Camera module and electronic device

Abstract

Embodiments of the present application provide a camera module and an electronic device. According to the camera module, a light shielding member, a front-end optical device, and a driving apparatus are provided, such that the driving apparatus drives the light shielding member to be reversely linked to the front-end optical device, so that two types of light paths, i.e., first external light and second external light, can be implemented in one camera module; thus, a camera apparatus can implement multi-focal length image capture while using one back-end imaging device, and further, a larger zoom factor can be provided to improve the imaging effect. The improvement of the imaging effect is achieved by means of moving the front-end optical device and sharing the back-end imaging device, instead of adding a new lens or adding a new camera module; thus, product space can be saved, and costs can be reduced.

Description

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 February 8, 2024, with application number 202410178069.7 and invention name “Camera module and electronic device”, and priority to the Chinese patent application filed with the State Intellectual Property Office of China on February 23, 2024, with application number 202410206276.9 and invention name “Camera module and electronic device”, the entire 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 camera module and electronic equipment. Background Art

[0003] Conventional mobile phones typically use multiple cameras with different characteristics to capture a wider range of scenes and focal lengths. These cameras simply stack together, taking up a large amount of product space and increasing costs. Summary of the Invention

[0004] The embodiments of the present application provide a camera module and electronic device that can achieve multi-scene and multi-focal length shooting without adding new lenses or camera modules, thereby saving product space and reducing costs.

[0005] In the first aspect, an embodiment of the present application provides a camera module, which has a first light-collecting area and a second light-collecting area; the camera module includes a light-shielding member, a front-end optical device, a driving device and a rear-end imaging device; the driving device is used to drive the light-shielding member and the front-end optical device to move between the first light-collecting area and the second light-collecting area, and make the movement directions of the light-shielding member and the front-end optical device opposite, and when the light-shielding member reaches the first light-collecting area, the front-end optical device reaches the second light-collecting area, the light-shielding member is used to block the first external light passing through the first light-collecting area from being emitted to the rear-end imaging device, and the front-end optical device is used to allow the second external light passing through the second light-collecting area to be emitted to the rear-end imaging device; when the light-shielding member reaches the second light-collecting area, the front-end optical device reaches the first light-collecting area, the light-shielding member is used to block the second external light passing through the second light-collecting area from being emitted to the rear-end imaging device, and the front-end optical device is used to allow the first external light passing through the first light-collecting area to be emitted to the rear-end imaging device; the rear-end imaging device is used to perform imaging processing on the first external light or the second external light.

[0006] In the embodiment of the present application, by providing a light shielding member, a front-end optical device, and a driving device, so that the driving device drives the light shielding member to reversely link with the front-end optical device, two optical paths, a first external light and a second external light, can be realized within a single camera module. This enables the camera device to achieve multi-focal length shooting while using a set of back-end imaging devices, and can also provide a larger zoom factor to improve the imaging effect. The improvement in imaging effect is achieved by moving the front-end optical device and sharing the back-end imaging device, rather than adding a new lens or a new camera module, thus saving product space and reducing costs.

[0007] In one implementation of the first aspect, the camera module further includes a first light-transmitting portion and a second light-transmitting portion. The first light-transmitting portion is located in the first light-collecting area and is configured to transmit a first external light source, and the second light-transmitting portion is located in the second light-collecting area and is configured to transmit a second external light source. The front-end optical device and the rear-end imaging device are both located on the light-exiting sides of the first and second light-transmitting portions. In this solution, the first and second light-transmitting portions can encapsulate the internal structure of the camera module, thereby ensuring the structural and optical performance of the camera module.

[0008] In one implementation of the first aspect, the light shielding member is located on the light-exiting side of the first and second light-transmitting portions, or alternatively, on the light-entering side of the first and second light-transmitting portions. In this solution, the light shielding member can be located on the light-exiting or light-entering side of the first light-transmitting portion, i.e., on the inside or outside of the first light-transmitting portion, as needed. Both arrangements achieve a light-shielding effect and reverse linkage between the light shielding member and the front-end optical device.

[0009] In one implementation of the first aspect, at least one of the first light-transmitting portion and the second light-transmitting portion includes an optical lens for optically processing external light. By including optical lenses in the first light-transmitting portion and / or the second light-transmitting portion, not only can multi-focal-length shooting be achieved, providing a greater zoom factor, but also multifunctional shooting can be achieved, achieving "multi-camera integration" and improving imaging effects.

[0010] In one implementation of the first aspect, both the first and second light-transmitting portions comprise optical lenses, and the focal length of the first and second light-transmitting portions differs. This not only enables multi-focal-length shooting, providing a greater zoom factor, but also enables multifunctional shooting, achieving "multi-camera integration" and improving imaging effects. This multifunctional shooting includes, but is not limited to, at least one of a main camera, telephoto, wide-angle, macro, and depth of field.

[0011] In one implementation of the first aspect, the drive device includes a drive source and a transmission mechanism. The drive source is connected to the transmission mechanism and configured to drive the transmission mechanism to generate mechanical motion. The transmission mechanism connects the light shielding member and the front optical device and is configured to transmit motion to the light shielding member and the front optical device. This drive device can accurately and reliably drive the light shielding member and the front optical device in reverse linkage.

[0012] In one implementation of the first aspect, the drive device includes a drive source and a transmission mechanism. The drive source is configured to drive the front-end optical device, and the transmission mechanism connects the light shielding member and the front-end optical device. The front-end optical device is configured to transmit motion to the light shielding member via the transmission mechanism. This drive device accurately and reliably drives the light shielding member and the front-end optical device in reverse linkage. It also utilizes the existing structural layout of the camera module to achieve drive, reducing structural space requirements.

[0013] In one implementation of the first aspect, the driving source includes a voice coil motor, which includes a magnet and a coil. The magnet is fixed within the camera module, and the coil is fixed to the front-end optical device. Using the voice coil motor as the driving source allows the existing structural layout of the camera module to be utilized for driving, thus reducing the space occupied by the structure.

[0014] In one implementation of the first aspect, the transmission mechanism includes a first rack, a gear, and a second rack; the first rack is connected to the light shielding member, and the second rack is connected to the front-end optical device; the gear is located between the first rack and the second rack and meshes with both the first rack and the second rack. This transmission mechanism is a rigid transmission with high transmission efficiency, which reduces the thrust required by the drive source, improves the movement accuracy of the light shielding member, and improves the drop resistance of the camera module. The transmission mechanism has a mature manufacturing process, is relatively simple to assemble, and is highly manufacturable.

[0015] In one implementation of the first aspect, the gear is disposed in the housing of the camera module and is rotationally connected to the housing. The transmission mechanism of this solution is relatively simple to assemble and has good mass production capabilities. In one implementation of the first aspect, the transmission mechanism includes two transmission wheels and a rope; the two transmission wheels are spaced apart and disposed in the camera module; the rope is wound around the outer circumference of the two transmission wheels, and the rope is fixedly connected to the shading member and the front-end optical device on opposite sides of the radial direction of the transmission wheels, and the rope is used to move relative to the two transmission wheels. The transmission mechanism is a flexible transmission, which occupies a small space, has low operating noise, can have buffering and vibration absorption performance, and is light in weight.

[0016] In one implementation of the first aspect, the two transmission wheels are configured to rotate. By rotating the transmission wheels, rolling friction can be generated between the rope and the transmission wheels, thereby reducing transmission resistance and operating noise, improving transmission efficiency, and facilitating reliability and lifespan of the transmission mechanism.

