LENS DRIVING DEVICE AND OPTICAL DISK DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a lens driving device in which rattling and vibration are hardly generated in a lens holder for holding a lens.SOLUTION: A lens driving device 30 comprises: a lens holder 31 for holding a lens 15; supporting parts 32, 35 for movably supporting the lens holder 31; a driving part 33 for driving the lens holder 31; and an elastic part 34 for imparting forces in predetermined directions to the lens holder 31. The support part 32, 35 include a shaft 32 engaged with a bearing part 31b of the lens holder 31. The forces in predetermined directions include a force in a direction perpendicular to the shaft 32 and a force in a direction for rotating the lens holder 31 about the shaft 32.