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:
Sep. 02, 2014
Filed:
Jan. 14, 2009
Applicant:
Sang Hoon Han, Gwangju, KR;
Inventor:
Sang Hoon Han, Gwangju, KR;
Assignee:
LG Innotek Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 33/02 (2010.01); H01L 33/12 (2010.01); H01L 33/32 (2010.01);
U.S. Cl.
CPC ...
H01L 33/025 (2013.01); H01L 33/12 (2013.01); H01L 33/32 (2013.01);
Abstract
Provided is a semiconductor light emitting device. The semiconductor light emitting device comprises a first conductive type clad layer having a composition ratio of aluminum increased at a predetermined rate, an active layer on the first conductive type clad layer, and a second conductive type semiconductor layer on the active layer.