公开(公告)号：US11616928B2

公开(公告)日：2023-03-28

申请号：US17244823

申请日：2021-04-29

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：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：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：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：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.

公开(公告)号：US12089003B2

公开(公告)日：2024-09-10

申请号：US17948181

申请日：2022-09-19

Applicant: LG Display Co., Ltd.

Inventor： Kwangho Kim

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

CPC classification number: H04R17/00 ,  H04R1/028 ,  H04R7/045 ,  H04R2499/15

Abstract: A display apparatus includes a display panel configured to display an image; a plate on a rear surface of the display panel; a rear structure on a rear surface of the plate and configured to support the display panel; a vibration member configured to vibrate the plate; and a first supporting member between a periphery of the plate and the rear structure.

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：US11979700B2

公开(公告)日：2024-05-07

申请号：US18210011

申请日：2023-06-14

Applicant: LG Display Co., Ltd.

Inventor： Kwangho Kim

IPC: H04R1/02 ,  G02F1/1333 ,  H10K59/00 ,  H10K59/126 ,  G02F1/1362 ,  G02F1/1368

CPC classification number: H04R1/028 ,  G02F1/133308 ,  H10K59/00 ,  H10K59/126 ,  G02F1/136286 ,  G02F1/1368 ,  H04R2499/15

Abstract: A display apparatus may include: a display panel configured to display an image, a supporting member configured to support the display panel, a coupling member in the supporting member, and at least one sound-generating device coupled to the display panel by the coupling member, the at least one sound-generating device being configured to vibrate the display panel to generate sound.

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：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.