| 摘要 |
PURPOSE: A lens actuator for an image pickup device is provided to suppress a change of a location or modification in each member in an assembling and driving process by blocking an inflow of foreign materials. CONSTITUTION: An actuator(100) for image pickup device comprises a lens part(110), a driving part(140), and a casing part. The lens part includes a lens barrel(120) for receiving lenses and a carrier(130) coupled with an outer circumference of the lens barrel and is moved in an optical axis direction. The driving part includes a magnet(142) arranged along an outer circumference of the carrier, a first yoke(144) arranged along the outer circumference of the carrier in a lower portion of the magnet, a second yoke(146) arranged apart from the first yoke, and a coil(148) arranged between the first and second yokes. The driving part moves the lens part along the optical axis direction. The casing part is coupled to surround the lens part and the driving part.
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