A biphenyl derivative having a specific structure and an organic electroluminescent device having a long lifetime due to comprising at least one of organic thin film layers including a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein the organic thin film layer contains the biphenyl derivatives, singly or as a component of a mixture are provided, and also the biphenyl derivatives particularly suitable for a light emitting material of the organic EL device of the present invention is provided.
本发明提供了一种具有特定结构的
联苯衍
生物和一种有机电致发光器件,该器件具有较长的使用寿命,因为它包含至少一个有机薄膜层,其中包括夹在由阳极和阴极组成的一对电极之间的发光层,其中有机薄膜层包含
联苯衍
生物(单独或作为混合物的一种成分),还提供了特别适用于本发明有机电致发光器件的
发光材料的
联苯衍
生物。