Lens motor, camera module and electronic equipment

Abstract

The invention provides a lens motor, a camera module and electronic equipment. The lens motor comprises a stator, a focusing support, an anti-shake support, a focusing driving mechanism, an anti-shake driving mechanism and a driving chip. The focusing support is movably connected with the stator, the anti-shake support is movably connected with the focusing support and located on the inner side of the focusing support, and the anti-shake support is used for installing a lens. The driving chip is used for controlling the focusing driving mechanism so that the focusing driving mechanism can drive the focusing support to drive the anti-shake support to move in the first direction relative to the stator, and the driving chip is further used for controlling the anti-shake driving mechanism so that the anti-shake driving mechanism can drive the anti-shake support to move in the second direction and the third direction relative to the focusing support. The driving chip is arranged in the lens motor, so that in the production process of the camera module, related calibration data can be directly burnt in the driving chip in the lens motor in a motor factory, the subsequent calibration process in the module factory is saved, and the production efficiency is improved.

Description

Lens motors, camera modules, and electronic equipment

[0001] This application claims priority to the Chinese patent application filed with the State Intellectual Property Office of China on November 18, 2022, with application number 202211448545.X, and priority to the Chinese patent application entitled "Lens motor, camera module and electronic device", all contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the field of camera technology, and in particular to a lens motor, a camera module and an electronic device. Background Art

[0003] With the popularity and development of smartphones, mobile photography has become a common photography method. Furthermore, phones with both optical image stabilization and autofocus functions are increasingly popular among users. Traditional camera modules consist of a module circuit board, an image stabilization driver chip, and a focus driver chip. Because both the image stabilization driver chip and the focus driver chip are built on the module circuit board, calibration data for these chips cannot be burned into the motor factory during production. Calibration must be performed later at the module factory, complicating the driver chip calibration process and reducing overall camera module production efficiency.

[0004] Summary of the Invention

[0005] The embodiments of the present application provide a lens motor, a camera module including the lens motor, and an electronic device including the camera module, aiming to obtain a lens motor and a camera module with a simpler process flow and higher production efficiency.

[0006] In a first aspect, a lens motor is provided. The lens motor includes a stator, a focus bracket, an anti-shake bracket, a focus drive mechanism, an anti-shake drive mechanism, and a driver chip. The focus bracket is movably connected to the stator, and the anti-shake bracket is movably connected to the focus bracket and is located on the inner side of the focus bracket. The anti-shake bracket is used to mount a lens. The driver chip is used to control the focus drive mechanism so that the focus drive mechanism drives the focus bracket to drive the anti-shake bracket to move relative to the stator in a first direction. The driver chip is also used to control the anti-shake drive mechanism so that the anti-shake drive mechanism drives the anti-shake bracket to move relative to the focus bracket in a second direction and a third direction. The first direction is the optical axis direction of the lens, and the second and third directions are different from the first direction.

[0007] It is understandable that the driver chip of a traditional lens motor is usually set on a module circuit board outside the lens motor. This makes it impossible to burn the relevant calibration data on the driver chip at the motor factory during the production of the camera module, and the driver chip needs to be calibrated at the module factory. The driver chip in this application is built into the lens motor, so that during the production of the camera module, the relevant calibration data can be directly burned into the driver chip in the lens motor at the motor factory, saving the subsequent calibration process at the module factory and improving production efficiency. At the same time, when the characteristics of the lens motor vary due to factors such as reliability or module process, it is beneficial to compare the data of the lens motor after the characteristic variation.

[0008] Furthermore, compared to lens motors that require multiple driver chips to separately control the anti-shake drive mechanism and the focus drive mechanism, the lens motor in this application uses a single driver chip to simultaneously control both the anti-shake drive mechanism and the focus drive mechanism. When one of the anti-shake drive mechanism and the focus drive mechanism needs to obtain the position information of the other, the driver chip can use the corresponding algorithm to compensate and obtain the corresponding position information. This allows for faster information exchange between the anti-shake drive mechanism and the focus drive mechanism, and eliminates the need for additional data burning in the driver chip, which helps improve the driver chip's efficiency in obtaining position information and increases the response speed of the lens motor.

[0009] Furthermore, the lens motor of the present application is an integrated motor with both anti-shake and focus functions, and the driver chip is built into the lens motor. This allows the driver chip inside the lens motor to simultaneously control the focus bracket to drive the anti-shake bracket to move relative to the stator in a first direction to achieve the focus function, and to control the anti-shake bracket to move relative to the focus bracket in second and third directions to achieve the anti-shake function. Compared to a split lens motor with separate focus and anti-shake brackets, the lens motor of the present application is smaller in size, facilitating the miniaturization of the lens motor and saving internal space in electronic equipment.

[0010] In one possible implementation, the stator includes a base, the focus bracket movably connected to the base, and the base is provided with a first escape hole, the first escape hole connecting the outer and inner sides of the base. The lens motor also includes a circuit board secured to the outer periphery of the base, a driver chip secured to the circuit board and electrically connected to the circuit board, and at least a portion of the driver chip is located within the first escape hole. By utilizing the thickness of the base to position the driver chip within the first escape hole, the space occupied by the driver chip within the lens motor can be effectively reduced, thereby improving the space utilization of the lens motor.

[0011] In one possible implementation, the anti-shake drive mechanism includes an anti-shake coil and an anti-shake magnetic component. The anti-shake coil is fixed to and electrically connected to a circuit board, and the anti-shake magnetic component is fixed to an anti-shake bracket, with the anti-shake coil and the anti-shake magnetic component positioned opposite each other. The anti-shake coil is electrically connected to a driver chip, which is also used to control the anti-shake coil so that, through the cooperation of the anti-shake coil and the anti-shake magnetic component, the anti-shake bracket can be driven to move in a second direction relative to the focus bracket, or in a third direction relative to the focus bracket. In this way, the driver chip can control the anti-shake coil, and the driving force generated by the cooperation between the anti-shake coil and the anti-shake magnetic component drives the anti-shake bracket to move, thereby realizing the anti-shake function of the lens motor.

[0012] In one possible implementation, the anti-shake coil passes through a first clearance hole toward the anti-shake magnetic component. This allows the anti-shake coil and driver chip to be located on the same side of the circuit board. Furthermore, since both the anti-shake coil and driver chip are located within the first clearance hole, this effectively reduces the space occupied by the anti-shake coil and driver chip within the lens motor, improving the space utilization of the lens motor.

[0013] In one possible implementation, the base has a first escape groove extending through the bottom of the base. The focus bracket has a second escape groove, which connects the bottom space of the anti-shake bracket and the first escape groove. The first and second escape grooves, along with the bottom space of the anti-shake bracket, form an installation space for accommodating a portion of the prism.

[0014] It can be understood that the lens motor of the present application sets up an installation space, and at least part of the prism can be located in the installation space, so that the lens motor can sink relative to the prism to reduce the height of the lens motor, thereby achieving an overall reduction in the height of the camera module, which is conducive to achieving a thin setting of the camera module. At the same time, the overall structure of the camera module is more compact, which is conducive to saving internal space of the electronic device.

[0015] In one possible implementation, the anti-shake bracket includes a first bracket and a second bracket, the first bracket being positioned between the focusing bracket and the bottom of the second bracket, the first bracket being movably connected to the focusing bracket, and the second bracket being movably connected to the first bracket. A driver chip is used to control an anti-shake drive mechanism so that the anti-shake drive mechanism drives the first bracket to move the second bracket relative to the focusing bracket in a second direction. The driver chip is also used to control the anti-shake drive mechanism so that the anti-shake drive mechanism drives the second bracket to move relative to the first bracket in a third direction. In this way, by stacking the first and second brackets and separately controlling the first bracket to move relative to the focusing bracket in the second direction and the second bracket to move relative to the first bracket in the third direction, the anti-shake bracket can drive the lens to move relative to the focusing bracket in both the second and third directions, thereby achieving the anti-shake function.

[0016] In one possible implementation, the anti-shake coil includes a first coil and a second coil, the anti-shake magnetic component includes a first magnetic component and a second magnetic component, the first coil and the first magnetic component are arranged opposite to each other, and the second coil and the second magnetic component are arranged opposite to each other. The driving chip is used to control the first coil to drive the first bracket to move in the second direction relative to the focusing bracket through the cooperation between the first coil and the first magnetic component. The driving chip is also used to control the second coil to drive the second bracket to move in the third direction relative to the first bracket through the cooperation between the second coil and the second magnetic component. In this way, the driving chip can control the first coil and the second coil separately, drive the first bracket to move through the driving force generated by the cooperation between the first coil and the first magnetic component, and drive the second bracket to move through the driving force generated by the cooperation between the second coil and the second magnetic component, thereby realizing the anti-shake function of the lens motor.

[0017] In one possible implementation, the first coil includes a first sub-coil and a second sub-coil, the first magnetic member includes a first sub-magnetic member and a second sub-magnetic member, the first sub-magnetic member and the second sub-magnetic member are located between the first sub-coil and the second sub-coil, the first sub-coil and the first sub-magnetic member are disposed opposite each other, and the second sub-coil and the second sub-magnetic member are disposed opposite each other. Thus, by superimposing the driving force generated by the cooperation of the first sub-coil and the first sub-magnetic member with the driving force generated by the cooperation of the second sub-coil and the second sub-magnetic member, the driving force of the anti-shake drive mechanism on the first bracket can be increased, which is beneficial for increasing the movement speed of the first bracket and improving the anti-shake response speed of the lens motor in the second direction.

[0018] In one possible implementation, the first bracket is movably connected to the focus bracket via a ball bearing, and / or the second bracket is movably connected to the first bracket via a ball bearing. It is understood that due to the low friction coefficient of the ball bearing, the friction between the first bracket and the focus bracket, as well as the friction between the second bracket and the first bracket, is low. This reduces the driving force required by the anti-shake drive mechanism, thereby reducing energy consumption in the lens motor and improving the battery life of the electronic device.

[0019] In one possible implementation, the first bracket includes a first branch and a second branch, the second branch is connected to the first branch, and the angle between the second branch and the first branch is less than 180°. The bottom of the focus bracket includes a first portion and a second portion, the second portion is stacked on the first portion, a portion of the second portion is arranged opposite to the first branch, and another portion of the second portion is arranged opposite to the second branch. In this way, the second portion can be raised relative to the first portion, and the first bracket can be lowered relative to the second portion, thereby reducing the overall thickness of the lens motor, which is conducive to achieving a thinner setting of the lens motor. At the same time, the second portion is raised relative to the first portion, so that the bottom space of the second portion can be released, which is conducive to increasing the usable space inside the lens motor.

[0020] In one possible implementation, the base space is located at the bottom of the second portion. The inner side of the first portion faces the bottom space. This allows the bottom space of the second portion to accommodate at least a portion of the prism, thereby reducing the overall height of the camera module and facilitating a thinner camera module. Furthermore, the overall structure of the camera module is more compact, saving internal space in the electronic device.

