WO2021068208A1

WO2021068208A1 - Camera module and electronic device

Info

Publication number: WO2021068208A1
Application number: PCT/CN2019/110654
Authority: WO
Inventors: 王伟
Original assignee: 南昌欧菲光电技术有限公司
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2021-04-15

Abstract

Disclosed is a camera module (100), comprising a lens assembly (1); a light steering assembly (2) opposite the lens assembly (1) and used for steering light by a certain angle so as to enable the light to be emitted to the lens assembly (1); a photosensitive assembly (3) located at an end of the lens assembly (1) that is away from the light steering assembly (2), and used for receiving the light emitted from the lens assembly (1); a first anti-shake assembly (4) connected to the light steering assembly (2) and used for driving the light steering assembly (2) to move so as to compensate for the shaking of the camera module (100) in the first direction; and a second anti-shake assembly (5) connected to the photosensitive assembly (3) and used for driving the photosensitive assembly (3) to move so as to compensate for the shaking of the camera module (100) in the second direction. The first direction is the direction in which the light is emitted into the light steering assembly (2), the first direction is perpendicular to the second direction, and a plane formed by the first direction and the second direction is perpendicular to the optical axis direction of the lens assembly (1).

Description

Camera module and electronic equipment

Technical field

The present invention relates to the field of imaging technology, in particular to a camera module and electronic equipment.

Background technique

In order to avoid increasing the thickness of mobile phones, the current long focal length camera modules used in mobile phones are all periscope camera modules, that is, the direction of light propagation is changed through light steering components such as prisms, so that components such as lenses, photosensitive components, etc. Horizontally arranged in the mobile phone case. At present, in order to achieve optical image stabilization, most of them are achieved by driving the lens to move in the X-axis direction and the Y-axis direction by the anti-shake component. This will not only increase the energy consumption of the anti-shake component, but also require the anti-shake component to have a higher The degree of integration makes it difficult to assemble the anti-shake component.

Summary of the invention

According to various embodiments of the present application, a camera module and electronic equipment are provided.

A camera module includes: a lens assembly; a light steering assembly, opposite to the lens assembly, for steering light to a certain angle so that the light is directed toward the lens assembly; a photosensitive assembly located far away from the lens assembly One end of the light turning assembly is used to receive the light transmitted from the lens assembly; the first anti-shake assembly is connected with the light turning assembly and is used to drive the light turning assembly to move to compensate for the camera The jitter of the module in the first direction; the second anti-shake component, connected with the photosensitive component, is used to drive the photosensitive component to move to compensate for the jitter of the camera module in the second direction; wherein, The first direction is the direction in which light enters the light turning assembly, the first direction is perpendicular to the second direction, and the plane formed by the first direction and the second direction is connected to the lens assembly The direction of the optical axis is vertical.

An electronic device includes the camera module as described in any one of the above.

The details of one or more embodiments of the present invention are set forth in the following drawings and description. Other features, objects and advantages of the present invention will become apparent from the description, drawings and claims.

Description of the drawings

In order to better describe and explain the embodiments and/or examples of those inventions disclosed herein, one or more drawings may be referred to. The additional details or examples used to describe the drawings should not be considered as limiting the scope of any of the disclosed inventions, the currently described embodiments and/or examples, and the best mode of these inventions currently understood.

FIG. 1 is a schematic diagram of the internal structure of a camera module provided by an embodiment of the present invention;

2 is a schematic diagram of a light propagation path of a camera module provided by an embodiment of the present invention;

3 is a schematic structural diagram of a light steering component of a camera module provided by an embodiment of the present invention;

FIG. 4 is a schematic diagram of the light steering assembly of the camera module and the connecting base provided by an embodiment of the present invention.

Detailed ways

In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, many specific details are explained in order to fully understand the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific implementation disclosed below.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or a central element may also be present. When an element is considered to be "connected" to another element, it can be directly connected to the other element or an intermediate element may be present at the same time.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field of the present invention. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention.

