公开(公告)号：US20170289694A1

公开(公告)日：2017-10-05

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

CPC classification number: G06F1/1605 ,  G02F1/1333 ,  G02F1/133308 ,  G06F1/1616 ,  G06F1/1626 ,  G06F1/1647 ,  G06F1/1688 ,  H03H9/00 ,  H04R1/025 ,  H04R1/028 ,  H04R1/26 ,  H04R1/288 ,  H04R5/02 ,  H04R7/045 ,  H04R9/025 ,  H04R11/02 ,  H04R2440/05 ,  H04R2440/07 ,  H04R2499/11 ,  H04R2499/15

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：US20170280216A1

公开(公告)日：2017-09-28

申请号：US15471173

申请日：2017-03-28

Applicant: LG DISPLAY CO., LTD.

Inventor： Sungtae LEE ,  YeongRak CHOI

IPC: H04R1/02 ,  H04R11/02 ,  H04R1/28

CPC classification number: H04R5/02 ,  H04N5/642 ,  H04R1/025 ,  H04R1/028 ,  H04R1/26 ,  H04R1/288 ,  H04R3/14 ,  H04R5/023 ,  H04R7/045 ,  H04R9/025 ,  H04R9/06 ,  H04R9/066 ,  H04R11/02 ,  H04R2307/023 ,  H04R2307/025 ,  H04R2400/03 ,  H04R2440/05 ,  H04R2499/15

Abstract: A display device includes a display panel having first, second, and third areas; at least three sound generating actuators including first, second, and third actuators each spaced apart from the other two in a long axis direction of the display panel, wherein the first, second, and third actuators each contact the display panel at the first, second, and third areas, respectively, to generate sound by vibrating the display panel; and a support structure at a rear side of the display panel configured to support the at least three sound generating actuators.

公开(公告)号：US20250048037A1

公开(公告)日：2025-02-06

申请号：US18782809

申请日：2024-07-24

Applicant: LG Display Co., Ltd.

Inventor： YeongRak CHOI ,  Kwangho KIM ,  Taehyung KIM ,  Seonwook LEE

IPC: H04R17/00 ,  B60Q5/00 ,  H04R1/02

Abstract: An acoustic apparatus can include a vibration member, a supporting member disposed at a first surface of the vibration member, a first vibration apparatus configured to vibrate the vibration member, and a driving circuit part electrically connected to the first vibration apparatus and configured to drive the first vibration apparatus. In addition, the driving circuit part can be disposed at an internal space between the vibration member and the supporting member.

公开(公告)号：US20240422472A1

公开(公告)日：2024-12-19

申请号：US18745298

申请日：2024-06-17

Applicant: LG Display Co., Ltd.

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

IPC: H04R1/28 ,  H04R1/02 ,  H04R17/00

Abstract: A sound apparatus in one example includes a sound generating module having a vibration member and a vibration apparatus configured in the vibration member, an enclosure disposed in the sound generating module with an internal space therebetween, a coupling member between the enclosure and the vibration member, and a connection member connected to the enclosure. The connection member includes a material different from a material of the coupling member.

公开(公告)号：US20240422461A1

公开(公告)日：2024-12-19

申请号：US18745239

申请日：2024-06-17

Applicant: LG Display Co., Ltd.

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

IPC: H04R1/02 ,  H04R17/00

Abstract: Discussed is a sound apparatus that can include a sound generating module and an enclosure at the sound generating module with an internal space therebetween. The sound generating module can include a vibration member including at least one or more holes and a vibration apparatus configured at the vibration member.

公开(公告)号：US20240422459A1

公开(公告)日：2024-12-19

申请号：US18745905

申请日：2024-06-17

Applicant: LG Display Co., Ltd.

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

IPC: H04R1/02

Abstract: A sound apparatus in one example can include a sound generating module having a vibration member and a vibration apparatus configured at the vibration member, an enclosure connected to the vibration member with an internal space therebetween, and a connection member connected to the enclosure. The connection member can include a first portion and a second portion, where the first and second portions have different thicknesses from each other.

