The development of automobile lamps is also closely related to the development of light sources. The light source ranges from kerosene lamps --> acetylene lamps --> incandescent lamps --> halogen lamps --> discharge lamps --> LED lights --> laser lights --> Pixelated light source, it can be said that step by step more and more progress,
The development of car lights has also changed from incandescent lamps --> halogen lamps --> xenon lamps --> LED lights. For example , the Matrix matrix full LED headlight headlight used by a car is a multi-LED light group, which is composed of 37 LED lights. It is composed of daytime running lights, turn signals, low beam lights, high beam lights, and corner lights. Realize enhanced lighting, parking can enhance lighting,
It can be said that the automotive lighting system has shifted from satisfying some basic functions to personalized intelligence and luxury experience. Recently , laser headlights have also come out. The principle is that the blue light of the laser light-emitting diode will penetrate the fluorescent phosphor material in the headlight unit and convert it into a diffused white light, which is brighter and more friendly to the eyes. The advantages of laser headlights over traditional LED headlights are obvious. The luminous intensity of traditional LED headlights is 100 lumens per watt, while laser headlights reach 170 lumens per watt. In other words, the photos are clearer. The BMW X5 is equipped with laser headlights.