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| Teach you five minutes to understand how to choose LED lights |
| Posted by£º Published£º2022/4/8 Read£º631´Î |
Car headlights can be described as the eyes of a car. It is not only related to the external appearance of a model, but also closely related to night driving and safe driving in adverse weather environments. As the current development trend of automotive lighting and the "fashion darling" of the automotive lighting industry, LED automotive lighting occupies an increasingly important proportion in both the original vehicle and the modified market. While LED car lights are recognized and accepted by many car owners, more car owners are confused about how to choose LED car lights. After reading this article in five minutes, how to choose LED car lights will be solved immediately.
What are LED headlights? How did it come about? LED car lights refer to car lights that use LEDs (light emitting diodes) as light sources, and their development is directly related to the development of LED light sources. The phenomenon of semiconductor electroluminescence was discovered as early as 1907, but due to the weak light, mass production was difficult and expensive. It was not until the invention of high-brightness LEDs in the early 1990s that the technology and mass production paved the way for the LEDization of automotive light sources.
In 1985, LED car signal lights first appeared on passenger cars. In 1986, the use of LED high-position brake lights on Nissan 300zx vehicles marked the official beginning of the era of LED car lights. After China's entry into the WTO in 2001, the production of automobiles has experienced a blowout growth. The world's major automobile companies have set up factories in China. The rapid rise of independent automobile brands has stimulated the development of LED lights in China. At present, the key research direction of LED automotive lamps is white LED headlamps, and the combination of LED lamps and AFS (Adaptive Vehicle Lighting Control System). With the popularity of LED lights and the steady decline in prices, not only luxury models in the vehicle market, but also many models with a price of more than 100,000 to 200,000 yuan are also generally equipped with LED lights.
What are the advantages and disadvantages of LED lights? Compared with traditional halogen lights and xenon lights, LED lights have four main advantages. The first high brightness and light color can be adjusted. The color temperature of xenon lamps is usually 4000K to 5000K, while the color temperature of LED lights usually reaches 6000K. 6000K is the daylight color closer to noon, and the bright white light makes the eyes feel more comfortable. In addition, the LED lamp designer can adjust the brightness and light color according to the needs, and the lamp mode can be changed at will, making the shape more fashionable and diverse. Second, energy saving and environmental protection, long service life. LED lights require low voltage and current under the same brightness, so they are more energy-efficient and have a longer service life than traditional halogen lamps and xenon lamps. The third LED element is small in size and light in weight. The lamps are more flexible in design, with higher luminous purity and clearer and brighter colors. The fourth security is outstanding. There is no delay in the lighting of the headlights. Compared with the xenon lamps, the response time is faster, and the faster response time can make the driver in the rear respond earlier; The purpose of reducing traffic accidents. |
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