| 摘要 |
An organic electroluminescent device of the type comprises an organic layer 5, 5a or 5b, which has a luminescent region and contains at least one styryl compound represented by the following general formula (1)wherein R<1 >and R<2 >independently represent an aryl group of the following general formula (2), (3) or (4)wherein R<3 >to R<21 >independently represents a specific substituent group such as a hydrogen atom, a methoxy group or the like, and X represents a substituted or unsubstituted aryl or cyclic hydrocarbon group.
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