Camera module and electronic device

Abstract

The application discloses a camera module and an electronic device. A first power component in the camera module is arranged on a movable part of a first circuit board, and a second power component is arranged on a base. One of the first power component and the second power component is a coil, and the other is a magnet. The two components cooperate with each other to move the movable part in a plane perpendicular to the thickness direction of the first circuit board, and drive a second circuit board and an image sensor arranged on the movable part to move, so as to realize anti-shake. In the thickness direction of the first circuit board, the second circuit board and the second power component are located in the range of the orthographic projection of the movable part, and the first power component is located in the range of the orthographic projection of the second circuit board, so that the driving mechanism of the camera module is more compact, and the size of the camera module in the plane perpendicular to the thickness direction of the first circuit board is reduced. That is, the above design can reduce the size of the camera module in multiple dimensions, and is helpful to realize the light and thin design of the camera module and the electronic device carrying the camera module.

Description

Technical Field

[0001] This application relates to the field of camera technology, and more particularly to a camera module and electronic device. Background Technology

[0002] Lens stabilization and sensor stabilization are commonly used image stabilization technologies in camera modules. Sensor stabilization technology generally only requires driving the image sensor and sensor bracket, resulting in a smaller driving load and allowing the use of smaller driving components, which helps in the miniaturization design of camera modules.

[0003] However, users have higher demands for thinner and lighter designs of electronic devices (such as mobile phones) equipped with camera modules, and existing sensor image stabilization technologies can no longer meet these needs. Utility Model Content

[0004] This application discloses a camera module and an electronic device that can reduce the size of the camera module in multiple dimensions, which helps to achieve miniaturization of the camera module and the electronic device equipped with the camera module.

[0005] In a first aspect, this application discloses a camera module, comprising:

[0006] A first circuit board includes a fixed part and a movable part that are connected to each other. The fixed part is hollowed out, and the movable part is disposed in the hollowed-out area of ​​the fixed part and is movable relative to the fixed part.

[0007] A second circuit board is disposed on the movable part and is electrically connected to the movable part;

[0008] An image sensor, wherein the image sensor is disposed on and electrically connected to the second circuit board;

[0009] A base is located on the side of the circuit board opposite to the image sensor, and the base is configured to support the fixed part so that the movable part is movable relative to the base;

[0010] The first power component is disposed on the side of the movable part facing the base;

[0011] The second power component is disposed on the base and is disposed opposite to the first power component. One of the second power component and the first power component is a coil and the other is a first magnet. The second power component and the first power component are used to drive the movable part to move the image sensor in a plane perpendicular to the thickness direction of the circuit board.

[0012] The second circuit board and the second power component are located within the orthographic projection range of the movable part on the base, and the first power component is located within the orthographic projection range of the second circuit board on the base.

[0013] The camera module provided in this application, by directly fixing the first power component to the movable part of the first circuit board carrying the image sensor, can save the bracket used to support the first power component, thereby reducing the axial dimension of the camera module. Simultaneously, since the orthogonal projection of the movable part of the first circuit board onto the base covers the second circuit board and the second power component in the thickness direction of the first circuit board, and the first power component is located within the orthogonal projection range of the second circuit board onto the base, that is, the first power component and the second circuit board overlap in a direction perpendicular to the aforementioned thickness direction, and the second circuit board and the second power component overlap with the movable part in a direction perpendicular to the aforementioned thickness direction, the layout of the second circuit board, the first power component, and the second power component is more compact, resulting in a smaller size of the camera module in the plane perpendicular to the thickness direction of the image sensor, and thus enabling a higher degree of integration of the overall structure of the camera module's drive mechanism. Therefore, the camera module provided in this application helps to further reduce the axial and radial dimensions of the camera module, that is, it can reduce the size of the camera module in multiple dimensions, contributing to the thinner and lighter design of the camera module and the electronic device equipped with the camera module.

[0014] In one possible implementation, the movable part further includes a flexible connecting part and a supporting part. The flexible connecting part is spirally arranged, one end of the flexible connecting part is fixed to the supporting part and electrically connected to the supporting part, and the other end of the flexible connecting part is fixed to the fixed part and electrically connected to the fixed part. The supporting part and the fixed part are arranged at intervals. The flexible connecting part is used to flexibly connect the supporting part. The second circuit board and the first power component are both disposed on the supporting part.

[0015] When the image sensor moves in a plane perpendicular to the thickness direction of the first circuit board to achieve image stabilization, the support unit moves with the image sensor, causing the flexible connection to deform. By making the flexible connection helical, it has greater deformation redundancy compared to a linear structure. This allows the coil and the first magnet to bend and deform with only a small amount of material stress, reducing the resistance that the flexible connection needs to overcome during deformation. Consequently, the image sensor experiences less resistance when moving in the plane perpendicular to the thickness direction of the first circuit board. In other words, during automatic image stabilization, the resistance experienced by the image sensor when moving in the plane perpendicular to the thickness direction of the first circuit board can be reduced, thereby improving the response speed of automatic image stabilization and facilitating its implementation. Furthermore, placing the coil in the support unit allows the support unit to power the coil, saving on additional power supply lines and simplifying the internal structure of the camera module.

[0016] In one possible implementation, the supporting portion includes a first segment and a second segment, the first segment extending along a first direction and the second segment extending along a second direction, one end of the first segment being connected to the flexible connecting portion, the other end of the first segment being connected to one end of the second segment, and the other end of the second segment being a free end;

[0017] The first power component is a coil, and the second power component is a first magnet. Both the first segment and the second segment are provided with the coil. The base is provided with two first magnets. The coil on the first segment and the first magnet opposite it are used to drive the bearing part to move in the second direction. The coil on the second segment and the first magnet opposite it are used to drive the bearing part to move in the first direction.

[0018] The thickness direction of the first circuit board, the first direction, and the second direction are all perpendicular to each other.

[0019] The support unit includes a first segment extending along a first direction and a second segment extending along a second direction, and the first and second segments are connected. Coils are respectively provided on the first and second segments, and corresponding magnets are provided on the base corresponding to the coils on the first and second segments. The coils and magnets corresponding to the first segment allow the support unit to move along the second direction, and the coils and magnets corresponding to the second segment allow the support unit to move along the first direction. Thus, by controlling the direction and magnitude of the current applied to the coils on the first and second segments, two mutually perpendicular forces can act simultaneously on the support unit, allowing arbitrary adjustment of the movement direction and mode of the support unit (translation or rotation), thereby achieving high-precision image stabilization for the image sensor.

[0020] In one possible implementation, the camera module includes a first position detection element and a second position detection element, wherein the first position detection element is disposed on the side of the first segment facing the base, and the second position detection element is disposed on the side of the second segment facing the base.

[0021] The first position detection element is configured to detect the magnetic field of the first magnet opposite to the first segment at different positions to detect the position of the support portion relative to the base in a second direction. The second position detection element is configured to detect the magnetic field of the first magnet opposite to the second segment at different positions to detect the position of the support portion relative to the base in a first direction.