As shown in FIG. 1, in this embodiment, the camera module 100 includes a lens assembly 1, a light steering assembly 2, a photosensitive assembly 3, a first anti-shake assembly 4 and a second anti-shake assembly 5. Among them, the light turning assembly 2 is used to turn the light to a certain angle so that the light can be directed to the lens assembly 1. The photosensitive assembly 3 is located at the end of the lens assembly 1 away from the light turning assembly 2 and is used to receive the light transmitted from the lens assembly 1. For imaging. That is, the camera module 100 provided in this embodiment is a periscope camera module, and the length of the camera module 100 is increased in the direction of the optical axis of the lens assembly 1 without affecting the thickness of the camera module 100, which is beneficial to the camera module. Group 100 long focal length design. For example, a lens with a focal length of 200 mm or more may have a thickness of about 6 mm, which does not increase the thickness of the electronic device using the camera module 100 too much.

In this embodiment, the first anti-shake assembly 4 is connected to the light steering assembly 2 to drive the light steering assembly 2 to move, so as to compensate for the jitter of the camera module 100 in the first direction, so as to realize the movement in the first direction. The camera module 100 is optically stabilized. The second anti-shake component 5 is connected to the photosensitive component 3, and is used to drive the photosensitive component 3 to move to compensate for the shaking of the camera module 100 in the second direction, thereby realizing the optical operation of the camera module 100 in the second direction. Anti-shake.

Wherein, in this embodiment, the first direction is the direction in which the light enters the light turning assembly 2, the first direction is perpendicular to the second direction, and the plane formed by the first direction and the second direction is the direction of the optical axis of the lens assembly 1. vertical. As shown in FIGS. 1 and 2, in this embodiment, the direction of the optical axis of the lens assembly 1 is defined as the Z-axis direction, the first direction is the Y-axis direction, and the second direction is the X-axis direction.

In this embodiment, the light steering assembly 2 moves in the Y-axis direction to achieve anti-shake in the Y-axis direction, which mainly means that the light steering assembly 2 is tilted in the Y-axis direction, that is, the light steering assembly 2 is tilted toward the lens assembly 1, that is, The light turning assembly 2 rotates around the X axis. The photosensitive component 3 moves in the X-axis direction to achieve anti-shake in the X-axis direction, which mainly means that the photosensitive component 3 is inclined in the X-axis direction, that is, the photosensitive component 3 rotates around the Y-axis.

In this embodiment, the optical image stabilization of the camera module 100 is realized by driving the photosensitive assembly 3 and the light steering assembly 2. Compared with directly driving the lens assembly 1 for optical image stabilization, the weight of the load can be reduced, thereby reducing the optical image stabilization. The energy consumed by anti-shake. In addition, due to the small size of the camera module 100 itself, if the anti-shake components used to achieve anti-shake in the X-axis and Y-axis directions of the camera module 100 are assembled together, it will increase the difficulty of assembly. In this embodiment, the optical image stabilization in the X-axis and Y-axis directions of the camera module 100 is separately arranged, that is, the optical image stabilization in the Y-axis direction drives the light steering assembly 2 to move through the first anti-shake assembly 4 In this way, the optical anti-shake in the X-axis direction is realized by the second anti-shake assembly 5 driving the light steering assembly 2 to move, which can reduce the difficulty of assembly.

As shown in FIGS. 1 and 2, in this embodiment, the camera module 100 further includes a housing 6, a lens assembly 1, a light steering assembly 2, a photosensitive assembly 3, a first anti-shake assembly 4, and a second anti-shake assembly 5. Equals are arranged in the housing 6, through the housing 6, the light can only enter the lens module from the light turning assembly 2, and the photosensitive assembly 3 can only receive the light transmitted from the lens assembly 1. As shown in FIG. 2, in this embodiment, the housing 6 is provided with an opening 61, and the light turning assembly 2 is exposed from the gap so that the light outside the housing 6 enters the light turning assembly 2.

