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    DISPLAY DEVICE
    32.
    发明申请
    DISPLAY DEVICE 有权

    公开(公告)号：US20210217991A1

    公开(公告)日：2021-07-15

    申请号：US17021192

    申请日：2020-09-15

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Woosuk Jung ,  Su Jeong Kim ,  Jaeheung Ha ,  Wonjong Kim ,  Yisu Kim ,  Changyeong Song ,  Hyein Yang ,  Yongchan Ju

    IPC: H01L51/52 ,  H01L27/32

    Abstract: Provided is a display device including a base layer; a light emitting element layer disposed on the base layer; and a thin-film encapsulation layer disposed on and encapsulating the light emitting element layer, where the thin-film encapsulation layer includes an inorganic layer having at least one inorganic sub-layer pair, where the at least one inorganic sub-layer pair includes a first inorganic sub-layer having a first refractive index and a second inorganic sub-layer disposed on the first inorganic sub-layer and having a second refractive index different from the first refractive index.

    Organic light-emitting device
    34.
    发明授权
    Organic light-emitting device 有权

    公开(公告)号：US10236455B2

    公开(公告)日：2019-03-19

    申请号：US15223514

    申请日：2016-07-29

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Wonsuk Han ,  Dongchan Kim ,  Wonjong Kim ,  Eungdo Kim ,  Dongkyu Seo ,  Jihye Lee ,  Dahea Im ,  Sanghoon Yim ,  Yoonhyeung Cho

    IPC: H01L51/50 ,  H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  H05B33/14 ,  H05B33/20

    Abstract: An organic light-emitting device is provided to have high efficiency and long lifespan. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer disposed between the first electrode and the second electrode and including a host and a dopant; an electron blocking layer disposed between the first electrode and the emission layer; and an electron transport region disposed between the emission layer and the second electrode, in which the electron blocking layer includes a metal halide, a metal oxide, or a combination thereof, and the actually measured lowest unoccupied molecular orbital (LUMO) value of the electron blocking layer is greater than the actually measured LUMO value of the host in the emission layer.

    ORGANIC LIGHT-EMITTING DEVICE
    36.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 有权
    有机发光装置

    公开(公告)号：US20160248034A1

    公开(公告)日：2016-08-25

    申请号：US14831824

    申请日：2015-08-20

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Eungdo Kim ,  Dongchan Kim ,  Wonjong Kim ,  Dongkyu Seo ,  Dahea Im ,  Sanghoon Yim ,  Wonsuk Han

    IPC: H01L51/50 ,  H01L51/52

    CPC classification number: H01L51/5072 ,  H01L51/0081 ,  H01L51/5084 ,  H01L51/5092 ,  H01L51/5221 ,  H01L51/5231 ,  H01L2251/301 ,  H01L2251/558

    Abstract: An organic light-emitting device includes a substrate, an anode on the substrate, a hole transport region on the anode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a cathode on the electron transport region, wherein the electron transport region includes an electron injection layer including a first material including at least one of a halide of an alkali metal, and a second material including at least one of a lanthanide metal and a alkaline earth metal, and wherein the cathode contacts the electron injection layer and includes a first metal including at least one of silver, gold, platinum, copper, manganese, titanium, cobalt, nickel, and tungsten, and a second metal including at least one of a lanthanide metal and an alkaline earth metal, wherein an amount of the first metal is equal to or greater than that of the second metal.

    Abstract translation: 有机发光装置包括基板，基板上的阳极，阳极上的空穴传输区域，空穴传输区域上的发光层，发光层上的电子传输区域和电子传输区域上的阴极 其中，所述电子传输区域包括电子注入层，所述电子注入层包括包含碱金属的卤化物中的至少一种的第一材料和包含镧系金属和碱土金属中的至少一种的第二材料，并且其中所述阴极接触 电子注入层，并且包括包含银，金，铂，铜，锰，钛，钴，镍和钨中的至少一种的第一金属和包含镧系金属和碱土金属中的至少一种的第二金属 其中所述第一金属的量等于或大于所述第二金属的量。

    LIGHT-EMITTING DEVICE
    37.
    发明公开
    LIGHT-EMITTING DEVICE 审中-公开

    公开(公告)号：US20240074270A1

    公开(公告)日：2024-02-29

    申请号：US18383842

    申请日：2023-10-25

    Applicant: Samsung Display Co., LTD.

    Inventor： Pyungeun Jeon ,  Yoojin Sohn ,  Juwon Lee ,  Wonjong Kim

    IPC: H10K59/35 ,  H10K50/11

    CPC classification number: H10K59/35 ,  H10K50/11 ,  H10K50/156

    Abstract: A light-emitting device includes: a plurality of first electrodes respectively disposed in a first subpixel, a second subpixel, and a third subpixel; a second electrode facing the plurality of first electrodes; a first emission layer disposed in the first subpixel to emit a first-color light; a second emission layer disposed in the second subpixel to emit a second-color light; a first layer disposed between the second electrode and each of the first emission layer and the second emission layer, and integrated with the first subpixel, the second subpixel, and the third subpixel; a hole transport region disposed between the plurality of first electrodes and each of the first layer, the first emission layer, and the second emission layer; a first auxiliary layer disposed between the hole transport region and the first emission layer; and a first intermediate layer disposed between the first auxiliary layer and the first emission layer.

    Display device
    40.
    发明授权
    Display device 有权

    公开(公告)号：US11637268B2

    公开(公告)日：2023-04-25

    申请号：US17021192

    申请日：2020-09-15

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Woosuk Jung ,  Su Jeong Kim ,  Jaeheung Ha ,  Wonjong Kim ,  Yisu Kim ,  Changyeong Song ,  Hyein Yang ,  Yongchan Ju

    IPC: H01L51/52 ,  H01L27/32

    Abstract: Provided is a display device including a base layer; a light emitting element layer disposed on the base layer; and a thin-film encapsulation layer disposed on and encapsulating the light emitting element layer, where the thin-film encapsulation layer includes an inorganic layer having at least one inorganic sub-layer pair, where the at least one inorganic sub-layer pair includes a first inorganic sub-layer having a first refractive index and a second inorganic sub-layer disposed on the first inorganic sub-layer and having a second refractive index different from the first refractive index.

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