| 摘要 |
An aromatic amine derivative having a specific structure in which diphenylamino groups having substituents are bonded with the unsubstituted pyrene structure, and an organic electroluminescence device comprising an organic thin film layer which comprises one layer or a plurality of layers comprising at least a light emitting layer and is disposed between an anode and a cathode, wherein at least one layer in the organic thin film layer comprises the aromatic amine derivative described above singly or as a component of a mixture. The organic electroluminescence device has a long life and emits blue light with a great efficiency. The aromatic amine derivative enables to obtain the device.
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