LENS DRIVING DEVICE, CAMERA MODULE, AND OPTICAL APPARATUS

    公开(公告)号:US20250158501A1

    公开(公告)日:2025-05-15

    申请号:US19024260

    申请日:2025-01-16

    Abstract: The present embodiment relates to a lens driving device which includes: a substrate; a housing; a bobbin; a sensing coil; a first magnet; a second magnet; a third magnet; a dummy member; a first coil that includes a first coil unit and a second coil unit; and a first position sensor that is disposed on the substrate and corresponds to the sensing coil, wherein the first magnet and the second magnet are positioned on opposite sides from each other, the third magnet and the dummy member are positioned on opposite sides from each other, the sensing coil is provided with a driving signal, and the first position sensor senses the strength of the magnetic field of the sensing coil and outputs an output signal.

    SENSOR DRIVING DEVICE
    23.
    发明公开

    公开(公告)号:US20240040256A1

    公开(公告)日:2024-02-01

    申请号:US18256690

    申请日:2021-12-09

    CPC classification number: H04N23/687 G03B13/36 H04N23/54

    Abstract: A sensor driving device according to an embodiment includes a fixed part including a first substrate on which a first lead pattern part and a first pad are formed; a moving part spaced apart from the fixed part and including a sensor; and a wire part disposed between the moving part and the fixed part, wherein the wire part includes a first wire part of a shape memory alloy having both ends connected to the first pad and moving the moving part with respect to the fixed part; and a second wire part having one end connected to the first lead pattern part and the other end connected to the moving part to elastically support the moving part.

    CAMERA MODULE AND OPTICAL DEVICE
    25.
    发明公开

    公开(公告)号:US20230336856A1

    公开(公告)日:2023-10-19

    申请号:US18013242

    申请日:2021-08-05

    CPC classification number: H04N23/54 H04N23/55 H04N23/687

    Abstract: One embodiment comprises: a fixed unit comprising first to fourth magnets; and a movable unit disposed so as to be spaced apart from the fixed unit. The movable unit comprises: a coil comprising first to fourth coil units facing the first to fourth magnets; a position sensor comprising a first sensor for outputting a first output by detecting a magnetic field of the first magnet, a second sensor for outputting a second output by detecting a magnetic field of the second magnet, and a third sensor for outputting a third output by detecting a magnetic field of the third magnet; a first control unit for receiving the first and second outputs and driving the first and third coil units; and a second control unit for receiving the second output and driving the second and fourth coil units, wherein the movable unit moves in a direction perpendicular to an optical axis or rotates about the optical axis, by means of an interaction between the first to fourth magnets and the first to fourth coil units.

    LENS DRIVING APPARATUS, AND CAMERA MODULE AND OPTICAL DEVICE COMPRISING SAME

    公开(公告)号:US20210116674A1

    公开(公告)日:2021-04-22

    申请号:US17135695

    申请日:2020-12-28

    Abstract: A lens moving apparatus includes a housing, a bobbin disposed in the housing, a first coil disposed on the bobbin, a magnet configured to move the bobbin in a first direction parallel to an optical axis by an electromagnetic interaction with the first coil, an elastic member coupled to the bobbin, and a second coil disposed on the housing. A first portion of the second coil is coupled to the housing. The second coil generates an induction voltage resulting from an inductive interaction with the first coil when the bobbin moves in the first direction.

    LENS DRIVING UNIT, CAMERA MODULE, AND OPTICAL INSTRUMENT

    公开(公告)号:US20200154012A1

    公开(公告)日:2020-05-14

    申请号:US16743840

    申请日:2020-01-15

    Abstract: The present embodiment relates to a lens driving device comprising: a housing; a bobbin disposed inside the housing; a magnet disposed in the housing; a first coil which is disposed in the bobbin, and is opposite to the magnet; a base disposed on the lower side of the housing; a substrate portion comprising a body portion, which is disposed on the upper surface of the base, and a terminal portion extending toward the lower side of the body portion; a terminal portion accommodating portion which is formed on a side surface of the base and accommodates at least a part of the terminal portion; and an adhesive accommodating groove which is formed in the terminal portion accommodating portion and accommodates at least a part of an adhesive contacting the terminal portion and the terminal portion accommodating portion.

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