公开(公告)号：US11095963B2

公开(公告)日：2021-08-17

申请号：US16450182

申请日：2019-06-24

Applicant: LG Display Co., Ltd.

Inventor： YongGyoon Jang ,  Yong-Su Ham ,  YongWoo Lee ,  Kyungyeol Ryu

IPC: H04R1/02 ,  G06F3/01 ,  G08B6/00 ,  H01L51/52 ,  H01L41/08 ,  H01L41/09 ,  H01L25/16

Abstract: Display panel and display apparatus including the same. A display panel includes a first substrate including a display portion configured to display an image, a second substrate attached to the first substrate by an adhesive member, and a vibration generating module within the adhesive member to overlap the display portion. The vibration generating module is surrounded by the second substrate and the adhesive member.

公开(公告)号：US11064300B2

公开(公告)日：2021-07-13

申请号：US16431737

申请日：2019-06-05

Applicant: LG Display Co., Ltd.

Inventor： Chiwan Kim ,  Kyungyeol Ryu ,  YuSeon Kho ,  YongGyoon Jang

IPC: H04R17/00 ,  H04R1/02 ,  G06F3/16 ,  G06F1/16 ,  G09G3/20

Abstract: A display apparatus includes: a display panel configured to be rolled or unrolled, at least one vibration module on a rear surface of the display panel, the at least one vibration module being configured to: be rolled or unrolled with the display panel, and vibrate the display panel, and a partition on the rear surface of the display panel, the partition being spaced apart from and surrounding the at least one vibration module, wherein the at least one vibration module includes: a plurality of first portions having a piezoelectric property, and a plurality of second portions between the plurality of first portions, the plurality of second portions having flexibility.

公开(公告)号：US10951992B2

公开(公告)日：2021-03-16

申请号：US16722713

申请日：2019-12-20

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 ,  H04R1/40 ,  H04R3/12 ,  G08B6/00

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.

公开(公告)号：US10860130B2

公开(公告)日：2020-12-08

申请号：US16130770

申请日：2018-09-13

Applicant: LG Display Co., Ltd.

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

IPC: G06F3/041 ,  G06F3/01 ,  G06F1/16 ,  G06F3/0354

Abstract: A display device to an embodiment of the present disclosure comprises a display panel including an active area having a bending area, a first touch sensitive element which overlaps the active area of the display panel and includes a first electroactive layer, a bending member which is disposed below the display panel and overlaps at least the bending area, and a second touch sensitive element including a second electroactive layer which covers the bending member. Therefore, in the bending area where the stress due to the bending is concentrated, the lifespan and the driving stability of the first touch sensitive element and the second touch sensitive element may be improved.

公开(公告)号：US10790438B2

公开(公告)日：2020-09-29

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: H01L41/27 ,  H01L41/083 ,  H01L41/45 ,  H01L41/193 ,  B32B37/10 ,  G06F3/02 ,  G06F3/01 ,  G06F3/0488 ,  H01L41/253

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：US10674281B2

公开(公告)日：2020-06-02

申请号：US16029209

申请日：2018-07-06

Applicant: LG DISPLAY CO., LTD.

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

IPC: H04R19/02 ,  H04R1/02 ,  H04R9/06 ,  H04R9/02

Abstract: Discussed are a film speaker and a display device. The film speaker includes an electroactive layer including a first surface and a second surface opposite to the first surface, and further including a plurality of concave portions; and a first electrode and a second electrode disposed on at least one of the first surface and the second surface. Therefore, the sound generated in the film speaker may be further amplified and the sound pressure level may be improved.

公开(公告)号：US20190079630A1

公开(公告)日：2019-03-14

申请号：US16130770

申请日：2018-09-13

Applicant: LG Display Co., Ltd.

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

IPC: G06F3/041 ,  G06F1/16 ,  G06F3/01

Abstract: A display device to an embodiment of the present disclosure comprises a display panel including an active area having a bending area, a first touch sensitive element which overlaps the active area of the display panel and includes a first electroactive layer, a bending member which is disposed below the display panel and overlaps at least the bending area, and a second touch sensitive element including a second electroactive layer which covers the bending member. Therefore, in the bending area where the stress due to the bending is concentrated, the lifespan and the driving stability of the first touch sensitive element and the second touch sensitive element may be improved.

公开(公告)号：US09748517B2

公开(公告)日：2017-08-29

申请号：US14755525

申请日：2015-06-30

Applicant: LG Display Co., Ltd.

Inventor： Kyungyeol Ryu ,  JinWuk Kim ,  Wy-Yong Kim

IPC: H01L51/00 ,  H01L51/46 ,  H01L51/52

CPC classification number: H01L51/5253 ,  H01L2251/5338

Abstract: An organic insulating material and a flexible display device are disclosed. The organic insulating material comprises an acrylic polymer having a cinnamoyl moiety.

公开(公告)号：US12080093B2

公开(公告)日：2024-09-03

申请号：US17507536

申请日：2021-10-21

Applicant: LG Display Co., Ltd.

Inventor： Kyungyeol Ryu

IPC: G06V40/13 ,  H10N30/857 ,  H10N30/87

CPC classification number: G06V40/1306 ,  H10N30/857 ,  H10N30/877

Abstract: An ultrasonic sensor comprises a substrate, a piezoelectric member disposed at the substrate and an upper electrode disposed on the piezoelectric member. The upper electrode includes a silver paste.

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.