公开(公告)号：US11895451B2

公开(公告)日：2024-02-06

申请号：US18190919

申请日：2023-03-27

Applicant: LG Display Co., Ltd.

Inventor： YeongRak Choi ,  Sungtae Lee ,  Kwangho Kim ,  Sungsu Ham ,  Joongsup Han

IPC: H04R1/02 ,  G06F3/147 ,  G06F3/16

CPC classification number: H04R1/028 ,  G06F3/147 ,  G06F3/16 ,  H04R2499/15

Abstract: A display apparatus includes a display device including a display panel configured to display an image and include first to sixth regions, at least one first vibration device and at least one second vibration device respectively at the first region and the second region, at least one third vibration device, at least one fourth vibration device, and at least one fifth vibration device respectively at the fourth to sixth 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 sixth region, and a fourth partition between the fifth region and the sixth region, wherein a length of one or more among the first partition and the second partition differs from a length of one or more among the third partition and the fourth partition.

公开(公告)号：US11647317B2

公开(公告)日：2023-05-09

申请号：US17360367

申请日：2021-06-28

Applicant: LG Display Co., Ltd.

Inventor： YeongRak Choi ,  Sungtae Lee ,  Kwangho Kim ,  Sungsu Ham ,  Joongsup Han

IPC: H04R1/02 ,  G06F3/147 ,  G06F3/16

CPC classification number: H04R1/028 ,  G06F3/147 ,  G06F3/16 ,  H04R2499/15

Abstract: A display apparatus includes a display device including a display panel configured to display an image and include first to sixth regions, at least one first vibration device and at least one second vibration device respectively at the first region and the second region, at least one third vibration device, at least one fourth vibration device, and at least one fifth vibration device respectively at the fourth to sixth 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 sixth region, and a fourth partition between the fifth region and the sixth region, wherein a length of one or more among the first partition and the second partition differs from a length of one or more among the third partition and the fourth partition.

公开(公告)号：US11363381B2

公开(公告)日：2022-06-14

申请号：US17235611

申请日：2021-04-20

Applicant: LG Display Co., Ltd.

Inventor： Sungsu Ham ,  YeongRak Choi ,  Sungtae Lee ,  Joongsup Han

IPC: H04R5/00 ,  H04R5/02 ,  H04R5/04 ,  H04S3/00

Abstract: A display apparatus is capable of outputting a stereo sound. The display apparatus includes a display panel configured to display an image; a sound generating device on a rear surface of the display panel; a rear cover on the rear surface of the display panel and configured to support the sound generating device; a partition member between the rear surface of the display panel and the rear cover and configured to divide the display panel into first, second, third, fourth and fifth areas; and first, second, third, fourth, and fifth sound generating devices attached to the rear surface of the display panel and configured to vibrate the display panel. The first, second, third, fourth and fifth sound generating devices are in the first, second, third, fourth and fifth areas, respectively.

公开(公告)号：US11132018B2

公开(公告)日：2021-09-28

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 ,  H04R9/02 ,  H04R9/06 ,  H04R9/04 ,  H04M1/03 ,  H04R1/02 ,  H04R7/04

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：US20210266670A1

公开(公告)日：2021-08-26

申请号：US17207289

申请日：2021-03-19

Applicant: LG Display Co., Ltd.

Inventor： YeongRak Choi ,  KwanHo Park ,  Sungtae Lee

IPC: H04R7/04 ,  H04R9/02 ,  H04R9/06 ,  H04R1/02

Abstract: A display apparatus includes a display panel configured to display an image by emitting light, and a sound generating device on a rear surface of the display panel. The sound generating device includes a bobbin, and a protection member on the bobbin.

公开(公告)号：US11032509B2

公开(公告)日：2021-06-08

申请号：US16941184

申请日：2020-07-28

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：US20210112324A1

公开(公告)日：2021-04-15

申请号：US17128179

申请日：2020-12-20

Applicant: LG Display Co., Ltd.

Inventor： Kwangho Kim ,  YeongRak Choi ,  Sungtae Lee ,  Sungsu Ham

IPC: H04R1/02 ,  H04R17/00 ,  H04R1/28 ,  H04R7/04

Abstract: A display apparatus is disclosed. The display apparatus includes a display panel configured to display an image and a supporting member at a rear surface of the display panel. The display apparatus also includes a sound generator between the display panel and the supporting member, and at least one vibration member between the display panel and the supporting member.

公开(公告)号：US10921852B2

公开(公告)日：2021-02-16

申请号：US16719228

申请日：2019-12-18

Applicant: LG Display Co., Ltd.

Inventor： YeongRak Choi ,  Sungtae Lee ,  Hogeol Lim ,  Daeho Kim ,  Hongseok Jung

IPC: G06F1/16 ,  H04R1/02 ,  H04R9/06 ,  H04R7/04 ,  H04R5/02

Abstract: A display apparatus includes: a display panel configured to display an image, one or more sound generation devices configured to vibrate the display panel to generate sound, a supporting member configured to support the display panel, a partition between the display panel and the supporting member, the partition including: a first side in a horizontal direction, and a second side in a vertical direction, one or more first pad parts on the first side of the partition, and one or more second pad parts on the second side of the partition, wherein a first of the one or more first pad parts includes a different material from a material of a first of the one or more second pad parts.

公开(公告)号：US10904670B2

公开(公告)日：2021-01-26

申请号：US16806327

申请日：2020-03-02

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：US10681441B2

公开(公告)日：2020-06-09

申请号：US16047607

申请日：2018-07-27

Applicant: LG Display Co., Ltd.

Inventor： Sungtae Lee ,  KwanHo Park ,  YeongRak Choi

IPC: H04R1/02 ,  H04R11/02 ,  H04R9/02 ,  H04R7/04 ,  G06F1/16 ,  H04R1/26 ,  H04R9/04

Abstract: A display apparatus includes: a display panel configured to display an image, a supporting member on a rear surface of the display panel, at least one sound generation device adjacent to the display panel, a wiring configured to transfer a signal to the at least one sound generation device, and a supporting plate on the rear surface of the display panel, the supporting plate being under the at least one sound generation device and the wiring.