[0021] In one possible implementation, the focus bracket is movably connected to the stator via a sliding shaft. This allows the bracket to self-lock due to the high friction coefficient of the sliding shaft even after the lens motor is powered off, eliminating the need for an external power source to continuously power the lens motor. This helps conserve energy and improves the battery life of the electronic device. Furthermore, the focus bracket is less likely to deflect during movement, which helps maintain the lens motor's focus and enhances the camera module's image quality.

[0022] In one possible implementation, the focus drive mechanism includes a focus coil and a focus magnetic component. The focus coil is fixed on a circuit board and electrically connected to the circuit board. The focus magnetic component is fixed on a focus bracket, and the focus coil and the focus magnetic component are arranged opposite each other. The focus coil is electrically connected to a driver chip, and the driver chip is also used to control the focus coil so as to drive the focus bracket to move the anti-shake bracket relative to the stator in a first direction through the cooperation between the focus coil and the focus magnetic component. In this way, the driver chip can control the focus coil and drive the focus bracket to move through the driving force generated by the cooperation between the focus coil and the focus magnetic component to realize the focusing function of the lens motor.

[0023] In one possible implementation, the lens motor further includes a first magnetic sheet secured to the circuit board. The focus coil is positioned between the first magnetic sheet and the focus magnetic member. The focus bracket compresses the slide shaft under the force exerted by the first magnetic sheet and the focus magnetic member. In this manner, the first magnetic sheet attracts the focus magnetic member, allowing the focus bracket to compress the slide shaft, ensuring close contact between the focus bracket and the slide shaft, thereby effectively preventing the focus bracket from tipping over when moving relative to the stator.

[0024] In one possible implementation, the lens motor further includes a first sensor secured to and electrically connected to the circuit board. The driver chip is electrically connected to the first sensor. The first sensor is configured to detect the position of the focus bracket, and the driver chip is further configured to obtain information from the first sensor. This allows the driver chip to promptly obtain the focus bracket's position information, improving the driver chip's efficiency in acquiring position information and enhancing the lens motor's response speed.

[0025] In one possible implementation, the lens motor further includes a cover plate connected to the focus bracket, with the cover plate located on the side of the anti-shake bracket away from the focus bracket. This effectively prevents the anti-shake bracket from dislodging from the focus bracket when the electronic device is flipped or tilted, thereby improving the structural reliability of the lens motor.

[0026] In a second aspect, a camera module is provided. The camera module includes a lens, a prism, a photosensitive chip, and the lens motor described above. The lens is mounted on an anti-shake bracket, the prism is located on the light-emitting side of the lens, and the photosensitive chip is located on the light-emitting side of the prism.

[0027] It is understandable that the driver chip of a traditional lens motor is usually set on a module circuit board outside the lens motor. This makes it impossible to burn the relevant calibration data on the driver chip at the motor factory during the production of the camera module, and the driver chip needs to be calibrated at the module factory. The driver chip in this application is built into the lens motor, so that during the production of the camera module, the relevant calibration data can be directly burned into the driver chip in the lens motor at the motor factory, saving the subsequent calibration process at the module factory and improving production efficiency. At the same time, when the characteristics of the lens motor vary due to factors such as reliability or module process, it is beneficial to compare the data of the lens motor after the characteristic variation.

[0028] Furthermore, compared to lens motors that require multiple driver chips to separately control the anti-shake drive mechanism and the focus drive mechanism, the lens motor in this application uses a single driver chip to simultaneously control both the anti-shake drive mechanism and the focus drive mechanism. When one of the anti-shake drive mechanism and the focus drive mechanism needs to obtain the position information of the other, the driver chip can use the corresponding algorithm to compensate and obtain the corresponding position information. This allows for faster information exchange between the anti-shake drive mechanism and the focus drive mechanism, and eliminates the need for additional data burning in the driver chip, which helps improve the driver chip's efficiency in obtaining position information and increases the response speed of the lens motor.

[0029] Furthermore, the lens motor of the present application is an integrated motor with both anti-shake and focus functions, and the driver chip is built into the lens motor. This allows the driver chip inside the lens motor to simultaneously control the focus bracket to drive the anti-shake bracket to move relative to the stator in a first direction to achieve the focus function, and to control the anti-shake bracket to move relative to the focus bracket in second and third directions to achieve the anti-shake function. Compared to a split lens motor with separate focus and anti-shake brackets, the lens motor of the present application is smaller in size, facilitating the miniaturization of the lens motor and saving internal space in electronic equipment.

[0030] In one possible implementation, the prism includes a first surface, a first inclined surface, a second surface, and a second inclined surface connected in sequence, the lens and the photosensitive chip are both located on the side of the first surface facing away from the second surface, the first surface includes a first area and a second area, the lens and the first area are arranged opposite to each other, and the photosensitive chip and the second area are arranged opposite to each other. After the ambient light passes through the lens, it enters the prism from the first area of ​​the first surface, and after multiple reflections inside the prism, it is emitted from the second area of ​​the first surface, and the photosensitive chip collects the ambient light that passes through the prism. In this way, compared to a camera module in which the lens and the photosensitive chip are located on different sides of the prism, the camera module of the present application in which the lens and the photosensitive chip are located on the same side of the prism is conducive to reducing the overall height of the camera module and realizing a thin setting of the camera module.

[0031] On the third aspect, an electronic device is provided. The electronic device includes a device housing and the above-mentioned camera module, and the camera module is arranged in the device housing. It can be understood that the lens motor in the electronic device of the present application is an integrated motor with both anti-shake function and focusing function, and the driving chip is built into the lens motor. In this way, the driving chip inside the lens motor can simultaneously control the focus bracket to drive the anti-shake bracket to move relative to the stator along the first direction to achieve the focusing function, and control the anti-shake bracket to move relative to the focus bracket along the second direction and the third direction to achieve the anti-shake function. Compared with the split lens motor in which the focus bracket and the anti-shake bracket are separately arranged, the lens motor of the present application is smaller in size, which is conducive to the miniaturization of the lens motor and is conducive to saving the internal space of the electronic device. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the background technology, the drawings required for use in the embodiments of the present application or the background technology will be described below.

[0033] FIG1 is a schematic structural diagram of an electronic device provided in an embodiment of the present application;

[0034] FIG2 a is a partial cross-sectional view of the electronic device shown in FIG1 taken along line AA in one embodiment;

[0035] FIG2 b is a schematic structural diagram of an embodiment of the camera module shown in FIG1 ;

[0036] FIG3 is an exploded schematic diagram of the camera module shown in FIG2a;

[0037] FIG4 is a schematic structural diagram of the lens motor shown in FIG3 in one embodiment;

[0038] FIG5 is an exploded schematic diagram of the lens motor shown in FIG4 ;

[0039] FIG6 is a schematic structural diagram of the base and the sliding shaft shown in FIG5 ;

[0040] FIG7 is a schematic diagram of a portion of the structure of the lens motor shown in FIG5 ;

[0041] FIG8 is a schematic structural diagram of the structure shown in FIG7 at another angle;

[0042] FIG9 is a schematic diagram of a portion of the structure of the lens motor shown in FIG5 ;

[0043] FIG10 is a schematic structural diagram of the structure shown in FIG9 at another angle;

[0044] FIG11 is a schematic diagram of a portion of the structure of the lens motor shown in FIG5 ;

[0045] FIG12 is a partial cross-sectional view of an embodiment of the lens motor shown in FIG4 taken along line BB;

[0046] FIG13 is an exploded schematic diagram of the mover shown in FIG5 ;

[0047] FIG14 is a schematic structural diagram of the base of the mover shown in FIG13;

[0048] FIG15 is a schematic structural diagram of the structure shown in FIG14 at another angle;

[0049] FIG16 is a partial cross-sectional view of an embodiment of the lens motor shown in FIG4 taken along line CC;

[0050] FIG17 is a partial cross-sectional view of an embodiment of the lens motor shown in FIG4 taken along line DD;

[0051] FIG18 is a schematic structural diagram of the first bracket shown in FIG13 at another angle;

[0052] FIG19 is a schematic diagram of a partial structure of the mover shown in FIG13;

[0053] FIG20 is a schematic structural diagram of the structure shown in FIG19 at another angle;

[0054] FIG21 is a schematic diagram of a partial structure of the mover shown in FIG13;

[0055] FIG22 is a partial cross-sectional view of an embodiment of the lens motor shown in FIG4 taken along line EE;

[0056] FIG23 is a partial cross-sectional view of an embodiment of the lens motor shown in FIG4 taken along line CC;

[0057] FIG24 is a schematic structural diagram of the second bracket of the mover shown in FIG13 from another perspective;

[0058] FIG25 is a schematic diagram of a partial structure of the mover shown in FIG13;

[0059] FIG26 is a schematic diagram of a partial structure of the mover shown in FIG13;

[0060] FIG27 is a partial cross-sectional view of an embodiment of the lens motor shown in FIG4 taken along line EE;

[0061] FIG28 is a partial cross-sectional view of an embodiment of the structure shown in FIG4 taken along line DD;

[0062] FIG29 is a schematic structural diagram of the mover shown in FIG13;

[0063] FIG30 is a schematic diagram of a portion of the structure of the lens motor shown in FIG5 ;

[0064] FIG31 is a cross-sectional view of an embodiment of the lens motor shown in FIG4 taken along line EE;

[0065] FIG32 is a cross-sectional view of an embodiment of the lens motor shown in FIG4 taken along line FF;

[0066] FIG33 is a cross-sectional view of an embodiment of the lens motor shown in FIG4 taken along line DD;

[0067] FIG34 is a schematic structural diagram of the lens motor and lens shown in FIG3 ;

[0068] FIG35 is a partial cross-sectional view of the camera module shown in FIG2b taken along line GG in one embodiment;

[0069] FIG36 is a cross-sectional view of the camera module shown in FIG2b along line GG in one embodiment;

[0070] FIG37 is a partial cross-sectional schematic diagram of another embodiment of the camera module shown in FIG36;

[0071] FIG38 is a partial cross-sectional schematic diagram of another embodiment of the camera module shown in FIG36 . DETAILED DESCRIPTION

[0072] The embodiments of the present application are described below in conjunction with the drawings in the embodiments of the present application.

[0073] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. Among them, "fixed connection" means that the two are connected to each other and the relative position relationship remains unchanged after the connection. "Rotational connection" means that the two are connected to each other and can rotate relative to each other after the connection. "Sliding connection" means that the two are connected to each other and can slide relative to each other after the connection. The directional terms mentioned in the embodiments of the present application, such as "up", "down", "left", "right", "inside", "outside", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present application, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application. "Multiple" means at least two.

[0074] In the embodiments of this application, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Therefore, a feature specified as "first," "second," "third," or "fourth" may explicitly or implicitly include one or more of the features.

[0075] It is understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings.

[0076] The present application provides a terminal, which includes but is not limited to a mobile phone, tablet computer, multimedia player, e-book reader, laptop computer, vehicle-mounted device, wearable device, or other electronic device with a display function. This application uses a mobile phone as an example for specific description.