[0017] In one implementation of the first aspect, the light-shielding member or the front-end optical device includes a receiving shell, a fixed block and a spring. The fixed block and the spring are both received in the receiving shell. The fixed block is used to move in the receiving shell, and the opposite ends of the spring respectively abut against the inner wall of the receiving shell and the fixed block. The rope is disconnected at the position between the two transmission wheels to form a gap. The opposite ends of the rope at the disconnection point are both located in the receiving shell. The spring is sleeved on the outer periphery of one of the opposite ends, and the fixed block is fixedly connected to the one end. By disconnecting the rope, installing an elastic member at the disconnection point and making the fixed block movable, when the camera module is subjected to a large impact (for example, in scenarios such as falling or collision), the impact force can drive the fixed block to slide, reducing or avoiding the risk of the rope being broken by excessive impact force. When the impact disappears, the elastic member can restore the elastic deformation and push the fixed block back to the default position. In addition, the elastic member can also provide some buffering and vibration absorption effects.

[0018] In an implementation of the first aspect, the transmission mechanism includes an elastic member and a rotating shaft; the rotating shaft is fixed in the camera module;

[0019] The elastic member is rotatably connected to the shaft and connects the light shielding member to the front optical device. The elastic member is used to rotate about the shaft and undergo elastic deformation. The transmission mechanism occupies a small space, operates quietly, has a buffering and vibration-absorbing performance, and is lightweight.

[0020] In one implementation of the first aspect, both the light shielding member and the front optical device are provided with sliding pins; the transmission mechanism includes a connecting rod and a rotating shaft; the rotating shaft is fixed within the camera module; the connecting rod is rotatably connected to the rotating shaft; the connecting rod is provided with two sliding grooves, one of which forms a sliding engagement with the sliding pin of the light shielding member, and the other of which forms a sliding engagement with the sliding pin of the front optical device; the connecting rod is configured to rotate about the rotating shaft driven by the front optical device, and each sliding pin is configured to slide within a corresponding sliding groove. This transmission mechanism has a simple structure, and its transmission efficiency and reliability meet product requirements.

[0021] In one implementation of the first aspect, the light shielding member includes a first side and a second side, the first side and the second side being disposed opposite each other. The first side is configured to receive external light, and the second side is provided with a plurality of saw teeth having a triangular cross-sectional shape. By providing the saw teeth on the bottom of the light shielding member, stray light refracted by the front optical component to the bottom of the light shielding member and then reflected by the bottom of the light shielding member to the rear imaging component can be eliminated, thereby reducing the impact of stray light on imaging quality.

[0022] In one implementation of the first aspect, the camera module further includes a light-shielding curtain configured to block external light entering through a gap between the light-shielding member and the front-end optical device when the light-shielding member reaches the first light-collecting area. Providing the light-shielding curtain blocks external stray light entering through the gap between the light-shielding member and the front-end optical device, thereby reducing the impact of stray light on image quality.

[0023] In one implementation of the first aspect, the light-shielding curtain includes a connected fixed portion and a cantilever portion. The fixed portion is fixed to an edge of a light-shielding member, a gap is defined between the cantilever portion and the light-shielding member, and the cantilever portion is bent relative to the fixed portion to be elastically deformable. When the light-shielding member reaches a first light-collecting area, the light-shielding curtain is positioned on a side of the light-shielding member proximal to the front optical device, and the cantilever portion is positioned between the light-shielding member and the front optical device. The cantilever portion is configured to block external light entering through the gap between the light-shielding member and the front optical device. This solution has a simple structure and good mass manufacturability.

[0024] In one implementation of the first aspect, the camera module further includes a torsion spring, a light-shielding curtain and the torsion spring are disposed at an edge of the light-shielding member, and the light-shielding curtain is rotatably connected to the light-shielding member via the torsion spring; when the light-shielding member reaches the first light-collecting area, the light-shielding curtain is positioned between the light-shielding member and the front-end optical device. This solution has a simple structure and can meet product requirements.

[0025] In one implementation of the first aspect, the camera module further includes a torsion spring; the light-shielding curtain includes a connected pin and a light-shielding portion, the pin being rotatably disposed within the camera module; when the light-shielding member reaches the first light-collecting area, the light-shielding portion is positioned between the light-shielding member and the front-end optical device, and is configured to block external light entering through the gap between the light-shielding member and the front-end optical device; the light-shielding portion is further configured to be pushed by the light-shielding member and the front-end optical device during movement, and to rotate about the pin; the torsion spring is mounted on the pin, and is configured to provide an elastic restoring force to the pin. This solution is structurally simple and relatively reliable, and can meet product requirements.

[0026] In one implementation of the first aspect, the front-end optical device includes a prism or a reflector. The prism or the reflector can process external light, which is conducive to achieving a corresponding optical path and thus ensuring an imaging effect.

[0027] In one implementation of the first aspect, the camera module is a periscope camera module, and the front-end optical device is used to deflect external light to the rear-end imaging device. By applying the solution of the embodiments of the present application to the periscope camera module, the periscope camera module can expand focal lengths, increase zoom ratios, and add shooting functions without further increasing its size, thus achieving "multi-camera integration" and improving imaging effects.

[0028] On the second aspect, an embodiment of the present application provides an electronic device, comprising a light-transmitting portion and a camera module of any one of the above items, wherein the camera module is located on the light-emitting side of the light-transmitting portion. By arranging a light-shielding member, a front-end optical device and a driving device in the camera module of the electronic device, so that the driving device drives the light-shielding member to reversely link with the front-end optical device, two optical paths of the first external light and the second external light can be realized in one camera module, so that the camera device can achieve multi-focal-length shooting under the premise of using a set of back-end imaging devices, and can also provide a larger zoom ratio to improve the imaging effect. The improvement of the imaging effect is achieved by moving the front-end optical device and sharing the back-end imaging device, rather than adding a new lens or a new camera module, so that product space can be saved and costs can be reduced.

[0029] In one implementation of the second aspect, the electronic device includes a housing, a light-transmitting portion is mounted on the housing, and a camera module is located within the housing. Illustratively, the housing may be a rear housing, and by providing the light-transmitting portion on the rear housing, the camera module may be a rear-mounted camera module. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] FIG1 is a schematic diagram of a planar structure of an electronic device according to an embodiment of the present application;

[0031] Figures 2(a) and 2(b) illustrate a schematic framework structure and working principle of a camera module according to an embodiment of the present application;

[0032] FIG3( a ) and FIG3 ( b ) illustrate a schematic framework structure and working principle of a camera module according to an embodiment of the present application;

[0033] FIG4( a ) and FIG4 ( b ) illustrate a schematic framework structure and working principle of a camera module according to an embodiment of the present application;

[0034] FIG5 is a schematic diagram of the assembly structure of a camera module according to an embodiment of the present application;

[0035] FIG6 is a schematic diagram of the exploded structure of the structure shown in FIG5 ;

[0036] FIG7 is a schematic cross-sectional view of a portion of the structure in FIG6 from view BB;

[0037] FIG8 is a schematic structural diagram of the light shielding member in FIG6 at one viewing angle;

[0038] FIG9 is a schematic structural diagram of the light shielding member in FIG6 at another viewing angle;

[0039] FIG10 is a schematic structural diagram of the front-end optical device in FIG6;

[0040] FIG11 is a schematic diagram of the exploded structure of the structure shown in FIG10 ;

[0041] FIG12 is a schematic diagram of an assembly structure in which a light shielding member and a front-end optical device are connected via a transmission mechanism in an embodiment;

[0042] FIG13 is a schematic EE cross-sectional view of the structure shown in FIG5 ;

[0043] FIG14 is another EE cross-sectional view of the structure shown in FIG5 ;

[0044] FIG15 is a schematic diagram of the transmission path of stray light when the front optical device moves to the side of the second light-transmitting portion and the light-shielding member moves to the side of the first light-transmitting portion;

[0045] FIG16 is a schematic structural diagram of a sawtooth array on a light shielding member in an embodiment;

[0046] FIG17 is a schematic cross-sectional view of the structure shown in FIG16;

[0047] FIG18 is a schematic diagram of a partial structure of the light shielding member in FIG17;

[0048] Figures 19(a) to 19(e) illustrate how different cross-sectional triangles of the sawtooth reflect stray light.

