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. 30, 1993
Filed:
Nov. 25, 1991
Applicant:
Inventors:
Assignee:
Sharp Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01S / ;
U.S. Cl.
CPC ...
257200 ; 257201 ; 372 43 ; 372 44 ;
Abstract
An electroluminescent device of compound semiconductor which is made of II-IV compound semiconductor to be in pn junction type, wherein n layer of the pn junction part comprises a II-VI compound semiconductor layer containing comprises a II-VI compound semiconductor layer containing zinc as an essential composite element and p layer of the pn junction part comprises a II-VI compound semiconductor layer having an epitaxial layer containing M, Be and Te (wherein M is Cd or Zn) as an essential composite element.