[0022] The first and second sections of the support are respectively provided with a first position detection element and a second position detection element. The movement of the support in the first and second directions can be detected by different position detection elements. The movement in the two different directions can be combined to calculate the movement in other directions. This allows for a more accurate determination of the orientation of the image sensor relative to the base. This enables the camera module to drive the image sensor to move according to the amplitude and direction of the shaking for precise compensation, thereby achieving precise image stabilization.

[0023] In one possible implementation, the thickness of the flexible connection portion is less than the thickness of the fixing portion and the bearing portion in the thickness direction of the first circuit board.

[0024] By making the dimension of the flexible connection part in the thickness direction of the first circuit board smaller than that of the fixed part and the supporting part, that is, by making the flexible connection part thinner, the structural stress that needs to be overcome when the coil and the first magnet drive the flexible connection part to deform can be reduced, making the flexible connection part easier to deform to drive the supporting part to move, thereby improving the image stabilization sensitivity of the camera module.

[0025] In one possible implementation, the camera module further includes a plurality of balls, and a plurality of receiving grooves are formed between the support portion and the base. The balls are disposed in the receiving grooves one by one. The balls and the receiving grooves are configured such that when the balls roll to abut the inner wall of the receiving groove, there is still a gap between the support portion and the fixing portion in a direction perpendicular to the thickness direction of the first circuit board.

[0026] By utilizing ball bearings to support the carrier, the carrier moves more smoothly, improving the image stabilization effect. Furthermore, the combination of multiple receiving slots and multiple ball bearings increases the support points between the carrier and the base, enhancing the stability of the carrier's support. This ensures a more stable position of the image sensor along the thickness direction of the first circuit board, preventing the camera module from losing focus due to image sensor instability. Moreover, when the camera module performs image stabilization and the ball bearings stop rolling when they contact the inner wall of the receiving slot—that is, when the image stabilization compensation of the camera module reaches its maximum compensation distance—a gap remains between the carrier and the fixed part. This prevents collisions or interference between the carrier and the fixed part, avoiding interference with the image stabilization of the camera module and preventing the carrier from colliding with the fixed part and causing additional vibration.

[0027] In one possible implementation, the camera module further includes a filter, a filter holder, a first fixing member, and a second fixing member. The filter holder is disposed on the second circuit board and configured to support the filter. The filter holder has an accommodating space. The first fixing member is disposed in the accommodating space of the filter holder. The second fixing member is disposed on the side of the base facing the support portion and is disposed opposite to the first fixing member. At least one of the first fixing member and the second fixing member is a magnet. The first fixing member and the second fixing member are configured to magnetically attract each other to fix the circuit board to the base.

[0028] By hollowing out the sensor bracket and placing a first fixing member within the hollowed-out area, and simultaneously placing a second fixing member on the base corresponding to the first fixing member, at least one of the first and second fixing members is a magnet. The first and second fixing members fix the first circuit board to the base through the magnetic force between them. The nested design of the sensor bracket and the first fixing member reduces the axial dimension of the camera module, facilitating a thinner design for the camera module.

[0029] In one possible implementation, the base has a positioning groove on the side facing the support plate, and the first magnet is at least partially accommodated in the positioning groove;

[0030] And / or, the camera module further includes a magnetic conductor fixed to the base and located on the side of the first magnet away from the coil.

[0031] By embedding the first magnet at least partially into the positioning groove of the base, the position of the first magnet can be restricted by the positioning groove to improve the structural stability of the camera module. Furthermore, the nesting arrangement between the first magnet and the base further reduces the axial dimension of the camera module, increasing its integration. By providing a magnetic guide on the side of the first magnet away from the drive coil, magnetic flux leakage on that side can be reduced or prevented, allowing the first magnet to better apply magnetic force to the coil.

[0032] In one possible implementation, the camera module further includes a lens module and a first light folding element, the first light folding element having an incident light surface and an exit light surface, the lens module being connected to the incident light side of the first light folding element, and the image side of the lens module being opposite to the incident light surface of the first light folding element, the image sensor being disposed on the exit light side of the first light folding element, and the image sensor being arranged parallel to the exit light surface of the first light folding element, and the thickness direction of the first circuit board being set at an angle to the extension direction of the optical axis of the lens module.

[0033] By folding the optical axis using a first optical folding element, the optical axis is redirected. Furthermore, the thickness direction of the first circuit board is angled relative to the extension direction of the optical axis of the lens module, effectively tilting the image sensor. When the optical axis of the lens module extends in a fixed direction, the first circuit board, image sensor, and base are all tilted relative to the lens module. This reduces the overall size of the camera module in the radial direction (perpendicular to the optical axis). When the lens module itself is a periscope lens module, the optical axis undergoes at least one folding and redirection. By further altering the extension direction of the optical axis using the first optical folding element, the first circuit board, image sensor, and base can all be tilted relative to the optical axis segment before folding by the first optical folding element, thereby reducing the radial size of the camera module in that optical axis segment. This facilitates the miniaturization and thinning of electronic devices equipped with this camera module.

[0034] Secondly, this application discloses an electronic device including the camera module described in any of the above claims.

[0035] Compared with the prior art, this application has at least the following beneficial effects:

[0036] The camera module provided in this application, by directly fixing the first power component to the movable part of the first circuit board carrying the image sensor, can save the bracket used to support the first power component, thereby reducing the axial dimension of the camera module. Simultaneously, since the orthogonal projection of the movable part of the first circuit board onto the base covers the second circuit board and the second power component in the thickness direction of the first circuit board, and the first power component is located within the orthogonal projection range of the second circuit board onto the base, that is, the first power component and the second circuit board overlap in a direction perpendicular to the aforementioned thickness direction, and the second circuit board and the second power component overlap with the movable part in a direction perpendicular to the aforementioned thickness direction, the layout of the second circuit board, the first power component, and the second power component is more compact, resulting in a smaller size of the camera module in the plane perpendicular to the thickness direction of the image sensor, and further enabling a higher integration of the camera module's drive mechanism. Therefore, the camera module provided in this application helps to further reduce the axial and radial dimensions of the camera module, that is, it can reduce the size of the camera module in multiple dimensions, contributing to the thinner and lighter design of the camera module and the electronic device equipped with the camera module. Attached Figure Description

[0037] To more clearly illustrate the technical solutions in this application, the drawings used in the application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0038] Figure 1 This is a schematic diagram of the anti-shake motor of the camera module in the embodiments of this application;

[0039] Figure 2 yes Figure 1 A front view schematic diagram of the anti-shake motor shown;

[0040] Figure 3 yes Figure 2 The diagram shows a cross-sectional view of the anti-shake motor along the A-A' direction;

[0041] Figure 4 This is a front view of the first power component on the first circuit board in an embodiment of this application;

[0042] Figure 5 This is a front view of the second power component on the first circuit board in an embodiment of this application;

[0043] Figure 6 yes Figure 1 The diagram shown is an exploded view of the anti-shake motor.

[0044] Figure 7 yes Figure 3Enlarged view of region A in the middle;

[0045] Figure 8 This is a schematic diagram of the structure of the first circuit board in an embodiment of this application;

[0046] Figure 9 yes Figure 8 A front view of the first circuit board;

[0047] Figure 10 yes Figure 9 A schematic cross-sectional view of the first circuit board along the C-C' direction is shown.

