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:
Jun. 12, 2007
Filed:
Mar. 25, 2003
Akihito Saitoh, Kanagawa, JP;
Mizuho Hiraoka, Kanagawa, JP;
Koichi Suzuki, Kanagawa, JP;
Akihiro Senoo, Kanagawa, JP;
Hiroshi Tanabe, Kanagawa, JP;
Naoki Yamada, Tokyo, JP;
Chika Negishi, Kanagawa, JP;
Maki Okajima, Tokyo, JP;
Akihito Saitoh, Kanagawa, JP;
Mizuho Hiraoka, Kanagawa, JP;
Koichi Suzuki, Kanagawa, JP;
Akihiro Senoo, Kanagawa, JP;
Hiroshi Tanabe, Kanagawa, JP;
Naoki Yamada, Tokyo, JP;
Chika Negishi, Kanagawa, JP;
Maki Okajima, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyp, JP;
Abstract
The present invention provides an oligofluorenylene compound represented by the general formula below, which enables production of an organic light-emitting device that exhibits an extremely pure luminescent hue and has a light emission of high efficiency, high brightness, and long lifetime.