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. 03, 2013
Filed:
Jul. 01, 2011
Kwang Ki Choi, Seoul, KR;
Hwan Hee Jeong, Seoul, KR;
Ji Hyung Moon, Seoul, KR;
Sang Youl Lee, Seoul, KR;
June O Song, Seoul, KR;
SE Yeon Jung, Seoul, KR;
Tae-yeon Seong, Seoul, KR;
Kwang Ki Choi, Seoul, KR;
Hwan Hee Jeong, Seoul, KR;
Ji hyung Moon, Seoul, KR;
Sang Youl Lee, Seoul, KR;
June O Song, Seoul, KR;
Se Yeon Jung, Seoul, KR;
Tae-Yeon Seong, Seoul, KR;
LG Innotek Co., Ltd., Seoul, KR;
Abstract
Provided are a light emitting device, a method of manufacturing the same, a light emitting device package, and a lighting system. The light emitting device includes: a light emitting structure layer including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; an oxide protrusion disposed on at least a portion of the second conducive semiconductor layer; and a current spreading layer on the second conductive semiconductor layer and the oxide protrusion.