[0048] Figure 11 yes Figure 10 Enlarged view of region B in the middle;

[0049] Figure 12 This is a schematic diagram of the structure in which the position detection element is arranged on the support part in an embodiment of this application;

[0050] Figure 13 yes Figure 12 A side view of the stacked structure shown;

[0051] Figure 14 yes Figure 2 The diagram shows a cross-sectional view of the anti-shake motor along the B-B' direction;

[0052] Figure 15 This is a schematic diagram of the arrangement of the balls on the base in an embodiment of this application;

[0053] Figure 16 This is a schematic diagram of the arrangement of the balls on the first circuit board in an embodiment of this application;

[0054] Figure 17 This is a schematic diagram of the camera module in the embodiments of this application;

[0055] Figure 18 yes Figure 17 The diagram shown is a front view of the camera module.

[0056] Figure 19 yes Figure 18 The diagram shows a cross-sectional view of the camera module along the D-D' direction;

[0057] Figure 20 This is a schematic diagram of the structure of an electronic device in an embodiment of this application.

[0058] Explanation of reference numerals in the attached figures:

[0059] 1. Camera module; 11. Base; 11a. First positioning groove; 11b. Second positioning groove; 11c. First receiving groove; 12. Housing; 12a. Receiving space; 12b. Through hole; 13. First circuit board; 131. Fixing part; 132. Movable part; 132a. Second receiving groove; 1321. Flexible connecting part; 13211. Connecting end; 13212. Flexible connecting wire; 1322. Bearing part; 13221. First segment; 13222. Second segment; 1323. First position detection element; 13 24. Second position detection element; 1325. Groove component; 133. First fixing component; 14. Image sensor; 141. Filter holder; 142. Filter holder; 151. First power component; 152. Second power component; 16. Magnetic conductive component; 17. Second circuit board; 171. Driver IC; 18. Ball bearing; 19. Lens module; 191. First light folding element; 191a. Light-incident surface; 191b. Light-out surface; 192. Second light folding element; 193. Imaging lens group; 193a. Image side surface;

[0060] 2. Electronic equipment; 21. Equipment body;

[0061] X, first direction; Y, second direction; Z, thickness direction. Detailed Implementation

[0062] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0063] In this application, the terms "upper," "inner," "outer," "middle," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0064] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0065] Furthermore, the terms "provided with" and "connected" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0066] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, elements, or components (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.

[0067] Currently, camera modules in electronic devices (such as smartphones) have become indispensable tools for users in their daily lives. Users utilize camera modules for taking photos, recording videos, monitoring, facial recognition, and QR code payments. Therefore, miniaturizing camera modules helps to achieve a thinner and lighter design for electronic devices, thereby improving portability and meeting users' higher usage needs.

[0068] However, the miniaturization design of camera modules generally considers meeting the need for thinner designs in the thickness direction of electronic devices, that is, achieving miniaturization of the camera module in the optical axis direction. But this will cause some structures in the camera module to be distributed in a plane perpendicular to the optical axis direction, thereby increasing the size of the camera module in the direction perpendicular to the optical axis, which cannot meet the miniaturization requirements of electronic devices.

[0069] To address the aforementioned technical problems, this application provides a camera module. By fixing a first power component to the movable portion of a first circuit board carrying an image sensor, compared to conventional designs, a separate support bracket for the first power component can be eliminated, thereby reducing the axial dimension of the camera module. Simultaneously, since the orthogonal projection of the movable portion of the first circuit board onto the base covers both the first and second power components along the thickness direction of the first circuit board, the drive mechanism of the camera module is more compact, resulting in a smaller size of the camera module in the plane perpendicular to the thickness direction of the image sensor. The camera module provided by this application helps to further reduce the size of the camera module in both the axial (optical axis direction) and radial directions perpendicular to the axial direction; that is, it can reduce the size of the camera module in multiple dimensions, contributing to the thinner and lighter design of the camera module and the electronic device equipped with it.

[0070] Please refer to the following: Figures 1 to 5 ,in, Figure 1 This is a schematic diagram of the image stabilization motor of the camera module in this embodiment. Figure 2 yes Figure 1The diagram shown is a front view of the anti-shake motor. Figure 3 yes Figure 2 The diagram shows a cross-sectional view of the anti-shake motor along the A-A' direction. Figure 4 This is a front view of the first power component on the first circuit board in an embodiment of this application. Figure 5 This is a front view of the second power component on the first circuit board in an embodiment of this application.

[0071] In a first aspect, embodiments of this application provide a camera module 1, which includes a base 11. The base 11 can be made of an insulating material, which is beneficial for achieving a lightweight design of the camera module 1. Alternatively, the base 11 can also be made of metal or magnetic material, which can shield the influence of external magnetic fields on the internal components of the camera module 1, and at the same time prevent magnetic leakage from the internal magnetic components of the camera module 1.

[0072] In some embodiments, the camera module 1 further includes a housing 12, which is fixedly connected to the base 11. The housing 12 and the base 11 together form an accommodating space 12a to accommodate the remaining components of the camera module 1. For example, the housing 12 forms a groove-shaped space, and the base 11 is partially embedded in the housing 12, sealing the opening of the groove-shaped space formed by the housing 12.

[0073] In some embodiments, the camera module 1 further includes a first circuit board 13, which includes a fixed portion 131 and a movable portion 132 connected to each other. The fixed portion 131 is hollowed out, and the movable portion 132 is located in the hollowed-out area of ​​the fixed portion 131 and is movable relative to the fixed portion 131. It is understood that the fixed portion 131 of the circuit board 13 is fixed to the base 11, and the circuit board 13 is accommodated in the accommodating space 12a formed by the housing 12 and the base 11.

[0074] In some embodiments, the camera module 1 further includes a second circuit board 17, which is disposed on the movable portion 132 of the first circuit board 13 and is electrically connected to the movable portion 132. In the thickness direction Z of the first circuit board 13, the orthographic projection of the movable portion 132 on the base 11 completely covers the second circuit board 17.

[0075] In some embodiments, the camera module 1 further includes an image sensor 14, which is disposed on and electrically connected to the second circuit board 17. The image sensor 14 is located on the side of the second circuit board 17 facing away from the base 11. Specifically, in this application, the second circuit board 17 is driven by the movable part 132 to move the image sensor 14 in a plane perpendicular to the thickness direction Z of the first circuit board 13 to achieve image stabilization.

[0076] It is understood that the image sensor 14 is also located in the housing space 12a. A through hole 12b is formed at the bottom of the housing 12, and the through hole 12b is opposite to the image sensor 14. Imaging light from the lens (not shown) shines onto the image sensor 14 through the through hole 12b, so that the image sensor 14 can achieve imaging. Furthermore, the movement of the image sensor 14 in the plane perpendicular to the thickness direction Z of the first circuit board 13 can be translation and / or rotation.

[0077] In some embodiments, the camera module 1 further includes a first power member 151 and a second power member 152. The first power member 151 is disposed on the side of the movable part 132 facing the base 11, and the second power member 152 is disposed on the base 11 and arranged opposite to the first power member 151. The first power member 151 and the second power member 152 cooperate with each other to drive the movable part 132 to move the image sensor 14 in a plane perpendicular to the thickness direction of the first circuit board 13.

