"New pet" LED lights promotion still needs a transition period


Not long ago, at the Geneva Motor Show, the third generation Audi TTuupue introduced LED headlamps to officially meet with the media. The exquisite LED headlights replaced the original xenon lamp assembly and became a highlight of the auto show.
The year-old flowers are similar, and the years-old cars are different. The development of automotive industry technology is changing with each passing day, and new technologies are constantly replacing old technologies. The direction of the development of the automotive industry is slowly moving towards smart and green. This is also the case with the development of automotive light source technology. In the auto show in recent years, we can see that some models are equipped with a variety of colorful LED lights, which attract the attention of consumers.
LED (Light Emitting Diode), translated as a light-emitting diode, is a semiconductor electronic component capable of emitting light. The LED lights, as the name suggests, refer to the lights that use LEDs as the light source. LEDs have been widely used in the automotive field in recent years due to their high brightness, rich color, low power consumption and long life.
The history of the development of car lights The origin of car lights can be traced back to the end of the 19th century. In 1898, the Columbia electric car used electricity for the headlights and taillights, so that the electric lights were born. After more than a century of evolution, the lights have become an integral part of ensuring safe driving.
Looking at the development of the lights, it is not difficult to see that this is a miniature development history of science and technology. The first generation of car lights was incandescent. In 1913, incandescent bulbs came out. The working principle was that electric current passed through the tungsten wire, and the hot tungsten wire produced light radiation, which made the electric lamp emit bright light. Incandescent lamps brought the automotive lighting revolution. In 1925, electrical lighting was widely used in automobiles.
Turning over the page of incandescent lamps, we came to the era of halogen lamps for the second generation of lights. Halogen lights are actually a new generation of incandescent lamps. If the luminous efficiency of the incandescent lamp is to be increased, the temperature of the tungsten wire is increased, but the sublimation of the tungsten is caused, and the glass is condensed on the glass casing to make it black. The incandescent lamp is filled with a halogen element or a halide, and the blackening phenomenon of the bulb of the incandescent lamp can be eliminated by utilizing the principle of the tungsten halogen cycle. This is the reason for the halogen lamp, officially born in 1960. More traditional than incandescent lights, longer life and more energy efficient. Many car headlamps still use halogen lamps.
In 1991, the era of xenon headlights finally arrived. Xenon lamp, the English abbreviation is HID (High Intensity Dis-chargeLamp), that is, high-intensity gas discharge lamp. Xenon lamps are one of the high-efficiency light sources made by the discharge phenomenon of high-pressure, ultra-high pressure inert gas. It emits twice as much light as a normal halogen lamp, while consuming only 2/3 of its energy and 10 times the life of a conventional halogen lamp. Xenon lamps greatly increase the safety and comfort of driving, and help to ease the tension and fatigue of people driving at night.
After several generations of evolution, it has finally reached the LED light source technology that is now leading the trend of car lights. LED is the abbreviation of LightEmittingDiode, which was born in the 1960s. LEDs have many advantages. Because it is not a thermal illumination source, its service life can reach 5~10 years. In addition, it is rich in color, safe and environmentally friendly, resistant to vibration and impact, and has the advantages of small size and strong environmental adaptability. These characteristics are very attractive in the field of automotive lighting systems. It can be said that the LED light source is an ideal light source. Due to the high cost, technology and regulations, LED is still not mature as a car headlight.
After a century of development, the lights on the car have been used for lighting only from the very beginning, and now used in night vision, decoration and other purposes, I believe that in the near future, there will be more and more advantageous technologies to lead the car. The development of lighting.

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