公开(公告)号：US20230217189A1

公开(公告)日：2023-07-06

申请号：US18090661

申请日：2022-12-29

Applicant: LG Display Co., Ltd.

Inventor： Daeho KIM ,  YeongRak CHOI ,  MinKyu CHOI ,  Seungo JEON ,  Kwangho KIM ,  Jeongbeom LEE ,  Taehyoung KIM ,  KwanHo PARK

IPC: H04R17/00 ,  H10N30/20 ,  H04R1/02

CPC classification number: H04R17/00 ,  H10N30/204 ,  H04R1/028 ,  H04R2499/15

Abstract: A sound apparatus can include a vibration member; a housing at a rear surface of the vibration member; a connection member disposed between the vibration member and the housing; and a vibration apparatus configured to vibrate the vibration member. The vibration apparatus can include at least one piezoelectric element for producing sound. Also, the connection member can have a first stiffness that is less than a second stiffness of the housing, and the vibration member can be isolated from the housing by the connection member.

公开(公告)号：US20230007387A1

公开(公告)日：2023-01-05

申请号：US17851644

申请日：2022-06-28

Applicant: LG Display Co., Ltd.

Inventor： Daeho KIM ,  YuSeon KHO ,  Kyungyeol RYU ,  YeongRak CHOI ,  KwanHo PARK ,  MinKyu CHOI ,  Jeongbeom LEE ,  Inchan JEONG ,  MinHo SOHN ,  Seungo JEON ,  Kwangho KIM ,  SeungRyull PARK ,  JunSeok OH ,  Chiwan KIM

IPC: H04R1/26 ,  H04R1/02 ,  H04R17/00 ,  H04R1/32 ,  H04R3/12

Abstract: A sound apparatus may include a vibration member, a housing configured to cover a rear surface of the vibration member, and a vibration apparatus including one or more vibration devices configured to vibrate the vibration member. The vibration member may include a non-planar structure.