This project belongs to the key technology of efficient integration of high-power LED light sources in semiconductor lighting engineering and the field of automotive lighting application technology.  As a light source for new energy vehicle lights, high-power LEDs have obvious advantages in energy conservation, environmental protection, and design freedom compared with traditional halogen tungsten lamps and HID lamps. In foreign countries, Lexus and Audi have launched LED headlamps, but due to relatively large power consumption, high cost, and heat dissipation problems that have not been completely solved, they have not yet been applied in China due to technical bottlenecks. Since 2006, we have conducted research on key technologies such as packaging and efficient integration of high-power LED light sources, automotive lighting light distribution, circuit control, and heat dissipation. We have made major breakthroughs and achieved innovative research results with independent intellectual property rights. The main technical contents include: 1. Propose a collimating system for total reflection of LED light with theoretical lossless light efficiency with asymmetric and symmetrical structures. The asymmetric collimation system divides all beams emitted by the high-power LED light source into two paths for collection; the symmetric collimation system divides the beams emitted by the high-power LED light source into four paths for collection; the common purpose of the two is to efficiently integrate the beams of the high-power LED light sources exit in the designated direction to achieve efficient utilization of the beams;  2. An LED light source suitable for automotive lighting was proposed, and experimental research was carried out on the light source structures of COB packages distributed with 2×2 and 1 ×4 chips respectively, completing the separation of far and far light and far light and the integrated combination of far and far light headlight products; the original 2×2 and 1×4 chip distributed COB package light source structures are combined to form a far and far light separated headlight, which allows the high beam to consume only 6 W to meet the lighting standard requirements; the low beam to meet the lighting standard requirements with only 12 W; the low beam can meet the lighting standard requirements;  3. It has exclusively designed the light distribution design of the headlamp system with a total reflection structure of a low beam optical system structure and a high beam combination of catadioptric structure; adopts a combination of reflectors, prisms and aspheric lenses to design the light distribution structure; The integrated headlamp system structure with a total reflection of a combination of high beam and low light has successfully solved the light distribution design problem of high-power LED automotive headlights. It has the characteristics of high light energy utilization rate, high illumination at key points, clear low beam cut-off line, and small optical system structure;   4. Optimize the control circuit design to improve the circuit's ability to resist electromagnetic interference, anti-static electricity and resist peak current, and provide stable input characteristics for the normal operation of the LED chip. Through special circuit design and component selection, the power supply conversion efficiency is improved. More than 95%, minimizing the reactive power loss of components; the PWM switch circuit, MOSFET output circuit and its servo circuit were designed for the first time to provide constant current for the stable operation of the LED;  5. Research the evaporative cooling and heat pipe heat dissipation system, establish a data model for analysis and verification of the heat dissipation system, further reduce the temperature of the light source substrate, further improve the efficiency of the lamp, and reduce the light attenuation. The original evaporative cooling and heat pipe technology effectively controls the temperature rise of high-power LED light sources under normal use conditions and overcomes the heat dissipation problem of LED headlamps.  6. With the goal of high performance and low cost, develop corresponding production line processes and manufacturing processes, including evaporative surface treatment, seal welding, etc. This project has authorized 11 inventions and 22 utility models. The product has been tested to comply with national standards by the Jiangsu Province Vehicle Lighting Product Supervision and Inspection Center and the National Car Quality Inspection Center. It has been applied by Suzhou Jinlong, South Korea Daewoo, Zhengzhou Yutong, etc., and has been recognized. The total investment of the project is 82 million yuan, the application result transformation fund is 8 million yuan, and the local matching fund is 3 million yuan. The successful implementation of this project will help enhance the competitiveness of my country's automotive LED lighting industry in domestic and foreign markets, and is of great significance to the upgrading of automotive lighting products, promoting the development of the new energy vehicle industry, and promoting energy conservation and emission reduction.