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How effective are BMW's laser headlights?

1 Answers

LeKennedy

07/30/25 4:51am

With a maximum range of 600 meters (limited to 450 meters domestically in China), it far surpasses existing LED and xenon headlights. Here are the specific details: 1. Advantages of LED headlights: Energy-efficient and compact in size, yet fundamentally, they are still scattered light sources. However, since current LEDs are COB (Chip on Board, meaning they are soldered onto circuit boards), the circuit board itself restricts LEDs to emit light only upwards, resulting in slightly better energy efficiency for LEDs. 2. Laser headlights: Laser is currently the only non-divergent light source among artificial light sources. Automotive headlights aim for long-distance visibility, minimal divergence, and low energy consumption. Laser is the most ideal artificial light source, offering completely direct illumination. BMW's laser headlights also require controlled scattering of the laser light source and reflection onto the road.

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