Optical element driving device, camera module, and camera mounting device

Claims

1. An optical element drive device that can be used together with a vane drive device for adjusting the amount of light incident on an optical element, A cylindrical container, A holder is disposed inside the aforementioned housing and capable of holding an optical element, A leaf spring member supports the holder so that it can move in the optical axis direction relative to the housing, A drive unit for moving the holder in the optical axis direction, The system comprises a first circuit board section on which a position detection unit for detecting the position of the holder in the optical axis direction is mounted, The first circuit board section is arranged in the housing, The leaf spring member has a first connection portion connected to the electrical system of the blade drive device and a second connection portion connected to the first circuit board portion. Optical element driving device.

2. The first connecting portion is arranged on the light-receiving side surface of the holder in the optical axis direction, The second connecting portion is located on the light-receiving side of the housing in the optical axis direction, The optical element driving device according to claim 1.

3. The leaf spring member has an arm portion that elastically deforms as the holder moves, The first connection part and the second connection part are connected via the arm part. The optical element driving device according to claim 2.

4. The housing has a rectangular shape in a plan view as seen from the optical axis direction, The first circuit board section is arranged along one side of the rectangular shape, The optical element driving device according to claim 1.

5. The leaf spring member is connected to the housing at the end of the side on which the first circuit board portion is located. The optical element driving device according to claim 4.

6. The leaf spring member supplies a negative power supply or a clock signal to the electrical system of the blade drive device and the first circuit board. The optical element driving device according to claim 1.

7. The first connection portion is connected to the second circuit board portion of the blade drive device, The optical element driving device according to claim 1.

8. The optical element driving device according to Claim 1, An imaging unit that captures an image of a subject using the aforementioned optical element, The vane drive device comprises, Camera module.

9. The blade drive device comprises a second circuit board section, The first circuit board portion and the second circuit board portion are connected via the leaf spring member. The camera module according to claim 8.

10. The blade drive device is A fixed body and A movable body that can rotate relative to the fixed body, A drive unit that rotates the aforementioned movable body, It comprises aperture blades that open and close the opening in conjunction with the rotation of the aforementioned movable body, The drive unit is mounted on the second circuit board. The camera module according to claim 9.

11. A camera-mounted device which is an information device or a transport device, A camera module comprising the camera module described in claim 8, A device equipped with a camera.