COMPOUND HAVING OXADIAZOLE RING STRUCTURE BONDED WITH AROMATIC HETEROCYCLIC RING AND ORGANIC ELECTROLUMINESCENT DEVICE

摘要

The object of the present invention is to provide a high efficiency, the organic EL device of high durability as a material for the organic EL device provides the organic compound having excellent properties, and also use this compound, a high efficiency and high durability. The present invention relates to an organic electroluminescent device containing the compound, and the compound having an oxadiazole structure jolhwan, the aromatic heterocyclic ring represented by the formula (1) are combined. ; Formula 1 ; (In the formula, Ar represents a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group or a substituted or unsubstituted represents a condensed polycyclic aromatic, A is a substituted or unsubstituted aromatic heterocyclic group, n is represents an integer of 1 to 3) ; The organic EL device, the aromatic heterocyclic ring, oxadiazole ring, a condensed polycyclic aromatic