LED display is a high-tech product that covers photoelectronic techniquemicro-electronic techniquecomputer techniquevideo technique. LED makes up its Light-emitting part. The advantage is Less power consumptionhigh brightnesslow voltagedriving a simplelong life and stable performance. Display area may be assembled by unit module. Its screen speed is fast. LED display has been overcome the defect of news media impact of magnetic flap and neon. Using Varied colorspatternreal-time dynamic display mode and perfect multimedia effects and a strong visual impact display informationtextpicturesanimation and video, etc. It becomes the new age products of the information dissemination. It has been widely used in Railwaycivil aviationsports stadiumsconference hallshighwaysquarelarge shopping mallsbanks securities market and a variety of monitoring. LED electronic display is a display text, images, two-dimensional or three-dimensional animation and television, video, VCD video signals such as the ideal of public information display media. As a product of modern high-tech development, It compares with billboardslight boxesneon signs and other more traditional promotional media, its advantage: 1play unlimited information. 2it is the brightest in all kinds of advertise media all over the world. 3clear imagebig viewlow power dissipationand long life time.