In this embodiment, the housing 6 is mainly to provide a light-shielding environment. In other embodiments, the housing 6 can also be omitted, as long as the lens assembly 1, the light steering assembly 2, the photosensitive assembly 3, and the first anti-shake assembly can be ensured. 4 and the second anti-shake assembly 5 and other components after assembly meets the following conditions: the light received by the photosensitive assembly 3 can only be transmitted from the lens assembly 1, and the light transmitted from the lens assembly 1 can only be from the light The steering assembly 2 is passed in.

In this embodiment, the camera module 100 can not only perform anti-shake in the X-axis and Y-axis directions, but also achieve focusing in the Z-axis direction. Specifically, as shown in FIG. 1, in this embodiment, the lens assembly 1 includes a mounting base 11, a guide rail 12, a slider 13, a lens 14 and a driving module 15. Among them, the mounting base 11 is provided in the housing 6; the guide rail 12 is fixed on the mounting base 11, and its length direction is parallel to the Z axis; the slider 13 matches the guide rail 12, is mounted on the guide rail 12, and can slide along the guide rail 12; The lens 14 is fixed on the slider 13, where the optical axis of the lens assembly 1 actually refers to the optical axis of the lens 14; the drive module 15 is connected to the slider 13, and is used to drive the slider 13 to move, thereby driving the lens 14 in Movement in the third direction (that is, in the direction of the Z axis) to achieve the focus of the lens 14. In addition, the lens assembly 1 can have an ultra-long focusing stroke through this arrangement, and the stroke can reach more than 600um.

In this embodiment, the drive module 15 is a motor drive module, which includes a motor 151 and a transmission mechanism 152 connecting the motor 151 and the slider 13. Specifically, the motor 151 is a stepping motor, and the transmission mechanism 152 is a screw drive mechanism. , The motor 151 is fixed on the mounting base 11, the screw 1521 of the screw drive mechanism is connected with the main shaft of the stepping motor, and the nut 1522 of the screw drive mechanism is connected with the slider 13.

In other embodiments, the motor 151 may also be a servo motor, a piezoelectric motor, an electromagnetic motor, a MEMS micro motor, etc., and the transmission mechanism 152 may also be a worm gear transmission mechanism, a rack and pinion transmission mechanism, and the like. In addition, in other embodiments, the mounting base 11 may also be integrally provided with the housing 6, that is, the mounting base 11 is a part of the structure of the housing 6.

As shown in Figure 1, in this embodiment, a first permanent magnet 7a is installed on the lens 14, and a first magnetic sensor 8a is installed on the mounting base 11. The change in the magnetic field of the permanent magnet 7a determines the movement distance of the lens 14 on the Z axis. The detection result of the first magnetic sensor 8a can be used as feedback information, so as to make the displacement of the lens 14 driven by the stepping motor more accurate.

In this embodiment, the first permanent magnet 7a is a magnet, and its N-pole to S-pole direction may be parallel to the Z-axis direction. In addition, the first magnetic sensor 8a may be a Hall sensor. It is understandable that in other embodiments, the first magnetic sensor 8a may be arranged on the lens 14 and the first permanent magnet 7a may be arranged on the mounting seat 11.

As shown in Figures 3 and 4, in this embodiment, the light redirecting assembly 2 includes a triangular prism 21. The triangular prism 21 has five surfaces. The two perpendicular surfaces are the light-incident surface 211 and the light-emitting surface 212, respectively. The two parallel surfaces are both side surfaces 213, and the inclined surface is the reflective surface 214.

In this embodiment, the light-incident surface 211 is initially perpendicular to the Y-axis direction; the light-emitting surface 212 is opposite to the lens assembly 1, and two side surfaces 213 and the reflective surface 214 are provided with light shielding layers to prevent light from entering the prism from these three surfaces Inside, the reflective surface 214 is also provided with a reflective layer to reflect the light entering from the incident surface and make it emerge from the light-emitting surface 212. In this embodiment, the light can be turned by 90 degrees through the triangular prism 21 and then directed toward the lens assembly 1. In other embodiments, the triangular prism 21 can also be replaced with other prisms or a plane mirror and other light redirectors capable of changing the propagation route of light. In addition, in other embodiments, the light turning assembly 2 may also turn the light to other angles and then transmit it to the lens assembly 1.

