CAMERA MODULE

摘要

Disclosed herein is a camera module, including: a lens holder including a receiving unit receiving a lens module therein; a driving unit joined to the lens holder to be movable in a direction vertical to an optical-axis direction; a housing in which the driving unit is installed to be movable in the vertical direction to the optical-axis direction and having a protruding member that protrudes on one surface thereof; a shape memory alloy wire part connected to the driving unit to generate driving force in the vertical direction to the optical-axis direction; and an elastic member applying a preload to the shape memory alloy wire part to cause initial transformation.