| 摘要 |
PROBLEM TO BE SOLVED: To provide an organic electroluminescent device long in emission life and excellent in durability. SOLUTION: The organic electroluminescent device holds at least one layer containing at least one compound represented by formula (1), (wherein, Ar1 and Ar2 independently represent a substituted or unsubstituted naphthyl group, and Ar3 and Ar4 independently represent a substituted or unsubstituted phenyl group), between a pair of electrodes.
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