LENS DRIVE DEVICE, CAMERA MODULE USING LENS DRIVE DEVICE, AND MANUFACTURING METHOD OF LENS DRIVE DEVICE

摘要

To provide a lens drive device capable of stably holding a lens holding member with an upper plate spring and a lower plate spring, a camera module using the lens drive device, and a manufacturing method of the lens drive device.SOLUTION: A lens holding member 10 including a coil 60 mounted thereon is supported by an upper plate spring 30 and lower plate springs 20A, 20B. In an initial state where the coil 60 is not energized, the lens holding member 10 abuts against a support base 40. Spring constant of a lower elastic arm part of the lower plate springs 20A, 20B is set to be smaller than spring constant of an upper elastic arm part of the upper plate spring 30, to thereby stabilize the attitude of the lens holding member 10.SELECTED DRAWING: Figure 5