Installing LED tube lights is a great way to save money on electricity and get potentially hazardous fluorescent lights out of your home or office. However, most LED tube lights on the market today can not just be directly installed in an existing fluorescent fixture. You will have to make some simple modifications to the fixture to properly install the bulbs. The good news is that installing an LED tube light in an existing fluorescent fixture is relatively simple. In addition, you should be able to buy fixtures especially designed for LED tube lights in the near future, and they should actually be cheaper than the equivalent fluorescent fixtures. This article will provide a brief overview explaining what you need to know in order to install the new energy-saving fluorescent tube lights in an existing fluorescent lighting fixture.
Fluorescent fixtures are designed to support a specific types and size of fluorescent tube. A fluorescent tube is incorporated into a fluorescent lighting system which consists of two or three main components:
(1) the fluorescent lamp (fluorescent bulb or tube),
(2) the ballast, and
(3) the starter system.
In addition, the system for a tube lamp includes a lamp holder and a switch. Depending on the particular fluorescent lighting system, the starter may be a replaceable component, a starter may not be required, or the starter function may be integrated into the ballast. The starting function may also rely on the physical design of the fixture. To retrofit a fluorescent light fixture to support an LED tube light, the ballast (and the starter if a separate one is present) must be disconnected.
Make sure that the LED replacement tube lights are the correct size for the fixture. Also, always remember that when servicing a fluorescent fixture or lamp for any reason, electrical power to the entire fixture should be disconnected. This is not always practical in situations where a large number of fixtures are controlled from the same power control (such as in open office areas). In these cases, insulating gloves and a nonmetallic ladder should be used if the fixtures must be serviced when power is present.
You will need a few simple tools, including a wire cutter and wire stripper (often incorporated into the same tool), a pair of pliers, a screwdriver, and a few wire nuts for reconnecting the wires once you have removed the ballast.
Once the old bulbs are removed from the lamp holders and the electricity to the fixture is turned off, you will probably have to remove the reflector that is located behind the bulbs and provides a housing for the wiring and ballast that lie behind it. Typically, it is fairly simple to remove the reflector or cover, but if it is not clear how to do this, you should consult the documentation from the fixture manufacturer.
If the fixture has an electronic ballast, you only need to remove that and then wire the power directly to the lamp holders, completing one circuit for each bulb. This is fairly simple, and typically you can use the existing wire in the fixture and then just add some wire nuts. If you have an older fixture with a magnetic ballast and starter, you will have to remove or open the starter and remove or short the magnetic ballast.
Depending on how much wire you have to work with, it is a good idea to leave long enough wires leading out of the ballast to be able to reconnect the ballast with wire nuts, if you should ever want to convert the fixture back to use for fluorescent bulbs or want to use the ballast somewhere else. Typically, the ballast will have two screws or bolts holding it in place in the fixture, and these can be removed using a screwdriver or pair of pliers, as appropriate. The ballast should be disposed of in accordance with local regulations as should the old fluorescent bulbs. Because the fluorescent bulbs contain a small amount of highly-toxic mercury, they should be treated as hazardous waste and disposed of accordingly.
Once the ballast (and starter, if one was present) have been removed and the wires reconnected to complete a circuit for each bulb, replace the reflector or cover over the wiring and the area where the ballast was located, and the LED tube lights can be inserted in the end sockets. Unlike fluorescent bulbs which do not have a top or bottom, an LED tube light will have an obvious top and bottom, with metallic heatsink located on the backside of the tube and the LEDs visible under a lens on the side that will be aimed towards the area to be illuminated. Place the cover back on the fixture (if there was one) and turn on the electricity. Turn on the switch and if you have done everything properly, you should have as good or better lighting using approximately half the electricity and lasting as long as 50,000 hours or more.
7/31/11
How To Install LED Downlights
Once you have decided that you wish to install Downlighters in your room it is important for you to decide several things:
This very much comes down to personal preference. Personally I prefer to fit more than is required, and then divide then up onto different switches. This will create different lighting effects. For example if you are putting the downlights into a kitchen you could have the downlights that are placed over the worktops on one switch and the other downlights that are illuminating the rest of the kitchen on another switch possibly a dimmer. This then means that you have good task lighting where needed and controllable mood lighting elsewhere.
However there are still some important factors to remember.
Without having any technical information about your particular room, use the following "Rule of Thumb". This best describes a kitchen, but can be adjusted for any room in your house.
Firstly make sure the Downlights that are going to be closest to your walls are no more than 600mm into the room. The reason for this is that 600mm is the standard measurement for the depth of your floor cupboards. This will mean that once the Downlights are fitted, no shadows will be created over the area that you are working.
You should now work out the position of the other lights by spacing them at intervals of between 900mm and 1200mm. From these figures you should now be able to calculate how many fitting will be in a row and how many rows you will need.
This has been a long standing debate with no particular winner. I hope the below information helps.
Low voltage (LV or 12v) downlights are wired to a transformer, which is then wired to the mains supply. Although the transformer wastes approximately 10% of the power through stepping down the voltage to 12v this is more than compensated by the improved performance of low voltage downlights.
Due to a thicker filament, the halogen 12v bulbs (size MR16) are more efficient than the halogen 230v (size GU10) equivalent. The thicker filament also means that the bulbs are more robust.
Another advantage of 12v is that low voltage bulbs use halogen gas, which provides a much whiter and brighter light with higher clarity than the more traditional mains voltage incandescent bulbs.
Mains voltage downlights are wired directly to the mains without the need for a transformer.
The mains voltage (230v) downlights are generally cheaper, and can be simpler to install, as there is no need to install a transformer.
As an electrician I would advise my customers to use 12v Downlights in Kitchens and bathrooms where you generally need more light, but can be reduced using low wattage bulbs or dimmer switches if needed. The use of 230v Downlights in other areas would then be perfectly acceptable.
Ceilings provide an important barrier that helps to prevent the spread of fire and noise between the floors of a building. Installing recessed downlights punctures this barrier and can reduce the effectiveness of this safety barrier.
Installing fire rated downlights helps to protect your premises from the effects of both fire and noise pollution and aids compliance with new building regulations governing the installation of downlights. Made from intumescent materials, fire rated downlights seal the gap between the ceiling and the fitting to offer up to 90 minutes protection against the spread of fire into the void spaces within your ceiling / loft space.
Fire rated downlights are more expensive than non-fire rated downlights. However, the worst decision you can make is to buy cheaper models that look exactly the same only to find out from the electrician fitting them, that building regulations require fire rated downlights for that situation. Then fire hoods will have to be bought and you would now find that you have spent more money in the long run.
Personally I feel it is best to always go for the safest lights on the market. Fires cost lives, surely that is worth a few pence more to fit fire rated downlights.
Having the right IP rated downlights is also a very important factor. Please see "What is IP Zoning" to see whether you will need an IP rated downlight. Water and electricity do not mix. Again IP rated downlights cost a fraction more but by paying a little extra you could save yourself from being electrocuted, or causing the contacts in the fitting to corrode. This could lead to a short circuit and possibly a fire.
Firstly you should read " Part P - What is it? " as this will answer whether or not you can legally carry out the work you wish to do. Some people will always have a go, no matter what their level of competence is.
Electricity is dangerous and could kill you. I will always suggest to get an electrician in to do the work required, but if you are determined to do some electrics yourself please remember to be safe at all times and follow some basic safe isolation procedures before proceeding:
This all depends on what you have in your tool box already! Please see the below list of what tools I have used in the past for fitting downlights. Some of them you might not need but can often prove useful.
Lighting circuits are usually on 6 amp circuit breakers often know as MCB’s (Miniature Circuit Breakers). To calculate how many Amps are loaded onto the lighting circuit a simple calculation is made. UK voltage is 230 volts, now assume that each light on the circuit is 100 watts, and you have got 12 lights on the circuit.
The calculation would be:
So taking the above information the calculation would be:
So now we can see that the above described lighting circuit is using 5.22 amps meaning that the circuit breaker of 6 amps is not being overloaded.
Now to confuse things a little but very helpful on lighting circuits when you are wishing to add more lights. On lighting circuits once you have worked out the amps you can now apply a thing called Diversity, which for lighting circuits is 66% of the total load. So to work out this calculation we can do the following sum:
So now we can see that we are able to add more lights to the circuit now that diversity has been applied to it.
Remember to carry out your calculations before you start any work!
Question
- 1. How many Downlights do I want? Or need?
- 2. Should the Downlights be 12v or 230v?
- 3. Do the Downlights need to be fire rated, acoustic rated or IP rated?
- 4. Can I do the work myself or should I get an electrician in?
- 5. What is the best process from start to finish for actually fitting the Downlights?
- 6. Do I need any special tools?
- 7. Can the existing lighting circuit support the extra light fittings?
Question: How many Downlights do I want? Or need?
Answer
This very much comes down to personal preference. Personally I prefer to fit more than is required, and then divide then up onto different switches. This will create different lighting effects. For example if you are putting the downlights into a kitchen you could have the downlights that are placed over the worktops on one switch and the other downlights that are illuminating the rest of the kitchen on another switch possibly a dimmer. This then means that you have good task lighting where needed and controllable mood lighting elsewhere.
However there are still some important factors to remember.
Without having any technical information about your particular room, use the following "Rule of Thumb". This best describes a kitchen, but can be adjusted for any room in your house.
Firstly make sure the Downlights that are going to be closest to your walls are no more than 600mm into the room. The reason for this is that 600mm is the standard measurement for the depth of your floor cupboards. This will mean that once the Downlights are fitted, no shadows will be created over the area that you are working.
You should now work out the position of the other lights by spacing them at intervals of between 900mm and 1200mm. From these figures you should now be able to calculate how many fitting will be in a row and how many rows you will need.
Question: Should the Downlights be 12v or 230v?
Answer
This has been a long standing debate with no particular winner. I hope the below information helps.
Low voltage (LV or 12v) downlights are wired to a transformer, which is then wired to the mains supply. Although the transformer wastes approximately 10% of the power through stepping down the voltage to 12v this is more than compensated by the improved performance of low voltage downlights.
Due to a thicker filament, the halogen 12v bulbs (size MR16) are more efficient than the halogen 230v (size GU10) equivalent. The thicker filament also means that the bulbs are more robust.
