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.

公开(公告)号：US20230253138A1

公开(公告)日：2023-08-10

申请号：US18013103

申请日：2021-08-20

Applicant: LG INNOTEK CO., LTD.

Inventor： Bi Yi KIM ,  Yu Seon KIM ,  Seok BAE

IPC: H01F17/00 ,  H01F27/28 ,  H01F27/24

CPC classification number: H01F17/0013 ,  H01F27/2804 ,  H01F27/24 ,  H01F2017/0073 ,  H01F2017/002 ,  H01F2027/065

Abstract: An inductor according to an embodiment includes a core unit and a coil unit wherein a first coil unit includes a first upper conductive pattern and a first lower conductive pattern, wherein the second coil unit includes a second upper conductive pattern and a second lower conductive pattern, wherein the coil unit includes a center portion, a first pattern lead-out portion, and a second pattern lead-out portion, and wherein, in the second pattern lead-out portion, the second upper conductive pattern and the second lower conductive pattern overlap each other in a vertical direction such that at least a portion of the second upper conductive pattern and at least a portion of the second lower conductive pattern intersect each other when viewed in a plan view.

公开(公告)号：US20200234866A1

公开(公告)日：2020-07-23

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

IPC: H01F17/06 ,  H03H7/01 ,  H01F1/34 ,  H01F1/147

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.