[0078] In some embodiments, the first power member 151 and the second power member 152 are located within the orthographic projection range of the movable part 132 on the base 11, that is, the orthographic projection of the movable part 132 on the base 11 covers the first power member 151 and the second power member 152. More specifically, the orthographic projection of the second circuit board 17 on the base 11 completely covers the first power member 151.

[0079] It should be noted that the first power member 151 and the second power member 152 are located within the orthographic projection range of the movable part 132 on the base 11. This can also be understood as the first power member 151 and the second power member 152 being within the coverage and movement range of the movable part 132 in the thickness direction Z of the first circuit board 13, or the first power member 151 and the second power member 152 being within the hollow area defined by the fixed part 131 in the thickness direction Z of the first circuit board 13.

[0080] In this application, by fixing the first power member 151 to the movable part 132 of the first circuit board 13 that carries the image sensor 14, a separate bracket for supporting the first power member 151 can be saved, thereby reducing the axial (optical axis direction, or thickness direction of the first circuit board 13) size of the camera module 1. Simultaneously, since the orthographic projection of the movable part 132 of the first circuit board 13 onto the base 11 covers the second circuit board 17 and the second power member 152 in the thickness direction of the first circuit board 13, and the first power member 151 is located within the orthographic projection range of the second circuit board 17 onto the base 11, that is, the first power member 151 and the second circuit board 17 overlap in a direction perpendicular to the aforementioned thickness direction Z, and the second circuit board 17 and the second power member 152 overlap with the movable part 132 in a direction perpendicular to the aforementioned thickness direction Z, the layout of the second circuit board 17, the first power member 151, and the second power member 152 is more compact, resulting in a higher integration of the driving mechanism of the camera module 1, and thus a smaller size of the camera module 1 in the plane perpendicular to the thickness direction of the image sensor 14. The camera module 1 provided in this application helps to further reduce the size of the camera module 1 in the axial direction and the radial direction perpendicular to the axial direction. That is, it can reduce the size of the camera module 1 in multiple dimensions, which helps to achieve a thinner and lighter design of the camera module 1 and the electronic device equipped with the camera module 1.

[0081] It is understood that one of the first power element 151 and the second power element 152 is a coil, and the other is a first magnet. When the coil is energized, it generates a magnetic field. This magnetic field interacts with the magnetic field of the first magnet. Since the first power element 151 is mounted on the movable part 132 and the second power element 152 is mounted on the base 11, and the movable part 132 is movable relative to the base 11, the second power element 152 remains fixed, while the first power element 151 moves under the interaction of the first and second power elements 151, driving the movable part 132 to move synchronously. The following explanation uses the example of the first power element 151 being a coil and the second power element 152 being a first magnet, but it does not mean that the following content applies only to this example.

[0082] Please see also Figure 6 , Figure 6 yes Figure 1 The diagram shown is an exploded view of the anti-shake motor.

[0083] In some embodiments, a first positioning groove 11a is provided on the side of the base 11 facing the first circuit board 13. The first positioning groove 11a is configured to correspond to the first magnet, and the first magnet is at least partially embedded in the positioning groove 11a. In this way, the first positioning groove 11a can be used to limit and fix the first magnet, preventing the first magnet from moving relative to the base 11, thereby improving the structural stability of the camera module 1. Furthermore, the nested design of the first magnet and the base 11 can further reduce the size of the camera module 1 in the thickness direction of the first circuit board 13, thereby improving the integration of the camera module 1.

[0084] In some embodiments, the camera module 1 further includes a magnetic guide 16, which is fixed to the base 11 and located on the side of the first magnet away from the coil. For example, the magnetic guide 16 is disposed in the first positioning groove 11a, and the first magnet is stacked on the magnetic guide 16. Using the magnetic guide 16, the magnetic field of the first magnet can be concentrated in the space facing the coil, thereby improving the interaction between the first magnet and the coil when the coil is energized, thus improving the sensitivity of the camera module 1's image stabilization. Simultaneously, it can also prevent magnetic leakage from the first magnet on the side away from the coil.

[0085] In some embodiments, the camera module 1 further includes a first fixing member 133 and a second fixing member (not shown). The first fixing member 133 is disposed on the side of the movable part 132 opposite to the base 11. For example, the first fixing member 133 can be disposed on the second circuit board 17, and the image sensor 14 is located on the side of the first fixing member 133 opposite to the movable part 132. The base 11 also includes a second positioning groove 11b, which is spaced apart from the first positioning groove 11a. The second positioning groove 11b is used to accommodate the second fixing member. At least one of the first fixing member 133 and the second fixing member is a magnet. The first fixing member 133 and the second fixing member are magnetically attracted to fix the first circuit board 13 to the base 11.

[0086] It is understandable that when one of the first fixing member 133 and the second fixing member is a magnet, the other can be a magnet or a metal part. When both the first fixing member 133 and the second fixing member are magnets, the opposing magnetic poles of the two magnets should be opposite. The attraction between the first fixing member 133 and the second fixing member makes them together form a magnetic "spring". When the camera module 1 is subjected to impact or vibration, the first circuit board 13 may shift relative to the base 11, but after the impact or vibration ends, the attraction between the first fixing member 133 and the second fixing member may drive the first fixing member 133 to move the first circuit board 13 back to its original position, so that the first circuit board 13 is fixed back to the base 11.

[0087] Optionally, when either the first fixing member 133 or the second fixing member is a metal component, the metal component can be a metal plate, a metal mesh structure, a metal strip, or other structural components. Using a metal plate increases the attraction area of ​​the second magnet, thereby increasing the force exerted by the magnet on the metal component and making the force distribution more even. Using a metal mesh structure not only makes the force distribution of the magnet on the metal component more even but also appropriately reduces the weight of the metal component, which is beneficial for reducing the weight of the camera module 1 and achieving a lightweight design for the camera module 1. Using metal strips can reduce the volume of the metal component, thereby reducing its weight and ultimately reducing the overall weight of the camera module 1.

[0088] Please see again Figure 6 See also Figure 7 , Figure 7 yes Figure 3 An enlarged schematic diagram of region A in the middle.

[0089] In some embodiments, the camera module 1 further includes a filter 141, which is disposed on the side of the image sensor 14 facing away from the base 11. The filter 141 is used to filter the imaging light to reduce the influence of stray light on the final imaging effect of the camera module 1. It is understood that different filters 141 can be selected according to the actual application requirements of the camera module 1. For example, when it is desired that the camera module 1 can have a better imaging effect in a low-light environment, it is necessary to allow red light and / or infrared light to pass through the filter 141, and the image sensor 14 should achieve imaging based on the red light and / or infrared light passing through the filter 141. In this case, the filter 141 is a filter that allows red light and / or infrared light to pass through. Of course, in other application scenarios, the filter 141 can also be configured to allow light of other wavelengths to pass through, which will not be elaborated here.

[0090] In some embodiments, the camera module 1 further includes a filter holder 142, which is disposed on the side of the second circuit board 17 opposite to the base 11, and a filter 141 is disposed on the filter holder 142. The filter holder 142 has a receiving space 142a, in which the image sensor 14 and the first fixing member 133 are accommodated. Thus, through the nested design of the image sensor 14, the first fixing member 133, and the filter holder 142, the integration density of the components in the camera module 1 in the thickness direction of the first circuit board 13 can be further improved, and the size of the camera module 1 in the thickness direction of the first circuit board 13 can be reduced.

