For more than 1,500 LED enterprises in Shenzhen, Shenzhen promotes the use of LED lighting products is like a beacon. The program made it clear that the new lighting project for the city's public lighting field will use LED lights, original non LED lights in public places, will be replaced with the two years. In fact, in LED promotion, Shenzhen has been the forefront of the country, which is related  Shenzhen LED industry made the first step. The statistics show that Shenzhen has 1500 enterprises of LED lighting industry, LED technology and product research and development production enterprises accounted for nearly 45% of similar enterprises. LED industrial scale is 700 billion yuan, occupying nearly half of country . Currently, the city has basically formed a relatively complete industrial chain of the substrate material - epitaxial wafers - chip - package - Applications ", taking a leading position in the overall size of the economy, the number of firms, and become the global LED backlight and LED display the main production base. The global semiconductor lighting industry will enter a period of explosive growth in the next three years for the development of semiconductor lighting industry one of the most critical period,if to take the good chances, China is likely to win in the global competition.