The main function of LED display is to display text, image, video and other information, and it is often used in advertising, guidance and navigation, data display and other fields. It has the advantages of high brightness, bright colors, good display effect, low energy consumption, etc., and is widely used in various indoor and outdoor occasions.

LED displays can be divided into LED digital tubes, LED character screens, LED graphics screens, LED video screens and other types, which can be selected according to different needs. Among them, the LED digital tube can display multi-digit numbers, which is suitable for occasions that need to display more numbers; the LED character screen can display various Chinese characters and English characters, and is suitable for occasions that need to display text information; the LED graphic screen can display various graphics , suitable for occasions that need to display image information; LED video screen can display video information, suitable for occasions that need to play video.

LED displays have a wide range of functions and can be used in commercial publicity, public information release, traffic instructions, safety warnings and other fields. In the future, with the continuous development of LED technology, the application prospect of LED display will be broader.