[0091] In some embodiments, the filter holder 142 may have a slot on the side away from the base 11 to form a receiving portion (not shown). The receiving portion is used to support the filter 141. The inner wall formed around the receiving portion after the slot is formed in the filter holder 142 can position the filter 141 to prevent the filter 141 from shifting relative to the filter holder 142.

[0092] In some embodiments, the filter holder 142 can be a metal holder or a non-metal holder. Preferably, the filter holder 142 can be set as a non-metal holder, such as a plastic holder. This can reduce the overall weight of the camera module 1 and help to achieve a lightweight design of the camera module 1.

[0093] It is understood that the first fixing member 133 and the filter bracket 142 are both arranged on the side of the second circuit board 17 away from the base 11, and the second circuit board 17 is used to support the first fixing member 133 and the filter bracket 142.

[0094] In some embodiments, the second circuit board 17 is further provided with a driver IC 171, which is electrically connected to the image sensor 14. The image sensor 14 interacts with external circuits through the driver IC 171.

[0095] In some embodiments, the image sensor 14, the filter holder 142, and the second circuit board 17 are all located within the orthographic projection range of the movable part 132 on the base 11. This allows for a more compact structure, helping to reduce the overall size of the camera module 1 in a plane perpendicular to the thickness direction Z.

[0096] Please see also Figures 8 to 11 , Figure 8 This is a schematic diagram of the structure of the first circuit board in an embodiment of this application. Figure 9 yes Figure 8 A front view of the first circuit board. Figure 10 yes Figure 9 The diagram shows a cross-sectional view of the first circuit board along the C-C' direction. Figure 11 yes Figure 10 An enlarged schematic diagram of region A in the middle.

[0097] In some embodiments, the movable portion 132 of the first circuit board 13 includes a flexible connecting portion 1321 and a supporting portion 1322. The flexible connecting portion 1321 is spirally arranged, with one end fixedly connected to and electrically connected to the supporting portion 1322, and the other end fixedly connected to and electrically connected to the fixing portion 131. A coil is disposed on the supporting portion 1322. Because the fixing portion 131 and the supporting portion 1322 are flexibly connected via the flexible connecting portion 1321, when the coil is energized and interacts with the first magnet to move the supporting portion 1322, the flexible connecting portion 1321 can deform under the drive of the supporting portion 1322 to meet the need for the supporting portion 1322 to move. The flexible connector 1321 is spirally arranged. Compared to a straight structure, the spiral flexible connector 1321 has greater deformation redundancy, allowing the coil and the first magnet to bend and deform with only a small amount of material stress. This reduces the resistance that the flexible connector 1321 needs to overcome during deformation, resulting in less resistance to the image sensor 14 when it moves in a plane perpendicular to the thickness direction of the first circuit board 13. In other words, during automatic image stabilization, the resistance to the image sensor 14 when moving in a plane perpendicular to the thickness direction of the first circuit board 13 can be reduced, thereby improving the response speed of automatic image stabilization and facilitating its implementation. Furthermore, by placing the coil on the support portion 1322, the support portion 1322 can also be used to power the coil, saving on additional power supply lines and simplifying the internal structure of the camera module 1.

[0098] Understandably, the second circuit board 17 is mounted on the support portion 1322. When the coil is energized, the magnetic field generated by the coil interacts with the magnetic field of the first magnet, causing the coil to drive the support portion 1322 to move. The support portion 1322 then drives the second circuit board 17 to move synchronously, and the second circuit board 17 drives the filter holder 142 and the image sensor 14 to move synchronously.

[0099] In some embodiments, there are two flexible connecting portions 1321 and two supporting portions 1322. The two supporting portions 1322 are arranged opposite to each other, and the two flexible connecting portions 1321 are also arranged opposite to each other. One end of each flexible connecting portion 1321 is connected to the opposite sides of the fixing portion 131, and the other end of each flexible connecting portion 1321 extends spirally between the two supporting portions 1322 and is connected one-to-one. With this configuration, when the image sensor 14 moves in a plane perpendicular to the thickness direction of the first circuit board 13, the two supporting portions 1322 are constrained by the corresponding flexible connecting portions 1321, so that the force on the image sensor 14 disposed on the two supporting portions 1322 is relatively balanced. This can improve the stability of the image sensor 14 during the image stabilization process and prevent the image sensor 14 from shaking or displacing in an undesirable direction due to uneven force.

[0100] In some embodiments, in the thickness direction of the first circuit board 13, the thickness d1 of the flexible connection portion 1321 is less than the thickness d2 of the support portion 1322, that is, the thickness of the flexible connection portion 1321 is smaller than the thickness of the support portion 1322. This reduces the structural stress that needs to be overcome when the coil and the first magnet drive the flexible connection portion 1321 to deform, making the flexible connection portion 1321 easier to deform to move the support portion 1322, thereby improving the image stabilization sensitivity of the camera module 1.

[0101] In some embodiments, in the direction from the base 11 to the housing 12, the surface of the flexible connection portion 1321 facing the second circuit board 17 is located below the surface of the support portion 1322 facing the second circuit board 17. That is, in the direction from the base 11 to the second circuit board 17, the distance between the surface of the flexible connection portion 1321 facing the second circuit board 17 and the surface of the second circuit board 17 facing the flexible connection portion 1321 is less than the distance between the surface of the support portion 1322 facing the second circuit board 17 and the surface of the second circuit board 17 facing the support portion 1322. In other words, with reference to the second circuit board 17, the surface of the flexible connection portion 1321 facing the second circuit board 17 is recessed relative to the surface of the support portion 1322 facing the second circuit board 17. Thus, after the second circuit board 17 is placed on the support portion 1322, a gap exists between the second circuit board 17 and the flexible connection portion 1321, preventing contact or connection between the second circuit board 17 and the flexible connection portion 1321, and avoiding the second circuit board 17 affecting the deformation of the flexible connection portion 1321.

[0102] In some embodiments, the flexible connection portion 1321 includes two spaced-apart connection ends 13211 and a flexible connecting wire 13212 connecting the two connection ends 13211. Multiple flexible connecting wires 13212 are arranged at intervals. The two connection ends 13211 are respectively connected to the fixing portion 131 and the supporting portion 1322. Alternatively, the strip-shaped flexible connection portion 1321 can be hollowed out to form a flexible connection portion 1321 with multiple spaced-apart flexible connecting wires 13212. This further increases the deformation redundancy of the flexible connection portion 1321 while reducing the stress that needs to be overcome for the flexible connection portion 1321 to deform when the first magnet and coil interact, thereby further improving the image stabilization sensitivity of the camera module 1.

[0103] It is understandable that, since the fixing part 131 is hollowed out, i.e., annular, and the movable part 132 is located in the hollowed-out area of ​​the fixing part 131, both the flexible connecting part 1321 and the supporting part 1322 are located in the hollowed-out area of ​​the fixing part 131. Thus, one connecting end 13211 of the flexible connecting part 1321 is connected to the inner side of the ring of the fixing part 131, while the other connecting end 13211 is connected to the supporting part 1322.

