Patent ID: 8638510

Claim:
A VCM (voice coil motor) comprising: a rotor including a lens-fixing hollow holed bobbin having a peripheral portion comprising a peripheral upper end and a peripheral bottom end facing the peripheral upper end, wherein the bobbin includes a coil discharge unit formed from the peripheral upper end of the peripheral portion to the peripheral bottom end of the peripheral portion; a coil block arranged at the peripheral portion of the bobbin and including a cylindrically wound coil; a stator including a magnet facing the coil block and a yoke fixing the magnet; a case including a bottom case arranged with the bobbin and an upper case coupled to the bottom case and having an opening at a portion corresponding to the bobbin; and an elastic member elastically supporting an upper end of the bobbin and a bottom end facing the upper end of the bobbin, wherein a distal end of the coil arranged at an upper end of the coil block employs the coil discharge unit to be discharged to the bottom end of the bobbin.