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From "lighting" to "expression" to unlock the new trend of car lights

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Time of issue:2021-07-01
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(Summary description)After more than 100 years of evolution, car lights have evolved from the age of chemical lights to the era of electric lights. Among them, electric lights have gradually changed from incandescent lamps to halogen lamps, xenon lamps and LED lamps, as well as OLED and laser headlights that can foresee the future.
From the current point of view, LED car lights have become the mainstream of the market due to the advantages of energy saving and easier realization of intelligent management.

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From "lighting" to "expression" to unlock the new trend of car lights

Categories:Industry News
Author:
Origin:
Time of issue:2021-07-01
Views:0

Information

LED has become mainstream in the market, and penetration has soared

From the current point of view, LED car lights have become the mainstream of the market due to the advantages of energy saving and easier realization of intelligent management. According to statistics from relevant agencies, the LED penetration rate has continued to rise in recent years, from 23% in 2018 to 68% in 2020. "In recent years, I have been impressed by the digitalization and market penetration of LEDs, especially the rapid development of the Chinese market." Chris Kirchenbauer said. At the same time, he pointed out that HELLA has not used traditional light sources in the design of headlights or taillights for four to five years, and now all LEDs are used.

In addition to LEDs, OLED and laser car lights have gradually attracted the attention of car companies in recent years. Car companies such as BMW and Audi have launched new cars equipped with laser headlights. Domestic car companies such as BYD have also tried to use through-type OLED taillights in new cars.

Overall, the three technologies have their own advantages and disadvantages. In terms of brightness, they are laser lights, LED lights, and OLED lights in order. In terms of applications, LEDs and lasers are mostly used for headlights, while OLEDs are currently mostly used for taillights. The specific choice depends on the comprehensive consideration of car companies.

In order to further enhance safety, many manufacturers are now incorporating intelligence into it, making the design of car lights more integrated and flexible. As in recent years, ADB adaptive high beam has been gradually favored. For a long time, traditional car headlights are dazzling, which can easily cause dazzling to drivers in the opposite lane when meeting cars at night, laying a hidden danger for driving safety. ADB is an intelligent high-beam control system that can adaptively change the high-beam type according to the road conditions. It can judge the position and distance of the vehicle ahead through the input of the video camera signal, and adjust the light irradiation area accordingly, turn off or adjust Darken the lights in the area of the opposite vehicle to avoid glare to the oncoming vehicle, and at the same time to maximize the driver's vision requirements.

A head of an automotive lighting company told Gasgoo that ADB is currently mainly used in luxury cars, and the current penetration rate in China is relatively low. However, with the rapid development of smart cars and the increased safety requirements of regulations, the next few years will be There will be a lot of room for growth. Some institutions predict that the ADB market space is expected to reach 24 billion yuan in 2023.

In addition, the integration of intelligence also simplifies many complex light sources, and can cope with different road conditions and different regulatory requirements. For example, HELLA has mass-produced the SSL 100 lighting system. It is understood that the system can provide up to 102 pixels and each pixel can be individually activated. This allows vehicle companies to use software without modifying the hardware architecture. It can be flexibly adjusted to ensure the specified light distribution. It can meet the relevant requirements of light distribution in different countries around the world, and replace up to 12 different regional versions of headlamps.

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