| 摘要 |
<p>An organic electroluminescent device includes a pair of electrodes; and an organic layer between the pair of electrodes, which includes a light-emitting layer and contains a compound represented by the following formula (1):
wherein each of R 1 to R 7 independently represents a hydrogen atom or a substituent with the proviso that at least one of R 1 to R 7 represents a deuterium atom or a substituent containing a deuterium atom.</p> |