Another advantage of 12v is that low voltage bulbs use halogen gas, which provides a much whiter and brighter light with higher clarity than the more traditional mains voltage incandescent bulbs.
Mains voltage downlights are wired directly to the mains without the need for a transformer.
The mains voltage (230v) downlights are generally cheaper, and can be simpler to install, as there is no need to install a transformer.
As an electrician I would advise my customers to use 12v Downlights in Kitchens and bathrooms where you generally need more light, but can be reduced using low wattage bulbs or dimmer switches if needed. The use of 230v Downlights in other areas would then be perfectly acceptable.
Question: Do the Downlights need to be fire rated, acoustic rated or IP Rated?
Answer
Ceilings provide an important barrier that helps to prevent the spread of fire and noise between the floors of a building. Installing recessed downlights punctures this barrier and can reduce the effectiveness of this safety barrier.
Installing fire rated downlights helps to protect your premises from the effects of both fire and noise pollution and aids compliance with new building regulations governing the installation of downlights. Made from intumescent materials, fire rated downlights seal the gap between the ceiling and the fitting to offer up to 90 minutes protection against the spread of fire into the void spaces within your ceiling / loft space.
Fire rated downlights are more expensive than non-fire rated downlights. However, the worst decision you can make is to buy cheaper models that look exactly the same only to find out from the electrician fitting them, that building regulations require fire rated downlights for that situation. Then fire hoods will have to be bought and you would now find that you have spent more money in the long run.
Personally I feel it is best to always go for the safest lights on the market. Fires cost lives, surely that is worth a few pence more to fit fire rated downlights.
Having the right IP rated downlights is also a very important factor. Please see "What is IP Zoning" to see whether you will need an IP rated downlight. Water and electricity do not mix. Again IP rated downlights cost a fraction more but by paying a little extra you could save yourself from being electrocuted, or causing the contacts in the fitting to corrode. This could lead to a short circuit and possibly a fire.
Question: Can I do the work myself or should I get an electrician in?
Answer
Firstly you should read " Part P - What is it? " as this will answer whether or not you can legally carry out the work you wish to do. Some people will always have a go, no matter what their level of competence is.
Electricity is dangerous and could kill you. I will always suggest to get an electrician in to do the work required, but if you are determined to do some electrics yourself please remember to be safe at all times and follow some basic safe isolation procedures before proceeding:
- Locate / positively identify correct isolation point or device
- Check condition of voltage indication device
- Confirm that voltage indication device is functioning correctly
- Switch off installation / circuit to be isolated
- Verify with voltage indicating device that no voltage is present
- Re-confirm that voltage indicating device functions correctly on known supply / proving unit
- Lock-off or otherwise secure device used to isolate installation / circuit
- Post warning notice(s)
Question: What is the best process from start to finish for actually fitting the Downlights?
Answer
- Decide where you wish to place your chosen downlights measuring out the ceiling and marking the central point of the light. Now drill a small pilot hole through the ceiling.
- Now you have marked out the positions of the downlights it is a good idea to check above the ceiling to ensure that there are no joists / wires / pipes in the way. You should be able to see a small pinprick of light coming through the ceiling where you drilled the pilot holes. If you are unable to view the ceiling from above it gets trickier. The best way is to determine which way the joists run and what the spacing of them are. You could then use an old wire coat hanger bent at a 900 angle to the width of the downlight. Insert the wire through the hole until the 900 bend is through. Now twist the wire a full 3600 and hopefully it will not bump into any obstructions.
- In the instructions or on the box of the downlights it will say what the cut-out for that downlight will be. For the best results I will generally use a hole saw (a type of drill bit) to the correct size of the downlight which can be purchased very cheaply from most DIY stores. Alternatively the use of a plasterboard saw (Pad Saw) can be used which eliminates the need for a drill and hole saw. For this method you will need to draw a circle on the ceiling to the correct size as a guide for when you start to saw.
- Hopefully now you have produced a clean cut hole in the ceiling, got the plaster out of your eyes and shaken yourself outside to stop you looking like Casper the ghost!
- Once the wiring has been pulled through the hole the downlight can be wired. To fit the downlight into the hole hold the two springs back against the sides of the downlighter and push up into the hole. The springs then lie flat on the top of the ceiling holding it in place
Question: Do I need any special tools?
Answer
This all depends on what you have in your tool box already! Please see the below list of what tools I have used in the past for fitting downlights. Some of them you might not need but can often prove useful.
- Chalk line
- Tape measure
- Pencil
- Pad saw
- Hand drill
- Hole saw (type of drill bit)
- Small drill bit for pilot hole
- Screw drivers
Question: Can the existing lighting circuit support the extra light fittings?
Answer
Lighting circuits are usually on 6 amp circuit breakers often know as MCB’s (Miniature Circuit Breakers). To calculate how many Amps are loaded onto the lighting circuit a simple calculation is made. UK voltage is 230 volts, now assume that each light on the circuit is 100 watts, and you have got 12 lights on the circuit.
The calculation would be:
Total Watts ÷ Voltage = Amps
So taking the above information the calculation would be:
1200 watts ÷ 230 volts = 5.22 amps
So now we can see that the above described lighting circuit is using 5.22 amps meaning that the circuit breaker of 6 amps is not being overloaded.
Now to confuse things a little but very helpful on lighting circuits when you are wishing to add more lights. On lighting circuits once you have worked out the amps you can now apply a thing called Diversity, which for lighting circuits is 66% of the total load. So to work out this calculation we can do the following sum:
5.22amps ÷ 100 × 66 = 3.45 amps
So now we can see that we are able to add more lights to the circuit now that diversity has been applied to it.
Remember to carry out your calculations before you start any work!
7/30/11
LED Technology
LEDs are light emitting opto-electronic semiconductor components. Since decades, they are used in the field of man-machine communication to convert electrical signals into visual information.
Typical LED applications encompass household appliances, telecommunications, life sciences and signal technologies. Moreover, due to its low power consumption and excellent operational reliability LED technology partly replaces conventional lighting solutions already today.
The development of LED technology progresses at rapid pace, as light efficiency (Lumen/Watt) increases, colour qualities improve and temperature ranges get manageable. Consequentially, new territories of applications will open up, especially in the field of standard lighting.
Based on their structure, LEDs can be split into quattuor groups:
Typical LED applications encompass household appliances, telecommunications, life sciences and signal technologies. Moreover, due to its low power consumption and excellent operational reliability LED technology partly replaces conventional lighting solutions already today.
The development of LED technology progresses at rapid pace, as light efficiency (Lumen/Watt) increases, colour qualities improve and temperature ranges get manageable. Consequentially, new territories of applications will open up, especially in the field of standard lighting.
Based on their structure, LEDs can be split into quattuor groups:
Locating Lights, Transforwers,Materials And Dccessories Required
Show Typical Switched Wiring Circuits For A Lighting Installation
Whichever type of fitting you intend to use, draw a scale floor plan of the room, clearly mark where items are and where you wish relevant lights to be. When you have completed your plan, mark the ceiling / wall with the centre position of the fitting, making sure you mark the position of cutouts, before cutting or drilling, ensuring there are no obstructions, cable or pipes behind. Fitting lights on the ground floor may require you to have access to the floor above so ensure floorboards can be accessed.
If installing recessed down lights ensure there is enough clearance in the ceiling void, you will find minimum distances stated in the supplied instructions. Ensure the integrity of any fire barrier is maintained especially where there is a dwelling above the site of the fitting(s).
FIG. 6 show typical switched wiring circuits for a lighting installation.
alternatively you can use the existing 230V supply from the loop-in terminals of a ceiling rose supplying existing 230V lighting. Always read the light fittings instructions before attempting any work and if in doubt, consult a qualified electrician. Lighting circuits are usually controlled from a 5amp fuse at the main board and most new installations require this to be protected by an RCD operating at 30mA. In a two-storey house there are usually two lighting circuits, one for each floor.
Using the above information, you should now be able to calculate the amount of cable and where any switches should go. NOTE: always allow extra cable as it is easier to trim back than to add. This will also give you some flexibility if you have to adjust the positioning of a fitting.
Fitting Lights And Electrical Connections
Installing a light fitting is straightforward but at this stage don't fit lamps into their housings. Once all the cabling is in place you can then fix any brackets using suitable fixings ( taking care not to drill or screw through any cables ). Ensure all terminations are secure and comply with the Wiring Regulations that your light fitting complies with BS EN 60598, the British Standard for light fittings.
NOTE: Fittings classed as Double Insulated ( Class II ) or SELV ( Class III ) do not require an earth and fitting instructions should be followed. TIP: When using multiple lamp fittings, or when low voltage fittings are supplied via a transformer, a bulb / lamp reaches the end of its life; it is good practice, to replace as soon as possible. Failure to do so may cause 'overvolting' of the other bulbs / lamps and could reduce their lifespan by up to 50%. Always ensure that the bulbs / lamps are sufficiently cool before replacing.
Detection Of Motion
with the European Standard for luminaries (BS EN 60598) and carry a CE mark. Depending on where the light fitting is to be sited will determine the degree of protection the product will need against ingress of moisture. This is known as an IP rating i.e. IP44. Simply put, the first number of an IP rating (0-6) is the degree of protection against debris, dust and even 'little fingers' getting in. The second number (0-8) is its resistance to moisture. IP68 is the highest degree of protection offered against dust, solid objects & moisture.
Outdoor Light Of Materials And Dccessories Required
Outdoor light fittings will require some maintenance, so choose one made from a material suitable for the local environmental conditions i.e. if you live near to the sea, select a plastic or marine grade stainless steel product that will require minimal cleaning and is not prone to corrosion. Always check manufacturer's zcare instructions.
Having decided, what, where, how you wish to light and how many different moods you want to create, make a plan of your garden, identifying lengths, quantities of materials and accessories required. These may include switches, P.I.R. sensors, conduit, armoured cable (above 50V), an RCD, fixings, weatherproof junctions boxes, cable joints, glands etc.
NOTE: Outdoor Fittings operating under 50V can use conduit to protect the cable. Fittings operating above 50V must use armoured cable and be protected by a RCD, with a residual operating current not exceeding 30mA.
