Optical element driving mechanism

1. An optical element driving mechanism, comprising:

a fixed assembly;

a movable assembly, configured to be connected to an optical element, wherein the movable assembly is movable relative to the fixed assembly;

a driving assembly, configured to drive the movable assembly to move relative to the fixed assembly; and

a circuit assembly, electrically connected to the driving assembly, wherein the circuit assembly includes an electrical connection element having a resin material;

wherein the movable assembly includes a winding member and a metal assembly, the driving assembly includes a driving coil, a leading wire of the driving coil is disposed on a winding member surface of the winding member, and the electrical connection element is disposed between the metal assembly and the winding member;

wherein the metal assembly has a plate-shaped structure and defines an extending direction, wherein when viewed in a direction perpendicular to the extending direction, at least 80% of total area of the winding member surface is covered by the metal assembly.

2. The optical element driving mechanism as claimed in claim 1 , wherein the winding member further has a glue receiving groove formed by the winding member surface, and the glue receiving groove is configured to receive at least part of the electrical connection element.

3. The optical element driving mechanism as claimed in claim 2 , wherein the winding member has two side walls, the glue receiving groove is formed between the two side walls, and a plurality of positioning grooves is formed on the two side walls and is configured to position the leading wire.

4. The optical element driving mechanism as claimed in claim 2 , wherein the movable assembly further includes a movable assembly surface which is not parallel to the winding member surface, and the electrical connection element is in direct contact with the movable assembly surface.

5. The optical element driving mechanism as claimed in claim 1 , wherein an extending direction of the winding member is parallel to the extending direction of the metal assembly.

6. An optical element driving mechanism, comprising:

a fixed assembly;

a movable assembly, configured to be connected to an optical element, wherein the movable assembly is movable relative to the fixed assembly;

a driving assembly, configured to drive the movable assembly to move relative to the fixed assembly; and

a circuit assembly, electrically connected to the driving assembly, wherein the circuit assembly includes an electrical connection element having a resin material;

wherein the movable assembly includes a winding member and a metal assembly, the driving assembly includes a driving coil, a leading wire of the driving coil is disposed on a winding member surface of the winding member, and the electrical connection element is disposed between the metal assembly and the winding member;

wherein the movable assembly further includes a glue receiving groove configured to receive at least part of the electrical connection element, and the glue receiving groove is connected to the winding member.

7. The optical element driving mechanism as claimed in claim 1 , wherein the winding member has a blocking wall configured to limit movement of the electrical connection element in an extending direction of the winding member.

8. The optical element driving mechanism as claimed in claim 1 , wherein the metal assembly has a through hole, wherein when viewed in a direction perpendicular to the extending direction, the electrical connection element and part of the winding member are seen through the through hole.

9. The optical element driving mechanism as claimed in claim 1 , wherein the movable assembly includes a groove and a concave groove, the groove is connected to the winding member and configured to accommodate the leading wire, the concave groove is disposed in the groove and configured to accommodate the electrical connection element, wherein the groove and the concave groove have different depths.

10. The optical element driving mechanism as claimed in claim 9 , wherein a depth of the concave groove is greater than a depth of the groove.

11. The optical element driving mechanism as claimed in claim 9 , wherein the groove further has a bending receiving portion, part of the leading wire is located at the bending receiving portion, the bending receiving portion has a corner structure, and the leading wire located at the corner structure has an insulating layer.

12. An optical element driving mechanism, comprising:

a fixed assembly;

a movable assembly, configured to be connected to an optical element, wherein the movable assembly is movable relative to the fixed assembly;

a driving assembly, configured to drive the movable assembly to move relative to the fixed assembly; and

a circuit assembly, electrically connected to the driving assembly, wherein the circuit assembly includes an electrical connection element having a resin material;

wherein the optical element driving mechanism further includes a protruding post disposed on the movable assembly, the driving assembly includes a driving coil, the driving coil has a winding axis, and a leading wire of the driving coil is wound on the protruding post;

wherein the protruding post extends in a direction parallel to the winding axis of the driving coil.

13. The optical element driving mechanism as claimed in claim 1 , wherein the movable assembly includes a groove and a concave groove, the groove is configured to accommodate the leading wire, and the concave groove is disposed in the groove and is configured to accommodate the electrical connection element, wherein the optical element driving mechanism further includes a protruding post, wherein the protruding post is not disposed in the concave groove.

14. The optical element driving mechanism as claimed in claim 1 , wherein the movable assembly includes a groove and a concave groove, the groove is configured to accommodate the leading wire, and the concave groove is disposed in the groove and is configured to accommodate the electrical connection element, wherein the optical element driving mechanism further includes a protruding post, wherein the protruding post is disposed in the concave groove.

15. The optical element driving mechanism as claimed in claim 14 , wherein the concave groove is formed by a side wall of the movable assembly, and the protruding post is disposed adjacent to the side wall.

16. The optical element driving mechanism as claimed in claim 14 , wherein the metal assembly is configured to be riveted to the protruding post after the electrical connection element is disposed in the concave groove.

17. The optical element driving mechanism as claimed in claim 16 , wherein the optical element defines an optical axis, when viewed in a direction perpendicular to the optical axis, the protruding post is located between the metal assembly and the movable assembly, and when viewed along the optical axis, the protruding post overlaps at least part of the movable assembly and overlaps at least part of the metal assembly.

18. The optical element driving mechanism as claimed in claim 17 , wherein when viewed in the direction perpendicular to the optical axis, the protruding post is covered by the movable assembly without being exposed, and when viewed along the optical axis, the protruding post is covered by the metal assembly without being exposed.