CN114143428B

CN114143428B - Optical element driving device

Info

Publication number: CN114143428B
Application number: CN202111439669.7A
Authority: CN
Inventors: 鲍和平; 请求不公布姓名; 彭坤; 林聪�; 刘富泉; 吕新科
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: 2023-10-31
Anticipated expiration: 2041-11-30
Also published as: CN114143428A

Abstract

The application discloses an optical element driving device which comprises a base, a frame, a carrier, an upper reed, a lower reed and a spring plate, wherein the carrier is movably sleeved in the frame, the upper reed and the lower reed are both 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 a circuit on the base and a second electric connection point connected with the frame, and the second electric connection point is electrically connected with an internal circuit of the frame. The first coil arranged in the base is used for driving the frame to move along the direction perpendicular to the optical axis in cooperation with the magnet arranged in the frame when the power is on. The carrier is provided with a second coil, and the second coil is used for driving the carrier to move along the direction of the optical axis in cooperation with the magnet when the second coil is electrified. The base is provided with a first insulating part, the carrier is provided with a second insulating part, and the elastic sheet is also 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 application enable the optical element to be moved and reset in three axes.

Description

Optical element driving device

Technical Field

The embodiment of the application 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 photographing or video recording functions. Some electronic devices with photographing or video recording function are provided with a lens driving module to drive an optical component such as a lens to move so as to achieve the functions of automatic focusing and optical hand shake prevention.

When a user uses an electronic device equipped with a lens module, a shaking situation may occur, so that the influence shot by the lens module is blurred. However, there is an increasing demand for image quality, so that the driving function of the lens module (optical element) is increasingly important, and a driving device of the lens module is required to be capable of driving the lens to move along three axes.

Disclosure of Invention

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

To solve the above-mentioned technical problem, an embodiment of the present application provides an optical element driving device, including: the device comprises a base, a frame, a carrier, an upper reed, a lower reed and a spring piece, wherein the carrier, the upper reed, the lower reed and the spring piece are movably sleeved in the frame, the upper reed and the lower reed are both 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 a circuit on the base and a second electric connection point connected with the frame, and the second electric connection point is electrically connected with an internal circuit of the frame;

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

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

the base is provided with a first insulating part, the carrier is provided with a second insulating part, and the elastic sheet is also 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.

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 is required to be driven, the built-in circuit of the base is electrified, and then the first coil arranged on the base is matched with the magnet after being electrified, the driving frame moves along the direction perpendicular to the optical axis, the carrier moves along the direction perpendicular to the optical axis along with the frame, and the optical element also moves along the direction perpendicular to the optical axis along with the carrier. Meanwhile, the spring plate transmits current to the built-in circuit on the frame, then the upper reed transmits current to the built-in circuit of the carrier, the built-in circuit of the carrier is connected with the second coil outside the carrier, so that power supply to the second coil is realized, 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 the optical element also moves along the direction of the optical axis along with the carrier. According to the optical element driving device provided by the embodiment of the application, the triaxial driving of the optical element is realized, in addition, the base, the frame and the carrier are connected through the elastic sheet, the reset operation of the frame and the carrier can be realized, the upper reed and the lower reed are both connected with the frame and the carrier, and the reset operation of the carrier along the optical axis direction is also realized. In addition, through setting up first insulating part and first insulating connecting plate on base and shell fragment correspondingly, through setting up second insulating part and second insulating connecting plate on carrier and shell fragment correspondingly, let can not be through shell fragment direct electrical connection between base and the carrier, 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, realize the reset to the carrier to cooperation between each structure lets this device motion more reliable.

In an 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 piece is a second damping block, and the second insulating connecting plate is a second plug-in piece for being inserted into the second damping block.

In one embodiment, the elastic sheet has a first elastic portion, a second elastic portion, and an intermediate portion connecting the first elastic portion and the second elastic portion; and the first elastic part and the second elastic part are matched with the appearance of the frame;

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

In an embodiment, the first elastic portion and the second elastic portion are vertically arranged, and the middle portion is horizontally arranged.

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, and the vertical segments are sequentially arranged at intervals along the 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.

In an embodiment, the first elastic portion is provided with a hollowed hole.

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

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

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

In an embodiment, the second electrical connection point is located at an end of the first extension portion near the first elastic portion, and the first insulating connection plate is located at an end of the first extension portion far away from the first elastic portion.

