CN207867110U - Optical Component Driver Module - Google Patents

Abstract

The utility model provides an optical element drive module, including a moving mechanism, a base, a rings line and be used for driving an electromagnetic drive mechanism that the moving mechanism removed for the base. The movable mechanism comprises an optical element bearing seat, the base comprises a first surface, a second surface and an opening, wherein the second surface faces the optical element bearing seat and is opposite to the first surface, and the opening extends from the first surface to the second surface. The suspension loop wire passes through the opening, and two ends of the suspension loop wire are respectively fixed on the first surface and the movable mechanism.

Description

Optical Component Driver Module

technical field

The utility model relates to an optical element driving module. More specifically, the utility model relates to an optical element driving module with a ring wire.

Background technique

With the development of technology, many electronic devices (such as smart phones or digital cameras) now have the function of taking photos or recording videos. The use of these electronic devices is becoming more and more common, and they are developing towards the direction of convenience and thinner design, so as to provide users with more choices.

The aforementioned electronic device with a camera or video recording function is usually provided with a lens driving module to drive a lens to move along an optical axis, thereby achieving autofocus and/or zoom functions. The light can pass through the aforementioned lens and form an image on a photosensitive module.

In addition, some electronic devices also include components such as ring wires to achieve the purpose of shake compensation. However, when the thickness of the electronic device is reduced in order to make it lighter and thinner, the length of the aforementioned suspension ring wire will be reduced, thereby generating a relatively large pulling force, making it difficult to achieve the aforementioned shake compensation function. Since it is difficult to reduce the wire diameter of the current suspension ring wire, how to solve the aforementioned problems has become an important issue.

Utility model content

The main purpose of the utility model is to provide an optical element driving module to solve the above technical problems.

In order to solve the above existing problems, the utility model provides an optical element driving module, which includes a movable mechanism, a base, a lifting ring wire and an electromagnetic driving mechanism for driving the movable mechanism to move relative to the base. The movable mechanism includes an optical element bearing seat, and the base includes a first surface, a second surface and an opening, wherein the second surface faces the optical element bearing seat and is opposite to the first surface, and the opening extends from the first surface to the second surface. Two surfaces. The suspension ring wire passes through the aforementioned opening, and its two ends are respectively fixed on the first surface and the movable mechanism.

In an embodiment of the present invention, there is a gap between the aforementioned suspension ring wire and the inner wall of the opening.

In an embodiment of the present invention, the aforementioned base has a concave portion, and the distance between a bottom surface of the concave portion and the second surface is smaller than the distance between the first surface and the second surface.

In an embodiment of the present invention, the aforementioned optical element driving module is disposed on a photosensitive module, and at least a part of the photosensitive module is accommodated in the concave portion.

In an embodiment of the present invention, the aforementioned base has a protrusion protruding from the first surface.

In an embodiment of the present invention, the aforementioned protrusions are arranged around the ring wire.

In an embodiment of the present invention, the aforementioned base has a side surface connecting the first surface and the second surface, and one end of the suspension ring wire is located between the side surface and the protrusion.

In an embodiment of the present invention, the aforementioned base further includes a first circuit disposed on the first surface.

In an embodiment of the present invention, the aforementioned base further includes an inner circuit buried in the body and electrically connected to the first circuit.

In an embodiment of the present invention, the first circuit and the inner circuit are formed on the body by insert molding.

In an embodiment of the present invention, the aforementioned first circuit is formed on the body by molding interconnected objects or coating.

In an embodiment of the present invention, the aforementioned first circuit is formed by connecting a metal sheet of the body.

In an embodiment of the present invention, the aforementioned driving module further includes a second circuit disposed on the second surface and electrically connected to the electromagnetic driving mechanism.

The utility model also provides an optical element driving module, which includes a movable mechanism, a base and an electromagnetic driving mechanism for driving the movable mechanism to move relative to the base. The base includes a body and a first insulating layer, wherein the body includes a plurality of metal frames separated from each other, and the thickness of the first insulating layer is less than half of the thickness of the body.