[0104] It should be noted that there is a gap between the fixed part 131 and the supporting part 1322, so that the supporting part 1322 can move within the area defined by the fixed part 131 to achieve image stabilization of the camera module 1.

[0105] In some embodiments, the support portion 1322 includes a first segment 13221 and a second segment 13222. The first segment 13221 extends along a first direction X, and the second segment 13222 extends along a second direction Y. One end of the first segment 13221 is connected to the flexible connecting portion 1321, and the other end of the first segment 13221 is connected to one end of the second segment 13222. The other end of the second segment 13222 is a free end. That is, the support portion 1322 is generally L-shaped. Both the first segment 13221 and the second segment 13222 are provided with coils. The base 11 is provided with two first magnets corresponding to the two coils. The coil on the first segment 13221 and the first magnet opposite it are used to drive the support portion 1322 to move in the second direction Y, and the coil on the second segment 13222 and the first magnet opposite it are used to drive the support portion 1322 to move in the first direction X. By controlling the direction and magnitude of the current applied to the coils on the first segment 13221 and the second segment 13222, the coil and the first magnet on the first segment 13221 can form a force along the second direction Y, and the coil and the second magnet on the second segment 13222 can form a force along the first direction X. The two mutually perpendicular forces act together on the support part 1322, so as to arbitrarily adjust the movement mode (translation or rotation) of the support part 1322, thereby achieving high-precision image stabilization of the image sensor 14.

[0106] The first segment 13221 and the second segment 13222 can both be plate-shaped, and the thickness direction of the first segment 13221 and the second segment 13222 is the same as the thickness direction of the fixing part 131.

[0107] It is understood that the first segments 13221 of the two support portions 1322 are arranged opposite each other in the second direction Y, and the second segments 13222 of the two support portions 1322 are arranged opposite each other in the first direction X. Furthermore, there is a gap between the first segment 13221 of the first support portion 1322 and the second segment 13222 of the second support portion 1322. One connecting end 13211 of the flexible connecting portion 1321 connected to the first support portion 1322 is connected to the inner side of the ring of the fixing portion 131. The flexible connecting wire 13212 extends through this gap to the space between the two support portions 1322 and is connected to the second segment 13222 of the first support portion 1322 through the other connecting end 13211. There is also a gap between the second segment 13222 of the first support portion 1322 and the first segment 13221 of the second support portion 1322. One end 13211 of the flexible connecting portion 1321 connected to the second support portion 1322 is connected to the inner side of the ring of the fixing portion 131. The flexible connecting wire 13212 extends through the gap to the space between the two support portions 1322 and is connected to the second segment 13222 of the second support portion 1322 through the other end 13211.

[0108] When both support portions 1322 include the aforementioned first segment 13221 and second segment 13222, both the first segment 13221 and second segment 13222 of the two support portions 1322 can be provided with the aforementioned coils, i.e., there are a total of four coils, which are arranged at intervals around the flexible connecting portion 1321. Adaptively, the base 11 is provided with four first positioning slots 11a corresponding to the four coils, and a first magnet is embedded in each first positioning slot 11a. When at least one of the four coils is energized, the magnetic field of its corresponding first magnet can interact with the magnetic field generated by the energized coil, so that the support portion 1322 moves in a plane perpendicular to the thickness direction Z. Furthermore, by controlling the current direction and magnitude of different coils, the position and orientation of the support portion 1322 can be adjusted by using multiple different magnetic field forces to achieve anti-shake at any angle and distance in the hollow area defined by the fixing portion 131.

[0109] Understandably, taking a square base 11 and a square ring-shaped fixing part 131 as an example, the second positioning groove 11b can be arranged at the center of the base 11. When there are four first positioning grooves 11a, the four first positioning grooves 11a can be arranged around the aforementioned second positioning groove 11b. In this way, the first fixing member 133 and the second fixing member exert force on the first circuit board 13 at the center of the base 11, making the overall force on the fixing part 131 more balanced. At the same time, since the four coils and four first magnets are arranged around the second fixing member, when the camera module 1 performs image stabilization, the different coils and first magnets exert force simultaneously, which can make the force on the support part 1322 more balanced, thereby making the movement process of the support part 1322 more stable.

[0110] Of course, there may be more than four coils and four first magnets. In this case, at least one first segment 13221 or at least one second segment 13222 is provided with more than one coil, and the first magnet is adaptively set according to the number and position of the coils.

[0111] Please see also Figure 12 and Figure 13 , Figure 12 This is a schematic diagram of the structure in which the position detection element is arranged on the support part in an embodiment of this application. Figure 13 yes Figure 12 A side view of the stacked structure shown.

[0112] In some embodiments, the camera module 1 further includes a first position detection element 1323, which is disposed on either the first segment 13221 or the second segment 13222 of one of the two support portions 1322, and located on the side of the support portion 1322 facing away from the second circuit board 17. Taking the first position detection element 1323 disposed on the first segment 13221 of the support portion 1322 as an example, when the support portion 1322 with the first position detection element 1323 moves in the second direction Y, the first position detection element 1323 can detect the position of the support portion 1322 relative to the base 11 in the second direction Y, so that the camera module 1 can perform image stabilization compensation based on the detection result of the first position detection element 1323.

[0113] In some embodiments, the camera module 1 further includes a second position detection element 1324, which is disposed on the first segment 13221 or the second segment 13222 of either of the two support portions 1322, and is located on the side of the support portion 1322 away from the second circuit board 17.

[0114] It should be noted that the first position detection element 1323 and the second position detection element 1324 are respectively disposed on the first segment 13221 of the support portion 1322 and the second segment 1322 of the support portion 1322, so as to detect the position of the support portion 1322 relative to the base 11 in different directions. Taking the first position detection element 1323 disposed on the first segment 13221 of the support portion 1322 and the second position detection element 1324 disposed on the second segment 13222 of the support portion 1322 as an example, as mentioned above, the first position detection element 1323 detects the position of the support portion 1322 relative to the base 11 in the second direction Y, and the second position detection element 1324 detects the position of the support portion 1322 relative to the base 11 in the first direction X. In this way, the movement of the support portion 1322 in the first direction X and the second direction Y can be detected by different position detection elements, and the movement of the support portion 1322 in other directions can be calculated by combining the movement in the two different directions. This allows for a more accurate determination of the orientation of the image sensor 14 relative to the base 11, so that the camera module 1 can drive the image sensor 14 to move according to the amplitude and direction of the shaking for precise compensation, thereby achieving precise image stabilization.

[0115] In one exemplary scenario, when the camera module 1 experiences shaking due to impact or vibration, the first position detection element 1323 and the second position detection element 1324 detect the movement direction and corresponding amount of the support portion 1322 relative to the base 11 in different directions. This movement direction and amount can be considered as the shaking amount of the image sensor 14. Subsequently, a signal containing position information such as the movement direction and amount is sent to the control circuit of the electronic device via the support portion 1322 and the flexible connection portion 1321. The control circuit calculates the direction and amount of movement required for image sensor 14 anti-shake compensation based on this signal, which can be called the compensation value. Based on the required compensation value, the coil is energized. The magnetic field generated by the energized coil interacts with the magnetic field of the first magnet, causing the support portion 1322 to move an appropriate distance in the opposite direction to the shaking direction, thereby achieving anti-shake. At this time, the first position detection element 1323 and the second position detection element 1324 can continue to detect the position of the support portion 1322 relative to the base 11 and send relevant signals to the control circuit to determine the appropriateness of the anti-shake compensation, avoiding under-compensation or over-compensation.

