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    Organic light emitting device and display device having the same
    5.
    发明授权
    Organic light emitting device and display device having the same 有权

    公开(公告)号：US10177334B2

    公开(公告)日：2019-01-08

    申请号：US14861775

    申请日：2015-09-22

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Eunji Choi ,  Jungmin Moon ,  Jahyun Im

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

    Abstract: An organic light emitting device includes a first electrode, a hole transport region provided on the first electrode, an emission layer provided on the hole transport region, an electron transport region provided on the emission layer, and a second electrode provided on the electron transport region. The electron transport region includes an electron transport layer provided on the emission layer, a first mixed electron transport layer provided on the electron transport layer, and a second mixed electron transport layer provided on the first mixed electron transport layer. The first mixed electron transport layer includes a first electron transport compound and a second electron transport compound different from the first electron transport compound mixed at a first ratio. The second mixed electron transport layer includes the first electron transport compound and the second electron transport compound mixed at a second ratio different from the first ratio.

    ORGANIC LIGHT EMITTING DEVICE AND DISPLAY DEVICE HAVING THE SAME
    6.
    发明申请
    ORGANIC LIGHT EMITTING DEVICE AND DISPLAY DEVICE HAVING THE SAME 审中-公开
    有机发光装置及其显示装置

    公开(公告)号：US20160276601A1

    公开(公告)日：2016-09-22

    申请号：US14861775

    申请日：2015-09-22

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Eunji Choi ,  Jungmin Moon ,  Jahyun Im

    IPC: H01L51/00 ,  H01L27/32

    CPC classification number: H01L51/508 ,  H01L51/0054 ,  H01L51/006 ,  H01L51/0067 ,  H01L51/5008

    Abstract: An organic light emitting device includes a first electrode, a hole transport region provided on the first electrode, an emission layer provided on the hole transport region, an electron transport region provided on the emission layer, and a second electrode provided on the electron transport region. The electron transport region includes an electron transport layer provided on the emission layer, a first mixed electron transport layer provided on the electron transport layer, and a second mixed electron transport layer provided on the first mixed electron transport layer. The first mixed electron transport layer includes a first electron transport compound and a second electron transport compound different from the first electron transport compound mixed at a first ratio. The second mixed electron transport layer includes the first electron transport compound and the second electron transport compound mixed at a second ratio different from the first ratio.

    Abstract translation: 有机发光器件包括第一电极，设置在第一电极上的空穴传输区域，设置在空穴传输区域上的发射层，设置在发射层上的电子传输区域和设置在电子传输区域上的第二电极 。 电子传输区域包括设置在发射层上的电子传输层，设置在电子传输层上的第一混合电子传输层和设置在第一混合电子传输层上的第二混合电子传输层。 第一混合电子传输层包括第一电子传输化合物和不同于以第一比率混合的第一电子传输化合物的第二电子传输化合物。 第二混合电子传输层包括以与第一比率不同的第二比率混合的第一电子传输化合物和第二电子传输化合物。

    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME
    7.
    发明申请
    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME 有权

    公开(公告)号：US20250056962A1

    公开(公告)日：2025-02-13

    申请号：US18791801

    申请日：2024-08-01

    Applicant: Samsung Display Co., Ltd.

    Inventor： Seulong Kim ,  Donghwan Kim ,  Hyerim Kim ,  Jihyun Seo ,  Jahyun Im

    IPC: H10K50/13 ,  C09K11/02 ,  C09K11/06 ,  H10K50/12 ,  H10K85/30

    Abstract: A light-emitting device includes a first emission unit including a first red emission layer, a first green emission layer, and a first blue emission layer, and a second emission unit including a second red emission layer, a second green emission layer, and a second blue emission layer, wherein at least one selected from among the first blue emission layer of the first emission unit and the second blue emission layer of the second emission unit includes two types (kinds) of dopants, and at least one selected from among the first red emission layer, the second red emission layer, the first green emission layer, the second green emission layer, the first blue emission layer, and the second blue emission layer includes two types (kinds) of hosts.

    Organic light emitting display device and method of manufacturing the same
    8.
    发明授权
    Organic light emitting display device and method of manufacturing the same 有权

    公开(公告)号：US11315994B2

    公开(公告)日：2022-04-26

    申请号：US16727798

    申请日：2019-12-26

    Applicant: Samsung Display Co., Ltd.

    Inventor： Kyoungju Shin ,  Seohee Ha ,  Jahyun Im

    IPC: H01L27/32 ,  H01L51/50 ,  H01L51/56

    Abstract: An OLED device may include the following elements: a common electrode; a first pixel electrode overlapping the common electrode; a first emission layer positioned between the first pixel electrode and the common electrode; a second pixel electrode; a second emission layer positioned between the second pixel electrode and the common electrode; and a pixel defining layer including a first opening, a second opening, a first flat face, and an uneven surface structure, wherein the first opening partially exposes the first pixel electrode, wherein the second opening partially exposes the second pixel electrode, wherein the first flat face may be opposite the uneven surface and may be positioned between the first pixel electrode to the second electrode, and wherein the uneven surface may be positioned between the first opening and the second opening.

    Organic electroluminescent device and display including the same
    9.
    发明授权
    Organic electroluminescent device and display including the same 有权

    公开(公告)号：US10910580B2

    公开(公告)日：2021-02-02

    申请号：US15141896

    申请日：2016-04-29

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Eunji Choi ,  Jahyun Im

    IPC: H01L51/50 ,  H01L51/00

    Abstract: An organic electroluminescent device and display, the device including a first electrode; a second electrode on the first electrode; an emission layer between the first and second electrodes; and an electron transport layer between the emission layer and the second electrode, the electron transport layer including a first electron transport layer on the emission layer; a second electron transport layer on the first electron transport layer; and a third electron transport layer on the second electron transport layer, wherein the first electron transport layer includes a first electron transport material, the second electron transport layer includes the first electron transport material, a second electron transport material, and a third electron transport material, the third electron transport layer includes the second electron transport material and the third electron transport material, and the first, second, and third electron transport materials are different from one another.

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