| abstract |
An aromatic amine derivative represented by the following formula (1) is useful as a constituent component of an organic EL device, and realizes an organic EL device having high efficiency and long life even under low voltage driving. [Chemical Formula 1] (In the formula, HAr 1 is a dibenzofuryl group or a dibenzothienyl group, Ar 2 is an alkyl group, an aryl group or a heterocyclic group, and L 1 -L 3 are each independently a single bond or a phenylene group.) |