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公开(公告)号：US20240224805A1
公开(公告)日：2024-07-04
申请号：US18389135
申请日：2023-11-13
Applicant: LG Display Co., Ltd.
Inventor： Sooyoun KIM , YongWoo LEE , HwaYoul LEE , Uihyeon JEONG , JounHo LEE
IPC: H10N30/50 , H10N30/053 , H10N30/853
CPC classification number: H10N30/50 , H10N30/053 , H10N30/8536 , H10N30/8542 , H10N30/8561
Abstract: Discussed is a piezoelectric device that can include a piezoelectric device layer, a first electrode layer at a first surface of the piezoelectric device layer, and a second electrode layer at a second surface, differing from the first surface, of the piezoelectric device layer, wherein the piezoelectric device layer includes a first vibration portion and a second vibration portion each provided on a same plane to have different characteristics.
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公开(公告)号：US20240223962A1
公开(公告)日：2024-07-04
申请号：US18386922
申请日：2023-11-03
Applicant: LG Display Co., Ltd.
Inventor： Uihyeon JEONG , YongWoo LEE , JounHo LEE , Sooyoun KIM , HwaYoul LEE
CPC classification number: H04R17/00 , H04R1/028 , H10N30/871 , H04R2499/15
Abstract: A vibration apparatus includes a conductive substrate, at least one vibration layer at one surface of the conductive substrate, and at least one electrode layer at one surface of the vibration layer. The vibration layer and the electrode layer are alternately arranged in a stack on the surface of the conductive substrate.
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公开(公告)号：US20230217186A1
公开(公告)日：2023-07-06
申请号：US17982025
申请日：2022-11-07
Applicant: LG Display Co., Ltd.
Inventor： YuSeon KHO , Sooyoun KIM
IPC: H04R17/00
CPC classification number: H04R17/00 , H04R2499/13 , H04R2499/15
Abstract: An apparatus includes a vibration member, a housing at a rear surface of the vibration member, a connection member between the vibration member and the housing, and a vibration apparatus configured to vibrate the vibration member, the vibration member includes at least one flat portion and at least one flexural portion adjacent to the at least one flat portion.
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