[0077] Fig. 1 is a schematic structural diagram of an electronic device 1000 provided in an embodiment of the present application. Fig. 2a is a partial cross-sectional view of the electronic device 1000 shown in Fig. 1 taken along line AA in an embodiment.

[0078] As shown in FIG1 and FIG2a , electronic device 1000 can be a device with a camera module, such as a mobile phone, a tablet personal computer, a laptop computer, a personal digital assistant (PDA), a camera, a personal computer, a notebook computer, an in-vehicle device, a wearable device, augmented reality (AR) glasses, an AR helmet, virtual reality (VR) glasses, or a VR helmet. The electronic device 1000 of the embodiment shown in FIG1 is described using a mobile phone as an example.

[0079] As shown in Figure 1, the electronic device 1000 may include a camera module 100, a device housing 200 and a screen 300. The camera module 100 may be a rear camera module or a front camera module. It should be noted that Figure 1 and the related figures below only schematically illustrate some components included in the electronic device 1000, and the actual shape, actual size, actual position and actual structure of these components are not limited by Figure 1 and the figures below. In addition, when the electronic device 1000 is a device of some other form, the electronic device 1000 may also not include the screen 300.

[0080] For ease of description, the width direction of the electronic device 1000 is defined as the X-axis. The length direction of the electronic device 1000 is defined as the Y-axis. The thickness direction of the electronic device 1000 is defined as the Z-axis. It is understood that the coordinate system setting of the electronic device 1000 can be flexibly set according to specific actual needs.

[0081] In this embodiment, the device housing 200 may include a frame 201 and a back cover 202. The back cover 202 is fixed to the frame 201. For example, the back cover 202 may be fixed to the frame 201 by adhesive. The back cover 202 may also be integrally formed with the frame 201, i.e., the back cover 202 and the frame 201 form a single unitary structure.

[0082] Alternatively, the screen 300 can be located on the side of the frame 201 away from the back cover 202. In this case, the screen and back cover 202 are located on either side of the frame 201. The screen 300, frame 201, and back cover 202 together enclose the interior of the electronic device 1000. The interior of the electronic device 1000 can be used to house components of the electronic device 1000, such as a battery, receiver, or microphone. The screen 300 can be either flat or curved.

[0083] For example, the camera module 100 can be located inside the electronic device 1000. The camera module 100 can be fixed to the side of the screen 300 facing the back cover 202. The back cover 202 can be provided with a light-transmitting hole 203. The shape of the light-transmitting hole 203 is not limited to the circular shape shown in FIG. 1 . The light-transmitting hole 203 connects the interior of the electronic device 1000 to the exterior of the electronic device 1000. Light outside the electronic device 1000 can enter the interior of the electronic device 1000 through the light-transmitting hole 203. The camera module 100 can collect ambient light entering the interior of the electronic device 1000.

[0084] For example, the camera module 100 can be a common camera module (i.e., the optical axis of the camera module 100 is in the thickness direction of the electronic device 1000). In some embodiments, the camera module 100 can also be a periscope camera module (i.e., the optical axis of the camera module 100 is in the width direction of the electronic device 1000).

[0085] Fig. 2b is a schematic structural diagram of an embodiment of the camera module 100 shown in Fig. 1. Fig. 3 is an exploded schematic diagram of the camera module 100 shown in Fig. 2a.

[0086] As shown in Figures 2a and 2b, a camera module 100 may include a lens motor 1, a lens 2, a prism 4, a module base 5, a circuit module 6, and a module housing 7. The lens motor 1 and the lens 2 may constitute a lens assembly 400. The lens motor 1 may define a mounting hole 3. The lens 2 may be mounted within the mounting hole 3. In other embodiments, the mounting method of the lens 2 and the lens motor 1 is not specifically limited.

[0087] It is understandable that the lens motor 1 can be used to achieve auto focus (AF) by controlling the movement of the lens 2 along the optical axis direction of the lens 2 (in this embodiment, the optical axis direction of the lens 2 is the Z-axis direction).

[0088] In addition, the lens motor 1 can also control the movement of the lens 2 along a plane perpendicular to the optical axis (in this embodiment, the plane perpendicular to the optical axis is the XY plane). In this way, when the camera module 100 collects ambient light, if the electronic device 1000 vibrates in the XY plane due to external force, the movement of the lens 2 in the XY plane can be controlled by the lens motor 1 to offset the jitter stroke of the lens 2 in the XY plane, thereby avoiding or reducing the position offset of the lens 2 caused by the jitter. In other words, the camera module 100 of the present application can control the movement of the lens 2 in the XY plane through the lens motor 1, thereby realizing optical image stabilization (OIS) of the camera module 100 and improving the imaging quality of the camera module 100.

[0089] The above specifically introduces the structures of the electronic device 1000 and the camera module 100. The following will specifically introduce the lens motor 1 in the camera module 100 with reference to the relevant drawings.

[0090] Fig. 4 is a schematic diagram of the structure of the lens motor 1 shown in Fig. 3 in one embodiment. Fig. 5 is an exploded schematic diagram of the lens motor 1 shown in Fig. 4 .

[0091] As shown in Figures 4 and 5, the lens motor 1 may include a housing 10, a base 20, a circuit board 30, a first magnetic sheet 40, a mover 50, a driver chip 60, a coil 70, a position sensor 80, and a sliding shaft 90. The housing 10 and the base 20 may together constitute the stator 1b of the lens motor 1. In this embodiment, the number of sliding shafts 90 may be two. The two sliding shafts 90 may be a first sliding shaft 91 and a second sliding shaft 92, respectively. The shape and size of the first sliding shaft 91 and the second sliding shaft 92 may be the same. In other embodiments, the number of sliding shafts 90 is not specifically limited. The shape and size of each sliding shaft 90 may also be different.

[0092] It should be understood that in this embodiment, the width of the lens motor 1, i.e., the width of the electronic device 1000, is the X-axis. The length of the lens motor 1, i.e., the length of the electronic device 1000, is the Y-axis. The thickness of the lens motor 1, i.e., the thickness of the electronic device 1000, is the Z-axis. The Z-axis is also the first direction. The X-axis is also the second direction. The Y-axis is also the third direction. In other embodiments, the coordinate system of the lens motor 1 can be flexibly configured according to specific practical needs.

[0093] FIG6 is a schematic structural diagram of the base 20 and the sliding shaft 90 shown in FIG5 .

[0094] As shown in Figures 5 and 6 , the base 20 can be roughly cubical in shape. It can include a bottom 21 and a frame 22. The frame 22 can be fixed to the bottom 21 and enclose a housing space 23. The housing space 23 can accommodate the mover 50, the sliding shaft 90, at least a portion of the lens 2, and at least a portion of the coil 70.

[0095] For example, the bottom 21 may be provided with a communication hole 212. The communication hole 212 may connect the outside of the lens motor 1 with the accommodating space 23. In other embodiments, the shape and size of the communication hole 212 are not specifically limited.

[0096] For example, the frame portion 22 may include a first side portion 222, a second side portion 223, a third side portion 224, and a fourth side portion 221, which are connected in sequence. The first side portion 222 may be provided with a first avoidance hole 222a. The second side portion 223 may be provided with a second avoidance hole 223a. The third side portion 224 may be provided with a third avoidance hole 224a. The fourth side portion 221 may be provided with a fourth avoidance hole 221a. The first avoidance hole 222a, the second avoidance hole 223a, the third avoidance hole 224a, and the fourth avoidance hole 221a may all penetrate the inner and outer circumferences of the frame portion 22 and communicate with the accommodating space 23.

[0097] For example, the base 20 may be provided with a first avoidance groove 211. The first avoidance groove 211 may pass through the bottom 21 and the frame 22 and communicate with the communication hole 212 of the bottom 21. At this time, the inner side surface of the bottom 21 may face the first avoidance groove 211.

[0098] Exemplarily, the fourth side portion 221 may be provided with a first fixing groove 2211 and a second fixing groove 2212. The openings of the first fixing groove 2211 and the second fixing groove 2212 may both be formed on the surface of the fourth side portion 221 facing the accommodating space 23. The first fixing groove 2211 and the second fixing groove 2212 may be respectively located on either side of the fourth avoidance hole 221a. The shapes of the first fixing groove 2211 and the second fixing groove 2212 may both be adapted to the shape of the sliding shaft 90. The first sliding shaft 91 may be fixed to the first fixing groove 2211 and connected to the base 20. The second sliding shaft 92 may be fixed to the second fixing groove 2212 and connected to the base 20.

[0099] Fig. 7 is a schematic diagram of a portion of the structure of the lens motor 1 shown in Fig. 5. Fig. 8 is a schematic diagram of the structure shown in Fig. 7 from another angle.

[0100] As shown in Figures 7 and 8, the coil 70 and position sensor 80 can be fixed to the circuit board 30 by welding or other methods. The coil 70 and position sensor 80 can be electrically connected to the circuit board 30. The circuit board 30 can be a flexible circuit board 30. The position sensor 80 can be a Hall effect sensor. In other embodiments, the circuit board 30 can be a rigid circuit board 30 or a rigid-flex circuit board 30. The position sensor 80 can also be other types of sensors.

[0101] For example, the circuit board 30 may include a first sub-board 31, a second sub-board 32, a third sub-board 33, and a fourth sub-board 34 connected in sequence. The first sub-board 31 is arranged opposite to the third sub-board 33. The second sub-board 32 is arranged opposite to the fourth sub-board 34. The first sub-board 31, the second sub-board 32, the third sub-board 33, and the fourth sub-board 34 can be roughly surrounded by a square. It should be understood that in order to facilitate the description of the specific structure and shape of the circuit board 30, this embodiment divides the circuit board 30 into four parts for description, but this does not affect the circuit board 30 being an integrally formed structure. In other embodiments, the first sub-board 31, the second sub-board 32, the third sub-board 33, and the fourth sub-board 34 can also be connected in sequence by welding.

[0102] For example, the coil 70 may include a focus coil 71 and an anti-shake coil 72. The anti-shake coil 72 may include a first coil 721 and a second coil 722. The first coil 721 may include a first sub-coil 7211 and a second sub-coil 7212. For example, the focus coil 71 may be fixed to the side of the first sub-board 31 facing the third sub-board 33. The first sub-coil 7211 may be fixed to the side of the second sub-board 32 facing the fourth sub-board 34. The second coil 722 may be fixed to the side of the third sub-board 33 facing the first sub-board 31. The second sub-coil 7212 may be fixed to the side of the fourth sub-board 34 facing the second sub-board 32.

[0103] For example, the position sensor 80 may include a first sensor 81, a second sensor 82, and a third sensor 83. The first sensor 81 may be fixed to the first sub-board 31. The second sensor 82 may be fixed to the second sub-board 32. The third sensor 83 may be fixed to the third sub-board 33. For example, the first sensor 81 may be located within the coil hole of the focus coil 71. The second sensor 82 may be located within the coil hole of the first sub-coil 7211. The third sensor 83 may be located within the coil hole of the second coil 722.

[0104] In other embodiments, the first coil 721 may not include the second sub-coil 7212 .

