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    Display device
    1.
    发明授权
    Display device 有权

    公开(公告)号：US11455913B2

    公开(公告)日：2022-09-27

    申请号：US16932365

    申请日：2020-07-17

    Applicant: LG Display Co., Ltd.

    Inventor： Hoiyong Kwon ,  JiHun Song

    IPC: G09F9/30 ,  H01L51/52 ,  H05K1/18

    Abstract: A display device according to an exemplary embodiment of the present disclosure includes a display panel, a back cover which supports the display panel on a rear surface of the display panel, a plurality of flexible films which is electrically connected to one end of the display panel and is disposed on one surface of the back cover, a printed circuit board which is electrically connected to the plurality of flexible films and disposed on the one surface of the back cover, and a roller to which the display panel and the back cover are wound or unwound, and the roller includes a flat portion and a first curved portion and a second curved portion having different radii of curvature. Accordingly, the damage of the plurality of flexible films and the printed circuit board may be reduced.

    Flexible display
    2.
    发明授权
    Flexible display 有权

    公开(公告)号：US10276723B2

    公开(公告)日：2019-04-30

    申请号：US15714000

    申请日：2017-09-25

    Applicant: LG Display Co., Ltd.

    Inventor： Sangcheon Youn ,  Seyeoul Kwon ,  Hoiyong Kwon ,  Eunah Kim

    IPC: H01L21/02 ,  H01L27/12 ,  H01L21/283 ,  H01L29/417 ,  H01L29/786

    Abstract: A flexible display is disclosed. The flexible display including an oxide semiconductor thin film transistor on a plastic substrate includes a first buffer layer disposed on the plastic substrate, a second buffer layer disposed on the first buffer layer and formed of silicon oxide (SiOx), and an active layer disposed on the second buffer layer and formed of an oxide semiconductor. The first buffer layer includes a lower layer directly contacting the plastic substrate and formed of silicon nitride (SiNx) and an upper layer disposed on the lower layer and formed of silicon oxide (SiOx).

    Display device
    6.
    发明授权
    Display device 有权

    公开(公告)号：US11270606B2

    公开(公告)日：2022-03-08

    申请号：US16990200

    申请日：2020-08-11

    Applicant: LG Display Co., Ltd.

    Inventor： Hoiyong Kwon ,  JiHun Song

    IPC: G06F1/16 ,  G09F9/30 ,  H05K5/00 ,  H05K5/02

    Abstract: A display device includes a display panel, a first back cover which supports the display panel on a rear surface of the display panel; at least one flexible film which is electrically connected to a lower end of a rear surface of the display panel and is disposed on a rear surface of the first back cover; a printed circuit board which is electrically connected to the flexible film and disposed on the rear surface of the first back cover; a cover unit which accommodates the flexible films and the printed circuit board on the rear surface of the first back cover; and a roller around which the display panel and the first back cover are wound or unwound. Accordingly, a pad crack caused by a tension of the plurality of flexible films may be improved.

    LIGHT EMITTING DISPLAY DEVICE
    9.
    发明申请
    LIGHT EMITTING DISPLAY DEVICE 审中-公开

    公开(公告)号：US20190207150A1

    公开(公告)日：2019-07-04

    申请号：US16226404

    申请日：2018-12-19

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Hoiyong Kwon ,  SeYeoul Kwon

    IPC: H01L51/52 ,  H01L27/32

    Abstract: Disclosed is a light emitting display device capable of realizing a uniform luminance, wherein the light emitting display device may include a substrate including a plurality of sub pixel areas having an emission area and an anode contact area adjacent to the emission area, a driving thin film transistor disposed in each of the plurality of sub pixel areas, a planarization layer disposed on the substrate and configured to cover the driving thin film transistor disposed in each of the plurality of sub pixel areas, a cathode electrode disposed on the planarization layer overlapped with the emission area in each of the plurality of sub pixel areas, a plurality of connection electrode patterns disposed on the planarization layer overlapped with the anode contact area in each of the plurality of sub pixel areas, and connected with respective source electrodes of the driving thin film transistors disposed in the plurality of sub pixel areas by one-to-one correspondence, an emission layer disposed on the cathode electrode, and a plurality of anode electrodes disposed on the emission layer in each of the plurality of sub pixel areas, and connected with the plurality of connection electrode patterns through the anode contact area by one-to-one correspondence.

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