公开(公告)号：US20210211808A1

公开(公告)日：2021-07-08

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：US20200319842A1

公开(公告)日：2020-10-08

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：US20190098411A1

公开(公告)日：2019-03-28

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 ,  H04R9/02 ,  H04R9/06 ,  H04R17/00

CPC classification number: H04R7/045 ,  H04R1/025 ,  H04R9/025 ,  H04R9/06 ,  H04R17/00 ,  H04R2499/15

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：US20250168544A1

公开(公告)日：2025-05-22

申请号：US18949526

申请日：2024-11-15

Applicant: LG Display Co., Ltd.

Inventor： Daewon KIM ,  YeongRak CHOI ,  Kwangho KIM ,  Daeho KIM ,  DoHyeong KIM

IPC: H04R1/02

Abstract: A sound apparatus and a vehicular apparatus including the same are discussed. The sound apparatus can include a sound generating module having a vibration member and a vibration apparatus configured at the vibration member, a plate member in the sound generating module, and an enclosure in the sound generating module.

公开(公告)号：US20240259520A1

公开(公告)日：2024-08-01

申请号：US18627455

申请日：2024-04-05

Applicant: LG Display Co., Ltd.

Inventor： Sungtae LEE ,  SeYoung KIM ,  KwanHo PARK ,  YeongRak CHOI ,  Kwangho KIM ,  Sungsu HAM

IPC: H04N5/64 ,  G02F1/1333 ,  G02F1/1362 ,  H04R1/02 ,  H04R1/26 ,  H04R5/02 ,  H10K59/00 ,  H10K99/00

CPC classification number: H04N5/642 ,  H04R1/025 ,  H04R1/26 ,  H04R5/02 ,  H10K59/00 ,  H10K99/00 ,  G02F1/133394 ,  G02F1/1362 ,  H04R2499/15

Abstract: An apparatus includes a vibration plate including an area and a bezel area surrounding the area, at least one vibration generator overlapping the area, and at least one exciter overlapping the bezel area. The at least one vibration generator does not overlap the bezel area. The at least one exciter includes a piezoelectric element. Each of the at least one vibration generator and the at least one exciter is configured to vibrate the vibration plate to generate sound.

公开(公告)号：US20230336920A1

公开(公告)日：2023-10-19

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 ,  H04R9/02 ,  H04R9/04 ,  H04R1/02 ,  H04R7/26

CPC classification number: H04R9/06 ,  H04R9/025 ,  H04R9/045 ,  H04R9/022 ,  H04R1/028 ,  H04R7/26 ,  H04R1/025 ,  H04R2499/13 ,  H04R2400/11 ,  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：US20220286783A1

公开(公告)日：2022-09-08

申请号：US17826005

申请日：2022-05-26

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：US20200167122A1

公开(公告)日：2020-05-28

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 ,  B60R11/02 ,  G06F1/16 ,  G10K9/122

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：US20200154207A1

公开(公告)日：2020-05-14

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

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：US20200029142A1

公开(公告)日：2020-01-23

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 ,  H04R7/04 ,  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.