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：US20200260169A1

公开(公告)日：2020-08-13

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 ,  H04R9/02 ,  H04R7/04 ,  H04R1/28

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：US20200186916A1

公开(公告)日：2020-06-11

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

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：US20200100024A1

公开(公告)日：2020-03-26

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

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：US20190310684A1

公开(公告)日：2019-10-10

申请号：US16440697

申请日：2019-06-13

Applicant: LG Display Co., Ltd.

Inventor： Sungtae LEE ,  YeongRak CHOI ,  Sungsu HAM

IPC: G06F1/16 ,  H04R1/02 ,  H04M1/03 ,  H04R9/04 ,  H04R7/04 ,  H04R9/06 ,  H04R9/02

Abstract: A display apparatus includes a display panel configured to display an image by emitting light, a supporting member on a rear surface of the display panel, and a sound generator between the display panel and the supporting member. The sound generator includes a magnetic circuit unit and a voice coil unit on the rear surface of the display panel, and the magnetic circuit unit and the voice coil unit are configured to vibrate the display panel to generate sound.

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：US20180332376A1

公开(公告)日：2018-11-15

申请号：US15974013

申请日：2018-05-08

Applicant: LG Display Co., Ltd.

Inventor： Sungtae LEE

IPC: H04R1/02 ,  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：US20170280234A1

公开(公告)日：2017-09-28

申请号：US15374566

申请日：2016-12-09

Applicant: LG DISPLAY CO., LTD.

Inventor： YeongRak CHOI ,  ChangHo OH ,  KwanHo PARK ,  Sungtae LEE

IPC: H04R1/32 ,  G06F1/16 ,  H04R1/02

CPC classification number: H04R1/323 ,  G02F1/1333 ,  G02F1/133308 ,  G06F1/1605 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2310/08 ,  H04R1/025 ,  H04R1/028 ,  H04R5/02 ,  H04R7/04 ,  H04R7/045 ,  H04R9/02 ,  H04R9/043 ,  H04R9/063 ,  H04R2400/03 ,  H04R2499/11 ,  H04R2499/15

Abstract: The present disclosure relates to a display device for generating sound by directly vibrating a display panel thereof, which includes a display panel connected to a surface of the display panel and configured to display an image; and a sound generating actuator, which is fixed to a support structure of the display panel and attached to the display panel to directly vibrate the display panel. In the display device, the progressing direction of the sound coincides with the image output direction in the display device. Therefore, sound localization or sound output characteristics of the display device or set apparatus can be improved, and a separate speaker is not required, the mechanism of the set apparatus can be easily designed, and a thickness thereof can be easily reduced.

公开(公告)号：US20170280217A1

公开(公告)日：2017-09-28

申请号：US15471184

申请日：2017-03-28

Applicant: LG DISPLAY CO., LTD.

Inventor： YeongRak CHOI ,  Sungtae LEE

IPC: H04R1/02 ,  H04R1/28 ,  H04R9/02 ,  H04R9/06

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; a support structure at a rear of the display panel; a sound generation actuator supported by the support structure and configured to vibrate the display panel to generate sound; and a cap member surrounding the sound generation actuator and secured to the support structure at an area of the support structure, the area being near the sound generation actuator.

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.