According to the classification of light sources, the types of car headlights on the market can be roughly divided into four types: halogen lamps, xenon lamps, LED lamps, and laser lamps. Kerosene lamps, acetylene lamps, and incandescent lamps were initially used. Since the development of LED car headlights in the late 1990s, because of its more energy saving, environmental protection and higher brightness, although there are many applications in high-end brand models, the application market of low-end models is less, and the market prospect is broad.

According to the data from OFweek Industry Research Institute's "2018 LED Automotive Lighting Industry Market Research Report", the overall penetration rate of LED automotive lighting in my country is still low, but the LED penetration rate is increasing year by year, and the penetration rate of LEDs in different parts of the automotive lamps is very different. big.

From the perspective of output value, the output value of the exterior LED market is much larger than that of the interior LED market, and the proportion of the exterior market will be higher and higher in the future. The main reason is that the current market penetration rate of LED interior lighting is already high, and the price decline Greater than the growth rate, and LED exterior lighting such as fog lights, high and low beams, etc. maintain a faster growth rate.