公开(公告)号：US12052544B2

公开(公告)日：2024-07-30

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

CPC classification number: H04R17/00 ,  H04R2499/15

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：US12035105B2

公开(公告)日：2024-07-09

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.