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：US20230421963A1

公开(公告)日：2023-12-28

申请号：US18243083

申请日：2023-09-06

Applicant: LG Display Co., Ltd.

Inventor： Sung Eui SHIN ,  Taeheon KIM ,  Kyungyeol RYU ,  YongGyoon JANG ,  Chiwan KIM ,  YongWoo LEE ,  YuSeon KHO

IPC: H04R17/00 ,  H04R1/02 ,  H04R7/04

CPC classification number: H04R17/00 ,  H04R1/028 ,  H04R7/045 ,  G06F1/1652

Abstract: A display apparatus including a flexible vibration module and a method of manufacturing the flexible vibration module are provided. A display apparatus includes: a display panel configured to display an image, and a flexible vibration module on a rear surface of the display panel, the flexible vibration module configured to vibrate the display panel, the flexible vibration module including: a plurality of first portions having a piezoelectric characteristic, and a plurality of second portions respectively between pairs of the plurality of first portions, the plurality of second portions having flexibility.

公开(公告)号：US20230345156A1

公开(公告)日：2023-10-26

申请号：US18211583

申请日：2023-06-19

Applicant: LG Display Co., Ltd.

Inventor： Taeheon KIM ,  Chiwan KIM ,  Sung-Eui SHIN ,  YongWoo LEE ,  Kyungyeol RYU ,  YuSeon KHO ,  YongGyoon JANG

IPC: H04R1/02 ,  H04R17/00 ,  H10N30/20 ,  H10N30/857 ,  H10N30/88 ,  H10N39/00

CPC classification number: H04R1/028 ,  H04R17/00 ,  H10N30/20 ,  H10N30/857 ,  H10N30/883 ,  H10N39/00 ,  H04R2499/15

Abstract: A display apparatus includes a display panel configured to display an image and a sound generating device on a rear surface of the display panel. The sound generating device is configured to vibrate the display panel to generate sound. The sound generating device includes a first structure and a first passivation layer on one side of the first structure, at least a portion of the first passivation layer having a non-flat shape.

公开(公告)号：US20200252727A1

公开(公告)日：2020-08-06

申请号：US16855842

申请日：2020-04-22

Applicant: LG DISPLAY CO., LTD.

Inventor： Taeheon KIM ,  Chiwan KIM ,  Sung-Eui SHIN ,  YongWoo LEE ,  Kyungyeol RYU ,  YuSeon KHO

IPC: H04R19/02 ,  H04R1/02

Abstract: A vibration generating device includes an electroactive layer having a first surface and a second surface opposite to the first surface, and including an unevenness structure; and a first electrode and a second electrode on at least one of the first surface and the second surface of the electroactive layer, wherein one or more of the first electrode and the second electrode covers an entire surface of at least one or more of the first surface and the second surface of the electroactive layer including the unevenness structure.

公开(公告)号：US20190122018A1

公开(公告)日：2019-04-25

申请号：US16108849

申请日：2018-08-22

Applicant: LG Display Co., Ltd.

Inventor： YuSeon KHO ,  Chiwan KIM ,  Taeheon KIM ,  Sung-Eui SHIN ,  YongWoo LEE ,  Kyungyeol RYU

IPC: G06K9/00 ,  H04R17/00

Abstract: A piezoelectric panel speaker and an electronic apparatus including the same are disclosed. The piezoelectric panel speaker may include a piezoelectric panel including at least one hole and configured to vibrate, and a fingerprint sensor accommodated into the one hole and configured to sense biometric information.

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：US20180047935A1

公开(公告)日：2018-02-15

申请号：US15722914

申请日：2017-10-02

Applicant: LG Display Co., Ltd.

Inventor： Seulgi CHOI ,  Suseok CHOI ,  Yongsu HAM ,  Taeheon KIM ,  Yongwoo LEE ,  Myungjin LIM

IPC: H01L51/52 ,  G06F3/041 ,  H01L51/56 ,  H01L41/047 ,  H01L41/29 ,  G06F1/16 ,  H01L27/32

CPC classification number: H01L51/5225 ,  G06F1/1652 ,  G06F3/0412 ,  G06F2203/04102 ,  G06F2203/04103 ,  G09G2380/02 ,  H01L27/323 ,  H01L41/047 ,  H01L41/0926 ,  H01L41/193 ,  H01L41/29 ,  H01L51/5209 ,  H01L51/56 ,  H01L2251/5338

Abstract: A transformable device is provided. The transformable device includes an electro-active layer. A first electrode is disposed at a lower portion inside the electro-active layer. A second electrode is disposed at an upper portion inside the electro-active layer. In the transformable device according to an embodiment of the present disclosure, performance of the electrodes is suppressed from decreasing in spite of repeated operating and a life of the transformable device can be increased as compared with a case of forming electrodes outside an electro-active layer.

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.