Once you have selected your fittings and accessories, using your plan, physically mark out the areas in your garden where the lighting is to be sited and the cable is to be run. Prepare the ground for the cables by digging channels - for cables operating at above 50V or where the ground is likely to be disturbed, the trench must be at least 500mm deep.
The cable route should be marked with yellow and black tape. It should be just 150mm below the surface, above buried cable; this is to warn persons excavating the ground in the future that a cable is present. It is also a good idea to keep a garden plan showing all cable routes and depths for future reference.
NOTE: When laying cable, always leave an extra length for any last minute adjustments; it is easier to reduce the length than it is to add. Don't back fill until you have completed, tested and are happy with the positioning of the system.
When installing recessed ground lighting in a drive or pathway, you should provide suitable drainage; bedding the base of the fitting onto gravel can easily do this.
Once all the cabling is in place and you are happy with the location of the fittings, make sure the securing method is suitable for the size and weight of the fitting, the surface to which it is to be fixed and its exposure to the elements. When all this is done, connect the supply cable, re-check all connections and fit bulbs / lights. Only when you are happy with the installation and it has been checked, can an 'Authorised Competent Person' connect the mains power supply. Switch on and test. Back fill any trenches and make good.
Even the best garden lighting designers don't always get it right first time. If this happens to you, it may just be a case of a little adjustment or even some trial and error but it's worth persevering. You can easily add a new circuit or more lights if necessary.
NOTE: Always keep your garden lighting plans for future reference.
All outdoor electrical work must conform to BS 7671 the current IEE wiring regulations, and Part P of Building Regulations, you are advised to check with your local authorities Building Control Department, or an Authorised Competent Person, before starting. If in any doubt about electrical work, contact a qualified person.
COB LED Light Tube T8
- COB LED Light Tube T8 9W 14W 19W 24W
- Up to 80% energy savings.
- Fits conventional fluorescent light fixture.
- Super high efficiency lumen output.
- High-efficient power design (Constant current).
- Simple repair and maintenance with (Chip on board ) LEDs modular design.
- Absolutely no flicker for eye protection
- UV or IR free for skin & eye benefit.
- Lower burden on air-conditioner.
- Instant lighting-on with no flickering.
- Excellent durability and stanbility at high temperature.
COB LED Light Tube T8 9w / 14w / 19w / 24w | ||||
|---|---|---|---|---|
| Item | COB LED Tube T8 9w | COB LED Tube T8 14w | COB LED Tube T8 19w | COB LED Tube T8 24w |
| Style No# | AL-T8-9W | AL-T8-14W | AL-T8-19W | AL-T8-24W |
| Lamp holder / Base | G 13 | |||
| Wattage | 9 w | 14 w | 19 w | 24 w |
| Luminous flux | Cool white : 550 - 650 Lm | Cool white : 850 - 950 Lm | Cool white : 1200 - 1300 Lm | Cool white : 1500 - 1600 Lm |
| Warm white : 450 - 550 Lm | Warm white : 750 - 850 Lm | Warm white : 1100 - 1200 Lm | Warm white : 1400 - 1500 Lm | |
| Qtp of LED | 135 | 210 | 285 | 360 |
| Color temperature | Cool white : 6000 K ± 300 K Warm White : 3000 K ± 300 K | |||
| Color rendering index Ra | ≥ 75 Ra | |||
| Casing material | PC + Airlines Die - Cast aluminum | |||
| Power Factor | ≥ 90% | |||
| Light color | Warm white / Cool white | |||
| Nominal voltage(product) | Ac85 - 265V | |||
| Operating frequency | 50 - 60 Hz | |||
| Dimensions: L × Diameter : Φ | L: 588 mm Φ : 26 mm | L: 894 mm Φ : 26 mm | L: 1198 mm Φ : 26 mm | L: 1498 mm Φ : 26 mm |
 | ||||
| Lifespan | 30,000 - 50,000 H | |||
| Packging unit | 25pc | |||
| Dimensions in H × W × L | 220 mm × 210 mm × 650 mm | 220 mm × 210 mm × 950 mm | 220 mm × 210 mm × 1250 mm | 220 mm × 210 mm × 1520 mm |
| Gross weight | 7.25 kg | 9.65 kg | 12.6 kg | 15.25 kg |
| Volume : L X W X H | 30.030 Cubic dec | 43.890 Cubic dec | 57.750 Cubic dec | 70.224 Cubic dec |
Application:
Suitable for the offices, schools, basement parkings, restaurants, hotels, hypermarkets and many other places because the COB LED Tube Lamps do not contain poisonous and help with cost-saving and carbon reduction programmes. Available in various lengths and color temperatures, the Welland LED tube lamps come in various lengths and are designed to replace conventional fluorescent tube lamps. The tube lamps are manufactured with reliable plastic tube and high quality (Chip on board ) LEDs module, so are extremely safe and durable.
Attention:
- Please cut off the main power supply before installation.
- The starter, ballast, electrical switch are not required for LED tube.
- To remove the electric switch and reconstruct the circuit by professional electrician is suggested.
- This COB LED tube is not Dimmable - Do not connect with the Dimmer.
- Do not use for Emergency Fittings.
Suitable for the offices, schools, basement parkings, restaurants, hotels, hypermarkets and many other places because the COB LED Tube Lamps do not contain poisonous and help with cost-saving and carbon reduction programmes. Available in various lengths and color temperatures, the Welland LED tube lamps come in various lengths and are designed to replace conventional fluorescent tube lamps. The tube lamps are manufactured with reliable plastic tube and high quality (Chip on board ) LEDs module, so are extremely safe and durable.
Attention:
- Please cut off the main power supply before installation.
- The starter, ballast, electrical switch are not required for LED tube.
- To remove the electric switch and reconstruct the circuit by professional electrician is suggested.
- This COB LED tube is not Dimmable - Do not connect with the Dimmer.
- Do not use for Emergency Fittings.
COB LED Light Tube T5
- COB LED Light Tube T5 8W 13W 18W
- Up to 80% energy savings.
- Fits conventional fluorescent light fixture.
- Super high efficiency lumen output.
- High-efficient power design (Constant current).
- Simple repair and maintenance with (Chip on board ) LEDs modular design.
- Absolutely no flicker for eye protection
- UV or IR free for skin & eye benefit.
- Lower burden on air-conditioner.
- Instant lighting-on with no flickering.
- Excellent durability and stanbility at high temperature
COB LED Light Tube T5 ( 8w / 13w / 18w ) | |||
|---|---|---|---|
| Item | COB LED Tube T5 8W | COB LED Tube T5 13W | COB LED Tube T5 18W |
| Sype No# | AL-T5-8W | AL-T5-13W | AL-T5-18W |
| Lamp holder / Base | G 5 | ||
| Wattage | 8 w | 13 w | 18 w |
| Luminous flux | Cool white : 450 - 550 Lm | Cool white : 800 - 900 Lm | Cool white : 1100 - 1200 Lm |
| Warm white : 350 - 450 Lm | Warm white : 700 - 800 Lm | Warm white : 1000 - 1100 Lm | |
| Color temperature | Cool white : 6000 K ± 300 K Warm White : 3000 K ± 300 K | ||
| Color rendering index Ra | ≥ 75 Ra | ||
| Casing material | PC + Airlines Die - Cast aluminum | ||
| Power Factor | ≥ 90% | ||
| Light color | Warm white / Cool white | ||
| Nominal voltage(product) | Ac85 - 265V | ||
| Operating frequency | 50 - 60 Hz | ||
| Dimensions: L × W × H Diameter : Φ | L: 570 mm W : 23 mm H : 36 mm Φ : 16 mm | L: 870 mm W : 23 mm H : 36 mm Φ : 16 mm | L: 1170 mm W : 23 mm H : 36 mm Φ : 16 mm |
 | |||
| Lifespan | 30,000 - 50,000 H | ||
| Packging unit | Contains 25 Piece | Contains 25 Piece | Contains 25 Piece |
| Dimensions in H × W × L | 220 mm × 210mm × 650mm | 220 mm × 210mm × 950mm | 220 mm × 210mm × 1250mm |
| Gross weight | 5.75 kg | 8.65 kg | 11.5 kg |
| Volume | 30.030 Cubic dec | 43.890 Cubic dec | 57.750 Cubic dec |
Application:
Suitable for the offices, schools, basement parkings, restaurants, hotels, hypermarkets and many other places because the COB LED Tube Lamps do not contain poisonous and help with cost-saving and carbon reduction programmes. Available in various lengths and color temperatures, the Welland LED tube lamps come in various lengths and are designed to replace conventional fluorescent tube lamps. The tube lamps are manufactured with reliable plastic tube and high quality (Chip on board ) LEDs module, so are extremely safe and durable.
Attention:
- Please cut off the main power supply before installation.
- The starter, ballast, electrical switch are not required for LED tube.
- To remove the electric switch and reconstruct the circuit by professional electrician is suggested.
- This COB LED tube is not Dimmable - Do not connect with the Dimmer.
- Do not use for Emergency Fittings.
Suitable for the offices, schools, basement parkings, restaurants, hotels, hypermarkets and many other places because the COB LED Tube Lamps do not contain poisonous and help with cost-saving and carbon reduction programmes. Available in various lengths and color temperatures, the Welland LED tube lamps come in various lengths and are designed to replace conventional fluorescent tube lamps. The tube lamps are manufactured with reliable plastic tube and high quality (Chip on board ) LEDs module, so are extremely safe and durable.
Attention:
- Please cut off the main power supply before installation.
- The starter, ballast, electrical switch are not required for LED tube.
- To remove the electric switch and reconstruct the circuit by professional electrician is suggested.
- This COB LED tube is not Dimmable - Do not connect with the Dimmer.
- Do not use for Emergency Fittings.
LED Light Tube Manufacturers COB Technology - Features & benefits
- LED chip is fixed on aluminium layer of aluminium base PCB. The heat from chip can be spread out through aluminium layer rapidly.
- Equable and soft irradiancy , No glaring and eye protection.