As shown in FIGS. 1 and 4, in this embodiment, the first anti-shake assembly 4 includes a connecting seat 41, a first magnetic unit 42 and a second magnetic unit 43. Wherein, the connecting seat 41 is installed in the housing 6, and the housing 6 may be integrally formed, or it may be integrally formed with the mounting seat 11, or the connecting seat 41, the mounting seat 11, and the housing 6 are integrally formed. The light turning assembly 2 is rotatably arranged on the connecting seat 41, and its rotation direction is the direction of rotation around the X axis. Specifically, the connecting seat 41 is provided with two supporting rods 411 arranged at intervals, the supporting rods 411 are provided with mounting holes 412, and the mounting holes 412 on the two supporting rods 411 are arranged oppositely.

As shown in Figure 1, in this embodiment, in addition to the prism 21, the light steering assembly 2 also includes a rotating shaft 22 and a bearing 23. The bearings 23 are respectively mounted on both ends of the rotating shaft 22, and the prism 21 is fixed on the rotating shaft. 22, and located between the two bearings 23, of which the two bearings 23 are opposite to the two side surfaces 213 of the triangular prism 21, respectively. The two bearings 23 are respectively installed in the two mounting holes 412 to realize the rotational connection between the light steering assembly 2 and the connecting seat 41.

In addition, the first magnetic unit 42 is connected with the light turning assembly 2 and can move synchronously with the light turning assembly 2; The magnetic unit 42 has the same or opposite magnetism to drive the light steering assembly 2 to move in the first direction; wherein, the first magnetic unit 42 is a permanent magnet, and the second magnetic unit 43 is an electromagnetic unit. The electromagnetic unit can be an electromagnetic coil or the like. Components that generate a magnetic field when energized. When it is detected that the camera module 100 is jittered on the Y axis, the second magnetic unit 43 is controlled to be energized by the corresponding control device to generate a magnetic field that is the same as or opposite to the magnetic field of the first magnetic unit 42, and then drives the prism 21 to rotate. The camera module 100 is stabilised by light in the Y-axis direction. It is understandable that the control device can control the intensity of the magnetic field generated by the second magnetic unit 43 according to the offset of the camera module 100 in the Y-axis direction.

In this embodiment, the detection of the jitter of the camera module 100 can be realized by a corresponding gyroscope. The gyroscope can be a part of the camera module 100 or a part of the electronic device using the camera module 100. Similarly, the control device may be a part of the camera module 100 or a part of the electronic device using the camera module 100.

In addition, as shown in FIG. 2, the light incident surface 211 of the triangular prism 21 is exposed from the opening 61 of the housing 6, and the light incident surface 211 is flush with the outer surface of the housing 6. In addition, there is a gap between the triangular prism 21 and the side wall of the opening 61 so that the triangular prism 21 can rotate around the X axis. In this embodiment, the light exit surface 212, the side surface 213, and the reflection surface 214 are between the side wall of the opening 61. All have gaps. In order to prevent light from exiting the housing 6 from the gap, in this embodiment, the housing 6 is further provided with a light-shielding structure 62. The light-shielding structure 62 is provided in the gap between the triangular prism 21 and the side wall of the opening 61, and is connected to the two者接。 The person meets. The light shielding structure 62 has elasticity and can be compressed or extended with the rotation of the triangular prism 21. In this embodiment, the light-shielding structure 62 may be made of materials such as rubber.

In other embodiments, the arrangement of the first magnetic unit 42 and the second magnetic unit 43 may also be: both are electromagnetic units, or the first magnetic unit 42 is an electromagnetic unit and the second magnetic unit 43 is a permanent magnet.