[0116] Optionally, the first position detection element 1323 and / or the second position detection element 1324 can be a capacitive sensor, a resistive sensor, or a Hall sensor, etc. In this application, the first position detection element 1323 and the second position detection element 1324 are used as Hall sensors for illustration. When the support part 1322 moves relative to the base 11, the first position detection element 1323 and the second position detection element 1324 determine the position of the support part 1322 relative to the base 11 by detecting the change in the magnetic field of the first magnet opposite to it at different positions.

[0117] Please see also Figures 14 to 16 , Figure 14 yes Figure 2 The diagram shows a cross-sectional view of the anti-shake motor along the B-B' direction. Figure 15 This is a schematic diagram of the arrangement of the balls on the base in an embodiment of this application. Figure 16 This is a schematic diagram of the arrangement of the balls on the first circuit board in an embodiment of this application.

[0118] In some embodiments, the camera module 1 further includes a plurality of balls 18, and a plurality of receiving grooves are formed between the base 11 and the support portion 1322. The balls 18 are correspondingly disposed in the receiving grooves and can roll within the receiving grooves. The cooperation of the plurality of receiving grooves and the plurality of balls 18 increases the support points between the support portion 1322 and the base 11, improves the stability of the support for the support portion 1322, and makes the position of the image sensor 14 in the thickness direction Z of the first circuit board 13 more stable, thus preventing the camera module 1 from going out of focus due to the unstable position of the image sensor 14.

[0119] Understandably, when the camera module 1 is subjected to impact or vibration, or when the carrier part 1322 moves due to the cooperation of the coil and the first magnet, the ball 18 will roll in the receiving groove.

[0120] In some embodiments, the ball 18 and the receiving groove are configured such that when the ball 18 rolls within the receiving groove and comes into contact with the inner wall of the receiving groove, the ball 18 is stopped by the inner wall of the receiving groove and cannot continue rolling. At this time, the supporting part 1322 also cannot continue to move. That is, the image stabilization compensation distance of the camera module 1 reaches its maximum when the ball 18 comes into contact with the inner wall of the receiving groove. Furthermore, at this time, there is still a gap between the fixing part 131 and the supporting part 1322, that is, there is no contact between the fixing part 131 and the supporting part 1322. In this way, during the image stabilization process of the camera module 1, collisions or interference between the supporting part 1322 and the fixing part 131 can be avoided, preventing interference with the image stabilization of the camera module 1, and also preventing the supporting part 1322 from colliding with the fixing part 131 and causing additional shaking.

[0121] It is understood that the receiving groove can be provided on the support part 1322 or the base 11, or the receiving groove can be provided on both the support part 1322 and the base 11, and the receiving grooves on the support part 1322 and the base 11 are arranged opposite to each other.

[0122] Taking an example where both the support portion 1322 and the base 11 are provided with receiving grooves, the base 11 is provided with a first receiving groove 11c, and the support portion 1322 is provided with a second receiving groove 132a. Multiple first receiving grooves 11c are spaced apart around the second positioning groove 11b, and the second receiving grooves 132a are provided corresponding to the first receiving grooves 11c. When the base 11 is a square base, there can be four first receiving grooves 11c, and the four first receiving grooves 11c are respectively arranged at the four right angles of the square base. Of the four second receiving slots 132a, one second receiving slot 132a is located at the connection between the first segment 13221 and the second segment 13222 in one support portion 1322; one second receiving slot 132a is located near the free end of the second segment 13222 of the same support portion 1322; one second receiving slot 132a is located at the connection between the first segment 13221 and the second segment 13222 in another support portion 1322; and the other second receiving slot 132a is located near the free end of the second segment 13222 of the same support portion 1322. In other words, the four first receiving slots 11c and the four second receiving slots 132a are arranged in a one-to-one correspondence. It can be understood that there are four balls 18, and each ball 18 is received in a corresponding manner within the receiving space enclosed by the first receiving slots 11c and the second receiving slots 132a.

[0123] It should be noted that the sum of the depths of the first receiving groove 11c and the second receiving groove 132a in the thickness direction Z is less than the diameter of the ball bearing 18. Thus, when the ball bearing 18 is placed in the first receiving groove 11c and the second receiving groove 132a, the ball bearing 18 can maintain a distance between the portion of the base 11 forming the first receiving groove 11c and the sidewall forming the second receiving groove 132a. This prevents friction or interference between the portion of the base 11 forming the first receiving groove 11c and the sidewall forming the second receiving groove 132a during image stabilization, thus avoiding affecting the normal image stabilization function.

[0124] In some embodiments, the second receiving groove 132a is formed by a groove-shaped member 1325 disposed on the support portion 1322, which can be fixed to the support portion 1322 by welding, gluing, plugging or other means.

[0125] Optionally, the first receiving groove 11c and / or the second receiving groove 132a can be a square groove or a circular groove. When the receiving groove is a circular groove, the maximum stroke of the ball 18 in the receiving groove is the diameter of the circular groove. When the receiving groove is a square groove, if the side length of the square groove is D and the diameter of the ball 18 is R, the maximum stroke of the ball 18 in the direction of the extension of the side length of the square groove is D. In the diagonal direction of the square groove, the maximum stroke of the ball 18 can be calculated by plane geometry and / or trigonometric functions.

[0126] Please see also Figure 17 , Figure 17 This is a schematic diagram of the camera module in the embodiments of this application.

[0127] The camera module 1 also includes a lens module 19, which is connected to the housing 12. The light-emitting side of the lens module 19 is opposite to the through hole 12b of the housing 12. The light passing through the lens module 19 is emitted from the light-emitting side of the lens module 19 and projected onto the image sensor 14 through the through hole 12b to achieve imaging.

[0128] Please see also Figure 18 and Figure 19 , Figure 18 yes Figure 17 The diagram shown is a front view of the camera module. Figure 19 yes Figure 18 The diagram shows a cross-sectional view of the camera module along the D-D' direction.

[0129] In some embodiments, the camera module 1 further includes a first light folding element 191, which has a light-incident surface 191a and a light-exit surface 191b. A lens module 19 is connected to the light-incident side of the first light folding element 191, and the image-side surface of the lens module 19 is opposite to the light-incident surface 191a of the first light folding element 191. An image sensor 14 is disposed on the light-exit side of the first light folding element 191, and the image sensor 14 is arranged parallel to the light-exit surface 191b of the first light folding element 191. The thickness direction Z of the first circuit board 13 is set at an angle to the extension direction of the optical axis of the lens module 19. By folding the optical axis using the first light folding element 191, the optical axis is rotated, and the thickness direction Z of the first circuit board 13 is set at an angle to the extension direction of the optical axis of the lens module 19, that is, the image sensor 14 is tilted. When the optical axis of the lens module 19 extends along a fixed direction, the first circuit board 13, image sensor 14, and base 11 are all tilted relative to the lens module 19. This reduces the overall size of the camera module 1 in the radial direction (perpendicular to the optical axis) of the lens module 19. When the lens module 19 is a periscope lens module, the optical axis of the lens module 19 undergoes at least one folding. By using the first optical folding element 191 to further change the extension direction of the optical axis, the first circuit board 13, image sensor 14, and base 11 can all be tilted relative to the optical axis segment before folding by the first optical folding element 191, thereby reducing the radial size of the camera module 1 in that optical axis segment. This helps to achieve a miniaturized and thinner design of the electronic device equipped with the camera module 1.

