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. 14, 2012
Filed:
Jan. 09, 2009
Nobuaki Matsui, Kyoto, JP;
Yasuo Nakanishi, Kyoto, JP;
Nobuaki Matsui, Kyoto, JP;
Yasuo Nakanishi, Kyoto, JP;
Rohm Co., Ltd., , JP;
Abstract
A semiconductor light emitting device includes a first metal layer placed on the p-type semiconductor layer on the substrate, and includes a first pattern width W; a second metal layer on the first metal layer; a transparent electrode layer on the second metal layer and the p type semiconductor layer, and has an opening patterned with a second pattern width Won the second metal layer; an insulating film the transparent electrode layer and the second metal layer, and has an opening patterned with third pattern width Won the second metal layer; a reflective stacked film on the insulating film, and has an opening patterned with third pattern width Won the second metal layer; a third metal layer on the second metal layer of an opening patterned with the reflective stacked film and third pattern width W; and a fourth metal layer on the third metal layer.