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    DISPLAY DEVICE
    1.
    发明申请
    DISPLAY DEVICE 有权

    公开(公告)号：US20210111374A1

    公开(公告)日：2021-04-15

    申请号：US17130762

    申请日：2020-12-22

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： WOOYONG SUNG ,  WONWOO CHOI ,  SOOYOUN KIM ,  JUNGHAN SEO ,  SEOYEON LEE ,  HYOUNGSUB LEE ,  MOONWON CHANG ,  SEUNGGUN CHAE ,  SEUNGYONG SONG

    IPC: H01L51/52 ,  G06F3/044 ,  G06F3/041 ,  H01L21/762 ,  H01L27/32 ,  H01L51/00

    Abstract: A display device includes: a substrate that includes an opening and a display area that surrounds the opening; a plurality of grooves formed in the substrate between the opening and the display area; a display element layer on the substrate and that includes a plurality of display elements in the display area; a thin-film encapsulation layer disposed on the display element layer, the thin-film encapsulation layer including a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer which are sequentially stacked; a planarization layer disposed over the plurality of grooves and that includes an organic insulating material, wherein the planarization layer is disposed over the second inorganic encapsulation layer, and the organic encapsulation layer is disposed below the second inorganic encapsulation layer.

    DISPLAY DEVICE AND MANUFACTURING METHOD OF THE SAME
    2.
    发明申请
    DISPLAY DEVICE AND MANUFACTURING METHOD OF THE SAME 有权

    公开(公告)号：US20250017077A1

    公开(公告)日：2025-01-09

    申请号：US18634685

    申请日：2024-04-12

    Applicant: Samsung Display Co., LTD.

    Inventor： WONWOO CHOI

    IPC: H10K59/80 ,  H10K59/12 ,  H10K102/00

    Abstract: A display device includes a display panel including a first non-folding region, a folding region, and a second non-folding region arranged in a first direction, a plurality of panel protection layers disposed under the first non-folding region and the second non-folding region, and a filling part that is disposed between the plurality of panel protection layers and that overlaps the folding region. A lower surface of the filling part has a height greater than or equal to each of heights of lower surfaces of the plurality of panel protection layers.

    DISPLAY PANEL
    3.
    发明申请
    DISPLAY PANEL 有权

    公开(公告)号：US20210143370A1

    公开(公告)日：2021-05-13

    申请号：US17106719

    申请日：2020-11-30

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： WONWOO CHOI ,  WOOYONG SUNG ,  SOOYOUN KIM ,  JUNGHAN SEO ,  SEOYEON LEE ,  HYOUNGSUB LEE ,  MOONWON CHANG ,  SEUNGGUN CHAE

    IPC: H01L51/52 ,  H01L27/32

    Abstract: A display panel includes a plurality of display elements arranged in a display area, an opening, a multi-layer including a first layer and a second layer disposed on the first layer, and a groove. Each display element includes a pixel electrode, an emission layer disposed on the pixel electrode, and an opposite electrode disposed on the emission layer. The display area surrounds the opening. The groove is located between the opening and the display area. The groove has an undercut cross-section that is concave in a thickness direction of the multi-layer, the second layer includes a pair of tips that protrude toward a center of the groove, and a length of each tip is less than about 2μm.

    DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME
    5.
    发明申请
    DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME 有权

    公开(公告)号：US20210043858A1

    公开(公告)日：2021-02-11

    申请号：US16866825

    申请日：2020-05-05

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： WONWOO CHOI ,  WOO YONG SUNG

    IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  B41M5/00

    Abstract: A method for manufacturing the display device includes preparing a display panel on which a folding area folded with reference to a virtual folding axis and first and second non-folding areas, which are adjacent to both sides of the folding area, are defined and which displays an image, providing a resin on a first surface of the display panel, primarily hardening the resin, and secondarily hardening first and second resin areas of the resin, which respectively correspond to the first non-folding area and the second non-folding area of the display panel.

    DISPLAY DEVICE
    6.
    发明申请
    DISPLAY DEVICE 有权

    公开(公告)号：US20230113895A1

    公开(公告)日：2023-04-13

    申请号：US17900207

    申请日：2022-08-31

    Applicant: Samsung Display Co., Ltd.

    Inventor： IN-BAE KIM ,  Jaechung KIM ,  SEUNGCHAN LEE ,  JAEIK LIM ,  WONWOO CHOI

    IPC: H01L27/32 ,  H01L51/52

    Abstract: A display device includes a base layer, a circuit layer including a reinforcing layer disposed on the base layer and transistors disposed on the reinforced layer, where each of the transistors includes a semiconductor pattern including a source, an active, a drain, and a gate, and a display layer including a light-emitting diode connected to the transistors, where the reinforcing layer overlaps three or more actives among actives of the transistors. Some of semiconductor patterns of the transistors include polysilicon, others of the semiconductor patterns of the transistors include oxide, and a distance from the reinforcing layer to a semiconductor pattern including the polysilicon is shorter than a distance from the reinforcing layer to a semiconductor pattern including the oxide.

