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.

公开(公告)号：US10609487B2

公开(公告)日：2020-03-31

申请号：US15915458

申请日：2018-03-08

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：US10571958B2

公开(公告)日：2020-02-25

申请号：US15983498

申请日：2018-05-18

Applicant: LG Display Co., Ltd.

Inventor： Sungtae Lee ,  KwanHo Park ,  YeongRak Choi

IPC: H04R5/00 ,  G06F1/16 ,  H04R5/02 ,  H05K5/00

Abstract: A display apparatus includes: a display module including a display panel configured to display an electronic image, a supporting cover configured to cover a rear surface of the display module, a cover supporting member connected to a rear edge of the display panel and configured to support the supporting cover, and a sound-generating device supported by the supporting cover and configured to: output sound to a front direction of the display panel by directly vibrating the display panel, and directly contact and directly vibrate first and second rear edge portions of the display panel, the first and second rear edge portions being parallel to each other.

公开(公告)号：US10129646B2

公开(公告)日：2018-11-13

申请号：US15471458

申请日：2017-03-28

Applicant: LG DISPLAY CO., LTD.

Inventor： YeongRak Choi ,  KwanHo Park ,  Sungtae Lee

IPC: H04R5/02 ,  H04R9/06 ,  H04R1/26 ,  H04R3/14

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：US12015906B2

公开(公告)日：2024-06-18

申请号：US18213212

申请日：2023-06-22

Applicant: LG Display Co., Ltd.

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

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

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：US12003906B2

公开(公告)日：2024-06-04

申请号：US17560876

申请日：2021-12-23

Applicant: LG Display Co., Ltd.

Inventor： Sungtae Lee ,  KwanHo Park

IPC: H04R1/02 ,  G10K11/178 ,  H04R17/00

CPC classification number: H04R1/025 ,  G10K11/178 ,  H04R17/00 ,  H04R2499/13

Abstract: A vibration-generating apparatus, includes: a microphone apparatus disposed at an object including a plurality of regions, the microphone apparatus being configured to receive noise near the object, a sound processing circuit configured to: receive a sound source signal and a noise signal corresponding to the noise, generate a noise removal signal having an antiphase of the noise signal, and generate a vibration driving signal, based on the sound source signal and the noise removal signal, and a vibration apparatus disposed at the object to vibrate based on the vibration driving signal to vibrate the object.

公开(公告)号：US11592863B2

公开(公告)日：2023-02-28

申请号：US17133882

申请日：2020-12-24

Applicant: LG Display Co., Ltd.

Inventor： Sungtae Lee ,  KwanHo Park ,  YeongRak Choi

IPC: 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.

公开(公告)号：US10993036B2

公开(公告)日：2021-04-27

申请号：US16708982

申请日：2019-12-10

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：US10966009B2

公开(公告)日：2021-03-30

申请号：US16810449

申请日：2020-03-05

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：US10771730B2

公开(公告)日：2020-09-08

申请号：US16042043

申请日：2018-07-23

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.