Outdoor LED Display is a kind of LED Display that applied in outdoor environment. There are many types such as single color LED display, full color LED display, Dual Color LED Display etc based on the color variety it shows. The features of Outdoor LED Display can be summarized as (1)Powerful visual effect to make system lively; (2)various information such as images, characters, TV programs, videos, VCD and flashes can be created with many effects; (3) water & sun proof, steady performance; (4)colorful; (5)long life span;(6) energy-saving,. It is applied in outdoor places, such as outdoor dynamic advertisement, crowded areas, concert halls, holiday resorts, presentations, exhibitions, meetings, train stations, airports, metro stations, halls, congested city streets and squares, TV studios, modern dynamic video signs and banners, etc.