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.
Patent No.:
Date of Patent:
Dec. 05, 2017
Filed:
Mar. 03, 2016
Applicant:
Cree, Inc., Durham, NC (US);
Inventors:
Zongjie Yuan, Libertyville, IL (US);
Corey J. Goldstein, Mt. Pleasant, WI (US);
Kurt S. Wilcox, Libertyville, IL (US);
Assignee:
Cree, Inc., Durham, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); F21V 21/116 (2006.01); F21S 8/08 (2006.01); F21W 131/103 (2006.01); F21V 29/51 (2015.01); F21Y 115/10 (2016.01); F21Y 113/13 (2016.01);
U.S. Cl.
CPC ...
F21V 21/116 (2013.01); F21S 8/086 (2013.01); G02B 6/002 (2013.01); G02B 6/0045 (2013.01); F21V 29/51 (2015.01); F21W 2131/103 (2013.01); F21Y 2113/13 (2016.08); F21Y 2115/10 (2016.08); G02B 6/0036 (2013.01);
Abstract
According to one aspect, an optical waveguide comprises a plurality of coupling cavities for directing light into a waveguide body spaced from a particular point. Further, each of the coupling cavities comprises a dimension that varies with distance from the particular point.