A material for electroluminescent devices which comprises a compound in which a heterocyclic group having nitrogen is bonded to carbazolyl group and an organic electroluminescent device having at least one organic thin film 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.
本发明提供了一种电致发光器件材料,该材料包含一种将含氮杂环基团与
咔唑基团键合的化合物,以及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。