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:
Oct. 11, 2011
Filed:
Mar. 14, 2007
Applicants:
Satoshi Igawa, Fujisawa, JP;
Shinjiro Okada, Kamakura, JP;
Takao Takiguchi, Tokyo, JP;
Masashi Hashimoto, Tokyo, JP;
Naoki Yamada, Tokyo, JP;
Inventors:
Satoshi Igawa, Fujisawa, JP;
Shinjiro Okada, Kamakura, JP;
Takao Takiguchi, Tokyo, JP;
Masashi Hashimoto, Tokyo, JP;
Naoki Yamada, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fluorene derivative represented by the following structural formula. An organic electroluminescence device including a pair of electrodes, and at least one layer containing an organic compound interposed between the pair of the electrodes. The at least one layer containing the organic compound contains the fluorene derivative. The layer containing the fluorene derivative serves as a light-emitting layer.