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.

公开(公告)号：US10986430B2

公开(公告)日：2021-04-20

申请号：US16862116

申请日：2020-04-29

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：US10659871B2

公开(公告)日：2020-05-19

申请号：US15993799

申请日：2018-05-31

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：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：US10547948B2

公开(公告)日：2020-01-28

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 ,  H04R9/02 ,  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.