公开(公告)号：US10444891B2

公开(公告)日：2019-10-15

申请号：US14757438

申请日：2015-12-23

Applicant: LG DISPLAY CO., LTD.

Inventor： Yong-Su Ham ,  SuSeok Choi ,  Taeheon Kim ,  YongWoo Lee ,  MyungJin Lim ,  Seulgi Choi

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

Abstract: Provided is a touch panel. The touch panel includes a first substrate, a second substrate, a first electrode, a second electrode, a third electrode, and a dielectric layer. The second substrate faces the first substrate. The first electrode is on one surface of the first substrate. The second electrode is spaced apart from the first electrode on a same plane as the first electrode. The third electrode is on one surface of the second substrate and overlaps the first electrode and the second electrode. The dielectric layer is between the first electrode and the third electrode and between the second electrode and the third electrode and includes an anisotropic dielectric material.

公开(公告)号：US10409408B2

公开(公告)日：2019-09-10

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: C08L41/00 ,  G06F3/041 ,  H01L41/18 ,  C09D127/16 ,  C08F20/38 ,  H01L41/113 ,  H01L41/193 ,  C08F220/38

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：US09812664B2

公开(公告)日：2017-11-07

申请号：US14962569

申请日：2015-12-08

Applicant: LG DISPLAY CO., LTD.

Inventor： Seulgi Choi ,  Suseok Choi ,  Yongsu Ham ,  Taeheon Kim ,  Yongwoo Lee ,  Myungjin Lim

IPC: G06F1/16 ,  H01L51/52 ,  G06F3/041 ,  H01L51/56 ,  H01L27/32 ,  H01L41/047 ,  H01L41/29 ,  H01L41/09 ,  H01L41/193

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：US09791731B2

公开(公告)日：2017-10-17

申请号：US14134303

申请日：2013-12-19

Applicant: LG DISPLAY CO., LTD.

Inventor： Taeheon Kim ,  Geesung Chae ,  Sunghee Kim ,  Junsik Hwang ,  Chulhong Kim ,  Kwihong Park ,  Taehwan Jun ,  Yuseon Kho ,  Kilsuk Kim

IPC: G02F1/1333 ,  G06F3/041 ,  H01B1/12 ,  G06F3/044 ,  G02F1/1343 ,  H01L51/00

CPC classification number: G02F1/13338 ,  G02F2001/134372 ,  G02F2202/22 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04103 ,  H01B1/12 ,  H01L51/0021 ,  H01L51/0037 ,  Y10T428/1055

Abstract: A conductive coating composition includes 0.1 to 10 parts by weight of a conductive polymer, 5 to 30 parts by weight of polysilazane, and 30 to 60 parts by weight of a solvent.

公开(公告)号：US11812666B2

公开(公告)日：2023-11-07

申请号：US17893881

申请日：2022-08-23

Applicant: LG Display Co., Ltd. ,  Korea University Research and Business Foundation

Inventor： Taeheon Kim ,  Sahn Nahm ,  YongGyoon Jang ,  Jonghyun Kim ,  Ku-Tak Lee ,  Chiwan Kim ,  Sung-Eui Shin ,  YongWoo Lee ,  Seok-June Chae

IPC: H10N30/853 ,  G06F3/041 ,  G10K9/122 ,  G06F1/16 ,  G06F3/01

CPC classification number: H10N30/8542 ,  G06F1/1605 ,  G06F3/016 ,  G06F3/0412 ,  G10K9/122

Abstract: A piezoelectric element comprising a compound represented by Formula 1, a piezoelectric device including the piezoelectric element, a vibration module including the piezoelectric device, and a display apparatus including the piezoelectric device are provided, where

(1−x)(LizNa0.5-zK0.5)(Nb1-ySby)O3·xCaZrO3  [Formula 1]

where x, y, and z have a range of 0.001≤x≤0.2, a range of 0≤y≤0.5, and a range of 0≤z≤0.2, respectively.

公开(公告)号：US11785394B2

公开(公告)日：2023-10-10

申请号：US17676816

申请日：2022-02-22

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 ,  G06F1/16

CPC classification number: H04R17/00 ,  H04R1/028 ,  H04R7/045 ,  G06F1/1652 ,  H04R2499/15

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：US11770645B2

公开(公告)日：2023-09-26

申请号：US17746959

申请日：2022-05-18

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：US11669126B2

公开(公告)日：2023-06-06

申请号：US17131389

申请日：2020-12-22

Applicant: LG Display Co., Ltd.

Inventor： Sungwook Ko ,  YongWoo Lee ,  Chiwan Kim ,  Taeheon Kim ,  Sung-Eui Shin

IPC: G06F1/16 ,  G09F9/30 ,  G10K9/122 ,  G06F3/16

CPC classification number: G06F1/1605 ,  G06F3/16 ,  G09F9/301 ,  G10K9/122 ,  G06F1/1652

Abstract: The present disclosure relates to a flexible vibration film and a display apparatus having the same. A flexible vibration film includes: a vibration layer; a first electrode layer disposed on a bottom surface of the vibration layer; and a second electrode layer disposed on a top surface of the vibration layer, wherein the vibration layer includes: a first vibration unit having a first vibration characteristics; a second vibration unit having a second vibration characteristics; and a flexible insulating part disposed between the first vibration unit and the second vibration unit, and wherein the first electrode layer includes: a first part corresponding to the first vibration unit; and a second part corresponding to the second vibration unit.

公开(公告)号：US11596980B2

公开(公告)日：2023-03-07

申请号：US16655928

申请日：2019-10-17

Applicant: LG Display Co., Ltd.

Inventor： YuSeon Kho ,  Chiwan Kim ,  Taeheon Kim ,  Sung-Eui Shin ,  YongWoo Lee ,  Kyungyeol Ryu ,  YongGyoon Jang

IPC: B06B1/06 ,  B06B1/04

Abstract: A vibration generating device includes a first piezoelectric device including at least one slit, a first electrode on a first surface of the first piezoelectric device, and a second electrode on a second surface opposite to the first surface of the first piezoelectric device.

公开(公告)号：US11412331B2

公开(公告)日：2022-08-09

申请号：US17169056

申请日：2021-02-05

Applicant: LG Display Co., Ltd.

Inventor： YongWoo Lee ,  Chiwan Kim ,  Taeheon Kim ,  Sung-Eui Shin ,  Kyungyeol Ryu ,  YuSeon Kho ,  YongGyoon Jang ,  Yong-Su Ham ,  Sungwook Ko

IPC: H04R17/00 ,  H04R1/02 ,  H04R1/28 ,  H04R3/12 ,  G08B6/00 ,  H04R1/40

Abstract: A display apparatus includes a display panel configured to display an image and a plurality of vibration generating devices on a rear surface of the display panel, the display panel being at least one of a vibration plate configured to output sound and a vibration plate configured to output a haptic vibration. Each of the plurality of vibration generating devices includes a first electrode under the display panel, a piezoelectric member under the first electrode, a damping member in a periphery the piezoelectric member, and a second electrode under the piezoelectric member.