In an embodiment of the present invention, the thickness of the first insulating layer is less than a quarter of the thickness of the main body.

In an embodiment of the present invention, the aforementioned body further includes an extension part extending away from the movable mechanism, and the optical element driving module further includes a ring wire passing through the extension part and connecting the movable mechanism and the base.

In an embodiment of the present invention, the aforementioned base further includes a first isolation element surrounding the extension portion.

In an embodiment of the present invention, the aforementioned first isolation element has a hollow structure, and the base further includes a damping element disposed in the hollow structure.

In an embodiment of the present invention, the aforementioned optical element driving module further includes a position detection element connected to a part of the metal frame of the body.

In an embodiment of the present invention, the aforementioned base further includes a second isolation element surrounding the joint between the position detection element and the body.

In an embodiment of the present invention, the aforementioned base further includes a third isolation element surrounding the aforementioned body.

In an embodiment of the present invention, the aforementioned body further includes an extension portion extending toward the movable mechanism, and the movable mechanism is connected to the extension portion.

In an embodiment of the present invention, the aforementioned base further includes a coil component, and the body is disposed between the coil component and the first insulating layer.

In an embodiment of the present invention, the aforementioned base further includes a second insulating layer, and the second insulating layer is disposed between the coil component and the main body.

In an embodiment of the present invention, the aforementioned base further includes a metal substrate, and the first insulating layer is disposed between the body and the metal substrate.

The advantages and beneficial effects of the optical element driving module provided by the utility model are: the suspension ring line of the optical element driving module extends through the base, so that the suspension ring line can still have a proper tension when the optical element driving module has a relatively low thickness . In addition, the base in the optical element driving module includes a plurality of metal frames, so that the thickness of the base can be reduced, thereby achieving the effect of reducing the thickness of the optical element driving module.

Description of drawings

FIG. 1A is a schematic diagram of an electronic device according to an embodiment of the present invention.

FIG. 1B is a schematic diagram of a lens driving module, an optical element and a photosensitive module in an embodiment of the present invention.

FIG. 2 is an exploded view of a lens driving module according to an embodiment of the present invention.

FIG. 3 is a cross-sectional view of a lens driving module according to an embodiment of the present invention.

FIG. 4A is a schematic diagram of a lens driving module according to another embodiment of the present invention.

FIG. 4B is a schematic diagram of the combination of the lens driving module and the photosensitive module shown in FIG. 4A .

FIG. 5 is a schematic diagram of a lens driving module according to another embodiment of the present invention.

FIG. 6 is a schematic diagram of a lens driving module according to another embodiment of the present invention.

7A and 7B are schematic diagrams of a lens driving module according to another embodiment of the present invention.

FIG. 7C is a schematic diagram of a lens driving module according to another embodiment of the present invention.

FIG. 8A is a schematic diagram of a base according to another embodiment of the present invention.

Fig. 8B is an exploded view of the base of another embodiment of the present invention.

Fig. 8C is a schematic diagram of the first isolation element surrounding the ring wire in another embodiment of the present invention.

Fig. 8D is a schematic diagram of the connection between the position detector and the base surrounded by the second isolation element in another embodiment of the present invention.

FIG. 9A is a schematic diagram of a base of another embodiment of the present invention.

Fig. 9B is a schematic diagram of the connection between the third isolation element and the housing.

Fig. 10 is a schematic diagram of the connection between the base and the second elastic element in another embodiment of the present invention.

