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. 10, 2009
Filed:
Nov. 14, 2006
Applicant:
Masami Watanabe, Chiba, JP;
Inventor:
Masami Watanabe, Chiba, JP;
Assignee:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07F 15/00 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A metal complex compound having a metal-carbene bond which has a specific structure having a metal atom such as iridium atom, and an organic electroluminescence device which has an organic thin film layer having one or more layers including at least a light emitting layer and sandwiched between a pair of electrodes and contains the metal complex compound in at least one layer in the organic thin film layers. The organic electroluminescence device exhibits a great efficiency of light emission and has a long lifetime. The device can be obtained by the use of the novel metal complex compound.