A specified aromatic amine derivative having a naphthalene structure
bonding to diphenylamino group with a substituent. An organic
electroluminescence device which comprises at least one organic thin film
layer comprising a light emitting layer sandwiched between a pair of
electrode consisting of an anode and a cathode, wherein at least one of
the organic thin film layer comprises the aromatic amine derivative
singly or as its mixture component. Organic electroluminescence devices
having a long lifetime and a high efficiency of light emission, and
aromatic amine derivatives capable of realizing such organic EL devices
are provided.