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    Touch sensitive device and display device including the same
    5.
    发明授权
    Touch sensitive device and display device including the same 有权

    公开(公告)号：US11435828B2

    公开(公告)日：2022-09-06

    申请号：US16163262

    申请日：2018-10-17

    Applicant: LG DISPLAY CO., LTD.

    Inventor： ChiWan Kim ,  TaeHeon Kim ,  SungEui Shin ,  YongWoo Lee ,  KyungYeol Ryu ,  YuSeon Kho

    IPC: G06F3/041 ,  G06F3/01 ,  C08G79/025

    Abstract: Provided is a touch sensitive device including an electroactive layer formed of an electroactive matrix, wherein the electroactive matrix has a structure in which a piezoelectric ceramic and an electroactive polymer (EAP) are bonded and an electrode disposed on at least one surface of the electroactive layer. According to an exemplary embodiment of the present disclosure, the touch sensitive device uses an electroactive matrix has an excellent transparency, can be made thin, and has a high piezoelectric property so that the light transmittance and the vibration intensity of the touch sensitive device can be improved.

    Substrate having transparent electrode for flexible display and method of fabricating the same
    7.
    发明授权
    Substrate having transparent electrode for flexible display and method of fabricating the same 有权
    具有用于柔性显示的透明电极的基板及其制造方法

    公开(公告)号：US09241411B2

    公开(公告)日：2016-01-19

    申请号：US14102765

    申请日：2013-12-11

    Applicant: LG DISPLAY CO., LTD.

    Inventor： KyungYeol Ryu ,  JinWuk Kim ,  ByungGeol Kim ,  SungWoo Kim ,  ChangWoo Chun

    IPC: H05K1/00 ,  H05K3/00 ,  H01L51/52 ,  H01L51/00

    CPC classification number: H05K3/007 ,  H01L51/0021 ,  H01L51/0048 ,  H01L51/0097 ,  H01L51/5206 ,  H01L2251/5338 ,  Y02E10/549

    Abstract: A substrate having a transparent electrode for a flexible display which has flexibility and transparency and is resistant to stress of bending, and a method of fabricating the same are provided. By forming a transparent electrode of nanowires resistant to stress of bending on a substrate formed of a shape memory polymer (SMP) material, an increase in resistance due to bending can be prevented and the original form can be recovered. The method for fabricating a substrate having a transparent electrode for a flexible display includes: applying a nanowire dispersion solution of methanol to a glass substrate to form a nanowire electrode; coating the glass substrate with the nanowire electrode formed thereon, with an acrylic shape memory polymer (SMP) to form an SMP thin film; curing the SMP thin film through UV irradiation to form an SMP substrate; and removing the glass substrate from the SMP substrate.

    Abstract translation: 提供具有挠性和透明度以及抗弯曲应力的柔性显示器用透明电极的基板及其制造方法。 通过在由形状记忆聚合物（SMP）材料形成的基板上形成耐弯曲应力的纳米线透明电极，可以防止由于弯曲引起的电阻的增加，并且可以回收原始形式。 具有柔性显示用透明电极的基板的制造方法包括：将玻璃基板的甲醇的纳米线分散液涂布在纳米线电极上， 用形成在其上的纳米线电极涂覆玻璃基板，用丙烯酸形状记忆聚合物（SMP）形成SMP薄膜; 通过紫外线照射固化SMP薄膜，形成SMP底物; 并从SMP基板上去除玻璃基板。

    Touch sensitive element and display device comprising the same
    8.
    发明授权
    Touch sensitive element and display device comprising the same 有权

    公开(公告)号：US10379617B2

    公开(公告)日：2019-08-13

    申请号：US15820215

    申请日：2017-11-21

    Applicant: LG Display Co., Ltd.

    Inventor： YuSeon Kho ,  YongSu Ham ,  TaeHeon Kim ,  YongWoo Lee ,  KyungYeol Ryu

    IPC: G06F3/01 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1333

    Abstract: Provided are a touch sensitive element and a display device. A touch sensitive element according to an exemplary embodiment includes an electroactive layer including a plurality of electroactive films formed of an electroactive polymer; and a plurality of electrodes disposed on at least one surface of the electroactive layer. In this case, the plurality of electroactive films is configured by a first electroactive film, a second electroactive film, and one or more electroactive films between the first electroactive film and the second electroactive film. A modulus of one or more electroactive films is higher or lower than both a modulus of an electroactive film which is in contact with an upper surface and a modulus of an electroactive film which is in contact with a lower surface. The touch sensitive element according to the exemplary embodiment of the present disclosure may implement a sufficient vibration strength in all frequency domains.

    Touch Sensitive Element and Display Device Comprising the Same
    10.
    发明申请
    Touch Sensitive Element and Display Device Comprising the Same 审中-公开

    公开(公告)号：US20180157325A1

    公开(公告)日：2018-06-07

    申请号：US15820215

    申请日：2017-11-21

    Applicant: LG Display Co., Ltd.

    Inventor： YuSeon Kho ,  YongSu Ham ,  TaeHeon Kim ,  YongWoo Lee ,  KyungYeol Ryu

    IPC: G06F3/01 ,  G06F3/044 ,  G06F3/041 ,  G02F1/1333

    CPC classification number: G06F3/016 ,  G02F1/13338 ,  G06F3/041 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04112

    Abstract: Provided are a touch sensitive element and a display device. A touch sensitive element according to an exemplary embodiment includes an electroactive layer including a plurality of electroactive films formed of an electroactive polymer; and a plurality of electrodes disposed on at least one surface of the electroactive layer. In this case, the plurality of electroactive films is configured by a first electroactive film, a second electroactive film, and one or more electroactive films between the first electroactive film and the second electroactive film. A modulus of one or more electroactive films is higher or lower than both a modulus of an electroactive film which is in contact with an upper surface and a modulus of an electroactive film which is in contact with a lower surface. The touch sensitive element according to the exemplary embodiment of the present disclosure may implement a sufficient vibration strength in all frequency domains.

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