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. 14, 2015
Filed:
Mar. 14, 2013
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventors:
Oh Min Kwon, Seoul, KR;
Jong Hak Won, Seoul, KR;
Kwang Sun Baek, Seoul, KR;
Heon Jin Seo, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 33/32 (2010.01); H01L 33/12 (2010.01); H01L 33/58 (2010.01);
U.S. Cl.
CPC ...
H01L 33/32 (2013.01); H01L 33/12 (2013.01); H01L 33/58 (2013.01);
Abstract
Disclosed is a light emitting device including a substrate, a buffer layer on the substrate, and a light-emitting structure on the buffer layer. The buffer layer has a refractive index decreased toward the substrate from the light-emitting structure.