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    Flexible display device
    1.
    发明授权
    Flexible display device 有权

    公开(公告)号：US11476444B2

    公开(公告)日：2022-10-18

    申请号：US16933657

    申请日：2020-07-20

    Applicant: LG Display Co., Ltd.

    Inventor： Youngjoo Park ,  Sejin Jang ,  Taehyoung Kwak

    IPC: H01L51/52 ,  H01L27/32 ,  G06F1/16

    Abstract: A flexible display device includes a flexible display panel. The flexible display device further includes a cover window structure on the flexible display panel, including a flexible film and a first hard coating layer on the flexible film. The first hard coating layer includes a material made of a combination of a siloxane resin and a urethane-acrylic-, acrylic- or epoxy-type linker.

    Cover window and foldable display device including the same
    4.
    发明授权
    Cover window and foldable display device including the same 有权

    公开(公告)号：US11721244B2

    公开(公告)日：2023-08-08

    申请号：US17130630

    申请日：2020-12-22

    Applicant: LG DISPLAY CO., LTD.

    Inventor： Changwoo Chun ,  Jungmin Lee ,  Sejin Jang ,  Youngjoo Park

    IPC: G09F9/30 ,  G06F1/16 ,  B32B3/30 ,  B32B7/14 ,  B32B27/08

    CPC classification number: G09F9/301 ,  B32B3/30 ,  B32B7/14 ,  B32B27/08 ,  G06F1/1616 ,  B32B2255/26 ,  B32B2457/20

    Abstract: Provided is a cover window. The cover window includes a substrate layer. The cover window further includes a hard-coating layer on the substrate layer. The cover window further includes a protective film disposed on the hard-coating layer and including a base film and a plurality of protrusions protruding from the base film. The cover window further includes an adhesive layer disposed on surfaces of the plurality of protrusions and bonding the hard-coating layer and the protective film. The protective film includes a first area and second areas disposed on both sides of the first area. The plurality of protrusions are disposed in the first area. The plurality of protrusions have a shape in which the protrusions disposed on one side and the protrusions disposed on the other side are symmetrical to each other with respect to a central line of the first area.

    Foldable Display Device
    5.
    发明申请
    Foldable Display Device 审中-公开

    公开(公告)号：US20200051881A1

    公开(公告)日：2020-02-13

    申请号：US16530634

    申请日：2019-08-02

    Applicant: LG Display Co., Ltd.

    Inventor： Youngjoo Park ,  Sejin Jang ,  YuLim Won ,  KyungHwan Oh

    IPC: H01L23/13 ,  H01L27/12

    Abstract: A foldable display device is disclosed. The foldable display device includes a display panel including a folding area and a non-folding area, a back plate unit, and a plurality of adhesive layers disposed between the display panel and the back plate unit and between the back plate units. Some of the plurality of adhesive layers includes a first adhesive part and a second adhesive part having different adhesiveness. Therefore, an adhesiveness of the plurality of adhesive layers is controlled to reduce the stress generated at the time of folding the foldable display device.

    Cover Window and Flexible Display Device Having the Same
    7.
    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.

    Liquid crystal display device and method for manufacturing the same
    8.
    发明授权
    Liquid crystal display device and method for manufacturing the same 有权

    公开(公告)号：US10101613B2

    公开(公告)日：2018-10-16

    申请号：US15648379

    申请日：2017-07-12

    Applicant: LG Display Co., Ltd.

    Inventor： Wonjin Choi ,  Sejin Jang

    IPC: G02F1/1337 ,  G02F1/1339 ,  G02F1/1333

    Abstract: The present disclosure provides a liquid crystal display device and a method for manufacturing the same. The device includes: a first substrate; a second substrate spaced apart from and opposite to the first substrate; a first lower alignment layer formed on an upper surface of the first substrate; a first upper alignment layer formed on a lower surface of the second substrate; a second alignment layer formed in an array on either or both of an upper surface of the first lower alignment layer and a lower surface of the first upper alignment layer; a polymer barrier positioned between the first substrate and the second substrate, the polymer barrier formed on the array of the second alignment layer; and a liquid crystal positioned between the polymer barriers.

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