- Good reliability, No dead bulb and No motting
- LED fill lighting module can be combined into different LED lights easyly
- Iow lighting decay, decay less than 1% after 2000 hours
- LED Light Tube: A highly efficient, long lasting, environmentally friendly, and inherently digital source of illumination - reinventing light itself as a highly controllable medium.
LED Light Tube : COB Technology Provides The Greatest Benefits For Producing Homogeneous Light Effects And High Luminous Densities.
LED Light Tube Using A Surface Light Emitting ( Chip On Board ) COB LEDs
COB LED Light Tube T5
- Lamp holder: G5
- Wattage:8w 13w 18w
- Luminous flux:450 - 1100 lm
- Color temperature:3000 - 6000 K
- Power factor : ≥ 90%
- Color rendering index Ra : ≥ 75 Ra
COB LED Light Tube T8
- Lamp holder : G 13
- Wattage : 9w 14w 19w 24w
- Luminous flux : 550 - 1500 lm
- Color temperature : 3000 - 6000 K
- Power factor : ≥ 90%
- Color rendering index Ra : ≥ 75 Ra
COB LED Light Tube T10
- Lamp holder: G 13
- Wattage:9w 14w 19w 24w
- Luminous flux:650 - 1600 lm
- Color temperature:3000 - 6000 K
- Power factor : ≥ 90%
- Color rendering index Ra : ≥ 75 Ra
7/29/11
LED Light Guide Formulas
Demand for Power (kW) =System Input Wattage (W) ÷ 1,000
Energy Consumption (kWh) = System Input Wattage (kW) x Hours of Operation/Year
Hours of Operation/Year = Operating Hours/Day x Operating Days/Week x Operating Weeks/Year
Lighting System Efficacy (Lumens per Watt or LPW) = System Lumen Output ÷ Input Wattage
Unit Power Density (W/sq.ft.) = Total System Input Wattage (W) ÷ Total Area (Square Feet)
Watts (W) = Volts (V) x Current in Amperes (A) x Power Factor (PF)
Voltage (V) = Current in Amperes (A) x Impedance (Ohms) [Ohm's Law]
ECONOMIC FORMULAS
Simple Payback on an Investment (Years) = Net Installation Cost ($) ÷ Annual Energy Savings ($)
5-Year Cash Flow ($) = 5 Years - Payback (Years) x Annual Energy Savings ($)
Simple Return on Investment (%) = [Annual Energy Savings ($) ÷ Net Installation Cost ($)] x 100
DESIGN FORMULAS
Footcandles & Lumens
Footcandles (fc) = Total Lumens (lm) ÷ Area in Square Feet
1 Lux (lx) = 1 Footcandle (fc) x 10.76
Lux = Total Lumens ÷ Area in Square Meters
Calculating Light Level at a Point
For planes perpendicular to the direction of candlepower (Inverse Square Law):
Footcandles (fc) = I ÷ D2
Many workplanes are not perpendicular to the direction of light intensity, which is why calculating light level at a point is useful for such applications. In these cases, we often must determine light levels on workplanes that are not horizontal and perpendicular but tilted or even vertical. For tilted-horizontal or vertical planes:
Horizontal Footcandles (fch) = (I ÷ D2) x H
Vertical Footcandles (fcv) = (I ÷ D2) x L
Calculating Average Light Level Throughout a Space (three formulas)
Required Light Output/Fixture (Lumens) = (Maintained Illumination in Footcandles x Area in Square Feet) ÷ (Number of Fixtures x Coefficient of Utilization x Ballast Factor x Light Loss Factor)
Light Loss Factors (more on Light Loss)
Light Loss Factor (LLF) = Ballast Factor x Fixture Ambient Temperature Factor x Supply Voltage Variation Factor x Lamp Position Factor x Optical Factor x Fixture Surface Depreciation Factor x Lamp Burnouts Factor x Lamp Lumen Depreciation Factor x Fixture Dirt Depreciation Factor x Room Surface Dirt Depreciation Factor
Lamp Burnout Factor = 1 - Percentage of Lamps Allowed to Fail Without Being Replaced
Zonal Cavity Method (determining cavity ratios)
Calculating Number of Lamps And Fixtures And Spacing
Required No. of Fixtures = (Lumens/Lamp x No. of Lamps x Coefficient of Utilization x Light Loss Factor x Area in Square Feet) ÷ (Lumens/Lamp x Lamps/Fixture x Coefficient of Utilization x Light Loss Factor)
Required Lamps = Required Lumens ÷ Initial Lumens/Lamp
Maximum Allowable Spacing Between Fixtures= Fixture Spacing Criteria x Mounting Height
Spacing Between Fixtures = Square Root of (Area in Square Feet ÷ Required No. of Fixtures)
Number of Fixtures to be Placed in Each Row (Nrow) = Room Length ÷ Spacing
Number of Fixtures to be Placed in Each Column (Ncolumn) = Room Width ÷ Spacing
Spacingrow = Room Length ÷ (Number of Fixtures/Row - 1/3)
Spacingcolumn = Room Width ÷ (Number of Fixtures/Column -1/3)
If the resulting number of fixtures does not equal the originally calculated number, calculate impact on the designed light level:
% Design Light Level = Actual No. of Fixtures ÷ Originally Calculated No. of Fixtures
To calculate fixtures mounted in continuous rows:
Number of Luminaires in a Continuous Row = (Room Length ÷ Fixture Length) - 1
Number of Continuous Rows = Total Number of Fixtures ÷ Fixtures Per Row
MAINTENANCE
Lamp Life
Calendar Lamp Life (Years) = Rated Lamp Life (Hours) ÷ Annual Hours of Operation (Hours/Year)
Lamp Burnout Factor
Lamp Burnout Factor = 1 - Percentage of Lamps Allowed to Fail Without Being Replaced
Group Relamping Cost
Annualized Cost ($) = A x (B + C)
A = Operating Hours/Year ÷ Operating Hours Between Relampings
B = (Percentage of Lamps Failing Before Group Relamping x Number of Lamps) x (Lamp Cost + Labor Cost to Spot Replace 1 Lamp)
C = (Lamp Cost, Group Relamping + Labor Cost to Group Relamp 1 Lamp) x Number of Lamps
Spot Relamping Cost
Average Annual Cost ($) = (Operating Hours/Year ÷ Rated Lamp Life) x (Lamp Cost + Labor Cost to Replace 1 Lamp) x Total Number of Lamps
Cleaning Cost
Cleaning Cost ($) = Time to Wash 1 Fixture (Hours) x Hourly Labor Rate ($) x Number of Fixtures in Lighted Space
ENVIRONMENTAL IMPACT
Average Reduced Air Pollution (lbs. Carbon Dioxide) = Energy Savings (kWh) x 1.6 lbs.
Average Reduced Air Pollution (g. Sulphur Dioxide) = Energy Savings (kWh) x 5.3 g.
Average Reduced Air Pollution (g. Nitrogen Oxides) = Energy Savings (kWh) x 2.8 g.
Pounds = Grams ÷ 454
Tons = Pounds ÷ 2,000
Energy Consumption (kWh) = System Input Wattage (kW) x Hours of Operation/Year
Hours of Operation/Year = Operating Hours/Day x Operating Days/Week x Operating Weeks/Year
Lighting System Efficacy (Lumens per Watt or LPW) = System Lumen Output ÷ Input Wattage
Unit Power Density (W/sq.ft.) = Total System Input Wattage (W) ÷ Total Area (Square Feet)
Watts (W) = Volts (V) x Current in Amperes (A) x Power Factor (PF)
Voltage (V) = Current in Amperes (A) x Impedance (Ohms) [Ohm's Law]
ECONOMIC FORMULAS
Simple Payback on an Investment (Years) = Net Installation Cost ($) ÷ Annual Energy Savings ($)
5-Year Cash Flow ($) = 5 Years - Payback (Years) x Annual Energy Savings ($)
Simple Return on Investment (%) = [Annual Energy Savings ($) ÷ Net Installation Cost ($)] x 100
DESIGN FORMULAS
Footcandles & Lumens
Footcandles (fc) = Total Lumens (lm) ÷ Area in Square Feet
1 Lux (lx) = 1 Footcandle (fc) x 10.76
Lux = Total Lumens ÷ Area in Square Meters
Calculating Light Level at a Point
For planes perpendicular to the direction of candlepower (Inverse Square Law):
Footcandles (fc) = I ÷ D2
I = Candlepower in candelas (cd) D = Direct distance between the lamp and the point where light level is calculated
Many workplanes are not perpendicular to the direction of light intensity, which is why calculating light level at a point is useful for such applications. In these cases, we often must determine light levels on workplanes that are not horizontal and perpendicular but tilted or even vertical. For tilted-horizontal or vertical planes:
Horizontal Footcandles (fch) = (I ÷ D2) x H
Vertical Footcandles (fcv) = (I ÷ D2) x L
I = Candlepower in candelas (cd) D = Direct distance between the lamp and the point where light level is calculated
H = Distance between the lamp and the point direct below on the workplane
L = Distance between that point and the point where light level is being calculated
D = Square Root of (H2 + L2) or D2 = H2 + L2
Calculating Average Light Level Throughout a Space (three formulas)
Average Maintained Illumination (Footcandles) = (Lamps/Fixture x Lumens/Lamp x No. of Fixtures x Coefficient of Utilization x Light Loss Factor) ÷ Area in Square Feet Average Maintained Illumination (Footcandles) = (Total Lamps x Lumens/Lamp x Coefficient of Utilization x Light Loss Factor) ÷ Area in Square FeetLumen Method
Average Maintained Illumination (Footcandles) = (Lamps in One Fixture x Lumens/Lamp x Coefficient of Utilization x Light Loss Factor) ÷ Area in Square Feet/Fixture
Required Light Output/Fixture (Lumens) = (Maintained Illumination in Footcandles x Area in Square Feet) ÷ (Number of Fixtures x Coefficient of Utilization x Ballast Factor x Light Loss Factor)
Light Loss Factors (more on Light Loss)
Light Loss Factor (LLF) = Ballast Factor x Fixture Ambient Temperature Factor x Supply Voltage Variation Factor x Lamp Position Factor x Optical Factor x Fixture Surface Depreciation Factor x Lamp Burnouts Factor x Lamp Lumen Depreciation Factor x Fixture Dirt Depreciation Factor x Room Surface Dirt Depreciation Factor
Lamp Burnout Factor = 1 - Percentage of Lamps Allowed to Fail Without Being Replaced
Zonal Cavity Method (determining cavity ratios)
Room Cavity Ratio (for regular rooms shaped like a square or rectangle) = [5 x Room Cavity Depth x (Room Length + Room Width)] ÷ (Room Length x Room Width) Room Cavity Ratio (for irregular-shaped rooms) = (2.5 x Room Cavity Depth x Perimeter) ÷ Area in Square FeetRoom surface reflectances can be predicted in a new design or measured in an existing facility. If existing facility:
Ceiling Cavity Ratio = [5 x Ceiling Cavity Depth x (Room Length x Room Width)] ÷ (Room Length x Room Width)
Floor Cavity Ratio = [5 x Floor Cavity Depth x (Room Length x Room Width)] ÷ Room Length x Room Width
Room Surface Reflectance (%) = Reflected Reading ÷ Incident Reading Reflected Reading = Measurement from a light meter holding it about 1.5 feet away from the surface with the sensor parallel and facing the surface.
