公开(公告)号：US11711640B2

公开(公告)日：2023-07-25

申请号：US17379294

申请日：2021-07-19

Applicant: LG Display Co., Ltd.

Inventor： Taehyung Kim ,  JaiHyuk Lee ,  GyungBo Ha ,  HakMo Hwang ,  SunBok Song

IPC: H04R1/02 ,  H04R17/00 ,  H05K1/02 ,  H05K1/14

CPC classification number: H04R1/02 ,  H04R17/00 ,  H05K1/028 ,  H05K1/147 ,  H04R2499/15 ,  H05K2201/10128

Abstract: A display apparatus includes a display panel configured to display an image, a circuit part including a printed circuit board disposed spaced apart from a first portion of the display panel and connected to the display panel, a first vibration device disposed at a rear surface of the display panel, and a second vibration device disposed at a rear surface of the printed circuit board.

公开(公告)号：US20230217188A1

公开(公告)日：2023-07-06

申请号：US18088326

申请日：2022-12-23

Applicant: LG Display Co., Ltd.

Inventor： Taehyung Kim ,  GyungBo Ha ,  SeulKi Nam ,  Minjung Kim ,  MinHo Sohn

IPC: H04R17/00 ,  G10K11/16 ,  H04R3/00

CPC classification number: H04R17/00 ,  G10K11/16 ,  H04R3/00 ,  H04R2499/15

Abstract: An apparatus may include a passive vibration member and an active vibration member connected to the passive vibration member and including first and second vibration portions arranged in parallel with each other. The apparatus may further include a driving apparatus configured to apply a first driving signal to the first vibration portion and a second driving signal to the second vibration portion, based on an input signal, to vibrate the first vibration portion and the second vibration portion.

公开(公告)号：US11645987B2

公开(公告)日：2023-05-09

申请号：US17564775

申请日：2021-12-29

Applicant: LG Display Co., Ltd.

Inventor： SeulKi Nam ,  Jeonggoo Kang ,  Taehyung Kim

IPC: G09G3/34 ,  H01L41/047 ,  H01L41/053 ,  H01L41/04

CPC classification number: G09G3/3493 ,  H01L41/042 ,  H01L41/0471 ,  H01L41/053 ,  G09G2330/028

Abstract: An apparatus includes a vibration member and a first cover disposed at a rear surface of the vibration member. The apparatus also includes a first vibration apparatus disposed at a rear surface of the first cover and configured to vibrate the vibration member. The apparatus includes a first enclosure member disposed at the rear surface of the first cover and at the rear surface of the vibration member. The apparatus also includes a first rear vibration member disposed at the first enclosure member.

公开(公告)号：US11221700B2

公开(公告)日：2022-01-11

申请号：US16719441

申请日：2019-12-18

Applicant: LG Display Co., Ltd.

Inventor： Taehyung Kim

IPC: G06F3/041 ,  G06F3/047 ,  G09G3/3291

Abstract: A touch display device and a driving method thereof are discussed. The touch display device can include a display panel, a plurality of touch electrodes that are arranged in the display panel, and a plurality of touch circuits that are connected to the plurality of touch electrodes and are supplied with a load-free driving signal. Each touch circuit stores an offset voltage of the touch circuit, is supplied with the load-free driving signal from the touch electrode, corrects the load-free driving signal on the basis of the offset voltage, and outputs the corrected load-free driving signal.

公开(公告)号：US11086588B2

公开(公告)日：2021-08-10

申请号：US16574789

申请日：2019-09-18

Applicant: LG Display Co., Ltd.

Inventor： Taehyung Kim ,  Hyosung Lee ,  SeungJun Koo

IPC: G06F3/16 ,  G02F1/1333 ,  G06F1/16 ,  H02N2/00 ,  H04R1/02

Abstract: A display apparatus includes: a display panel configured to display an image, a vibration plate on a first surface of the display panel, a first structure on a second surface of the vibration plate, the first structure being configured to support the display panel, a first vibration-generating device configured to vibrate the vibration plate, and a separation part connected to the vibration plate and configured to separate a first space, facing a first surface opposite to the second surface of the vibration plate, from a second space facing the second surface of the vibration plate.

