屏幕墙是由多个电视（背投电视）单元拼接而成的一种超大屏幕屏幕墙体,是一种影像、图文显示系统。可看作是一台可以显示来自计算机VGA信号、多种视频信号的巨型显示屏，向屏幕墙传送视频或者计算机VGA信号，屏幕墙便能显示清晰、色彩艳丽、高亮度的复杂全彩多媒体图形影像信息。是目前动态影像展示、宣传、广告的最佳方式。大屏幕屏幕墙的宣传表达能力极强、高档、气派、豪华，常在电视台、体育场馆、证券市场、调度指挥等领域使用。
Screen wall is composed of multiple television (rearprojection televisions) unit together without a large screen screen wall, is a kind of image and graphic display system.Can be regarded as a display from computer VGA signal, a variety of giant screen, video signal transmit video or computer VGA signal to the screen wall, screen wall can show clear, colorful, high brightness complex full-color multimedia graphics image information.Is the dynamic image display, publicity, advertising, the best way.Wall screen to the propaganda of strong ability of expression, luxury, style, luxurious, often in television, sports venues, the securities market, dispatch control, etc.