OPTICAL ELEMENT DRIVING MECHANISM

1 . An optical element driving mechanism, comprising:

a fixed part;

a movable part, movable relative to the fixed part; and

a driving assembly, driving the movable part to move relative to the fixed part,

wherein the driving assembly comprises a driving magnetic element and a driving coil, and the driving magnetic element corresponds to the driving coil.

2 . The optical element driving mechanism as claimed in claim 1 , wherein the movable part comprises an optical element holder, the driving magnetic element comprises a first driving magnetic element, and the driving coil comprises an optical element holder driving coil,

wherein the optical element holder driving coil is disposed on the optical element holder and corresponds to the first driving magnetic element.

3 . The optical element driving mechanism as claimed in claim 2 , wherein the driving assembly further comprises a first driving magnetic element conductive sheet,

wherein the first driving magnetic element conductive sheet is disposed between the optical element holder driving coil and the optical element holder, and the optical element holder driving coil is fixedly disposed on the first driving magnetic element conductive sheet.

4 . The optical element driving mechanism as claimed in claim 2 , wherein the movable part further comprises a photosensitive element holder, and the driving coil further comprises a photosensitive element holder first driving coil and a photosensitive element holder second driving coil,

wherein the photosensitive element holder first driving coil and the photosensitive element holder second driving coil are disposed on the photosensitive element holder,

wherein the photosensitive element holder first driving coil and the photosensitive element holder second driving coil correspond to the first driving magnetic element.

5 . The optical element driving mechanism as claimed in claim 4 , wherein the driving magnetic element further comprises a second driving magnetic element,

wherein the photosensitive element holder first driving coil and the photosensitive element holder second driving coil correspond to the second driving magnetic element.

6 . The optical element driving mechanism as claimed in claim 5 , wherein the driving coil further comprises an optical element holder second driving coil,

wherein the optical element holder second driving coil is disposed on the optical element holder and corresponds to the second driving magnetic element.

7 . The optical element driving mechanism as claimed in claim 5 , wherein the first driving magnetic element and the second driving magnetic element are respectively disposed on two opposite sides of the optical element driving mechanism.

8 . The optical element driving mechanism as claimed in claim 5 , wherein a magnetic force emitting surface of the first driving magnetic element is parallel to an optical axis, and a magnetic force emitting surface of the second driving magnetic element is perpendicular to the optical axis.

9 . The optical element driving mechanism as claimed in claim 8 , further comprising a sensing element,

wherein the sensing element corresponds to the magnetic force emitting surface of the first driving magnetic element.

10 . The optical element driving mechanism as claimed in claim 5 , wherein the direction of the current of the photosensitive element holder first driving coil and the direction of the current of the photosensitive element holder second driving coil are the same when viewed along the optical axis.

11 . The optical element driving mechanism as claimed in claim 5 , wherein the direction of the current of the photosensitive element holder first driving coil and the direction of the current of the photosensitive element holder second driving coil are different when viewed along the optical axis.

12 . The optical element driving mechanism as claimed in claim 5 , wherein the shortest distance between the first driving magnetic element and the optical element holder is greater than the shortest distance between the second driving magnetic element and the optical element holder.

13 . The optical element driving mechanism as claimed in claim 5 , wherein the driving coil is not disposed between the second driving magnetic element and the optical element holder.

14 . The optical element driving mechanism as claimed in claim 5 , wherein the first driving magnetic element is disposed on a first side of the optical element driving mechanism,

wherein the second driving magnetic element is disposed on a second side of the optical element driving mechanism,

wherein the first side is opposite to the second side.

15 . The optical element driving mechanism as claimed in claim 14 , wherein the movable part comprises an optical element holder guiding element,

wherein the optical element holder guiding element is disposed on the first side of the optical element driving mechanism.

16 . The optical element driving mechanism as claimed in claim 14 , wherein the driving magnetic element further comprises a third driving magnetic element, and the driving coil further comprises a photosensitive element holder third driving coil,

wherein the photosensitive element holder third driving coil is disposed on the photosensitive element holder,

wherein the photosensitive element holder third driving coil corresponds to the third driving magnetic element,

wherein the third driving magnetic element is disposed on a third side of the optical element driving mechanism.

17 . The optical element driving mechanism as claimed in claim 16 , wherein a magnetic force emitting surface of the third driving magnetic element is perpendicular to an optical axis.

18 . The optical element driving mechanism as claimed in claim 16 , wherein the driving coil is not disposed between the third driving magnetic element and the optical element holder.

19 . The optical element driving mechanism as claimed in claim 16 , wherein the shortest distance between the third driving magnetic element and the first driving magnetic element is greater than the shortest distance between the third driving magnetic element and the second driving magnetic element when viewed along an optical axis.

20 . The optical element driving mechanism as claimed in claim 16 , wherein the shortest distance between the first driving magnetic element and the optical element holder is greater than the shortest distance between the third driving magnetic element and the optical element holder.