Organic light emitting device
    1.
    发明授权
    Organic light emitting device 有权
    有机发光装置

    公开(公告)号:US07604873B2

    公开(公告)日:2009-10-20

    申请号:US11175206

    申请日:2005-07-07

    IPC分类号: H01L51/54

    摘要: It is an object of the present invention to provide an organic light emitting device having a long-life optical output. The organic light emitting device according to the present invention is provided with an emission layer including at least a host material, a light emitting material, and another material, wherein the another material has a smaller ionization potential than and almost the same hole mobility as or a greater hole mobility than an ionization potential and a hole mobility of a compound which forms an emission layer-side-interface.

    摘要翻译: 本发明的目的是提供一种具有长寿命光输出的有机发光器件。 根据本发明的有机发光器件设置有至少包括主体材料,发光材料和另一种材料的发射层,其中另一种材料具有比或几乎相同的空穴迁移率或几乎相同的电离电位 比形成发射层侧界面的化合物的电离电位和空穴迁移率更大的空穴迁移率。