Advantages of 80W LED Module Light Emitting Diode
Being multi-chip packaged, the light emitting area of a COB LED can contain many times more light sources in the same area that standard LEDs could occupy resulting in a greatly increased lumen output per square inch.
COB LEDs use a single circuit with just two contacts to energize the multiple diode chips it houses. This results in fewer components required per LED chip for proper operation. Furthermore, the reduced components, along with the elimination of the traditional LED chip structure packaging, can reduce the heat generated from each LED chip. The ceramic/aluminum substrate of COB LEDs also acts as a higher efficiency heat transfer medium when coupled to an external heatsink, further lowering the overall operating temperature of the assembly.
Another aspect of COB LEDs that reduces failure rates is the fact that spot soldering of the individual LED chips is not necessary as each chip is directly mounted onto the substrate. The smaller amount of welding points results in lowering the rate of failure.
Light loss is decreased significantly and viewing angle is increased both due to the fact that lenses and other traditional LED packaging parts are no longer in place when using COB LEDs.
The disadvantage of COB LEDs
COB LEDs do have one disadvantage in that they currently are available in a limited variety of colors (blue, green, pink, red, cool white, neutral white, and warm white).
Product Specification
Typical Electrical & Optical Characteristics ( Ta = 25°C)
Items | Symbol | Condition | Min. | Typ. | Max. | Unit |
Forward Voltage | VF | IF =2400mA | 30.00 | 34.00 | V | |
Reverse Current | IR | VR = 50V | 10 | mμA | ||
Color Temperature | CCT | IF =2400mA | 6000 | 6500 | K | |
Luminous Flux | Φv | IF =2400mA | 9000 | 11000 | lm | |
50% Power Angle | 2θ½ | IF =2400mA | 120 | deg | ||
Thermal Resistance （Junction to Board） | RJ-B | IF =2400mA | 8 | °C/W |
Package Dimension
Packing Method
MPQ: 12pcs per plate in vacuum bag.
Vaccum bags help the led to prevent from humidity in the air.
Company Introduction
Application of 100W COB LED
The application possibilities for COB LEDs encompass a wide range. While these devices could be used for higher output general lighting, the primary use for COB LEDs would be as solid-state lighting (SSL) replacements for metal-halide lamps in applications such as high-bay lighting, street lights, and high-output track lights and downlights.
Conclusion
The use of COB LEDs in lighting applications is increasing as designers realize the benefits of using them over the traditional standard LED options. With their ability to pack more LED sources into a smaller space for increased lumen output, their ability to transfer heat more effectively to a heatsink, the lower failure rates due to their simpler construction, their lower light loss, and their increased viewing angle, it is hard to not consider them for any lighting application design.
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