Patent ID: 9151963
Filing Date: 2015-10-06
Classification: G02B,G03B,H04N

Abstract:
1. A lens holder driving device comprising: a lens holder moving portion in which a lens holder moves in a direction of an optical axis and in first and second directions which are orthogonal to the optical axis and which are perpendicular to each other, said lens holder moving portion having first and second ends opposite to each other in the direction of the optical axis; and a fixed member disposed apart from said lens holder moving portion in the direction of the optical axis, wherein said lens holder driving device comprises: an elastic member mounted to said lens holder moving portion, said elastic member comprising first and second leaf springs, mounted to the first and the second ends of said lens holder moving portion, respectively, supporting said lens holder in the direction of the optical axis shiftably, said first leaf spring being arranged apart from said fixed member compared to said second leaf spring; a plurality of suspension wires having first end portions fixed to said fixed member at outer regions thereof, said plurality of suspension wires extending along the optical axis and having second end portions fixed to said first leaf spring, said plurality of suspension wires swingably supporting said lens holder moving portion in the first direction and the second direction; and at least one damper compound disposed in the vicinity of said first leaf spring so as to enclose at least one suspension wire among said plurality of suspension wires, said damper compound suppressing undesired resonance in said lens holder moving portion.