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    Foldable display device
    2.
    发明授权
    Foldable display device 有权

    公开(公告)号：US11797054B2

    公开(公告)日：2023-10-24

    申请号：US17534948

    申请日：2021-11-24

    Applicant: LG Display Co., Ltd.

    Inventor： NohJin Myung ,  Wansoo Lee ,  Youngjoo Park ,  Jieun Lee ,  Eun Roh

    IPC: G06F1/16

    CPC classification number: G06F1/1652 ,  G06F1/1616 ,  G06F1/1618 ,  G06F1/1681

    Abstract: A foldable display device includes a display panel which includes a folding area and non-folding areas on some sides of the folding area, and a hinge unit which is disposed in an area corresponding to the folding area below the display panel to in-fold or out-fold the display panel. The hinge unit includes a plurality of rotary shafts and a plurality of coupling links disposed between the plurality of rotary shafts. Accordingly, the foldable display device can be bi-directionally (e.g., inwardly or outwardly) folded by the hinge unit with a simple structure. Further, a radius of curvature during the folding can be desirably changed by adjusting a component of the hinge unit, for example, a number of the plurality of rotary shafts and the plurality of coupling links, a cross-sectional length, and the like.

    Cover Window and Flexible Display Device Having the Same
    5.
    发明申请
    Cover Window and Flexible Display Device Having the Same 有权

    公开(公告)号：US20220020298A1

    公开(公告)日：2022-01-20

    申请号：US17370581

    申请日：2021-07-08

    Applicant: LG Display Co., Ltd.

    Inventor： Changwoo Chun ,  Sejin Jang ,  JooHye Park ,  Wansoo Lee

    IPC: G09F9/30 ,  H01L51/52 ,  C09J175/04

    Abstract: The present disclosure relates to a cover window and a flexible display device including the same. The cover window according to an exemplary embodiment of the present disclosure includes a first layer having a first modulus, a second layer disposed on the first layer and having a second modulus smaller than the first modulus, and a third layer disposed on the second layer and having a third modulus equal to or larger than the first modulus, and in which the third layer includes a nanoparticle-polyurethane complex in which polyurethane is bonded with nanoparticles by a covalent bond. Therefore, the cover window of the present disclosure provides effects that the folding and rolling are possible with excellent surface characteristic and the restorability against the pressing and excellent optical property.

    Flexible display device
    6.
    发明授权
    Flexible display device 有权

    公开(公告)号：US12216244B2

    公开(公告)日：2025-02-04

    申请号：US17858681

    申请日：2022-07-06

    Applicant: LG Display Co., Ltd.

    Inventor： Wansoo Lee ,  Youngjoo Park ,  ByoungHar Hwang ,  Taehyoung Kwak ,  Changwoo Chun

    IPC: G06F1/16 ,  G02B1/04 ,  G02B1/14 ,  G09F9/30 ,  H10K59/80

    Abstract: The present disclosure relates to a flexible display device, and more particularly, a flexible display device includes a display panel, and a cover member which is disposed on the display panel and includes a thin glass and an adhesive member disposed so as to enclose the thin glass, at this time, the adhesive member includes a first adhesive member disposed so as to enclose an upper surface and a side surface of the thin glass and a second adhesive member disposed on a lower surface of the thin glass. According to the present disclosure, the flexible display device disposes a protective film above the cover member to provide a scattering suppressing effect and improve a surface hardness, a compression characteristic, the impact resistance and folding characteristic.

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