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:
Aug. 08, 2017
Filed:
Feb. 08, 2016
Applicant:
Cree, Inc., Durham, NC (US);
Inventors:
Yuequan Hu, Cary, NC (US);
Qingcong Hu, Morrisville, NC (US);
Assignee:
Cree, Inc., Durham, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/00 (2006.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0845 (2013.01); H05B 33/0812 (2013.01); H05B 33/0815 (2013.01);
Abstract
A solid state light fixture includes a light emitting diode (LED) load and a driver circuit that selectively provides one of a switched-mode drive current and a linear-mode drive current to the LED load in response to a dimming control signal.