公开(公告)号：US12267657B2

公开(公告)日：2025-04-01

申请号：US18431922

申请日：2024-02-02

Applicant: LG DISPLAY CO., LTD.

Inventor： YeongRak Choi ,  KwanHo Park ,  Sungtae Lee

IPC: H04R7/04 ,  H04R1/02 ,  H04R9/02 ,  H04R9/04 ,  H04R9/06

Abstract: A display apparatus includes a display panel configured to display an image by emitting light, the display panel including a first area, a second area, and a third area; a first sound generating device in the first area, the first sound generating device including two sub-sound generating devices; a second sound generating device in the second area, the second sound generating device including two sub-sound generating devices; a third sound generating device in the third area; a first partition between the first area and the third area; a second partition between the second area and the third area; a third partition in a periphery of the display panel; and a fourth partition between the two sub-sound generating devices in each of the first area and the second area.

公开(公告)号：US20210266670A1

公开(公告)日：2021-08-26

申请号：US17207289

申请日：2021-03-19

Applicant: LG Display Co., Ltd.

Inventor： YeongRak Choi ,  KwanHo Park ,  Sungtae Lee

IPC: H04R7/04 ,  H04R9/02 ,  H04R9/06 ,  H04R1/02

Abstract: A display apparatus includes a display panel configured to display an image by emitting light, and a sound generating device on a rear surface of the display panel. The sound generating device includes a bobbin, and a protection member on the bobbin.

公开(公告)号：US11032509B2

公开(公告)日：2021-06-08

申请号：US16941184

申请日：2020-07-28

Applicant: LG Display Co., Ltd.

Inventor： Sungtae Lee ,  SeYoung Kim ,  KwanHo Park ,  YeongRak Choi ,  Kwangho Kim ,  Sungsu Ham

IPC: H04N5/64 ,  H04R1/02 ,  H04R5/02 ,  H04R1/26 ,  H01L51/00 ,  H01L27/32 ,  G02F1/1362 ,  G02F1/1333

Abstract: A display apparatus includes a display panel including a display area configured to display an image, and a non-display area, at least one first sound generator in the display area, and at least one second sound generator in the non-display area, wherein each of the at least one first sound generator and the at least one second sound generator is configured to vibrate the display panel to generate sound toward a front of the display panel.

公开(公告)号：US10904670B2

公开(公告)日：2021-01-26

申请号：US16806327

申请日：2020-03-02

Applicant: LG Display Co., Ltd.

Inventor： Sungtae Lee ,  KwanHo Park ,  YeongRak Choi

IPC: H04R7/04 ,  H04R9/06 ,  H04R9/02

Abstract: A display apparatus capable of realizing uniform sound wave and improved sound quality is provided. The display apparatus may include a display panel for displaying an image, a supporting member for supporting a rear surface of the display panel, at least one sound generating device disposed between the supporting member and the display panel, at least one partition provided at a predetermined interval from at least one sound generating device, and an adhesion member disposed in the periphery of the display panel.

公开(公告)号：US10681441B2

公开(公告)日：2020-06-09

申请号：US16047607

申请日：2018-07-27

Applicant: LG Display Co., Ltd.

Inventor： Sungtae Lee ,  KwanHo Park ,  YeongRak Choi

IPC: H04R1/02 ,  H04R11/02 ,  H04R9/02 ,  H04R7/04 ,  G06F1/16 ,  H04R1/26 ,  H04R9/04

Abstract: A display apparatus includes: a display panel configured to display an image, a supporting member on a rear surface of the display panel, at least one sound generation device adjacent to the display panel, a wiring configured to transfer a signal to the at least one sound generation device, and a supporting plate on the rear surface of the display panel, the supporting plate being under the at least one sound generation device and the wiring.

公开(公告)号：US10349181B2

公开(公告)日：2019-07-09

申请号：US15471164

申请日：2017-03-28

Applicant: LG DISPLAY CO., LTD.

Inventor： Sungtae Lee ,  KwanHo Park ,  YeongRak Choi ,  Kwangho Kim ,  MyungJin Bae

IPC: H04R1/02 ,  H04R1/26 ,  H04R1/28 ,  H04R5/02 ,  H04R7/04 ,  H04R9/02 ,  H04R9/06 ,  H04R11/02 ,  H04N5/64 ,  H04R3/14

Abstract: Provided are an actuator fixing device and a panel vibration type sound-generating display device including the same. A display device includes: a display panel configured to display an image, a cover bottom configured to cover the display panel, and a plurality of sound-generating actuators supported by the cover bottom, the sound-generating actuators being configured to vibrate the display panel to generate sound, at least two of the sound-generating actuators being adjacent to each other.

