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:
Feb. 23, 2010
Filed:
Jul. 25, 2008
June-o Song, Gwangju-si, KR;
Tae-yeon Seong, Gwangju-si, KR;
Joon-seop Kwak, Gyeonggi-do, KR;
Woong-ki Hong, Gwangju-si, KR;
June-o Song, Gwangju-si, KR;
Tae-yeon Seong, Gwangju-si, KR;
Joon-seop Kwak, Gyeonggi-do, KR;
Woong-ki Hong, Gwangju-si, KR;
Abstract
Provided are a top-emitting N-based light emitting device and a method of manufacturing the same. The device includes a substrate, an n-type clad layer, an active layer, a p-type clad layer, and a multi ohmic contact layer, which are sequentially stacked. The multi ohmic contact layer includes one or more stacked structures, each including a modified metal layer and a transparent conductive thin film layer, which are repetitively stacked on the p-type clad layer. The modified metal layer is formed of an Ag-based material.