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公开(公告)号:US11289252B2
公开(公告)日:2022-03-29
申请号:US16473863
申请日:2018-01-02
Applicant: LG INNOTEK CO., LTD.
Inventor: Mi Jin Lee , Ji Yeon Song , Yu Seon Kim , Jong Wook Lim , Seok Bae , Sang Won Lee
Abstract: An inductor includes a first magnetic body having a toroidal shape and having a ferrite; and a second magnetic body configured to be different from the first magnetic body and including a metal ribbon, wherein the second magnetic body includes an outer magnetic body disposed on an outer circumferential surface of the first magnetic body and an inner magnetic body disposed on an inner circumferential surface of the first magnetic body, and each of the outer magnetic body and inner magnetic body is wound in a plurality of layers in a circumferential direction of the first magnetic body.
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公开(公告)号:US11955262B2
公开(公告)日:2024-04-09
申请号:US17673245
申请日:2022-02-16
Applicant: LG INNOTEK CO., LTD.
Inventor: Mi Jin Lee , Ji Yeon Song , Yu Seon Kim , Jong Wook Lim , Seok Bae , Sang Won Lee
CPC classification number: H01F1/34 , H01F3/04 , H01F3/08 , H01F17/0013 , H01F17/06 , H01F27/245 , H01F41/0213 , H01F2017/065
Abstract: An inductor includes a first magnetic body having a toroidal shape and having a ferrite; and a second magnetic body configured to be different from the first magnetic body and including a metal ribbon, wherein the second magnetic body includes an outer magnetic body disposed on an outer circumferential surface of the first magnetic body and an inner magnetic body disposed on an inner circumferential surface of the first magnetic body, and each of the outer magnetic body and inner magnetic body is wound in a plurality of layers in a circumferential direction of the first magnetic body.
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公开(公告)号:US09997950B2
公开(公告)日:2018-06-12
申请号:US14900467
申请日:2014-06-16
Applicant: LG INNOTEK CO., LTD.
Inventor: Seok Bae , Yu Seon Kim , Sang Hak Lee , Don Chul Choi , Soon Young Hyun
CPC classification number: H02J7/025 , H01F38/14 , H01Q7/00 , H02J7/04 , H02J50/10 , H02J50/70 , H04B5/0037 , H04B5/0081
Abstract: A receiving antenna of a wireless power receiving device wirelessly charging electric power according to an embodiment of the present invention includes a substrate, a first soft magnetic layer stacked on the substrate, and including a soft magnetic material, and a receiving coil configured to receive electromagnetic energy emitted from a wireless power transmission device, and including a first coil layer wound in parallel with the soft magnetic layer, and a second coil layer electrically connected to the first coil layer and wound in parallel with the first coil layer, and a current direction of the first coil layer is opposite to a current direction of the second coil layer.
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公开(公告)号:US20230076761A1
公开(公告)日:2023-03-09
申请号:US17759898
申请日:2021-01-29
Applicant: LG INNOTEK CO., LTD.
Inventor: Yu Seon Kim , Seok Bae , In Seong Sohn
Abstract: A transformer according to one embodiment comprises: a core portion having an upper core and a lower core; and a coil portion disposed in the core portion, wherein: the coil portion includes a first coil wound in a first direction, a second coil wound in a second direction opposite to the first direction, and a third coil including a flat panel shape; the lower core includes a body portion, a first leg portion and a second leg portion protruding from the body portion, and a spacing portion formed between the first leg portion and the second leg portion; the first leg portion includes two first outer legs and a first intermediate leg disposed between the two first outer legs; the second leg portion includes two second outer legs and a second intermediate leg disposed between the two second outer legs; the first coil can be disposed to surround the first intermediate leg; and the second coil can be disposed to surround the second intermediate leg.
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公开(公告)号:US10333358B2
公开(公告)日:2019-06-25
申请号:US15975106
申请日:2018-05-09
Applicant: LG INNOTEK CO., LTD.