[0105] As shown in Figures 5 and 7, the driver chip 60 can be fixed to the second sub-board 32 by welding. In this case, the driver chip 60 is electrically connected to the second sub-board 32. The driver chip 60 can also be electrically connected to the coil 70 (i.e., the focus coil 71, the first sub-coil 7211, the second coil 722, and the second sub-coil 7212) and the position sensor 80 (i.e., the first sensor 81, the second sensor 82, and the third sensor 83).

[0106] For example, the driver chip 60 can be fixed to the side of the second sub-board 32 facing the fourth sub-board 34. In this case, the driver chip 60 and the coil 70 can be located within the area enclosed by the circuit board 30. The driver chip 60 and the coil 70 can be located on the same side of the circuit board 30. For example, the driver chip 60 can be arranged side by side with the first sub-coil 7211. In other embodiments, the driver chip 60 can also be fixed to other locations on the circuit board 30.

[0107] Fig. 9 is a schematic diagram of a portion of the structure of the lens motor 1 shown in Fig. 5. Fig. 10 is a schematic diagram of the structure shown in Fig. 9 from another angle.

[0108] As shown in Figures 5, 9, and 10, the circuit board 30 can be arranged around the frame 22 of the base 20. For example, the circuit board 30 can be arranged around the outer side of the frame 22. The first sub-board 31, the second sub-board 32, the third sub-board 33, and the fourth sub-board 34 can be fixedly connected to the fourth side portion 221, the first side portion 222, the second side portion 223, and the third side portion 224, respectively. At this time, at least a portion of the focus coil 71 can be located within the fourth avoidance hole 221a. At least a portion of the first sub-coil 7211 and at least a portion of the driver chip 60 can both be located within the first avoidance hole 222a. At least a portion of the second coil 722 can be located within the second avoidance hole 223a. At least a portion of the second sub-coil 7212 can be located within the third avoidance hole 224a. In this way, by fixing the circuit board 30 on the outer peripheral side of the base 20 and placing each coil 70 (i.e., the focusing coil 71, the first sub-coil 7211, the second coil 722 and the second sub-coil 7212) in each avoidance hole (i.e., the fourth avoidance hole 221a, the first avoidance hole 222a, the second avoidance hole 223a and the third avoidance hole 224a), the thickness of the base 20 can be effectively utilized to place the coil 70, thereby improving the space utilization inside the lens motor 1, which is conducive to the miniaturization of the lens motor 1.

[0109] For example, the first magnetic sheet 40 may be fixed to the side of the first sub-plate 31 away from the accommodating space 23. The first magnetic sheet 40 may be made of a magnetic material.

[0110] In some embodiments, the frame portion 22 may further be provided with a groove (not shown), and the circuit board 30 may be installed in the groove, thereby making the structure more compact.

[0111] In some embodiments, the lens motor 1 may further include a sub-magnetic sheet 41 . The sub-magnetic sheet 41 may be fixed to the first sub-plate 31 and located in the coil hole of the focus coil 71 .

[0112] Fig. 11 is a partial structural diagram of the lens motor 1 shown in Fig. 5. Fig. 12 is a partial cross-sectional view of an embodiment of the lens motor 1 shown in Fig. 4 taken along line BB.

[0113] As shown in Figures 11 and 12, the housing 10 can be roughly cubic in shape. The housing 10 can be fixed on the bottom 21. The housing 10 is arranged around the frame 22 of the base 20. At this time, at least part of the circuit board 30 and the first magnetic sheet 40 can be located between the housing 10 and the frame 22. Exemplarily, the housing 10 can be provided with a lens through hole 12. The lens through hole 12 can be connected to the accommodating space 23 and is arranged opposite to the connecting hole 212 of the base 20. Among them, the shape of the lens through hole 12 and the lens 2 can be adapted (as shown in Figure 3). Exemplarily, the lens 2 can at least partially pass through the lens through hole 12. It should be understood that Figure 12 illustrates the bottom 21 and the frame 22 of the base 20 by dotted lines.

[0114] The above specifically introduces the partial structure of the lens motor 1 , and the following will specifically introduce the mover 50 of the lens motor 1 in conjunction with the relevant drawings.

[0115] FIG13 is an exploded schematic diagram of the mover 50 shown in FIG5 .

[0116] As shown in FIG. 13 , the mover 50 may include a focus mover 51 , an anti-shake mover 52 and a cover plate 53 .

[0117] Exemplarily, the focus actuator 51 may include a focus bracket 511, a focus magnetic member 512, a focus magnetic conductive sheet 513, and multiple second magnetic sheets 514. The anti-shake actuator 52 may include a first bracket 521, a second bracket 522, an anti-shake magnetic member 52c, a first magnetic conductive sheet 526, a second magnetic conductive sheet 527, a third magnetic conductive sheet 528, and multiple ball bearings 529. The first bracket 521 and the second bracket 522 may together constitute the anti-shake bracket 52a of the anti-shake actuator 52. The anti-shake magnetic member 52c may include a first magnetic member 523 and a second magnetic member 524. Exemplarily, the first magnetic member 523 may include a first sub-magnetic member 5231 and a second sub-magnetic member 5232. The focus actuator 51 may be used to drive the lens 2 to move along the Z-axis to achieve optical focus. The anti-shake actuator 52 may be used to drive the lens 2 to move along the XY plane to achieve optical image stabilization.

[0118] It should be noted that in this embodiment, there are six balls 529. Each ball 529 has the same shape and size. Therefore, each ball 529 can be numbered the same. For the sake of simplicity, FIG13 only numbers one of the balls 529.

[0119] Fig. 14 is a schematic structural diagram of the focus bracket 511 of the mover 50 shown in Fig. 13. Fig. 15 is a schematic structural diagram of the structure shown in Fig. 14 at another angle.

[0120] As shown in Figures 14 and 15, the focus bracket 511 can be roughly cubical in shape. The focus bracket 511 can include a bottom portion 511b and a frame portion 511c. The frame portion 511c can connect to the outer periphery of the bottom portion 511b. The frame portion 511c and the bottom portion 511b can enclose a receiving space 511a. The bottom portion 511b can be provided with a first through hole 511d. The first through hole 511d can communicate with the receiving space 511a.

[0121] Exemplarily, the bottom portion 511b may include a first portion 5111 and a second portion 5112. The second portion 5112 may be connected to the upper surface of the first portion 5111 and, together with the first portion 5111, enclose a first through hole 511d. At this time, the second portion 5112 may be raised relative to the first portion 5111 along the positive direction of the Z axis, that is, the second portion 5112 may be stacked on the first portion 5111. The inner side surface of the first portion 5111 may face the bottom space 5112a of the second portion 5112. Exemplarily, the focusing bracket 511 may be provided with a second avoidance groove 50a. The second avoidance groove 50a may connect the bottom space 5112a of the second portion 5112 and the first through hole 511d.

[0122] Fig. 16 is a partial cross-sectional view of the lens motor 1 shown in Fig. 4 taken along line CC. Fig. 17 is a partial cross-sectional view of the lens motor 1 shown in Fig. 4 taken along line DD.

[0123] As shown in Figures 13, 16, and 17, the frame portion 511c may include a first side portion 5113, a second side portion 5114, a third side portion 5115, and a fourth side portion 5116, which are connected in sequence. The second side portion 5114 may be provided with a first escape space 5117. The third side portion 5115 may be provided with a second escape space 5118. The fourth side portion 5116 may be provided with a third escape space 5119. The first escape space 5117, the second escape space 5118, and the third escape space 5119 may all be connected to the receiving space 511a. For example, the second escape groove 50a may extend through the fourth side portion 5116 of the frame portion 511c and the portion of the first portion 5111 located on the fourth side portion 5116.

[0124] Exemplarily, the first side portion 5113 may be provided with a first slide groove 5113a and a second slide groove 5113b. The openings of the first slide groove 5113a and the second slide groove 5113b may be formed on the surface of the first side portion 5113 facing away from the receiving space 511a. The first slide groove 5113a and the second slide groove 5113b may be arranged at intervals. The first side portion 5113 may also be provided with a base mounting groove 5113c. The base mounting groove 5113c may be located between the first slide groove 5113a and the second slide groove 5113b. The focusing magnetic conductive sheet 513 may be fixed to the base mounting groove 5113c. The focusing magnetic member 512 may be fixed to the side of the focusing magnetic conductive sheet 513 away from the receiving space 511a.

[0125] As shown in Figures 16 and 17, the first portion 5111 may further include multiple base guide grooves 54. The openings of the multiple base guide grooves 54 may be formed on the surface of the first portion 5111 facing the receiving space 511a. In this embodiment, the number of base guide grooves 54 may be three. The multiple base guide grooves 54 may be a first guide groove 541, a second guide groove 542, and a third guide groove 543. For example, the first guide groove 541 may be located at the junction of the first side portion 5111 and the second side portion 5114. The second guide groove 542 may be located at the junction of the second side portion 5114 and the third side portion 5115. The third guide groove 543 may be located at the junction of the third side portion 5115 and the fourth side portion 5116. The guiding directions of the first guide groove 541, the second guide groove 542, and the third guide groove 543 may all be parallel to the X-axis. In this case, the first guide groove 541, the second guide groove 542, and the third guide groove 543 may form an "L" shape.

[0126] For example, the focus bracket 511 may further include a stopper 5110 . The stopper 5110 may be fixedly connected to the first portion 5111 . The stopper 5110 may be located at the connection between the first portion 5111 and the first side portion 5113 , and spaced apart from the first guide groove 541 .

[0127] For example, the bottom 511b of the focus bracket 511 may further include a first limiting groove 5112b and a second limiting groove 5112c. The openings of the first limiting groove 5112b and the second limiting groove 5112c may both be formed on the surface of the second portion 5112 facing away from the first side portion 5113. The first limiting groove 5112b and the second limiting groove 5112c may be spaced apart. The first limiting groove 5112b may expose the second guide groove 542. The second limiting groove 5112c may expose the third guide groove 543.

[0128] As shown in Figures 13, 16, and 17, multiple second magnetic sheets 514 can be located inside the first portion 5111, that is, multiple second magnetic sheets 514 can be built into the first portion 5111. The material of the second magnetic sheet 514 can be a magnetic material. In this embodiment, the number of second magnetic sheets 514 can be two. One of the second magnetic sheets 514 can be located between the first guide groove 541 and the second guide groove 542. The other second magnetic sheet 514 can be located between the second guide groove 542 and the third guide groove 543.

[0129] Figure 18 is a schematic diagram of the structure of the first bracket 521 shown in Figure 13 at another angle. Figure 19 is a schematic diagram of a portion of the structure of the mover 50 shown in Figure 13. Figure 20 is a schematic diagram of the structure shown in Figure 19 at another angle.

[0130] As shown in Figures 18 and 19, the first bracket 521 may include a first branch 521a and a second branch 521b. The first branch 521a is connected to the second branch 521b. The first branch 521a and the second branch 521b may be arranged at an angle. The angle between the first branch 521a and the second branch 521b may be less than 180°. For example, the angle between the first branch 521a and the second branch 521b may be 90°. In this case, the first bracket 521 may have a generally "L"-shaped structure.

