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. 07, 2012
Filed:
Dec. 20, 2007
Applicants:
Tetsuya Kosuge, Kawasaki, JP;
Akihiro Senoo, Kawasaki, JP;
Hiroki Ohrui, Kawasaki, JP;
Masanori Muratsubaki, Hachioji, JP;
Inventors:
Tetsuya Kosuge, Kawasaki, JP;
Akihiro Senoo, Kawasaki, JP;
Hiroki Ohrui, Kawasaki, JP;
Masanori Muratsubaki, Hachioji, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 221/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A novel azafluorene derivative and an organic light-emitting device having the derivative are provided. The organic light-emitting device includes a pair of electrodes composed of an anode and a cathode one of which is a transparent or semi-transparent electrode, and an organic compound layer interposed between the pair of electrodes. The organic compound layer contains the azafluorene derivative represented by the following general formula (I):