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. 12, 2015
Filed:
Jul. 31, 2012
Applicants:
Jung Hun Jang, Seoul, KR;
Jeong Sik Lee, Seoul, KR;
Seung Keun Nam, Seoul, KR;
Inventors:
Assignee:
LG Innotek Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/02 (2006.01); H01L 33/32 (2010.01); H01L 33/00 (2010.01); H01L 33/12 (2010.01);
U.S. Cl.
CPC ...
H01L 33/32 (2013.01); H01L 33/007 (2013.01); H01L 33/12 (2013.01); H01L 2924/0002 (2013.01); H01L 2224/48091 (2013.01); H01L 2224/48247 (2013.01);
Abstract
Disclosed are a light emitting device, a method of manufacturing the light emitting device, a light emitting device package and a lighting system. The light emitting device includes a silicon substrate; a nitride buffer layer on the silicon substrate; and a gallium nitride epitaxial layer on the nitride buffer layer, wherein the nitride buffer layer includes a first nitride buffer layer having a first aluminum nitride layer on the silicon substrate and a first gallium nitride layer on the first aluminum nitride layer.