公开(公告)号：US20180164888A1

公开(公告)日：2018-06-14

申请号：US15820204

申请日：2017-11-21

Applicant: LG Display Co., Ltd.

Inventor： Yong-Su HAM ,  Taeheon KIM ,  YongWoo LEE ,  Kyungyeol RYU ,  YuSeon KHO ,  MyungJin LIM

IPC: G06F3/01 ,  G02F1/1333

Abstract: Provided is a display device. The display device includes a display panel, a vibration transfer layer, and a touch sensitive element. The vibration transfer layer is disposed under the display panel and has a plurality of openings. The touch sensitive element is disposed under the vibration transfer layer.

公开(公告)号：US20180150151A1

公开(公告)日：2018-05-31

申请号：US15822188

申请日：2017-11-26

Applicant: LG Display Co., Ltd.

Inventor： YuSeon KHO ,  YongWoo LEE ,  YongSu HAM ,  TaeHeon KIM ,  KyungYeol RYU ,  MyungJin LIM ,  SeulGi CHOI

IPC: G06F3/041 ,  G06F3/01 ,  C09D127/16

CPC classification number: G06F3/041 ,  C09D127/16 ,  G06F3/016 ,  H01L41/193 ,  C08L33/22

Abstract: The present disclosure related to a touch sensitive element and a display device including the same. The touch sensitive element according to an exemplary aspect of the present disclosure includes an electroactive film which is formed of a polyvinylidene fluoride (PVDF) based polymer and a cyanide (CN) based polymer.

公开(公告)号：US20180148546A1

公开(公告)日：2018-05-31

申请号：US15820205

申请日：2017-11-21

Applicant: LG Display Co., Ltd.

Inventor： TaeHeon KIM ,  YongSu HAM ,  YongWoo LEE ,  KyungYeol RYU ,  YuSeon KHO ,  MyungJin LIM ,  SeulGi CHOI

IPC: C08G79/08 ,  G06F3/041

CPC classification number: C08G79/08 ,  C07F7/00 ,  C07F15/0033 ,  C08G79/00 ,  C09D185/04 ,  G06F3/041 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04103

Abstract: Provided are a touch sensitive element and a display device including the same. The touch sensitive element according to an exemplary aspect of the present disclosure includes an electroactive layer formed of a linear boron nitride polymer and an electrode disposed on at least one surface of the electroactive layer. Therefore, a piezoelectricity of the electroactive layer is improved to improve vibration strength of the touch sensitive element and significantly improve heat resistance.

公开(公告)号：US20170192560A1

公开(公告)日：2017-07-06

申请号：US15392465

申请日：2016-12-28

Applicant: LG DISPLAY CO., LTD.

Inventor： Yong-Su HAM ,  Taeheon KIM ,  YongWoo LEE ,  YuSeon KHO ,  MyungJin LIM ,  Seulgi CHOI

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/044 ,  G06F3/016 ,  G06F3/041 ,  G06F3/0412 ,  H04M1/0266

Abstract: Provided is a display device. The display device includes: a touch sensitive element including an electroactive layer and a plurality of electrodes disposed on at least one of the top surface and the bottom surface of the electroactive layer; a shielding layer on the touch sensitive element; a display panel on the shielding layer; and a touch sensor integrated in the display panel and including a plurality of first touch electrodes and a plurality of second touch electrodes spaced apart from the plurality of first touch electrodes, and the shielding layer is electrically connected with the plurality of first touch electrodes or the plurality of second touch electrodes.

公开(公告)号：US20170192509A1

公开(公告)日：2017-07-06

申请号：US15392401

申请日：2016-12-28

Applicant: LG Display Co., Ltd.

Inventor： Taeheon KIM ,  Yong-Su HAM ,  YongWoo LEE ,  YuSeon KHO ,  MyungJin LIM ,  Seulgi CHOI

IPC: G06F3/01 ,  B32B27/30 ,  H01L27/32 ,  G06F3/041 ,  G02F1/1333

CPC classification number: G06F3/016 ,  B32B27/304 ,  B32B2307/20 ,  B32B2307/418 ,  B32B2457/208 ,  G02F1/13338 ,  G06F3/041 ,  G06F3/0412 ,  G06F3/0416 ,  H01L27/323 ,  H01L41/1132 ,  H01L41/193 ,  H01L41/22 ,  H01L41/253

Abstract: Provided are a touch sensitive device and a display device including the same. The touch sensitive device includes: a first electroactive layer formed of a ferroelectric polymer; a plurality of electrodes disposed on at least one surface of the first electroactive layer; and a second electroactive layer in contact with the plurality of electrodes and the first electroactive layer and formed of an electroactive polymer. A coating layer having a low refractive index and formed of an electroactive polymer is formed on the first electroactive layer formed of a ferroelectric polymer having a low light transmittance, and, thus, a vibration level and a light transmittance of the touch sensitive device can be improved simultaneously.

公开(公告)号：US20160179260A1

公开(公告)日：2016-06-23

申请号：US14970154

申请日：2015-12-15

Applicant: LG DISPLAY CO., LTD.

Inventor： Yong-Su HAM ,  SuSeok CHOI ,  Taeheon KIM ,  YongWoo LEE ,  MyungJin LIM ,  Seulgi CHOI

IPC: G06F3/041 ,  G06F3/047 ,  G06F3/01

CPC classification number: G06F3/0412 ,  G06F3/016 ,  G06F3/0416 ,  G06F3/047 ,  G06F2203/04102 ,  G06F2203/04107

Abstract: A touch sensitive device, a display device including the touch sensitive device and a method of driving the same are discussed. The touch sensitive device can include an electroactive layer including an electroactive polymer; and one or more first electrodes and one or more second electrodes are disposed on only one surface of the electroactive layer, in which the first and the second electrodes include a conductive material. The first and the second electrodes of the touch sensitive device can be disposed only on one surface of the electroactive layer, a driving voltage of the touch sensitive device can be reduced and transmissivity can be improved.

Abstract translation: 讨论了触敏装置，包括触敏装置的显示装置及其驱动方法。 触敏装置可以包括电活性层，其包括电活性聚合物; 并且一个或多个第一电极和一个或多个第二电极仅设置在电活性层的仅一个表面上，其中第一和第二电极包括导电材料。 触敏装置的第一和第二电极只能设置在电活性层的一个表面上，可以降低触敏装置的驱动电压并提高透射率。