公开(公告)号：US11736858B2

公开(公告)日：2023-08-22

申请号：US17228674

申请日：2021-04-12

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

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

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.

公开(公告)号：US11531512B2

公开(公告)日：2022-12-20

申请号：US16838655

申请日：2020-04-02

Applicant: LG Display Co., Ltd.

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

IPC: G06F3/16 ,  G06F1/16 ,  G10K9/122 ,  G10K9/13

Abstract: A display apparatus includes a display panel configured to display an image and including a first to a fifth regions, at least one first and fourth sound generating devices in a left region of a rear surface of the display panel and in the first and fourth regions, at least one second and fifth sound generating device in a right region of the rear surface and in the second and fifth regions, and at least one third sound generating device in a center region of the rear surface and in the third region. The at least one first to third sound generating devices is configured to vibrate the display panel to generate sound, and the at least one fourth and fifth sound generating devices is configured to vibrate the display panel to generate sound in a direction upwards from the display panel.

公开(公告)号：US11200021B2

公开(公告)日：2021-12-14

申请号：US16686669

申请日：2019-11-18

Applicant: LG DISPLAY CO., LTD.

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

IPC: G06F3/16 ,  G10K9/122 ,  G06F1/16 ,  B60R11/02

Abstract: A display apparatus includes a display panel configured to display an image, a supporting member configured to support the display panel, at least one sound generating device in the display panel, to the at least one sound generating device being configured to vibrate the display panel to generate sound, and a connection member at a lower portion of the supporting member to correspond to a center of the at least one sound generating device.

公开(公告)号：US11134343B2

公开(公告)日：2021-09-28

申请号：US16738777

申请日：2020-01-09

Applicant: LG Display Co., Ltd.

Inventor： Sungsu Ham ,  SeYoung Kim ,  Sungtae Lee ,  Kwangho Kim

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

Abstract: A display apparatus includes: a display panel configured to display an image by emitting light; a supporting member configured to support a rear surface of the display panel; a partition between the display panel and the supporting member; and a sound generation device configured to vibrate the display panel to generate sound, the sound generation device including: a first sound generator on the rear surface of the display panel; and a second sound generator in the first sound generator.

公开(公告)号：US11134342B2

公开(公告)日：2021-09-28

申请号：US16904641

申请日：2020-06-18

Applicant: LG Display Co., Ltd.

Inventor： YeongRak Choi ,  KwanHo Park ,  Sungtae Lee

IPC: H03G3/00 ,  H04R25/00 ,  H04R7/04 ,  H04R9/02 ,  H04R9/06 ,  H04R1/02 ,  H04R9/04

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：US10972819B2

公开(公告)日：2021-04-06

申请号：US16586564

申请日：2019-09-27

Applicant: LG Display Co., Ltd.

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

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

Abstract: A display apparatus including a display panel configured to display an image is disclosed. The display apparatus includes a supporting member on a rear surface of the display panel. The supporting member includes a groove. The display apparatus also includes a sound generator between the display panel and the supporting member, and configured to provide a vibration. The display apparatus further includes a vibration transfer member between the display panel and the sound generator, and configured to transfer the vibration of the sound generator to the display panel to generate sound.

公开(公告)号：US10771899B2

公开(公告)日：2020-09-08

申请号：US16701103

申请日：2019-12-02

Applicant: LG Display Co., Ltd.

Inventor： Sungtae Lee ,  SeYoung Kim ,  Kwangho Kim ,  Hogeol Lim

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

Abstract: A display apparatus includes: a display panel configured to display an image by emitting light, a rear structure configured to support the display panel, a vibration generator configured to vibrate the display panel, and a supporting member between the display panel and the vibration generator, the supporting member being configured to maintain a distance between the display panel and the vibration generator.

公开(公告)号：US10567880B2

公开(公告)日：2020-02-18

申请号：US16110281

申请日：2018-08-23

Applicant: LG Display Co., Ltd.

Inventor： Sungsu Ham ,  SeYoung Kim ,  Sungtae Lee ,  Kwangho Kim

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

Abstract: A display apparatus includes: a display panel configured to display an image by emitting light; a supporting member configured to support a rear surface of the display panel; a partition between the display panel and the supporting member; and a sound generation device configured to vibrate the display panel to generate sound, the sound generation device including: a first sound generator on the rear surface of the display panel; and a second sound generator in the first sound generator.

公开(公告)号：US10547945B2

公开(公告)日：2020-01-28

申请号：US16038075

申请日：2018-07-17

Applicant: LG DISPLAY CO., LTD.

Inventor： YeongRak Choi ,  KwanHo Park ,  Sungtae Lee

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

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：US10469928B2

公开(公告)日：2019-11-05

申请号：US16128760

申请日：2018-09-12

Applicant: LG Display Co., Ltd.

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

IPC: H04R1/02 ,  H04R17/00

Abstract: A display apparatus including a display panel configured to display an image is disclosed. The display apparatus includes a supporting member on a rear surface of the display panel. The supporting member includes a groove. The display apparatus also includes a sound generator between the display panel and the supporting member, and configured to provide a vibration. The display apparatus further includes a vibration transfer member between the display panel and the sound generator, and configured to transfer the vibration of the sound generator to the display panel to generate sound.