Incident Reading = Measurement from a light meter held flat against the surface and facing out into the room.
Calculating Number of Lamps And Fixtures And Spacing
Required No. of Fixtures = (Lumens/Lamp x No. of Lamps x Coefficient of Utilization x Light Loss Factor x Area in Square Feet) ÷ (Lumens/Lamp x Lamps/Fixture x Coefficient of Utilization x Light Loss Factor)
Required Lamps = Required Lumens ÷ Initial Lumens/Lamp
Maximum Allowable Spacing Between Fixtures= Fixture Spacing Criteria x Mounting Height
Fixture Spacing Criteria: See the manufacturer's literature Mounting height: Distance in feet between the bottom of the fixture and the workplane
Spacing Between Fixtures = Square Root of (Area in Square Feet ÷ Required No. of Fixtures)
Number of Fixtures to be Placed in Each Row (Nrow) = Room Length ÷ Spacing
Number of Fixtures to be Placed in Each Column (Ncolumn) = Room Width ÷ Spacing
For the above two formulas, round results to the nearest whole integer.
Spacingrow = Room Length ÷ (Number of Fixtures/Row - 1/3)
Spacingcolumn = Room Width ÷ (Number of Fixtures/Column -1/3)
If the resulting number of fixtures does not equal the originally calculated number, calculate impact on the designed light level:
% Design Light Level = Actual No. of Fixtures ÷ Originally Calculated No. of Fixtures
To calculate fixtures mounted in continuous rows:
Number of Luminaires in a Continuous Row = (Room Length ÷ Fixture Length) - 1
Number of Continuous Rows = Total Number of Fixtures ÷ Fixtures Per Row
MAINTENANCE
Lamp Life
Calendar Lamp Life (Years) = Rated Lamp Life (Hours) ÷ Annual Hours of Operation (Hours/Year)
Lamp Burnout Factor
Lamp Burnout Factor = 1 - Percentage of Lamps Allowed to Fail Without Being Replaced
Group Relamping Cost
Annualized Cost ($) = A x (B + C)
A = Operating Hours/Year ÷ Operating Hours Between Relampings
B = (Percentage of Lamps Failing Before Group Relamping x Number of Lamps) x (Lamp Cost + Labor Cost to Spot Replace 1 Lamp)
C = (Lamp Cost, Group Relamping + Labor Cost to Group Relamp 1 Lamp) x Number of Lamps
Spot Relamping Cost
Average Annual Cost ($) = (Operating Hours/Year ÷ Rated Lamp Life) x (Lamp Cost + Labor Cost to Replace 1 Lamp) x Total Number of Lamps
Cleaning Cost
Cleaning Cost ($) = Time to Wash 1 Fixture (Hours) x Hourly Labor Rate ($) x Number of Fixtures in Lighted Space
ENVIRONMENTAL IMPACT
Average Reduced Air Pollution (lbs. Carbon Dioxide) = Energy Savings (kWh) x 1.6 lbs.
Average Reduced Air Pollution (g. Sulphur Dioxide) = Energy Savings (kWh) x 5.3 g.
Average Reduced Air Pollution (g. Nitrogen Oxides) = Energy Savings (kWh) x 2.8 g.
Pounds = Grams ÷ 454
Tons = Pounds ÷ 2,000
Dimmable LED Light Bulb PY
- The "Dimmable LED Light Bulb PY" generates bright light measured at 600.8 lumens, while emitting no UV radiation (unlike CFLs) and virtually no heat (unlike both CFLs and incandescent bulbs).
- The "Dimmable LED Light Bulb PY" emits warm white light, corresponding to the Correlated Color Temperature (CCT) of 2,200 - 3,000K.
- Color Rendering Index (CRI) is the ability of a light bulb to show the colors of objects accurately on a scale of 1-100. The "Dimmable LED Light Bulb PY" CRI is >87.
- Unlike most CFLs that flicker and generate only partial light output for several seconds after being turned on, The "Dimmable LED Light Bulb PY" turns on instantly.
The perfect energy-efficient, eco-friendly and safe replacement Dimmable LED Light Bulb for indoor task and accent lighting.
Dimmable LED Light Bulb PY 8W | |
|---|---|
| Item | Dimmable LED Light Bulb PY 8W |
| Style No# | AL-CPY-8W |
| Base(standard designation) | E27 / E26 |
| Wattage | 8w |
| Luminous efficacy | Cool white : > 72.39 Lm/w |
| Luminous flux | Cool white : > 600.8 Lm |
| Color temperature | Cool white : 2,200 K - 3,000 K |
| Color rendering index Ra | > 87 Ra |
| Casing material | PC + Airlines Die - Cast aluminum |
| Light color | Cool white |
| Nominal voltage(product) | Ac90 - 265V |
| Operating frequency | 50 - 60 Hz |
| Dimensions: L × Φ | L: 107 mm × Φ: 70 mm |
| Lifespan | 3,5000 H |
| Packging unit | Contains 100 Piece |
| Dimensions in H × W × L | 335mm × 335mm × 500mm |
| Gross weight | 12.5 Kg |
| Volume | 56.1125 Cubic dec |
Dimmable LED Bulb Manufacturers COB Technology - Features & benefits
- Smooth dimming 10% - 100%
- Warm, pleasant white light.
- Energy-efficient and eco-friendly.
- Lasts 25 times longer than incandescent bulbs
- Contains no mercury or lead.
- Emits no harmful UV radiation.
- Generates virtually no heat
- Turns on instantly, without flickering.
The perfect energy-efficient, eco-friendly and safe replacement LED light bulb for indoor task and accent lighting.
Description Safety Savings Light Quality Specifications The Dimmable led Light bulb casts warm white light, bright enough to be used for replacement of up to 80W compact fluorescent and incandescent light bulbs in directional lighting applications, such as task lights or accent lights to compliment ambient illumination.
Dimmable Bulb LED Light Using A Surface Light Emitting ( Chip On Board ) COB LEDs
Smooth Dimming 10% - 100% COB LED Bulb
- Wattage : 8 W
- Base: E26 / E27
- Luminous flux: 660.8 lm
- Color temperature: 2,200 - 3,000 K
- Dimmable Bulb LED Light : Using A Surface Light Emitting ( Chip On Board ) COB LEDs
7/28/11
How to install led light tube
Step 1. Unpack the product:
- Unpack and carefully examine the product from top to bottom.
- Report any damage and save all packing materials, if any part was damaged during transport.
- Do not attempt to use this product, if it is damaged.
Step 2. Planning the installation:
- This device installation requires planning to ensure
- successful installation with minimal complications and down time.
Step 3. User responsibilities:
- It is the responsibility of the contractor, installer, purchaser,
- owner, and user to install, maintain, and operate the device in such a manner as to comply with
- all state and local laws, ordinances, and regulations.
Step 4. Product installation steps:
- Disconnect power to fixture at source. DO NOT SIMPLY SWITCH OFF FIXTURE
- Remove existing fluorescent tubes and safely set aside.
- Disconnect (cut) wires to ballast leaving enough wire to be tied off with wire nuts.
- Tie-off remaining wires attached to ballast with wire nuts.
- See wiring diagram shown on reverse for your type lamp fixture (i.e., 1-bulb, 2-bulb, 4-bulb and etc.) and re-wire fixture.
- Install Aladdin LED Retrofit Tube(s) into fixture.
- Affix included warning labels to fixtures near lamp connection/sockets of fixture so they are visible to bulb installers.
- Re-connect power supply and turn on switch. Tube will light.
Risk of fire or electric shock. Install the LEDaladdin T8 T10 retrofit LED tube(s) only in luminaires that have the construction features and dimensions shown in the photographs and/or drawings shown on reverse of this sheet.
Caution:
- Please read and follow these instructions before installation.
- Install the tube by qualified electrician and technican.
- Consult the competent electrician if you have any uncertainty about the installation or the use of the product.
- Do not impact the tube and all its components by any external weight or mechanical force.
- Do not use harp tools near or on the surace of the tube.
- Hands must be dry during installation.
- Switch off the power before installation.
- Make sure the base is mounted on a stable. even and secure surface.
- Beware of electic shock when replacing tube.
- Use or store the tubes in dry places. if the tube are used for outdoor application. waterproof holders and covers are needed.
- Replace the tube immediately if you find any leakage or damage on the tube.
- Stop use and replace if the product becomes dim,out of order or begins to blink.
- Of failure occurs do not attempt to repair product.
- This is not a dimmable product . do not use with dimmers.
Warning
- NOTE: This user guide is intended to be used as a reference only. Installation should be done by a fully qualified
- electrician or technician. This document should never be considered as a substitute for any provision of a regulation or
- state and/or local code. Please read the entire user guide to fully understand and safely use this product.
(Chip-on-Board) MR16 COB LED Spotlight 3W
- Light Source: LED surface light source,COB (Chip-on-Board) design
- Body Material: Aluminum.
- Radiator Temp:< 50 degree.
- Radiator Caft : Die-casting aluminum case - toughened glass lens
- Environment-friendly and no UV or IR radiation.
