Conventional LED lights have shortcomings such as insufficient brightness, which leads to insufficient penetration. The power LED lamp has the advantages of long life and long life, but the power LED has technical difficulties such as packaging. The following is a simple analysis of the factors affecting the light extraction efficiency of the power LED package.
According to the different functions, it can be divided into five categories: information display, signal light, vehicle light, LCD backlight, and general illumination.
