It is well known that it is by virtue of high brightness, and strong visual impact, wide viewing angle and color reduction advantages such as outstanding, Outdoor LED display showed a trend of rapid development in recent years, rapid "rewarding", the streets all over the city. As a very promising form of outdoor media, LED screens to create unique value for other traditional outdoor media to catch up, now has become a city under a new era of business cards, and acted as a city carrier of commercial vitality, the endorsement of modern urban spirit. Statistics show, 2011 China Outdoor LED electronic display advertising market size reached 1.215 billion yuan, compared to the previous year of 35.5% 2012 market reached 1.55 billion yuan, an increase of 27.6%. It can be said that Outdoor LED display unparalleled advantages to help them get on the field of outdoor advertising "overlord" throne, but advantage sometimes is a double-edged sword. With the advancement of urban construction, Outdoor LED display in the city "everywhere", related to light pollution, traffic safety problems are gradually exposed. In recent years, people's awareness to combat light pollution has been significantly improved, and outdoor LED display screen complaint cases related to light pollution is on the increase.