US Patent 11181250 Optics for chip-on-board road and area lighting

Patent 11181250 was granted and assigned to Bridgelux, Inc. on November, 2021 by the United States Patent and Trademark Office.

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Edits on 12 Dec, 2023

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Patent abstract

A lamp includes an extended planar light source, and an optical element arranged with the light source, wherein the optical element comprises an outer surface having an indented cusp substantially over the light source. A lamp includes an extended planar light source, and an optical element arranged with the light source, wherein the optical element comprises an outer surface having a portion at a peripheral edge comprising a curvature configured to redirect light emitted from the light source by total internal reflection.

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Patent Inventor Names

Scott West0

Wenhui Zhang0

Xiaolu Chen0

Edits on 21 Jul, 2023