| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an organic light emitting element which has high efficiency and high luminance, and generates output for extremely-long-lifetime. Ž<P>SOLUTION: The organic light emitting element includes an anode and a cathode, and an organic compound layer sandwiched between the anode and cathode, at least one layer of the organic compound layer containing arylamine polymer having fluorenyl group as a nitrogen substituent. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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