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:
Nov. 24, 2015
Filed:
Sep. 18, 2013
Applicant:
Cree, Inc., Durham, NC (US);
Inventors:
Nicholas W. Medendorp, Jr., Raleigh, NC (US);
Norbert Hiller, Chapel Hill, NC (US);
Russell G. Villard, Apex, NC (US);
Assignee:
Cree, Inc., Durham, NC (US);
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/29 (2006.01); G02F 1/1335 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133615 (2013.01); G02B 6/0076 (2013.01); G02F 1/133524 (2013.01); G02F 1/133603 (2013.01); G02B 6/0028 (2013.01); G02B 6/0038 (2013.01); G02B 6/0068 (2013.01);
Abstract
A LED lighting device includes at least one waveguide element and multiple light-emitting sources such as LEDs or LED packages, which may be optically coupled though different light entry regions to the at least one waveguide. Multiple light solid state sources may be arranged in strips. A waveguide system includes first and second body structures each positioned to illuminate at least a portion of a target surface. One or more waveguides may be arranged to illuminate a LCD panel.