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:
Sep. 21, 1993
Filed:
Apr. 17, 1992
Applicant:
Inventors:
Yoshiharu Sato, Sagamihara, JP;
Shigenori Otsuka, Omiya, JP;
Assignee:
Mitsubishi Kasei Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
313504 ;
Abstract
An organic electroluminescent device having an anode, an organic hole injection transport layer, an organic luminescent layer and a cathode formed sequentially in this order, wherein the organic hole injection transport layer contains a metal complex and/or a metal salt of an aromatic carboxylic acid.
Sato, Yoshiharu. (1993). Organic electroluminescent device (U.S. Patent No. 5247226). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5247226
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile