The automotive LED headlamp has so many obstacles and difficulties in the process of development, but all the manufacturers are trying to drive the development of LED. Obviously, the automotive LED lamp has so many advantages. The new light source is able to provide the car with flexibility and personalization, besides, the light efficiency of the LED light is similar with the HID light; therefore, the traditional light will be cleaned out from the market sooner or later. The chromatography of LED is the same with sunlight, which makes the effectiveness of the reflection higher than the other lights. Drivers can see the obstacles from far away with this kind of light. Experts also maintain that road signals always use the passive glow reflection; therefore, the LED can make the driver see the signals as it always in the daytime.
The Daytime Running Light rules, which is passed by the Europe union, fixes that automobiles should use the headlamp even in the daytime. This regulation makes the low power consumption, and long service life of LED light outstanding. The LED headlight does