公开(公告)号：US20200210009A1

公开(公告)日：2020-07-02

申请号：US16719441

申请日：2019-12-18

Applicant: LG Display Co., Ltd.

Inventor： Taehyung Kim

IPC: G06F3/041 ,  G06F3/047 ,  G09G3/3291

Abstract: A touch display device and a driving method thereof are discussed. The touch display device can include a display panel, a plurality of touch electrodes that are arranged in the display panel, and a plurality of touch circuits that are connected to the plurality of touch electrodes and are supplied with a load-free driving signal. Each touch circuit stores an offset voltage of the touch circuit, is supplied with the load-free driving signal from the touch electrode, corrects the load-free driving signal on the basis of the offset voltage, and outputs the corrected load-free driving signal.

公开(公告)号：US20190208299A1

公开(公告)日：2019-07-04

申请号：US16105398

申请日：2018-08-20

Applicant: LG Display Co., Ltd.

Inventor： Taehyung Kim ,  YoungYoon You ,  GeunChang Park

IPC: H04R1/02 ,  H04R17/00

CPC classification number: H04R7/045 ,  H04R2499/15

Abstract: A display apparatus includes a display panel configured to display an image by emitting light, and a sound generation device including a vibration generation module configured to vibrate the display panel. The vibration generation module includes a vibration element on a rear surface of the display panel, and a vibration reflecting member on the rear surface of the display panel and spaced apart from the vibration element.

公开(公告)号：US12256183B2

公开(公告)日：2025-03-18

申请号：US18382539

申请日：2023-10-23

Applicant: LG Display Co., Ltd.

Inventor： SeulKi Nam ,  Taehyung Kim ,  Jeonggoo Kang ,  SunBok Song ,  Seunghyeon Kim

IPC: H04R1/02 ,  B60K35/60 ,  B60K35/22 ,  B60K35/25 ,  B60K35/26

Abstract: A display apparatus and a vehicle including the same are provided. A display apparatus includes: a display panel configured to display an image, a driving circuit including: a flexible circuit film connected to the display panel, and a printed circuit board connected to the flexible circuit film, a first supporting member at a rear surface of the display panel, the first supporting member having a hole therein, and a vibration apparatus supported by the first supporting member, the vibration apparatus including a first vibration apparatus disposed at the rear surface of the display panel, wherein the flexible circuit film extends through the hole, and wherein the printed circuit board is disposed at a rear surface of the first supporting member.

公开(公告)号：US12141361B2

公开(公告)日：2024-11-12

申请号：US18381997

申请日：2023-10-19

Applicant: LG Display Co., Ltd.

Inventor： Seeun Kim ,  Taehyung Kim ,  HakMo Hwang

IPC: G06F3/01 ,  G06F3/041 ,  G06F3/14

Abstract: A display apparatus includes a display panel including a plurality of display surfaces having a closed-loop structure and configured to display images in different directions, a plurality of vibration generating devices configured to vibrate the plurality of display surfaces, and a vibration support surrounded by the plurality of display surfaces and configured to support the plurality of vibration generating devices.

公开(公告)号：US12019948B2

公开(公告)日：2024-06-25

申请号：US18309714

申请日：2023-04-28

Applicant: LG Display Co., Ltd.

Inventor： GyungBo Ha ,  Taehyung Kim ,  Seeun Kim ,  HakMo Hwang ,  Seung Jun Koo

IPC: G06F1/16 ,  G06F1/20 ,  G06F3/16 ,  G10K9/122

CPC classification number: G06F3/16 ,  G06F1/1605 ,  G06F1/203 ,  G10K9/122

Abstract: The present disclosure relates to a display apparatus, especially having a display panel generating sounds. A display apparatus according to the present disclosure includes: a display module; a back cover at a rear surface of the display module; a depression recessed into the back cover from a first surface of the back cover with a first width and a first depth; a penetration through from a second surface of the back cover to the depression with a second width smaller than the first width and a second depth corresponding to a difference between a thickness of the back cover and the first depth; and a first piezo vibration unit disposed at a stepped portion between the penetration and the depression.