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:
Oct. 14, 2014
Filed:
Nov. 10, 2011
Applicants:
Kyong Jun Kim, Seoul, KR;
Joo Hyang Park, Seoul, KR;
Inventors:
Kyong Jun Kim, Seoul, KR;
Joo Hyang Park, Seoul, KR;
Assignee:
LG Innotek Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 33/14 (2010.01); H01L 33/38 (2010.01); H01L 33/20 (2010.01);
U.S. Cl.
CPC ...
H01L 33/382 (2013.01); H01L 33/20 (2013.01); H01L 33/145 (2013.01);
Abstract
A light emitting device according to the embodiment includes a first conductive semiconductor layer; an active layer under the first conductive semiconductor layer; a second conductive semiconductor layer under the active layer; a current blocking region under the second conductive semiconductor layer; a second electrode layer under the second conductive semiconductor layer and the current blocking region; and a first electrode layer including a protrusion protruding toward the first conductive semiconductor layer arranged, on the first conductive semiconductor layer.