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:
Jul. 12, 2011
Filed:
Jul. 18, 2007
Akihito Saitoh, Yokohama, JP;
Masanori Muratsubaki, Hachioji, JP;
Satoshi Igawa, Fujisawa, JP;
Hiroki Ohrui, Kawasaki, JP;
Chika Negishi, Yokosuka, JP;
Masashi Hashimoto, Tokyo, JP;
Takao Takiguchi, Chofu, JP;
Akihiro Senoo, Kawasaki, JP;
Shinjiro Okada, Kamakura, JP;
Akihito Saitoh, Yokohama, JP;
Masanori Muratsubaki, Hachioji, JP;
Satoshi Igawa, Fujisawa, JP;
Hiroki Ohrui, Kawasaki, JP;
Chika Negishi, Yokosuka, JP;
Masashi Hashimoto, Tokyo, JP;
Takao Takiguchi, Chofu, JP;
Akihiro Senoo, Kawasaki, JP;
Shinjiro Okada, Kamakura, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An organic luminescent device having organic-compound layers is provided which takes on luminous hues with very good purity and has optical power with high efficiency, high luminance and a long life. At least one of the organic-compound layers contains a benzo[k]fluoranthene compound represented by the following general formula (1): wherein Ris a group selected from the group consisting of alkyl, aralkyl and a heterocyclic group which may be substituted, and R's may be the same or different; Rto Rare each independently a group selected from the group consisting of hydrogen, halogen, alkyl, aralkyl, phenyl, a condensed bicyclic aromatic group and a heterocyclic group which may be substituted; and a is an integer of 0 or more to 9 or less.