After years of development, China’s LED display screen industry has gradually entered a stable growth from high-speed development, the market growth rate gradually slowed down, LED display industry is entering a transition period, the product will be in the direction of energy saving, intelligent, thin, screen super large, high-definition high-density, point-by-point correction normalization, etc. With the development of LED screen towards the direction ofhigh-density LED application penetration will continue to increase,