[0131] For example, the first branch 521a may include a first support portion 5211, a first connecting portion 5212, and a second support portion 5213 connected in sequence. The second branch 521b may include a second connecting portion 5214 and a third support portion 5215 connected in sequence. The end of the second connecting portion 5214 away from the third support portion 5215 may be connected to the second support portion 5213. In other words, the first connecting portion 5212 is connected between the first support portion 5211 and the second support portion 5213. The second connecting portion 5214 is connected between the second support portion 5213 and the third support portion 5215.

[0132] In one embodiment, the first connecting portion 5212 and the second connecting portion 5214 may be arranged at an angle. For example, the first connecting portion 5212 and the second connecting portion 5214 may be perpendicular to each other. In this case, the first supporting portion 5211, the first connecting portion 5212, the second supporting portion 5213, the second connecting portion 5214, and the third supporting portion 5215 may form an "L"-shaped structure.

[0133] For example, the first support portion 5211 may have a first end surface 5211a and a second end surface 5211b disposed in opposite directions. The first support portion 5211 may be provided with a first guide groove 5211c and a second guide groove 5211d. The opening of the first guide groove 5211c may be formed on the first end surface 5211a and the surface of the first support portion 5211 facing the second support portion 5213. The opening of the second guide groove 5211d may be formed on the second end surface 5211b and the surface of the first support portion 5211 facing away from the third support portion 5215. The guiding direction of the first guide groove 5211c may be parallel to the Y-axis. The guiding direction of the second guide groove 5211d may be parallel to the X-axis.

[0134] Exemplarily, the second support portion 5213 may be provided with a third guide groove 5213a and a fourth guide groove 5213b. The third support portion 5215 may be provided with a fifth guide groove 5215a and a sixth guide groove 5215b. It should be understood that the structures of the second support portion 5213 and the third support portion 5215 are substantially identical to those of the first support portion 5211, and the identical parts are not repeated here. The guiding directions of the third guide groove 5213a and the fifth guide groove 5215a may both be parallel to the Y-axis. The guiding directions of the fourth guide groove 5213b and the sixth guide groove 5215b may both be parallel to the X-axis. Exemplarily, the first guide groove 5211c, the third guide groove 5213a, and the fifth guide groove 5215a may all be located on the same side of the first connecting portion 5212 and the second connecting portion 5214. The second guide groove 5211d, the fourth guide groove 5213b and the sixth guide groove 5215b can all be located on the other side of the first connecting portion 5212 and the second connecting portion 5214. In other embodiments, the positions of the first guide groove 5211c and the second guide groove 5211d can be swapped.

[0135] As shown in Figures 19 and 20, in this embodiment, there may be six balls 529. The balls 529 may be disposed in a one-to-one correspondence in the first guide groove 5211c, the second guide groove 5211d, the third guide groove 5213a, the fourth guide groove 5213b, the fifth guide groove 5215a, and the sixth guide groove 5215b.

[0136] Exemplarily, the first guide groove 5211c, the third guide groove 5213a, the fourth guide groove 5213b and the sixth guide groove 5215b can be a "V"-shaped groove, that is, the cross-sectional shape of the first guide groove 5211c, the third guide groove 5213a, the fourth guide groove 5213b and the sixth guide groove 5215b is a "V"-shaped. At this time, a tight fit can be achieved between the ball 529 and the first guide groove 5211c, the third guide groove 5213a, the fourth guide groove 5213b and the sixth guide groove 5215b. The second guide groove 5211d and the fifth guide groove 5215a can be a "U"-shaped groove, that is, the cross-sectional shape of the second guide groove 5211d and the fifth guide groove 5215a is a "U"-shaped. At this time, a loose fit can be achieved between the ball 529 and the second guide groove 5211d and the fifth guide groove 5215a.

[0137] Figure 21 is a partial structural diagram of the mover 50 shown in Figure 13. Figure 22 is a partial cross-sectional view of an embodiment of the lens motor 1 shown in Figure 4 along line EE. Figure 23 is a partial cross-sectional view of an embodiment of the lens motor 1 shown in Figure 4 along line CC.

[0138] As shown in Figures 21 to 23, the first bracket 521 can be slidably connected to the first portion 5111 of the focus bracket 511 via the ball bearing 529. In this case, a portion of the second portion 5112 of the focus bracket 511 can be disposed opposite the first branch 521a of the first bracket 521. Another portion of the second portion 5112 can be disposed opposite the second branch 521b.

[0139] For example, the opening of the second guide groove 5211d of the first bracket 521 and the opening of the first guide groove 541 of the focus bracket 511 can be arranged opposite each other and together form a second ball rolling groove 552. The opening of the fourth guide groove 5213b of the first bracket 521 and the opening of the second guide groove 542 of the focus bracket 511 can be arranged opposite each other and together form a fourth ball rolling groove 554. The opening of the sixth guide groove 5215b of the first bracket 521 and the opening of the third guide groove 543 of the focus bracket 511 can be arranged opposite each other and together form a sixth ball rolling groove 556.

[0140] The guiding directions of the second ball groove 552, the fourth ball groove 554, and the sixth ball groove 556 can all be parallel to the X-axis direction. The ball 529 between the first bracket 521 and the focus bracket 511 can move along the X-axis direction. In other words, the first bracket 521 can move relative to the focus bracket 511 along the X-axis direction.

[0141] In some embodiments, the bottom portion 511b may also not include the second portion 5112. The first bracket 521 may further include a third connecting portion (not shown) and a fourth supporting portion (not shown). The third connecting portion may be connected to the third supporting portion 5215 and parallel to the first connecting portion 5212. The fourth supporting portion may be connected to an end of the third connecting portion away from the third supporting portion 5215. The fourth supporting portion may further be provided with a seventh guide groove and an eighth guide groove. The guiding direction of the seventh guide groove may be parallel to the Y-axis. The guiding direction of the eighth guide groove may be parallel to the X-axis.

[0142] FIG24 is a schematic structural diagram of the second bracket 522 of the mover 50 shown in FIG13 from another perspective.

[0143] As shown in Figures 13 and 24, the second bracket 522 can be roughly cubical in shape. The second bracket 522 can include a first surface 5221 and a second surface 5222 disposed in opposite directions, and a peripheral side surface 5223 connecting the outer peripheries of the first surface 5221 and the second surface 5222. The second bracket 522 can be provided with a second through hole 5224. The second through hole 5224 can sequentially pass through the first surface 5221 and the second surface 5222. The second through hole 5224 can constitute at least a portion of the mounting hole 3 of the lens motor 1. For example, the lens 2 (see Figure 3) can be mounted on the second bracket 522 via the second through hole 5224.

[0144] For example, the peripheral side surface 5223 of the second bracket 522 may include a first side surface 5223a, a second side surface 5223b, a third side surface 5223c, and a fourth side surface 5223d. The second bracket 522 may be provided with a plurality of receiving slots 5225. Each of the plurality of receiving slots 5225 may communicate with the second side surface 5222 and the peripheral side surface 5223 of the second bracket 522. In this embodiment, the number of receiving slots 5225 may be three. The plurality of receiving slots 5225 may be a first receiving slot 5225a, a second receiving slot 5225b, and a third receiving slot 5225c.

[0145] For example, the first receiving groove 5225a can connect the first side surface 5223a, the second side surface 5223b, and the second surface 5222 of the second bracket 522. The second receiving groove 5225b can connect the second side surface 5223b, the third side surface 5223c, and the second surface 5222 of the second bracket 522. The third receiving groove 5225c can connect the third side surface 5223c, the fourth side surface 5223d, and the second surface 5222 of the second bracket 522.

[0146] For example, the second bracket 522 may further include a plurality of guide grooves 5226. Each of the plurality of guide grooves 5226 may connect the peripheral side surface 5223 of the second bracket 522 and the receiving groove 5225. In this embodiment, the second bracket 522 may include three guide grooves 5226. The plurality of guide grooves 5226 may be a first guide groove 5226a, a second guide groove 5226b, and a third guide groove 5226c. The first guide groove 5226a may connect the first receiving groove 5225a and the first side surface 5223a. The second guide groove 5226b may connect the second receiving groove 5225b and the third side surface 5223c. The third guide groove 5226c may connect the third receiving groove 5225c and the third side surface 5223c. In this case, the guide directions of the plurality of guide grooves 5226 of the second bracket 522 (i.e., the first guide groove 5226a, the second guide groove 5226b, and the third guide groove 5226c) may be parallel to the Y-axis direction.

[0147] In some embodiments, the second bracket 522 may further include a fourth receiving groove (not shown). The fourth receiving groove may connect the first side 5223a, the fourth side 5223d, and the second side 5222 of the second bracket 522. The second bracket 522 may further include a fourth guide groove (not shown). The fourth guide groove may connect the fourth receiving groove and the first side 5223a. The guiding direction of the fourth guide groove may be parallel to the Y-axis.

[0148] In other embodiments, the second bracket 522 may not be provided with the receiving groove 5225 . In this case, the guide groove 5226 of the second bracket 522 may communicate with the peripheral side surface 5223 and the second surface 5222 of the second bracket 522 .

[0149] FIG25 is a schematic diagram of a partial structure of the mover 50 shown in FIG13 .

[0150] As shown in Figures 24 and 25, the second bracket 522 can be provided with a first mounting slot 5227, a second mounting slot 5228, and a third mounting slot 5229. The first mounting slot 5227 can be located between the first receiving slot 5225a and the second receiving slot 5225b. The second mounting slot 5228 can be located between the second receiving slot 5225b and the third receiving slot 5225c. The third mounting slot 5229 can be arranged side by side with the third receiving slot 5225c along the Y-axis.

[0151] For example, the opening of the first mounting slot 5227 can be formed between the second side surface 5223b and the second surface 5222. The opening of the second mounting slot 5228 can be formed between the third side surface 5223c and the second surface 5222. The opening of the third mounting slot 5229 can be formed between the fourth side surface 5223d and the second surface 5222. The first magnetic conductive sheet 526 can be fixed to the slot wall of the first mounting slot 5227 near the second through hole 5224. The first sub-magnetic member 5231 can be fixed to the side of the first magnetic conductive sheet 526 away from the second through hole 5224. The connection relationship between the second mounting slot 5228, the second magnetic member 524, and the second magnetic conductive sheet 527, as well as the connection relationship between the third mounting slot 5229, the second sub-magnetic member 5232, and the third magnetic conductive sheet 528 are substantially the same as the connection relationship between the first mounting slot 5227, the first sub-magnetic member 5231, and the first magnetic conductive sheet 526. The same parts will not be repeated here.

[0152] Figure 26 is a partial structural diagram of the mover 50 shown in Figure 13. Figure 27 is a partial cross-sectional view of an embodiment of the lens motor 1 shown in Figure 4 along line EE. Figure 28 is a partial cross-sectional view of an embodiment of the structure shown in Figure 4 along line DD.

