公开(公告)号：US20230209275A1

公开(公告)日：2023-06-29

申请号：US17878906

申请日：2022-08-02

Applicant: LG Display Co., Ltd.

Inventor： Giyoun KIM ,  Eun ROH

IPC: H04R17/00 ,  H04R1/02

CPC classification number: H04R17/00 ,  H04R1/028 ,  H04R2499/15 ,  H05K5/0018

Abstract: An apparatus includes a display member configured to display an image, a front member at a front surface of the display member, a vibration apparatus at a rear surface of the display member, and an adhesive member between the display member and the front member, the adhesive member including a piezoelectric material.

公开(公告)号：US20230209233A1

公开(公告)日：2023-06-29

申请号：US17941927

申请日：2022-09-09

Applicant: LG Display Co., Ltd.

Inventor： Eun ROH ,  NohJin MYUNG ,  Seungkyu LEE ,  SangHoon OH ,  Jieun LEE

IPC: H04R1/02 ,  H04R17/00

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

Abstract: A sound apparatus includes a first vibration member, a second vibration member adjacent to the first vibration member, a third vibration member adjacent to the second vibration member, a first vibration apparatus configured to vibrate the first vibration member and the second vibration member and output a sound of a first pitched sound band and a sound of a second pitched sound band which differ, and a second vibration apparatus disposed at a rear surface of the third vibration member and configured to vibrate the third vibration member and output a sound of a third pitched sound band which differs from the sound of the first pitched sound band.