公开(公告)号：US20250079058A1

公开(公告)日：2025-03-06

申请号：US18952237

申请日：2024-11-19

Applicant: LG INNOTEK CO., LTD.

Inventor： Byung Wook SON ,  Young Ho KIM ,  Hyun Joong LEE

IPC: H01F7/08 ,  G02B27/64 ,  G03B5/00 ,  G03B13/36 ,  H04N23/54 ,  H04N23/55 ,  H04N23/67 ,  H04N23/68

Abstract: A lens driving device includes a housing; a bobbin disposed in the housing; a coil disposed on the bobbin; and a first magnet disposed opposite to the coil in the housing. The first magnet includes an inner surface facing the coil, and an outer surface disposed at the opposite side to the inner surface. The first magnet includes a first region provided between the inner surface and the outer surface and having a first thickness, and a second region extending from the first region and having a second thickness which is smaller than the first thickness.

公开(公告)号：US20220165467A1

公开(公告)日：2022-05-26

申请号：US17430212

申请日：2020-03-11

Applicant: LG INNOTEK CO., LTD.

Inventor： Byung Wook SON ,  Young Ho KIM ,  Hyun Joong LEE

IPC: H01F7/08 ,  G02B27/64 ,  G03B13/36 ,  G03B5/00 ,  H04N5/225

Abstract: An embodiment of the present invention relates to a lens driving device comprising: a housing; a bobbin disposed in the housing; a coil disposed on the bobbin; and a first magnet disposed opposite to the coil in the housing, wherein: the first magnet comprises an inner surface facing the coil, and an outer surface disposed at the opposite side to the inner surface; and the first magnet comprises a first region provided between the inner surface and the outer surface and having a first thickness, and a second region extending from the first region and having a second thickness which is smaller than the first thickness.

公开(公告)号：US20250102882A1

公开(公告)日：2025-03-27

申请号：US18290848

申请日：2022-08-08

Applicant: LG INNOTEK CO., LTD.

Inventor： Jun Taek LEE ,  Young Ho KIM ,  Kyoung Ho YOO

IPC: G03B5/04 ,  G03B17/12

Abstract: An embodiment of the present invention provides a camera actuator comprising: a housing; a first lens assembly and a second lens assembly which are moved in the optical axis direction on the basis of the housing; a driver which moves the first lens assembly and the second lens assembly; and ball portions arranged between the first lens assembly and the housing and between the second lens assembly and the housing, wherein the driver comprises: a driving coil; and a driving magnet facing the driving coil, and the driving magnet comprises: an upper magnet; and a lower magnet arranged on the lower portion of the upper magnet. The driving coil comprises: an upper coil facing the upper magnet; and a lower coil facing the lower magnet, and the upper magnet and the lower magnet are arranged between the upper coil and the lower coil and are coupled to one of the first lens assembly and the second lens assembly.