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    ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME
    5.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE AND APPARATUS INCLUDING THE SAME 有权

    公开(公告)号：US20210104698A1

    公开(公告)日：2021-04-08

    申请号：US17060532

    申请日：2020-10-01

    Applicant: Samsung Display Co., LTD.

    Inventor： Mikyung KIM ,  Jaehyun Lee ,  Seunggak Yang ,  Byounghee Park ,  Jihyun Seo

    IPC: H01L51/50 ,  H01L51/00

    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer disposed between the first electrode and the second electrode and includes an emission layer; and a first compound and a second compound; wherein the first compound includes a hole transport compound not including an electron transport moiety, and the second compound includes an electron transport compound including an electron transport moiety or a bipolar compound including an electron transport moiety, wherein the second compound includes deuterium.

    ORGANIC LIGHT-EMITTING DEVICE
    6.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 有权

    公开(公告)号：US20170125685A1

    公开(公告)日：2017-05-04

    申请号：US15174916

    申请日：2016-06-06

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Seunggak Yang

    IPC: H01L51/00

    CPC classification number: H01L51/0058 ,  H01L51/0044 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/006 ,  H01L51/5008 ,  H01L51/5012

    Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; 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, the electron transport region including an intermediate layer, wherein the emission layer includes a first compound and a second compound, each independently selected from compounds represented by Formula 1, and the intermediate layer includes a third compound and a fourth compound, each independently selected from compounds represented by Formula 2:

    Organic electroluminescence device
    7.
    发明授权
    Organic electroluminescence device 有权

    公开(公告)号：US11437597B2

    公开(公告)日：2022-09-06

    申请号：US16594683

    申请日：2019-10-07

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jin-O Lim ,  Seunggak Yang ,  Samil Kho

    IPC: H01L51/00 ,  C07F15/00 ,  H01L51/50 ,  H01L27/32

    Abstract: An organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, a first emission layer disposed on the hole transport region and including a first light-emitting host and a first light-emitting dopant, a second emission layer disposed on the first emission layer and including a first electron transport material and a second light-emitting dopant, an electron transport region disposed on the second emission layer and including a second electron transport material, and a second electrode disposed on the electron transport region, wherein a triplet energy of the first light-emitting host (T1a), a triplet energy of the second light-emitting dopant (T1b) and a triplet energy of the second electron transport material (T1c) satisfy a relation of T1a

    Organic light-emitting display apparatus
    9.
    发明授权
    Organic light-emitting display apparatus 有权

    公开(公告)号：US10553651B2

    公开(公告)日：2020-02-04

    申请号：US16016145

    申请日：2018-06-22

    Applicant: Samsung Display Co., Ltd.

    Inventor： Sanghoon Yim ,  Donghoon Kim ,  Samil Kho ,  Mikyung Kim ,  Eunkyoung Kim ,  Seunggak Yang ,  Kwanhee Lee

    IPC: H01L27/32 ,  H01L51/52

    Abstract: An organic light-emitting display apparatus includes a first sub-pixel, a second sub-pixel, and a third sub-pixel configured to emit different colors of light. The organic light-emitting display apparatus includes: a substrate; first through third pixel electrodes; a first organic emission layer configured to emit light having a first wavelength; a second organic emission layer configured to emit light having a second wavelength; a third organic emission layer configured to emit light having a third wavelength; an opposite electrode; a capping layer over the opposite electrode and having a refractive index with respect to the first wavelength that is higher than a refractive index with respect to the second wavelength by at least 7%; and a thin-film encapsulation layer over the capping layer.

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