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    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME
    13.
    发明申请
    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME 有权

    公开(公告)号：US20230139475A1

    公开(公告)日：2023-05-04

    申请号：US17975472

    申请日：2022-10-27

    Applicant: Samsung Display Co., Ltd.

    Inventor： Namsu Kang ,  Songeun Lee ,  Minkyung Kim ,  Seulong Kim ,  Hyunshik Lee

    IPC: H01L51/50 ,  H01L51/00

    Abstract: A light-emitting device and an electronic apparatus including the same. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode, wherein the interlayer includes a first emission layer and a second emission layer, the first emission layer includes a first hole transport host, a second electron transport host, and a first phosphorescent dopant, the second emission layer includes a second hole transport host, a second electron transport host, and a second phosphorescent dopant, and wherein (i) hole mobility of the first emission layer is faster than electron mobility of the first emission layer, or (ii) hole mobility of the first hole transport host in the first emission layer is faster than electron mobility of the first electron transport host in the first emission layer.

    Organic electroluminescence device
    14.
    发明授权
    Organic electroluminescence device 有权

    公开(公告)号：US11462693B2

    公开(公告)日：2022-10-04

    申请号：US16532434

    申请日：2019-08-05

    Applicant: Samsung Display Co., Ltd.

    Inventor： Minkyung Kim

    IPC: H01L51/50 ,  H01L51/00 ,  H01L51/52

    Abstract: An organic electroluminescence device includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode. The emission layer includes a first host and a second host different from the first host, thereby achieving high efficiency and a long device life.

    Organic light-emitting device
    15.
    发明授权
    Organic light-emitting device 有权

    公开(公告)号：US10361372B2

    公开(公告)日：2019-07-23

    申请号：US14935226

    申请日：2015-11-06

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Minkyung Kim ,  Jaeyong Lee ,  Taekyung Kim

    IPC: H01L51/00 ,  C09K11/06 ,  C09K11/02 ,  H01L51/50

    Abstract: An organic light-emitting device includes a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer and a first compound and a second compound, where the first compound includes at least one selected from compounds represented by Formula 1, and the second compound includes at least one selected from compounds represented by Formula 2:

    Organic light-emitting device
    16.
    发明授权
    Organic light-emitting device 有权

    公开(公告)号：US09887365B2

    公开(公告)日：2018-02-06

    申请号：US14731094

    申请日：2015-06-04

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Taekyung Kim ,  Jaeyong Lee ,  Minkyung Kim ,  Heeyeon Kim

    IPC: H01L51/00 ,  H01L51/50 ,  C09K11/06 ,  C07D213/22

    CPC classification number: H01L51/0067 ,  C07D213/22 ,  C09K11/06 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0077 ,  H01L51/508

    Abstract: An organic light-emitting device including a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a hole transport region between the first electrode and the emission layer, the hole transport region including at least one selected from a hole transport layer, a hole injection layer, and a buffer layer, and an electron transport region between the emission layer and the second electrode, the electron transport region including at least one selected from a hole blocking layer, an electron transport layer, and an electron injection layer, wherein the electron transport region includes a compound represented by Formula 1 and a compound represented by Formula 2

    ORGANIC LIGHT-EMITTING DEVICE
    17.
    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 and display apparatus including the same
    19.
    发明授权
    Organic light-emitting device and display apparatus including the same 有权

    公开(公告)号：US11569454B2

    公开(公告)日：2023-01-31

    申请号：US16813539

    申请日：2020-03-09

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jaeyong Lee ,  Taekyung Kim ,  Minkyung Kim ,  Seulong Kim ,  Pilgu Kang ,  Jiyoung Kwon ,  Soonchul Chang ,  Jaehoon Hwang

    IPC: H01L51/00 ,  H01L51/50 ,  H01L51/52

    Abstract: Provided are an organic-light-emitting device and a display apparatus including the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including at least one light-emitting unit, wherein the at least one light-emitting unit includes: an emission layer; and a hole transport region between the first electrode and the emission layer and including a first hole transport (HT) layer, the emission layer includes a host, the first HT layer includes a first compound, a minimum bond dissociation energy (BDE1HT) of the first compound is larger than a triplet energy (T1,host) of the host, and a minimum bond dissociation energy (BDEhost) of the host is larger than the triplet energy (T1,host) of the host.

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