With the improvement of the light efficiency of LED chips, the continuous improvement of packaging technology, and the development of heat dissipation technology of LED lamps, LED light sources are rapidly expanding in the field of lighting, and the LED panel light industry is booming.
LED panel lights have the advantages of uniform light, low glare, and simple installation. It has a good market prospect and leads the new trend of modern indoor lighting. However, the quality of LED panel lights on the market today is uneven. Some manufacturers ignore product quality, drive down prices, and compete maliciously, which has seriously affected the healthy development of the industry.
The following is an introduction to the structural characteristics of LED panel lights!
Compared with other lamps, LED panel lamps have a unique structure. It is mainly composed of light source, light guide plate, diffuser plate, reflective paper, driving power supply, etc. Compared with other lamps, LED backlight products have more similar structures such as light guide plate, diffuser plate and reflective paper.
one. LED light board
LED panel light manufacturers are basically SMD chip series when using LED light sources, such as 3528, 3014 and so on. The market faced by LED panel light manufacturers is dynamic. The manufacturer will select the light source that meets the design requirements according to the actual needs of the customer. The choice of LED light source is very important to the improvement of product performance, and it is one of the important factors to improve the quality of LED panel light.
2. Diffuser plate
The main function of the diffuser plate is to evenly output the light of the light guide plate to make the light distribution more uniform. When the light is emitted to the diffusion point, the reflected light will be diffused to all angles and then emitted from the front of the light guide plate. The light guide plate adopts a variety of dense and different diffusion points, the light is uniform, and the brightness of the light guide plate is improved. It can also play a role in blurring.
3. Light guide plate
The function of the light guide plate is to convert the light emitted by the LED point light source into a surface light source through optical technology, and make the side LED light refract through the point, so that the light can be uniformly exported from the front. At present, printed light guide plates are mainly used. The quality of the light guide plate will directly affect the brightness and uniformity of the product, which requires good light transmission performance.
The light guide plate is the key to the quality control of the LED panel light. If the dot design is not good, the overall light efficiency will be poor and the light output will be uneven. There will also be dark areas on both sides of the intermediate light, and there will be bright bands at the light inlet, and local dark areas can be seen, and the brightness is inconsistent at different angles. In order to improve the light effect of the light guide plate, it should mainly rely on the design of the dots, followed by the quality of the board, and select a qualified high light transmittance board
Fourth, the rear cover
The main function is to seal the LED panel light. Generally, aluminum plates are used, which can also play a role in heat dissipation.
5. Reflective paper
The function of the reflective paper is to fully reflect the light overflowing from the light guide plate, so as to make full use of the light emitted by the LED. Try to choose reflective paper with a reflectivity close to 100%, maximize the use of light, and improve the output brightness of the LED panel light, generally rw250.
6. Driving force
At present, there are two kinds of LED driving power supplies, one is a constant current power supply with high efficiency, PF value of 0.95, and high cost performance; the other is a constant voltage constant current power supply with stable performance, low efficiency and high cost. Generally speaking, the power supply is mainly used for export, and the other party has certification requirements. In fact, it is safe to use a constant current power supply at home, because it is difficult for users to access the power supply, and the lamp body itself uses a safe low voltage.
Benwei Lighting is an LED Tube, LED flood light, LED Panel Light, LED High Bay, LED manufacturer with 12 years of experience. If you want to purchase a high-quality LED flood light or have a more in-depth understanding of the application of LED flood lights, please contact send us inquiry， our web: https://www.benweilight.com/.