[0153] As shown in Figures 26 to 28, a portion of the second bracket 522 can be movably connected to the first bracket 521 via a ball bearing 529. Another portion of the second bracket 522 can be positioned opposite the second portion 5112 of the focus bracket 511. In this case, both the first bracket 521 and the second bracket 522 can be located in the receiving space 511a of the focus bracket 511. In other words, the anti-shake bracket 52a can be located inside the focus bracket 511.

[0154] For example, the first through hole 511d and the second through hole 5224 can be arranged opposite each other. The first avoidance space 5117, the second avoidance space 5118, and the third avoidance space 5119 of the focusing bracket 511 can respectively expose the first sub-magnetic component 5231, the second magnetic component 524, and the second sub-magnetic component 5232 fixed to the second bracket 522. At this time, the second magnetic sheet 514 located between the first guide groove 541 and the second guide groove 542 of the focusing bracket 511 can attract the first sub-magnetic component 5231. The second magnetic sheet 514 located between the second guide groove 542 and the third guide groove 543 of the focusing bracket 511 can attract the second magnetic component 524.

[0155] For example, at least a portion of the first support portion 5211 can be received in the first receiving groove 5225a. At least a portion of the second support portion 5213 can be received in the second receiving groove 5225b. At least a portion of the third support portion 5215 can be received in the third receiving groove 5225c. In this case, the opening of the first guide groove 5226a of the second bracket 522 and the opening of the first guide groove 5211c of the first bracket 521 can be arranged opposite each other, and together form the first ball rolling groove 551. The opening of the second guide groove 5226b of the second bracket 522 and the opening of the third guide groove 5213a of the first bracket 521 can be arranged opposite each other, and together form the third ball rolling groove 553. The opening of the third guide groove 5226c of the second bracket 522 can be arranged opposite each other, and together form the fifth ball rolling groove 555. At this time, the first ball rolling groove 551 , the second ball rolling groove 552 , the third ball rolling groove 553 , the fourth ball rolling groove 554 , the fifth ball rolling groove 555 and the sixth ball rolling groove 556 may together constitute the ball rolling grooves of the mover 50 .

[0156] The guiding directions of the first ball groove 551, the third ball groove 553, and the fifth ball groove 555 can all be parallel to the Y-axis direction. The balls 529 between the second bracket 522 and the first bracket 521 can move along the Y-axis direction. In other words, the second bracket 522 can move relative to the first bracket 521 along the Y-axis direction.

[0157] It is understood that in this embodiment, the second bracket 522 can be movably connected to the first bracket 521 via the ball bearing 529. The second bracket 522 can move relative to the first bracket 521 along the Y-axis. When the second bracket 522 moves relative to the first bracket 521 along the positive direction of the Y-axis, the groove wall of the second receiving groove 5225b adjacent to the first mounting groove 5227 can move in a direction close to the second support portion 5213 until the groove wall abuts the second support portion 5213. When the second bracket 522 moves relative to the first bracket 521 along the negative direction of the Y-axis, the groove wall of the first receiving groove 5225a adjacent to the first mounting groove 5227 can move in a direction close to the first support portion 5211 until the groove wall abuts the first support portion 5211. In this way, through the cooperation between the groove wall of the first receiving groove 5225a and the first support part 5211, and the cooperation between the groove wall of the second receiving groove 5225b and the second support part 5213, the second bracket 522 can be prevented from being separated from the first bracket 521 during the movement, and the ball 529 between the second bracket 522 and the first bracket 521 can be prevented from falling out of the ball groove.

[0158] In other embodiments, only the first bracket 521 may be movably connected to the focus bracket 511 via the ball bearings 529 . Alternatively, only the second bracket 522 may be movably connected to the first bracket 521 via the ball bearings 529 .

[0159] FIG29 is a schematic structural diagram of the mover 50 shown in FIG13 .

[0160] As shown in Figures 26 and 29, the cover plate 53 can be placed over the focus bracket 511. In this case, the cover plate 53 can be located on the side of the anti-shake bracket 52a away from the focus bracket 511. The anti-shake actuator 52 can be located between the focus bracket 511 and the cover plate 53. For example, the cover plate 53 can be provided with a plurality of snap-fit ​​grooves 531. The focus bracket 511 can be provided with a plurality of snap-fit ​​protrusions 5120. The plurality of snap-fit ​​grooves 531 can be matched one-to-one with the plurality of snap-fit ​​protrusions 5120 to secure the cover plate 53 to the focus bracket 511.

[0161] It will be appreciated that in this embodiment, the first bracket 521 can be movably connected to the focus bracket 511 via the ball bearing 529, driving the second bracket 522 to move relative to the focus bracket 511 along the X-axis, thereby allowing the anti-shake actuator 52 to move relative to the focus actuator 51 along the X-axis. When the first bracket 521 moves relative to the focus bracket 511 along the positive X-axis, the first support portion 5211 can move toward the stop block 5110 until it abuts against the stop block 5110. The third support portion 5215 can move toward the first stop slot 5112b until it abuts against the wall of the second stop slot 5112c. When the rolling bracket moves relative to the focus bracket 511 along the negative X-axis, the second support portion 5213 can move toward the second stop slot 5112c until it abuts against the wall of the first stop slot 5112b. In this way, through the cooperation between the first support part 5211 and the limit block 5110, the cooperation between the second support part 5213 and the first limit groove 5112b, and the cooperation between the third support part 5215 and the second limit groove 5112c, the ball 529 between the first bracket 521 and the focusing bracket 511 can be prevented from falling out of the ball groove.

[0162] Furthermore, in this embodiment, the adsorption force between the first sub-magnetic component 5231 and one of the second magnetic sheets 514, and the adsorption force between the second magnetic component 524 and the other second magnetic sheet 514, allows the anti-shake actuator 52 to press the focus bracket 511 of the focus actuator 51 along the Z-axis under the action of the adsorption force. At this point, the multiple balls 529 can closely fit the walls of the multiple ball grooves in a one-to-one correspondence. This effectively prevents the anti-shake actuator 52 from tipping over when moving in the XY plane.

[0163] In addition, in this embodiment, a cover plate 53 is provided to cover the focus bracket 511, so that the focus actuator 51 can completely cover the anti-shake actuator 52. This effectively prevents the anti-shake actuator 52 in the lens motor 1 from being dislodged from the focus actuator 51 when the electronic device 1000 is flipped or tilted.

[0164] Figure 30 is a schematic diagram of a portion of the lens motor 1 shown in Figure 5. Figure 31 is a cross-sectional view of an embodiment of the lens motor 1 shown in Figure 4 taken along line EE. Figure 32 is a cross-sectional view of an embodiment of the lens motor 1 shown in Figure 4 taken along line FF.

[0165] As shown in Figures 30 to 32, the mover 50 can be installed in the accommodating space 23 of the base 20. The first slide groove 5113a of the focus bracket 511 can cooperate with the first slide shaft 91. The second slide groove 5113b of the focus bracket 511 can cooperate with the second slide shaft 92. At this time, the focus bracket 511 can move relative to the base 20 along the axial direction of the first slide shaft 91. In this embodiment, the axial direction of the first slide shaft 91 is the Z-axis direction. In other words, the mover 50 can move relative to the base 20 along the Z-axis direction.

[0166] For example, the first magnetic sheet 40 can attract the focusing magnetic member 512. At this point, the focusing bracket 511 can squeeze the first slide shaft 91 and the second slide shaft 92 along the Y-axis due to the attraction force between the first magnetic sheet 40 and the focusing magnetic member 512, so that the first slide shaft 91 can be tightly fitted into the first slide groove 5113a, and the second slide shaft 92 can be tightly fitted into the second slide groove 5113b. This effectively prevents the mover 50 from tipping over when moving relative to the base 20 along the Z-axis.

[0167] In some embodiments, the sub-magnetic sheet 41 (see FIG. 8 ) can also attract the focusing magnetic member 512. In this way, the sub-magnetic sheet 41 can attract the focusing magnetic member 512 together with the first magnetic sheet 40, thereby enhancing the attraction of the first magnetic sheet 40 to the focusing magnetic member 512. Furthermore, the sub-magnetic sheet 41 can also be used to balance the Z-direction interference force generated by the first magnetic sheet 40.

[0168] In other embodiments, the sliding shaft 90 may also be replaced by a plurality of balls.

[0169] As shown in Figures 5, 31, and 32, the first sensor 81 can be used to detect the magnetic field strength when the focusing magnetic member 512 is in different positions to detect the position of the focusing bracket 511. The second sensor 82 can be used to detect the magnetic field strength when the first sub-magnetic member 5231 is in different positions to detect the position of the anti-shake bracket 52a in the X-axis direction. The third sensor 83 can be used to detect the magnetic field strength when the second magnetic member 524 is in different positions to detect the position of the anti-shake bracket 52a in the Y-axis direction. The driver chip 60 can simultaneously obtain information from the first sensor 81, the second sensor 82, and the third sensor 83.

[0170] Fig. 33 is a cross-sectional view of an embodiment of the lens motor 1 shown in Fig. 4 along line DD. Fig. 34 is a schematic structural diagram of the lens motor 1 and the lens 2 shown in Fig. 3 .

[0171] As shown in Figures 31 and 33, the first avoidance groove 211 of the base 20 can be connected to the second avoidance groove 50a of the focus bracket 511 and the bottom space 5112a of the second part 5112 (Figure 14 illustrates the second avoidance groove 50a from another angle, and Figure 15 illustrates the bottom space 5112a from another angle). At this time, the first avoidance groove 211, the second avoidance groove 50a and the bottom space 5112a of the second part 5112 can together constitute the installation space 1a of the lens motor 1. The installation space 1a can be used to accommodate at least part of other lenses or prisms of the camera module 100. It should be understood that Figure 33 illustrates the first avoidance groove 211, the second avoidance groove 50a and the bottom space 5112a of the second part 5112 through dotted lines.

[0172] As shown in Figures 32 to 34, the focusing coil 71 can be arranged opposite to the focusing magnetic part 512. At this time, the focusing coil 71 and the focusing magnetic part 512 can jointly constitute the focusing drive mechanism 51a of the focusing mover 51. The first sub-coil 7211 can be arranged opposite to the first sub-magnetic part 5231. The second coil 722 can be arranged opposite to the second magnetic part 524. The second sub-coil 7212 can be arranged opposite to the second sub-magnetic part 5232. At this time, the first sub-coil 7211, the second coil 722, the second sub-coil 7212, the first sub-magnetic part 5231, the second magnetic part 524 and the second sub-magnetic part 5232 can jointly constitute the anti-shake drive mechanism 52b of the anti-shake mover 52.

[0173] When a signal is applied to the focus coil 71, the focus magnetic member 512 cooperates with the focus coil 71, thereby driving the focus bracket 511 and, in turn, the first bracket 521 and the second bracket 522 (also known as the anti-shake bracket 52a) to move along the Z-axis relative to the base 20. In other words, the lens 2 can be moved along the Z-axis relative to the base 20 by the actuator 50, achieving autofocus.

