公开(公告)号：US20230217161A1

公开(公告)日：2023-07-06

申请号：US17977378

申请日：2022-10-31

Applicant: LG Display Co., Ltd.

Inventor： YoungWook HA ,  Chiwan KIM ,  SeungRyull PARK ,  SangWoo JIN

IPC: H04R1/40 ,  H04R1/02 ,  H04R17/00 ,  H04R3/12 ,  H04R1/28

CPC classification number: H04R1/403 ,  H04R1/028 ,  H04R17/00 ,  H04R3/12 ,  H04R1/2896 ,  H04R2499/15 ,  H04R2400/11 ,  H04R2400/03

Abstract: An apparatus can include a display member configured to display an image, a vibration apparatus disposed at a rear surface of the display member, a supporting frame disposed at a rear surface of the vibration apparatus, and an adhesive member disposed between the supporting frame and the rear surface of the display member. In addition, the adhesive member and/or supporting frame is spaced apart from the vibration apparatus, and the vibration apparatus is configured to vibrate in a direction toward the display member.

公开(公告)号：US20230138723A1

公开(公告)日：2023-05-04

申请号：US17950064

申请日：2022-09-21

Applicant: LG Display Co., Ltd.

Inventor： Jaeyoung LIM ,  SangWoo JIN ,  Minjung KIM

IPC: H04R17/00

Abstract: An apparatus may generate a vibration or a sound to enhance a sound characteristic and/or a sound pressure level characteristic. The apparatus may include a vibration member, a vibration apparatus at a rear surface of the vibration member and configured to vibrate the vibration member, and a supporting member at a rear surface of the vibration apparatus, the supporting member including a metamaterial.

公开(公告)号：US20230179926A1

公开(公告)日：2023-06-08

申请号：US17947852

申请日：2022-09-19

Applicant: LG Display Co., Ltd.

Inventor： SangWoo JIN ,  Minjung KIM ,  Jaewon HWANG ,  Jaeyoung LIM

IPC: H04R17/00 ,  H04R1/02 ,  H04R1/40

CPC classification number: H04R17/00 ,  H04R1/028 ,  H04R1/403 ,  H04R2499/15

Abstract: An apparatus includes a vibration member, a vibration apparatus at a rear surface of the vibration member and configured to vibrate the vibration member, and a curved supporting member between the vibration member and the vibration apparatus, wherein the curved supporting member includes a first surface adjacent to the vibration apparatus and a second surface opposite to the first surface, and the first surface includes a curved surface.

公开(公告)号：US20240223964A1

公开(公告)日：2024-07-04

申请号：US18513737

申请日：2023-11-20

Applicant: LG Display Co., Ltd.

Inventor： Eun ROH ,  NohJin MYUNG ,  SangWoo JIN ,  Seunghyun SUNG

IPC: H04R17/10 ,  H04R1/02 ,  H04R7/10

CPC classification number: H04R17/10 ,  H04R1/028 ,  H04R7/10 ,  H04R2307/023 ,  H04R2499/15

Abstract: A vibration apparatus includes a vibration member, a cover member, and a vibration generating part between the vibration member and the cover member. At least a portion of vibration generating part is configured to be one body with or directly connected with the vibration member.

公开(公告)号：US20240223963A1

公开(公告)日：2024-07-04

申请号：US18388065

申请日：2023-11-08

Applicant: LG Display Co., Ltd.

Inventor： Yong-Su HAM ,  Minji KIM ,  SangWoo JIN

IPC: H04R17/10

CPC classification number: H04R17/10 ,  H04R2217/01

Abstract: An apparatus is provided for outputting sound. The apparatus includes a vibration member including an internal space and a vibration device configured to vibrate the vibration member. The apparatus may enhance a sound characteristic of a low-pitched sound band as well as a high-pitched sound band. Further, the apparatus may provide a wide pitched sound band and improve a flatness of a sound pressure level.

公开(公告)号：US20240165665A1

公开(公告)日：2024-05-23

申请号：US18384903

申请日：2023-10-30

Applicant: LG DISPLAY CO., LTD.

Inventor： SangWoo JIN ,  Yong-Su HAM ,  Minji KIM ,  Eun ROH

IPC: B06B1/06 ,  B06B1/02

CPC classification number: B06B1/0618 ,  B06B1/0207

Abstract: A vibration apparatus includes a vibration layer including a piezoelectric material, a first electrode layer at a first surface of the vibration layer, a second electrode layer at a second surface of the vibration layer different from the first surface, and a discharge member electrically connected to the first electrode layer and the second electrode layer.