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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：US20240321510A1
公开(公告)日：2024-09-26
申请号：US18572970
申请日：2022-06-29
Applicant: LG INNOTEK CO., LTD.
Inventor： Jung Eun LEE , Bi Yi KIM , Seok BAE
CPC classification number: H01F27/325 , H01F27/266 , H01F27/29 , H01F27/323
Abstract: A magnetic coupling device according to an embodiment of the present invention includes a first bobbin including an upper surface, a lower surface, and an outer surface, a groove portion which is disposed on the inner side of the outer surface and is concave from the upper surface toward the lower surface, and a first terminal portion and a second terminal portion which are disposed on the outer surface and spaced apart from each other; a second bobbin disposed on the groove portion and accommodating a magnetic substance core; and a first coil and a second coil which are wound on the second bobbin and spaced apart from each other, wherein the first coil includes a first winding portion and a first extension portion, and the second coil includes a second winding portion, and a second extension portion.
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公开(公告)号：US20230343505A1
公开(公告)日：2023-10-26
申请号：US18022327
申请日：2021-08-26
Applicant: LG INNOTEK CO., LTD.
Inventor： Yong Hwan KIM , Yu Seon KIM , Seok BAE
CPC classification number: H01F27/2804 , H01F17/0006 , H05K1/165 , H01F2017/0073
Abstract: The present invention relates to a magnetic coupling device that can become slim and a circuit board including same. A magnetic coupling device according to one embodiment of the present invention comprises: a core unit including an upper core and a lower core; and a coil unit of which a part is arranged in the core unit, and which includes a first coil unit and a second coil unit, wherein the first coil unit and the second coil unit have a substrate and conductive patterns arranged on both surfaces of the substrate, and the conductive patterns on both surfaces can be conducted through a plurality of via holes arranged in the extending direction of the conductive patterns.
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公开(公告)号：US20220392685A1
公开(公告)日：2022-12-08
申请号：US17624032
申请日：2020-07-02
Applicant: LG INNOTEK CO., LTD.
Inventor： Seok BAE , Jai Hoon YEOM , Jung Hwan CHOI
Abstract: An inductor according to an embodiment of the present invention may include: a plurality of first E-type cores, each of which has a base unit and a center leg extending in a first direction from the base unit; a first I-type core arranged in the first direction from the plurality of first E-type cores; and a coil wound around the center leg of each of the plurality of first E-type cores. Here, the plurality of E-type cores may be arranged in a line along the first direction.
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公开(公告)号：US20220028609A1
公开(公告)日：2022-01-27
申请号：US17297600
申请日：2019-11-27
Applicant: LG INNOTEK CO., LTD.
Inventor： Hyun Seok LIM , Goon Seung GONG , Hyun Min NAH , Dong Hwan KIM , Won Kyu PARK , Seok BAE
Abstract: An embodiment discloses a method of manufacturing a rare-earth magnet, the method including: preparing a magnetic sintered body including RE, Fe, and B as compositional components (RE is selected from one or two or more selected from rare earth elements); applying a solution containing a grain boundary diffusion material to the sintered body; and performing grain boundary diffusion by heat-treating the sintered body, wherein the grain boundary diffusion material includes a heavy rare earth element (HREE) hydride and a light rare earth element (LREE) hydride.
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Patent Agency Ranking
公开(公告)号：US20220028595A1
公开(公告)日：2022-01-27
申请号：US17291755
申请日：2019-11-15
Applicant: LG INNOTEK CO., LTD.
Inventor： Mi Jin LEE , In Ho JEON , Sang Won LEE , Seok BAE
IPC: H01F27/255 , H01F1/34
Abstract: The present invention relates to a magnetic core using a different type of magnetic material. The magnetic core according to one embodiment may comprise: a ferrite powder comprising manganese (Mn), zinc, iron, and oxygen (O); and a metal alloy powder made of at least two substances from among nickel (Ni), iron (Fe), aluminum (Al), molybdenum (Mo), and silicon (Si). Here, the magnetic core can comprise 67 to 72 wt % of the ferrite powder and 28 to 33 wt % of the metal alloy powder.
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公开(公告)号：US20210075258A1
公开(公告)日：2021-03-11
申请号：US16952935
申请日：2020-11-19
Applicant: LG INNOTEK CO., LTD.
Inventor： Jai Hoon YEOM , Sang Won LEE , Seok BAE , So Yeon KIM , Jin Mi NOH , Ji Yeon SONG , Hee Jung LEE
Abstract: Provided are a wireless charging and communication board, and a wireless charging and communication device, the wireless charging and communication board including: a soft magnetic layer; a polymeric material layer arranged on one surface and the other surface of the soft magnetic layer and extending longer than an exposed portion of the soft magnetic layer; and a coil pattern arranged on the polymeric material layer.
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公开(公告)号：US20220254560A1
公开(公告)日：2022-08-11
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：US20210035717A1
公开(公告)日：2021-02-04
申请号：US16965109
申请日：2019-01-28
Applicant: LG INNOTEK CO., LTD.
Inventor： Hyun Ji LEE , Jai Hoon YEOM , Sung Hoon KIM , Seok BAE , Sang Won LEE
Abstract: A ferrite core according to an embodiment of the present invention includes a plurality of grains including Mn at 30 to 40 mol %, Zn at 5 to 15 mol %, and Fe at 50 to 60 mol %, and a plurality of grain boundaries disposed between the plurality of grains, wherein the plurality of grains and the plurality of grain boundaries include Co, Ni, SiO2, CaO, and Ta2O5, content of the Co and the Ni in the plurality of grains is two or more times higher than content of the Co and the Ni in the plurality of grain boundaries, content of the SiO2, the CaO, and the Ta2O5 in the plurality of grain boundaries is two or more times higher than content of the SiO2, the CaO, and the Ta2O5 in the plurality of grains, a magnetic permeability is 3000 or more, and a core loss is 800 or less.
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公开(公告)号：US20200313480A1
公开(公告)日：2020-10-01
申请号：US16649912
申请日：2018-09-21
Applicant: LG INNOTEK CO., LTD.
Inventor： Hyo Yun JUNG , Dong Keun LEE , Ju Yeon WON , Seok BAE
Abstract: An embodiment provides a motor comprising: a stator including a through hole; a cylindrical rotor which is disposed in the through hole; a rotor center shaft which is formed in the central region of the rotor and to which a rotary shaft is coupled; and a first magnet and a second magnet which are disposed between the stator and the rotor, wherein: the rotor includes an outer contour portion and a patterned portion formed between the outer contour portion and the rotor center shaft; the patterned portion includes a plurality of unit patterns and a hollow portion formed in each of the unit patterns; the outer contour portion includes an outer circumferential surface on which the first magnet and the second magnet are disposed and an inner circumferential surface which comes in contact with the plurality of unit patterns; the inner circumferential surface of the outer contour portion further includes a first protrusion portion protruding in a first direction toward the rotor center shaft; and in the first direction, the maximum length of the first protrusion portion is greater than the maximum length of each of the unit patterns.
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