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公开(公告)号：US20210249166A1
公开(公告)日：2021-08-12
申请号：US17056555
申请日：2019-05-14
Applicant: LG INNOTEK CO., LTD.
Inventor： In Seong SOHN , Seok BAE , Dong Hyeok CHOI
Abstract: A magnetic sheet according to an embodiment of the present invention comprises: a first soft magnetic layer including a first surface and a second surface opposite to the first surface; a first resin layer disposed on the first surface of the first soft magnetic layer and having a first viscosity; a second soft magnetic layer disposed on the first resin layer; and a second resin layer disposed between the first soft magnetic layer and the first resin layer and having a second viscosity different from the first viscosity, wherein the second resin layer comprises a plurality of magnetic particles, the first soft magnetic layer includes a plurality of crack areas propagated from the first surface toward the second surface, and a part of the second resin layer is disposed in the plurality of crack areas.
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公开(公告)号：US20240331903A1
公开(公告)日：2024-10-03
申请号：US18573659
申请日：2022-06-29
Applicant: LG INNOTEK CO., LTD.
Inventor： In Seong SOHN , Yu Seon KIM , Seok BAE
Abstract: The present invention relates to a magnetic component. The magnetic component comprises: a core including a first flat plate portion, a second flat plate portion, and a pair of outer legs and a center leg disposed between the first flat plate portion and the second flat plate portion; and a coil part at least partially disposed within the core, wherein the first flat plate portion or the second flat plate portion comprises a laminate core in which a plurality of sheets elongated in a first direction are laminated together in a second direction, and each of the outer legs or the center leg comprises a non-laminate core vertically protruding from and attached to one surface of the laminate core.
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公开(公告)号：US20240296982A1
公开(公告)日：2024-09-05
申请号：US18570747
申请日：2022-06-17
Applicant: LG INNOTEK CO., LTD. , AMOGREENTECH CO., LTD.
Inventor： Jung Eun LEE , In Seong SOHN , Young Hwan JUNG , Sang II KIL , Ki Young KIM
Abstract: The present invention relates to a bobbin that can be used for a slim magnetic component. A bobbin for a magnetic part, according to one embodiment of the present invention, comprises: a first bobbin which has a space for accommodating a magnetic core therein, and which includes a pair of isolation protrusions disposed to be opposite to each other, so as to separate a first region and a second region; and a second bobbin including a coil-loading groove in which a first coil and a second coil are loaded while wound around the first bobbin, and terminals formed on the outside of the coil-loading groove in respective quadrant regions with respect to the coil-loading groove.
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公开(公告)号：US20210044019A1
公开(公告)日：2021-02-11
申请号：US16963961
申请日：2019-01-29
Applicant: LG INNOTEK CO., LTD.
Inventor： In Seong SOHN , Dong Hyeok CHOI
Abstract: An antenna module according to one embodiment of the present invention, comprises: a coil layer including a wound first coil; a shield layer disposed on the coil layer and including a plurality of sequentially stacked magnetic sheets; and a protection layer disposed on the shield layer, wherein the thickness of an edge of the shield layer is greater than the thickness of the center of the shield layer, and the total separation distance between the plurality of magnetic sheets at the edge of the shield layer is greater than the total separation distance between the plurality of magnetic sheets at the center of the shield layer.
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公开(公告)号：US20250054673A1
公开(公告)日：2025-02-13
申请号：US18722372
申请日：2022-11-25
Applicant: LG INNOTEK CO., LTD.
Inventor： In Seong SOHN , Ji Chang RYU , Seok BAE
Abstract: Disclosed is an inductor including a core unit including an inner leg and an outer leg and a coil unit including a coil disposed spirally around the inner leg and a coil substrate on which the coil is disposed, wherein the coil has a width gradually increasing from the inner leg to the outer leg in a horizontal direction between the inner leg and the outer leg.
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Patent Agency Ranking
公开(公告)号：US20240290534A1
公开(公告)日：2024-08-29
申请号：US18573714
申请日：2022-06-29
Applicant: LG INNOTEK CO., LTD.
