Sensor drive unit and camera module

Abstract

To provide a sensor driver.SOLUTION: A sensor driving device according to one embodiment of the present invention includes a first substrate, a second substrate arranged on the first substrate and electrically connected to the first substrate, and an image sensor arranged on the second substrate, the second substrate includes a body and a first protrusion protruding from one end of the body, and the first protrusion includes a first extension part extending from the body in a first direction and a second extension part extending from the first extension part in a second direction different from the first direction.SELECTED DRAWING: Figure 2

Claims

1. The second circuit board and An image sensor placed on the second substrate, A holder placed on the second substrate, A first circuit board is placed on the holder, A wire having one end connected to the second substrate and the other end connected to the holder, The second substrate is electrically connected to the first substrate. The second substrate includes a body and a first protrusion extending from one end of the body. The first projection includes a first extension extending from the body in a first direction and a second extension extending from the first extension in a second direction different from the first direction. The wire elastically supports the movement of the second substrate, The holder includes an arm made of metal, The other end of the wire is connected to the arm, The wire is arranged parallel to the first extension and the second extension, respectively, and is part of a sensor drive device.

2. The sensor drive device according to claim 1, wherein one end of the wire is connected to the body.

3. The sensor drive device according to claim 1, wherein the first extension and the second extension form an obtuse angle.

4. The first extension is bent from the body so as to have a first bending axis. The second extension is bent from the first extension so as to have a second bending axis. The sensor drive device according to claim 1, wherein the first bending axis is perpendicular to the second bending axis.

5. The sensor driving device according to claim 1, wherein the first extension of the first protrusion of the second substrate is arranged parallel to the optical axis of the image sensor.

6. The sensor driving device according to claim 1, wherein the second extension of the first protrusion of the second substrate is arranged parallel to the optical axis of the image sensor.

7. The second substrate includes a second projection that protrudes from the other end of the body opposite to the one end, The second projection includes a third extension extending from the body in a third direction and a fourth extension extending from the third extension in a fourth direction different from the third direction. The sensor drive device according to claim 1, wherein the first extension of the first protrusion and the third extension of the second protrusion are arranged opposite each other.

8. The sensor drive device according to claim 7, wherein the second substrate includes a third protrusion that protrudes from one end of the body and is separated from the first protrusion, and a fourth protrusion that protrudes from the other end of the body and is separated from the second protrusion.

9. The sensor driving device according to claim 1, wherein the second substrate includes a first pad portion coupled to the first substrate.

10. The sensor drive device according to claim 1, wherein the wire includes four wires parallel to the optical axis of the image sensor.

11. The sensor driving device according to claim 1, further comprising a drive unit for moving the image sensor in a direction perpendicular to the optical axis of the image sensor.

12. The sensor drive device according to claim 11, wherein the drive unit includes a first drive unit disposed on the second substrate and a second drive unit that interacts electromagnetically with the first drive unit.

13. The sensor drive device according to claim 11, wherein the image sensor is rotated by the drive unit with respect to the optical axis.

14. The sensor drive device according to claim 11, wherein the drive unit includes a first magnet, a second magnet having a different size from the first magnet, a first coil that interacts with the first magnet, and a second coil that interacts with the second magnet.

15. The sensor drive device according to claim 1, wherein the first extension of the first protrusion does not overlap with the body in the optical axis direction of the image sensor.

16. The sensor drive device according to claim 1, wherein the second extension of the first protrusion overlaps with the body in the optical axis direction of the image sensor.

17. The second circuit board and An image sensor placed on the second substrate, A first substrate is placed on a second substrate and electrically connected to the second substrate, A holder placed on the first circuit board, The wires comprising the second substrate and the holder are connected, The second substrate includes a body and a first protrusion extending from one end of the body. The first protrusion includes a first extension that extends from the body by bending, and a second extension that extends from the first extension by bending. The wire elastically supports the movement of the second substrate relative to the holder. The holder includes an arm made of metal, The other end of the wire is connected to the arm, The wire is arranged parallel to the first extension and the second extension, respectively, and is part of a sensor drive device.

18. A camera module comprising a sensor drive device according to any one of claims 1 to 17, and a lens disposed on the optical path of the image sensor of the sensor drive device.

19. Housing and The camera module according to claim 18, disposed in the housing, Optical instruments, including a display positioned within a housing.

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