LENS DRIVING DEVICE AND CAMERA MODULE MOUNTED WITH LENS DRIVING DEVICE, AND MOBILE TELEPHONE

摘要

Disclosed is a lens driving device having a simple structure and capable of preventing during movement of the holder rattling caused by repeated contact and separation of a sliding area and a shaft. The lens driving device is provided with a holder which holds a lens unit and which is capable of movement in the direction of the optical axis of said lens unit, and a cylindrical shaft (51) disposed extending in the direction of the optical axis of the aforementioned lens unit. Provided in the aforementioned holder (10) is a guide unit (15) which, during movement of the aforementioned holder (10), slides on the lateral surface of the aforementioned shaft (51) and guides the direction of movement of the aforementioned holder in the optical axis direction of the lens unit. The aforementioned guide unit (15) is provided with multiple sliding areas (15a, 15b) which, during movement of the aforementioned holder, constantly and continuously slide on the same position on the lateral surface of the aforementioned shaft.