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

A camera module, comprising:

• an image sensor,
• a lens assembly,
• an image sensor drive module, wherein 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, and the image sensor drive module comprises:
• a drive unit, comprising a fixed member and a movable member that can move relative to each other;
• a base, configured to bear the fixed member;
• and
• a movable base, comprising a bearing part, a fixing part, and a connecting part, wherein the connecting part is configured to implement mechanical and electrical connection between the bearing part and the fixing part, the bearing part is configured to bear an image sensor and the movable member, and the fixing part is connected to the base, wherein:
• a partial structure of the bearing part and a partial structure of the base form a retention structure, the retention structure is configured to provide a retention force for the bearing part, the drive unit is configured to drive the bearing part to move relative to the base and contact between the bearing part and the base is maintained by the retention force of the retention structure.

An electronic device, comprising:

• a processor configured to process an image signal output by an image sensor;
• a camera module, wherein the processor is electrically coupled to the camera module, wherein the camera module comprises an 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, and the image sensor drive module comprises:
• a drive unit, comprising a fixed member and a movable member that can move relative to each other;
• a base, configured to bear the fixed member;
• and
• a movable base, comprising a bearing part, a fixing part, and a connecting part, wherein the connecting part is configured to implement mechanical and electrical connection between the bearing part and the fixing part, the bearing part is configured to bear an image sensor and the movable member, and the fixing part is connected to the base, wherein;
• a partial structure of the bearing part and a partial structure of the base form a retention structure, the retention structure is configured to provide a retention force for the bearing part, the drive unit is configured to drive the bearing part to move relative to the base and contact between the bearing part and the base is maintained by the retention force of the retention structure.