The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 03, 2019

Filed:

Aug. 14, 2017
Applicant:

Bridgelux, Inc., Fremont, CA (US);

Inventors:

Xiaolu Chen, Fremont, CA (US);

Wenhui Zhang, Fremont, CA (US);

Scott West, Fremont, CA (US);

Assignee:

BRIDGELUX INC., Fremont, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 5/04 (2006.01); F21V 7/00 (2006.01); F21S 8/08 (2006.01); G02B 19/00 (2006.01); F21W 131/103 (2006.01); F21V 5/08 (2006.01); F21Y 105/10 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21V 7/0091 (2013.01); F21S 8/086 (2013.01); F21V 5/04 (2013.01); G02B 19/0061 (2013.01); F21V 5/08 (2013.01); F21V 7/0066 (2013.01); F21W 2131/103 (2013.01); F21Y 2105/10 (2016.08); F21Y 2115/10 (2016.08); G02B 19/0028 (2013.01);
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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