公开(公告)号：US10009683B2

公开(公告)日：2018-06-26

申请号：US15374566

申请日：2016-12-09

Applicant: LG DISPLAY CO., LTD.

Inventor： YeongRak Choi ,  ChangHo Oh ,  KwanHo Park ,  Sungtae Lee

IPC: H04R1/32 ,  G06F1/16 ,  H04R1/02 ,  G02F1/1333 ,  H04R7/04 ,  H04R9/02 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  H04R5/02 ,  H04R9/04 ,  H04R9/06

CPC classification number: H04R1/323 ,  G02F1/1333 ,  G02F1/133308 ,  G06F1/1605 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2310/08 ,  H04R1/025 ,  H04R1/028 ,  H04R5/02 ,  H04R7/04 ,  H04R7/045 ,  H04R9/02 ,  H04R9/043 ,  H04R9/063 ,  H04R2400/03 ,  H04R2499/11 ,  H04R2499/15

Abstract: The present disclosure relates to a display device for generating sound by directly vibrating a display panel thereof, which includes a display panel connected to a surface of the display panel and configured to display an image; and a sound generating actuator, which is fixed to a support structure of the display panel and attached to the display panel to directly vibrate the display panel. In the display device, the progressing direction of the sound coincides with the image output direction in the display device. Therefore, sound localization or sound output characteristics of the display device or set apparatus can be improved, and a separate speaker is not required, the mechanism of the set apparatus can be easily designed, and a thickness thereof can be easily reduced.

公开(公告)号：US11950068B2

公开(公告)日：2024-04-02

申请号：US17581703

申请日：2022-01-21

Applicant: LG DISPLAY CO., LTD.

Inventor： YeongRak Choi ,  KwanHo Park ,  Sungtae Lee

IPC: H04R5/02 ,  H04N5/64 ,  H04R1/02 ,  H04R1/26 ,  H04R1/28 ,  H04R3/14 ,  H04R7/04 ,  H04R9/02 ,  H04R9/06 ,  H04R11/02

CPC classification number: H04R5/02 ,  H04N5/642 ,  H04R1/025 ,  H04R1/028 ,  H04R1/26 ,  H04R1/288 ,  H04R3/14 ,  H04R7/045 ,  H04R9/025 ,  H04R9/06 ,  H04R9/066 ,  H04R11/02 ,  H04R5/023 ,  H04R2307/023 ,  H04R2307/025 ,  H04R2400/03 ,  H04R2440/05 ,  H04R2499/15

Abstract: Disclosed is a display device that includes a display panel, sound generating actuators including a first sound generating actuator in a first area of the display panel and a second sound generating actuator in a second area of the display panel, the first and second sound generating actuators configured to vibrate the display panel to generate sound, and a partition between the first sound generating actuator and the second sound generating actuator.

公开(公告)号：US11743654B2

公开(公告)日：2023-08-29

申请号：US17826005

申请日：2022-05-26

Applicant: LG Display Co., Ltd.

Inventor： Sungtae Lee ,  KwanHo Park ,  YeongRak Choi ,  Kwangho Kim

IPC: H04R9/06 ,  H04R9/02 ,  H04R9/04 ,  H04R1/02 ,  H04R7/26

CPC classification number: H04R9/06 ,  H04R1/025 ,  H04R1/028 ,  H04R7/26 ,  H04R9/022 ,  H04R9/025 ,  H04R9/045 ,  H04R2400/11 ,  H04R2499/13 ,  H04R2499/15

Abstract: A sound generating device includes a magnet and a center pole on a yoke, a bobbin around the center pole, a coil wound around the bobbin, a frame outside the yoke, a damper between the frame and the bobbin, and a spacer in the bobbin.

公开(公告)号：US10915138B2

公开(公告)日：2021-02-09

申请号：US16921440

申请日：2020-07-06

Applicant: LG Display Co., Ltd.

Inventor： Sungtae Lee ,  KwanHo Park ,  YeongRak Choi

IPC: G06F3/02 ,  G06F1/16 ,  H04R1/02 ,  G02F1/1362 ,  G02F1/1333

Abstract: A display apparatus includes: a display panel configured to display an image, at least one supporting member on a rear surface of the display panel, the at least one supporting member defining a groove, at least one sound generation device adjacent to the display panel, and a wiring, accommodated into the groove, configured to transfer a signal to the at least one sound generation device.