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:
Mar. 17, 1992
Filed:
Nov. 30, 1990
Applicant:
Inventor:
Shaw Ehara, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 17 ; 357-2 ; 357 16 ; 357 10 ; 357 61 ;
Abstract
A blue light emitting display element has a hetero p-n junction type light emitting layer formed between a semiconductor layer of a II-VI or III-V semiconducting compound having a wide energy bandgap and a highly electroconductive amorphous silicon type semiconductor layer which is of opposite conduction type and capable of forming a substantially ohmic contact with the semiconducting compound.