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. 18, 2015
Filed:
Mar. 25, 2013
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventors:
Hyun chul Lim, Seoul, KR;
Jae Hoon Choi, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/14 (2010.01); H01L 33/00 (2010.01); H01L 33/32 (2010.01); H01L 33/06 (2010.01);
U.S. Cl.
CPC ...
H01L 33/145 (2013.01); H01L 33/007 (2013.01); H01L 33/06 (2013.01); H01L 33/14 (2013.01); H01L 33/32 (2013.01);
Abstract
A light emitting device is disclosed. The light emitting device includes a first-conductive-type semiconductor layer, a second-conductive-type semiconductor layer, and an active layer interposed between the first-conductive-type semiconductor layer and the second-conductive-type semiconductor layer. The second-conductive-type semiconductor layer includes an electron blocking region closely disposed to the active layer and having a pattern with a plurality of elements spaced apart from each other.