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:
Apr. 30, 2013
Filed:
May. 16, 2008
Hiroki Ohrui, Kawasaki, JP;
Akihito Saitoh, Yokohama, JP;
Chika Negishi, Yokosuka, JP;
Hironobu Iwawaki, Yokohama, JP;
Masanori Muratsubaki, Hachioji, JP;
Shinjiro Okada, Kamakura, JP;
Hiroki Ohrui, Kawasaki, JP;
Akihito Saitoh, Yokohama, JP;
Chika Negishi, Yokosuka, JP;
Hironobu Iwawaki, Yokohama, JP;
Masanori Muratsubaki, Hachioji, JP;
Shinjiro Okada, Kamakura, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
There is provided an organic light-emitting device having an optical output with a high efficiency, a high luminance, and a long life. The organic light-emitting device includes an anode, a cathode, and a layer including an organic compound interposed between the anode and the cathode, in which either one of the anode and the cathode is formed of a transparent or translucent electrode material, and in which the layer includes at least one indenochrysene derivative represented by the general formula (1):