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:
May. 19, 2015
Filed:
Aug. 20, 2013
Applicant:
Epistar Corporation, Hsinchu, TW;
Inventors:
Rong-Ren Lee, Hsinchu, TW;
Chien-Fu Huang, Hsinchu, TW;
Shih-Chang Lee, Hsinchu, TW;
Yi-Ming Chen, Hsinchu, TW;
Shiuan-Leh Lin, Hsinchu, TW;
Assignee:
EPISTAR CORPORATION, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/06 (2010.01); H01L 33/04 (2010.01);
U.S. Cl.
CPC ...
H01L 33/04 (2013.01); H01L 33/06 (2013.01);
Abstract
A light-emitting device disclosed herein comprises a substrate, an active layer formed on the substrate and including a first quantum well, a second quantum well and a barrier layer disposed between the first quantum well and the second quantum well. The barrier layer includes a first region adjacent to the first quantum well, a third region adjacent to the second quantum well and a second region disposed between the first region and the third region and comprising Sb.