LED display, is a display mode by controlling semiconductor light-emitting diodes, used to display text, graphics, images, animation, market, video, video signal and other information display screen.
Through the appropriate connection of the LED chip (including series and parallel) and the appropriate optical structure. A luminescent segment or point that constitutes a luminescent display. From these light segments or light points can be composed of digital tube, symbol tube, meter tube, matrix tube, level display tube and so on. Usually the digital tube, symbol tube and rice tube are called the stroke display, and the stroke display and matrix tube are collectively called the character display.