LED panel can display national standard 2 character database (Chinese and English, etc), and there are various character font optional (Song typeface, imitation Song-Dynasty-style typeface, regular script, official script, Weibei body, and Traditional Chinese), also the word size is either big or small (16th lattice to 72th without change). LED panel could be connected with the scanner, to scan various pictures (handwriting fond is included), moreover, video signals are importable (TV, Video, laser video, and VGA), and it could display realtime dynamic TV scenes, as well as other diagrams and animation, besides, it could display contents synchronously with the monitor of the computer when computer signals are input, various tables and curved shape are displayed, including the stock market, stock analysis, deposit rate, and foreign exchange quotation. Meanwhile, it can display Beijing time, Weather forecast, various news, current event, and time display performance as well as the holding time are available to be controlled. There are various display modes for animation, such as unfolding images from top to bottom, from left to right, through the middle, with the mode of removable louvers, and so on. The time for each scene could be controlled, and scenes can be switched over. Furthermore, one scene could be divided into many parts which could be displayed synchronously with the ones in the monitor of computers. In one word, pixels in the LED panel are synchronous with the monitor of computers dot by dot, that’s what we call Mapping Relationship. The position that scenes reflected is optional, and programmes are replaceable, which include the contents, the order, and the time broadcast. Control computers could be used as a workstation on the network, to read realtime data from appointed servers and display it in the LED Display Screen.