- No dazzling and mild color with light bending effect.
- Long lifespan, low cost of maintenance.
- Transformer is at the COB LED Spotlight directly attached, including a terminal block for power line .
- Easy to install and maintain, and normal base type E can be matched.
- Easy to install and maintain, replacement of traditional bulbs and no subsidiary fixture.
COB LED Spotlight : Excellent durability and stanbility at high temperature.
( Chip-on-Board ) COB MR16 LED Spotlight 3W | |
|---|---|
| wattage | 3 w |
| Base type | mr16 |
| Base angle | 120 degree |
| Nominal voltage(product) | Ac110 - 260V |
| Operating frequency | 47 - 63 Hz |
| Lifespan | 30,000 H |
| Radiator temp : | < 50°C |
| Power factor : | > 0.9 |
| Casing material | 6063 aluminum cold forging |
| Style No# | AL-SPTV-MR16-3W |
| Luminous flux | ( 3,000 K ) 180 Lm ( 4,000 K ) 210Lm ( 6,400 K ) 240LM |
| Luminous efficacy | ( 3,000 K ) 60Lm/W ( 4,000 K ) 70Lm/W ( 6,400 K ) 80LM/W |
| Color temperature | Warm white : 3000 K Nature white : 4000 K Daylight white : 6400 K |
| Color rendering index Ra | (3,000K) > 80 Ra (4,000K) > 75 Ra (6,400K) > 75 Ra |
| Light color | Warm white Nature white Daylight white |
| Dimensions : Φ: × H: | Φ 50mm: × H: 61.9mm |
| Dimensions images: |  |
| Packging unit | Contains 100 Piece |
| Dimensions in H × W × L | 210mm × 280mm × 570mm |
| Gross weight | 11.8 Kg |
| Volume | 33.516 Cubic dec |
This discreet MR16 COB LED Spotlight with minimal design is the ideal solution for the lighting requirements of hotels, retail and fitness areas and spaces that require exact light from compact fittings that are easy to install and maintain.
Suitable for products range of hotel, bar, SPA, hardware store, lighting store, exhibition booth,supermarket, electronic store, show room, and internet shop.
COB LED Spotlight MR16 are used widely for general ambient lighting in:
Replacement bulbs for traditional halogen lamps, especially for museums, art galleries, cosmetic,where UV or IR radiation is undesirable.Suitable for products range of hotel, bar, SPA, hardware store, lighting store, exhibition booth,supermarket, electronic store, show room, and internet shop.
LED Spotlight Manufacturers (Chip On Board) COB LEDs Technology
- (Chip On Board) COB Technology provides the greatest benefits for producing homogeneous light effects and high luminous densities.
- No UV or IR in the spectrum.
- No Dazzling and mild color with light bending effect.
- Energy-saving, Environment friendly, and only 20% power consumption of halogen lamp and incandescent lamp.
- Aluminum-alloy lamp housing for superior heat dissipation.
- Particularly designed constant current driver for open or short circuit protection.
LED Spotlight using a surface light emitting Chip On Board (COB) LEDs .
COB LED Spotlight MR16 3W
- Nominal Wattage : 3 W
- Radiator Temp: < 50 °C
- Dimensions: L: 62 mm × Φ: 50 mm
- Luminous Flux : 180LM / 210LM / 240LM
- Color Temperature : 3000K / 4000K / 6400K
- LED Spotlight Using A Surface Light Emitting ( Chip On Board ) COB LEDs
COB MR16 LED Spotlight 3W
- Nominal Wattage : 3 W
- Radiator Temp: < 50 °C
- Dimensions: L: 60 mm × Φ: 50 mm
- Luminous Flux : 180LM / 210LM / 240LM
- Color Temperature : 3000K / 4000K / 6400K
- LED Spotlight Using A Surface Light Emitting ( Chip On Board ) COB LEDs
COB LED Spotlight GU10 3W
- Nominal Wattage : 3 W
- Radiator Temp: < 50 °C
- Dimensions: L: 70 mm × Φ: 50 mm
- Luminous Flux : 180LM / 210LM / 240LM
- Color Temperature : 3000K / 4000K / 6400K
- LED Spotlight Using A Surface Light Emitting ( Chip On Board ) COB LEDs
COB GU10 LED Spotlight 3W
- Nominal Wattage : 3 W
- Radiator Temp: < 50 °C
- Dimensions: L: 68 mm × Φ: 50 mm
- Luminous Flux : 180LM / 210LM / 240LM
- Color Temperature : 3000K / 4000K / 6400K
- LED Spotlight Using A Surface Light Emitting ( Chip On Board ) COB LEDs
COB E14 LED Spotlight 3W
- Nominal Wattage : 3 W
- Radiator Temp: < 50 °C
- Dimensions: L: 82 mm × Φ: 50 mm
- Luminous Flux : 180LM / 210LM / 240LM
- Color Temperature : 3000K / 4000K / 6400K
- LED Spotlight Using A Surface Light Emitting ( Chip On Board ) COB LEDs
COB LED Spotlight E14 3W
- Nominal Wattage : 3 W
- Radiator Temp: < 50 °C
- Dimensions: L: 86 mm × Φ: 50 mm
- Luminous Flux : 180LM / 210LM / 240LM
- Color Temperature : 3000K / 4000K / 6400K
- LED Spotlight Using A Surface Light Emitting ( Chip On Board ) COB LEDs
7/27/11
Window Covering Design
The selection of blinds, window coverings, or the lack thereof is likely the most crucial choice a designer will make when seeking to ensure visual comfort while maintaining daylight performance over time. We have all seen buildings where blinds are down continuously. Typically, this is associated with visual discomfort (glare). The most common source of glare issues in daylighting is a line of sight to the disk of the sun. Selecting a window covering that is opaque enough to block the sun, such as fabric window shades with 3% or less openness or horizontal blinds, can control this phenomena.
Manually operated blind systems can be very effective if properly used. More specifically, a 2" horizontal blind with a white finish can function as a series of mini light shelves casting indirect light into the space when desired. However, they rely on and require constant user attention to maintain complete glare control while achieving maximum daylight performance. For this reason, blinds or shades are often permanently deployed at the ¡°worst case scenario¡± position to maintain visual comfort throughout the day and year. This typically results in poor daylight performance and the elimination of views to the exterior.
Automated glare control has the distinct advantage of being deployed only when needed and retracting without user intervention when direct sunlight is no longer present to allow for unimpeded diffuse daylight. In most cases, this will deliver longer periods of effective daylight contribution, increased electric lighting power savings, and longer durations of unobstructed views to the exterior. Automation of glare control may provide the most persistent daylight performance where low angle direct sun is present during extended periods of occupancy.
Manually operated blind systems can be very effective if properly used. More specifically, a 2" horizontal blind with a white finish can function as a series of mini light shelves casting indirect light into the space when desired. However, they rely on and require constant user attention to maintain complete glare control while achieving maximum daylight performance. For this reason, blinds or shades are often permanently deployed at the ¡°worst case scenario¡± position to maintain visual comfort throughout the day and year. This typically results in poor daylight performance and the elimination of views to the exterior.
Automated glare control has the distinct advantage of being deployed only when needed and retracting without user intervention when direct sunlight is no longer present to allow for unimpeded diffuse daylight. In most cases, this will deliver longer periods of effective daylight contribution, increased electric lighting power savings, and longer durations of unobstructed views to the exterior. Automation of glare control may provide the most persistent daylight performance where low angle direct sun is present during extended periods of occupancy.
Shading and Exposure Tips:
- North - Shading may only be needed in early morning or late afternoon.
- South - Good access to strong illumination but varies throughout the year. Shading is easier than East/West.
- East/West - Shading is difficult but critical for comfort.
Luminance ( Photometric Brightness )
The light that we actually see, brightness can be measured as the light leaving a lamp, or the light reflecting from an object's surface. It is measured in footlamberts (English) or candelas/square meter (metric).
Brightness can be used for a variety of purposes, from producing a sense of drama to creating sparkle and glitter elements in a space. The brighter a task is, the easier it is to see and the lower the amount of light that is required. Too little brightness decreases contrast and calls for a higher light level. But if not properly controlled, high brightness can produce levels of glare that either impair or prevent a desired task being performed. Glare can be described as direct or reflected glare, which can then result in discomfort or disability.
Direct glare comes straight from the light source. Reflected glare shows up on the task itself, such as a computer screen. Discomfort glare does not prevent seeing makes it uncomfortable. Disability glare prevents vision--a popular example is holding a glossy magazine at a certain angle; a veiling reflection results, impairing our reading of the page.
Strategies for Reducing Unwanted Glare
Strategies commonly employed to reduce unwanted levels of glare include:
Visual Comfort Probability
Visual comfort probability (VCP) is a rating on a scale of 0-100 given to indoor fixtures (in a uniform system with identical fixtures) to indicate how well accepted they are likely to be by the area's occupants. A VCP rating of 75, for example, indicates that 75% of the occupants in the poorest location would not be bothered by direct glare. Generally, office environments require that fixtures have a VCP rating of 70 or more, although this figure has been revised by some in recent years to 80 or more for environments where visual-task computers are used. The VCP rating for a given fixture can be found in its photometric test report. Generally, again, the higher the VCP rating, the lower the fixture's efficiency at transmitting light to the task.
Shielding Media Characteristics for Fluorescent 2x4 Recessed Troffer Fixtures:
Brightness Ratios
Brightness ratios in a space can affect how it is perceived. While high ratios of bright to dark in the space can produce contrast or a sense of drama, it can also be visually fatiguing during transient adaptation, which describes the eye adapting to changes in brightness. This can reduce productivity and can even be hazardous. The right approach is determined by the application; the IESNA has recommended brightness ratios for a wide range of environments.
Uniformity
Uniform light and brightness levels across a space can be desirable but may also be boring; in such cases, sparkle elements, color and/or other methods can be employed to create visual interest without causing fatigue.
Brightness can be used for a variety of purposes, from producing a sense of drama to creating sparkle and glitter elements in a space. The brighter a task is, the easier it is to see and the lower the amount of light that is required. Too little brightness decreases contrast and calls for a higher light level. But if not properly controlled, high brightness can produce levels of glare that either impair or prevent a desired task being performed. Glare can be described as direct or reflected glare, which can then result in discomfort or disability.
