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. 24, 2000
Filed:
Feb. 03, 1999
Applicant:
Inventors:
Isao Kidoguchi, Mino, JP;
Hideto Adachi, Mino, JP;
Akihiko Ishibashi, Sakai, JP;
Kiyoshi Ohnaka, Moriguchi, JP;
Yuzaburo Ban, Osaka, JP;
Minoru Kubo, Nabari, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
438 38 ; 438 46 ; 438 47 ; 438507 ; 257 13 ; 372 44 ;
Abstract
A semiconductor light-emitting device with a double hetero structure, including: an active layer made of Ga.sub.1-x In.sub.x N (0.ltoreq.x.ltoreq.0.3) doped with a p-type impurity and an n-type impurity; and first and second cladding layers provided so as to sandwich the active layer.