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公开(公告)号：US20240007798A1
公开(公告)日：2024-01-04
申请号：US18368903
申请日：2023-09-15
Applicant: LG DISPLAY CO., LTD.
Inventor： Jaehun YE
CPC classification number: H04R17/00 , H10K59/00 , H04R2499/15
Abstract: A sound apparatus includes a piezoelectric device configured to vibrate based on a sound signal input thereto, a vibration member, and an elastic member configured to connect at least a portion of the piezoelectric device to the vibration member.
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公开(公告)号：US20220216810A1
公开(公告)日：2022-07-07
申请号：US17566137
申请日：2021-12-30
Applicant: LG DISPLAY CO., LTD.
Inventor： Jaehun YE
Abstract: A sound generator includes a piezoelectric device, a first weight member disposed at a first portion of the piezoelectric device, a second weight member disposed at a second portion of the piezoelectric device, a first elastic member disposed at a third portion between the first portion and the second portion of the piezoelectric device, and a protection member configured to cover the piezoelectric device, the first weight member, the second weight member, and the first elastic member.
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公开(公告)号：US20240214738A1
公开(公告)日：2024-06-27
申请号：US18384595
申请日：2023-10-27
Applicant: LG Display Co., Ltd.
Inventor： Jaehun YE
CPC classification number: H04R7/08 , H04R1/028 , H04R17/00 , H04R2499/15
Abstract: A sound apparatus may include a vibration device including a first surface and a second surface opposite to the first surface and configured to vibrate by an input sound signal, a first vibration member connected to the first surface, a second vibration member, and a first elastic member connecting the second surface to the second vibration member.
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公开(公告)号：US20230209276A1
公开(公告)日：2023-06-29
申请号：US18087561
申请日：2022-12-22
Applicant: LG Display Co., Ltd.
Inventor： Jaehun YE , Shinji TAKASUGI
IPC: H04R17/00
CPC classification number: H04R17/00 , H04R2499/15
Abstract: An apparatus can include a passive vibration member; a vibration device coupled to a rear surface of the passive vibration member; and a supporting member at the rear surface of the passive vibration member. The apparatus can include a first vibration portion; a second vibration portion coupled to a periphery of the first vibration portion; and a connection portion disposed between a periphery of the second vibration portion and the rear surface of the passive vibration member.
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公开(公告)号：US20230209251A1
公开(公告)日：2023-06-29
申请号：US18087573
申请日：2022-12-22
Applicant: LG Display Co., Ltd.
Inventor： Jaehun YE , Shinji TAKASUGI
CPC classification number: H04R1/403 , H04R17/10 , H04R3/02 , H04R2201/401
Abstract: An apparatus can include a passive vibration member; a vibration device including a plurality of active vibration members coupled to a rear surface of the passive vibration member, the plurality of active vibration members being arranged along one or more of a first direction and a second direction intersecting with the first direction; and a supporting member at the rear surface of the passive vibration member. Also, at least one or more of the plurality of active vibration members are configured to receive a driving signal that differs from a driving signal applied to other active vibration members among the plurality of active vibration members.
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Patent Agency Ranking
公开(公告)号：US20220217472A1
公开(公告)日：2022-07-07
申请号：US17566158
申请日：2021-12-30
Applicant: LG DISPLAY CO., LTD.
Inventor： Jaehun YE , Takayuki SUZUKI
IPC: H04R17/00
Abstract: A sound generator includes a vibration plate, a vibration portion including a first vibration device and a second vibration device disposed at a rear surface of the vibration plate to intersect with each other, and a connection portion connected between the vibration plate and the vibration portion, wherein each of the first vibration device and the second vibration device includes a plurality of piezoelectric layers and a common electrode disposed between the plurality of piezoelectric layers and including at least one weight member.
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公开(公告)号：US20240214736A1
公开(公告)日：2024-06-27
申请号：US18529982
申请日：2023-12-05
Applicant: LG Display Co., Ltd.
Inventor： Jaehun YE
CPC classification number: H04R7/04 , H04R17/00 , H04R2499/15
Abstract: A sound apparatus comprises a first vibration device which vibrates by an input driving signal, a first substrate including a first main surface and a second main surface facing each other, wherein the first vibration device is disposed on at least a portion of the first main surface of the first substrate, a second substrate including a first main surface and a second main surface facing each other, wherein a portion of the first main surface of the second substrate is disposed to be adjacent to a portion of the second main surface of the first substrate, a second vibration device disposed on at least a portion of the second main surface of the second substrate and vibrates by the input driving signal, a vibration member, a first elastic member connecting the first substrate and the vibration member, and a second elastic member connecting the first substrate and the vibration member.
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公开(公告)号：US20230388719A1
公开(公告)日：2023-11-30
申请号：US18232005
申请日：2023-08-09
Applicant: LG DISPLAY CO., LTD.
Inventor： Takayuki SUZUKI , Jaehun YE
CPC classification number: H04R17/005 , H04R1/025 , G10H3/143 , H04R2400/03 , H04R2499/11
Abstract: A sound apparatus includes a piezoelectric device, a vibration member connected to the piezoelectric device, a first magnet connected to the piezoelectric device, and a second magnet facing the first magnet, which can readily realize a desired frequency characteristic.
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公开(公告)号：US20230209268A1
公开(公告)日：2023-06-29
申请号：US18070103
申请日：2022-11-28
Applicant: LG Display Co., Ltd.
Inventor： Jaehun YE
CPC classification number: H04R7/045 , G06F3/016 , H04R17/00 , H01L41/09 , H04R1/2811 , H04R2499/15 , H04R2440/05 , H04R2400/03
Abstract: An apparatus may include a passive vibration member, a supporting member overlapping the passive vibration member, and a vibration apparatus between the passive vibration member and the supporting member and configured to include first and second active vibration members connected to each other and intersecting with each other. The first active vibration member may be connected to a first member of one of the passive vibration member and the supporting member, and the second active vibration member may be connected to a second member of the other of the passive vibration member and the supporting member.
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公开(公告)号：US20220132236A1
公开(公告)日：2022-04-28
申请号：US17510627
申请日：2021-10-26
Applicant: LG DISPLAY CO., LTD.
Inventor： Jaehun YE
Abstract: A sound apparatus comprises a plurality of vibration devices and a vibration member including a same main surface connected to the plurality of vibration devices, the plurality of vibration devices include a first vibration device and a second vibration device, which transfer vibrations having different phases each other to the vibration member.
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