The invention provides a light emitting layer host compound and an electron-blocking compound that have high excited triplet levels, and can completely confine the triplet excitons of phosphorescent material, for use as the material of a high-efficient organic electroluminescent device. The invention also provides a high-efficient, high-luminance organic electroluminescent device with the use of the compounds.
The compound of the general formula (1) below has a triphenylsilyl group and a triarylamine structure, and the organic electroluminescent device includes a pair of electrodes and at least one organic layer interposed between the pair of electrodes, wherein the compound of the general formula (1) having a triphenylsilyl group and a triarylamine structure is used as constituent material of the at least one organic layer.
本发明提供了一种具有高激发三重态能级的发光层主体化合物和电子阻挡化合物,可以完全限制
磷光材料的三重激子,用作高效有机电致发光器件的材料。本发明还提供了一种高效、高亮度的有机电致发光器件,使用该化合物。通式(1)化合物具有三苯基
硅基团和三芳基胺结构,有机电致发光器件包括一对电极和至少一个夹在电极对之间的有机层,其中使用具有三苯基
硅基团和三芳基胺结构的通式(1)化合物作为至少一个有机层的组成材料。