公开(公告)号：US20180120941A1

公开(公告)日：2018-05-03

申请号：US15798151

申请日：2017-10-30

Applicant: LG Display Co., Ltd.

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

IPC: G06F3/01 ,  G02F1/1333 ,  G02F1/1341 ,  G06F3/041 ,  G06F3/044

CPC classification number: G06F3/016 ,  G02F1/133365 ,  G02F1/13338 ,  G02F2201/503 ,  G06F3/041 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04103 ,  G06F2203/04112

Abstract: Provided are a touch sensitive element and a display device including the same. According to the exemplary embodiment of the present disclosure, a touch sensitive element, includes: an electroactive layer which is formed of electroactive polymer (EAP); an electrode which is disposed on at least one surface of the electroactive layer; and a hard coating layer which is disposed on the electroactive layer and the electrode and has a negative coefficient of thermal expansion (CTE). Therefore, vibration effect in a vertical direction is maximized and impact resistance may be improved.

公开(公告)号：US20180120942A1

公开(公告)日：2018-05-03

申请号：US15798164

申请日：2017-10-30

Applicant: LG Display Co., Ltd.

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

IPC: G06F3/01 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1343

CPC classification number: G06F3/016 ,  G02F1/133305 ,  G02F1/13338 ,  G02F1/134363 ,  G06F3/041 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04102 ,  G06F2203/04112 ,  H01L27/323 ,  H01L41/0477 ,  H01L41/08 ,  H01L41/098 ,  H01L41/193

Abstract: There is provided a touch sensitive element including an electroactive layer, and an electrode disposed on at least one surface of the electroactive layer. The electroactive layer has a first portion having a first thickness and a second portion which has a second thickness different from the first thickness and is in contact with the first portion at an outside of the first portion.

公开(公告)号：US20180164889A1

公开(公告)日：2018-06-14

申请号：US15822740

申请日：2017-11-27

Applicant: LG DISPLAY CO., LTD.

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

IPC: G06F3/01 ,  G06F3/0488 ,  H01L41/083 ,  H01L41/253 ,  H01L41/27

Abstract: Provided are a touch sensitive element and a manufacturing method thereof. The manufacturing method for the touch sensitive element according to an embodiment of the present disclosure includes forming an electroactive polymer coating layer by applying an electroactive polymer solution on a substrate; forming an electroactive layer by heating and pressurizing the electroactive polymer coating layer using a hot press roller; and forming an electrode on the electroactive layer.

公开(公告)号：US20170192595A1

公开(公告)日：2017-07-06

申请号：US15394395

申请日：2016-12-29

Applicant: LG DISPLAY CO., LTD.

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

IPC: G06F3/041

CPC classification number: G06F3/0416 ,  C08J9/26 ,  C08J2201/0464 ,  C08J2353/00 ,  G06F3/016 ,  G06F3/041 ,  G06F2203/04103 ,  H01L41/0477 ,  H01L41/09 ,  H01L41/1132 ,  H01L41/193 ,  H01L41/253 ,  H01L41/45

Abstract: Provided are a contact sensitive device, a display apparatus including the same, and a method of manufacturing the same. The contact sensitive device includes an electroactive layer formed of an electroactive polymer having a plurality of nano pores and an electrode disposed on at least one surface of the electroactive layer. The electroactive layer has a β-phase structure and improved piezoelectricity without performing a stretching process or a polling process.

公开(公告)号：US20160185915A1

公开(公告)日：2016-06-30

申请号：US14983140

申请日：2015-12-29

Applicant: LG DISPLAY CO., LTD.

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

IPC: C08G77/24 ,  C09D183/08 ,  C08J5/18 ,  G06F3/041 ,  B32B27/28

CPC classification number: C08G77/24 ,  B32B7/12 ,  B32B27/06 ,  B32B27/08 ,  B32B27/283 ,  B32B2250/05 ,  B32B2255/10 ,  B32B2255/205 ,  B32B2307/20 ,  B32B2307/204 ,  B32B2307/40 ,  B32B2307/516 ,  B32B2307/518 ,  B32B2307/732 ,  B32B2457/20 ,  B32B2457/208 ,  B32B2590/00 ,  B32B2605/00 ,  C08G77/12 ,  C08G77/20 ,  C08G77/38 ,  C08J5/18 ,  C08J2383/08 ,  C08K5/56 ,  C08L83/00 ,  C08L83/08 ,  C09D183/08 ,  G06F3/016 ,  G06F3/041 ,  G06F2203/04102 ,  G06F2203/04103

Abstract: Provided is a touch sensitive device including an electroactive film, a display device including the same, and a method of manufacturing the electroactive film. The touch sensitive device of the present disclosure includes an electroactive film including a siloxane polymer having a fluoro group or a chloro group bonded to a part of the backbone, and the electroactive film has a dielectric constant that is improved by 15% or more by elongation at an elongation rate of 100% or more.

