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:
Jan. 20, 1998
Filed:
Feb. 12, 1996
Applicant:
Inventors:
Hiroaki Okagawa, Itami, JP;
Takayuki Hashimoto, Kuga-gun, JP;
Keiji Miyashita, Itami, JP;
Tomoo Yamada, Itami, JP;
Kazuyuki Tadatomo, Itami, JP;
Assignee:
Mitsubishi Cable Industries, Ltd., Hyogo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
257 96 ; 257 94 ; 257103 ;
Abstract
A semiconductor light emitting element comprising an n-type semiconductor substrate and a light emitting part comprising an n-type cladding layer composed of an InGaAlP compound semiconductor material, an active layer and a p-type cladding layer formed in that order from the substrate side by double heterojunction, wherein said semiconductor light emitting element satisfies at least one of the following conditions: