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    Display apparatus having a bank on a pixel defining layer
    3.
    发明授权
    Display apparatus having a bank on a pixel defining layer 有权

    公开(公告)号：US12069899B2

    公开(公告)日：2024-08-20

    申请号：US17354404

    申请日：2021-06-22

    Applicant: Samsung Display Co., Ltd.

    Inventor： Hyeongpil Kim ,  Byounghun Sung

    IPC: H10K59/122 ,  H10K50/13 ,  H10K59/38

    CPC classification number: H10K59/122 ,  H10K59/38 ,  H10K50/13

    Abstract: A display apparatus includes a lower substrate, a first pixel electrode, a second pixel electrode, and a third pixel electrode that are disposed apart from each other on the lower substrate, a pixel defining layer overlapping an edge of each of the first pixel electrode, the second pixel electrode, and the third pixel electrode, the pixel defining layer including a first opening exposing a center portion of the first pixel electrode, a second opening exposing a center portion of the second pixel electrode, and a third opening exposing a center portion of the third pixel electrode, and a bank disposed on the pixel defining layer and isolating the first opening from the second opening and the third opening.

    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME
    4.
    发明申请
    LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME 有权

    公开(公告)号：US20220246877A1

    公开(公告)日：2022-08-04

    申请号：US17447526

    申请日：2021-09-13

    Applicant: Samsung Display Co., Ltd.

    Inventor： Seokgyu Yoon ,  Kyungsik Kim ,  Soungwook Kim ,  Jaeyong Lee ,  Kunwook Cho ,  Hyeongpil Kim ,  Jaejin Lyu

    IPC: H01L51/52 ,  H01L51/50

    Abstract: A light-emitting device includes: a first electrode; an interlayer including a hole transport layer, an emission layer; and an electron transport region; and a second electrode stacked in order, wherein the first electrode and the hole transport layer are in direct contact, the first electrode has a multi-layered structure in which a first layer to an mth layer (m is an integer 3) are sequentially stacked, the mth layer consists of a first inorganic material including: a single material selected from GeO2, MoO3, and WOx (2.1≤x≤2.99); a mixed material of two or more selected from In2O3, GeO2, SnO2, MoO3, and WOx; or any combination thereof, the absolute value of the work function of the first inorganic material is greater than or equal to the absolute value of the HOMO energy level of the hole transport layer, and the hole transport layer does not include a p-dopant.

    Display apparatus with organic light-emitting diodes
    5.
    发明授权
    Display apparatus with organic light-emitting diodes 有权

    公开(公告)号：US12232390B2

    公开(公告)日：2025-02-18

    申请号：US17371103

    申请日：2021-07-09

    Applicant: Samsung Display Co., Ltd.

    Inventor： Hyeongpil Kim ,  Byounghun Sung

    IPC: H10K59/35 ,  H10K50/15 ,  H10K59/122 ,  H10K59/38

    Abstract: A display apparatus includes: a first organic light-emitting diode, a second organic light-emitting diode, and a third organic light-emitting diode arranged on a substrate; a first intermediate layer commonly included in the first organic light-emitting diode and the second organic light-emitting diode, the first intermediate layer including a first emission layer and a first hole transport layer; a second intermediate layer included in the third organic light-emitting diode, the second intermediate layer including a second emission layer and a second hole transport layer; and a first color converting layer, a second color converting layer, and a third color converting layer. The first emission layer and the second emission layer are configured to emit different color lights from each other, and a hole mobility of the first hole transport layer is different from a hole mobility of the second hole transport layer.

    Display panel
    6.
    发明授权
    Display panel 有权

    公开(公告)号：US12041798B2

    公开(公告)日：2024-07-16

    申请号：US17448162

    申请日：2021-09-20

    Applicant: Samsung Display Co., Ltd.

    Inventor： Hyeongpil Kim ,  Byoung-Hun Sung

    IPC: H10K59/38 ,  H10K30/80 ,  H10K59/122

    CPC classification number: H10K30/865 ,  H10K59/122 ,  H10K59/38

    Abstract: A display panel includes an upper display substrate in which first to third pixel regions respectively configured to emit first to third light are defined, and a lower display substrate including first to third light-emitting elements respectively overlapping the first to third pixel regions. The first light-emitting element and the second light-emitting element each include one or more first stack parts and one or more first charge generation layers, each of the one or more first stack parts including a first emission layer configured to emit the second light. The third light-emitting element includes one or more second stack parts and one or more second charge generation layers, each of the one or more second stacking parts including a second emission layer configured to emit the third light. The first charge generation layer includes organic dopants, and the second charge generation layer includes inorganic dopants.

    Display device
    8.
    发明授权
    Display device 有权

    公开(公告)号：US12082433B2

    公开(公告)日：2024-09-03

    申请号：US17489775

    申请日：2021-09-30

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Hyeongpil Kim ,  Byoung-Hun Sung

    IPC: H10K50/13 ,  H10K50/165 ,  H10K59/122 ,  H10K59/38

    CPC classification number: H10K50/131 ,  H10K50/165 ,  H10K59/122 ,  H10K59/38

    Abstract: A display device includes an upper display substrate including a first pixel region for emitting a first light, a second pixel region for emitting a second light different from the first light, and a third pixel region for emitting a third light different from the first light and the second light; and a lower display substrate including a first light-emitting element overlapping the first pixel region, a second light-emitting element overlapping the second pixel region, and a third light-emitting element overlapping the third pixel region. The second light-emitting element includes one or more first stacks for emitting the second light, the third light-emitting element includes one or more second stacks for emitting the third light, and a concentration of a conductive material included in the one or more first stacks is higher than a concentration of a conductive material included in the one or more second stacks.

    LIGHT-EMITTING DEVICE AND AN ELECTRONIC APPARATUS INCLUDING SAME
    10.
    发明申请
    LIGHT-EMITTING DEVICE AND AN ELECTRONIC APPARATUS INCLUDING SAME 有权

    公开(公告)号：US20220199903A1

    公开(公告)日：2022-06-23

    申请号：US17528187

    申请日：2021-11-16

    Applicant: Samsung Display Co., Ltd.

    Inventor： Hyeongpil Kim

    IPC: H01L51/00 ,  C09K11/06

    Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the interlayer includes a hole injection layer and a hole transport layer between the first electrode and the emission layer, the hole injection layer directly contacts the first electrode, the hole injection layer has a multi-layered structure of at least two different layers that are stacked on each other, the hole injection layer includes at least one inorganic material of a post-transition metal, a metalloid, a compound including at least two post-transition metal elements, a compound including at least two metalloid elements, or a compound including a post-transition metal element and a metalloid element, the post-transition metal and the metalloid are described herein.

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