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：US20220279277A1

公开(公告)日：2022-09-01

申请号：US17744603

申请日：2022-05-13

Applicant: LG Display Co., Ltd.

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

IPC: 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：US20220069194A1

公开(公告)日：2022-03-03

申请号：US17460872

申请日：2021-08-30

Applicant: LG Display Co., Ltd.

Inventor： Sungtae LEE ,  Yongjoon KIM ,  Sungsu HAM ,  Joongsup HAN

IPC: H01L41/09 ,  H01L41/18 ,  H01L41/047 ,  H04R3/04

Abstract: An apparatus includes a display panel displaying an image and a vibration apparatus disposed at a rear surface of the display panel to vibrate the display panel. The vibration apparatus may include a plurality of vibration generators overlapping one another. Accordingly, a sound may be generated based on a vibration of the display panel, and a sound having an enhanced sound pressure level characteristic may be output in a forward direction of the display panel.

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：US20240155278A1

公开(公告)日：2024-05-09

申请号：US18389705

申请日：2023-12-19

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：US20230209010A1

公开(公告)日：2023-06-29

申请号：US18114899

申请日：2023-02-27

Applicant: LG Display Co., Ltd.

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

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

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

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：US20210409854A1

公开(公告)日：2021-12-30

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 ,  G06F3/16 ,  G06F3/147

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：US20210352390A1

公开(公告)日：2021-11-11

申请号：US17315863

申请日：2021-05-10

Applicant: LG Display Co., Ltd.

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

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

Abstract: A sound generating apparatus for vehicles may include a sound generating device to be covered by a vehicle interior material of a vehicle. The sound generating device may be configured to vibrate the vehicle interior material. A vehicle including the sound generating apparatus for vehicles may include a vehicle interior material, covering a vehicle structure, and at least one sound generating apparatus disposed at the vehicle interior material. The vehicle interior material may vibrate according to a vibration of the sound generating apparatus to output a sound.

公开(公告)号：US20200092650A1

公开(公告)日：2020-03-19

申请号：US16574605

申请日：2019-09-18

Applicant: LG Display Co., Ltd.

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

IPC: 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：US20190045286A1

公开(公告)日：2019-02-07

申请号：US16043599

申请日：2018-07-24

Applicant: LG Display Co., Ltd.

Inventor： Kwangho KIM ,  YeongRak CHOI ,  Sungtae LEE ,  Sungsu HAM

IPC: H04R1/02 ,  H04R17/00

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.