As shown in FIGS. 1 and 4, in this embodiment, the camera module 100 further includes a second permanent magnet 7b and a second magnetic sensor 8b. The second permanent magnet 7b is arranged on the light turning assembly 2. Specifically, the second permanent magnet 7b is arranged on the triangular prism 21. Of course, in other embodiments, the second permanent magnet 7b may also be arranged on the rotating shaft 22. The second magnetic sensor 8b is disposed on the connecting seat 41 and is opposite to the second permanent magnet 7b. The second magnetic sensor 8b is used to detect the change of the magnetic field of the second permanent magnet 7b to obtain the rotation angle of the light steering assembly 2. In this way, the detection result of the second magnetic sensor 8b can be used as feedback information, so as to make the movement amount of the light steering assembly 2 driven by the second anti-shake assembly 5 more accurate.

In this embodiment, the second permanent magnet 7b may be the same as the first permanent magnet 7a, and the second magnetic sensor 8b may be the same as the first magnetic sensor 8a. In addition, when the first magnetic unit 42 is a permanent magnet, the second permanent magnet 7b and the first magnetic unit 42 may be the same magnet. It can be understood that, in other embodiments, the second magnetic sensor 8b may be arranged on the triangular prism 21, and the second permanent magnet 7b may be arranged on the connecting seat 41.

As shown in FIG. 1, in this embodiment, the second anti-shake assembly 5 is disposed on the side of the lens assembly 1 away from the light turning assembly, and includes a fixing seat 51, an elastic piece 52, a third magnetic unit 53, and a fourth magnetic unit 54 . Wherein, the fixing base 51 may be a bracket connected with the mounting base 11 of the lens assembly 1; the fixing base 51 may also be connected with the housing 6 to realize an indirect connection with the lens assembly 1. One end of the elastic sheet 52 is connected with the fixing base 51, and the other end of the elastic sheet 52 is connected with the photosensitive assembly 3. After the connection, there is a gap between the photosensitive assembly 3 and the fixing base 51, so that the photosensitive assembly 3 can be inclined toward the fixing base 51.

The third magnetic unit 53 is a permanent magnet and is arranged on the fixed base 51. The fourth magnetic unit 54 is an electromagnetic unit and is arranged on the photosensitive assembly 3. The fourth electromagnetic unit 54 can generate the same or the same magnetic properties as the third magnetic unit 53 after being energized. The opposite magnetic field is used to provide a driving force to bend the elastic sheet 52, thereby causing the photosensitive component 3 to tilt toward the fixing base 51 in the X-axis direction, so as to compensate for the shake of the lens 14 in the X-axis direction.

As shown in FIG. 1, in this embodiment, the number of elastic pieces 52 is two, and they are respectively arranged at both ends of the photosensitive assembly 3. When the third magnetic unit 53 and the fourth magnetic unit 54 attract or repel each other , The elastic sheet 52 can drive the photosensitive assembly 3 to tilt in the X-axis direction. It can be understood that, in other embodiments, the first magnetic unit 42 and the second magnetic unit 43 can also be arranged in such a way that both are electromagnetic units, or the first magnetic unit 42 is an electromagnetic unit or the second magnetic unit 43. It is a permanent magnet.

As shown in Figure 1, in this embodiment, the photosensitive component 3 includes a circuit board 31, and a photosensitive chip 32 arranged on the circuit board 31, wherein the elastic sheet 52 is connected to the circuit board 31, and the photosensitive chip 32 is arranged on the circuit board. 31 on the surface opposite to the lens 14. In this embodiment, the circuit board 31 is an FPC board, and the housing 6 is provided with an escape port so that the circuit board 31 can extend out of the housing. In addition, in this embodiment, the elastic sheet 52 may be connected to the circuit board 31 by bonding or the like.

In the actual product, both the elastic sheet 52 and the circuit board 31 are of sheet-like structure, which makes the connection strength between the two weaker. To solve this problem, as shown in FIG. 1, in this embodiment, the second anti-shake assembly 5 further includes a connecting plate 55, which is attached to the circuit board 31, and two ends of the connecting plate 55 are connected to two The elastic pieces 52 are connected, and the strength of the connection between the elastic pieces 52 and the circuit board 31 can be improved by the reinforcing effect of the connecting plate 55.

