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:
Dec. 10, 2013
Filed:
Feb. 22, 2011
Applicants:
Hyun Min Choi, Seoul, KR;
Sun Kyung Kim, Seoul, KR;
Woon Kyung Choi, Seoul, KR;
Inventors:
Assignee:
LG Innotek Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/46 (2010.01); B82Y 20/00 (2011.01);
U.S. Cl.
CPC ...
Abstract
Provided are a light emitting device and a light emitting device package. The light emitting device includes a transparent substrate, a light emitting structure, and a first reflection layer. The light emitting structure includes a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer that are disposed on a top surface of the substrate. The first reflection layer is disposed on a bottom surface of the substrate. The bottom surface of the substrate has a surface roughness of about 1 nm to about 15 nm in root mean square (RMS) value.