Inventor: Seok Bae , Yu Seon Kim , Sang Hak Lee , Don Chul Choi , Soon Young Hyun
Abstract: A receiving antenna of a wireless power receiving device wirelessly charging electric power according to an embodiment of the present invention includes a substrate, a first soft magnetic layer stacked on the substrate, and including a soft magnetic material, and a receiving coil configured to receive electromagnetic energy emitted from a wireless power transmission device, and including a first coil layer wound in parallel with the soft magnetic layer, and a second coil layer electrically connected to the first coil layer and wound in parallel with the first coil layer, and a current direction of the first coil layer is opposite to a current direction of the second coil layer.
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公开(公告)号:US11373792B2
公开(公告)日:2022-06-28
申请号:US16482969
申请日:2018-02-13
Applicant: LG INNOTEK CO., LTD.
Inventor: Mi Jin Lee , Yu Seon Kim , Seok Bae , Ji Yeon Song , Sang Won Lee , Jong Wook Lim
Abstract: An inductor according to one embodiment of the present invention comprised: a magnetic core; and a coil wound around the magnetic core, wherein the magnetic core includes a plurality of stacked sub-magnetic cores, each sub-magnetic core includes a first magnetic body and a second magnetic body, the first magnetic body and the second magnetic core are different materials, the second magnetic body is arranged on a surface of the first magnetic body, each sub-magnetic core has a toroidal shape, and a permeability of the first magnetic body differs from a permeability of the second magnetic body.
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公开(公告)号:US20220199305A1
公开(公告)日:2022-06-23
申请号:US17673245
申请日:2022-02-16
Applicant: LG INNOTEK CO., LTD.
Inventor: Mi Jin Lee , Ji Yeon Song , Yu Seon Kim , Jong Wook Lim , Seok Bae , Sang Won Lee
Abstract: An inductor includes a first magnetic body having a toroidal shape and having a ferrite; and a second magnetic body configured to be different from the first magnetic body and including a metal ribbon, wherein the second magnetic body includes an outer magnetic body disposed on an outer circumferential surface of the first magnetic body and an inner magnetic body disposed on an inner circumferential surface of the first magnetic body, and each of the outer magnetic body and inner magnetic body is wound in a plurality of layers in a circumferential direction of the first magnetic body.
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公开(公告)号:US10003376B2
公开(公告)日:2018-06-19
申请号:US15534184
申请日:2015-11-03
Applicant: LG INNOTEK CO., LTD.
Inventor: Yu Seon Kim , Jung Kwon Park , Kyong Ho Choi
CPC classification number: H04B1/48 , H04B1/0458 , H04B1/18 , H04B2001/485
Abstract: An RF module comprises: a first front end module (FEM) which allows a signal of a first bandwidth to pass and blocks a signal of a second bandwidth according to a first time constant which is determined by a plurality of devices provided in the inside thereof and a second FEM which blocks the signal of the first bandwidth and allows the signal of the second bandwidth to pass according to a second time constant which is determined by the plurality of devices provided in the inside thereof.
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公开(公告)号:US12249451B2
公开(公告)日:2025-03-11
申请号:US17616240
申请日:2020-05-22
Applicant: LG INNOTEK CO., LTD.
Inventor: Taek Hoon Nam , Yu Seon Kim , Seok Bae
Abstract: An inductor according to one embodiment of the present invention comprises: a core part; a coil part having one or more coils which are wound around the midfoot of the core part and which have two ends; and a base which is arranged beneath the coil part and which supports at least a part of the outer circumferential surface of each of the one or more coils, wherein the base can comprise: a frame having a hollow hole, which is formed at the center thereof so as to include a longer shaft and a shorter shaft; and a support part having a plurality of support members protruding toward the outer circumferential surface, so as to encompass at least a part of the outer circumferential surface.
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公开(公告)号:US12131858B2
公开(公告)日:2024-10-29
申请号:US17310383
申请日:2020-01-30
Inventor: Taek Hoon Nam , Seok Yoon , Yu Seon Kim , Seok Bae , Yeong Seog Lim
CPC classification number: H01F27/24 , H01F27/325
Abstract: The present invention relates to a transformer and, more specifically, to a transformer including a secondary coil portion on which a conductive plate is stacked. A transformer according to one embodiment of the present invention can comprise: a bobbin; a core portion coupled to the bobbin along the outer side of the bobbin; and a plurality of conductive plates inserted into the bobbin and stacked in a thickness direction.
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