Patent ID: 9057812
Filing Date: 2015-06-16
Classification: G02B,G03B,G11B,H02K,H04N

Abstract:
1. A lens holder driving device comprising: a lens holder in which a lens assembly is mounted; a driving coil fixed to said lens holder at an outside circumference thereof; a magnet opposite to said driving coil; a yoke including said magnet; an elastic member shiftably supporting said lens holder in a direction of an optical axis of said lens assembly; and a base disposed at a lower side of said lens holder, wherein said yoke comprises an outer yoke including said magnet at an inner wall surface thereof, wherein said elastic member comprises an upper elastic member disposed at an upper side of said lens holder, said upper elastic member being mounted to the inner wall of said outer yoke in a state where said upper elastic member is positioned and fitted to a spacer, wherein said spacer comprises a plurality of protrusions, wherein said upper elastic member has a plurality of through holes through which the plurality of protrusions pass, wherein said upper elastic member is positioned and fitted to said spacer by inserting the plurality of protrusions in the plurality of through holes which correspond thereto, wherein said upper elastic member is mounted to said spacer by heat-welding tips of the plurality of protrusions, and wherein said yoke further comprises an inner yoke which is heat-welded to said spacer.