What is a car headlight beam
automobile headlight beam refers to the light beam emitted by the automobile headlights, whose design and function have an important impact on the safety and driving experience at night. Modern automotive headlight beam mainly uses LED technology, which has the characteristics of high brightness, high resolution and intelligent adjustment.
Geometric multi-beam LED headlights
Geometric multi-beam LED headlights are an advanced automotive lighting technology that uses multiple independent LED point sources, each headlight usually contains 84 LED point sources. These point sources can be independently adjusted in brightness and phase for precise illumination of the area ahead. Geometric multi-beam headlights have the following features and advantages:
high-precision light control capability : can automatically adjust the light distribution, avoid causing glare to other traffic participants, improve driving safety .
Dynamic response speed : calculate and present the ideal light in milliseconds, adapt to a variety of driving environment .
High resolution : The resolution of the light pattern is 3.5 times higher than that of traditional headlights, providing clearer and more precise illumination .
intelligent anti-glare function : automatically adjust the brightness and irradiation range of the light, to avoid the opposite driver by glare interference .
Specific application case
Taking the Porsche Taycan as an example, its high-resolution matrix-beam LED headlights have more than 32,000 individual pixels, a maximum illumination distance of 600 meters, and support a variety of intelligent lighting functions, including anti-glare high beams, lane lightening, dynamic corner lights .
These features not only enhance the safety of driving at night, but also enhance the comfort and experience of driving.
The main function of the car headlamp beam is to provide lighting and ensure the safety of driving at night or under the condition of insufficient light . Specifically, headlight beams illuminate the road ahead by casting light, helping drivers see the road ahead clearly, thereby avoiding collisions and other potential hazards .
The role of different types of headlight beams
outline light : The outline light is mainly used to enable other vehicles to clearly see the width and outline of vehicles in the evening to ensure driving safety. However, the profile lights have a limited lighting range and cannot provide adequate road lighting .
headlights : Headlights are the most important lighting equipment in the car. High beam irradiation distance is far, suitable for dark road without street lamp; The near-light irradiation distance is close, suitable for urban roads and night driving, to avoid causing glare to the driver .
fog lights : fog lights have a strong penetration, especially suitable for heavy fog weather, to ensure that vehicles and pedestrians early detection .
Geometric multi-beam LED headlight : This headlight uses a high-resolution LED module to provide more accurate and brighter lighting effects. Its evenly distributed light does not cause glare to other road participants, and it has excellent dynamic response capabilities, significantly improving the safety and comfort of driving .
intelligent HD projection headlight : for example, the intelligent HD projection headlight of WEilai ET9 supports interactive functions such as zebra crossing projection and turning light blanket, which can provide ultra-far and ultra-wide lighting coverage, achieve accurate light control, and further improve driving safety and convenience .
Suggestions for the use of headlight beams in different scenarios
At night or in low light : turn on the low light to ensure that the road ahead is clearly visible. Low light is recommended when crossing a railway crossing or returning to a busy street.
Bad weather such as fog, snow or heavy rain : even during the day, fog lights or low light should be turned on to ensure adequate lighting and safety .
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