Explanation of reference signs:

10 Optics driver module

20 electronics

30 optics

100 shell

210 Optics Carrier

211 storage space

212 concave structure

220 frame

221 Containment

222 grooves

230 The first electromagnetic drive assembly

240 Second electromagnetic drive assembly

250 first elastic element

251 inner ring segment

252 outer ring segment

260 second elastic element

261 inner ring segment

262 outer ring segment

300 ring line

400 base

410 Ontology

411 First Surface

412 Second Surface

413 opening

414 Depression

414a Bottom

415 metal frame

416 raised

417 side

418 extension

419 pins

420 First Line

430 Second Line

440 coil assembly

450 inner line

460 First insulating layer

461 opening

470 Second insulating layer

471 openings

480 metal substrate

500 position detector

B1 first isolation element

B2 Second isolation element

B3 third isolation element

O1 optical hole

O2 optical hole

D damping element

G Solder or glue

R Solder

S photosensitive module

Detailed ways

The optical element driving module of the embodiment of the present invention will be described below. It should be readily appreciated, however, that embodiments of the invention provide many suitable inventive concepts that can be implemented in a wide variety of specific contexts. The disclosed specific embodiments are only used to illustrate the use of the utility model in a specific way, and are not intended to limit the scope of the utility model.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art of this disclosure. It is understood that these terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning consistent with the background or context of the related art and the present disclosure, rather than in an idealized or overly formal manner Interpretation, unless specifically defined herein.

First, please refer to FIG. 1A and FIG. 1B together. The optical element driving module 10 of an embodiment of the present invention can be installed in an electronic device 20 to carry an optical element 30 (such as a lens), and drive the aforementioned optical element 30 It can be moved relative to the photosensitive module S in the electronic device 20 to achieve the purpose of adjusting focus and compensating for shaking. The aforementioned electronic device 20 is, for example, a smart phone or a digital camera with a camera or video function. When taking pictures or photographing, light can pass through the optical element 30 , and the photosensitive module S can receive the aforementioned light and form an image.

As shown in FIG. 2 , the aforementioned optical element driving module 10 mainly includes a housing 100 , a movable mechanism 200 , a plurality of lifting ring wires 300 and a base 400 . Wherein, the casing 100 and the base 400 can be combined into a hollow box, and the movable mechanism 200 can be surrounded by the casing 100 and housed in the aforementioned box. The casing 100 and the base 400 have optical holes O1 and O2 corresponding to each other respectively, and light can pass through the optical hole O1 , the optical element 30 and the optical hole O2 in sequence to reach the photosensitive module S.

The movable mechanism 200 includes an optical element bearing seat 210 , a frame body 220 , at least one first electromagnetic driving component 230 , at least one second electromagnetic driving component 240 , a first elastic element 250 and a second elastic element 260 .

The optical element carrying seat 210 has an accommodating space 211 and a concave structure 212, wherein the accommodating space 211 is formed in the center of the optical element carrying seat 210, and the concave structure 212 is formed on the outer wall surface of the optical element carrying seat 210 and surrounding the accommodation space 211 . The aforementioned optical element 30 can be fixed on the optical element bearing seat 210 and accommodated in the accommodating space 211 , while the first electromagnetic driving component 230 can be disposed in the concave structure 212 .

The frame body 220 has a receiving portion 221 and a plurality of grooves 222 . The aforementioned optical element carrier 210 is accommodated in the receiving portion 221 , and the second electromagnetic driving component 240 is fixed in the groove 222 and adjacent to the aforementioned first electromagnetic driving component 230 .

Through the electromagnetic interaction between the first electromagnetic drive assembly 230 and the second electromagnetic drive assembly 240, the optical element carrier 210 and the lens 30 disposed on the optical element carrier 210 can be driven relative to the frame body 220 along the Z axis. direction to move. For example, in this embodiment, the first electromagnetic driving component 230 can be a driving coil surrounding the accommodating space 211 of the optical element carrier 210 , and the second electromagnetic driving component 240 can include at least one magnet. When the current is passed into the driving coil (the first electromagnetic driving assembly 230), an electromagnetic interaction will be generated between the driving coil and the magnet, so that the optical element bearing seat 210 and the lens unit 300 disposed thereon can be driven relative to the frame. The body 220 moves along the Z-axis direction, and then moves relative to the photosensitive module S along the Z-axis direction, so as to achieve the purpose of adjusting the focus.