[0049] FIG20 is a schematic diagram of the transmission path of stray light when the front optical device moves to the side of the second light-transmitting portion and the light-shielding member moves to the side of the first light-transmitting portion;

[0050] FIG21 is a schematic diagram of the C-direction structure of FIG8;

[0051] FIG22 illustrates the relative positions of the cantilever portion of the light-shielding curtain and the front optical device when the light-shielding member moves to the side of the first light-transmitting portion;

[0052] Figures 23, 24 and 25 illustrate the structure of a transmission wheel-rope transmission mechanism in an embodiment;

[0053] Figures 26, 27 and 28 illustrate the fixed housing, elastic member, fixed block, fixed block, elastic member and bottom plate in the front-end optical device;

[0054] 29 and 30 illustrate a structure in which a light shielding member and a front optical device are connected via a torsion spring transmission mechanism in one embodiment;

[0055] 31 and 32 illustrate a structure in which a light shielding member and a front optical device are connected via a linkage mechanism in one embodiment;

[0056] FIG33 illustrates a structure in which a shading member and a shading curtain are rotatably connected via a torsion spring in an embodiment;

[0057] FIG34 , FIG35 and FIG36 illustrate a stray light blocking structure in an embodiment;

[0058] FIG37 is a schematic diagram of the FF cross-sectional structure of the structure shown in FIG34 . DETAILED DESCRIPTION

[0059] For ease of understanding, the English abbreviations and related technical terms involved in the embodiments of this application are explained and described below.

[0060] The object side, with the lens as the boundary, the side where the object is located is the object side, and the surface of the lens close to the object side is called the object side;

[0061] Image side: With the lens as the boundary, the side where the image of the object is located is called the image side, and the surface of the lens close to the image side is called the image side;

[0062] The aperture value is a relative value calculated by dividing the focal length of the lens by the diameter of the lens entrance pupil (the inverse of the relative aperture). The smaller the aperture value, the larger the aperture, and the more light enters the image per unit time. The larger the aperture value, the smaller the aperture, and the smaller the depth of field, and the background content in the photo will be blurred, similar to the effect of a telephoto lens;

[0063] The optical axis is an axis running perpendicularly through the center of a lens. It's the axis running through the centers of each lens element. When light rays parallel to the optical axis enter a convex lens, an ideal convex lens would have all the rays converge at a single point behind the lens. This point is the focal point.

[0064] Please refer to Figure 1, which is a schematic diagram of the structure of an electronic device 1 provided in an embodiment of the present application. Electronic device 1 includes, but is not limited to, mobile phones, tablet computers, laptop computers, personal digital assistants (PDAs), cameras, personal computers, notebook computers, in-vehicle devices, wearable devices, augmented reality (AR) glasses, AR helmets, virtual reality (VR) glasses, or VR helmets, and other devices with camera functions.

[0065] Referring to Figure 1 , electronic device 1 may include, among others, a light-transmitting portion 2, a camera module 3, a circuit board 4, and a housing 5. It should be noted that Figure 1 and the accompanying figures below schematically illustrate only some components of electronic device 1, and the actual shape, size, position, and structure of these components are not limited by Figure 1 or the accompanying figures below. Furthermore, since circuit board 4 and camera module 3 are internal components of electronic device 1, Figure 1 schematically illustrates circuit board 4 and camera module 3 using dashed lines.

[0066] As shown in Figure 1, for ease of description, the width direction of electronic device 1 can be defined as the X-axis, the length direction of electronic device 1 can be defined as the Y-axis, and the thickness direction of electronic device 1 can be defined as the Z-axis. It is understood that the coordinate system setting of electronic device 1 can be flexibly set according to specific actual needs and is not limited to the above.

[0067] As shown in Figure 1, the housing 5 may include, for example, a frame 51 and a back cover 52. The back cover 52 and the screen are fixedly connected to either side of the frame 51. The screen, frame 51, and back cover 52 together enclose the interior space of the electronic device 1. The interior of the electronic device 1 can be used to house components of the electronic device 1, such as a battery, a receiver, or a microphone.

[0068] As shown in FIG1 , a circuit board 4 is installed inside the electronic device 1. The circuit board 4 may be provided with chips such as a central processing unit (CPU), a graphics processing unit (GPU), or a universal flash storage (UFS).

[0069] As shown in Figure 1, the camera module 3 is arranged inside the electronic device 1. The camera module 3 is used to collect light from the outside of the electronic device 1. Schematically, the camera module 3 can have multiple lighting areas, and external light can be collected by the camera module 3 through the lighting areas. In one embodiment, the lighting area can be an area where the module shell of the camera module 3 is provided with an opening, or an opening is provided on the module shell to form the lighting area. In another embodiment, a light-transmitting component can also be installed in the opening, and the lighting area is the light-transmitting component, or a light-transmitting component is provided in the lighting area. Among them, the light-transmitting component can be, for example, a light-transmitting material such as glass or plastic, or an optical lens that can process light, such as a lens. The camera module 3 can be electrically connected to the circuit board 4, and signals can be transmitted between the camera module 3 and the circuit board 4. It can be understood that the camera module 3 can be a rear camera module or a front camera module.

[0070] Exemplarily, a light-transmitting portion 2 is provided on the back cover 52, for example, the light-transmitting portion 2 can be fixed on the back cover 52. The material of the light-transmitting portion 2 can be a light-transmitting material, such as glass or plastic. In this way, light from the outside of the electronic device 1 can pass through the light-transmitting portion 2 into the interior of the electronic device 1 and be collected by the camera module 3. Among them, the side of the light-transmitting portion 2 facing outward can be called the light-entering side, and external light enters the light-transmitting portion 2 from the light-entering side; the side of the light-transmitting portion 2 facing inward can be called the light-emitting side, and external light is emitted from the light-emitting side and enters the camera module 3. The structure of the light-transmitting portion 2 is not limited in the embodiment of the present application. For example, an assembly structure such as a decorative part and a cover plate can be used.

[0071] In an embodiment of the present application, the electronic device 1 may further include a screen for displaying images. The screen may be a flat screen or a curved screen. The screen may be an organic light-emitting diode (OLED) display, or an active-matrix organic light-emitting diode (AMOLED) display, or a liquid crystal display (LCD), etc. In one embodiment, the light-transmitting portion 2 may also belong to the screen, for example, the light-transmitting portion 2 is part of the cover of the screen, and the camera module 3 in this embodiment is a front camera module.

