Image sensor drive module, optical assembly, camera module, and electronic device

An electronic device, comprising a processor and a camera module, wherein the processor is electrically connected to the camera module, and the processor is configured to process an image signal output by an image sensor, the camera module comprises the image sensor, a lens assembly, and an image sensor drive module, the image sensor is fastened to the image sensor drive module, and the lens assembly is located on a light incident side of the image sensor, the image sensor drive module comprising:

• a drive unit, comprising a fixing member and a movable member that can move relative to each other;
• a fixing base, comprising a fixing platform and a fixing frame, wherein the fixing platform comprises an inner surface and a first bottom surface that are opposite to each other, the fixing frame is connected to the fixing platform and protrudes from the inner surface, the fixing member is fastened to the fixing base, and an opening is formed on a side that is of the fixing frame and that is away from the inner surface;
• and
• a movable base, spaced in a floating manner with the inner surface of the fixing platform or in contact with the inner surface of the fixing platform, wherein the movable base comprises a bearing part, a fixing part, and a connecting part, the connecting part is configured to implement mechanical and electrical connection between the bearing part and the fixing part, the fixing part is connected to the fixing base, the bearing part comprises a first bearing region and a second bearing region, the movable member is disposed in the second bearing region, the first bearing region is configured to bear an image sensor, a size of the opening is greater than a size of the image sensor, and the opening is configured to mount the image sensor to the first bearing region.

A camera module, comprising:

• an image sensor and a lens assembly, wherein the lens assembly is located on a light incident side of the image sensor;
• a lens drive module, comprising a housing and a drive component mounted in the housing, wherein the drive component is configured to drive the lens assembly to move;
• and
• an image sensor drive module, comprising a fixing base, a movable base, and a drive unit, wherein the drive unit comprises a fixing member and a movable member that can move relative to each other, the fixing base comprises a fixing platform and a side frame, the side frame is connected to the fixing platform, the fixing member is fastened to the fixing base, the movable base comprises a bearing part, a fixing part, and a connecting part, the connecting part is configured to implement mechanical and electrical connection between the bearing part and the fixing part, the fixing part is connected to the fixing base, and the bearing part is configured to bear the image sensor and the movable member, wherein
• the lens drive module is located on a side that is of the side frame and that is away from the fixing platform, and an outer surface of the housing is fixedly connected to the fixing base.