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. 25, 2014
Filed:
Sep. 03, 2010
Atsushi Wada, Kawasaki, JP;
Yukitami Mizuno, Tokyo, JP;
Tomoaki Sawabe, Tokyo, JP;
Isao Takasu, Tokyo, JP;
Tomoko Sugizaki, Kawasaki, JP;
Shintaro Enomoto, Yokohama, JP;
Isao Amemiya, Machida, JP;
Atsushi Wada, Kawasaki, JP;
Yukitami Mizuno, Tokyo, JP;
Tomoaki Sawabe, Tokyo, JP;
Isao Takasu, Tokyo, JP;
Tomoko Sugizaki, Kawasaki, JP;
Shintaro Enomoto, Yokohama, JP;
Isao Amemiya, Machida, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
According to one embodiment, there is provided an organic light-emitting diode including an anode and a cathode arranged apart from each other, and an emissive layer interposed between the anode and the cathode and including a host material and an emitting dopant. The emitting dopant includes a copper complex represented by the formula (1): where Curepresents a copper ion, the ligand A represents a pyridine derivative having nitrogen as a coordinate element and may have a substituent, PRRRis a phosphine compound coordinating with Cu, where R, Rand Rmay be the same or different, and represent a linear, branched or cyclic alkyl group having 6 or less carbon atoms or an aromatic cyclic group which may have a substituent, and Xrepresents a counter ion (counterion) where X represents F, Cl, Br, I, BF, PF, CHCO, CFCO, CFSOor ClO.