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. 04, 2008
Filed:
Aug. 26, 2003
Koichi Suzuki, Yokohama, JP;
Tatsundo Kawai, Hadano, JP;
Akihiro Senoo, Kawasaki, JP;
Naoki Yamada, Inagi, JP;
Akihito Saitoh, Yokohama, JP;
Maki Okajima, Tachikawa, JP;
Koichi Suzuki, Yokohama, JP;
Tatsundo Kawai, Hadano, JP;
Akihiro Senoo, Kawasaki, JP;
Naoki Yamada, Inagi, JP;
Akihito Saitoh, Yokohama, JP;
Maki Okajima, Tachikawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A new condensed polycyclic compound represented by general formula [I]: wherein Ris hydrogen, halogen, cyano, a substituted amino or a group selected from the group consisting of alkyl, aralkyl, aryl, heterocyclic, each having no substituent or a substituent; and Arto Arare the same or different and are each independently a condensed polycyclic aromatic group or a condensed polycyclic heterocyclic group, each having no substituent or a substituent is used for an organic light-emitting device that is extremely efficient in a light output with high luminance and is extremely durable.