[0130] It is understandable that the first light folding element 191 is a prism, such as a right-angle prism or a trapezoidal prism. The specific prism type and size can be selected and set according to actual needs, which will not be elaborated here.

[0131] For example, such as Figure 16As shown, the lens module 19 is a periscope lens module, which has a second light folding element 192 and an imaging lens group 193 disposed on the image side of the second light folding element 192. The first light folding element 191 is opposite to the image side 193a of the imaging lens group 193. During imaging, light enters the second light folding element 192 from the light-incident side and is deflected to the imaging lens group 193. After passing through the imaging lens group 193, the light enters the first light folding element 191 and is projected onto the image sensor 14 after being deflected by the first light folding element 191. Here, the image sensor 14 is arranged at an angle relative to the optical axis of the imaging lens group 193. Optionally, the second light folding element 192 is a right-angle prism. When the camera module is applied to electronic devices such as smartphones, the extension direction of the optical axis of the imaging lens group 193 is perpendicular to the thickness direction of the electronic device, while the thickness direction of the image sensor 14 is arranged at an angle to both the extension direction of the optical axis of the imaging lens group 193 and the thickness direction of the electronic device. This reduces the space occupied by the image sensor 14 in the thickness direction of the electronic device, which is beneficial for the thinning design of the electronic device.

[0132] Please see also Figure 20 , Figure 20 This is a schematic diagram of the structure of an electronic device in an embodiment of this application.

[0133] Secondly, this application provides an electronic device 2, including the camera module 1 described in the first aspect. Specifically, the electronic device 2 has a device body 21, and the camera module 1 is disposed on the device body 21.

[0134] Optionally, the electronic device 2 can be a mobile phone, smartwatch, tablet computer, laptop computer, etc., and this application does not make specific limitations on it.

[0135] The above provides a detailed description of a camera module and electronic device disclosed in the embodiments of this application. This document uses specific examples to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the camera module and electronic device of this application and its core ideas. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A camera module, characterized in that, include: A first circuit board includes a fixed part and a movable part that are connected to each other. The fixed part is hollowed out, and the movable part is disposed in the hollowed-out area of ​​the fixed part and is movable relative to the fixed part. A second circuit board is disposed on the movable part and is electrically connected to the movable part; An image sensor, wherein the image sensor is disposed on and electrically connected to the second circuit board; A base is located on the side of the first circuit board opposite to the image sensor, and the base is configured to support the fixed part so that the movable part is movable relative to the base; The first power component is disposed on the side of the movable part facing the base; The second power component is disposed on the base and is disposed opposite to the first power component. One of the second power component and the first power component is a coil and the other is a first magnet. The second power component and the first power component are used to drive the movable part to move the image sensor in a plane perpendicular to the thickness direction of the first circuit board. The second circuit board and the second power component are located within the orthographic projection range of the movable part on the base, and the first power component is located within the orthographic projection range of the second circuit board on the base.

2. The camera module according to claim 1, characterized in that, The movable part includes a flexible connecting part and a supporting part. The flexible connecting part is spirally arranged. One end of the flexible connecting part is fixed to the supporting part and electrically connected to the supporting part. The other end of the flexible connecting part is fixed to the fixed part and electrically connected to the fixed part. The supporting part and the fixed part are arranged at intervals. The flexible connecting part is used to flexibly connect the supporting part. The second circuit board and the first power component are both located on the supporting part.

3. The camera module according to claim 2, characterized in that, The supporting part includes a first segment and a second segment. The first segment extends along a first direction, and the second segment extends along a second direction. One end of the first segment is connected to the flexible connecting part, and the other end of the first segment is connected to one end of the second segment. The other end of the second segment is a free end. The first power component is a coil, and the second power component is a first magnet. Both the first segment and the second segment are provided with the coil. The base is provided with two first magnets. The coil on the first segment and the first magnet opposite it are used to drive the bearing part to move in the second direction. The coil on the second segment and the first magnet opposite it are used to drive the bearing part to move in the first direction. The thickness direction of the first circuit board, the first direction, and the second direction are all perpendicular to each other.

4. The camera module according to claim 3, characterized in that, The camera module includes a first position detection element and a second position detection element. The first position detection element is disposed on the side of the first segment facing the base, and the second position detection element is disposed on the side of the second segment facing the base. The first position detection element is configured to detect the magnetic field of the first magnet opposite to the first segment at different positions to detect the position of the support portion relative to the base in a second direction. The second position detection element is configured to detect the magnetic field of the first magnet opposite to the second segment at different positions to detect the position of the support portion relative to the base in a first direction.

5. The camera module according to claim 2, characterized in that, In the thickness direction of the first circuit board, the thickness of the flexible connection portion is less than the thickness of the fixing portion and the bearing portion.

6. The camera module according to claim 2, characterized in that, The camera module also includes multiple balls, and multiple receiving grooves are formed between the support part and the base. The balls are correspondingly disposed in the receiving grooves. When the balls roll to abut the inner wall of the receiving groove, there is still a gap between the support part and the fixing part in the direction perpendicular to the thickness direction of the first circuit board.

7. The camera module according to claim 2, characterized in that, The camera module further includes a filter, a filter holder, a first fixing member, and a second fixing member. The filter holder is disposed on the second circuit board and is configured to support the filter. The filter holder has an accommodating space. The first fixing member is disposed in the accommodating space of the filter holder. The second fixing member is disposed on the side of the base facing the supporting part and is disposed opposite to the first fixing member. At least one of the first fixing member and the second fixing member is a magnet. The first fixing member and the second fixing member are configured to magnetically attract each other to fix the first circuit board to the base.

8. The camera module according to any one of claims 1-7, characterized in that, The base has a positioning groove on the side facing the first circuit board, and the second power component is at least partially accommodated in the positioning groove; And / or, the camera module further includes a magnetic conductor, which is fixed to the base and located on the side of the second power component away from the first power component.

9. The camera module according to any one of claims 1-7, characterized in that, The camera module further includes a lens module and a first light folding element. The first light folding element has a light-incident surface and a light-outcident surface. The lens module is connected to the light-incident side of the first light folding element, and the image side of the lens module is opposite to the light-incident surface of the first light folding element. The image sensor is disposed on the light-outcident side of the first light folding element, and the image sensor is arranged parallel to the light-outcident surface of the first light folding element. The thickness direction of the first circuit board is set at an angle to the extension direction of the optical axis of the lens module.

10. An electronic device, characterized in that, Includes the camera module as described in any one of claims 1-9.

Images