Patent ID: 6839899

Claim:
An optical element driving device comprising: a shaft having an axis line in parallel to an optical axis of an optical element; a holder holding said optical element at one end position thereof, including a bearing portion which is so formed as to penetrate the center portion thereof and loosely engaged in said shaft, and being supported by said shaft through said bearing portion movably in parallel to and rotatably about said shaft; a focusing driving device configured to control the driving of said holder in the axial direction of said shaft; a tracking driving device configured to control the driving of said holder about said axis line; and a magnetic substance fixed to said holder, wherein said focusing driving device and said tracking driving device are constituted of first and second permanent magnets which are opposed to each other with said shaft interposed therebetween and coils, said magnetic substance comprises first and second end portions having the same shape and the same size and a connection portion connecting said first and second end portions to form an I-shape, the width of said connection portion is narrower than the width of said first and second end portions, said first end portion is opposed to said first permanent magnet, and said second end portion is opposed to said second permanent magnet.