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:
Mar. 31, 2015
Filed:
Jan. 29, 2014
Lg Innotek Co., Ltd., Seoul, KR;
BumDoo Park, Seoul, KR;
TaeJin Kim, Seoul, KR;
MinSuk Kim, Seoul, KR;
YeongUn Seong, Seoul, KR;
SangJun Lee, Seoul, KR;
TaeYong Lee, Seoul, KR;
KiYong Hong, Seoul, KR;
SonKyo Hwang, Seoul, KR;
LG Innotek Co., Ltd., Seoul, KR;
Abstract
Disclosed is a light emitting device including a conductive substrate, a first electrode layer disposed on the conductive substrate, a light emitting structure disposed on the first electrode layer, the light emitting structure including a first semiconductor layer, a second semiconductor layer, and an active layer disposed between the first semiconductor layer and the second semiconductor layer, and a second electrode layer electrically connected to the second semiconductor layer, wherein the first electrode layer includes a transparent electrode layer disposed between the conductive substrate and the first semiconductor layer, and an ohmic layer comprising a plurality of metal contact portions vertically passing through the transparent electrode layer, wherein each metal contact portion includes AuBe.