In an embodiment, the outer side of the frame is provided with a step part protruding outwards, 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 an embodiment, the elastic sheets are multiple and are arranged around the periphery of the frame.

In an embodiment, the elastic sheets are four and are symmetrically arranged in pairs.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.

FIG. 1 is an exploded view of an optical element driving device according to one embodiment of the present application;

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

FIG. 3 is a schematic view of the structure of a base according to an embodiment of the present application;

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

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

FIG. 6 is a schematic diagram of the cooperation of the base, the lower spring, the frame and the spring according to one embodiment of the present application;

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

FIG. 8 is a schematic structural view of a frame according to one embodiment of the present application;

FIG. 9 is a schematic view of a base from another perspective in accordance with one embodiment of the present application;

FIG. 10 is a schematic diagram of the structure of another view of the carrier of one embodiment of the present application;

FIG. 11 is a schematic view of the bottom structure of a frame of one embodiment of the present application;

figure 12 is a schematic view of the structure of a lower reed according to one embodiment of the present application;

figure 13 is a schematic view of the structure of the upper reed according to one embodiment of the present application.

Reference numerals:

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

2. a frame; 21. a magnet; 22. a step portion; 23. a limit area; 24. a magnet groove; 25. a limit groove; 26. a spring plate connecting point; 27. a lower reed connecting 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 limit protrusion; 34. a top collar; 35. a bottom collar; 36. a top protrusion; 37. a bottom bulge;

4. an upper reed; 41. a second frame connecting piece; 42. a second inner ring; 43. a second spring wire; 44. a second carrier connection pad;

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 pad;

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 portion; 651. a hollowed hole; 652. a first extension; 66. a second elastic part; 661. an upper horizontal section; 662. a vertical section; 663. a lower horizontal section; 664. a second extension; 67. an intermediate portion;

7. an optical element.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of the embodiments of the present application will be given with reference to the accompanying drawings. However, those of ordinary skill in the art will understand that in various embodiments of the present application, numerous technical details have been set forth in order to provide a better understanding of the present application. However, the claimed application may be practiced without these specific details and with various changes and modifications based on the following embodiments.

In the following description, for the purposes of explanation of 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 an embodiment may be practiced without one or more of the specific details. In other instances, well-known devices, structures, and techniques associated with the present application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Throughout the specification and claims, unless the context requires otherwise, the word "comprise" and variations such as "comprises" and "comprising" will be understood to be open-ended, meaning of inclusion, i.e. to be interpreted to mean "including, but not limited to.

The following detailed description of various embodiments of the present application will be provided in connection with the accompanying drawings to provide a clearer understanding of the objects, features and advantages of the present application. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the application, but rather are merely illustrative of the true spirit of the application.

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, 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 clarity of presentation of the structure and manner of operation of the present application, the description will be made with the aid of directional terms, but such terms as "forward," "rearward," "left," "right," "outward," "inner," "outward," "inward," "upper," "lower," etc. are to be construed as convenience, and are not to be limiting.

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

As shown in fig. 1, 2, 3, 4 and 9, an optical element 7 driving device according to an embodiment of the present application includes: the base 1, the frame 2, the carrier 3 movably sleeved in the frame 2, the upper reed 4, the lower reed 5 and the spring plate 6. The upper reed 4 and the lower reed 5 are both connected with the frame 2 and the carrier 3, and the elastic sheet 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 movable in a direction perpendicular to the optical axis. The base 1 is provided with a first insulating member 11, the carrier 3 is provided with a second insulating member 31, and the spring plate 6 is further provided with a first insulating connecting plate 63 connected with the first insulating member 11 and a second insulating connecting plate 64 connected with the second insulating member 31. The base 1 is internally provided with a first coil 12, the frame 2 is internally provided with a magnet 21, and the first coil 12 is used for driving the frame 2 to move along the direction perpendicular to the optical axis in cooperation with the magnet 21 when being electrified. The carrier 3 is provided with a second coil 32, and the second coil 32 is used for driving the carrier 3 to move along the direction of the optical axis in cooperation with the magnet 21 when the power is supplied. The spring plate 6 has a first electrical connection point 61 electrically connected with the circuit on the base 1, and a second electrical connection point 62 connected with the frame 2, and the second electrical connection point 62 is electrically connected with the built-in circuit of the frame 2. Wherein the first electrical connection point 61 and the second electrical connection point 62 are solder lands. The first electrical connection point 61 is connected to the connection protrusion 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 the built-in circuit of the base 1 through the line pin 13. The ground of the base 1 may also be provided with a first position sensor 15, 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 to monitor the position of the 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 an upper end of the base 1, and a magnet groove 24 is provided inside an end wall of the frame 2 for mounting the magnet 21.

