公开(公告)号：US20140293156A1

公开(公告)日：2014-10-02

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 ,  G02F1/00

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.

Abstract translation: 导电性涂料组合物包含0.1-10重量份的导电聚合物，5-30重量份聚硅氮烷和30-60重量份溶剂。

公开(公告)号：US12069953B2

公开(公告)日：2024-08-20

申请号：US18242508

申请日：2023-09-05

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 ,  G06F1/16 ,  G06F3/01 ,  G06F3/041 ,  G10K9/122

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：US12039101B2

公开(公告)日：2024-07-16

申请号：US17359243

申请日：2021-06-25

Applicant: LG Display Co., Ltd.

Inventor： Chiwan Kim ,  Taeheon Kim ,  Sung-Eui Shin ,  Yongwoo Lee ,  Kyungyeol Ryu ,  Yuseon Kho ,  Yonggyoon Jang

IPC: H04R17/00 ,  B06B1/06 ,  B60K35/50 ,  B60Q5/00 ,  G02F1/1333 ,  G02F1/1368 ,  G06F3/01 ,  G06F3/041 ,  H10K59/12 ,  H10K59/40 ,  B60K35/10 ,  B60K35/22 ,  B60K35/25 ,  B60K35/60 ,  B60R11/00 ,  B60R11/02 ,  G06F3/044 ,  H04R7/04

CPC classification number: G06F3/016 ,  B06B1/0688 ,  B60K35/50 ,  B60Q5/00 ,  G02F1/13338 ,  G02F1/1368 ,  G06F3/0416 ,  H04R17/00 ,  H10K59/12 ,  H10K59/40 ,  B60K35/10 ,  B60K35/22 ,  B60K35/25 ,  B60K35/60 ,  B60K2360/1438 ,  B60K2360/77 ,  B60R2011/0005 ,  B60R2011/0021 ,  B60R11/0217 ,  G06F3/0443 ,  H04R7/045 ,  H04R2499/13 ,  H04R2499/15

Abstract: The present disclosure relates to a vibration generation device, a display apparatus including the vibration generation device, and a vehicle including the vibration generation device. A vibration generation device includes a piezoelectric ceramic part having a certain interval, a piezoelectric material layer between the piezoelectric ceramic parts, and an electrode part configured to provide electric field to one or more of the piezoelectric ceramic part and the piezoelectric material layer.

公开(公告)号：US11974066B2

公开(公告)日：2024-04-30

申请号：US17145623

申请日：2021-01-11

Applicant: LG Display Co., Ltd.

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

IPC: H04N5/64 ,  G02F1/1333 ,  H04R1/02 ,  H04R17/00 ,  H10K50/84

CPC classification number: H04N5/642 ,  G02F1/133308 ,  H04R1/025 ,  H04R17/00 ,  H10K50/841 ,  G02F1/133314 ,  H04R2499/15

Abstract: A display apparatus includes a display panel, a back cover accommodating the display panel, and a sound output unit including at least one sound output module disposed to overlap the display panel. The at least one sound output module includes a support plate including an uneven surface and a piezoelectric element attached on the uneven surface of the support plate and has a shape corresponding to the uneven surface of the support plate. Accordingly, a sound having a straight characteristic within an audible frequency domain may be output, thereby enhancing a sense of reality and an immersion of a viewer watching an image displayed by the display apparatus.

公开(公告)号：US11140492B2

公开(公告)日：2021-10-05

申请号：US16654562

申请日：2019-10-16

Applicant: LG Display Co., Ltd.

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

IPC: H04R17/00 ,  H04R1/02

Abstract: A display apparatus includes a display panel including configured to display an image and a sound generating device on a rear surface of the display panel, the sound generating device being configured to vibrate the display panel to generate sound. The sound generating device includes a first structure and a second structure over or under the first structure, the second structure including a first part having a piezoelectric characteristic and a second part between adjacent first parts to have flexibility.

公开(公告)号：US10963052B2

公开(公告)日：2021-03-30

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 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1333

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：US10942594B2

公开(公告)日：2021-03-09

申请号：US16201793

申请日：2018-11-27

Applicant: LG Display Co., Ltd.

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

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  H01L27/32

Abstract: A touch panel includes a plurality of first electrodes which extends in a first direction. The touch panel further includes an electroactive layer which is disposed on the plurality of first electrodes and is formed of an electroactive material. The touch panel further includes a plurality of second electrodes which is disposed on the electroactive layer and extends in a second direction which is different from the first direction. The touch panel further includes an insulating layer which is disposed to cover the electroactive layer and the plurality of second electrodes. The touch panel further includes a plurality of third electrodes which is disposed on the insulating layer and extends in the second direction.

公开(公告)号：US10924704B2

公开(公告)日：2021-02-16

申请号：US16716321

申请日：2019-12-16

Applicant: LG Display Co., Ltd.

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

IPC: H04R1/00 ,  H04R25/00 ,  H04N5/64 ,  H01L51/52 ,  G02F1/1333 ,  H04R17/00 ,  H04R1/02

Abstract: A display apparatus includes a display panel, a back cover accommodating the display panel, and a sound output unit including at least one sound output module disposed to overlap the display panel. The at least one sound output module includes a support plate including an uneven surface and a piezoelectric element attached on the uneven surface of the support plate and has a shape corresponding to the uneven surface of the support plate. Accordingly, a sound having a straight characteristic within an audible frequency domain may be output, thereby enhancing a sense of reality and an immersion of a viewer watching an image displayed by the display apparatus.

公开(公告)号：US10795470B2

公开(公告)日：2020-10-06

申请号：US16019935

申请日：2018-06-27

Applicant: LG DISPLAY CO., LTD.

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

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

Abstract: Provided are a touch sensitive device and a display device including the touch sensitive device. The touch sensitive device according to an embodiment of the present disclosure includes an electro-active layer formed of polyphosphazene substituted with an aryloxy group at a phosphorus atom in the backbone of the polyphosphazene, and electrodes disposed on at least one surface of the electro-active layer. The touch sensitive device according to an embodiment of the present disclosure has an excellent intensity of vibrations due to characteristics of the polyphosphazene including the substituted aryloxy group and is flame retardant and non-toxic.

公开(公告)号：US10542235B2

公开(公告)日：2020-01-21

申请号：US15971077

申请日：2018-05-04

Applicant: LG Display Co., Ltd.

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

IPC: H04R1/00 ,  H04R25/00 ,  H04N5/64 ,  H01L51/52 ,  G02F1/1333 ,  H04R17/00 ,  H04R1/02

Abstract: A display apparatus includes a display panel, a back cover accommodating the display panel, and a sound output unit including at least one sound output module disposed to overlap the display panel. The at least one sound output module includes a support plate including an uneven surface and a piezoelectric element attached on the uneven surface of the support plate and has a shape corresponding to the uneven surface of the support plate. Accordingly, a sound having a straight characteristic within an audible frequency domain may be output, thereby enhancing a sense of reality and an immersion of a viewer watching an image displayed by the display apparatus.