Integrated optical system for dynamic diffuse and directional lighting

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United States of America Patent

PATENT NO 11946621
APP PUB NO 20230258317A1
SERIAL NO

18140382

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Abstract

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An illumination system can produce a dynamically variable illumination pattern. The illumination system can include a light guide. The illumination system can include projection optics, which can contribute to the illumination pattern at relatively low beam angles (i.e., beam angles formed with respect to a surface normal of the light guide). The projection optics can include individually addressable light-producing elements that can direct light through one or more focusing elements. A controller can control which of the light-producing elements are electrically powered and can therefore control the illumination pattern contribution from the projection optics. The illumination system can also include scattering optics, which can contribute to the illumination pattern at relatively high beam angles. The scattering optics can direct light out of the light guide over a relatively large surface area, which can help reduce glare when the light guide is viewed directly.

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Patent Owner(s)

  • LUMILEDS LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sillevis, Smitt Johannes Willem Herman San Jose, US 13 32
Soer, Wouter Utrecht, NL 32 51

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