公开(公告)号：US20240365037A1

公开(公告)日：2024-10-31

申请号：US18759888

申请日：2024-06-30

Applicant: LG Display Co., Ltd.

Inventor： Yongjoon KIM ,  YeongRak CHOI ,  Joongsup HAN ,  Sungtae LEE

IPC: H04R1/02 ,  B06B1/06 ,  B60K35/00 ,  G02F1/1333 ,  G06F3/041 ,  H04R7/04 ,  H04R7/26 ,  H04R9/02 ,  H04R9/04 ,  H04R9/06 ,  H04R17/00 ,  H04R23/00

CPC classification number: H04R1/026 ,  H04R23/00 ,  B06B1/0688 ,  B60K35/00 ,  G02F1/1333 ,  G06F3/0412 ,  G06F3/0416 ,  H04R1/028 ,  H04R7/04 ,  H04R7/26 ,  H04R9/025 ,  H04R9/046 ,  H04R9/06 ,  H04R17/00 ,  H04R2499/15

Abstract: A display apparatus includes a display panel configured to display an image, a vibration apparatus at a rear surface of the display panel and configured to vibrate the display panel, a supporting member at a rear surface of the vibration apparatus, and a pad member between the vibration apparatus and the supporting member. A size of the pad member may be smaller than a size of the vibration apparatus, and the pad member may be connected to the rear surface of the vibration apparatus.

公开(公告)号：US20240177700A1

公开(公告)日：2024-05-30

申请号：US18431972

申请日：2024-02-03

Applicant: LG Display Co., Ltd.

Inventor： YeongRak CHOI ,  Sungtae LEE ,  Sungsu HAM ,  Joongsup HAN

IPC: G10K9/122 ,  G06F1/16 ,  G06F3/16

CPC classification number: G10K9/122 ,  G06F1/1605 ,  G06F3/16

Abstract: A display apparatus includes a display device including a display panel configured to display an image and include first to eleventh regions; a first partition between the first region and the third region; a second partition between the second region and the third region; a third partition between the fourth region and the seventh region; a fourth partition between the fifth region and the eighth region; a fifth partition between the sixth region and the seventh region; a sixth partition between the sixth region and the eighth region; and at least one first to eleventh vibration devices respectively at the first to eleventh regions. One or more among the at least one first to eleventh vibration devices are configured with a coil type vibration device, a film type vibration device, or a woofer-integrated vibration device.

公开(公告)号：US20240098396A1

公开(公告)日：2024-03-21

申请号：US18525749

申请日：2023-11-30

Applicant: LG Display Co., Ltd.

Inventor： Sungtae LEE ,  KwanHo PARK ,  YeongRak CHOI ,  Sungsu HAM ,  Joongsup HAN

IPC: H04R1/02 ,  B60R11/02 ,  H04R9/04 ,  H04R9/06 ,  H04R17/00

CPC classification number: H04R1/025 ,  B60R11/0223 ,  H04R1/028 ,  H04R9/046 ,  H04R9/06 ,  H04R17/00 ,  B60R2011/0033

Abstract: A sound generating apparatus for vehicles may include a sound generator including a sound generating member configured to vibrate a vehicle interior material of a vehicle. The sound generating member may include a plurality of vibration generator spaced apart from one another, a first protection member at a first surface of the plurality of vibration generators, and a second protection member at a second surface opposite to the first surface of the plurality of vibration generators.

公开(公告)号：US20230353934A1

公开(公告)日：2023-11-02

申请号：US18217983

申请日：2023-07-03

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

CPC classification number: H04R1/323 ,  G02F1/1333 ,  H04R1/025 ,  G06F1/1605 ,  H04R1/028 ,  H04R7/045 ,  H04R9/02 ,  G02F1/133308 ,  H04R5/02

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.