[0072] In other embodiments, when the electronic device 1 is a device of some other form, the electronic device 1 may not include a screen.

[0073] FIG2( a ) illustrates a schematic framework structure and working principle of a camera module 3 according to an embodiment of the present application. The viewing plane of FIG2( a ) may be the AA section in FIG1 .

[0074] As shown in Figure 2(a), schematically, the camera module 3 can be located below the light-transmitting portion 2 of the electronic device 1, that is, on the light-emitting side of the light-transmitting portion 2. The light-transmitting portion 2 can include multiple light-transmitting areas, and each two adjacent light-transmitting areas can be separated by a black opaque area; or, they can be directly connected without providing a black opaque area. For ease of description, the external light passing through different light-transmitting areas can be distinguished. For example, Figure 2(a) illustrates the first external light passing through the first light-transmitting area 2a and the second external light passing through the second light-transmitting area 2b.

[0075] In this embodiment, the first light-collecting area and the second light-collecting area of ​​the camera module 3 can both be formed by openings on the module housing of the camera module 3. The first light-collecting area corresponds to the first light-transmitting area 2a, and the second light-collecting area of ​​the camera module 3 corresponds to the second light-transmitting area 2b. Herein, "corresponding" means that there is overlap between the two, including complete overlap or only partial overlap. For example, the first light-collecting area corresponds to the first light-transmitting area 2a, and the first light-collecting area corresponds to the first light-transmitting area 2a, and the first light-collecting area completely overlaps or only partially overlaps. Herein, when completely overlapping, the area of ​​the first light-collecting area can be consistent with the area of ​​the first light-transmitting area 2a. When only partially overlapping, the area of ​​the first light-collecting area can be less than or equal to the area of ​​the first light-transmitting area 2a, or can also be greater than or equal to the area of ​​the first light-transmitting area 2a. As shown in Figure 2(a), the camera module 3 may include a light-shielding member 33, a front-end optical device 34, a drive device (not shown in Figure 2(a)) and a rear-end imaging device 35, etc.

[0076] The light shielding member 33 has a light-proof property, and its structure and material can be designed as needed, which is not limited in the embodiment of the present application.

[0077] The front-end optical device 34 may include at least one optical lens and may also include components that perform mechanical functions such as fixing, connecting, supporting, limiting, and / or protecting. The front-end optical device 34 is used to receive the first external light or the second external light and process the external light. Illustratively, the front-end optical device 34 may be a reflector or a prism.

[0078] As shown in Figure 2(a), the rear-end imaging device 35 can be located on the light-emitting side of the front-end optical device 34. The rear-end imaging device 35 may include at least one optical lens, such as an automatic focus (AF) lens and / or a prism. In some embodiments, the rear-end imaging device 35 may also include components that play a mechanical role in fixing, connecting, supporting, limiting and / or protecting the optical lens. The rear-end imaging device 35 may also include an image sensor. The rear-end imaging device 35 can receive external light from the front-end optical device 34 and realize optical imaging. In some embodiments, the rear-end imaging device 35 can also realize an anti-shake function.

[0079] In the embodiment of the present application, the shading member 33 and the front-end optical device 34 can both be connected to a driving device, and the driving device is used to drive the shading member 33 and the front-end optical device 34 to move between the first light-collecting area and the second light-collecting area, or to move between the first light-transmitting area 2a and the second light-transmitting area 2b (hereinafter, for the convenience of description in conjunction with the accompanying drawings, the description of the shading member 33 and the front-end optical device 34 moving between the first light-transmitting area 2a and the second light-transmitting area 2b is used for explanation). That is, the driving device can drive the shading member 33 to move between the first light-transmitting area 2a and the second light-transmitting area 2b, and can also drive the front-end optical device 34 to move between the first light-transmitting area 2a and the second light-transmitting area 2b. Among them, the driving device can drive the shading member 33 and the front-end optical device 34 to move simultaneously or substantially simultaneously, and make the movement directions of the shading member 33 and the front-end optical device 34 opposite. This movement mode can be called "reverse linkage".

[0080] In one embodiment, the light shielding member 33 and the front optical device 34 can share a driving device to achieve reverse linkage. In another embodiment, the light shielding member 33 and the front optical device 34 can be driven by two separate driving devices to achieve reverse linkage. The two driving devices can be completely separate, and the driving device driving the light shielding member 33 and the driving device driving the front optical device 34 do not share any common components. Alternatively, the driving device driving the light shielding member 33 and the driving device driving the front optical device 34 share common components, and these common components can be used to drive both the light shielding member 33 and the front optical device 34. The following description will continue with the example of the light shielding member 33 and the front optical device 34 sharing a driving device to achieve reverse linkage.

[0081] Figures 2(a) and 2(b) respectively illustrate the states of the light shielding member 33 and the front optical device 34 at different positions. For example, if the state shown in Figure 2(a) is the default state, in this default state, the light shielding member 33 reaches a position corresponding to the second light-transmitting area 2b, for example, reaches an extreme position aligned with the second light-transmitting area 2b, and the light shielding member 33 is located in the transmission path of the second external light passing through the second light-transmitting area 2b; the front optical device 34 reaches a position corresponding to the first light-transmitting area 2a, for example, reaches an extreme position aligned with the first light-transmitting area 2a, and the front optical device 34 is located in the transmission path of the first external light passing through the first light-transmitting area 2a.

[0082] Here, "alignment" means that there is overlap between the two, including complete overlap or only partial overlap. For example, the alignment of the light shading member 33 and the second light-transmitting area 2b can be that the light shading member 33 and the second light-transmitting area 2b completely overlap or only partially overlap. Here, when completely overlapped, the area of ​​the light shading member 33 can be consistent with the area of ​​the second light-transmitting area 2b. When there is only a partial overlap, the area of ​​the light shading member 33 can be greater than or equal to the area of ​​the second light-transmitting area 2b, or can also be less than or equal to the area of ​​the second light-transmitting area 2b. The above explanation of "alignment" also applies to the following. In addition, for the sake of simplicity of description, in some places below, "reaching / being located at / moving to the extreme position of alignment..." is also referred to as "alignment".

[0083] The following description will be made by taking the example that the light shielding member 33 can be aligned with the second light-transmitting area 2b (or the first light-transmitting area 2a) and the front optical device 34 can be aligned with the first light-transmitting area 2a (or the second light-transmitting area 2b). It is understood that this is only an example.

[0084] As shown in Figure 2(a) and Figure 2(b), from the default state, the driving device can drive the shading member 33 to move to the right to the extreme position aligned with the first light-transmitting area 2a, so that the shading member 33 is located on the transmission path of the first external light passing through the first light-transmitting area 2a; at the same time, the driving device can drive the front-end optical device 34 to move to the left to the extreme position aligned with the second light-transmitting area 2b, so that the front-end optical device 34 is located on the transmission path of the second external light passing through the second light-transmitting area 2b.

[0085] The above description uses the state transition from FIG. 2(a) to FIG. 2(b) as an example to illustrate how the drive device drives the light shielding member 33 and the front optical device 34, thereby achieving "reverse linkage" between the light shielding member 33 and the front optical device 34. It is understood that the state transition from FIG. 2(b) to FIG. 2(a) also conforms to this "reverse linkage" process, and will not be repeated here.

