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:
Sep. 07, 2010
Filed:
Mar. 31, 2004
Tomohiro Oshiyama, Tokyo, JP;
Hiroshi Kita, Tokyo, JP;
Eisaku Katoh, Tokyo, JP;
Yoshiyuki Suzuri, Tokyo, JP;
Tomohiro Oshiyama, Tokyo, JP;
Hiroshi Kita, Tokyo, JP;
Eisaku Katoh, Tokyo, JP;
Yoshiyuki Suzuri, Tokyo, JP;
Konica Minolta Holdings, Inc., Tokyo, JP;
Abstract
According to this invention, it is possible to provide an organic electroluminescence element material comprising a metal complex having a specific ligand, and an organic electroluminescence element which exhibits high emission efficiency as well as long emission life, employing the organic electroluminescence element material, and to provide an illumination device and a display device. The electroluminescence element material is characterized by containing a metal complex having a ligand represented by following Formula (1).