公开(公告)号：US11856380B2

公开(公告)日：2023-12-26

申请号：US17549533

申请日：2021-12-13

Applicant: LG Display Co., Ltd.

Inventor： Taehyung Kim ,  Jeonggoo Kang

IPC: H04R3/12 ,  H04R1/40 ,  H04R3/00 ,  H04R17/00 ,  H04R1/02 ,  B60R11/02 ,  B60R11/00

CPC classification number: H04R3/12 ,  B60R11/02 ,  B60R11/0247 ,  H04R1/025 ,  H04R1/406 ,  H04R3/005 ,  H04R17/00 ,  B60R2011/0028 ,  B60R2011/0043 ,  H04R2400/11 ,  H04R2499/13

Abstract: A sound control system comprises a sound generating device disposed at a vehicle ceiling corresponding to a seat region of the vehicle and disposed at a sound space formed within the vehicle to correspond to the seat region, and a sound processing circuit for providing a vibration driving signal to the sound generating device, the sound generating device vibrates based on the vibration driving signal to vibrate a vibration region of the vehicle ceiling corresponding to the sound space to provide a sound to the sound space.

公开(公告)号：US11829533B2

公开(公告)日：2023-11-28

申请号：US17894985

申请日：2022-08-24

Applicant: LG Display Co., Ltd.

Inventor： Seeun Kim ,  Taehyung Kim ,  HakMo Hwang

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

CPC classification number: G06F3/016 ,  G06F3/0412 ,  G06F3/1446 ,  G06F2203/04112

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：US20230222986A1

公开(公告)日：2023-07-13

申请号：US18122689

申请日：2023-03-16

Applicant: LG Display Co., Ltd.

Inventor： SeulKi Nam ,  Jeonggoo Kang ,  Taehyung Kim

IPC: H04R7/04 ,  H04R1/02 ,  H04R17/00

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

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：US11675561B2

公开(公告)日：2023-06-13

申请号：US16918370

申请日：2020-07-01

Applicant: LG Display Co., Ltd.

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

IPC: G06F1/16 ,  G06F3/16 ,  G06F1/20 ,  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.

公开(公告)号：US20230097705A1

公开(公告)日：2023-03-30

申请号：US17992890

申请日：2022-11-22

Applicant: LG DISPLAY CO., LTD.

Inventor： Taehyung Kim ,  YoungYoon You ,  GeunChang Park

IPC: H04R1/02 ,  H04R7/04 ,  H04R17/00

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：US10979793B2

公开(公告)日：2021-04-13

申请号：US16841240

申请日：2020-04-06

Applicant: LG Display Co., Ltd.

Inventor： Taehyung Kim ,  YoungYoon You ,  GeunChang Park

IPC: H04R1/02 ,  H04R7/04 ,  H04R17/00

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：US20200236452A1

公开(公告)日：2020-07-23

申请号：US16841240

申请日：2020-04-06

Applicant: LG Display Co., Ltd.

Inventor： Taehyung Kim ,  YoungYoon You ,  GeunChang Park

IPC: H04R1/02 ,  H04R17/00 ,  H04R7/04

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：US10652641B2

公开(公告)日：2020-05-12

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 ,  H04R7/04 ,  H04R17/00

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：US12101600B2

公开(公告)日：2024-09-24

申请号：US17845444

申请日：2022-06-21

Applicant: LG Display Co., Ltd.

Inventor： Sungwook Ko ,  Kyungyeol Ryu ,  Taehyung Kim ,  MinHo Sohn ,  SeulKi Nam ,  Jeonggoo Kang ,  JunSeok Oh ,  SeungRyull Park ,  Chiwan Kim ,  GyungBo Ha ,  Uihyeon Jeong

IPC: H04R17/00 ,  H04R1/28 ,  H10N30/00 ,  H10N30/20

CPC classification number: H04R17/00 ,  H04R1/2803 ,  H10N30/20 ,  H10N30/708 ,  H04R2430/00 ,  H04R2499/13

Abstract: A vibration apparatus may include a vibration device and an adhesive member at a surface of the vibration device. A modulus of the vibration device may be equal to a modulus of the adhesive member or may be greater than the modulus of the adhesive member.

公开(公告)号：US20240080597A1

公开(公告)日：2024-03-07

申请号：US18387725

申请日：2023-11-07

Applicant: LG DISPLAY CO., LTD.

Inventor： Taehyung Kim ,  YoungYoon You ,  GeunChang Park

IPC: H04R1/02 ,  H04R7/04 ,  H04R17/00

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

Abstract: An apparatus for outputting sound includes a vibration plate, a vibration element at a rear surface of the vibration plate, and a vibration reflecting member spaced apart from the vibration element to face a lateral surface of the vibration element. The vibration reflecting member includes a metal material.