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:
Apr. 11, 2017
Filed:
Jul. 06, 2015
Applicant:
Epistar Corporation, Hsinchu, TW;
Inventors:
Sheng-Shin Guo, Wufeng Township, TW;
Chih-Hsuan Sun, Kaohsiung, TW;
Tien-Min Lin, Hsinchu, TW;
Wei-Yu Yeh, Tainan, TW;
Assignee:
EPISTAR CORPORATION, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/16 (2006.01); F21V 3/00 (2015.01); F21K 99/00 (2016.01); F21V 3/02 (2006.01); F21K 9/90 (2016.01); F21V 29/74 (2015.01); F21V 29/70 (2015.01); F21K 9/232 (2016.01); F21K 9/64 (2016.01); F21V 13/02 (2006.01); F21V 29/507 (2015.01); F21Y 101/00 (2016.01); F21Y 115/10 (2016.01); F21Y 113/13 (2016.01);
U.S. Cl.
CPC ...
F21K 9/135 (2013.01); F21K 9/232 (2016.08); F21K 9/64 (2016.08); F21K 9/90 (2013.01); F21V 29/70 (2015.01); F21V 29/74 (2015.01); F21V 3/02 (2013.01); F21V 13/02 (2013.01); F21V 29/507 (2015.01); F21Y 2101/00 (2013.01); F21Y 2113/13 (2016.08); F21Y 2115/10 (2016.08); Y10T 29/4913 (2015.01);
Abstract
A lamp includes a substrate having a center region and a peripheral region, a first subset of light-emitting devices disposed on the center region, and a second subset of light-emitting devices disposed on the peripheral region. A temperature difference between the center region and the peripheral region is greater than 10 degrees.