LENS DRIVING DEVICE, AUTOFOCUS CAMERA, AND CAMERA-EQUIPPED CELLPHONE

摘要

PPROBLEM TO BE SOLVED: To provide a lens driving device, an autofocus camera, and a camera-equipped cellphone easily assemblable with simple construction and moving a lens support in the optical axis direction and for camera-shake correction. PSOLUTION: The lens driving device moves a lens support in the optical axis direction and X-Y direction. The lens driving device includes: a first annular coil 19 disposed on the outer peripheral surface of the lens support 5; a plurality of second annular coils 16a-16d disposed at intervals of 90 degrees in the circumferential direction on the outer peripheral surface of the lens support 5; and a plurality of first magnets 17 and a plurality of second magnets 18 fixed on the inner peripheral surface of a yoke 3. The second magnets 18 are provided between the adjacent first magnets 17, 17 and disposed facing the outer peripheral surface of the ring of respective second annular coils 16a-16d. Current is applied to the first annular coil 19 when moving the lens support 5 in the optical axis direction, and current is applied to the predetermined second annular coil when moving the lens support 5 in the X-Y direction. PCOPYRIGHT: (C)2011,JPO&INPIT