What About The Car Lights?

- Nov 11, 2018 -

The development of automobile lighting technology in these years can be said to be rapid and rapid. Zhang, a teacher at the wantong auto repair school in hunan province, said that when traditional halogen lamps, which have been used for decades, were still the main force of the market, the high-end xenon headlights and more high-tech LED headlights began a revolution in car lighting. Today, laser headlights are back on the market.



When it comes to lasers, most people's first impression is one of fear, reminiscent of Star Wars scenes. Perhaps the most common use of lasers in our lives is in medicine. Actually the lamps light source, Laser diode Laser (Laser diode) and light emitting diode (LED), was born at the same time, almost though large-scale commercial application of Laser diode than LED a little later, but its application range is more extensive, measuring, electronics, communications, medical, processing and other industries have a Laser diode.



A careless, laser headlamp has now entered the mass production stage. Both BMW's i8 and the new 7-series have included laser headlights in their options, while audi, the traditional "light factory", is about to equip its new car with laser headlights. Laser headlights have most advantages of LED headlights, such as fast response speed, low brightness attenuation, small size, low energy consumption and long life. Compared to the LED headlight lamps laser has advantages in lower especially in terms of volume, the length of a single laser diode element has been able to do 10 microns, a conventional LED element size 1/100, this means that as long as the designer is willing to, the size of the traditional automobile headlamps can be significantly narrowed, perhaps this will bring the design of the auto front face elements proportion revolutionary change.



Laser headlight is another significant advantage in terms of luminous efficiency, such as general LED light luminous efficiency may reach about 100 lumens per watt, so laser diode element can reach about 170 lumens per watt, which means that, when the same lighting conditions, using the laser energy is less than 60% of the LED headlight lamps, further reducing the energy consumption, more in line with the future trend of energy conservation and environmental protection


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