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    ORGANIC LIGHT-EMITTING DEVICE
    31.
    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。

    Capping layer for tandem structure and display device having the same
    33.
    发明授权
    Capping layer for tandem structure and display device having the same 有权

    公开(公告)号：US11844257B2

    公开(公告)日：2023-12-12

    申请号：US17347851

    申请日：2021-06-15

    Applicant: Samsung Display Co., LTD.

    Inventor： Solji Kim ,  Jungjin Yang ,  Donghoon Kim ,  Jin Woo Park ,  Jinsook Bang ,  Seokjae Lee ,  Sunhye Lee ,  Sanghoon Yim

    IPC: H10K59/35 ,  H10K50/19 ,  H10K50/852

    CPC classification number: H10K59/35 ,  H10K50/19 ,  H10K50/852

    Abstract: A display device includes a first pixel area including a first pixel electrode and a first organic light emitting layer, a tandem pixel area including a tandem pixel electrode, a first tandem organic light emitting layer and a second tandem organic light emitting layer, a capping layer including a first capping layer corresponding to the first organic light emitting layer and a tandem capping layer corresponding to both the first tandem organic light emitting layer and the second tandem organic light emitting layer, and a common electrode between the first capping layer and the first organic light emitting layer and between the tandem capping layer and the second tandem organic light emitting layer. Each of the first capping layer and the tandem capping layer has a thickness, and the thickness of the tandem capping layer is smaller than the thickness of the first capping layer.

    Organic light-emitting device having electron transport region including lanthanide and alkali metal halide
    37.
    发明授权
    Organic light-emitting device having electron transport region including lanthanide and alkali metal halide 有权

    公开(公告)号：US10181572B2

    公开(公告)日：2019-01-15

    申请号：US15904286

    申请日：2018-02-23

    Applicant: Samsung Display Co., Ltd.

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

    IPC: H01L29/08 ,  H01L51/50 ,  H01L51/52 ,  H01L51/00

    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.

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