New materials can effectively solve the problem of LED glare and low light efficiency

A new type of material developed by the team of professor You Bo from the Department of Materials Science of Fudan University, light diffusion coating, was unveiled at the World Expo. The material can effectively solve the problem of glare and low light emitting efficiency of the LED light source.

It is understood that there are many imperfections in LEDs at present. One of the most fatal shortcomings is the characteristics of its point light sources. When the LED lamp emits light, it will generate a strong light spot, which cannot be seen directly with your eyes. If you have been living around a high-brightness LED light source, the strong light spot formed by the LED light source will instantly affect the visual judgment. It will cause discomfort and fatigue to the eyes in the short term, and it will cause permanent damage if used for a long time.

In order to avoid the light pollution hazards caused by LEDs, the light diffusion film developed by Professor You Bo uniformly converts the LED point light source into a surface light source, thereby forming diffuse reflection of light, thereby achieving the effect of uniform light, so that the overall light source is more uniform and soft ,full. The reporter learned that not only the light diffusion film can improve the utilization rate of LED light, increase the brightness of LED, but also reduce the amount of lamp used. Once the number of lamps is reduced, the power consumption of the LCD screen and the generation of heat energy will be greatly reduced, which is helpful for environmental protection. LED light diffusion coating, which can replace the currently used diffusion film, is used to eliminate the glare and point light source problems of LED devices, can be used in outdoor street lights and traffic lighting, large-size LCD panels and laptop backlights, architectural lighting, automobiles Use lighting, home lighting, etc.