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:
Apr. 16, 2013
Filed:
Jul. 07, 2011
Applicants:
Yong Tae Moon, Seoul, KR;
Jeong Sik Lee, Seoul, KR;
Dae Seob Han, Seoul, KR;
Inventors:
Assignee:
LG Innotek Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/04 (2006.01); H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light emitting device, a light emitting device package, and a lighting system are provided. The light emitting device includes a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first and second conductive type semiconductor layers. The active layer includes a first active layer adjacent to the second conductive type semiconductor layer, a second active layer adjacent to the first conductive type semiconductor layer, and a gate quantum barrier between the first and second active layers.