公开(公告)号：US20230114245A1

公开(公告)日：2023-04-13

申请号：US17906161

申请日：2021-03-12

Applicant: LG INNOTEK CO., LTD.

Inventor： Sang Kyu LEE ,  Hyung Kyu YOON ,  Seung Jin LEE

IPC: G03B5/04 ,  H02K3/26 ,  H02K41/035

Abstract: A coil substrate according to an embodiment includes an insulating layer; a first coil pattern portion disposed on one surface of the insulating layer; a second coil pattern portion disposed on the other surface of the insulating layer; and a pad portion disposed on the one surface of the insulating layer and connected to the first coil pattern portion, wherein the first coil pattern portion includes: an inner coil pattern portion; and an outer coil pattern portion spaced apart from the inner coil pattern portion at a predetermined interval and disposed outside the inner coil pattern portion, wherein the pad portion is disposed between the inner coil pattern portion and the outer coil pattern portion.

公开(公告)号：US20240079174A1

公开(公告)日：2024-03-07

申请号：US18260083

申请日：2022-01-11

Applicant: LG INNOTEK CO., LTD.

Inventor： Sang Kyu LEE ,  Sung Yong PARK ,  Seung Jin LEE

IPC: H01F27/02 ,  H01F5/00 ,  H01F27/28 ,  H04N23/54

CPC classification number: H01F27/022 ,  H01F5/003 ,  H01F27/2804 ,  H04N23/54 ,  H01F2027/2809

Abstract: A coil member according to an embodiment comprises: a substrate comprising a first surface and a second surface opposite to the first surface, and comprising a hole; a circuit pattern that is disposed on at least one of the first surface and the second surface and comprises a wiring pattern, a plating pattern, and a dummy pattern; and a protective layer that is disposed on the substrate and surrounds the circuit pattern, wherein the protective layer comprises a first protective layer disposed on the first surface and a second protective layer disposed on the second surface, the substrate comprises a first edge disposed on the outer edge of the substrate and a second edge surrounding the hole, and the substrate comprises a 1-1 region adjacent to the first edge, and a 1-2 region, wherein the 1-1 region is disposed between the first edge and the 1-2 region, a 1-1 protective layer is disposed on a first surface of the 1-1 region, a 1-2 protective layer is disposed on a first surface of the 1-2 region, and the thickness deviation of the 1-1 protective layer is 0.1 μm or less.

公开(公告)号：US20230408839A1

公开(公告)日：2023-12-21

申请号：US18037625

申请日：2021-11-17

Applicant: LG INNOTEK CO., LTD.

Inventor： Sang Kyu LEE ,  Jung Hun OH ,  Chae Hwan YIM

IPC: G02B27/64 ,  G03B5/00 ,  H01F17/00

CPC classification number: G02B27/646 ,  G03B5/00 ,  H01F17/0006 ,  G03B2205/0007 ,  G03B2205/0069

Abstract: A coil member, according to an embodiment, comprises: a substrate comprising a first surface and a second surface that is opposite to the first surface; a wiring pattern disposed on the substrate; and a metal coating pattern which is connected to the wiring pattern, the metal coating pattern being thinner than the wiring pattern.