In addition, as shown in fig. 8 and 10, the inner side of the frame 2 may be further provided with a limit groove 25, and the limit groove 25 cooperates with a limit protrusion 33 on the outer side of the carrier 3 to limit the range of longitudinal movement of the carrier 3. The inner side wall 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, the magnet 21 corresponds to the position of the second position sensor 29, and position monitoring of the movement of the carrier 3 along the optical axis direction by the second position sensor 29 can be achieved.

As shown in fig. 5 and 11, the bottom end of the frame 2 may be provided with a spring connection point 26, where the spring connection point 26 is used for connecting with the spring 6. And the bottom end of the frame 2 is further provided with a lower reed attachment point 27, the lower reed attachment point 27 being for attachment to the lower reed 5. The top end of the frame 2 is provided with an upper reed attachment point 28, the upper reed attachment point 28 being for attachment to the upper reed 4. The connection mode can be welding, and one skilled in the art can set the connection mode according to actual needs.

As shown in fig. 12 and 13, the upper reed 4 is similar in structure to the lower reed 5. Specifically, the lower reed 5 includes: a first frame connection piece 51, a first inner ring 52, a first wire spring 53, a first carrier connection piece 54. The upper reed 4 includes: a second frame connection piece 41, a second inner ring 42, a second wire spring 43, a second carrier connection piece 44. The second inner ring 42 is connected to the top collar 34 on the upper end surface of the carrier 3, and the first inner ring 52 is connected to the bottom collar 35 on the lower end surface of the carrier 3. The design of the top convex ring 34 and the bottom convex ring 35 can ensure the connecting effect of the upper reed 4 and the lower reed 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 end surface of the carrier 3 and the first carrier web 54 is connected to the bottom projection 37 on the lower end surface of the carrier 3. The first frame connection piece 51 is connected to the lower reed connection point 27 and the second frame connection piece 41 is connected to the upper reed connection point 28.

When in use, the driving device of 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, and then the first coil 12 arranged on the base 1 is matched with the magnet 21 after being electrified, the driving frame 2 moves along the direction perpendicular to the optical axis, the carrier 3 moves along the direction perpendicular to the optical axis along with the frame 2, and the optical element 7 also moves along the direction perpendicular to the optical axis along with the carrier 3. At the same time, the spring plate 6 transmits current to the built-in circuit on the frame 2, and then the upper spring plate 4 transmits current to the built-in circuit of the carrier 3, 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. According to the driving device for the optical element 7, which is provided by the embodiment of the application, the triaxial 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 reed 4 and the lower reed 5 are connected with the frame 2 and the carrier 3, so that the reset operation of the carrier 3 along the optical axis direction is also realized. In addition, through corresponding first insulating part 11 and first insulating connecting plate 63 that set up on base 1 and shell fragment 6, through corresponding second insulating part 31 and second insulating connecting plate 64 that set up on carrier 3 and shell fragment 6, realize insulating effect, this is because base 1 and shell fragment 6, carrier 3 and shell fragment 6 do not all need to 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, realize resetting to the carrier, thereby the 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 the mounting groove of setting in carrier 3 bottom, and first damping piece can be set up to the mounting groove that is located base 1 upper end, and this kind of setting can be installed and play insulating effect, and the skilled person can set up according to actual need.

As shown in fig. 2 and 5, the elastic piece 6 includes a first elastic portion 65, a second elastic portion 66, and an intermediate portion 67 connecting the first elastic portion 65 and the second elastic portion 66, which are surrounded by the frame 2. 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 connecting point 62 are located on one side of the first elastic portion 65 facing away from the second elastic portion 66, and the first electrical connecting point 61 is located on one side of the second elastic portion 66 facing away from the first elastic portion 65. Those skilled in the art can make the settings according to actual needs.

