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. 17, 2009
Filed:
Dec. 18, 2007
Joon-seop Kwak, Gyeonggi-do, KR;
Tae-yeon Seong, Gwangju-si, KR;
June-o Song, Gwangju-si, KR;
Samsung Electro-Mechanics Co., Ltd., Suwon-Si, Gyeonggi-Do, KR;
Gwangju Institute of Science and Technology, Buk-Gu, Gwangju-Si, KR;
Abstract
Provided are a reflective electrode and a compound semiconductor light emitting device, such as an LED or an LD, including the same. The reflective electrode, which is formed on a p-type compound semiconductor layer, includes: a first electrode layer forming an ohmic contact with the p-type compound semiconductor layer; a second electrode layer disposed on the first electrode layer and formed of transparent conductive oxide; and a third electrode layer disposed on the second electrode layer and formed of an optical reflective material.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile