LED screen is a new type of image electronic equipment, which is composed of light-emitting diodes arranged in sequence. Because of its high brightness, wide viewing angle and long life, it is widely used in outdoor advertising screens and other products.
Using LED light source for lighting will first replace incandescent lamps that consume electricity, and then gradually enter the whole lighting market, which can save a lot of electricity. Recently, the power consumption of white LED has reached more than 1 watt, and the light output is 25 lumens, which also increases its practicability.