The LED display is a new type of imaging electronics that is made up of LEDs arranged in sequence. Due to its high brightness, wide viewing angle and long life, it is widely used in outdoor advertising screens and other products. LED display screens are generally used to display various information such as text, images, video, video signals, etc., not only can be used for information distribution, literature and entertainment, and publicity, but also as a new high-tech commodity, with its rich technology content, The appearance of the momentum, smooth display, and delicate color expressions can add a new vitality to the environment and set up an activity landscape. Now it has become the head choice for corporate publicity.