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:
Dec. 02, 2014
Filed:
Apr. 04, 2013
Applicant:
Samsung Electronics Co., Ltd., Suwon-Si, Gyeonggi-Do, KR;
Inventors:
Assignee:
Samsung Electronics Co., Ltd., Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 33/12 (2010.01);
U.S. Cl.
CPC ...
H01L 33/0079 (2013.01); H01L 33/12 (2013.01);
Abstract
A light emitting device (LED) includes a stress control layer having a compressive stress on a substrate, a bonding layer on the stress control layer, a semiconductor layer on the bonding layer and including an active region for emitting light on the bonding layer, a first electrode on a lower surface of the substrate, and a second electrode on the semiconductor layer. The compressive stress of the stress control layer is between about 1 and about 20 GPa.