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：US12177629B2

公开(公告)日：2024-12-24

申请号：US18088326

申请日：2022-12-23

Applicant: LG Display Co., Ltd.

Inventor： Taehyung Kim ,  GyungBo Ha ,  SeulKi Nam ,  Minjung Kim ,  MinHo Sohn

IPC: H04R17/00 ,  B62D21/02 ,  B62D21/15 ,  B62D25/08 ,  B62D27/02 ,  G10K11/16 ,  H04R3/00

Abstract: An apparatus may include a passive vibration member and an active vibration member connected to the passive vibration member and including first and second vibration portions arranged in parallel with each other. The apparatus may further include a driving apparatus configured to apply a first driving signal to the first vibration portion and a second driving signal to the second vibration portion, based on an input signal, to vibrate the first vibration portion and the second vibration portion.

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.

公开(公告)号：US20240015442A1

公开(公告)日：2024-01-11

申请号：US18218176

申请日：2023-07-05

Applicant: LG Display Co., Ltd.

Inventor： Taehyung Kim ,  SeulKi Nam ,  ImGeun Lee ,  GyungBo Ha ,  Nohwon Park ,  Minjung Kim

IPC: H04R7/04 ,  H04R9/04 ,  H04R1/32 ,  H04R1/28 ,  H04R9/02

CPC classification number: H04R7/045 ,  H04R9/046 ,  H04R1/323 ,  H04R1/2857 ,  H04R9/025 ,  H04R2499/15

Abstract: An apparatus may include a vibration member, a supporting member at a rear surface of the vibration member, and a sound generating apparatus at a rear surface of the supporting member. The sound generating apparatus may be configured to output a first sound in a first direction and to output a second sound in a second direction different from the first direction.

公开(公告)号：US20230217188A1

公开(公告)日：2023-07-06

申请号：US18088326

申请日：2022-12-23

Applicant: LG Display Co., Ltd.

Inventor： Taehyung Kim ,  GyungBo Ha ,  SeulKi Nam ,  Minjung Kim ,  MinHo Sohn

IPC: H04R17/00 ,  G10K11/16 ,  H04R3/00

CPC classification number: H04R17/00 ,  G10K11/16 ,  H04R3/00 ,  H04R2499/15

Abstract: An apparatus may include a passive vibration member and an active vibration member connected to the passive vibration member and including first and second vibration portions arranged in parallel with each other. The apparatus may further include a driving apparatus configured to apply a first driving signal to the first vibration portion and a second driving signal to the second vibration portion, based on an input signal, to vibrate the first vibration portion and the second vibration portion.