| 摘要 |
A novel aromatic amine derivative having an asymmetric structure; and an organic electroluminescence device comprising a cathode, an anode and an organic thin film layer which is disposed between the cathode and the anode and comprises at least one layer comprising a light emitting layer, wherein at least one layer in the organic thin film layer comprises the above aromatic amine derivative singly or as a component of a mixture. Crystallization of the molecules is suppressed, and the yield in the production of the organic electroluminescence device can be increased.
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