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    ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME
    1.
    发明申请
    ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME 有权

    公开(公告)号：US20210296589A1

    公开(公告)日：2021-09-23

    申请号：US17260700

    申请日：2019-12-21

    Applicant: LG DISPLAY CO., LTD.

    Inventor： In-Bum SONG ,  Seung-Hee YOON ,  Jin-Ho PARK ,  Dong-Hyeok LIM

    IPC: H01L51/00 ,  C07C15/28 ,  C09K11/06 ,  C07D307/91 ,  C07F5/02

    Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host, a second host and a blue dopant and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of a heteroaryl-substituted amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including at least one of a first hole blocking material and a second hole blocking material and positioned between the second electrode and the first emitting material layer, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative, and wherein the first hole blocking material is a azine derivative, and the second hold blocking material is a benzimidazole derivative.

    LIGHT-EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME
    2.
    发明申请
    LIGHT-EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME 审中-公开

    公开(公告)号：US20200006458A1

    公开(公告)日：2020-01-02

    申请号：US16453420

    申请日：2019-06-26

    Applicant: LG Display Co., Ltd.

    Inventor： Dong-Hyeok LIM ,  Song-Yi JEONG ,  Kyu-Il HAN ,  Nam-Seok YOO ,  Yu-Ri PARK

    IPC: H01L27/32

    Abstract: A light-emitting display device includes a substrate having a plurality of subpixels; a first electrode provided in each of the subpixels; a bank defining an emission part in each of the subpixels and having an upper surface that has a larger degree of surface roughness than an upper surface of the first electrode; a first common layer over the subpixels and covering the first electrode and the bank; a light-emitting layer on the first common layer and corresponding to the emission part of each of the subpixels; and a second common layer and a second electrode stacked on the light-emitting layer over the plurality of subpixels.

    LIGHT EMITTING DISPLAY DEVICE INCLUDING CONDUCTIVITY IMPROVEMENT LAYER
    5.
    发明申请
    LIGHT EMITTING DISPLAY DEVICE INCLUDING CONDUCTIVITY IMPROVEMENT LAYER 有权

    公开(公告)号：US20220085117A1

    公开(公告)日：2022-03-17

    申请号：US17536964

    申请日：2021-11-29

    Applicant: LG Display Co., Ltd.

    Inventor： Dong-Hyeok LIM ,  Min-Chul JUN

    IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50 ,  H01L51/56

    Abstract: A method for manufacturing a light emitting display device, includes preparing a substrate having an active area and edge areas around the active area, forming a first electrode in each of a plurality of subpixels in the active area, forming a first common layer configured to cover an entirety of the active area and to have a first process margin in the edge areas outside the active area, forming a conductivity improvement layer on the first common layer in the edge areas, forming a light emitting layer in each of the subpixels, forming a second common layer having a large size than a size of the active area, on the light emitting layer, and forming a second electrode having a second process margin in the edge areas to cover at least the first common layer, on the second common layer.

    Organic Light Emitting Display Device and Method of Fabricating the Same
    8.
    发明申请
    Organic Light Emitting Display Device and Method of Fabricating the Same 有权
    有机发光显示装置及其制造方法

    公开(公告)号：US20140183493A1

    公开(公告)日：2014-07-03

    申请号：US14134119

    申请日：2013-12-19

    Applicant: LG Display Co., Ltd.

    Inventor： Heui-Dong LEE ,  Kwan-Soo KIM ,  Dae-Gwon SONG ,  Jin-Ho PARK ,  Sung-Ji YOON ,  Dong-Hyeok LIM

    IPC: H01L51/52 ,  H01L51/56

    CPC classification number: H01L51/56 ,  H01L27/3211 ,  H01L51/506 ,  H01L51/5064

    Abstract: Disclosed herein are an organic light emitting display device includes first to third sub-pixels realizing different colors, wherein each of the first to third sub-pixels includes first and second electrodes disposed on a substrate so as to face each other, an emission layer formed between the first and second electrodes, a multi-layered hole transporting layer formed between the first electrode and the emission layer to be in contact with the first electrode and the emission layer, and an electron transporting layer formed between the second electrode and the emission layer, wherein multi-layered hole transporting layer of at least one of the first to third sub-pixels includes an at least two-layered first hole transporting layer formed of a hole host and a p-type dopant having a doping concentration of 1 to 10% and a second hole transporting layer formed of the hole host.

    Abstract translation: 本文公开了一种有机发光显示装置，包括实现不同颜色的第一至第三子像素，其中第一至第三子像素中的每一个包括设置在基板上以彼此面对的第一和第二电极，形成的发射层 在第一和第二电极之间，形成在第一电极和发射层之间的与第一电极和发射层接触的多层空穴传输层，以及形成在第二电极和发射层之间的电子传输层 其中，所述第一至第三子像素中的至少一个的多层空穴传输层包括由空穴宿主形成的至少两层的第一空穴传输层和掺杂浓度为1〜10的p型掺杂剂 ％和由孔主体形成的第二空穴传输层。

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