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:
May. 12, 1992
Filed:
Sep. 01, 1989
Applicant:
Inventors:
Masahiko Kitagawa, Nara, JP;
Yoshitaka Tomomura, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 17 ; 357 16 ; 313506 ;
Abstract
A compound semiconductor luminescent device is disclosed which comprises a semiconductor substrate and a multi-layered structure disposed on the substrate, the multi-layered structure comprising at least one conductive layer, a luminescent layer, and a current injection layer, wherein the substrate and the layers are made of at least one kind of II-VI group compound semiconductor.