Organic EL devices and production process thereof

Details Organic EL devices and production process thereof Organic EL devices and production process thereof

2008-04-15

2008-04-15

Garrett, Dawn L. (Department: 1774)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000

Reexamination Certificate

active

10852698

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.

REFERENCES:
patent: 5281489 (1994-01-01), Mori et al.
patent: 5635308 (1997-06-01), Inoue et al.
patent: 5792557 (1998-08-01), Nakaya et al.
patent: 6285039 (2001-09-01), Kobori et al.
patent: 6392339 (2002-05-01), Aziz et al.
patent: A-H08-48656 (1996-02-01), None
patent: A-2000-156290 (2000-06-01), None
patent: WO 98/08360 (1998-02-01), None

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