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With the continuous growth of the global automotive industry, the safety system of automobiles has also been greatly developed, and automotive lamps are an important part of the vehicle safety system, which is related to the driving safety and personnel safety of vehicles. At present, automobile lamps have gradually transitioned from LED lamps and halogen lamps to LED lamps. Compared with traditional lamps, LED lamps have many advantages such as high light efficiency, no delay, energy saving, longevity, low heat, shock resistance and high color purity. Therefore, it is bound to become the mainstream lamp in the new energy vehicle market. At present, the sales of LED automotive lighting application market is about 10% annual growth rate, and the prospects are very broad. In addition to the currently widely used taillights, high-position brake lights, etc., future turn signals and reversing lights will also be used on a large scale. In 2010, the market size of domestic LED automotive lamps may exceed 1 billion yuan, and may form 30 per year in 5 years. The output value of 100 million yuan. Zhong Jiecong, Marketing Director of Asia Pacific, OSRAM Opto Semiconductors Asia Ltd., said that according to the “2010 LED Special Report†released by iSuppli in 2009, it is estimated that by 2013, about 95% of new cars in the world will use LEDs in one or more taillights. Although the market prospect of LED lights is very broad, the proportion of domestic LED car lamps is not high in terms of sales status, and the usage rate of LED lights in domestic cars is less than 1%. The development of LED lamps in the Chinese market The main resistance is the cost issue. LED chip production technology is difficult, the threshold is high, the temperature, humidity, power supply, dust removal requirements of the crystal growth process are very strict, and the initial need to invest heavily in building factories. At present, the main place of production of LED chips is Taiwan, which accounts for 47% of the LED market. The LED factories in mainland China are mostly resin packaging and processing, and the chips need to be imported in large quantities, which is a major cause of high cost. The second is the domestic automobile industry. Manufacturers and consumers have not enough knowledge of LED lights. They are accustomed to comparing the cost of LED lights with traditional lights, which has affected the rapid development of LED lighting industry. At the same time, it has also encouraged some workshop-based processing enterprises to price. Low quality products are mixed into the LED headlight market. According to industry insiders, models with relatively large LED usage are concentrated in mid- to high-end auto companies, and these auto companies generally have restrictions on LED brands, and domestic LED companies are more difficult to enter their supply chains. In addition, compared with international famous brands, domestic LEDs may have more problems in terms of life and uniformity of sorting. At the same time, the market regulation of auto lamps itself is strict, the threshold is relatively high, and automobiles are sold as luxury consumer goods. For one-to-one customers, any quality problems will cause complaints. Domestic LEDs have no chance to go through this market for a long time, and it is difficult to meet the LED standards for vehicles. Recently, China's independent automobile brand BYD has already fully involved in the LED industry chain, from the upstream LED epitaxial film to the midstream package, as well as downstream lighting applications, giving full play to BYD's consistent vertical integration advantages. At present, BYD LED research and development team has more than 400 people, and BYD Electric Power Research Institute, Academia Sinica, Engineering Research Institute, and Photonics Research Institute have provided technical support for product design, involving optical testing, thermal testing, and power supply of LEDs. Design and other aspects. Although there are still some problems to be solved in China's LED lamps, the advantages of small LED size, vibration resistance, energy saving and long life make it a very wide application field. At present, the application of domestic LED in automobiles has just started. As a big automobile country, its consumption potential is very huge. Therefore, it is necessary to actively cooperate with upstream and downstream enterprises, and is committed to the integration of automobile industry chain and technology research and development to jointly create a bright future for the domestic LED lighting industry.