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US 9,854,144 B2Granted
Lens moving apparatus
AssigneeLG Innotek Co., Ltd.
InventorsSang Ok Park, Seong Min Lee, Jun Taek Lee, Byung Wook Son
Life of this patent
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Abstract
Embodiments provide a lens moving apparatus including a first magnet, a housing, a bobbin, around which a coil is wound and which moves in a first direction in the housing, an upper elastic member disposed on upper surfaces of the bobbin and the housing, a lower elastic member disposed under lower surfaces of the bobbin and the housing, and a damping member disposed between the upper or lower elastic member and the bobbin.
Claims17
A lens moving apparatus comprising:
- a housing;
- a bobbin configured to move in a first direction in the housing;
- a coil wound on the bobbin;
- a first magnet facing the coil;
- an upper elastic member coupled to an upper surface of the bobbin;
- a lower elastic member coupled to a lower surface of the bobbin;
- a printed circuit board provided at the housing;
- a second magnet coupled to the bobbin;
- a position sensor disposed at a position corresponding to the second magnet and coupled to the printed circuit board;
- and
- a damping member disposed between the upper or lower elastic member and the bobbin,
- wherein the damping member is attached between the upper or lower elastic member and the bobbin in a gel state;
- and wherein the bobbin comprises a boss formed on an upper or lower surface thereof, and a portion of the upper or lower elastic member surrounds at least a portion of the boss, wherein the damping member is coupled to the upper or lower elastic member at a region at which the upper or lower elastic member surrounds at least a portion of the boss;
- and wherein the upper or lower elastic member comprises an inner frame, an outer frame and a connector connecting the inner frame and the outer frame, wherein the damping member is coupled to the connector and the boss.
11 more elements
A lens moving apparatus comprising:
- a housing;
- a bobbin configured to move in a first direction in the housing;
- a coil wound on the bobbin;
- a first magnet facing the coil;
- an upper elastic member disposed on upper surfaces of the bobbin and the housing;
- a lower elastic member disposed under lower surfaces of the bobbin and the housing;
- a damping member disposed between the upper or lower elastic member and the bobbin in a gel state;
- and
- a displacement detection unit for detecting a displacement in which the bobbin moves in the first direction,
- wherein the displacement detection unit comprises:
- a second magnet coupled to the bobbin;
- and
- a position sensor disposed at a position corresponding to the second magnet;
- and wherein the bobbin comprises a boss formed on an upper or lower surface thereof, and a portion of the upper or lower elastic member surrounds at least a portion of the boss, wherein the damping member is coupled to the upper or lower elastic member at a region at which the upper or lower elastic member surrounds at least a portion of the boss;
- and wherein the upper or lower elastic member comprises an inner frame, an outer frame and a connector connecting the inner frame and the outer frame, wherein the damping member is coupled to the connector and the boss.
12 more elements
Dependencies are inferred from the claim text.