[0174] When a signal is applied to the first sub-coil 7211 and the second sub-coil 7212, the first sub-magnetic component 5231 can cooperate with the first sub-coil 7211, and the second sub-magnetic component 5232 can cooperate with the second sub-coil 7212, thereby driving the first bracket 521 and driving the second bracket 522 to move relative to the focusing bracket 511 along the X-axis direction, that is, the second bracket 522 moves relative to the base 20 along the X-axis direction. When a signal is applied to the second coil 722, the second magnetic component 524 can cooperate with the second coil 722, thereby driving the second bracket 522 to move relative to the first bracket 521 along the Y-axis direction, that is, the second bracket 522 moves relative to the base 20 along the Y-axis direction. In other words, under the action of the mover 50, the lens 2 can move in the XY plane relative to the base 20 to achieve optical image stabilization.

[0175] Among them, the driving force generated by the cooperation of the focusing magnetic part 512 and the focusing coil 71 is the Z-direction driving force of the mover 50. The Z-direction driving force can be greater than the sum of the overall gravity of the mover 50 and the lens 2, the friction between the focusing bracket 511 and the first sliding shaft 91 and the second sliding shaft 92, the adsorption force between the sub-magnetic sheet 41 (see Figure 8) and the focusing magnetic part 512, and the adsorption force between the first magnetic sheet 40 and the focusing magnetic part 512. The sum of the driving force generated by the cooperation of the first sub-magnetic part 5231 and the first sub-coil 7211 and the driving force generated by the cooperation of the second sub-magnetic part 5232 and the second sub-coil 7212 is the X-direction driving force of the mover 50. The X-direction driving force can be greater than the sum of the overall gravity of the anti-shake sub-52 and the lens 2 and the friction between the first bracket 521 and the focusing bracket 511. The driving force generated by the cooperation of the second magnetic part 524 and the second coil 722 is the Y-direction driving force of the mover 50. The Y-direction driving force may be greater than the sum of the overall gravity of the second bracket 522 and the lens 2 and the friction force between the second bracket 522 and the first bracket 521 .

[0176] It will be appreciated that the lens motor 1 in this embodiment includes a driver chip 60, an anti-shake actuator 52, and a focus actuator 51. The anti-shake bracket 52a can be located within the housing space 511d of the focus bracket 511. The lens 2 can be mounted on the anti-shake bracket 52a. The driver chip 60 controls the focus drive mechanism 51a, causing the focus drive mechanism 51a to drive the focus bracket 511, thereby driving the anti-shake bracket 52a to move relative to the base 20 along the Z-axis. The driver chip 60 can also control the anti-shake drive mechanism 52b, causing the first bracket 521 to drive the second bracket 522 to move relative to the base 20 along the X-axis, and the second bracket 522 to move relative to the base 20 along the Y-axis. Thus, when the lens 2 is mounted in the second through hole 5224 of the second bracket 522, the lens 2 can be driven to move relative to the base 20 along the Z-axis and along the XY plane by controlling the second bracket 522 to move relative to the base 20 along the Z-axis and along the XY plane.

[0177] In other words, the lens motor 1 of this embodiment is an integrated motor that performs both anti-shake and focus functions, with the driver chip 60 integrated within the lens motor 1. This allows the driver chip within the lens motor 1 to simultaneously control the movement of the second bracket 522 relative to the base 20 along the Z-axis to achieve focus, and also control the movement of the second bracket 522 relative to the base 20 in the XY plane to achieve anti-shake. Compared to separate lens motors 1 in which the anti-shake actuator 52 and the focus actuator 51 are separately mounted, the lens motor 1 of this embodiment is smaller in size, which helps reduce the stacking size of the camera module 100, simplifies the manufacturing process, and saves space within the electronic device 1000. Furthermore, compared to lens motors 1 that require multiple driver chips 60 to separately control the anti-shake actuator 52 and the focus actuator 51, the lens motor 1 of this embodiment uses a single driver chip 60 to simultaneously control the anti-shake drive mechanism 52b of the anti-shake actuator 52 and the focus drive mechanism 51a of the focus actuator 51. When either the anti-shake actuator 52 or the focus actuator 51 needs to obtain the position information of the other, the driver chip 60 can obtain the corresponding position information by performing corresponding algorithm compensation. This makes the information exchange between the anti-shake actuator 52 and the focus actuator 51 faster, and the driver chip 60 does not need to perform additional data burning, which helps improve the efficiency of the driver chip 60 in obtaining position information and the response speed of the lens motor 1.

[0178] In addition, the driver chip 60 of the conventional lens motor 1 is usually arranged on a circuit board outside the lens motor 1. This makes it impossible to burn relevant calibration data (such as the correction data of the position sensor 80, linearity calibration data, and calibration data of the crosstalk of the focus actuator 51 to the anti-shake actuator 52) into the driver chip 60 at the motor factory during the production process of the camera module 100, and the driver chip 60 needs to be calibrated at the module factory. In contrast, the driver chip 60 in this embodiment is built into the lens motor 1, so that during the production process of the camera module 100, the relevant calibration data can be directly burned into the driver chip 60 in the lens motor 1 at the motor factory, saving the subsequent calibration process at the module factory and improving production efficiency. At the same time, when the characteristics of the lens motor 1 vary due to factors such as reliability or module manufacturing process, it is beneficial to compare the data of the lens motor 1 after the characteristic variation.

[0179] Secondly, the conventional focus actuator 51 is typically connected to the base 20 by a sliding connection via a ball 529, or connected to the base 20 via a spring. The ball-bearing focus actuator 51 cannot achieve self-locking due to the low friction coefficient of the ball 529. Furthermore, when the focus bracket 511 moves relative to the base 20 in the Z direction, it is prone to deflection, resulting in displacement in the XY plane, affecting focus clarity. The spring-type focus actuator 51 has a poor anti-vibration effect, which can easily affect the video quality of the electronic device 1000. In this embodiment, the focus bracket 511 is slidably connected to the base 20 via a sliding shaft 90, forming a sliding shaft focus actuator 51. The sliding shaft 90 has a high friction coefficient, allowing the focus actuator 51 to still achieve self-locking through the friction between itself and the sliding shaft 90 after power is turned off. This eliminates the need for an external power source to continuously power the lens motor 1, saving power and increasing the battery life of the electronic device 1000. The sliding shaft 90 has a good anti-vibration effect, which helps ensure the video quality of the electronic device 1000. Furthermore, the focus bracket 511 in the sliding-shaft focus actuator 51 is less likely to deflect relative to the base 20 along the Z-axis, which helps ensure the focus effect of the lens motor 1 and improve the imaging quality of the camera module 100. The tilt angle of the lens 2 can be less than or equal to 3min.

[0180] Furthermore, the lens motor 1 in this embodiment simultaneously inputs signals to the first sub-coil 7211 and the second sub-coil 7212, thereby pushing the first bracket 521 and driving the second bracket 522 to move along the X-axis relative to the base 20. Thus, by simultaneously inputting signals to the first sub-coil 7211 and the second sub-coil 7212, the mover 50 can obtain a greater X-direction driving force, thereby increasing the rate of movement of the second bracket 522 relative to the base 20 along the X-axis and improving the response speed of the lens motor 1 in the X-axis direction.

[0181] The above specifically introduces how the lens motor 1 drives the lens 2 to move. The following will also specifically introduce the connection relationship between the lens assembly 400 and other components in the camera module 100 in conjunction with relevant drawings.

[0182] Fig. 35 is a partial cross-sectional view of the camera module 100 shown in Fig. 2b taken along line GG in one embodiment. Fig. 36 is a cross-sectional view of the camera module 100 shown in Fig. 2b taken along line GG in one embodiment.

[0183] As shown in Figures 3, 35, and 36, the module housing 7 can cover the module base 5. The module base 5 can have an internal space 5a. At least a portion of the prism 4 can be accommodated in the internal space 5a of the module base 5. For example, the module housing 7 can be fixedly connected to the module base 5 by adhesive.

[0184] For example, the module base 5 may include a first upper surface 501 and a second upper surface 502. The first upper surface 501 and the second upper surface 502 have a height difference. For example, the second upper surface 502 may be higher than the first upper surface 501. It should be understood that the height referred to in this embodiment refers to the height in the Z-axis direction.

[0185] For example, the first upper surface 501 may be provided with a first light-transmitting hole 5011. The second upper surface 502 may be provided with a second light-transmitting hole 5021. The first light-transmitting hole 5011 may be connected to the second light-transmitting hole 5021 through the inner space 5a of the module base 5.

[0186] For example, the prism 4 can be fixed to the module base 5. The prism 4 can be higher than the first upper surface 501. The lens motor 1 can be fixedly connected to the first upper surface 501. In this case, the installation space 1a of the lens motor 1 can be arranged opposite the first light-transmitting hole 5011 and connected to the internal space 5a of the module base 5. A portion of the prism 4 can be located in the internal space 5a of the module base 5. Another portion of the prism 4 can be located in the installation space 1a of the lens motor 1.

[0187] By way of example, the prism 4 may include a first surface 401, a first inclined surface 402, a second surface 403, and a second inclined surface 404, connected in sequence. The first surface 401 may include a first region 4011 and a second region 4012. The lens 2 and the photosensitive chip 601 may both be located on the side of the first surface 401 facing away from the second surface 403. By way of example, the lens 2 may be positioned opposite the first region 4011. The photosensitive chip 601 may be positioned opposite the second region 4012.

[0188] For example, the circuit module 6 may include a photosensitive chip 601, a module circuit board 602, and a filter 603. The photosensitive chip 601 may be fixed to the module circuit board 602. The filter 603 may be located on a side of the photosensitive chip 601 away from the module circuit board 602. The photosensitive chip 601 is also called an image sensor or a photosensitive element. The photosensitive chip 601 may be used to collect ambient light and convert the image information carried by the ambient light into an electrical signal.

[0189] For example, the circuit module 6 can be fixedly connected to the second upper surface 502. In this case, the filter 603 can be arranged opposite the second light-transmitting hole 5021. After passing through the lens 2, the ambient light enters the prism 4 from the first area 4011 of the first surface 401 of the prism 4. After multiple reflections within the prism 4, it is emitted from the second area 4012 of the first surface 401, passes through the second light-transmitting hole 5021 and the filter 603 in sequence, and finally enters the photosensitive chip 601 (Figure 36 also schematically illustrates the propagation path of the ambient light).

[0190] It can be understood that the camera module 100 in this embodiment sets an installation space 1a in the lens motor 1 and accommodates at least part of the prism 4 in the installation space 1a, so that the lens motor 1 can sink relative to the prism 4 to reduce the height of the lens motor 1, thereby achieving an overall reduction in the height of the camera module 100, which is conducive to achieving a thin setting of the camera module 100.

[0191] The above specifically introduces the structure of the camera module 100 in one embodiment. The following will further specifically introduce several embodiments of the camera module 100 in conjunction with relevant drawings.

