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:
Mar. 29, 2011
Filed:
Jun. 12, 2008
Applicants:
Taiki Watanabe, Akishima, JP;
Kazunori Ueno, Miyaki-gun, JP;
Yohei Iwasaki, Kawasaki, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is an organic electroluminescent device that brings together a high efficiency, high durability, and a high color purity. The organic electroluminescent device includes an anode, a cathode, and a layer including an organic compound interposed between the anode and the cathode, in which the layer contains at least one organic germanium compound having two or more fluorenyl groups per one germanium atom.