Patent ID: 8379337

Claim:
A lens drive device comprising: a support body; a movable body provided with a lens; a magnetic drive mechanism for magnetically driving the movable body in a lens optical axis direction with respect to the support body; and a front side spring member which is connected with a front side end part in the lens optical axis direction of the movable body and the support body; wherein the front side spring member comprises: a support body side connecting part which is connected with the support body; a movable body side connecting part which is located on an inner peripheral side with respect to the support body side connecting part and connected with the movable body; and an arm part which is connected with the support body side connecting part and the movable body side connecting part; wherein the support body comprises a yoke comprising: a yoke front plate part which faces the front side end part of the movable body from a front side in the lens optical axis direction; and a yoke side plate part which faces a side face part of the movable body; wherein the yoke front plate part is formed with a yoke opening part which is overlapped with at least a part of the front side spring member in the lens optical axis direction; wherein damper material having viscoelasticity is provided on one of a portion extending over the movable body side connecting part and the arm part, a portion extending over the arm part and the support body side connecting part, a portion extending over the movable body side connecting part and the support body side connecting part, a portion extending over the movable body and the arm part, a portion extending over the arm part and the support body, and a portion extending over the movable body and the support body, the portion being overlapped with the yoke opening part in the lens optical axis direction; the yoke opening part is provided with a circular opening portion with a lens optical axis as a center and a protruded opening portion which is protruded to an outer side in a radial direction from an outer circumferential edge of the circular opening part, and the damper material is provided on the portion overlapping with the protruded opening portion in the lens optical axis direction.