[0192] Fig. 37 is a partial cross-sectional schematic diagram of another embodiment of the camera module 100 shown in Fig. 36. Fig. 38 is a partial cross-sectional schematic diagram of yet another embodiment of the camera module 100 shown in Fig. 36.

[0193] As shown in FIG37 , the camera module 100 in this embodiment has substantially the same structure as the camera module 100 shown in FIG35 , and the identical parts are not repeated here. The difference is that the photosensitive chip 601 of the camera module 100 in this embodiment can be located at the bottom of the prism 4. For example, the cross-sectional shape of the prism 4 can be substantially a parallelogram. External light can be incident on the prism 4 through the lens assembly 400, and then enter the photosensitive chip 601 after being reflected by the prism 4.

[0194] As shown in Figure 38, the camera module 100 in this embodiment has a substantially identical structure to the camera module 100 shown in Figure 35, and the identical parts are not repeated here. The difference is that the photosensitive chip 601 of the camera module 100 in this embodiment can be located on the peripheral side of the prism 4. For example, the cross-sectional shape of the prism 4 can be roughly trapezoidal. External light can be incident on the prism 4 through the lens assembly 400, and then enter the photosensitive chip 601 after being reflected by the prism 4.

[0195] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of this application can be combined with each other, and any combination of features in different embodiments is also within the scope of protection of this application. That is to say, the multiple embodiments described above can also be arbitrarily combined according to actual needs.

[0196] It should be noted that all the above drawings are for illustrative purposes only and do not represent the actual size of the product. Furthermore, the dimensional ratios between the components in the drawings are not intended to limit the actual product of the present application.

[0197] The above are only some of the embodiments and implementations of this application. The scope of protection of this application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

Claims

1. A lens motor (1), characterized in that: It comprises a stator (1b), a focus bracket (511), an anti-shake bracket (52a), a focus driving mechanism (51a), an anti-shake driving mechanism (52b), and a driving chip (60); The focus bracket (511) is movably connected to the stator (1b), the anti-shake bracket (52a) is movably connected to the focus bracket (511) and is located inside the focus bracket (511), and the anti-shake bracket (52a) is used to install the lens (2); The driving chip (60) is used to control the focus driving mechanism (51a) so that the focus driving mechanism (51a) drives the focus bracket (511) to drive the anti-shake bracket (52a) to move relative to the stator (1b) along a first direction. The driving chip (60) is also used to control the anti-shake driving mechanism (52b) so that the anti-shake driving mechanism (52b) drives the anti-shake bracket (52a) to move relative to the focus bracket (511) along a second direction and a third direction. The first direction is the optical axis direction of the lens (2), and the second direction and the third direction are different from the first direction.

2. The lens motor (1) according to claim 1, characterized in that: The stator (1b) comprises a base (20), the focusing bracket (511) is movably connected to the base (20), the base (20) is provided with a first avoidance hole (222a), and the first avoidance hole (222a) communicates with the outer peripheral side and the inner peripheral side of the base (20); The lens motor (1) further includes a circuit board (30), wherein the circuit board (30) is fixed to the outer peripheral side of the base (20), the driving chip (60) is fixed on the circuit board (30) and electrically connected to the circuit board (30), and at least a portion of the driving chip (60) is located in the first avoidance hole (222a).

3. The lens motor (1) according to claim 2, characterized in that: The anti-shake driving mechanism (52b) includes an anti-shake coil (72) and an anti-shake magnetic component (52c), wherein the anti-shake coil (72) is fixed on the circuit board (30) and electrically connected to the circuit board (30), and the anti-shake magnetic component (52c) is fixed on the anti-shake bracket (52a), and the anti-shake coil (72) and the anti-shake magnetic component (52c) are arranged opposite to each other; The anti-shake coil (72) is electrically connected to the driving chip (60), and the driving chip (60) is also used to control the anti-shake coil (72) so as to drive the anti-shake bracket (52a) to move along the second direction relative to the focusing bracket (511) or drive the anti-shake bracket (52a) to move along the third direction relative to the focusing bracket (511) through the cooperation between the anti-shake coil (72) and the anti-shake magnetic part (52c).

4. The lens motor (1) according to claim 3, characterized in that: The anti-shake coil (72) passes through the first avoidance hole (222a) toward the anti-shake magnetic component (52c).

5. The lens motor (1) according to any one of claims 2 to 4, characterized in that: The base (20) is provided with a first avoidance groove (211), and the first avoidance groove (211) runs through the bottom of the base (20); The focusing bracket (511) is provided with a second avoidance groove (50a), and the second avoidance groove (50a) is connected to the bottom space (5112a) of the anti-shake bracket (52a) and the first avoidance groove (211); The first avoidance groove (211), the second avoidance groove (50a) and the bottom space (5112a) of the anti-shake bracket (52a) constitute an installation space (1a), and the installation space (1a) is used to accommodate a portion of the prism (4).

6. The lens motor (1) according to any one of claims 2 to 5, characterized in that: The anti-shake bracket (52a) comprises a first bracket (521) and a second bracket (522), the first bracket (521) is located between the bottoms of the focus bracket (511) and the second bracket (522), the first bracket (521) is movably connected to the focus bracket (511), and the second bracket (522) is movably connected to the first bracket (521); The driving chip (60) is used to control the anti-shake driving mechanism (52b) so that the anti-shake driving mechanism (52b) drives the first bracket (521) to drive the second bracket (522) to move along the second direction relative to the focusing bracket (511). The driving chip (60) is also used to control the anti-shake driving mechanism (52b) so that the anti-shake driving mechanism (52b) drives the second bracket (522) to move along the third direction relative to the first bracket (521).

7. The lens motor (1) according to claim 6, characterized in that: The anti-shake coil (72) includes a first coil (721) and a second coil (722); the anti-shake magnetic component (52c) includes a first magnetic component (523) and a second magnetic component (524); the first coil (721) and the first magnetic component (523) are arranged opposite to each other; and the second coil (722) and the second magnetic component (524) are arranged opposite to each other; The driving chip (60) is used to control the first coil (721) so as to drive the first bracket (521) to move relative to the focusing bracket (511) along the second direction through the cooperation between the first coil (721) and the first magnetic member (523); the driving chip (60) is also used to control the second coil (722) so as to drive the second bracket (522) to move relative to the first bracket (521) along the third direction through the cooperation between the second coil (722) and the second magnetic member (524).

8. The lens motor (1) according to claim 7, characterized in that: The first coil (721) includes a first sub-coil (7211) and a second sub-coil (7212), the first magnetic part (523) includes a first sub-magnetic part (5231) and a second sub-magnetic part (5232), the first sub-magnetic part (5231) and the second sub-magnetic part (5232) are located between the first sub-coil (7211) and the second sub-coil (7212), the first sub-coil (7211) and the first sub-magnetic part (5231) are arranged opposite to each other, and the second sub-coil (7212) and the second sub-magnetic part (5232) are arranged opposite to each other.

9. The lens motor (1) according to any one of claims 6 to 8, characterized in that: The first bracket (521) is movably connected to the focusing bracket (511) via a ball bearing (529), and / or the second bracket (522) is movably connected to the first bracket (521) via a ball bearing (529).

10. The lens motor (1) according to any one of claims 6 to 9, characterized in that: The first bracket (521) includes a first branch (521a) and a second branch (521b), the second branch (521b) is connected to the first branch (521a), and the angle between the second branch (521b) and the first branch (521a) is less than 180°; The bottom of the focusing bracket (511) comprises a first part (5111) and a second part (5112), wherein the second part (5112) is stacked on the first part (5111), a part of the second part (5112) is arranged opposite to the first branch (521a), and another part of the second part (5112) is arranged opposite to the second branch (521b).

11. The lens motor (1) according to claim 10, characterized in that: The bottom space (5112a) is located at the bottom of the second part (5112), and the inner side surface of the first part (5111) faces the bottom space (5112a) of the second part (5112).

12. The lens motor (1) according to any one of claims 2 to 11, characterized in that: The focusing bracket (511) is movably connected to the stator (1b) via a sliding shaft (90).

13. The lens motor (1) according to any one of claims 2 to 12, characterized in that: The focus drive mechanism (51a) comprises a focus coil (71) and a focus magnetic member (512), wherein the focus coil (71) is fixed on the circuit board (30) and electrically connected to the circuit board (30), and the focus magnetic member (512) is fixed on the focus bracket (511), and the focus coil (71) and the focus magnetic member (512) are arranged opposite to each other; The focusing coil (71) is electrically connected to the driving chip (60), and the driving chip (60) is further used to control the focusing coil (71) so as to drive the focusing bracket (511) to move the anti-shake bracket (52a) relative to the stator (1b) along the first direction through the cooperation between the focusing coil (71) and the focusing magnetic member (512).

14. The lens motor (1) according to claim 13, characterized in that: The lens motor (1) further comprises a first magnetic sheet (40), wherein the first magnetic sheet (40) is fixed to the circuit board (30), the focus coil (71) is located between the first magnetic sheet (40) and the focus magnetic component (512), and the focus bracket (511) presses the stator (1b) under the action force between the first magnetic sheet (40) and the focus magnetic component (512).

15. The lens motor (1) according to any one of claims 2 to 14, characterized in that: The lens motor (1) further includes a first sensor (81), the first sensor (81) being fixed to the circuit board (30) and electrically connected to the circuit board (30), the driving chip (60) being electrically connected to the first sensor (81), the first sensor (81) being used to detect the position of the focus bracket (511), and the driving chip (60) being further used to obtain information from the first sensor (81).

16. The lens motor (1) according to any one of claims 1 to 15, characterized in that: The lens motor (1) further comprises a cover plate (53), wherein the cover plate (53) is connected to the focus bracket (511), and the cover plate (53) is located on a side of the anti-shake bracket (52a) away from the focus bracket (511).

17. A camera module (100), characterized in that: The camera module (100) includes a lens (2), a prism (4), a photosensitive chip (601), and a lens motor (1) according to any one of claims 1 to 16, wherein the lens (2) is mounted on the anti-shake bracket (52a), the prism (4) is located on the light-emitting side of the lens (2), and the photosensitive chip (601) is located on the light-emitting side of the prism (4).

18. The camera module (100) according to claim 17, characterized in that: The prism (4) comprises a first surface (401), a first inclined surface (402), a second surface (403) and a second inclined surface (404) connected in sequence; the lens (2) and the photosensitive chip (601) are both located on the side of the first surface (401) facing away from the second surface (403); the first surface (401) comprises a first area (4011) and a second area (4012); the lens (2) and the first area (4011) are arranged opposite to each other, and the photosensitive chip (601) and the second area (4012) are arranged opposite to each other; The ambient light passes through the lens (2) and enters the prism (4) from the first area (4011) of the first surface (401). After multiple reflections occur inside the prism (4), the ambient light is emitted from the second area (4012) of the first surface (401). The photosensitive chip (601) collects the ambient light that passes through the prism (4).

19. An electronic device (1000), characterized in that It comprises a device housing and a camera module (100) according to claim 17 or 18, wherein the camera module (100) is arranged in the device housing (200).

Images