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:
Aug. 16, 2011
Filed:
Apr. 19, 2007
Akihito Saitoh, Yokohama, JP;
Keiji Okinaka, Kawasaki, JP;
Satoshi Igawa, Fujisawa, JP;
Jun Kamatani, Tokyo, JP;
Naoki Yamada, Inagi, JP;
Masashi Hashimoto, Tokyo, JP;
Masanori Muratsubaki, Hachioji, JP;
Takao Takiguchi, Chofu, JP;
Akihiro Senoo, Kawasaki, JP;
Shinjiro Okada, Kamakura, JP;
Minako Nakasu, Tokyo, JP;
Akihito Saitoh, Yokohama, JP;
Keiji Okinaka, Kawasaki, JP;
Satoshi Igawa, Fujisawa, JP;
Jun Kamatani, Tokyo, JP;
Naoki Yamada, Inagi, JP;
Masashi Hashimoto, Tokyo, JP;
Masanori Muratsubaki, Hachioji, JP;
Takao Takiguchi, Chofu, JP;
Akihiro Senoo, Kawasaki, JP;
Shinjiro Okada, Kamakura, JP;
Minako Nakasu, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
To provide an organic light emitting device having high efficiency and high luminance by making a contrivance to suppress the leakage of an electron or of an exciton, an organic light emitting device of the present invention includes two hole transporting layers having tertiary amine compounds different from each other in structure.