In some embodiments, the first electromagnetic driving component 230 can be a magnet, and the second electromagnetic driving component 240 can be a driving coil.

As shown in Figure 2, the first elastic element 250 and the second elastic element 260 are respectively arranged on the opposite sides of the optical element bearing seat 210/frame body 220, so that the optical element bearing seat 210/frame body 220 is located between the first elastic element 250 and the second elastic element 250. between the second elastic elements 260 . The inner ring section 251 of the first elastic element 250 is connected to the optical element bearing seat 210 , and the outer ring section 252 of the first elastic element 250 is connected to the aforementioned frame body 220 . Similarly, the inner ring section 261 of the second elastic element 260 is connected to the optical element bearing seat 210 , and the outer ring section 262 of the second elastic element 260 is connected to the frame body 220 . In this way, the optical element bearing seat 210 can be suspended in the receiving portion 221 of the frame body 220 through the first elastic element 250 and the second elastic element 260, and its movement range in the Z-axis direction can also be controlled by the first elastic element 250 and the second elastic element 260. , The second elastic member 250, 260 limits.

Please refer to FIG. 3 , in this embodiment, the base 400 includes a body 410 , a first circuit 420 , a second circuit 430 and a coil assembly 440 . Wherein, the body 410 has a first surface 411 , a second surface 412 and a plurality of openings 413 , the first surface 411 is opposite to the second surface 412 , and the second surface 412 faces the aforementioned optical element bearing seat 210 .

The first circuit 420 and the second circuit 430 are formed on the first surface 411 and the second surface 412 respectively, and can be electrically connected to the photosensitive module S and the coil assembly 440 respectively. Similarly, when the current flows through the coil assembly 440 via the second circuit 430, an electromagnetic interaction will be generated between the coil assembly 440 and the aforementioned second electromagnetic drive assembly 240 (or the first electromagnetic drive assembly 230), so that the optical element bearing seat 210 The frame body 220 moves along the X-axis direction and/or the Y-axis direction relative to the base 400 , and then drives the optical element 30 to move relative to the photosensitive module S along the X-axis direction and/or the Y-axis direction, so as to achieve the purpose of shake compensation.

In some embodiments, the body 410 includes an insulating board, and the first circuit 420 and the second circuit 430 are directly formed on the insulating board by coating or molding an interconnect device (MID). The aforementioned methods of molding interconnected objects are, for example, laser direct structuring (Laser Direct Structuring, LDS), microscopic integrated processing technology (MiPTEC), laser induced metallization technology (Laser Induced Metallization, LIM), laser printing Recombination technology (Laser Restructuring Print, LRP), aerosol jet printing process (Aerosol Jet Process), or double-material injection (Two-shot molding method). In some embodiments, in order to increase the hardness and flatness of the base 400, the body 410 may include a metal plate and an insulating layer disposed on the opposite side of the metal plate, and the first circuit 420 and the second circuit 430 may also be interconnected by coating or molding Objects are directly formed on the aforementioned insulating layer.

Please continue to refer to FIG. 3 , the openings 413 of the body 410 extend from the first surface 411 to the second surface 412 , and the number and positions of the openings 413 correspond to the positions and numbers of the ring wires 300 . The ring wire 300 can extend through the aforementioned opening 413 and be electrically connected to the first circuit 420 , and its two ends are respectively fixed to the first elastic element 250 and the first surface 411 of the body 410 by solder R. Since the length of the loop wire 300 is greater than or equal to the distance between the first elastic element 250 and the base 400 plus the thickness of the base 400, compared with the loop wire in the existing lens drive module, the aforementioned loop wire 300 of the present invention It can have a longer length in a limited space, which is beneficial to reduce the thickness of the optical element driving module 10 .

