公开(公告)号：US10945065B2

公开(公告)日：2021-03-09

申请号：US16851604

申请日：2020-04-17

Applicant: LG Display Co., Ltd.

Inventor： Kwangho Kim ,  YeongRak Choi ,  Sungtae Lee ,  Hogeol Lim

IPC: H04R1/28 ,  H04N5/64 ,  H04R1/02

Abstract: Disclosed is a display apparatus including a display panel configured to display an image by emitting light, a rear surface structure configured to surround lateral and rear surfaces of the display panel, a vibration generating device connected with the rear surface structure and configured to vibrate the display panel, a rear sound emitting portion between the display panel and the rear surface structure, a rear sound guide between the display panel and the rear surface structure to surround the vibration generating device in a spiral shape and configured to connect with the rear sound emitting portion.

公开(公告)号：US10820082B2

公开(公告)日：2020-10-27

申请号：US15974013

申请日：2018-05-08

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：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.

公开(公告)号：US10754372B2

公开(公告)日：2020-08-25

申请号：US16018348

申请日：2018-06-26

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：US10659858B2

公开(公告)日：2020-05-19

申请号：US15987244

申请日：2018-05-23

Applicant: LG Display Co., Ltd.

Inventor： Sungtae Lee ,  SeYoung Kim ,  YeongRak Choi ,  Kwangho Kim

IPC: H04R1/02 ,  H04R1/28 ,  H04R7/04 ,  H04R9/02

Abstract: Disclosed is a display apparatus that may include a display panel configured to display an image by emitting light, a supporting member disposed on a rear surface of the display panel, a sound generating device disposed between the supporting member and the display panel, and a plurality of partitions at a predetermined interval from the sound generating device, wherein the partitions have different compression force deflections.

公开(公告)号：US10531171B2

公开(公告)日：2020-01-07

申请号：US15987214

申请日：2018-05-23

Applicant: LG Display Co., Ltd.

Inventor： YeongRak Choi ,  KwanHo Park ,  HyunSu Shin ,  Sungtae Lee

IPC: H04R1/02 ,  H04R1/28 ,  H04R7/04 ,  H04R9/02 ,  H04R9/04

Abstract: Disclosed is a display apparatus including a display panel configured to emit light, a rear structure disposed on a rear surface of the display panel, a sound generating device fixed to the rear structure and configured to vibrate the display panel, and an insulation member disposed between the display panel and the sound generating device.

公开(公告)号：US10409325B2

公开(公告)日：2019-09-10

申请号：US15340709

申请日：2016-11-01

Applicant: LG DISPLAY CO., LTD.

Inventor： YeongRak Choi ,  Sungtae Lee

IPC: H04R9/04 ,  H04R23/02 ,  G06F1/16 ,  H04R9/06 ,  G02F1/1333 ,  H04R7/04 ,  H03H9/00 ,  H04R1/02 ,  H04R1/26 ,  H04R1/28 ,  H04R5/02 ,  H04R9/02 ,  H04R11/02

Abstract: The present embodiment relates to a double-faced display device generating sound by directly vibrating a display panel and includes: a first display panel and a second display panel disposed at the front and rear surface thereof, respectively; a single sound generating actuator connected to the first display panel and the second display panel to simultaneously vibrate the first display panel and the second display panel and thus generate sound; and a support part configured to support the sound generating actuator, the first display panel, and the second display panel. The present embodiment does not require a separate speaker and thus can achieve a thin or slim display device, and can improve the localization or the quality of sound output in opposite directions in the double-faced display device.

公开(公告)号：US10338635B2

公开(公告)日：2019-07-02

申请号：US15340709

申请日：2016-11-01

Applicant: LG DISPLAY CO., LTD.

Inventor： YeongRak Choi ,  Sungtae Lee

IPC: H04R9/04 ,  H04R23/02 ,  G06F1/16 ,  H04R9/06 ,  G02F1/1333 ,  H04R7/04 ,  H03H9/00 ,  H04R1/02 ,  H04R1/26 ,  H04R1/28 ,  H04R5/02 ,  H04R9/02 ,  H04R11/02

Abstract: The present embodiment relates to a double-faced display device generating sound by directly vibrating a display panel and includes: a first display panel and a second display panel disposed at the front and rear surface thereof, respectively; a single sound generating actuator connected to the first display panel and the second display panel to simultaneously vibrate the first display panel and the second display panel and thus generate sound; and a support part configured to support the sound generating actuator, the first display panel, and the second display panel. The present embodiment does not require a separate speaker and thus can achieve a thin or slim display device, and can improve the localization or the quality of sound output in opposite directions in the double-faced display device.

公开(公告)号：US20190166429A1

公开(公告)日：2019-05-30

申请号：US16120602

申请日：2018-09-04

Applicant: LG Display Co., Ltd.

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

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

CPC classification number: H04R7/045 ,  H04R1/028 ,  H04R9/025 ,  H04R9/06 ,  H04R2440/05 ,  H04R2499/15

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：US20190045287A1

公开(公告)日：2019-02-07

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

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.