Lens moving device
The lens moving device accurately detects the displacement of the moving unit by preventing unwanted magnetic interference, thus solving the sensing accuracy problem of sensor devices in miniature camera modules, simplifying the structure of optical image stabilizers, and achieving miniaturization.
CN115903336BActive Publication Date: 2026-07-03LG INNOTEK CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- LG INNOTEK CO LTD
- Filing Date
- 2015-10-19
- Publication Date
- 2026-07-03
Smart Images
Figure CN115903336B_ABST
Abstract
A lens moving device includes a bobbin including a first coil, a first magnet facing the first coil, a housing supporting the first magnet, an upper elastic member and a lower elastic member coupled to the bobbin and the housing, a base spaced apart from the housing, a second coil unit facing the first magnet and including a second coil, a circuit board on which the second coil unit is mounted, a plurality of supports supporting the housing so that the housing is movable in a second direction and / or a third direction, and connecting at least one of the upper and lower elastic members to the circuit board, and a second sensor detecting displacement of the housing in the second direction and / or the third direction, wherein a center of the second sensor is disposed not to overlap the second coil.
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