A material for electroluminescent devices which comprises a compound in which a cycloalkyl group or a meta-phenylene group is bonded to a group having carbazole skeleton structure and an organic electroluminescent device having an organic thin film layer having at least one layer which is sandwiched between the cathode and the anode and contains the above material in at least one layer, are provided. The material can provide organic electroluminescent devices emitting bluish light with a high purity of color. The organic electroluminescence device uses the material.
本发明提供了一种用于电致发光器件的材料,该材料包含环烷基或偏苯基键合到具有
咔唑骨架结构的基团上的化合物;还提供了一种有机电致发光器件,该器件具有至少一层有机薄膜层,该薄膜层夹在阴极和阳极之间,并在至少一层中包含上述材料。该材料可提供发出高纯度蓝光的有机电致发光器件。使用该材料的有机电致发光器件。