Patent ID: 8154195

Claim:
A material for an organic electroluminescence device, comprising a host material represented by a formula (3) as follows, Ra—Ar 1 —Ar 2 —Rb (3) where: Ra and Ar 1 each represent a substituted or unsubstituted naphthalene ring; Rb represents a substituted or unsubstituted condensed aromatic hydrocarbon group selected from a group consisting of a phenanthrene ring, a triphenylene ring, a benzophenanthrene ring, a dibenzophenanthrene ring, a benzotriphenylene ring, a fluoranthene ring, a benzochrysene ring, a benzo[b]fluoranthene ring and a picene ring; Ar 2 represents a substituted or unsubstituted condensed aromatic hydrocarbon group selected from a group consisting of a benzene ring, a chrysene ring, a triphenylene ring, a benzophenanthrene ring, a dibenzophenanthrene ring, a benzotriphenylene ring, a benzochrysene ring, a benzo[b]fluoranthene ring and a picene ring; and substituents for Ra, Rb, and Ar 1 are not aryl groups.