[0086] In one embodiment, the driving device can make the shading member 33 and the front optical device 34 remain at any position between the first light-transmitting area 2a and the second light-transmitting area 2b, that is, the driving device is not limited to driving the shading member 33 to reach the two extreme positions aligned with the first light-transmitting area 2a and the second light-transmitting area 2b, but can also drive the shading member 33 to move to any position between the two extreme positions and stay there; the driving device is not limited to driving the front optical device 34 to reach the two extreme positions aligned with the first light-transmitting area 2a and the second light-transmitting area 2b, but can also drive the front optical device 34 to move to any position between the two extreme positions and stay there. In another embodiment, the driving device can only drive the shading member 33 and the front optical device 34 to reach the two extreme positions aligned with the first light-transmitting area 2a and the second light-transmitting area 2b, and cannot achieve the function of staying at any position between the two extreme positions.

[0087] In the state shown in Figure 2(a), when the light shielding member 33 is aligned with the second light-transmitting area 2b, the second external light is blocked by the light shielding member 33 and cannot enter the rear imaging device 35. At this time, the front optical device 34 is aligned with the first light-transmitting area 2a. The first external light can pass through the first light-transmitting area 2a and be deflected by the front optical device 34 to the rear imaging device 35. The rear imaging device 35 can process the first external light to form an image. Imaging the first external light can, for example, form an image of the first focal length.

[0088] In the state shown in FIG2( b ), when the light shielding member 33 is aligned with the first light-transmitting region 2 a, the first external light is blocked by the light shielding member 33 and cannot enter the rear imaging device 35. At this time, the front optical device 34 is aligned with the second light-transmitting region 2 b. The second external light can pass through the second light-transmitting region 2 b and be deflected by the front optical device 34 to the rear imaging device 35. The rear imaging device 35 can process the second external light to form an image. Imaging the second external light can, for example, form an image of the second focal length.

[0089] In this embodiment, schematically, the processor of the electronic device 1 can respond to a shooting instruction and send a control signal to the driving device, so that the driving device drives the front-end optical device 34 and the shading member 33 to move to corresponding positions to achieve a corresponding shooting effect.

[0090] For example, a user may touch the touch screen or button of the electronic device 1 to issue a first shooting instruction, or operate a handheld bracket (such as a selfie stick, a handheld gimbal, etc.) holding the electronic device 1 to issue a first shooting instruction, or issue a first shooting instruction by voice, and the first shooting instruction is used to achieve imaging at the first focal length. The processor may respond to the first shooting instruction and send a first control signal to the driving device, causing the driving device to drive the front-end optical device 34 and the light shielding member 33 to move to the position shown in FIG2(a), thereby enabling the camera module 3 to achieve imaging at the first focal length.

[0091] For example, a user may use any of the above methods to issue a second shooting instruction, which is used to achieve imaging at a second focal length. The processor may respond to the second shooting instruction and send a second control signal to the driving device, causing the driving device to drive the front-end optical device 34 and the light shielding member 33 to move to the position shown in FIG2( b ), thereby enabling the camera module 3 to achieve imaging at the second focal length.

[0092] In the embodiments shown in Figures 2(a) and 2(b), by providing a light shielding member 33, a front-end optical device 34, and a driving device, so that the driving device drives the light shielding member 33 and the front-end optical device 34 in reverse linkage, two optical paths, a first external light and a second external light, can be realized within a single camera module 3. This enables the camera module 3 to achieve multi-focal length shooting while using a set of rear-end imaging devices 35, and can also provide a larger zoom factor to enhance the imaging effect. The improvement in imaging effect is achieved by moving the front-end optical device 34 and sharing the rear-end imaging device 35, rather than adding a new lens or a new camera module, thus saving product space and reducing costs.

[0093] The embodiments shown in Figures 2(a) and 2(b) can be adjusted to obtain the embodiments shown in Figures 3(a) and 3(b). As shown in Figures 3(a) and 3(b), the camera module 3 includes not only a light shielding member 33, a front-end optical device 34, a drive device, and a rear-end imaging device 35, but also a first light-transmitting portion 31 and a second light-transmitting portion 32. The first light-transmitting portion 31 is located in the first light-collecting area, and the second light-transmitting portion 32 is located in the second light-collecting area.

[0094] As shown in Figure 3(a), the first light-transmitting portion 31 and the second light-transmitting portion 32 can be arranged side by side. The first light-transmitting portion 31 and the second light-transmitting portion 32 can be installed on the housing of the camera module 3, for example, and the first light-transmitting portion 31 and the second light-transmitting portion 32 can serve as entrances for the camera module 3 to collect light. The first light-transmitting portion 31 can be arranged in the first light-transmitting area 2a, and the two completely overlap or only partially overlap. Wherein, when completely overlapping, the area of ​​the first light-transmitting portion 31 can be consistent with the area of ​​the first light-transmitting area 2a. When only partially overlapping, the area of ​​the first light-transmitting portion 31 can be less than or equal to the area of ​​the first light-transmitting area 2a, or can be greater than or equal to the area of ​​the first light-transmitting area 2a. The second light-transmitting portion 32 can be arranged in the second light-transmitting area 2b, and the two completely overlap or only partially overlap. Wherein, when completely overlapping, the area of ​​the second light-transmitting portion 32 can be consistent with the area of ​​the second light-transmitting area 2b. When only a portion overlaps, the area of ​​the second light-transmitting portion 32 may be smaller than or equal to the area of ​​the second light-transmitting region 2 b , or may be larger than or equal to the area of ​​the second light-transmitting region 2 b .

[0095] The first light-transmitting portion 31 may have good light-transmitting performance, and is used to transmit external light. The structure and material of the first light-transmitting portion 31 can be determined as needed. For example, the first light-transmitting portion 31 may be a camera lens. The first light-transmitting portion 31 may include an optical lens, and may also include components that play a mechanical role such as fixing, connecting, supporting, limiting and / or protecting the optical lens. The side of the first light-transmitting portion 31 that receives external light may be referred to as the light incident side, and the light incident side may be, for example, the upper side in Figure 3(a), and the external light that passes through the first light-transmitting portion 31 may be referred to as the first external light. The side of the first light-transmitting portion 31 that emits the first external light may be referred to as the light exit side, and the light exit side may be, for example, the lower side in Figure 3(a).

[0096] The second light-transmitting portion 32 may have good light-transmitting performance, and is used to transmit external light. The structure and material of the second light-transmitting portion 32 may be determined as needed, for example, the second light-transmitting portion 32 may be a camera lens. The second light-transmitting portion 32 may include an optical lens, and may also include components that play a mechanical role such as fixing, connecting, supporting, limiting and / or protecting the optical lens. The side of the second light-transmitting portion 32 that receives external light may be referred to as the light incident side, and the light incident side may be, for example, the upper side in Figure 3(a), and the external light that passes through the second light-transmitting portion 32 may be referred to as the second external light. The side of the second light-transmitting portion 32 that emits the second external light may be referred to as the light exit side, and the light exit side may be, for example, the lower side in Figure 3(a).

[0097] As shown in FIG3(a), schematically, the light shielding member 33, the front optical device 34, and the rear imaging device 35 can all be located on the light-exiting side of the first light-transmitting portion 31 and the second light-transmitting portion 32. The location of the driving device is not limited; for example, it can be located on the light-exiting side of the first light-transmitting portion 31 and the second light-transmitting portion 32, or can be located at other suitable locations.

[0098] 3( a ) and 3 ( b ) may represent the process of the driving device driving the shading member 33 and the front optical device 34 to reversely link with each other. The process and imaging principle are the same as those described above and will not be repeated here.

