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. 29, 2014
Filed:
Jun. 05, 2006
Toshihiro Yamamoto, Kitakyushu, JP;
Takahiro Kai, Kitakyushu, JP;
Masaki Komori, Kitakyushu, JP;
Hiroshi Miyazaki, Kitakyushu, JP;
Toshihiro Yamamoto, Kitakyushu, JP;
Takahiro Kai, Kitakyushu, JP;
Masaki Komori, Kitakyushu, JP;
Hiroshi Miyazaki, Kitakyushu, JP;
Nippon Steel & Sumikin Chemical Co., Ltd., Tokyo, JP;
Abstract
Disclosed are an organic electroluminescent device (organic EL device) that is improved in luminous efficiency and fully assured of driving stability and has a simple structure and an organic metal complex suitable therefor. The organic metal complex is represented by the following general formula (I) wherein Ardenotes an aromatic hydrocarbon group or a heteroaromatic group and may have substituents, Arand Arrespectively denote an aromatic hydrocarbon group or a heteroaromatic group and may have substituents, M denotes a trivalent metal, and L denotes an arylate ligand containing a hetero ring having at least one nitrogen atom capable of coordinating M. This organic metal complex, along with a phosphorescent dopant, is suitable for a material constituting the light-emitting layer of an organic EL device.