Patent ID: 8368255

Claim:
A voice coil motor comprising: a bobbin provided with a coil at an outer surface thereof; at least one permanent magnet facing the coil provided at the bobbin; a cylindrical yoke surrounding the bobbin and the permanent magnet and including a metal for shielding a magnetic field generated by the coil; a base coupled to the yoke; and an elastic member including a first elastic member interposed between the yoke and the permanent magnet for elastically supporting the bobbin and a second elastic member interposed between the base and the permanent magnet, wherein the voice coil motor further includes a first spacer interposed between the yoke and the permanent magnet, and a second spacer interposed between the permanent magnet and the base, and wherein the first spacer includes a first frame unit interposed between the yoke and the permanent magnet and a first support pillar extended from the first frame unit to the base, and the second spacer may include a second frame unit interposed between the base and the permanent magnet and a second support pillar extended from the second frame unit to the first support pillar.