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:
Jul. 11, 2017
Filed:
Mar. 03, 2010
Applicants:
Jeung MO Kang, Suwon-si, KR;
Du Hyun Kim, Seoul, KR;
Jae Wook Kim, Seoul, KR;
Jeong Hyeon Choi, Seoul, KR;
Inventors:
Jeung Mo Kang, Suwon-si, KR;
Du Hyun Kim, Seoul, KR;
Jae Wook Kim, Seoul, KR;
Jeong Hyeon Choi, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 33/20 (2010.01); H01L 33/38 (2010.01); H01L 33/14 (2010.01);
U.S. Cl.
CPC ...
H01L 33/20 (2013.01); H01L 33/14 (2013.01); H01L 33/385 (2013.01); H01L 33/382 (2013.01); H01L 2224/48091 (2013.01);
Abstract
Provided are a light emitting device, a light emitting device package and a lighting system including the same. The light emitting device (LED) comprises a substrate, a 5 second conductive type semiconductor layer, an active layer, a first conductive type semiconductor layer and a first electrode. The vertical distances between the first conductive type semiconductor layer and the second conductive type semiconductor layer are varied.