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:
Dec. 09, 2003
Filed:
Sep. 20, 2001
Applicant:
Inventors:
Yoshiharu Sato, Kanagawa, JP;
Hideki Sato, Kanagawa, JP;
Assignee:
Mitsubishi Chemical Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 3/312 ;
U.S. Cl.
CPC ...
H05B 3/312 ;
Abstract
An organic electroluminescent device comprising an anode, an organic luminescent layer, an electron transport layer and a cathode formed in this order on a substrate, wherein said electron transport layer contains an electron-transporting material and an alkaline metal, at least a part of said alkaline metal is dispersed in said electron transport layer in the form of cation, and said cathode is made of silver or silver alloy.