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:
Feb. 09, 2010
Filed:
Aug. 06, 2004
Applicant:
Shuichi Takei, Shimosuwa-machi, JP;
Inventor:
Shuichi Takei, Shimosuwa-machi, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/20 (2006.01); H01J 1/62 (2006.01); B05D 5/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An organic EL device includes a cathode, organic luminescent layers, and an electron-injection layer disposed between the cathode and the luminescent layers. The electron-injection layer contains an organic metal complex having a central atom of the same metal element as a constituent element of the cathode. A larger number of ligands than the valence of the central atom of the complex are coordinated to the central atom.