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

IPC: H01F27/30 ,  H01F27/26 ,  H01F27/29 ,  H01F27/32

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.

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：US20240177916A1

公开(公告)日：2024-05-30

申请号：US18551207

申请日：2022-03-18

Applicant: LG INNOTEK CO., LTD.

Inventor： Young Hwan JUNG ,  Yu Seon KIM ,  Seok BAE ,  Sun Young YU

IPC: H01F27/26 ,  H01F27/08 ,  H01F27/28

CPC classification number: H01F27/26 ,  H01F27/08 ,  H01F27/28

Abstract: The present invention relates to a transformer and a circuit board comprising same. One embodiment of the transformer according to the present invention comprises: a core part comprising a core lower portion and a core upper portion disposed on the core lower portion; and a coil part which comprises a first coil and a second coil and of which at least a portion is disposed in the core part, wherein the core lower portion has a closed region which overlaps the core upper portion in a first direction from the core lower portion toward the core upper portion, and an open region which extends from the closed region in a second direction perpendicular to the first direction and which is exposed to the outside of the closed area.