[0099] In the embodiment shown in FIG3(a) and FIG3(b), the first light-transmitting portion 31 and the second light-transmitting portion 32 can encapsulate the internal structure of the camera module 3 to ensure the structural performance and optical performance of the camera module 3. It is easy to understand from the above that this embodiment provides a shading member 33, a front-end optical device 34 and a driving device, so that the driving device drives the shading member 33 and the front-end optical device 34 to reversely link, and can realize two optical paths of the first external light and the second external light in one camera module 3, so that the camera module 3 can achieve multi-focal length shooting under the premise of using a set of rear-end imaging devices 35, and can also provide a larger zoom ratio to improve the imaging effect. The improvement of the imaging effect is achieved by moving the front-end optical device 34 and sharing the rear-end imaging device 35, rather than adding a new lens or a new camera module, so that product space can be saved and costs can be reduced.

[0100] Based on the above description of Figures 3(a) and 3(b), it can be understood that in another embodiment, the light shielding member 33 can be positioned on the light-entering side of the first light-transmitting portion 31 and the second light-transmitting portion 32, that is, positioned above the first light-transmitting portion 31 and the second light-transmitting portion 32; while the front-end optical device 34 is positioned on the light-exiting side of the first light-transmitting portion 31 and the second light-transmitting portion 32, the light-blocking function of the light shielding member 33 and the reverse linkage between the light shielding member 33 and the front-end optical device 34 can also be achieved. The drive device and other components can be adaptively adjusted. This embodiment can meet the needs of some products.

[0101] The embodiments shown in Figures 3(a) and 3(b) can be adjusted to obtain the embodiments shown in Figures 4(a) and 4(b). As shown in Figures 4(a) and 4(b), the first light-transmitting portion 31 and the second light-transmitting portion 32 in the camera module 3 can not only transmit light, but also optically process the light to achieve imaging.

[0102] The first light-transmitting portion 31 may include at least one optical lens that can perform optical processing on external light, including but not limited to focusing, correcting, controlling light intensity, improving visual effects, etc. The first light-transmitting portion 31 may also include components that mechanically fix, connect, support, limit, and / or protect the optical lens.

[0103] The second light-transmitting portion 32 may include at least one optical lens that can perform optical processing on external light, including but not limited to focusing, correcting, controlling light intensity, improving visual effects, etc. The second light-transmitting portion 32 may also include components that mechanically fix, connect, support, and / or limit the optical lens.

[0104] In this embodiment, the optical parameters of the first light-transmitting portion 31 and the second light-transmitting portion 32 may be different, including but not limited to focal length. In another embodiment, the optical parameters of the first light-transmitting portion 31 and the second light-transmitting portion 32 may be the same, and the first light-transmitting portion 31 and the second light-transmitting portion 32 may be, for example, two identical lenses.

[0105] 4( a ) and 4 ( b ) may represent the process of the driving device driving the shading member 33 and the front optical device 34 to reversely link with each other. The process and imaging principle are the same as those described above and will not be repeated here.

[0106] In the embodiments shown in FIG4(a) and FIG4(b), when the focal lengths of the first light-transmitting portion 31 and the second light-transmitting portion 32 are different, the camera module 3 can realize multi-focal-length shooting and can also realize multi-functional shooting (realizing "multi-camera in one"), which includes but is not limited to at least one of the main camera, telephoto, wide angle, macro, depth of field, etc.

[0107] For example, when the first external light is imaged, the camera module 3 can be used as the main camera, which is applicable to shooting various scenes with high shooting quality; when the second external light is imaged, the camera module 3 can realize telephoto shooting, which can realize optical zoom and magnify distant objects, and is applicable to shooting distant objects. Alternatively, when the second external light is imaged, the camera module 3 can realize wide-angle shooting, which is applicable to shooting wide scenes. Alternatively, when the second external light is imaged, the camera module 3 can realize macro shooting, which can shoot very small details. Alternatively, when the second external light is imaged, the camera module 3 can shoot depth of field information, which is used to realize background blur, portrait mode and other functions. It can be understood that the above is merely an example. In fact, this embodiment does not limit which external light imaging is used to realize each function in the above-mentioned multi-functional shooting.

[0108] In the embodiments shown in FIG. 4( a ) and FIG. 4( b ), when the focal lengths of the first light-transmitting portion 31 and the second light-transmitting portion 32 are the same, the camera module 3 can still achieve multi-focal-length shooting, increase the zoom ratio, and ensure the imaging effect.

[0109] In another embodiment, one of the first light-transmitting portion 31 and the second light-transmitting portion 32 includes an optical lens that can optically process external light, while the other only has light-transmitting properties and does not perform optical processing. This embodiment can also achieve multi-focal-length shooting, increase zoom ratios, and enhance imaging effects.

[0110] As shown in Figures 1 to 4(b), the camera module 3 can be a periscope camera module, and the optical axis direction of the camera module 3 is any direction on the XY plane. The front-end optical device 34 can also play a role in deflecting the optical path. By applying the above-mentioned reverse linkage motion design and corresponding imaging method to the periscope camera module, the periscope camera module can expand more focal lengths, increase the zoom ratio, and increase shooting functions without further increasing the volume, realizing "multi-camera integration" and improving the imaging effect.

[0111] In another embodiment, the camera module 3 may be a common camera module, and the optical axis direction of the camera module 3 is the Z direction.

[0112] The above describes the framework structure and working principle of the camera module 3. The following describes the mechanical structure of the camera module 3 in detail, taking the camera module 3 as a periscope camera module and the camera module 3 including the first light-transmitting portion 31 and the second light-transmitting portion 32 in any of the above embodiments as an example.

[0113] As shown in Figures 5, 6 and 7, the camera module 3 may include a first light-transmitting portion 31, a second light-transmitting portion 32, a light-shielding member 33, a front-end optical device 34, a rear-end imaging device 35 and a driving device 36, etc.

[0114] As shown in Figures 5 to 7, schematically, the camera module 3 may further include a module housing 3a, which has a cavity. The light shielding member 33, the front optical device 34, the rear imaging device 35, and the driving device 36 may all be installed in the cavity of the module housing 3a. The module housing 3a may encapsulate, protect, limit, and structurally support the light shielding member 33, the front optical device 34, the rear imaging device 35, and the driving device 36. Schematically, the cavity of the module housing 3a may have an opening, and the first light-transmitting portion 31 and the second light-transmitting portion 32 may both be installed in the module housing 3a. At least a portion of the first light-transmitting portion 31 and the second light-transmitting portion 32 may be located outside the cavity of the module housing 3a, and the first light-transmitting portion 31 and the second light-transmitting portion 32 may cover the opening of the cavity.

[0115] The driving device 36 may include a driving source and a transmission mechanism, wherein the driving source is used to provide driving force, and the transmission mechanism is used to achieve transmission.

[0116] As shown in Figures 6 and 7 , the driving source in the driving device 36 can be a voice coil motor (VCM). The VCM can include a magnet 365 and a coil 364. The magnet 365 applies electromagnetic force to the coil. Illustratively, the magnet 365 can be mounted within the module housing 3a, and the coil 364 can be fixed to the front-end optical device 34 (described below).

[0117] In other embodiments, the driving source may be any other suitable power device besides the VCM, including but not limited to a piezoelectric motor, a shape memory alloy (SMA) wire motor, a linear motor, etc. The following description will be continued using the VCM as an example of the driving source.

