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    WHITE ORGANIC LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME
    1.
    发明申请
    WHITE ORGANIC LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME 有权
    白有机发光装置及其制造方法

    公开(公告)号：US20100133522A1

    公开(公告)日：2010-06-03

    申请号：US12615577

    申请日：2009-11-10

    申请人： Sung-Hoon Pieh ,  Chang-Je Sung ,  Jeong-Dae Seo ,  Sang-Kyoon Kim

    发明人： Sung-Hoon Pieh ,  Chang-Je Sung ,  Jeong-Dae Seo ,  Sang-Kyoon Kim

    IPC分类号： H01L33/00

    CPC分类号： H01L27/3209 ,  H01L51/006 ,  H01L51/5016 ,  H01L51/5044 ,  H01L51/5048 ,  H01L51/5278

    摘要： The present invention relates to a white organic light emitting device and a method for manufacturing the same, in which a hole transport layer is made to have an energy level higher than an energy level of an excited state of a phosphorescent light emitting layer adjacent thereto for enhancing light emitting efficiency of the hole transport layer without an additional exciton blocking layer, and a dopant content in the phosphorescent light emitting layer is adjusted for preventing color shift from taking place.The white organic light emitting device includes an anode and a cathode placed on a substrate opposite to each other, a charge generation layer formed between the anode and the cathode, a first stack of a first hole transport layer, a first light emitting layer for emitting a blue light, and a first electron transport layer between the anode and the charge generation layer, and a second stack of a second hole transport layer, a second light emitting layer having a host doped with phosphorescence red and green together, and a second electron transport layer between the charge generation layer and the cathode, wherein the second hole transport layer has an energy level set higher than a triplet excited state energy level of the second light emitting layer.

    摘要翻译： 白色有机发光器件及其制造方法技术领域本发明涉及一种白色有机发光器件及其制造方法，其中使空穴传输层的能级高于与其相邻的磷光发光层的激发态的能级， 提高空穴传输层的发光效率，而不需要附加的激子阻挡层，并且调节磷光发光层中的掺杂剂含量以防止发生颜色偏移。 白色有机发光器件包括放置在彼此相对的衬底上的阳极和阴极，形成在阳极和阴极之间的电荷产生层，第一空穴传输层的第一堆叠，用于发射的第一发光层 蓝色光和阳极和电荷产生层之间的第一电子传输层，以及第二空穴传输层的第二堆叠，具有掺杂有磷光红色和绿色的主体的第二发光层和第二电子 电荷产生层和阴极之间的传输层，其中第二空穴传输层具有高于第二发光层的三线态激发态能级的能级。

    White organic light emitting device and method for manufacturing the same
    2.
    发明授权
    White organic light emitting device and method for manufacturing the same 有权
    白色有机发光器件及其制造方法

    公开(公告)号：US07994498B2

    公开(公告)日：2011-08-09

    申请号：US12615577

    申请日：2009-11-10

    申请人： Sung-Hoon Pieh ,  Chang-Je Sung ,  Jeong-Dae Seo ,  Sang-Kyoon Kim

    发明人： Sung-Hoon Pieh ,  Chang-Je Sung ,  Jeong-Dae Seo ,  Sang-Kyoon Kim

    IPC分类号： H01L33/00

    CPC分类号： H01L27/3209 ,  H01L51/006 ,  H01L51/5016 ,  H01L51/5044 ,  H01L51/5048 ,  H01L51/5278

    摘要： The present invention relates to a white organic light emitting device and a method for manufacturing the same, in which a hole transport layer is made to have an energy level higher than an energy level of an excited state of a phosphorescent light emitting layer adjacent thereto for enhancing light emitting efficiency of the hole transport layer without an additional exciton blocking layer, and a dopant content in the phosphorescent light emitting layer is adjusted for preventing color shift from taking place.The white organic light emitting device includes an anode and a cathode placed on a substrate opposite to each other, a charge generation layer formed between the anode and the cathode, a first stack of a first hole transport layer, a first light emitting layer for emitting a blue light, and a first electron transport layer between the anode and the charge generation layer, and a second stack of a second hole transport layer, a second light emitting layer having a host doped with phosphorescence red and green together, and a second electron transport layer between the charge generation layer and the cathode, wherein the second hole transport layer has an energy level set higher than a triplet excited state energy level of the second light emitting layer.

    摘要翻译： 白色有机发光器件及其制造方法技术领域本发明涉及一种白色有机发光器件及其制造方法，其中使空穴传输层的能级高于与其相邻的磷光发光层的激发态的能级， 提高空穴传输层的发光效率，而不需要附加的激子阻挡层，并且调节磷光发光层中的掺杂剂含量以防止发生颜色偏移。 白色有机发光器件包括放置在彼此相对的衬底上的阳极和阴极，形成在阳极和阴极之间的电荷产生层，第一空穴传输层的第一堆叠，用于发射的第一发光层 蓝色光和阳极和电荷产生层之间的第一电子传输层，以及第二空穴传输层的第二堆叠，具有掺杂有磷光红色和绿色的主体的第二发光层和第二电子 电荷产生层和阴极之间的传输层，其中第二空穴传输层具有高于第二发光层的三线态激发态能级的能级。