    PIXEL AND DISPLAY DEVICE INCLUDING THE SAME
    7.
    发明申请
    PIXEL AND DISPLAY DEVICE INCLUDING THE SAME 有权

    公开(公告)号：US20230045085A1

    公开(公告)日：2023-02-09

    申请号：US17709848

    申请日：2022-03-31

    Applicant: Samsung Display Co., Ltd.

    Inventor： WONWOO CHOI ,  Jaechung KIM ,  JAEIK LIM ,  IN-BAE KIM

    IPC: H01L27/32

    Abstract: A pixel includes a light emitting element including an anode and a cathode, a first transistor connected between the anode and a first power line and switched by a voltage of a node, a second transistor connected between the first transistor connected to the first power line and a data line and switched by a write scan signal, a third transistor connected between the node and the anode and switched by a compensation scan signal, and an insulating layer covering the second and third transistors. A first groove is defined in a portion of the insulating layer adjacent to the third transistor.

    DISPLAY DEVICE
    8.
    发明申请
    DISPLAY DEVICE 有权

    公开(公告)号：US20230014088A1

    公开(公告)日：2023-01-19

    申请号：US17935570

    申请日：2022-09-26

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Wooyong Sung ,  WONWOO CHOI ,  SOOYOUN KIM ,  JUNGHAN SEO ,  SEOYEON LEE ,  HYOUNGSUB LEE ,  MOONWON CHANG ,  SEUNGGUN CHAE ,  SEUNGYONG SONG

    IPC: H01L51/52 ,  G06F3/044 ,  G06F3/041 ,  H01L21/762 ,  H01L27/32 ,  H01L51/00

    Abstract: A display device includes: a substrate that includes an opening and a display area that surrounds the opening; a plurality of grooves formed in the substrate between the opening and the display area; a display element layer on the substrate and that includes a plurality of display elements in the display area; a thin-film encapsulation layer disposed on the display element layer, the thin-film encapsulation layer including a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer which are sequentially stacked; a planarization layer disposed over the plurality of grooves and that includes an organic insulating material, wherein the planarization layer is disposed over the second inorganic encapsulation layer, and the organic encapsulation layer is disposed below the second inorganic encapsulation layer.

    DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME
    9.
    发明申请
    DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME 有权

    公开(公告)号：US20210066418A1

    公开(公告)日：2021-03-04

    申请号：US16991492

    申请日：2020-08-12

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： JUNGHAN SEO ,  WOOYONG SUNG ,  WOOYOUNG KIM ,  SEUNGYONG SONG ,  SUNGHOON YANG ,  KWANHYUCK YOON ,  SEUNGGUN CHAE ,  WONWOO CHOI

    IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

    Abstract: A display apparatus includes a substrate, a display area disposed on the substrate and including a plurality of pixels, a first planarization layer disposed on the substrate, a second planarization layer disposed on the first planarization layer, a pixel-defining layer disposed on the second planarization layer and covering at least one edge of a first electrode of each of the plurality of pixels, a plurality of first holes disposed between the plurality of pixels and spaced apart from the first electrode, and a first etching prevention layer disposed on a bottom surface of each of the first holes and on the first planarization layer. Each of the first holes includes an opening that passes through the second planarization layer and the pixel-defining layer.

    DISPLAY PANEL
    10.
    发明申请
    DISPLAY PANEL 审中-公开

    公开(公告)号：US20200119304A1

    公开(公告)日：2020-04-16

    申请号：US16401536

    申请日：2019-05-02

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： WONWOO CHOI ,  WOOYONG SUNG ,  SOOYOUN KIM ,  JUNGHAN SEO ,  SEOYEON LEE ,  HYOUNGSUB LEE ,  MOONWON CHANG ,  SEUNGGUN CHAE

    IPC: H01L51/52 ,  H01L27/32

    Abstract: A display panel includes a plurality of display elements arranged in a display area, an opening, a multi-layer including a first layer and a second layer disposed on the first layer, and a groove. Each display element includes a pixel electrode, an emission layer disposed on the pixel electrode, and an opposite electrode disposed on the emission layer. The display area surrounds the opening. The groove is located between the opening and the display area. The groove has an undercut cross-section that is concave in a thickness direction of the multi-layer, the second layer includes a pair of tips that protrude toward a center of the groove, and a length of each tip is less than about 2 μm.

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