公开(公告)号：US20240259732A1

公开(公告)日：2024-08-01

申请号：US18389035

申请日：2023-11-13

Applicant: LG Display Co., Ltd.

Inventor： YeongRak CHOI ,  Kwangho KIM ,  Seonwook LEE ,  Daewon KIM ,  Seungwoo BAEK

IPC: H04R7/06 ,  H04R17/00

CPC classification number: H04R7/06 ,  H04R17/00

Abstract: An apparatus includes a vibration member and a vibration apparatus configured to vibrate the vibration member. The vibration member includes a plurality of plates overlapping one another and including different materials. The apparatus can enhance a sound characteristic and/or a sound pressure level characteristic of a low-pitched sound band of a sound generated by the apparatus.

公开(公告)号：US20250048037A1

公开(公告)日：2025-02-06

申请号：US18782809

申请日：2024-07-24

Applicant: LG Display Co., Ltd.

Inventor： YeongRak CHOI ,  Kwangho KIM ,  Taehyung KIM ,  Seonwook LEE

IPC: H04R17/00 ,  B60Q5/00 ,  H04R1/02

Abstract: An acoustic apparatus can include a vibration member, a supporting member disposed at a first surface of the vibration member, a first vibration apparatus configured to vibrate the vibration member, and a driving circuit part electrically connected to the first vibration apparatus and configured to drive the first vibration apparatus. In addition, the driving circuit part can be disposed at an internal space between the vibration member and the supporting member.