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

IPC: H01F27/30 ,  H01F27/32 ,  H01F27/02

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.

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

IPC: H01F27/28 ,  H01F27/26 ,  H01F27/32 ,  H01F27/29

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.

公开(公告)号：US20200028391A1

公开(公告)日：2020-01-23

申请号：US16492985

申请日：2018-04-11

Applicant: LG INNOTEK CO., LTD.

Inventor： Jong Soo HAN ,  Seok BAE ,  Young Jae LEE ,  Dong Hyeok CHOI ,  Jung Eun LEE

IPC: H02K1/27 ,  H01F41/02 ,  H01F1/055

Abstract: A permanent magnet of an embodiment comprises: a base magnet represented by a-b-c (a includes a rare earth-based element, b includes a transition element, and c includes boron (B)); and a coating layer coated on a surface of the base magnet, wherein the coating layer comprises a compound containing a metal having magnetism, the compound including: a phosphor (P); and a metal belonging to the fourth period in the periodic table.

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

IPC: H01F27/32 ,  H01F27/26 ,  H01F27/29

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.

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

IPC: H01F5/06 ,  H01F5/04

CPC classification number: H01F5/06 ,  H01F5/04

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.