LIGHT EMITTING DEVICE
    1.
    发明申请
    LIGHT EMITTING DEVICE 有权
    发光装置

    公开(公告)号:US20090121626A1

    公开(公告)日:2009-05-14

    申请号:US12335747

    申请日:2008-12-16

    IPC分类号: H01J1/63

    摘要: A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized.

    摘要翻译: 通过简化器件结构并避免使用不稳定的材料,提供了具有高效率和改进的稳定性并且可以通过更简单的工艺制造的三重态发光器件。 在三重态发光器件中常规使用的不使用空穴阻挡层的多层器件结构中,即在衬底上形成阳极的器件结构,由空穴传输材料构成的空穴传输层,电子 由电子传输材料和能够三重发光的掺杂剂构成的传输和发光层和阴极,按照所述顺序层叠空穴传输材料和电子传输材料的组合以及电子的组合 运输材料和掺杂剂材料被优化。

    LIGHT EMITTING DEVICE
    2.
    发明申请
    LIGHT EMITTING DEVICE 有权
    发光装置

    公开(公告)号:US20100237342A1

    公开(公告)日:2010-09-23

    申请号:US12793735

    申请日:2010-06-04

    IPC分类号: H01L51/54

    摘要: A triplet light emitting device which has high efficiency and improved stability and which can be fabricated by a simpler process is provided by simplifying the device structure and avoiding use of an unstable material. In a multilayer device structure using no hole blocking layer conventionally used in a triplet light emitting device, that is, a device structure in which on a substrate, there are formed an anode, a hole transporting layer constituted by a hole transporting material, an electron transporting and light emitting layer constituted by an electron transporting material and a dopant capable of triplet light emission, and a cathode, which are laminated in the stated order, the combination of the hole transporting material and the electron transporting material and the combination of the electron transporting material and the dopant material are optimized.

    摘要翻译: 通过简化器件结构并避免使用不稳定的材料,提供了具有高效率和改进的稳定性并且可以通过更简单的工艺制造的三重态发光器件。 在三重态发光器件中常规使用的不使用空穴阻挡层的多层器件结构中,即在衬底上形成阳极的器件结构,由空穴传输材料构成的空穴传输层,电子 由电子传输材料和能够三重发光的掺杂剂构成的传输和发光层和阴极,按照所述顺序层叠空穴传输材料和电子传输材料的组合以及电子的组合 运输材料和掺杂剂材料被优化。