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. 26, 2013
Filed:
Dec. 21, 2010
Keiji Okinaka, Kawasaki, JP;
Akihito Saitoh, Yokohama, JP;
Naoki Yamada, Inagi, JP;
Masataka Yashima, Tokyo, JP;
Koichi Suzuki, Yokohama, JP;
Akihiro Senoo, Kawasaki, JP;
Kazunori Ueno, Ebina, JP;
Keiji Okinaka, Kawasaki, JP;
Akihito Saitoh, Yokohama, JP;
Naoki Yamada, Inagi, JP;
Masataka Yashima, Tokyo, JP;
Koichi Suzuki, Yokohama, JP;
Akihiro Senoo, Kawasaki, JP;
Kazunori Ueno, Ebina, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
It is an object of the present invention to provide an organic light emitting device having a long-life optical output. The organic light emitting device according to the present invention is provided with an emission layer including at least a host material, a light emitting material, and another material, wherein the another material has a smaller ionization potential than and almost the same hole mobility as or a greater hole mobility than an ionization potential and a hole mobility of a compound which forms an emission layer-side-interface.