Patent ID: 7936526

Claim:
A lens driving apparatus comprising: a base formed at a center thereof with a first opening; a housing coupled with the base and having a second opening corresponding to the first opening; a yoke installed on the base and having a third opening corresponding to the first opening; a bobbin movably disposed in the yoke and coupled with a lens module; a coil fixedly disposed around the bobbin; a plurality of magnets provided at the yoke to face the coil; and a spring installed on at least one of upper and lower portions of the yoke to return the bobbin, which has moved up due to interaction between the magnet and the coil, to its initial position, wherein, in an outer peripheral surface of the coil, an area facing the magnet is smaller than an area that does not face the magnet, wherein, in the outer peripheral surface of the coil, the area facing the magnet is greater than 20% and smaller than 50%.