Lighting device with light sources positioned near the bottom surface of a waveguide

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United States of America Patent

PATENT NO 10025026
APP PUB NO 20160161668A1
SERIAL NO

15016019

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Abstract

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A device according to embodiments of the invention includes a waveguide, typically formed from a first section of transparent material. A light source is disposed proximate a bottom surface of the waveguide. The light source comprises a semiconductor light emitting diode and a second section of transparent material disposed between the semiconductor light emitting diode and the waveguide. Sidewalls of the second section of transparent material are reflective. A surface to be illuminated is disposed proximate a top surface of the waveguide. In some embodiments, an edge of the waveguide is curved.

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Patent Owner(s)

Patent OwnerAddress
LUMILEDS LLC370 WEST TRIMBLE ROAD SAN JOSE CA 95131

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bierhuizen, Serge J San Jose, US 40 1166

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