GM announced that its Cadillac ELR's external light sources all use LED lighting, which also means Cadillac EUR will be an electric car with all LED external lighting. LED lighting has obvious advantages and has begun to be widely used in automobile lighting. China's automobile production and sales are very large. According to the statistics of China Automobile Industry Association, China's automobile production and sales last year were 1927 respectively. 180 thousand and 1930. 640 thousand vehicles, up year-on-year. 6 and 4. 3. Driving the vigorous development of related auto parts industry, among which the growth rate of LED Auto lighting is nearly 10 times that of the total production and sales. According to the plan of the Ministry of Industry and Information Technology, by the end of 2015, automobile lighting needs to complete the carbon dioxide emission reduction target. LED has the advantages of long service life, high brightness and low energy consumption. Its application in automobiles can better reduce energy consumption. In addition, LED lamps can withstand higher intensity stroboscopic and play an important role in automobile lighting. The response time of LED lamps is also shorter, which can effectively reduce the response time and traffic accidents. However, there are not many related enterprises in China, and the technical strength is not strong enough, which creates opportunities for other manufacturers. LED lighting manufacturers in Taiwan and European and American manufacturers have also begun to enter the mainland's Automotive LED lighting market after seeing this market. LED lighting companies in Taiwan have started a wave of transformation to automotive lighting last year. Including Jingdian, Jingyuan, AUO, Dongbei and other old companies, they have extended their business to international automobile brands, and take advantage of the labor cost of the mainland to actively invest and build factories in the mainland. accelerate the pace of development in the field of LED automotive lighting.