In the above embodiment, the second anti-shake component 5 uses an electromagnetic drive to control the movement of the photosensitive component 3. In addition to this driving method, the second anti-shake component 5 can also be driven by a micro-electromechanical drive or a piezoelectric drive. The movement of the photosensitive assembly 3 is controlled in a similar manner. As shown in FIG. 1, in this embodiment, the camera module 100 further includes a third permanent magnet 7c and a third magnetic sensor 8c. The third permanent magnet 7c is arranged on the fixing base 51, the third magnetic sensor 8c is arranged on the circuit board 31 and opposite to the third permanent magnet 7c, and the third magnetic unit 53 is used to detect the change of the magnetic field of the third permanent magnet 7c , And then obtain the offset of the photosensitive component 3. In this way, the detection result of the third magnetic sensor 8c can be used as feedback information, so as to make the deviation of the fourth magnetic unit 54 driving the photosensitive assembly 3 more accurate.

In this embodiment, the third permanent magnet 7c may be the same as the first permanent magnet 7a, and the third magnetic sensor 8c may be the same as the first magnetic sensor 8a. In addition, when the third magnetic unit 53 is a permanent magnet, the third permanent magnet 7c and the third magnetic unit 53 may be the same magnet. It can be understood that, in other embodiments, the third magnetic sensor 8c may be arranged on the fixing base 51, and the third permanent magnet 7c may be arranged on the circuit board 31.

In addition, as shown in FIG. 1, in this embodiment, the camera module 100 further includes a fourth permanent magnet 7d and a fifth permanent magnet 7e, wherein the fourth permanent magnet 7d is disposed on the fixing base 51, and the fifth permanent magnet 7e is arranged on the photosensitive component 3 (can be arranged on the circuit board 31), and the two are opposite and have the same magnetic properties. This can improve the anti-vibration direction of the photosensitive chip 32, effectively avoid the shaking of the photosensitive chip 32, and improve the imaging of the camera module 100 effect. It can be understood that the fourth permanent magnets 7d and the fifth permanent magnets 7e correspond one-to-one, and there may be multiple ones, and the fourth permanent magnets 7d and the fifth permanent magnets 7e are evenly arranged around the photosensitive chip 32.

In this embodiment, the area of the fixing seat 51 opposite to the photosensitive chip 32 is provided with a gap, so that the light emitted from the lens 14 can reach the photosensitive chip 32. In addition, as shown in FIG. 1, the camera module 100 also includes a filter 9. The filter 9 covers the notch and is used to filter out stray light (such as infrared light) directed to the photosensitive chip 32 to improve the performance of the photosensitive chip 32. Image quality.

The present invention also provides an electronic device that uses the camera module 100 described in any of the above embodiments, and the electronic device may be a terminal product such as a mobile phone or a tablet computer.

The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, all possible combinations of the various technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, All should be considered as the scope of this specification.

The above-mentioned embodiments only express several embodiments of the present invention, and the descriptions are relatively specific and detailed, but they should not be understood as limiting the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can be made, and these all fall within the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims

A camera module includes:

Lens assembly

The light turning assembly is opposite to the lens assembly, and is used to turn the light to a certain angle so that the light is directed toward the lens assembly;

The photosensitive component is located at an end of the lens component away from the light turning component, and is used to receive the light transmitted from the lens component;

The first anti-shake component is connected to the light steering component and is used to drive the light steering component to move to compensate for the shaking of the camera module in the first direction; and

The second anti-shake component is connected to the photosensitive component and used to drive the photosensitive component to move to compensate for the shaking of the camera module in the second direction;

Wherein, the first direction is the direction in which light enters the light turning assembly, the first direction is perpendicular to the second direction, and the plane formed by the first direction and the second direction is in line with the The direction of the optical axis of the lens assembly is vertical.
The camera module of claim 1, wherein the lens assembly comprises:

Mounting base, one end of the mounting base is connected with the light turning assembly, and the other end is connected with the photosensitive assembly;

The guide rail is arranged on the mounting seat;

The sliding block is slidably installed on the guide rail;

The lens is set on the slider;

