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：US10219079B2

公开(公告)日：2019-02-26

申请号：US15471184

申请日：2017-03-28

Applicant: LG DISPLAY CO., LTD.

Inventor： YeongRak Choi ,  Sungtae Lee

IPC: H04R9/00 ,  H04R9/06 ,  H04N5/64 ,  H04R1/02 ,  H04R1/28 ,  H04R11/02 ,  H04R9/02 ,  H04R3/14 ,  H04R1/26 ,  H04R7/04 ,  H04R5/02

Abstract: A display device includes a display panel; a support structure at a rear of the display panel; a sound generation actuator supported by the support structure and configured to vibrate the display panel to generate sound; and a cap member surrounding the sound generation actuator and secured to the support structure at an area of the support structure, the area being near the sound generation actuator.

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：US12047721B2

公开(公告)日：2024-07-23

申请号：US17461415

申请日：2021-08-30

Applicant: LG Display Co., Ltd.

Inventor： Yongjoon Kim ,  YeongRak Choi ,  Joongsup Han ,  Sungtae Lee

IPC: H04R1/02 ,  B06B1/06 ,  B60K35/00 ,  G02F1/1333 ,  G06F3/041 ,  H04R7/04 ,  H04R7/26 ,  H04R9/02 ,  H04R9/04 ,  H04R9/06 ,  H04R17/00 ,  H04R23/00

CPC classification number: H04R1/026 ,  H04R23/00 ,  B06B1/0688 ,  B60K35/00 ,  G02F1/1333 ,  G06F3/0412 ,  G06F3/0416 ,  H04R1/028 ,  H04R7/04 ,  H04R7/26 ,  H04R9/025 ,  H04R9/046 ,  H04R9/06 ,  H04R17/00 ,  H04R2499/15

Abstract: An apparatus comprises a display panel configured to display an image, a vibration apparatus disposed at a rear surface of the display panel and configured to vibrate the display panel, a supporting member at the rear surface of the display panel, and a pad member between the vibration apparatus and the supporting member.

公开(公告)号：US11991492B2

公开(公告)日：2024-05-21

申请号：US17967732

申请日：2022-10-17

Applicant: LG Display Co., Ltd.

Inventor： Sungtae Lee

IPC: H04R1/02 ,  H04R7/04 ,  H04R9/02

CPC classification number: H04R1/028 ,  H04R7/045 ,  H04R9/022 ,  H04R2499/15

Abstract: A display apparatus includes a display panel configured to display an image, and a sound generating device on a rear surface of the display panel and configured to vibrate the display panel to generate sound, wherein the sound generating device includes a plate, a magnet and a center pole on the plate, and an oval-shaped bobbin around the center pole.

公开(公告)号：US20240080611A1

公开(公告)日：2024-03-07

申请号：US18239974

申请日：2023-08-30

Applicant: LG Display Co., Ltd.

Inventor： Sungtae Lee

IPC: H04R1/28 ,  H04R1/02 ,  H04R17/00

CPC classification number: H04R1/2807 ,  H04R1/025 ,  H04R1/028 ,  H04R17/005

Abstract: An apparatus includes a vibration member, a supporting member on a rear surface of the vibration member, a first vibration apparatus connected with the rear surface of the vibration member, and a second vibration apparatus between the vibration member and the supporting member to overlap the first vibration apparatus.

公开(公告)号：US11706567B2

公开(公告)日：2023-07-18

申请号：US17744603

申请日：2022-05-13

Applicant: LG Display Co., Ltd.

Inventor： Sungsu Ham ,  YeongRak Choi ,  Sungtae Lee ,  Joongsup Han

IPC: H04R5/02 ,  H04R5/04 ,  H04S3/00 ,  H04R1/10

CPC classification number: H04R5/02 ,  H04R5/04 ,  H04S3/008 ,  H04R2499/15 ,  H04S2400/01

Abstract: A display apparatus is capable of outputting a stereo sound. The display apparatus includes a display panel configured to display an image; a sound generating device on a rear surface of the display panel; a rear cover on the rear surface of the display panel and configured to support the sound generating device; a partition member between the rear surface of the display panel and the rear cover and configured to divide the display panel into first, second, third, fourth and fifth areas; and first, second, third, fourth, and fifth sound generating devices attached to the rear surface of the display panel and configured to vibrate the display panel. The first, second, third, fourth and fifth sound generating devices are in the first, second, third, fourth and fifth areas, respectively.

公开(公告)号：US11616928B2

公开(公告)日：2023-03-28

申请号：US17244823

申请日：2021-04-29

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：US11503391B2

公开(公告)日：2022-11-15

申请号：US17204881

申请日：2021-03-17

Applicant: LG Display Co., Ltd.

Inventor： Sungtae Lee

IPC: H04R1/02 ,  H04R7/04 ,  H04R9/02

Abstract: A display apparatus includes a display panel configured to display an image, and a sound generating device on a rear surface of the display panel and configured to vibrate the display panel to generate sound, wherein the sound generating device includes a plate, a magnet and a center pole on the plate, and an oval-shaped bobbin around the center pole.

公开(公告)号：US11412322B2

公开(公告)日：2022-08-09

申请号：US16804090

申请日：2020-02-28

Applicant: LG Display Co., Ltd.

Inventor： Sungtae Lee ,  Teh Hyeon Kim ,  YeongRak Choi ,  Seungwan Ryu ,  KwanHo Park

IPC: H04R1/26 ,  H04R1/02 ,  H04R9/06 ,  H04R9/02 ,  H04R7/26 ,  H04R17/00 ,  H04R7/04 ,  H04R9/04

Abstract: A display apparatus includes a display module including a display panel configured to display an image, a rear cover on a rear surface of the display module, and a sound generating module at the rear cover and configured to vibrate the display module to generate sound, and a rear surface of the sound generating module is covered by the rear cover.