Patent ID: 9720251
Date: 2017-08-01
CPC Classifications: G02B

Claim:
1. A lens moving device comprising: a bobbin comprising a first groove formed on an outer surface thereof; a holder member disposed outside the bobbin and comprising a second groove formed on a portion thereof; a base disposed below the holder member; a first coil coupled to the bobbin; a driving magnet coupled to the holder member and facing the first coil; a second coil disposed on the base and facing the driving magnet such that the second coil moves the driving magnet through an electromagnetic interaction with the driving magnet; an elastic member coupled with the bobbin and the holder member; a sensing magnet disposed in the first groove; a location detection sensor disposed in the second groove and facing the sensing magnet; and a correction magnet disposed opposite to the sensing magnet and disposed on the bobbin; wherein the sensing magnet is disposed over the first coil such that a portion of the bobbin is disposed between the sensing magnet and the first coil, and wherein the driving magnet is disposed below the location detection sensor to face the first coil.