System structure

    As the Fig shown, it"s a VGA synchronous system, the content of VGA display can synchronously be shown on LED screen. This structure consists of a video device, a controller, a display, etc.

    The video device is used to collect the information of the content of a display, and arrange the programmes which is going to be shown on LED screen; it also send the datas to the video capture card which can process the datas and send them to the controller at a certain rate in real time. When the controller received the datas, it will automatically allot them to every module of LED display, and in this way, the display can show a very abundant and vivid picture.