MATERIAL FOR ORGANIC ELECTROLUMINESCENCE ELEMENT, AND ORGANIC ELECTROLUMINESCENCE ELEMENT PREPARED BY USING THE MATERIAL
申请人:Idemitsu Kosan Co., Ltd.
公开号:EP2166583A1
公开(公告)日:2010-03-24
A material for organic electroluminescence devices of the invention which is for use in combination with at least one phosphorescent metal complex has a specific heterocyclic structure. The material for organic electroluminescence devices is used as a host material or a hole transporting material. An organic electroluminescence device having an anode, a cathode and an organic thin film layer having one or more layers which is interposed between the anode and cathode, in which at least one layer of the organic thin film layer contains the material for organic electroluminescence devices, has a high emitting efficiency, causes little pixel defects, is excellent in heat resistance, and shows a long lifetime.
本发明的一种有机电致发光器件材料与至少一种磷光金属复合物结合使用,具有特定的杂环结构。有机电致发光器件材料可用作宿主材料或空穴传输材料。一种有机电致发光器件具有阳极、阴极和位于阳极与阴极之间的一层或多层有机薄膜层,其中至少有一层有机薄膜层含有有机电致发光器件材料,该器件发光效率高,像素缺陷小,耐热性能好,使用寿命长。