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：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：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.

公开(公告)号：US11375316B2

公开(公告)日：2022-06-28

申请号：US17206037

申请日：2021-03-18

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

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：US11265655B2

公开(公告)日：2022-03-01

申请号：US16703719

申请日：2019-12-04

Applicant: LG DISPLAY CO., LTD.

Inventor： YeongRak Choi ,  KwanHo Park ,  Sungtae Lee

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

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：US11206481B2

公开(公告)日：2021-12-21

申请号：US16791093

申请日：2020-02-14

Applicant: LG Display Co., Ltd.

Inventor： Sungsu Ham ,  YeongRak Choi ,  Sungtae Lee ,  Daeho Kim

IPC: H04R1/28 ,  H04R1/02 ,  G06F3/147 ,  H04R7/04

Abstract: A display apparatus includes a display panel displaying an image, a rear cover supporting the display panel, and a vibration generating device vibrating the display panel. The vibration generating device includes a sound generating module spaced apart from a rear surface of the display panel. Accordingly, shaking of the display panel is prevented, and heat is prevented from being transferred to the display panel.

公开(公告)号：US11140482B2

公开(公告)日：2021-10-05

申请号：US16352356

申请日：2019-03-13

Applicant: LG DISPLAY CO., LTD.

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

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

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：US11019425B2

公开(公告)日：2021-05-25

申请号：US16696847

申请日：2019-11-26

Applicant: LG DISPLAY CO., LTD.

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

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

Abstract: A panel vibration type sound generating display device is disclosed. The display device includes a display panel for displaying an image; a sound generating actuator connected to the display panel and configured to vibrate the display panel to generate sound; a support structure spaced apart from the display panel with an air gap between the support structure and the display panel; and a baffle part disposed between the support structure and the display panel to surround the air gap.