When the optical element bearing seat 210 and the lens 30 move along the X-axis direction and/or the Y-axis direction, the lifting ring wire 300 can limit the moving range thereof. It should be noted that, as shown in FIG. 3 , there should be a gap between the ring wire 300 and the inner wall of the opening 413 , so as to avoid bending caused by the ring wire 300 contacting the inner wall of the opening 413 when the optical element carrier 210 moves. In addition, since the ring wire 280 includes metal material (such as copper or its alloy, etc.), it can also be used as a conductor. For example, electric current can flow into the first electromagnetic driving assembly 230 through the base 400 and the ring wire 300 .

As shown in FIG. 2 , in this embodiment, the optical element driving module 10 further includes a plurality of position detectors 500 disposed on the base 400 . These position detectors 500 determine the positions of the optical element carrier 210 and the optical element 30 in the X-axis direction and the Y-axis direction by detecting the displacement of the second electromagnetic driving assembly 240 . For example, the aforementioned position detector 500 may include a Hall effect sensor (Hall Sensor), a magnetoresistance effect sensor (Magnetoresistance Effect Sensor, MR Sensor), a giant magnetoresistance effect sensor (Giant Magnetoresistance Effect Sensor, GMRSensor) ), a tunneling magnetoresistance effect sensor (Tunneling Magnetoresistance Effect Sensor, TMRSensor), or a magnetic flux sensor (Fluxgate).

Please refer to FIG. 4A. In another embodiment of the present invention, the body 410 of the base 400 also has a recessed portion 414, and the distance between the bottom surface 414a of the recessed portion 414 and the second surface 412 is smaller than the first surface 411 and the second surface 412. The distance between the two surfaces 412 . It should be noted that the distance between the bottom surface 414a and the second surface 412 in this embodiment is approximately equal to the distance between the first surface 411 and the second surface 412 in the embodiment shown in FIGS. 1A to 3 , therefore , the length of the ring wire 300 in this embodiment can be further increased.

Furthermore, as shown in FIG. 4B, when the optical element driving module 10 is connected to the photosensitive module S, at least a part of the photosensitive module S can be accommodated in the aforementioned recess 414, so the overall thickness of the optical element driving module 10 and the photosensitive module S It does not increase, which is beneficial to the miniaturization of the electronic device 20 .

Please refer to Fig. 5, in another embodiment of the present utility model, the body 410 of the base 400 also includes a side 417 and at least one protrusion 416, wherein the aforementioned side 417 connects the first surface 411 and a second surface 412, and the protrusion The protrusion 416 protrudes from the first surface 411 and is disposed around the ring wire 300 . One end of the lifting ring wire 300 fixed on the first surface 411 is located between the aforementioned side surface 417 and the protrusion 416, so that when the lifting ring wire 300 is fixed, the solder R flows to the center of the base 400 (or in the concave portion 414), thereby avoiding When the optical element driving module 10 is connected to the photosensitive module S, the photosensitive module S contacts the aforementioned solder R, resulting in a short circuit.

Please refer to FIG. 6 , in another embodiment of the present invention, the base 400 further includes an inner circuit 450 embedded in the body 410 . The first circuit 420 and the inner circuit 450 are formed on the body 410 by insert molding, and the inner circuit 450 is electrically connected to the second circuit 430 .

As shown in FIGS. 7A to 7C , in some embodiments of the present invention, the first circuit 420 can be formed by a metal sheet connected to the body 410 , while the second circuit 430 can be a flexible printed circuit board connected to the body 410 (Flexible Printed Circuit, FPC). In some embodiments, the first circuit 420 and the second circuit 430 may be formed by respectively disposing flexible printed circuit boards on opposite sides of the body 410 . In some embodiments, the body 410 has a metal material and an insulating layer, and the insulating layer is disposed on the surface of the metal material, and the first circuit 420 and the second circuit 430 can be disposed on the insulating layer of the body 410 .

Please refer to FIG. 8A and FIG. 8B. In order to reduce the thickness of the optical element driving module 10, in another embodiment of the present utility model, the base 400 may include a body 410, a coil assembly 440, a first insulating layer 460, a first Two insulating layers 470, a metal substrate 480, at least one first isolation element B1 and at least one second isolation element B2.

