Patent ID: 8912690

Claim:
A voice coil motor, comprising: a base; a bobbin on the base; a coil block coupled to an outer circumference of the bobbin; a magnet facing the coil block; a yoke fixing the magnet; a lower elastic member coupled to a lower surface of the bobbin; and a housing including a top plate that covers the yoke and has an opening to expose the bobbin to an outside thereof, and a side plate that extends from the top plate of the housing towards the base, wherein the bobbin includes a plurality of anti-rotation portions protruding upwardly from an upper surface of the bobbin, wherein a pair of recess parts are disposed between each anti-rotation portion and an adjacent anti-rotation portion, and wherein guide recesses are formed in the housing at positions corresponding to the respective anti-rotation portions to inhibit rotation of the bobbin, with a predetermined gap being formed between each of the guide recesses and the corresponding anti-rotation portion.