Title:
LIGHT-EMITTING DEVICE CONTAINING METAL COMPLEX HAVING BIPHOSPHORINE LIGAND
Document Type and Number:
Japanese Patent JP2012054571
Kind Code:
A
Abstract:
To provide an organic electroluminescent device in which luminous efficiency is improved.
In a light-emitting device including an anode, a cathode, and a luminous layer located between the anode and cathode, the luminous layer contains a metal complex for light emission, the metal complex includes a group having general formula I. In M-L(I) formula, M is a metal, L is a ligand, L contains Ar which is a substituted or unsubstituted heteroaryl ring, and the heteroaryl ring contains at least one phosphorus atom.
Inventors:
SCOTT WATKINS
Application Number:
JP2011220982A
Publication Date:
March 15, 2012
Filing Date:
October 05, 2011
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO
International Classes:
H01L51/50; C07F9/6568; C07F13/00; C07F15/00; C09K11/06; H01L51/00; H01L51/30; H05B33/10
Attorney, Agent or Firm:
Seiji Ohno
Koji Morita
Reiko Tanaka
Yuko Matsuniya
Ken Kitano
Natsuki Ito
Koji Morita
Reiko Tanaka
Yuko Matsuniya
Ken Kitano
Natsuki Ito