The aforementioned body 410 is composed of a plurality of metal frames 415 separated from each other, and has a plurality of extensions 418 and a plurality of pins 419 . Wherein, the extension portion 418 is the four corners of the body 410 , extending away from the moving mechanism 200 and having an L-shaped cross section. As shown in FIG. 8C , the bottom surface of the extension part 418 may be the first surface 411 , and the surface of the metal frame 415 facing the moving mechanism 200 may be the second surface 412 . The extension part 418 is surrounded by the first isolation element B1 , and one end of the lifting ring wire 300 can pass through the extension part 418 and be fixed on the first surface 411 by solder R.

Through the first isolation element B1, the strength of the extension part 418 can be increased to prevent the extension part 418 from being bent by the pull of the ring wire 300 when the frame body 220 moves relative to the base 400, and it can prevent the overflow of the aforementioned solder R from causing metal A short circuit occurs between frames 415 . In addition, in this embodiment, the first isolation element B1 has a hollow structure, and a damping element D is disposed in the hollow structure to cover part of the suspension loop wire 300 . In this way, the vibration of the hanging ring wire 300 when the frame body 220 moves relative to the base 400 can be reduced.

Please return to FIG. 8A and FIG. 8B , the pin 419 also extends away from the moving mechanism 200 , so it can be adjacent to the photosensitive module S and electrically connected thereto. The aforementioned metal frame 415 is formed on the first insulating layer 460 , and the projected area of the metal frame 415 on the first insulating layer 460 is larger than 50% of the area of the first insulating layer 460 , so the mechanical strength of the base 400 can be improved. In addition, a plurality of openings 461 are formed on the first insulating layer 460 , and the ring wire 300 and the position detector 500 can be connected to the metal frame 415 through these openings 461 .

As shown in FIG. 8D , when the position detector 500 is connected to the metal frame 415 , the second isolation element B2 surrounds the joint between the position detector 500 and the metal frame 415 . Likewise, when the position detector 500 is welded to the metal frame 415 , the solder diffuses out and causes a short circuit between the metal frames 415 .

The second insulating layer 470 is disposed between the coil component 440 and the body 410 . Similar to the first insulating layer 460 , a plurality of openings 471 are formed on the second insulating layer 470 , and the ring wire 300 and the coil assembly 440 can be connected to the metal frame 415 through these openings 471 .

The metal substrate 480 is connected to the first insulating layer 460 , and the first insulating layer 460 is located between the body 410 and the metal substrate 480 . Through the foregoing metal substrate 480 , the flatness of the body 410 can be improved, and the base 400 and the casing 100 can be combined by welding the metal substrate 480 to the casing 100 .

It should be noted that the thickness of the first insulating layer 460 is less than half of the thickness of the main body 410, and the thickness of the second insulating layer 470 is also less than half of the thickness of the main body 410. The base of the circuit, the thickness of the base 400 in this embodiment can be further reduced. In some embodiments, the thicknesses of the first insulating layer 460 and the second insulating layer 470 are respectively less than a quarter of the thickness of the main body 410, for example, the thickness of the main body 410 is between 0.15 mm and 0.20 mm, while the first insulating layer and the second insulating layer The thickness of the second insulating layer 470 is between 0.01mm˜0.03mm.

In some embodiments, the second insulating layer 470 and/or the metal substrate 480 in the base 400 can be omitted as required, so that the thickness of the base 400 can be further reduced. In some embodiments, an insulating material may be filled between the metal frame 415 of the body 410, so that the coil component 440 and/or the second insulating layer 470 may be disposed on the body 410 more flatly, wherein the aforementioned insulating material is different from the first insulating material. 1. Materials of the second insulating layers 460 and 470 .

Referring to FIG. 9A and FIG. 9B , in another embodiment of the present invention, the base 400 may further include a third isolation element B3 surrounding the body 410 of the base 400 . When the base 400 and the housing 100 are combined, the solder or glue G can be located between the third isolation element B3 and the housing 100, thereby increasing the contact area of the solder or glue G, and achieving the effect of preventing the intrusion of foreign matter .

