The technology brings to the car is the continuous extension of the electrification and intelligent direction, the variety of vehicle display products has increased significantly, and the car display has gradually become one of the three categories that drive the growth of global small and medium-sized panel demand. The mechanical instrument of the traditional automobile has only a small amount of information output, and has a single function and simple information display. With the informationization and intelligence of the automobile, the designer integrates the original distributed information display, thus giving birth to a large-screen interactive Touch needs. Technically speaking, liquid crystal products with large size and high specification appear in large numbers in automobiles.