Patent ID: 9618768
Date: 2017-04-11
CPC Classifications: G02B,G03B,H02K

Claim:
1. A lens driving device, comprising: a cover can comprising an upper surface and a side surface extending from the upper surface; a base coupled to the cover can; a housing disposed over the base and configured to move in first and second directions perpendicular to an optical axis direction; a bobbin disposed in the housing and configured to move in the optical axis direction; an actuator comprising a magnet unit arranged in the housing, a first coil unit arranged in an outer side surface of the bobbin, and a second coil unit arranged on the base, wherein the magnet interacts with the first and second coil units; a substrate disposed between the second coil unit and the base to supply electric power to the first coil unit and the second coil unit; and an elastic unit coupled to the bobbin and the housing, wherein the elastic unit comprises an upper spring arranged on an upper portion of the housing and a lower spring arranged at a lower portion of the housing; wherein the housing comprises at least two upper stoppers protruding from an upper surface thereof; wherein the bobbin comprises at least two flange units protrusively formed at an outer surface thereof, and the housing comprises mounting portions at an inner side surface corresponding to the flange units, respectively; and wherein the flange units are overlapped with the mounting portions, respectively, in the optical axis direction; and wherein the magnet unit is disposed in the corner of the housing and comprises a first magnet facing the first coil unit and a second magnet facing the second coil unit.