公开(公告)号：US11569577B2

公开(公告)日：2023-01-31

申请号：US16963961

申请日：2019-01-29

Applicant: LG INNOTEK CO., LTD.

Inventor： In Seong Sohn ,  Dong Hyeok Choi

IPC: H02J50/70 ,  H01Q7/04 ,  H01F27/25 ,  H01Q1/22 ,  H01Q1/38 ,  H01Q7/08 ,  H01F27/36 ,  H01F38/14

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.

公开(公告)号：US20230076761A1

公开(公告)日：2023-03-09

申请号：US17759898

申请日：2021-01-29

Applicant: LG INNOTEK CO., LTD.

Inventor： Yu Seon Kim ,  Seok Bae ,  In Seong Sohn

IPC: H01F27/30 ,  H01F27/22 ,  H01F27/28 ,  H01F27/26

Abstract: A transformer according to one embodiment comprises: a core portion having an upper core and a lower core; and a coil portion disposed in the core portion, wherein: the coil portion includes a first coil wound in a first direction, a second coil wound in a second direction opposite to the first direction, and a third coil including a flat panel shape; the lower core includes a body portion, a first leg portion and a second leg portion protruding from the body portion, and a spacing portion formed between the first leg portion and the second leg portion; the first leg portion includes two first outer legs and a first intermediate leg disposed between the two first outer legs; the second leg portion includes two second outer legs and a second intermediate leg disposed between the two second outer legs; the first coil can be disposed to surround the first intermediate leg; and the second coil can be disposed to surround the second intermediate leg.

公开(公告)号：US11452179B2

公开(公告)日：2022-09-20

申请号：US16475902

申请日：2018-01-05

Applicant: LG INNOTEK CO., LTD.

Inventor： Dong Hwa Lee ,  In Seong Sohn ,  In Jae Lee

IPC: H05B3/03 ,  H05B3/48 ,  H05B3/50 ,  B60H1/00 ,  B60H1/22 ,  H05B1/02 ,  H05B3/46 ,  H05B3/18

Abstract: An embodiment discloses a heating rod comprising: a ceramic substrate; and a heat-radiating element that is arranged in the ceramic substrate, wherein the ratio of the thickness of the ceramic substrate to the thickness of the heat-radiating element is between 1:2 and 1:50. The embodiment discloses a heater comprising: a case; a heat-radiating module that is arranged inside the case; and a power module that is electrically connected to the heat-radiating module, wherein the power module includes a substrate part, a heat sink that is connected to the substrate part, and a ventilation part through which a fluid flows in and out to/from the heat sink.

公开(公告)号：US12300418B2

公开(公告)日：2025-05-13

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: H01F5/00 ,  H01F27/255 ,  H01F27/28 ,  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.

公开(公告)号：US11694829B2

公开(公告)日：2023-07-04

申请号：US17056555

申请日：2019-05-14

Applicant: LG INNOTEK CO., LTD.

Inventor： In Seong Sohn ,  Seok Bae ,  Dong Hyeok Choi

IPC: H01F1/147 ,  H02J50/10

CPC classification number: H01F1/14783 ,  H02J50/10

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.