Abstract translation: 提供了一种包括电活性膜的触敏装置，包括其的显示装置和制造电活性膜的方法。 本公开的触敏装置包括电活性膜，其包含具有与基团的一部分键合的氟基或氯基的硅氧烷聚合物，并且电活性膜的介电常数通过伸长率提高15％以上 伸长率为100％以上。

公开(公告)号：US20190250763A1

公开(公告)日：2019-08-15

申请号：US16396212

申请日：2019-04-26

Applicant: LG DISPLAY CO., LTD.

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

IPC: G06F3/041 ,  H01L41/047 ,  G06F3/01 ,  H01L41/09 ,  H01L41/253 ,  H01L41/193 ,  H01L41/113 ,  H01L41/45

CPC classification number: G06F3/0416 ,  C08J9/26 ,  C08J2201/0464 ,  C08J2353/00 ,  G06F3/016 ,  G06F3/041 ,  G06F2203/04103 ,  H01L41/0477 ,  H01L41/09 ,  H01L41/1132 ,  H01L41/193 ,  H01L41/253 ,  H01L41/45

Abstract: Provided are a contact sensitive device, a display apparatus including the same, and a method of manufacturing the same. The contact sensitive device includes an electroactive layer formed of an electroactive polymer having a plurality of nano pores and an electrode disposed on at least one surface of the electroactive layer. The electroactive layer has a β-phase structure and improved piezoelectricity without performing a stretching process or a polling process.

公开(公告)号：US20180150169A1

公开(公告)日：2018-05-31

申请号：US15824646

申请日：2017-11-28

Applicant: LG DISPLAY CO., LTD.

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

IPC: G06F3/041 ,  H01L41/18

CPC classification number: G06F3/0412 ,  C08F20/38 ,  C08F2220/382 ,  C09D127/16 ,  H01L41/1132 ,  H01L41/18 ,  H01L41/193 ,  C08L33/14

Abstract: The present disclosure relates to a touch sensitive element and a display device including the same. According to an exemplary embodiment of the present disclosure, the touch sensitive element includes an electroactive film which is formed of a fluorine based terpolymer and a polymer represented by Chemical Formula 1, wherein R is an ethyl group or a methyl group, and n is an integer of 1 or larger.

公开(公告)号：US20170192508A1

公开(公告)日：2017-07-06

申请号：US15391077

申请日：2016-12-27

Applicant: LG Display Co., Ltd.

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

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

CPC classification number: G06F3/016 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04112

Abstract: Provided are a display device and a method of driving the same. The display device includes: a touch sensitive element having an electroactive layer and a plurality of electrodes disposed on at least one of a top surface and a bottom surface of the electroactive layer; a display panel disposed under the touch sensitive element; and a touch sensor disposed under the touch sensitive element and having a plurality of touch electrodes, and each of the plurality of electrodes of the touch sensitive element overlaps with one touch electrode from among the plurality of touch electrodes in a one to one correspondence.

公开(公告)号：US20160190428A1

公开(公告)日：2016-06-30

申请号：US14979769

申请日：2015-12-28

Applicant: LG DISPLAY CO., LTD.

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

IPC: H01L41/083 ,  H01L41/04 ,  H05K1/02 ,  H05K5/00

CPC classification number: H01L41/083 ,  G06F1/1652 ,  G06F3/016 ,  G09F9/301 ,  H01L41/042 ,  H01L41/0926 ,  H01L41/193 ,  H01L41/277 ,  H05K1/028 ,  H05K5/0017 ,  H05K2201/05

Abstract: Provided is a multilayer actuator and a display device comprising the same with improved driving displacement that includes, for example, a plurality of electroactive layers, wherein the electroactive layers comprise a ferroelectric polymer, and polarization directions of all electroactive layers are substantially the same.

Abstract translation: 提供了一种多层致动器和包括具有改进的驱动位移的显示装置，其包括例如多个电活性层，其中电活性层包括铁电聚合物，并且所有电活性层的偏振方向基本上相同。

公开(公告)号：US20160187985A1

公开(公告)日：2016-06-30

申请号：US14971170

申请日：2015-12-16

Applicant: LG DISPLAY CO., LTD.

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

IPC: G06F3/01 ,  G06F3/041

CPC classification number: G06F3/016 ,  G06F3/0412 ,  G06F2203/04102 ,  H01L41/083 ,  H01L41/0926 ,  H01L41/193

Abstract: Provided is a multilayer transformable device with enhanced driving displacement and a display device including the same. The multilayer transformable device, for example, includes a plurality of unit transformable devices, each of the unit transformable devices that includes a lower electrode, an upper electrode, and a transformable layer including an electro-active polymer (EAP) and a sub-transformable layer disposed between the plurality of unit transformable devices, the sub-transformable layer including a sub-EAP different from the EAP.

Abstract translation: 提供了具有增强的驱动位移的多层可变形装置和包括该多层可变形装置的显示装置。 多层可变形装置例如包括多个单元可变形装置，每个单位可变形装置包括下电极，上电极和包含电活性聚合物（EAP）和可变形的可变形的可变形层 层，其设置在所述多个单元可变形设备之间，所述子可变形层包括不同于所述EAP的子EAP。