[0118] As shown in FIG. 6 , schematically, the transmission mechanism in the driving device 36 may include a first rack 361 , a second rack 362 and a gear 363 .

[0119] As shown in Figures 8 and 9, the first rack 361 can be connected to the light shielding member 33. The first rack 361 can be fixed to the light shielding member 33 by assembly, or can be integrally connected to the light shielding member 33. Schematically, there can be two first racks 361, and the two first racks 361 are respectively connected to opposite sides of the light shielding member 33.

[0120] As shown in Figures 10 and 11, the second rack 362 can be connected to the front optical device 34. The second rack 362 can be fixed to the front optical device 34 by assembly, or can be integrated with the front optical device 34. Illustratively, there can be two second racks 362, and the two second racks 362 are respectively connected to opposite sides of the front optical device 34.

[0121] As shown in Figure 11, the front-end optical device 34 can schematically include an optical lens 341 and a bracket 342. The optical lens 341 is fixed to the bracket 342. The optical lens 341 is used to deflect the light path and can be, for example, a prism. In another embodiment, the optical lens 341 can be a reflector. Schematically, two second racks 362 are respectively connected to opposite sides of the bracket 342.

[0122] In addition, as shown in FIG11 , schematically, the coil 364 can be fixed to the bracket 342 , and the coil 364 can be located on the side of the bracket 342 facing away from the optical lens 341 .

[0123] 6 , a gear 363 is rotatably mounted on the inner wall of the module housing 3a. Schematically, there may be two gears 363, which are respectively disposed on opposite sides of the module housing 3a.

[0124] Figure 12 illustrates the structure of the light shielding member 33 and the front optical device 34 connected via the transmission mechanism. As shown in Figure 12, a first rack 361, a second rack 362, and a gear 363 form a double-rack-and-pinion transmission mechanism. The two double-rack-and-pinion transmission mechanisms are located on opposite sides of the light shielding member 33 (or on opposite sides of the front optical device 34). In each double-rack-and-pinion transmission mechanism, the first rack 361 and the second rack 362 can be located on opposite sides of the gear 363 and mesh with the gear 363.

[0125] In this embodiment, a gear-and-double-rack transmission mechanism is provided on opposite sides of the light shield 33 (or on opposite sides of the front optical device 34), ensuring structural stability and reliable transmission. Alternatively, only one gear-and-double-rack transmission mechanism may be provided in another embodiment, and the position of the gear-and-double-rack transmission mechanism can be adjusted as needed to ensure structural and transmission performance. Illustratively, a gear-and-double-rack transmission mechanism can be provided on one side of the light shield 33, while a guide structure can be provided on the opposite side of the light shield 33. This guide structure can, for example, include a guide rod or a guide groove, allowing the opposite side of the light shield 33 to move along a predetermined trajectory.

[0126] Next, the driving principle of the driving device 36 of this embodiment will be described.

[0127] FIG13 is a schematic diagram of the EE cross-sectional structure of the camera module 3 shown in FIG5 in one state. The state of the camera module 3 in FIG13 can be the same as that shown in FIG4(a). FIG14 is a schematic diagram of the EE cross-sectional structure of the camera module 3 shown in FIG5 in another state. The state of the camera module 3 in FIG14 can be the same as that shown in FIG4(b).

[0128] As shown in Figures 13 and 14, the magnet 365 can apply electromagnetic force to the coil 364 at the bottom of the bracket 342, and the coil 364 can drive the bracket 342 and the optical lens 341 on the bracket 342 to move. The bracket 342 can transmit motion to the light shielding member 33 via the gear-double-rack transmission mechanism. Under the transmission action of the gear-double-rack transmission mechanism, the front-end optical device 34 and the light shielding member 33 can achieve reverse linkage, so that the front-end optical device 34 and the light shielding member 33 can move between the first light-transmitting portion 31 and the second light-transmitting portion 32. In this embodiment, the driving source can directly drive the front-end optical device 34, and the gear-double-rack transmission mechanism connects the light shielding member 33 and the front-end optical device 34. The front-end optical device 34 can transmit motion to the light shielding member 33 via the gear-double-rack transmission mechanism.

[0129] In this embodiment, the processor of the electronic device 1 can illustratively respond to a shooting instruction and send a control signal to the VCM to drive the front-end optical device 34 and the light shielding member 33 to move to corresponding positions to achieve a corresponding shooting effect. The imaging principle of the shooting process has been described in detail above and will not be repeated here.

[0130] The gear-double-rack transmission mechanism used in this embodiment can be considered a rigid transmission. Rigid transmission offers high transmission efficiency, requiring less thrust from the drive source, high movement precision for the light shielding member 33, and improved drop resistance for the camera module 3. The manufacturing process for this transmission mechanism is mature, assembly is relatively simple, and mass production is highly feasible.

[0131] In another embodiment, the driving source can also be connected to a gear-double rack transmission mechanism. The driving source can directly drive the gear-double rack transmission mechanism to generate mechanical motion, and the gear-double rack transmission mechanism transmits motion to the light shielding member 33 and the front optical device 34, so that the two are in reverse linkage. Among them, the driving source includes but is not limited to a piezoelectric motor, an SMA wire motor, a linear motor, etc. The driving source can be connected to the gear 363, or to the first rack 361 and the second rack 362. As shown in Figure 15, when the front optical device 34 moves to the side of the second light-transmitting portion 32 and the light shielding member 33 moves to the side of the first light-transmitting portion 31, some second external light may be refracted by the front optical device 34 to the bottom of the light shielding member 33, and then reflected by the bottom of the light shielding member 33 to the rear imaging device 35. The second external light transmitted along this path is stray light, which affects the imaging quality. In view of this, in one embodiment, in order to reduce the impact of the stray light shown in Figure 15 on the imaging, a light extinction structure can be provided at the bottom of the light shielding member 33. This will be explained below.

[0132] As shown in Figures 14 and 16, the first side and the second side of the light shielding member 33 can be defined, and the first side and the second side are arranged opposite to each other. The first side is used to receive external light, and the first side is, for example, the upper side in Figure 14 or the lower side in Figure 16, and the second side is, for example, the lower side in Figure 14 or the upper side in Figure 16. The second side of the light shielding member 33 (or the bottom of the light shielding member 33) can be provided with a plurality of serrations 331. Schematically, the serrations 331 can extend roughly along the width direction of the camera module 3, and these serrations 331 can be arranged according to a certain rule, for example, they can be arranged in sequence along the length direction of the camera module 3 to form a serration array.

[0133] Figure 17 is a schematic diagram of the DD cross-sectional structure of the light shielding member 33 shown in Figure 16. As shown in Figure 17, schematically, the structures of the saw teeth 331 on the light shielding member 33 can be consistent or substantially consistent. The cross-sectional shape of the saw teeth 331 can be, for example, a triangle.

[0134] Figure 18 is a schematic diagram of the partial structure of the light shielding member 33 in Figure 17. Figure 18 also illustrates the transmission path of the stray light shown in Figure 15. As shown in Figure 18, the stray light can be incident at an angle of incidence α to one surface of the sawtooth 331, where the angle of incidence α can be the angle between the stray light and the XY plane. Due to the cross-sectional shape of the sawtooth 331, the stray light can be reflected multiple times by the sawtooth 331 and finally emitted. After multiple reflections, the energy of the stray light is consumed and weakened, so the amount of light entering the rear-end imaging device 35 is reduced, thereby reducing the impact of the stray light on the imaging quality. In addition, the stray light can also be eventually deflected in other directions by the sawtooth 331 and will not enter the rear-end imaging device 35, which is also conducive to reducing the impact of the stray light on the imaging quality.