As shown in FIG. 10 , in another embodiment of the present invention, the extension portion 418 of the body 410 can extend toward the moving mechanism 200 to carry components of the moving mechanism 200 , such as the aforementioned second elastic element 260 .

To sum up, the utility model provides an optical element driving module. The lifting ring wire of the optical element driving module is extended through the base, so that the lifting ring wire can still have a proper pulling force when the optical element driving module has a relatively low thickness. In addition, the base in the optical element driving module includes a plurality of metal frames, so that the thickness of the base can be reduced, thereby achieving the effect of reducing the thickness of the optical element driving module.

Although the embodiments of the present invention and their advantages have been disclosed above, it should be understood that those skilled in the art may make changes, substitutions and modifications without departing from the spirit and scope of the present invention. In addition, the protection scope of the present utility model is not limited to the process, machine, manufacture, material composition, device, method and steps in the specific embodiments described in the specification. Those skilled in the art can understand the existing Or the technology, machine, manufacture, composition of matter, device, method and steps developed in the future, as long as they can implement substantially the same function or obtain substantially the same result in the embodiments described here, they can all be used according to the present invention. Therefore, the protection scope of the present utility model includes the above-mentioned process, machine, manufacture, composition of matter, device, method and steps. In addition, each claim constitutes an individual embodiment, and the protection scope of the present invention also includes the combination of each claim and the embodiment.

Although the present invention is disclosed above with the aforementioned preferred embodiments, it is not intended to limit the present invention. Utility model Those skilled in the art may make some changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the present utility model should be defined by the appended claims as the criterion. In addition, each claim constitutes an independent embodiment, and combinations of various claims and embodiments fall within the scope of the present invention.

Claims (13)

1. An optical element drive module, characterized in that, the optical element drive module comprises: A movable mechanism, including an optical element bearing seat; A base, including a body, and the body has a first surface, a second surface and an opening, wherein the second surface faces the optical element bearing seat and is opposite to the first surface, and the opening is formed by the first surface the surface extends to the second surface; a ring wire passing through the opening, and the two ends of the ring wire are respectively fixed to the first surface and the movable mechanism; and An electromagnetic driving mechanism is used to drive the movable mechanism to move relative to the base. 2 . The optical element driving module according to claim 1 , wherein there is a gap between the lifting ring wire and the inner wall of the opening. 3 . 3. The optical element driving module according to claim 1, wherein the base has a concave portion, and the distance between a bottom surface of the concave portion and the second surface is smaller than that between the first surface and the second surface distance between surfaces. 4 . The optical element driving module according to claim 3 , wherein the optical element driving module is disposed on a photosensitive module, and at least a part of the photosensitive module is accommodated in the concave portion. 5. The optical element driving module as claimed in claim 1, wherein the base has a protrusion protruding from the first surface. 6. The optical element driving module as claimed in claim 5, wherein the protrusion is disposed around the ring wire. 7. The optical element driving module according to claim 5, wherein the base has a side connecting the first surface and the second surface, and one end of the suspension ring wire is located between the side and the protrusion . 8. The optical element driving module according to claim 1, wherein the base further comprises a first circuit disposed on the first surface. 9 . The optical element driving module according to claim 8 , wherein the base further comprises an internal circuit embedded in the body and electrically connected to the first circuit. 10. The optical element driving module according to claim 9, wherein the first circuit and the inner circuit are formed on the body by insert molding. 11 . The optical element driving module according to claim 8 , wherein the first circuit is formed on the body by molded interconnection or coating. 12. The optical element driving module as claimed in claim 8, wherein the first circuit is formed by connecting a metal sheet of the body. 13 . The optical element driving module according to claim 1 , further comprising a second circuit disposed on the second surface and electrically connected to the electromagnetic driving mechanism. 14 .