Patent ID: 6277503
Filing Date: 2001-08-21
Classification: C07D,C09K,H01L,Y10S

Abstract:
An organic electroluminescent material comprising a methylidene compound of the following general formula (1) ##STR16##wherein Ar.sub.1 represents a substituted or unsubstituted aromatic hydrocarbon residue having 2 to 6 valences, Ar.sub.2 represents a divalent substituted or unsubstituted aromatic hydrocarbon residue, Ar.sub.3 represents a substituted or unsubstituted aromatic hydrocarbon residue or a substituted or unsubstituted aromatic heterocyclic hydrocarbon residue, R represents a substituted or unsubstituted aromatic hydrocarbon residue, a substituted or unsubstituted aromatic heterocyclic hydrocarbon residue, a substituted or unsubstituted alkyl group provided that Ar.sub.3 and R may join to form a ring, and n is an integer of 2 to 6.