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    Light-emitting device
    2.
    发明授权
    Light-emitting device 有权

    公开(公告)号：US11910626B2

    公开(公告)日：2024-02-20

    申请号：US17033774

    申请日：2020-09-26

    Applicant: Samsung Display Co., Ltd.

    Inventor： Hyomin Kim ,  Illsoo Park ,  Sijin Sung ,  Gina Yoo ,  Sunhwa Kim ,  Jaehong Kim ,  Heeseong Jeong ,  Jongseok Han

    IPC: H10K50/11 ,  H10K59/35 ,  H10K85/60 ,  H10K50/17 ,  H10K101/40 ,  H10K101/30 ,  H10K102/00

    CPC classification number: H10K50/11 ,  H10K59/35 ,  H10K85/636 ,  H10K50/17 ,  H10K85/6572 ,  H10K2101/30 ,  H10K2101/40 ,  H10K2102/351

    Abstract: A light-emitting device includes: a substrate including a first subpixel, as second subpixel, and a third subpixel; a plurality of first electrodes respectively in the first subpixel, the second subpixel, and the third subpixel of the substrate; a second electrode facing the first electrode; an emission layer located between the plurality of first electrodes and the second electrode; a hole injection layer between the plurality of first electrodes and the emission layer; a first common layer between the hole injection layer and the emission layer, the first common layer integrated with the first subpixel, the second subpixel, and the third subpixel; a second common layer between the hole injection layer and the first common layer, the second common layer integrated with the first subpixel, the second subpixel, and the third subpixel, wherein the first common layer and the second common layer satisfy certain conditions. In particular, the first common layer consists of a blue host, and the blue host satisfies Equations 1 and 2:

    |EHOMO_BH|>|EHOMO_REML|  Equation 1

    |EHOMO_BH|>|EHOMO_GEML|.  Equation 2

    ORGANIC LIGHT-EMITTING DEVICE
    6.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 审中-公开
    有机发光装置

    公开(公告)号：US20170069864A1

    公开(公告)日：2017-03-09

    申请号：US15134956

    申请日：2016-04-21

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Sunghun Lee ,  Seulong Kim ,  Illsoo Park ,  Hyosup Shin ,  Sunwoo Kang ,  Eunkyung Koh ,  Minkyung Kim ,  Taekyung Kim ,  Jaeyong Lee

    IPC: H01L51/50 ,  H01L51/00

    CPC classification number: H01L51/5004 ,  C09K11/06 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0072 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5064 ,  H01L2251/552

    Abstract: An organic light-emitting device including: a first electrode, a hole transport region including a first hole transport layer (HTL), an emission layer, an electron transport region; and a second electrode; wherein the first HTL includes a first compound and a second compound, the emission layer includes a third compound and a fourth compound, the electron affinity of the second compound is greater than the electron affinity of the first compound, a lowest unoccupied molecular orbital (LUMO) energy level of the fourth compound is greater than a LUMO energy level of the third compound, the second compound and the third compound are different from each other, and the minimum anionic dissociation energy of the second compound is greater than the triplet energy of the third compound.

    Abstract translation: 一种有机发光装置，包括：第一电极，包括第一空穴传输层（HTL），发射层，电子传输区域的空穴传输区域; 和第二电极; 其中第一HTL包括第一化合物和第二化合物，发射层包括第三化合物和第四化合物，第二化合物的电子亲和力大于第一化合物的电子亲和力，最低未占分子轨道（LUMO ）第四化合物的能级大于第三化合物的LUMO能级，第二化合物和第三化合物彼此不同，第二化合物的最小阴离子解离能大于 第三化合物。

    Organic light-emitting device
    9.
    发明授权
    Organic light-emitting device 有权

    公开(公告)号：US11043646B2

    公开(公告)日：2021-06-22

    申请号：US15134956

    申请日：2016-04-21

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Sunghun Lee ,  Seulong Kim ,  Illsoo Park ,  Hyosup Shin ,  Sunwoo Kang ,  Eunkyung Koh ,  Minkyung Kim ,  Taekyung Kim ,  Jaeyong Lee

    IPC: H01L51/50 ,  H01L51/00 ,  C09K11/06

    Abstract: An organic light-emitting device including: a first electrode, a hole transport region including a first hole transport layer (HTL), an emission layer, an electron transport region; and a second electrode; wherein the first HTL includes a first compound and a second compound, the emission layer includes a third compound and a fourth compound, the electron affinity of the second compound is greater than the electron affinity of the first compound, a lowest unoccupied molecular orbital (LUMO) energy level of the fourth compound is greater than a LUMO energy level of the third compound, the second compound and the third compound are different from each other, and the minimum anionic dissociation energy of the second compound is greater than the triplet energy of the third compound.

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