Phenylcarbazole compounds and organic electroluminescence...

Details Phenylcarbazole compounds and organic electroluminescence... Phenylcarbazole compounds and organic electroluminescence...

2005-07-13

2008-10-07

Cano, Milton I. (Department: 1794)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000, C548S440000, C564S427000, C564S434000

Reexamination Certificate

active

07431997

ABSTRACT:
A phenylcarbazole compound of formula (1) below is provided,where each of R1and R2is independently a monosubstituted or polysubstituted functional group selected from the group consisting of hydrogen atom, a substituted or unsubstituted C1-C30alkyl group, a substituted or unsubstituted C6-C30aryl group, a substituted or unsubstituted C4-C30heterocyclic group, a substituted or unsubstituted C6-C30condensed polycyclic group, wherein groups adjacent to R1and R2bind and form a saturated or unsaturated cyclic hydrocarbon group, and Ar is a substituted or unsubstituted C6-C30aryl group or a C6-C30heteroaryl group, wherein the substituent R4is defined herein. Also included is an organic electroluminescence device comprising the above phenylcarbazole compounds.

REFERENCES:
patent: 2007/0231503 (2007-10-01), Hwang et al.
patent: 2005-097460 (2005-04-01), None

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