Patent ID: 6902832

Claim:
An organic electroluminescent device comprising an organic layer interposed between a pair of electrodes wherein the organic layer contains a charge transporting material represented by the formula (1): in which R 1 to R 10 each independently represents a hydrogen atom, a halogen atom, an alkyl group of 1 to 6 carbon atoms, an alkoxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group, in which the substituted or unsubstituted aryl group or the substituted or unsubstituted heterocyclic group, when they are adjacent with each other, may be of a structure condensed to each other, X 1 and X 2 each independently represents an oxygen atom or a sulfur atom, and Y 1 and Y 2 each independently represents a substituted or unsubstituted alkyl group of 1 to 6 carbon atoms, an aryl group or a heterocyclic group.