Stilbene derivative, light emitting element material, light...

Details Stilbene derivative, light emitting element material, light... Stilbene derivative, light emitting element material, light...

2006-11-01

2009-12-29

Garrett, Dawn (Department: 1794)

Chemistry of hydrocarbon compounds

Compound or reaction product mixture

Aromatic

C428S690000, C428S917000, C313S504000, C313S506000

Reexamination Certificate

active

07638663

ABSTRACT:
An object of the present invention to provide a novel stilbene derivative having a large energy gap. In addition, it is another object of the present invention to provide a novel light emitting element material having a large energy gap which is suitable for a host material in a light emitting layer. Further in addition, it is another object of the present invention to provide a novel light emitting element material having a large energy gap and an electron transporting property. The present invention provides a stilbene derivative represented by a following general formula (3) and a light emitting element material including the stilbene derivative represented thereby:wherein, n is an integer of 0 or more and 2 or less and m is an integer of 1 or more and 2 or less.

REFERENCES:
patent: 7476745 (2009-01-01), Egawa et al.
patent: 2005/0175858 (2005-08-01), Jung et al.
patent: 05-295359 (1993-11-01), None
patent: 2004-035447 (2004-02-01), None
patent: 2005-132820 (2005-05-01), None

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