Direct glare comes straight from the light source. Reflected glare shows up on the task itself, such as a computer screen. Discomfort glare does not prevent seeing makes it uncomfortable. Disability glare prevents vision--a popular example is holding a glossy magazine at a certain angle; a veiling reflection results, impairing our reading of the page.
Strategies for Reducing Unwanted Glare
Strategies commonly employed to reduce unwanted levels of glare include:
- Indirect lighting that throws more light upward than downward, diffusing the light and reducing glare on computer screens
- Parabolic louvers, special lenses or other diffusing media on fixtures that diffuse the fixture's light output
- In an office, it may be possible to de-emphasize the ambient lighting system with reduced light output and diffusing media, while providing adjustable task fixtures at workstations
- Relocating the light source
- Relocating the task or changing its orientation until the glare is removed
- Changing the surface reflectance of the task
- Use blinds or shades on windows to control the amount or transmittance angle of sunlight entering the space
Visual Comfort Probability
Visual comfort probability (VCP) is a rating on a scale of 0-100 given to indoor fixtures (in a uniform system with identical fixtures) to indicate how well accepted they are likely to be by the area's occupants. A VCP rating of 75, for example, indicates that 75% of the occupants in the poorest location would not be bothered by direct glare. Generally, office environments require that fixtures have a VCP rating of 70 or more, although this figure has been revised by some in recent years to 80 or more for environments where visual-task computers are used. The VCP rating for a given fixture can be found in its photometric test report. Generally, again, the higher the VCP rating, the lower the fixture's efficiency at transmitting light to the task.
Shielding Media Characteristics for Fluorescent 2x4 Recessed Troffer Fixtures:
| Shielding Medium | Fixture Efficiency | VCP Rating |
| Clear Prismatic Lens | 60-75% | 50-70 |
| Low-Glare Clear Lens | 60-75% | 75-85 |
| Deep-Cell Parabolic Louver | 50-70% | 75-95 |
| Translucent Diffuser | 40-60% | 40-50 |
| Small-Cell Parabolic Louver | 35-45% | 99 |
Brightness Ratios
Brightness ratios in a space can affect how it is perceived. While high ratios of bright to dark in the space can produce contrast or a sense of drama, it can also be visually fatiguing during transient adaptation, which describes the eye adapting to changes in brightness. This can reduce productivity and can even be hazardous. The right approach is determined by the application; the IESNA has recommended brightness ratios for a wide range of environments.
Uniformity
Uniform light and brightness levels across a space can be desirable but may also be boring; in such cases, sparkle elements, color and/or other methods can be employed to create visual interest without causing fatigue.
COB Dimmable LED Downlight
- Light Source: LED surface light source,COB (Chip-on-Board) design
- Body Material: Aluminum.
- Radiator Temp:< 55 degree.
- Radiator Caft : 6063 aluminum cold forging.
- Environment-friendly and no UV or IR radiation.
- No dazzling and mild color with light bending effect.
- Long lifespan, low cost of maintenance.
- Transformer is at the COB LED Downlight directly attached, including a terminal block for power line .
- Easy to install and maintain, and normal base type E can be matched.
- Easy to install and maintain, replacement of traditional bulbs and no subsidiary fixture.
- Available for Switch controll (dimmable) or Non dimmable types.
- Swivel range : 30 °
COB Dimmable LED Downlight ( option of dimmable or not-dimmable ) | |||||
|---|---|---|---|---|---|
| Nominal voltage(product) | Ac85 - 265V | ||||
| Operating frequency | 50 - 60 Hz | ||||
| Lifespan | 30,000 H | ||||
| Radiator temp : | < 55°C | ||||
| Power factor : | > 0.9 | ||||
| Casing material | Radiator temp : 6063 aluminum cold forging Body material:aluminum | ||||
| Style No# | AL-CD03 | AL-CD05 | AL-CD07 | AL-CD10 | AL-CD15 |
| Wattage | 3w | 5w | 7w | 10w | 15w |
| Luminous flux | Warm white : > 180 Lm Cool white : > 210 Lm Nature white : > 240 Lm | Warm white : > 300 Lm Cool white : > 350 Lm Nature white : > 400 Lm | Warm white : > 420 Lm Cool white : > 490 Lm Nature white : > 560 Lm | Warm white : > 600 Lm Cool white : > 700 Lm Nature white : > 800 Lm | Warm white : > 900 Lm Cool white : > 1050 Lm Nature white : > 1200 Lm |
| Luminous efficacy | Warm white : 60 Lm/w Cool white : 70 Lm/w Nature white : 80 Lm/w | ||||
| Color temperature | Warm white : 3000 K Cool white : 4000 K Nature white : 6400 K | ||||
| Color rendering index Ra | Warm white : > 80 Ra Cool white : > 75 Ra Nature white : > 75 Ra | ||||
| Light color | Warm white Cool white Nature white | ||||
| Dimensions : | Depth :90 mm Outer diameter : Φ: 101.5 mm Diameter : Φ: 75 mm | Depth :102.5 mm Outer diameter : Φ: 112 mm diameter : Φ: 85 mm | Depth :102.5 mm Outer diameter : Φ: 112 mm diameter : Φ: 85 mm | Depth :110 mm Outer diameter : Φ: 143 mm diameter : Φ: 105 mm | Depth :110 mm Outer diameter : Φ: 143 mm diameter : Φ: 105 mm |
Dimensions images ( 3w 5w ) | Dimensions images ( 5w 7w ) | Dimensions images ( 10w 15w ) | |||
| Packging unit | Contains 16 Piece | ||||
| Dimensions in H × W × L | 280 mm × 320 mm × 620 mm | ||||
| Gross weight | 6.72 Kg | ||||
| Volume | 55.552 Cubic dec | ||||
This discreet Downligh ter with minimal design is the ideal solution for the lighting requirements of hotels, retail and fitness areas and spaces that require exact light from compact fittings that are easy to install and maintain.
Available in two versions - fixed and adjustable - Pinhole can be installed in false ceilings with thickness from 1 to 20 mm with stainless steel springs. The front ring contains an accessory-holding ring.
Under cabinet lighting
Art lighting
Available in two versions - fixed and adjustable - Pinhole can be installed in false ceilings with thickness from 1 to 20 mm with stainless steel springs. The front ring contains an accessory-holding ring.
Dimmable LED downlights are used widely for general ambient lighting in:
Home /office lighting,display case lightingUnder cabinet lighting
Art lighting
LED DownLight Manufacturers COB Technology - Features & benefits
- Environment Friendly : LED backlighting eliminates the traces of mercury found in cold-cathode fluorescent lamps, thus meeting mandates for the reduction of hazardous substances. RoHS compliant product, No Cadmium, Lead, or Mercury. Unlike fluorescent, there are no concerns over disposal.
- High Energy Efficient: Only 20% power consumption of halogen lamp and incandescent lamp.
- Low Heat Generation : Excellent heat dissipation design,surface temperature is lower 58°C, Junction temperature lower than 102°C.
- Natural Light : Superior colour rendering over other LED sources due to unique PLF technology; High pupil lumen factor.
- Ergonomic Light : No EMI, ballast noise, UV or glare. Non-flickering light reduces eye strain, headaches and other workplace complaints associated with fluorescent lighting. Remote controlled dimming and (on E models only) colour temperature adjustment to suit changing activities and moods.
- High Uniformity : The backlight unit demonstrates a brightness uniformity of more than 85 percent and a color uniformity (Δu'v') of less than 0.007 in CIE1976 LUV color space. The results are equivalent to the performance of a compact fluorescent light source.
Dimmable COB LED Downlight
- Wattage : 3W / 5W / 7W / 10W / 15W
- Color temperature : 3000K / 4000K / 6400K
- Luminous flux(3W) : 180LM / 210LM / 240LM
- Luminous flux(5W) : 300LM / 350LM / 400LM
- Luminous flux(7W) : 420LM / 490LM / 560LM
- Luminous flux(10W) : 600LM / 700LM / 800LM
- Luminous flux(15W) : 900LM / 1050LM / 1200LM
- Round COB LED Downlight : Available for switch controll (dimmable) or Non dimmable types.
COB LED Downlight Round Swivel
- Swivel range: 30 °
- Wattage : 3W / 5W
- Color temperature : 3000K / 4000K / 6400K
- Luminous flux(3W) : 180LM / 210LM / 240LM
- Luminous flux(5W) : 300LM / 350LM / 400LM
- Round Swivel COB LED Downlight : Available for switch controll (dimmable) or Non dimmable types.
COB LED Downlight Rotatable LED Ceiling Lamp
- Swivel range: 30 °
- Wattage : 3 × 3W / 3 × 5W
- Color temperature : 3000K / 4000K / 6400K
- Luminous flux(3W) : 540LM / 630LM / 720LM
- Luminous flux(5W) : 900LM / 1050LM / 1200LM
- Dimmable COB LED Downlight Rotatable LED Ceiling Lamp : Available for switch controll (dimmable) or Non dimmable types.
7/26/11
designs of LEDs - The semiconductor crystal:
Silicium belongs to the most frequent elements of the earth's crust. It occurs however not purely, but as SiO2 (silicium dioxide or quartz)and must be converted by precipitation processes into pure silicium.
Lattice defects in this crystal disturb however the movement of the electrons and in such a way that the crystalline pure silicium must be “cleaned?by a fusion procedure (Zohnenschmelz or Czochralski process) and "pulled" into large single crystals. These crystals has a diameter of 10-20 cm and a length of up to 2 meters. So a purity can be achieved by one foreign atom on 10 to high 9 Siliciumatomen.
This pure crystal is cut now into thin disks, called Wafern. Wafer costs today approx. around 1000, - Eur. The DOPING crucial for LEDs (addition of additives) can be achieved either with pulling the crystal or with the Wafern by vaporizing with 1000°C with the foreign atoms or by the bombardment with ions of the additive in small accelerators.
Now the endowed Wafern are cut into some hundred small “chips? which exhibit a thickness of only approx. 250 µm. These tiny small and hardly with free eye visible pieces of semiconductor crystal are responsible for the light generation of our LED.
