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:
Oct. 10, 2006
Filed:
Dec. 16, 2004
Applicants:
Doo Go Baik, Seoul, KR;
Bang Won OH, Kyungki-do, KR;
Hak Kyu Kim, Kyungki-do, KR;
Inventors:
Assignee:
Samsung Electro-Mechanics Co., Ltd., Kyungki-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light emitting diode (LED) includes a substrate, a first conductive clad layer formed on the substrate, an active layer formed on the first conductive clad layer, a second conductive clad layer formed on the active layer, an alumina (AlO) layer formed on the lower surface of the substrate, and an aluminum layer formed on the lower surface of the alumina (AlO) layer. The substrate may be removed, and the aluminum layer and the alumina layer are formed directly on the lower surface of the first conductive clad layer.