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. 29, 2011
Filed:
Sep. 14, 2005
Hironobu Iwawaki, Yokohama, JP;
Shinjiro Okada, Kamakura, JP;
Takao Takiguchi, Chofu, JP;
Satoshi Igawa, Fujisawa, JP;
Masashi Hashimoto, Tokyo, JP;
Jun Kamatani, Tokyo, JP;
Kengo Kishino, Yokohama, JP;
Minako Nakasu, Tokyo, JP;
Ryota Ooishi, Yokohama, JP;
Hironobu Iwawaki, Yokohama, JP;
Shinjiro Okada, Kamakura, JP;
Takao Takiguchi, Chofu, JP;
Satoshi Igawa, Fujisawa, JP;
Masashi Hashimoto, Tokyo, JP;
Jun Kamatani, Tokyo, JP;
Kengo Kishino, Yokohama, JP;
Minako Nakasu, Tokyo, JP;
Ryota Ooishi, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention provides an organic EL device utilizing phosphorescence which can be driven at a low voltage, which realizes high luminance and high efficiency, and which has a long lifetime. The organic EL device of the present invention includes an organic light-emitting layer composed of at least a host material and a dopant, wherein the dopant is a phosphorescent compound containing a halogen atom, and the host material is a linear aromatic compound having no aromatic substituent at a side thereof.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile