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:
Jul. 11, 1995
Filed:
Nov. 25, 1992
Applicant:
Inventors:
Takeshi Sano, Osaka, JP;
Masayuki Fujita, Osaka, JP;
Takanori Fujii, Osaka, JP;
Yoshitaka Nishio, Osaka, JP;
Yuji Hamada, Osaka, JP;
Kenichi Shibata, Wakayama, JP;
Kazuhiko Kuroki, Kyoto, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
428690 ; 428691 ; 428917 ; 313503 ; 313504 ; 313506 ;
Abstract
There is disclosed an electroluminescent (EL) element having an electron injection electrode, a hole injection electrode, and at least one layer therebetween, the layer comprising either a Rhodamine metal complex, a chromone metal complex, an azomethine metal complex, or another metal complex whose ligand is either thiobromine, flaviosin, or acriflavine.
Sano, Takeshi. (1995). Organic electroluminescent element and a method for producing the same (U.S. Patent No. 5432014). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5432014
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile