CN114143428A

CN114143428A - Optical element driving device

Info

Publication number: CN114143428A
Application number: CN202111439669.7A
Authority: CN
Inventors: 鲍和平; 彭坤; 林聪�; 刘富泉; 吕新科; 其他发明人请求不公开姓名
Original assignee: Henan Hozel Electronics Co Ltd
Current assignee: Henan Hozel Electronics Co Ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-03-04
Anticipated expiration: 2041-11-30
Also published as: CN114143428B

Abstract

The invention discloses an optical element driving device which comprises a base, a frame, a carrier, an upper reed, a lower reed and a spring piece, wherein the carrier is movably sleeved in the frame, the upper reed and the lower reed are connected with the frame and the carrier, and the spring piece is connected with the frame and the base. The elastic sheet is provided with a first electric connection point electrically connected with the circuit on the base and a second electric connection point connected with the frame, and the second electric connection point is electrically connected with the internal circuit of the frame. The first coil arranged in the base is used for matching with the magnet arranged in the frame to drive the frame to move along the direction vertical to the optical axis when being electrified. The carrier is provided with a second coil, and the second coil is used for being matched with the magnet to drive the carrier to move along the direction of the optical axis when being electrified. The base is provided with a first insulating part, the carrier is provided with a second insulating part, and the elastic sheet is further provided with a first insulating connecting plate connected with the first insulating part and a second insulating connecting plate connected with the second insulating part. Embodiments of the present invention enable three-axis movement and repositioning of optical elements.

Description

Optical element driving device

Technical Field

The embodiment of the invention relates to the field of electronic equipment, in particular to an optical element driving device.

Background

With the development of technology, many electronic devices (such as smart phones or digital cameras) have a function of taking pictures or recording videos. Some electronic devices with camera or video function have a lens driving module to drive an optical component such as a lens to move, so as to achieve the functions of auto-focusing and optical anti-shake.

When a user uses an electronic device equipped with a lens module, shaking may occur, and the effect of the image captured by the lens module may be blurred. However, as the demand for image quality is increasing, the driving function of the lens module (optical element) is becoming more important, and a driving device of the lens module capable of driving the three-axis movement of the lens is required.

Disclosure of Invention

An object of the present invention is to provide an optical element driving apparatus that enables three-axis movement and resetting of an optical element.

To solve the above technical problem, an embodiment of the present invention provides an optical element driving device including: the spring plate comprises a base, a frame, a carrier movably sleeved in the frame, an upper spring plate, a lower spring plate and a spring plate, wherein the upper spring plate and the lower spring plate are connected with the frame and the carrier, and the spring plate is connected with the frame and the base;

the elastic sheet is provided with a first electric connection point electrically connected with the circuit on the base and a second electric connection point connected with the frame, and the second electric connection point is electrically connected with the internal circuit of the frame;

a first coil is arranged in the base, a magnet is arranged in the frame, and the first coil is used for being matched with the magnet to drive the frame to move along the direction vertical to the optical axis when the frame is electrified;

the carrier is provided with a second coil, and the second coil is used for being matched with the magnet to drive the carrier to move along the direction of the optical axis when the carrier is electrified;

the base is provided with a first insulating piece, the carrier is provided with a second insulating piece, and the elastic piece is further provided with a first insulating connecting plate connected with the first insulating piece and a second insulating connecting plate connected with the second insulating piece.

Compared with the prior art, the optical element driving device is sleeved on the optical element, and the optical element is fixedly connected with the carrier. When the optical element needs to be driven, the built-in circuit of the base is electrified, then the first coil arranged on the base is electrified and then is matched with the magnet, the driving frame moves along the direction vertical to the optical axis, the carrier moves along the direction vertical to the optical axis along with the frame, and the optical element also moves along the direction vertical to the optical axis along with the carrier. Meanwhile, the elastic sheet transmits current to the built-in circuit on the frame, then the current is transmitted to the built-in circuit of the carrier through the upper elastic sheet, the built-in circuit of the carrier is connected with the second coil outside the carrier, power supply to the second coil is achieved, electromagnetic induction is generated between the second coil and the magnet, the carrier is driven to move along the direction of the optical axis, and therefore the optical element also moves along the direction of the optical axis along with the carrier. The optical element driving device provided by one embodiment of the invention realizes three-axis driving of the optical element, in addition, the base, the frame and the carrier are connected through the elastic sheets, so that the resetting operation of the frame and the carrier can be realized, and the upper spring sheet and the lower spring sheet are both connected with the frame and the carrier, so that the resetting operation of the carrier along the optical axis direction is also realized. In addition, a first insulating part and a first insulating connecting plate are correspondingly arranged on the base and the elastic sheet, a second insulating part and a second insulating connecting plate are correspondingly arranged on the carrier and the elastic sheet, the base and the carrier can not be directly and electrically connected through the elastic sheet, local insulation is realized, the base and the carrier can be connected together through the elastic sheet, the elastic sheet has resilience force in the direction of an optical axis to the carrier, the carrier is reset, and the device is more reliable in movement due to the matching of structures.

In one embodiment, the first insulating member is a first damping block, and the first insulating connecting plate is a first insert for inserting the first damping block;

the second insulating part is a second damping block, and the second insulating connecting plate is a second plug-in unit for inserting the second damping block.

In one embodiment, the elastic sheet has a first elastic part, a second elastic part and a middle part, wherein the first elastic part and the second elastic part surround the frame; the first elastic part and the second elastic part are matched with the shape of the frame;

the first insulating connecting plate, the second insulating connecting plate and the second electric connection point are located on one side, away from the second elastic part, of the first elastic part, and the first electric connection point is located on one side, away from the first elastic part, of the second elastic part.

In one embodiment, the first elastic portion and the second elastic portion are vertically disposed, and the middle portion is horizontally disposed.

In an embodiment, the second elastic portion has a plurality of upper horizontal segments, a plurality of vertical segments and a plurality of lower horizontal segments, the vertical segments are sequentially arranged at intervals along the length direction of the second elastic portion, and the upper horizontal segments, the vertical segments and the lower horizontal segments are sequentially connected end to end.

In one embodiment, the first elastic portion is formed with a hollow hole.

In an embodiment, a bottom end of one side of the first elastic part, which is away from the second elastic part, is bent to extend out of a first extension part, the first extension part extends towards the direction of the frame, and at least part of the first extension part extends into an area enclosed by the frame;

the first insulating connecting plate and the second electric connecting point are positioned on the first extending part, and the second insulating connecting plate is positioned in an area enclosed by the first extending part and at least partially extending to the frame;

the bottom end of one side of the second elastic part, which is far away from the first elastic part, is bent to extend a second extending part, and the first electric connection point is arranged on the second extending part.

In one embodiment, the second electrical connection point is located at an end of the first extending portion close to the first elastic portion, and the first insulating connection plate is located at an end of the first extending portion away from the first elastic portion.

In one embodiment, the outer side of the frame is provided with an outward convex step part, and the step part is separated from the base to form a limit area in which the first elastic part and the second elastic part are embedded.

In one embodiment, the elastic sheets are provided with a plurality of elastic sheets and are arranged around the periphery of the frame.

In one embodiment, the number of the elastic pieces is four, and the four elastic pieces are arranged symmetrically in pairs.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

Fig. 1 is an exploded view of an optical element driving apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a spring plate according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a base in accordance with one embodiment of the present invention;

FIG. 4 is a schematic bottom view of a carrier according to one embodiment of the present invention;

FIG. 5 is a schematic view of a structure of the spring plate and the frame according to an embodiment of the present invention;

FIG. 6 is a schematic view of the structure of the base, the lower spring, the frame and the spring plate according to one embodiment of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6;

FIG. 8 is a schematic structural diagram of a frame of one embodiment of the present invention;

FIG. 9 is a schematic view of a base of an embodiment of the present invention from another perspective;

FIG. 10 is a schematic view of another perspective of a carrier according to one embodiment of the present invention;

FIG. 11 is a bottom view of the frame of one embodiment of the present invention;

figure 12 is a schematic view of the construction of a lower spring leaf according to one embodiment of the invention;

figure 13 is a schematic diagram of the structure of the upper spring plate according to one embodiment of the invention.

Reference numerals:

1. a base; 11. a first insulating member; 12. a first coil; 13. a line pin; 14. a connecting projection; 15. a first position sensor;

2. a frame; 21. a magnet; 22. a step portion; 23. a limiting region; 24. a magnet groove; 25. a limiting groove; 26. the elastic sheet connecting point; 27. a lower reed connection point; 28. an upper reed connection point; 29. a second position sensor;

3. a carrier; 31. a second insulating member; 32. a second coil; 33. a limiting bulge; 34. a top convex ring; 35. a bottom convex ring; 36. the top is convex; 37. the bottom is convex;

4. a spring plate is arranged; 41. a second frame connecting piece; 42. a second inner ring; 43. a second spring wire; 44. a second carrier connection sheet;

5. a lower reed; 51. a first frame connecting piece; 52. a first inner ring; 53. a first spring wire; 54. a first carrier connection tab;

6. a spring plate; 61. a first electrical connection point; 62. a second electrical connection point; 63. a first insulating connection plate; 64. a second insulating connecting plate; 65. a first elastic part; 651. hollowing out holes; 652. a first extension portion; 66. a second elastic part; 661. an upper horizontal section; 662. a vertical section; 663. a lower horizontal section; 664. a second extension portion; 67. an intermediate portion;

7. an optical element.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.

In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Throughout the specification and claims, the word "comprise" and variations thereof, such as "comprises" and "comprising," are to be understood as an open, inclusive meaning, i.e., as being interpreted to mean "including, but not limited to," unless the context requires otherwise.

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings in order to more clearly understand the objects, features and advantages of the present invention. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As used in this specification and the appended claims, the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and/or" unless the context clearly dictates otherwise.

In the following description, for the purposes of clearly illustrating the structure and operation of the present invention, directional terms will be used, but terms such as "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be construed as words of convenience and should not be construed as limiting terms.

Embodiments of the present invention are described below with reference to the drawings.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 9, an optical element 7 driving apparatus according to an embodiment of the present invention includes: the spring type solar cell comprises a base 1, a frame 2, a carrier 3 movably sleeved in the frame 2, an upper spring 4, a lower spring 5 and a spring sheet 6. The upper spring plate 4 and the lower spring plate 5 are both connected with the frame 2 and the carrier 3, and the spring plate 6 is connected with the frame 2 and the base 1. The carrier 3 is movable in the direction of the optical axis, and the frame 2 carries the carrier 3 and is movable in the direction perpendicular to the optical axis. The base 1 is provided with a first insulating part 11, the carrier 3 is provided with a second insulating part 31, and the elastic sheet 6 is further provided with a first insulating connecting plate 63 connected with the first insulating part 11 and a second insulating connecting plate 64 connected with the second insulating part 31. A first coil 12 is arranged in the base 1, a magnet 21 is arranged in the frame 2, and the first coil 12 is used for matching with the magnet 21 to drive the frame 2 to move along the direction vertical to the optical axis when being electrified. The carrier 3 is provided with a second coil 32, and the second coil 32 is used for cooperating with the magnet 21 to drive the carrier 3 to move along the direction of the optical axis when being electrified. The elastic sheet 6 has a first electrical connection point 61 electrically connected to the circuit on the base 1, and a second electrical connection point 62 connected to the frame 2, wherein the second electrical connection point 62 is electrically connected to the built-in circuit of the frame 2. The first electrical connection point 61 and the second electrical connection point 62 are solder regions. The first electrical connection points 61 are connected with the connection bumps 14 on the base 1.

Specifically, as shown in fig. 9, the first coil 12 may be disposed in a coil groove on the base 1, and the base 1 is provided with a line pin 13 and supplies power to a built-in circuit of the base 1 through the line pin 13. The base 1 may also be provided with a first position sensor 15 on the floor, the first position sensor 15 being powered by the built-in circuitry of the base 1. Preferably, two first position sensors 15 may be provided, each cooperating with two different magnets 21 for position monitoring of movement of the carrier 3 in a direction perpendicular to the optical axis.

As shown in fig. 6, 8 and 11, the frame 2 may be disposed at the upper end of the base 1, and the inner side of the end wall of the frame 2 is provided with a magnet groove 24 for mounting the magnet 21.

As shown in fig. 8 and 10, the inner side of the frame 2 may be further provided with a limiting groove 25, and the limiting groove 25 cooperates with a limiting protrusion 33 on the outer side of the carrier 3 to limit the range of the longitudinal movement of the carrier 3. The inner side walls of the frame 2 may also be provided with a second position sensor 29. The built-in circuit of the frame 2 is connected with the second position sensor 29 and supplies power to the second position sensor 29, and the magnet 21 corresponds to the position of the second position sensor 29, so that the position of the carrier 3 moving along the optical axis direction can be monitored by the second position sensor 29.

As shown in fig. 5 and 11, the bottom end of the frame 2 may be provided with a spring connection point 26, and the spring connection point 26 is used for connecting with the spring 6. And the bottom end of the frame 2 is also provided with a lower spring plate connecting point 27, and the lower spring plate connecting point 27 is used for connecting with the lower spring plate 5. The top end of the frame 2 is provided with an upper leaf spring connection point 28, and the upper leaf spring connection point 28 is used for connecting with the upper leaf spring 4. The above-mentioned connection mode can adopt welding, and those skilled in the art can make the arrangement according to the actual need.

As shown in fig. 12 and 13, the upper spring 4 has a similar structure to the lower spring 5. Specifically, the lower spring 5 includes: a first frame connecting piece 51, a first inner ring 52, a first spring wire 53, a first carrier connecting piece 54. The upper spring plate 4 includes: a second frame connecting piece 41, a second inner ring 42, a second spring wire 43 and a second carrier connecting piece 44. The second inner ring 42 is connected to the top flange 34 of the upper end face of the carrier 3 and the first inner ring 52 is connected to the bottom flange 35 of the lower end face of the carrier 3. The top convex ring 34 and the bottom convex ring 35 are designed to ensure the connection effect of the upper spring 4 and the lower spring 5 and simultaneously reduce the weight of the carrier 3. The second carrier web 44 is connected to the top projection 36 on the upper side of the carrier 3 and the first carrier web 54 is connected to the bottom projection 37 on the lower side of the carrier 3. The first frame connecting piece 51 is connected to the lower spring connecting point 27 and the second frame connecting piece 41 is connected to the upper spring connecting point 28.

When the optical element driving device is used, the optical element 7 is sleeved on the optical element 7, and the optical element 7 is fixedly connected with the carrier 3. When the optical element 7 needs to be driven, the built-in circuit of the base 1 is electrified, then the first coil 12 arranged on the base 1 is electrified and matched with the magnet 21, the frame 2 is driven to move along the direction vertical to the optical axis, the carrier 3 moves along the frame 2 along the direction vertical to the optical axis, and the optical element 7 also moves along the carrier 3 along the direction vertical to the optical axis. Meanwhile, the spring 6 transmits the current to the built-in circuit on the frame 2, and then transmits the current to the built-in circuit of the carrier 3 through the upper spring 4, the built-in circuit of the carrier 3 is connected with the second coil 32 outside the carrier 3, so that power supply to the second coil 32 is realized, the second coil 32 and the magnet 21 generate electromagnetic induction, the carrier 3 is driven to move along the direction of the optical axis, and the optical element 7 also moves along the direction of the optical axis along with the carrier 3. Through the optical element 7 driving device provided by the embodiment of the invention, the three-axis driving of the optical element 7 is realized, in addition, the base 1, the frame 2 and the carrier 3 are connected through the elastic sheet 6, the reset operation of the frame 2 and the carrier 3 can be realized, and the upper spring sheet 4 and the lower spring sheet 5 are both connected with the frame 2 and the carrier 3, and the reset operation of the carrier 3 along the optical axis direction is also realized. In addition, through corresponding on base 1 and shell fragment 6 and set up first insulator 11 and first insulating connecting plate 63, through corresponding on carrier 3 and shell fragment 6 and set up second insulator 31 and second insulating connecting plate 64, realize insulating effect, this is because base 1 and shell fragment 6, carrier 3 and shell fragment 6 need not all realize the power supply in all contact departments, realize local insulation, and can link together through the shell fragment between base and the carrier, let the shell fragment have the resilience force of optical axis direction to the carrier, the realization is to the reseing of carrier, thereby cooperation between each structure lets this device motion more reliable.

Further, as shown in fig. 2, 3 and 4, the first insulating member 11 is a first damping block, and the first insulating connecting plate 63 is a first insert for inserting the first damping block. The second insulating member 31 is a second damping block, and the second insulating connecting plate 64 is a second insert for inserting the second damping block. The second damping piece can be for setting up the mounting groove in 3 bottoms of carrier, and first damping piece can set up to be located the mounting groove of base 1 upper end, and this kind of setting can be easy to assemble and play insulating effect, and the technical staff in the art can set up according to actual need.

As shown in fig. 2 and 5, the elastic sheet 6 includes a first elastic portion 65, a second elastic portion 66 surrounding the frame 2, and an intermediate portion 67 connecting the first elastic portion 65 and the second elastic portion 66. The first elastic portion 65 and the second elastic portion 66 match the outer shape of the frame 2. The first insulating connecting plate 63, the second insulating connecting plate 64 and the second electrical connection point 62 are located on one side of the first elastic portion 65, which is far away from the second elastic portion 66, and the first electrical connection point 61 is located on one side of the second elastic portion 66, which is far away from the first elastic portion 65. The setting can be performed by those skilled in the art according to actual needs.

Preferably, as shown in fig. 2, the first elastic portion 65 and the second elastic portion 66 are vertically arranged, i.e., along the optical axis direction. The intermediate portion 67 is disposed horizontally, i.e., in a direction perpendicular to the optical axis. The setting can be performed by those skilled in the art according to actual needs.

Further, as shown in fig. 2, each second elastic portion 66 has three upper horizontal sections 661, six vertical sections and two lower horizontal sections 663, the vertical sections are sequentially arranged at intervals along the length direction of the second elastic portion 66, wherein the upper horizontal sections 661, the vertical sections, and the lower horizontal sections 663 are sequentially connected end to end. Through the arrangement, the elastic performance of the elastic sheet 6 can be improved to the greatest extent, meanwhile, the weight can be reduced, and the arrangement can be carried out by a person skilled in the art according to actual needs. It should be understood that each second elastic portion 66 is not limited to three upper horizontal segments 661, six vertical segments, and two lower horizontal segments 663, and those skilled in the art can realize that the upper horizontal segments 661, the vertical segments, and the lower horizontal segments 663 are connected end to end in sequence without departing from the scope of the present invention.

As shown in fig. 2, 6 and 7, the first elastic portion 65 is provided with a hollow hole 651. The arrangement of the hollow holes 651 can improve the elastic performance of the elastic sheet 6 to the greatest extent, and the weight reduction effect is achieved, and the arrangement can be carried out by a person skilled in the art according to actual needs.

In addition, as shown in fig. 2, a bottom end of one side of the first elastic portion 65 facing away from the second elastic portion 66 is bent to extend out of the first extending portion 652, and the first extending portion 652 extends toward the frame 2, and at least a part of the first extending portion 652 extends into an area enclosed by the frame 2. The first insulating connection plate 63 and the second electrical connection point 62 are located on the first extension 652, and the second insulating connection plate 64 is located in a region surrounded by the first extension 652 extending at least partially into the frame 2. The bottom end of one side of the second elastic part 66 departing from the first elastic part 65 is bent to extend out of the second extending part 664, and the first electrical connection point 61 is arranged on the second extending part 664. The setting can be performed by those skilled in the art according to actual needs.

Preferably, as shown in fig. 2, the second electrical connection point 62 is located at one end of the first extension portion 652 close to the first elastic portion 65, and the first insulating connection plate 63 is located at one end of the first extension portion 652 far from the first elastic portion 65. The arrangement is convenient for welding and processing, and can be set by a person skilled in the art according to actual needs.

Further, as shown in fig. 7 and 8, the outer side of the frame 2 has a step portion 22 protruding outward, and the step portion 22 is spaced apart from the base 1 to form a stopper region 23 in which the first elastic portion 65 and the second elastic portion 66 are embedded. Through this kind of setting, compact structure, but the present district is used for prescribing a limit to the position of shell fragment 6 to it is comparatively convenient to install shell fragment 6, and the technical staff in the art can set up according to actual need.

As shown in fig. 2 and 5, the four spring pieces 6 are provided around the outer periphery of the frame 2. It should be understood that the number of the spring pieces 6 is not limited to four, and those skilled in the art may arrange two, three or more than four according to actual needs.

Preferably, as shown in fig. 2, the four elastic sheets 6 are symmetrically arranged in pairs, and the arrangement structure is reasonable, so that the arrangement can be performed by a person skilled in the art according to actual needs.

While the preferred embodiments of the present invention have been described in detail above, it should be understood that aspects of the embodiments can be modified, if necessary, to employ aspects, features and concepts of the various patents, applications and publications to provide yet further embodiments.

These and other changes can be made to the embodiments in light of the above detailed description. In general, in the claims, the terms used should not be construed to be limited to the specific embodiments disclosed in the specification and the claims, but should be construed to include all possible embodiments along with the full scope of equivalents to which such claims are entitled.

It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.

Claims

1. An optical element driving apparatus, comprising: the spring plate comprises a base, a frame, a carrier movably sleeved in the frame, an upper spring plate, a lower spring plate and a spring plate, wherein the upper spring plate and the lower spring plate are connected with the frame and the carrier, and the spring plate is connected with the frame and the base;

2. The optical element driving device according to claim 1, wherein the first insulating member is a first damping block, and the first insulating connecting plate is a first insertion member for inserting the first damping block;

3. The optical element driving device according to claim 1, wherein the elastic piece has a first elastic portion, a second elastic portion surrounding the frame, and an intermediate portion connecting the first elastic portion and the second elastic portion; the first elastic part and the second elastic part are matched with the shape of the frame;

4. An optical element driving device according to claim 3, wherein the first elastic portion and the second elastic portion are vertically disposed, and the intermediate portion is horizontally disposed.

5. The optical element driving device according to claim 4, wherein the second elastic portion has a plurality of upper horizontal segments, a plurality of vertical segments and a plurality of lower horizontal segments, the vertical segments being sequentially arranged at intervals along a length direction of the second elastic portion, wherein the upper horizontal segments, the vertical segments and the lower horizontal segments are sequentially connected end to end.

6. The optical element driving device as claimed in claim 3, wherein the first elastic portion has a hollow hole.

7. An optical element driving apparatus according to claim 3, wherein a bottom end of a side of the first elastic portion facing away from the second elastic portion is bent to form a first extending portion, and the first extending portion extends toward the frame, and the first extending portion extends at least partially into an area enclosed by the frame;

8. The optical element driving device according to claim 7, wherein the second electrical connection point is located at an end of the first extension portion close to the first elastic portion, and the first insulating connection plate is located at an end of the first extension portion away from the first elastic portion.

9. The optical element driving device according to claim 3, wherein an outer side of the frame has a step portion protruding outward, the step portion being spaced apart from the base to form a stopper region in which the first elastic portion and the second elastic portion are embedded.

10. The optical element driving device as claimed in claim 1, wherein the resilient plate has a plurality of resilient plates and is disposed around the frame.

11. The optical element driving device as claimed in claim 10, wherein the number of the resilient pieces is four, and two of the resilient pieces are arranged symmetrically.