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：US20230217833A1

公开(公告)日：2023-07-06

申请号：US17980553

申请日：2022-11-04

Applicant: LG Display Co., Ltd.

Inventor： Sooyoun KIM ,  Yong-Su HAM ,  YongWoo LEE ,  YuSeon KHO ,  Jaeyoung LIM

IPC: H01L41/053

CPC classification number: H01L41/053

Abstract: A vibration apparatus and an apparatus including the same are provided. The vibration apparatus includes a first vibration portion including a first material and a second vibration portion disposed adjacent to the first vibration portion, the second vibration portion including a second material. The apparatus including the vibration apparatus further includes a vibration object; a vibration generating apparatus at the vibration object; and a connection member between the vibration object and the vibration generating apparatus.

公开(公告)号：US20230217827A1

公开(公告)日：2023-07-06

申请号：US17967781

申请日：2022-10-17

Applicant: LG Display Co., Ltd.

Inventor： YuSeon KHO ,  Jaeyoung LIM ,  Sooyoun KIM ,  YongWoo LEE

IPC: H01L41/09 ,  H01L41/047 ,  H01L41/18 ,  H04R17/10

CPC classification number: H01L41/09 ,  H01L41/0472 ,  H01L41/18 ,  H04R17/10 ,  H04R2499/15

Abstract: A vibration apparatus includes a vibration device. The vibration device includes a vibration portion including a piezoelectric material, a first electrode portion at a first surface of the vibration portion and configured as a plurality of circular patterns, and a second electrode portion at a second surface different from the first surface of the vibration portion and configured as a single electrode, and the vibration device generates an ultrasound wave.

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.