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    ORGANIC LIGHT-EMITTING DEVICE
    3.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 有权

    公开(公告)号：US20250169277A1

    公开(公告)日：2025-05-22

    申请号：US19030848

    申请日：2025-01-17

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Naoyuki ITO ,  Seul-Ong KIM ,  Youn-Sun KIM ,  Dong-Woo SHIN ,  Jung-Sub LEE

    IPC: H10K50/18 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/165 ,  H10K85/30 ,  H10K85/60 ,  H10K101/10 ,  H10K101/30

    Abstract: An organic light-emitting device and a flat panel display device, the organic-light emitting device including an anode; a cathode; and an organic layer therebetween including an emission layer, a hole transport region between the anode and the emission layer, the hole transport region including at least one of a hole injection layer, a hole transport layer, and an electron blocking layer, an electron transport region between the emission layer and the cathode, the electron transport region including at least one of a hole blocking layer, an electron transport layer, and an electron injection layer, and a buffer layer between the emission layer and the electron transport region, wherein the buffer layer includes a biscarbazole-based derivative and triphenylene-based derivative, and a triplet energy (ET1) of the biscarbazole-based derivative or the triphenylene-based derivative and a triplet energy (ET2) of a dopant of the emission layer satisfy the following relationship: ET1>ET2.

    ORGANIC LIGHT-EMITTING DEVICE
    7.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 审中-公开
    有机发光装置

    公开(公告)号：US20150318486A1

    公开(公告)日：2015-11-05

    申请号：US14458585

    申请日：2014-08-13

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Seul-Ong KIM ,  Youn-Sun KIM ,  Dong-Woo SHIN ,  Jung-Sub LEE ,  Naoyuki ITO

    IPC: H01L51/00

    CPC classification number: H01L51/508 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/0094 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5076 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5096 ,  H01L2251/5384 ,  H01L2251/552

    Abstract: An organic light-emitting device and a flat panel display device, the organic light-emitting device including an anode; cathode; and organic layer therebetween, the organic layer including a hole transport region between the anode and the emission layer and that includes at least one of a hole injection layer, a hole transport layer, a buffer layer, and an electron blocking layer, an electron transport region between the emission layer and the cathode, the electron transport region including at least one of a hole blocking layer, an electron transport layer, and an electron injection layer, and a mixed organic layer disposed between the emission layer and the electron transport region, wherein the mixed organic layer includes a hole transport compound and an electron transport compound, and an electron affinity (EA1) of the hole transport compound and an electron affinity (EA2) of the electron transport compound satisfy the following relationship: EA1

    Abstract translation: 一种有机发光装置和平板显示装置，所述有机发光装置包括阳极; 阴极; 和有机层，所述有机层包括在所述阳极和所述发射层之间的空穴传输区域，并且包括空穴注入层，空穴传输层，缓冲层和电子阻挡层中的至少一个，电子传输 发射层和阴极之间的区域，电子传输区域包括空穴阻挡层，电子传输层和电子注入层中的至少一个以及设置在发射层和电子传输区域之间的混合有机层， 其中所述混合有机层包括空穴传输化合物和电子传输化合物，并且所述空穴传输化合物的电子亲和力（EA1）和所述电子传输化合物的电子亲和力（EA2）满足以下关系：EA1

    ORGANIC LIGHT-EMITTING DEVICE
    8.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 审中-公开

    公开(公告)号：US20190058127A1

    公开(公告)日：2019-02-21

    申请号：US16104073

    申请日：2018-08-16

    Applicant: Samsung Display Co., Ltd.

    Inventor： Naoyuki ITO

    IPC: H01L51/00

    Abstract: An organic light-emitting device is provided. The organic light-emitting device includes: a first electrode; a second electrode; an organic layer between the first electrode and the second electrode, the organic layer including: an emission layer; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, 50% or more of a total volume of the second electrode being silver (Ag), the hole transport region including an amine-based polymer including a first repeating unit represented by Formula 1, and a number average molecular weight of the amine-based polymer being about 1,000 or more.

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