The drive module is connected to the slider and used to drive the slider to move, thereby driving the lens to move in the third direction to achieve autofocus; wherein the third direction is the optical axis direction of the lens .
The camera module according to claim 2, wherein the drive module comprises a motor and a transmission mechanism, the motor is fixed on the mounting seat, and one end of the transmission mechanism is connected to the motor, so The other end of the transmission mechanism is connected with the sliding block.
The camera module of claim 3, wherein the motor includes any one of a stepping motor, a servo motor, a piezoelectric motor, an electromagnetic motor, and a MEMS micro motor.
The camera module according to claim 2, wherein the camera module further comprises a first permanent magnet and a first magnetic sensor, one of the first permanent magnet and the first magnetic sensor is fixed On the lens, the other of the first permanent magnet and the first magnetic sensor is fixed on the mounting seat; the first magnetic sensor is opposite to the first permanent magnet, and is used according to The change in the magnetic field of the first permanent magnet detects the amount of movement of the lens.
The camera module of claim 1, wherein the first anti-shake component comprises:

A connecting seat connected with the lens assembly, and the light turning assembly is rotatably arranged on the connecting seat;

The first magnetic unit is connected to the light turning assembly and can move synchronously with the light turning assembly;

The second magnetic unit, connected to the connecting seat and opposite to the first magnetic unit, can generate the same or opposite magnetism as the first magnetic unit to drive the light steering assembly to move, and then to The camera module shakes in the first direction for compensation;

Wherein, at least one of the first magnetic unit and the second magnetic unit is an electromagnetic unit.
The camera module according to claim 6, wherein the camera module further comprises a second permanent magnet and a second magnetic sensor, one of the second permanent magnet and the second magnetic sensor is fixed On the light steering assembly, the other of the second permanent magnet and the second magnetic sensor is fixed on the connecting seat; the second magnetic sensor is opposite to the second permanent magnet, and And detecting the moving amount of the light turning assembly according to the change of the magnetic field of the second permanent magnet.
The camera module of claim 1, wherein the second anti-shake component comprises:

The fixing seat is connected with the lens assembly;

Elastic sheet, one end of the elastic sheet is connected with the fixing base, and the other end is connected with the photosensitive component;

The third magnetic unit is arranged on the fixing seat;

The fourth magnetic unit is arranged on the photosensitive assembly and is opposite to the third magnetic unit, and can generate the same or opposite magnetism as the third magnetic unit to drive the photosensitive assembly to move, and then to Compensate for the jitter of the camera module in the second direction;

Wherein, at least one of the first magnetic unit and the second magnetic unit is an electromagnetic unit.
The camera module according to claim 8, wherein the camera module further comprises a third permanent magnet and a third magnetic sensor, one of the third permanent magnet and the third magnetic sensor is fixed On the photosensitive assembly, the other of the third permanent magnet and the third magnetic sensor is fixed on the fixing seat; the third magnetic sensor is opposite to the third permanent magnet for The amount of movement of the photosensitive component is detected according to the change in the magnetic field of the third permanent magnet.
The camera module according to claim 1, wherein the camera module further comprises a housing, the lens assembly, the light steering assembly, the photosensitive assembly, the first anti-shake assembly, and the The second anti-shake components are all arranged in the housing.
The camera module according to claim 10, wherein the housing is provided with an opening and a light-shielding structure; the opening is opposite to the light turning assembly, so that external light enters the light turning assembly; The light-shielding structure is arranged between the side wall of the opening and the light turning assembly, and is connected to the side wall of the opening and the light turning assembly, respectively, to prevent external light from entering the space from the gap between the two. The housing, wherein the light shielding structure can be compressed or extended with the movement of the light turning component.
The camera module according to claim 1, wherein the first anti-shake component drives the light steering component to rotate around the second direction, so as to correct the movement of the lens component in the first direction. Shake compensation; the second anti-shake component drives the photosensitive component to rotate in the first direction, so as to compensate for the shake of the lens component in the second direction.
An electronic device comprising the camera module according to any one of claims 1-12.