Light emitting diodes are used into many different designs.
Mainly however plastics and synthetic resin applications for the lens are used. In addition, glass or metal housings is used with bright LEDs. LEDs zum Einsatz.
The plastic body, which is formed like a lens and lies over the crystal, lowers the limit angle of the total reflexion and bundles, therefore increases the radiating power.
With stronger LEDs also glass lenses are used. Metal housings, mostly from aluminum, take over mainly the task of the heat dissipation, thus cooling.
Lattice defects in this crystal disturb however the movement of the electrons and in such a way that the crystalline pure silicium must be “cleaned?by a fusion procedure (Zohnenschmelz or Czochralski process) and "pulled" into large single crystals. These crystals has a diameter of 10-20 cm and a length of up to 2 meters. So a purity can be achieved by one foreign atom on 10 to high 9 Siliciumatomen.
This pure crystal is cut now into thin disks, called Wafern. Wafer costs today approx. around 1000, - Eur. The DOPING crucial for LEDs (addition of additives) can be achieved either with pulling the crystal or with the Wafern by vaporizing with 1000°C with the foreign atoms or by the bombardment with ions of the additive in small accelerators.
Now the endowed Wafern are cut into some hundred small “chips? which exhibit a thickness of only approx. 250 µm. These tiny small and hardly with free eye visible pieces of semiconductor crystal are responsible for the light generation of our LED.
Light emitting diodes are used into many different designs.
Mainly however plastics and synthetic resin applications for the lens are used. In addition, glass or metal housings is used with bright LEDs. LEDs zum Einsatz.
The plastic body, which is formed like a lens and lies over the crystal, lowers the limit angle of the total reflexion and bundles, therefore increases the radiating power.
With stronger LEDs also glass lenses are used. Metal housings, mostly from aluminum, take over mainly the task of the heat dissipation, thus cooling.
1)Wired LEDs
The Wired LED is at present still the most well-known LEDs because this design was already used for a very long time in electronics. They were mostly used however only as control small lamps.
When the luminous efficiency of semiconductor crystals became better and better, the wired LEDs became generally accepted in the lighting industry. Several wired LED in summary, are found nowadays in LED SPOTS, LED tubes, LED modules and LED chains.
The advantage of wired LEDs exists in very favorable production in the small heat emission and that they can very simply soldered. The most usual models of wired LEDs are 3mm, 5mm and 10mm diameter.
The reflector tub in that semiconductor crystal is embedded, is also the short leg of a wired LED and also the MINUS - (cathode). A further distinguishing feature for the Minusseite of a Bedrahteten LED is an easy flattening of the plastic shroud on this side.
Wired LEDs are produced in all colors also in RGB (RED, GREEN, BLUE). Either with automatic color change or automatic dialable. The automatic dialcash possess 4 legs (pin).
SMD LEDs possess not as the wired LED small wire connections, caled pins, but by means of solderable mating surfaces are soldered directly on the printed circuit board. Who does not use a printed circuit board, can naturally also wire connections on the mating surfaces solder.
Several SMD LED in summary, find nowadays with LED SPOTS, LED tubes and LED modules application.
SMD LED are made in different sizes, shapes of the housing and light-current strengths. By the enormous luminosity of some SMD LED, with which usually 3 or 4 semiconductor crystals are embedded in a SMD LED, they are used as flashlight LED in mobile phones or very compact digital cameras. Also in the automobile industry SMD LED are used for turn signals, stop light or daily headlight. SMD LEDs are produced in all colors also in RGB (RED, GREEN, BLUE).
They possess a large reflected beam angle and send their light laminar and are therefore better suitable for surface lighting. The four contact contacts (pin) do not only make a better heat dissipation and thus a high life span possible, but they can be headed also separately.Spider LED contains up to 4 semiconductor crystals (chips).
These advantages make those for superflux LED a perfect multi-chip carrier with infinitely many ranges of application.
Superflux are used in LED bulbs, LED tubes, LED modules and ever more frequently in addition, in the autolighting industry.
Here we know them as Soffitten in many different sizes and colors. In the advertising industry they are used e.g. for signature lighting or dia. assemblies.
Superflux LEDs are used for turn signals, stop light or daily headlight. SMD LEDs are produced in all colors also in RGB (RED, GREEN, BLUE).
The chip on board technology is clearly the innovativste range of the semiconductor technology. With this technology the individual LED chips with the assistance of fully automatic Bondern are set directly on a gilded printed circuit board. This special procedure is called “Bonding? Subsequently, contacting is made to the antipole by a gold or aluminum wire.
The COB technology makes chip densities possible of up to 70 Chips/cm2!!! and made possible as an enormous intensity with even annunciator and offers many ranges of application with boundless organization freedom infinitely in connection with differently substrates as e.g. flexible printed circuit boards and ceramics.
Durch Chip On Board Technik kann auch eine optimale Wärmeableitung erreicht werden, welches die Lebensdauer einer LED enorm beeinflusst.
By chip on board technology can be achieved also an optimal heat dissipation, which affects the life span an LED enormously. To the COB LEDs belongs nearly all power LED variants. Zu den COB LEDs gehören fast alle Power LED Varianten.
When the luminous efficiency of semiconductor crystals became better and better, the wired LEDs became generally accepted in the lighting industry. Several wired LED in summary, are found nowadays in LED SPOTS, LED tubes, LED modules and LED chains.
The advantage of wired LEDs exists in very favorable production in the small heat emission and that they can very simply soldered. The most usual models of wired LEDs are 3mm, 5mm and 10mm diameter.
The reflector tub in that semiconductor crystal is embedded, is also the short leg of a wired LED and also the MINUS - (cathode). A further distinguishing feature for the Minusseite of a Bedrahteten LED is an easy flattening of the plastic shroud on this side.
Wired LEDs are produced in all colors also in RGB (RED, GREEN, BLUE). Either with automatic color change or automatic dialable. The automatic dialcash possess 4 legs (pin).
2) SMD LEDs ( Surface Mounted Device )
SMD means in german: Oberflächen montierbares Bauelement oder Bauelement für die Oberflächenmontage.
SMD LEDs possess not as the wired LED small wire connections, caled pins, but by means of solderable mating surfaces are soldered directly on the printed circuit board. Who does not use a printed circuit board, can naturally also wire connections on the mating surfaces solder.
Several SMD LED in summary, find nowadays with LED SPOTS, LED tubes and LED modules application.
SMD LED are made in different sizes, shapes of the housing and light-current strengths. By the enormous luminosity of some SMD LED, with which usually 3 or 4 semiconductor crystals are embedded in a SMD LED, they are used as flashlight LED in mobile phones or very compact digital cameras. Also in the automobile industry SMD LED are used for turn signals, stop light or daily headlight. SMD LEDs are produced in all colors also in RGB (RED, GREEN, BLUE).
3) Superflux LEDs ( Spider LEDs )
One could see superflux LED (or Spider LED called) as advancement of the wired LED.They possess a large reflected beam angle and send their light laminar and are therefore better suitable for surface lighting. The four contact contacts (pin) do not only make a better heat dissipation and thus a high life span possible, but they can be headed also separately.Spider LED contains up to 4 semiconductor crystals (chips).
These advantages make those for superflux LED a perfect multi-chip carrier with infinitely many ranges of application.
Superflux are used in LED bulbs, LED tubes, LED modules and ever more frequently in addition, in the autolighting industry.
Here we know them as Soffitten in many different sizes and colors. In the advertising industry they are used e.g. for signature lighting or dia. assemblies.
Superflux LEDs are used for turn signals, stop light or daily headlight. SMD LEDs are produced in all colors also in RGB (RED, GREEN, BLUE).
4) CBO LEDs( Chip on Board ) Power LEDs
CBO LEDs the semiconductor crystals is directly contacted at the plate.The chip on board technology is clearly the innovativste range of the semiconductor technology. With this technology the individual LED chips with the assistance of fully automatic Bondern are set directly on a gilded printed circuit board. This special procedure is called “Bonding? Subsequently, contacting is made to the antipole by a gold or aluminum wire.
The COB technology makes chip densities possible of up to 70 Chips/cm2!!! and made possible as an enormous intensity with even annunciator and offers many ranges of application with boundless organization freedom infinitely in connection with differently substrates as e.g. flexible printed circuit boards and ceramics.
Durch Chip On Board Technik kann auch eine optimale Wärmeableitung erreicht werden, welches die Lebensdauer einer LED enorm beeinflusst.
By chip on board technology can be achieved also an optimal heat dissipation, which affects the life span an LED enormously. To the COB LEDs belongs nearly all power LED variants. Zu den COB LEDs gehören fast alle Power LED Varianten.
LED Light Tube Manufacturers COB Technology - Features & benefits
LED Light Tube : COB Technology Provides The Greatest Benefits For Producing Homogeneous Light Effects And High Luminous Densities.
- LED chip is fixed on aluminium layer of aluminium base PCB. The heat from chip can be spread out through aluminium layer rapidly.
- Equable and soft irradiancy , No glaring and eye protection.
- Good reliability, No dead bulb and No motting
- LED fill lighting module can be combined into different LED lights easyly
- Iow lighting decay, decay less than 1% after 2000 hours
- LED Light Tube: A highly efficient, long lasting, environmentally friendly, and inherently digital source of illumination - reinventing light itself as a highly controllable medium.
COB LED Light Tube T5
- Lamp holder: G5
- Wattage:8w 13w 18w
- Luminous flux:450 - 1100 lm
- Color temperature:3000 - 6000 K
- Power factor : ≥ 90%
- Color rendering index Ra : ≥ 75 Ra
COB LED Light Tube T8
- Lamp holder : G 13
- Wattage : 9w 14w 19w 24w
- Luminous flux : 550 - 1500 lm
- Color temperature : 3000 - 6000 K
- Power factor : ≥ 90%
- Color rendering index Ra : ≥ 75 Ra
COB LED Light Tube T10
- Lamp holder: G 13
- Wattage:9w 14w 19w 24w
- Luminous flux:650 - 1600 lm
- Color temperature:3000 - 6000 K
- Power factor : ≥ 90%
- Color rendering index Ra : ≥ 75 Ra
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