Stanly Developing Headlamp System Combining Laser and MEMS Scanner to Improve Safe Driving

Advanced LED technology enables innovative automotive lighting including adaptive driving beam (ADB) by which each single LED pixel can be control independently for a wider range of applications. Based on similar concept, Japanese LED maker Stanley proposed an innovative way to combine laser and MEMS (Micro-Electro-Mechanical System) mirror, which allows high precision light and sensing function.

(Image: Stanley)

Stanly uses blue laser light which can be reflected with MEMS mirror and converted into white light with phosphor to build a headlight system. Via reflection with controlled angle of the mirror, light distribution can be formed in different shapes. The segments of brightness control reached 64,000 segment in a 400 (horizontal) x 160 (vertical) grid.

In addition, laser beam scans in high speed creates “planes” of light for driver to ensure visibility in short and long distances. By providing appropriate light distribution to match driving speed with a combination of lasers and the MEMS scanning mirror device, Stanley is assisting drivers to drive safely at night.

For realizing such light distribution of high precision, it is critical to integrate laser beams with advanced optical technologies including lenses and reflectors, plus the supports from mechanical technology.

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