Inventor： Jae Han SUH , In Seong SOHN , Seok BAE
CPC classification number: H01F27/2823 , H01F27/24 , H01F27/2804
Abstract: The present invention relates to a magnetic component. The magnetic component includes, for example, an inductor, a transformer, and the like, but is not limited thereto. The magnetic component according to an embodiment of the present invention includes: a magnetic core; a second substrate disposed on one side of the core; a first substrate disposed facing the second substrate with the core interposed therebetween; and a coil including a plurality of coil patterns attached to the second substrate and the first substrate and a plurality of conductors that pass through the core and electrically connect the coil patterns of the second substrate and the first substrate.
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公开(公告)号：US20230395304A1
公开(公告)日：2023-12-07
申请号：US18033014
申请日：2021-10-21
Applicant: LG INNOTEK CO., LTD.
Inventor： Seok BAE , Sun Young YU , Jung Eun LEE , In Seong SOHN
CPC classification number: H01F27/2823 , H01F27/26 , H01F27/325 , H01F27/29
Abstract: A magnetic element according to an embodiment of the present invention a first core, a second core, a bobbin including a through-hole, the bobbin being at least partially disposed between the first core and the second core, a first coil unit and a second coil unit at least partially disposed on the bobbin, wherein at least one of the first coil unit or the second coil unit includes a plurality of conductive wires disposed around the through-hole, wherein the bobbin includes a first portion formed to allow the first end portion and the second end portion of each of the plurality of conductive wires to be disposed thereon and a second portion formed opposite the first portion in a horizontal direction, with the through-hole interposed therebetween, and wherein portions of the plurality of conductive wires overlap each other vertically on the second portion.
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公开(公告)号：US20240087800A1
公开(公告)日：2024-03-14
申请号：US18262573
申请日：2022-01-20
Applicant: LG INNOTEK CO., LTD.
Inventor： Sun Young YU , Seok BAE , In Seong SOHN
CPC classification number: H01F27/306 , H01F27/263 , H01F27/266 , H01F27/292 , H01F27/325 , H01F2027/297 , H05K1/181
Abstract: A transformer, according to one embodiment, includes a core unit, a first coil unit and a second coil unit, and a terminal bobbin coupled to one side of the second coil unit in a first direction, wherein the first coil unit includes a first coil and a first bobbin, wherein the second coil unit includes a second coil and a second bobbin, wherein the terminal bobbin includes a plurality of first terminals disposed on one side of the terminal bobbin that is oriented in the first direction, and an opening formed in another side opposite the one side in the first direction to allow one side of the second coil unit to be inserted thereinto, and wherein two end portions of the first coil are led out from the first bobbin and are respectively connected to different first terminals among the plurality of first terminals of the terminal bobbin.
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公开(公告)号：US20230282410A1
公开(公告)日：2023-09-07
申请号：US18009036
申请日：2021-07-15
Applicant: LG INNOTEK CO., LTD.
Inventor： In Seong SOHN , Seok BAE , Taek Hoon NAM , Jung Eun LEE
CPC classification number: H01F27/306 , H01F27/325 , H01F27/02
Abstract: A transformer according to one embodiment of the present invention comprises: a core unit including an upper core and a lower core; a coil unit of which a portion is disposed in the core unit; and a bobbin unit disposed between the core unit and the coil unit, wherein the coil unit includes a first coil and a second coil of which at least a portion is disposed on the side surface of the first coil, the core unit includes a first outer foot part, a second outer foot part, and an intermediate foot part disposed between the first outer foot part and the second outer foot part, and the shortest distance between the first coil and the second coil can be 0.1 to 0.3 times the shortest distance between the outermost part of the first coil and an adjacent outer foot part from among the first outer foot part and the second outer foot part.
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公开(公告)号：US20210104352A1
公开(公告)日：2021-04-08
申请号：US17017978
申请日：2020-09-11
Applicant: LG INNOTEK CO, LTD.
Inventor： Jung Hwan CHOI , In Seong SOHN , So Yeon Kim
IPC: H01F27/28 , H01F27/255 , H01F27/32
Abstract: A magnetic coupling device is disclosed. The magnetic coupling device includes a core portion including an upper core and a lower core spaced apart from each other in a first direction, a primary coil and a secondary coil disposed between the upper core and the lower core in the state of being spaced apart from each other in the first direction, and a core connector electrically connected to the upper core and the lower core. A discharge phenomenon of a slim magnetic coupling device is prevented by the provision of the core connector.
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