Title:
有機EL素子およびその製造方法
Document Type and Number:
Japanese Patent JP4487587
Kind Code:
B2
Abstract:
An organic electroluminescent device comprising a light-emitting layer between a pair of electrodes, the light-emitting layer comprising a mixture of a hole-transporting material consisting of a tertiary amine compound, an electron-transporting material and a light-emitting additive material, in which the tertiary amine compound has two or more oxidation potentials determined by a cyclic voltammetry wherein a potential difference between the first oxidation potential and the second oxidation potential in the oxidation potentials is 0.22V or more, and a glass transition temperature of at least 100° C., and the electron-transporting material has a glass transition temperature of at least 100° C.
Inventors:
Tetsuya Kato
Kazushige Kojima
Takanori Kajioka
Masahiko Ishii
Kazushige Kojima
Takanori Kajioka
Masahiko Ishii
Application Number:
JP2004041458A
Publication Date:
June 23, 2010
Filing Date:
February 18, 2004
Export Citation:
Assignee:
株式会社デンソー
International Classes:
H01L51/50; C09K11/06; H01L51/00; H05B33/10; H05B33/14
Domestic Patent References:
| JP848656A | ||||
| JP2003146950A | ||||
| JP7126226A | ||||
| JP2002179630A |
Attorney, Agent or Firm:
Yoji Ito
Takahiro Miura
Fumihiro Mizuno
Takahiro Miura
Fumihiro Mizuno