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    Organic light emitting device and display device including same
    2.
    发明授权
    Organic light emitting device and display device including same 有权

    公开(公告)号：US11258032B2

    公开(公告)日：2022-02-22

    申请号：US15632759

    申请日：2017-06-26

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Jihwan Yoon ,  Sangwoo Pyo ,  Ilsoo Oh ,  Chang-Min Lee

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

    Abstract: An organic light emitting device and a display device, the organic light emitting device including a first electrode; a first organic layer on the first electrode; a first charge generating layer on the first organic layer; a second organic layer on the first charge generating layer, the second organic layer including a first light absorbing dye having an absorption wavelength of about 380 nm to 410 nm; and a second electrode on the second organic layer, wherein light is emitted from the device in the direction from the first electrode to the second electrode.

    Light-emitting device
    4.
    发明授权
    Light-emitting device 有权

    公开(公告)号：US11348974B2

    公开(公告)日：2022-05-31

    申请号：US16813497

    申请日：2020-03-09

    Applicant: Samsung Display Co., Ltd.

    Inventor： Pyungeun Jeon ,  Ilsoo Oh ,  Bora Lee ,  Yujin Kang ,  Juwon Lee

    IPC: H01L51/50 ,  H01L27/32 ,  C07F5/02 ,  C09K11/06 ,  H01L51/00 ,  H01L51/52 ,  H01L51/56

    Abstract: A light-emitting device includes: a plurality of first electrodes respectively in a first sub-pixel, a second sub-pixel, and a third sub-pixel; a second electrode facing the plurality of first electrodes; a first emission layer in the first sub-pixel and configured to emit a first color light; a second emission layer in the second sub-pixel and configured to emit a second color light; a first layer that is integrated with the first sub-pixel, the second sub-pixel, and the third sub-pixel; a first auxiliary layer between the first layer and the first emission layer; and a first intermediate layer between the first auxiliary layer and the first emission layer. The first emission layer includes a first host and a first dopant. The first dopant is configured to emit light having a full width at half maximum (FWHM) of about 35 nm or more.

    Organic electroluminescence display device
    6.
    发明授权
    Organic electroluminescence display device 有权

    公开(公告)号：US10910443B2

    公开(公告)日：2021-02-02

    申请号：US15642376

    申请日：2017-07-06

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Ilsoo Oh ,  Pyungeun Jeon ,  Myungsuk Han

    IPC: H01L27/32 ,  H01L51/00 ,  H01L51/50 ,  H01L51/52

    Abstract: An organic electroluminescence display device includes a first electrode, a first light emitter on the first electrode, the first light emitter including a first light emitting layer, a first charge generation layer disposed on the first light emitter, a second light emitter on the first charge generation layer, the second light emitter including a second light emitting layer, and a second electrode on the second light emitter. The first light emitter includes a first electron injection enhancing layer on the first light emitting layer. The second light emitter includes an electron injection suppressing layer on the second light emitting layer, the electron injection suppressing layer having electron mobility less than that of the first electron injection enhancing layer.

    Organic electro luminescence device and display device including the same
    8.
    发明授权
    Organic electro luminescence device and display device including the same 有权

    公开(公告)号：US12167619B2

    公开(公告)日：2024-12-10

    申请号：US17380547

    申请日：2021-07-20

    Applicant: Samsung Display Co., Ltd.

    Inventor： Hyomin Ko ,  Ilsoo Oh

    IPC: H10K50/15 ,  H10K50/11 ,  H10K50/852 ,  H10K59/12 ,  H10K59/35 ,  H10K85/30 ,  H10K85/60 ,  H10K101/40 ,  H10K102/00

    Abstract: Provided is an organic electroluminescence device including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The hole transport region includes a first hole transport layer disposed adjacent to the first electrode, the first hole transport layer including a first organic compound having a first dielectric constant and a second hole transport layer disposed between the first hole transport layer and the emission layer, the second hole transport layer including a second organic having a second dielectric constant which is greater than the first dielectric constant.

    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME
    10.
    发明公开
    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME 审中-公开

    公开(公告)号：US20230180505A1

    公开(公告)日：2023-06-08

    申请号：US17984119

    申请日：2022-11-09

    Applicant: Samsung Display Co., Ltd.

    Inventor： Hyeongpil Kim ,  Hyomin Ko ,  Ilsoo Oh ,  Bora Lee

    IPC: H01L51/50 ,  H01L51/52

    CPC classification number: H01L51/5076 ,  H01L51/5218 ,  H01L27/3244

    Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer arranged between the first electrode and the second electrode and including an emission layer, an electron transport layer, a first layer including a p-dopant and a second layer including an n-dopant,



    wherein the electron transport layer is located between the emission layer and the first electrode,
    the first layer and the second layer are located between the electron transport layer and the first electrode, and
    the first electrode is a reflective electrode.

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