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. 12, 1999
Filed:
Nov. 07, 1994
Applicant:
Inventors:
Norikazu Nakamura, Nagano, JP;
Shinichi Wakabayashi, Nagano, JP;
Assignee:
Shinko Electric Industries Co., Ltd., Nagano, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
428690 ; 428917 ; 428457 ; 428704 ; 313502 ; 313503 ; 313504 ; 313506 ;
Abstract
An organic luminescent material for EL devices comprising a 2-(O-hydroxyphenyl)-benzoxazole or -benzothiazole zinc complex, and an EL device with a luminescent layer containing the material.