Lens driving device and camera module comprising same

    公开(公告)号:US12235470B2

    公开(公告)日:2025-02-25

    申请号:US17523564

    申请日:2021-11-10

    Abstract: A lens driving device according to an embodiment comprises: a bobbin wherein at least one lens is installed inside thereof and a first coil is installed on the outer circumferential surface thereof; a first magnet arranged around the bobbin so as to be opposite to the first coil; a housing for supporting the first magnet; upper and lower elastic members coupled with the bobbin and the housing; a first sensor for sensing displacement of the bobbin in the first direction; a second magnet arranged so as to be opposite to the first sensor; a base arranged to be spaced apart from the housing by a certain distance; a second coil arranged so as to be opposite to the first magnet; a circuit board whereon the second coil is installed; a plurality of support members for supporting the housing so as to be movable in the second and third directions which are orthogonal to the first direction with respect to the base and for connecting at least one of the upper and lower elastic members to the circuit board; and a second sensor for sensing displacement of the housing in the second or third direction with respect to the base.

    Lens moving apparatus
    2.
    发明授权

    公开(公告)号:US12174397B2

    公开(公告)日:2024-12-24

    申请号:US17932161

    申请日:2022-09-14

    Abstract: A lens moving apparatus includes a housing for supporting a first magnet, a bobbin, which includes a first coil provided on an outer surface thereof and which moves in a first direction, a support member, which is disposed over one side surface of the housing, and which supports the bobbin and the housing such that the bobbin and the housing are movable in second and/or third directions, which are perpendicular to the first direction, a second coil, which is disposed over the housing, and which is spaced apart from the support member by a predetermined distance and which generates an electromagnetic force to move the support member in the second and/or third directions, and a printed circuit board disposed over the second coil.

    Lens driving device, camera module, and optical apparatus

    公开(公告)号:US11307486B2

    公开(公告)日:2022-04-19

    申请号:US16765086

    申请日:2018-11-22

    Abstract: The present embodiment relates to a lens driving device, a camera module and an optical device. The lens driving device comprising: a cover; a housing arranged inside the cover; a bobbin arranged inside the housing; a magnet arranged in the housing; a first coil arranged in the bobbin and facing the magnet; a first substrate arranged below the housing and including a second coil facing the magnet; a second substrate arranged below the first substrate; and a base arranged below the second substrate, wherein the base includes a body and a protrusion upwardly protruding from the body, the outer side of the second substrate is arranged to face the inner side of the protrusion, and the upper surface of the protrusion is in a location which is the same as or lower than that of the upper surface of the first substrate.

    Camera module having extended support members for reduced power consumption

    公开(公告)号:US11223752B2

    公开(公告)日:2022-01-11

    申请号:US16499696

    申请日:2018-04-04

    Abstract: An embodiment comprises a housing, a bobbin disposed inside the housing, a first coil disposed on the bobbin, a first magnet disposed in the housing, an upper elastic member coupled to the bobbin and the housing, a circuit substrate disposed under the housing, a base which is disposed under the circuit substrate and includes a first hole, a conductive pattern disposed on the base and electrically connected to the circuit substrate, and a support member having one end coupled to the upper elastic member and the other end coupled to the conductive pattern, wherein the other end of the support member is coupled to the base through the first hole in the base.

    LENS MOVING APPARATUS, AND CAMERA MODULE AND PORTABLE DEVICE INCLUDING THE SAME

    公开(公告)号:US20210341706A1

    公开(公告)日:2021-11-04

    申请号:US17376945

    申请日:2021-07-15

    Abstract: A lens moving apparatus is disclosed. The lens moving apparatus includes a cover member, a housing disposed in the cover member, a bobbin disposed in the housing, the bobbin being provided in an inner circumferential surface thereof with a screw thread, the bobbin being configured to move in a first direction, which is parallel to an optical-axis direction, a first coil provided on an outer circumferential surface of the bobbin, a first magnet coupled to the housing so as to be opposite the first coil, an upper elastic member provided at an upper surface of the bobbin, the upper elastic member being coupled to the bobbin and the housing, a lower elastic member provided at a lower surface of the bobbin, the lower elastic member being coupled to the bobbin and the housing, a circuit member comprising a second coil disposed under the housing so as to be opposite the first magnet, a circuit board disposed at a lower side of the circuit member, the circuit board being connected to the circuit member, a plurality of support members connected to the upper elastic member, and a base disposed under the circuit board, the base being coupled to the cover member.

    Voice coil motor
    8.
    发明授权

    公开(公告)号:US10587179B2

    公开(公告)日:2020-03-10

    申请号:US16269782

    申请日:2019-02-07

    Inventor: Tae Jin Jung

    Abstract: The VCM according to an exemplary embodiment of the present disclosure includes a base unit, a mover including a bobbin arranged at an upper surface of the base unit and formed with a plurality of rotation prevention units along a periphery and a first driving unit arranged at a periphery of the bobbin, a stator including a yoke configured to the base unit to surround the mover and inner yoke units each extended to between the rotation prevention units, and a second driving unit oppositely arranged to the first driving unit, and an elastic member elastically supporting the mover, wherein an object occurrence preventing portion is formed between the rotation prevention unit and the inner yoke units to decrease a contact area between the rotation prevention unit and the inner yoke units.

    Lens driving apparatus, camera module, and optical apparatus

    公开(公告)号:US10551588B2

    公开(公告)日:2020-02-04

    申请号:US15748116

    申请日:2016-07-22

    Abstract: The present invention relates to a lens driving apparatus, comprising: a cover member which comprises an upper plate and a side plate extending downwardly from the upper plate; a housing which is located in an inner space formed by the upper plate and the side plate; a base which is positioned below the housing; a first driving unit which is positioned in the housing; a second driving unit which is located in the base and has an electromagnetic interaction with the first driving unit; and a side support member which elastically supports the housing with respect to the base, wherein the cover member comprises a first round portion formed to be rounded in at least a part of portion at which the upper plate and the side plate meet, and the housing comprises a second round portion which is formed in a part of the housing corresponding to the first round portion and has a curvature radius which is smaller than or equal to a curvature radius of the first round portion.

    Lens moving apparatus
    10.
    发明授权

    公开(公告)号:US10338404B2

    公开(公告)日:2019-07-02

    申请号:US15960156

    申请日:2018-04-23

    Abstract: An embodiment includes a bobbin provided at an outer circumferential surface thereof with a first coil, a first position sensor disposed on the outer circumferential surface of the bobbin and spaced apart from the first coil, a first magnet disposed so as to be opposite to the first position sensor, a second magnet disposed so as to be opposite to the first coil, the second magnet being configured to move the bobbin in a direction parallel to an optical axis via electromagnetic interaction with the first coil, a housing configured to support the first magnet and the second magnet; and upper and lower elastic members coupled to the bobbin and the housing, wherein the first position sensor is moved along with the bobbin.

Patent Agency Ranking