公开(公告)号：US12142069B2

公开(公告)日：2024-11-12

申请号：US18244003

申请日：2023-09-08

Applicant: LG Display Co., Ltd.

Inventor： YuSeon Kho ,  Yong-Su Ham ,  YongWoo Lee

IPC: H01L41/08 ,  G06F3/01 ,  G06F3/16 ,  G06V40/13 ,  A61B5/1172

Abstract: A composite piezoelectric element and an electronic device having the same are disclosed, in which the composite piezoelectric element includes insulating films and piezoelectric bodies, which are alternately arranged, wherein the piezoelectric bodies may be categorized into general piezoelectric bodies used as at least one of a haptic actuator, a speaker actuator and a receiver actuator, and a finger scan recognition piezoelectric body for finger scan recognition.

公开(公告)号：US12120485B2

公开(公告)日：2024-10-15

申请号：US18386246

申请日：2023-11-01

Applicant: LG Display Co., Ltd.

Inventor： YuSeon Kho ,  Yong-Su Ham ,  YongWoo Lee

IPC: H04R17/00 ,  B60Q9/00 ,  H04R1/02

CPC classification number: H04R17/00 ,  B60Q9/00 ,  H04R1/025 ,  H04R2499/13

Abstract: A sound-generating apparatus and a vehicle including the same are provided. A sound-generating apparatus includes: a plurality of first portions at a vibration region including a bendable region and a peripheral portion connected to the bendable region; and a plurality of second portions between the plurality of first portions, wherein two or more second portions at the bendable region among the plurality of second portions have a cross-sectional shape that differs from a cross-sectional shape of another second portion disposed at the peripheral portion among the plurality of second portions.

公开(公告)号：US12004373B2

公开(公告)日：2024-06-04

申请号：US17111980

申请日：2020-12-04

Applicant: LG Display Co., Ltd.

Inventor： YuSeon Kho ,  Yong-Su Ham ,  YongWoo Lee

IPC: H10K59/00 ,  G06F3/01 ,  H10K50/842 ,  H10N30/20

CPC classification number: H10K59/00 ,  G06F3/016 ,  H10K50/8426 ,  H10N30/204

Abstract: A display apparatus includes a display panel configured to display an image and a plurality of vibration generating devices configured to vibrate the display panel. Each of the plurality of vibration generating devices includes a plurality of first portions having a piezoelectric characteristic and a plurality of second portions disposed near the plurality of first portions to have an expansion coefficient, and the plurality of vibration generating devices have different expansion coefficients.

公开(公告)号：US11275921B2

公开(公告)日：2022-03-15

申请号：US16940955

申请日：2020-07-28

Applicant: LG Display Co., Ltd.

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

IPC: G06K9/20 ,  G06K9/00 ,  H04R7/04 ,  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：US11006223B2

公开(公告)日：2021-05-11

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 ,  H04R9/02 ,  H04R9/06

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：US09990099B2

公开(公告)日：2018-06-05

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 ,  G06F3/01 ,  H04M1/02

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.

公开(公告)号：US12223112B2

公开(公告)日：2025-02-11

申请号：US18381922

申请日：2023-10-19

Applicant: LG Display Co., Ltd.

Inventor： Saewon Kang ,  SeungRyull Park ,  YuSeon Kho

IPC: G06F3/01 ,  G06F3/041 ,  G06F3/044 ,  H04R1/02 ,  H04R17/00

Abstract: A display apparatus is provided, and the display apparatus includes a display member having a plurality of pixels configured to display an image, and a vibration apparatus configured to vibrate the display member based on a haptic driving signal. The haptic driving signal includes a texture signal and an ultrasonic signal. Accordingly, the display apparatus can provide a user with a tactile feedback including a virtual texture.

公开(公告)号：US12096181B2

公开(公告)日：2024-09-17

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 ,  G06F1/16 ,  H04R1/02 ,  H04R7/04

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：US11849267B2

公开(公告)日：2023-12-19

申请号：US17982025

申请日：2022-11-07

Applicant: LG Display Co., Ltd.

Inventor： YuSeon Kho ,  Sooyoun Kim

IPC: H04R17/00

CPC classification number: H04R17/00 ,  H04R2499/13 ,  H04R2499/15

Abstract: An apparatus includes a vibration member, a housing at a rear surface of the vibration member, a connection member between the vibration member and the housing, and a vibration apparatus configured to vibrate the vibration member, the vibration member includes at least one flat portion and at least one flexural portion adjacent to the at least one flat portion.

公开(公告)号：US11843913B2

公开(公告)日：2023-12-12

申请号：US17346043

申请日：2021-06-11

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

CPC classification number: H04R17/00 ,  G06F3/16 ,  H04R1/028 ,  G06F1/1601 ,  G09G3/2092 ,  G09G2380/02 ,  H04R2499/15

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.