Preferably, as shown in fig. 2, the first elastic portion 65 and the second elastic portion 66 are disposed vertically, i.e., along the optical axis direction. The intermediate portion 67 is disposed horizontally, i.e., in a direction perpendicular to the optical axis. Those skilled in the art can make the settings 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. By this arrangement, the elastic performance of the spring 6 can be improved to the greatest extent, and the weight can be reduced, and the person skilled in the art can set the spring according to actual needs. It should be understood that each second elastic portion 66 is not limited to providing three upper horizontal segments 661, six vertical segments and two lower horizontal segments 663, and those skilled in the art need only implement the upper horizontal segments 661, the vertical segments, and the lower horizontal segments 663 in order end to end without departing from the scope of the present application.

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

In addition, as shown in fig. 2, the bottom end of the 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 direction of the frame 2, and the first extending portion 652 at least partially extends into the area enclosed by the frame 2. The first insulating connecting plate 63 and the second electrical connecting plate 62 are located on the first extension 652, and the second insulating connecting plate 64 is located on the first extension 652 so as to extend at least partially into the area surrounded by the frame 2. The bottom end of one side of the second elastic portion 66 away from the first elastic portion 65 is bent to extend out of the second extension portion 664, and the first electrical connection point 61 is disposed on the second extension portion 664. Those skilled in the art can make the settings according to actual needs.

Preferably, as shown in fig. 2, the second electrical connection point 62 is located at an end of the first extension portion 652 near the first elastic portion 65, and the first insulation connection plate 63 is located at an end of the first extension portion 652 far from the first elastic portion 65. This arrangement facilitates welding and machining, and can be set by those skilled in the art according to actual needs.

In addition, as shown in fig. 7 and 8, the outer side of the frame 2 has a stepped portion 22 protruding outward, and the stepped portion 22 is spaced apart from the base 1 to form a limit region 23 in which the first elastic portion 65 and the second elastic portion 66 are embedded. By means of the arrangement, the structure is compact, the existing area is used for limiting the position of the elastic sheet 6, the elastic sheet 6 is convenient to install, and the arrangement can be carried out according to actual needs by a person skilled in the art.

As shown in fig. 2 and 5, the elastic pieces 6 are provided around the outer periphery of the frame 2 in four ways. It should be understood that the spring 6 is not limited to four, and those skilled in the art may set 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, which has reasonable arrangement structure, and can be arranged according to actual needs by those skilled in the art.

While the preferred embodiments of the present application 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 of carrying out the application and that various changes in form and details may be made therein without departing from the spirit and scope of the application.

Claims

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

the base is provided with a first insulating piece, the carrier is provided with a second insulating piece, and the elastic sheet is also 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;

the elastic piece is provided with a first elastic part, a second elastic part and a middle part, wherein the first elastic part and the second elastic part are surrounded outside the frame; and the first elastic part and the second elastic part are matched with the appearance of the frame;

the first insulating connecting plate, the second insulating connecting plate and the second electric connecting point are positioned on one side of the first elastic part, which is away from the second elastic part, and the first electric connecting point is positioned on one side of the second elastic part, which is away from the first elastic part;

the first elastic part and the second elastic part are vertically arranged, and the middle part is horizontally arranged;

the second elastic part is provided with a plurality of upper horizontal sections, a plurality of vertical sections and a plurality of lower horizontal sections, wherein the vertical sections are sequentially arranged at intervals along the length direction of the second elastic part, and the upper horizontal sections, the vertical sections and the lower horizontal sections are sequentially connected end to end.

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

3. The optical element driving device according to claim 1, wherein the first elastic portion is provided with a hollowed hole.

4. The optical element driving device according to claim 1, wherein a bottom end of a side of the first elastic portion facing away from the second elastic portion is bent to extend a first extension portion, and the first extension portion extends toward the frame, and the first extension portion extends at least partially into an area enclosed by the frame;

5. The optical element driving device according to claim 4, wherein the second electrical connection point is located at an end of the first extension portion near the first elastic portion, and the first insulating connection plate is located at an end of the first extension portion far from the first elastic portion.

6. The optical element driving device according to claim 1, wherein the outer side of the frame has an outwardly protruding step portion, the step portion being spaced apart from the base to form a limit region in which the first elastic portion and the second elastic portion are embedded.

7. The optical element driving device according to claim 1, wherein the elastic sheet has a plurality and is disposed around the outer periphery of the frame.

8. The optical element driving device according to claim 7, wherein the spring plates are four and symmetrically arranged in pairs.