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:
Mar. 06, 2018
Filed:
Aug. 01, 2013
Applicant:
Epistar Corporation, Hsinchu, TW;
Inventors:
Hsin-Mao Liu, Hsinchu, TW;
Zong-Xi Chen, Hsinchu, TW;
Min-Hsun Hsieh, Hsinchu, TW;
Chien-Yan Wang, Hsinchu, TW;
Assignee:
EPISTAR CORPORATION, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 33/08 (2006.01); H01L 25/16 (2006.01); H01L 27/15 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0854 (2013.01); H05B 33/0872 (2013.01); H01L 25/167 (2013.01); H01L 27/153 (2013.01); H01L 2924/0002 (2013.01);
Abstract
The present application provides a light-emitting device comprising a first light-emitting diode group; a second light-emitting diode group electrically connected to the first light-emitting diode group in parallel; and a temperature compensation element electrically connected to the second light-emitting diode group in series; and a first switch device connected between the second light-emitting diode group and the temperature compensation element.