| 摘要 |
PROBLEM TO BE SOLVED: To provide a lens driving device using a VCM in which even if dusts are generated when a lens barrel is screwed to a bobbin, the dusts are prevented from entering the inside of the device.SOLUTION: A lens driving device 20 includes: a lens barrel 60; a substantially cylindrical bobbin 50 for fixing the lens barrel; a coil 26 provided on the outer peripheral part of the bobbin; and permanent magnets 21a, 21b provided in the vicinity of the coil. The lens barrel has a thread ridge 61 on the outer peripheral part. The bobbin has a thread groove 51 to be screwed with the thread ridge on the inner peripheral part. A dust accumulation part 53 is formed at the screw end of the bobbin formed with the thread groove. |
