The structure of the LED headlights: Similar to the structure of a halogen headlight, LED headlights also require a "bowl" that reflects light and a lens to polymerize it into parallel light. However, due to the large amount of heat generated by the LEDs, there are usually heat pipes and heat sinks in the LED headlight group to dissipate heat, which is similar to the graphics card in the computer. LED headlight structure Audi A8L LED headlight disassembly diagram LED headlight application When it comes to LED headlights, the big guys naturally associate with Audi. This professional car manufacturer has always been at the forefront of the trend of headlight design in major automakers. Audi A6L with 9 LED bulbs and ribbons Audi A5 Audi A4 Up to R8 and down to A3, in Audi's product chain, the models with LED headlights are the most among all manufacturers. Compared to Audi, BMW is “gentle†in LED technology. Their LED components are placed on top of the reflectors of the headlights. They are typical reflective LED headlights. BMW 7 Series For the proud BMW, the laser headlights seem to be the mainstay of the next stage, and the next generation I8 is equipped with laser headlights. BMW I8 with laser headlights to sum up: The LED technology that was originally high has been gradually mastered by major manufacturers. The days of "flying into the homes of ordinary people" are not far away, but LEDs are not the end of headlight technology, "laser headlights" and " OLED headlights". "Technology is rapidly emerging, and it is believed that the days of its widespread application to mass production models are just around the corner.
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Initially the LED can only be made in red, so only the brake light can be used. However, the successful development of the blue LED in the 1990s made it possible to apply it to the headlight group. According to the combination of the three primary colors, in order to emit white light, the blue LED needs to be combined with yellow. So the manufacturers covered the blue LED with a layer of light yellow phosphor coating - white LED was born!
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