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Title:
CAMERA ACTUATOR AND CAMERA DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2022/235109
Kind Code:
A1
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 an optical axis direction on the basis of the housing; and a driving unit which moves the first lens assembly and the second lens assembly, wherein the driving unit comprises: a driving coil; and a driving magnet facing the driving coil. The driving coil comprises: a first sub-coil; a second sub-coil; and a third sub-coil arranged between the first sub-coil and the second sub-coil, wherein the first sub-coil, the third sub-coil, and the second sub-coil are sequentially arranged along the optical axis, and the length of the third sub-coil in the optical axis direction is different from the length of at least one of the first sub-coil and the second sub-coil in the optical axis direction.

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Inventors:
MIN SANG JUN (KR)
JUNG TAE JIN (KR)
Application Number:
PCT/KR2022/006485
Publication Date:
November 10, 2022
Filing Date:
May 06, 2022
Export Citation:
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Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
G03B13/36; G03B3/00; G03B5/00; H04N5/225
Domestic Patent References:
WO2020135466A12020-07-02
Foreign References:
KR20200043056A2020-04-27
KR20210014875A2021-02-10
KR20180098463A2018-09-04
CN112004013A2020-11-27
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
Download PDF:
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