[0135] As shown in Figure 18, the angle β and the angle θ can be defined in the triangle of the cross section of the sawtooth 331. The angle β and the angle θ can affect the specific structure of the triangular cross section of the sawtooth 331. Schematically, the angle β and the angle θ can respectively satisfy the following relationship with the incident angle α: 90°-α≤β≤90°, α≤θ≤90°. When the angle β and the angle θ are within the range, the effect of eliminating stray light is better. For example, when the incident angle α = 34°, 56°≤β≤90°, 34≤θ≤90°, schematically, β can be 56°, 70°, 90°, etc., and θ can be 34°, 62°, 90°, etc.

[0136] Figures 19(a), 19(b), 19(c), 19(d), and 19(e) illustrate how different cross-sectional triangles of sawtooth 331 reflect stray light. As shown in Figures 19(a) to 19(e), the incident angle of the stray light can be consistent. However, as the angles β and θ vary, the number of times the stray light is reflected within sawtooth 331 varies, and the direction of the stray light ultimately reflected by sawtooth 331 also varies. It is understood that the further the stray light ultimately reflected by sawtooth 331 deviates from the rear-end imaging device 35 and the greater the number of times the stray light is reflected within sawtooth 331, the better the extinction effect.

[0137] In one embodiment, the triangular cross-section of the sawtooth 331 does not need to satisfy the above relationship. Alternatively, in another embodiment, the cross-section of the sawtooth 331 can be other shapes with sharp corners.

[0138] As can be understood from the above, by providing a sawtooth array at the bottom of the light shielding member 33, stray light from different paths can be eliminated, significantly reducing the impact of stray light on imaging quality. In one embodiment, a sawtooth array can be omitted, with sawtooths 331 provided only at required locations on the light shielding member 33. Alternatively, in another embodiment, a light extinction structure can be omitted from the bottom of the light shielding member 33.

[0139] As shown in Figure 20 , a gap is provided between the light shielding member 33 and the front optical device 34 to ensure that their movements do not interfere with each other. When the front optical device 34 moves to the side of the second light-transmitting portion 32 and the light shielding member 33 moves to the side of the first light-transmitting portion 31, ambient light can pass through this gap and enter the rear imaging device 35. This second ambient light transmitted along this path is stray light, which can affect image quality. Therefore, in one embodiment, to reduce the impact of the stray light shown in Figure 20 on imaging, a light-shielding curtain can be provided on the light shielding member 33 to block this stray light. This will be explained below.

[0140] As shown in Figures 8 and 9 , in one embodiment, a light shielding curtain 37 may be provided on the light shielding member 33. The light shielding curtain 37 may be provided at the edge of the light shielding member 33. As shown in Figures 8 and 20 , when the light shielding member 33 is aligned with the first light-transmitting portion 31, the light shielding curtain 37 may be located on the side of the light shielding member 33 closer to the front optical device 34. Illustratively, the light shielding curtain 37 may be a strip-shaped structure that is capable of a certain degree of elastic deformation.

[0141] FIG21 is a schematic diagram of the direction C of FIG8 . As shown in FIG21 , schematically, the shading curtain 37 may include a fixed portion 371 and a cantilever portion 372, which are connected to each other. The fixed portion 371 may be basically flat on the shading member 33 and fixedly connected to the shading member 33, and the fixed connection includes but is not limited to bonding. The cantilever portion 372 may not be in contact with the shading member 33, but may have a gap with the shading member 33. In conjunction with FIG21 and FIG14 , the end of the cantilever portion 372 away from the fixed portion 371 may be bent toward the magnet 365; or in conjunction with FIG21 and FIG20 , the cantilever portion 372 may be bent in a direction away from the light-transmitting portion 2.

[0142] Figure 22 illustrates the relative positions of the cantilever portion 372 and the front optical device 34 when the light shielding member 33 is moved to the side of the first light-transmitting portion 31. As shown in Figure 22, the cantilever portion 372 can be located between the light shielding member 33 and the front optical device 34 and can extend generally along the Z-direction. The cantilever portion 372 can extend to a position no higher than the top surface of the front optical device 34. As a result, stray light entering through the gap between the light shielding member 33 and the front optical device 34 is blocked by the cantilever portion 372 and prevented from entering the rear imaging device 35, thereby preventing stray light from affecting imaging quality.

[0143] As shown in FIG22 , when the light shield 33 moves leftward and the front optical device 34 moves rightward, the front optical device 34 contacts and lifts the cantilever 372, causing elastic deformation of the cantilever 372. Once the light shield 33 is aligned with the second light-transmitting portion 32 and the front optical device 34 is aligned with the first light-transmitting portion 31, the front optical device 34 separates from the cantilever 372, allowing the cantilever 372 to return to its "natural drooping" state.

[0144] Therefore, this embodiment provides a light shielding curtain 37 on the light shielding member 33, utilizing the cantilever portion 372 of the light shielding curtain 37 to block stray light and ensure imaging quality. Furthermore, the elastic deformation of the cantilever portion 372 does not affect the reverse linkage between the light shielding member 33 and the front optical device 34.

[0145] Based on the aforementioned principle of blocking stray light, in another embodiment, as shown in FIG22 , a light shielding curtain 37 can be positioned at the edge of the front optical component 34, on the side of the front optical component 34 closest to the light shielding member 33. The fixed portion 371 is fixed to the front optical component 34. The cantilever portion 372 can be bent or unbent relative to the fixed portion 371. The cantilever portion 372 can extend in the Z direction and can extend to a position no lower than the bottom surface of the light shielding member 33. As will be readily understood, the light shielding curtain 37 positioned on the front optical component 34 can also block stray light entering through the gap between the front optical component 34 and the light shielding member 33.

[0146] In one embodiment of the present application, adjustments can be made based on the above embodiment by replacing the gear-double rack transmission mechanism with a transmission wheel-rope transmission mechanism, which can also achieve reverse linkage between the light shielding member 33 and the front optical device 34. This is described below.

[0147] Figures 23, 24 and 25 illustrate a transmission wheel-rope transmission mechanism in an embodiment. As shown in Figures 23 to 25, the transmission wheel-rope transmission mechanism may include two transmission wheels 461 and a rope 462.

[0148] As shown in conjunction with FIG. 25 and FIG. 7 , the two transmission wheels 461 can be spaced apart. The two transmission wheels 461 can be rotatably connected to the inner side of the module housing 3a. Illustratively, the transmission wheels 461 can have a circular profile. In another embodiment, the transmission wheels 461 are not limited to having a circular profile, but can also have other smooth profiles, such as an elliptical or arc-shaped profile. Furthermore, in another embodiment, the transmission wheels 461 can be fixed and non-rotatable.

[0149] As shown in Figure 25, the rope 462 can wrap around the two transmission wheels 461 and be wound around the outer circumference of the two transmission wheels 461. The rope 462 can be fixedly connected to the shading member 33 and the front optical device 34 on opposite sides of the radial direction of the transmission wheel 461 (the connection between the rope 462 and the front optical device 34 will be further described below). The material of the rope 462 is not limited, and includes but is not limited to steel wire, composite materials such as Kevlar, rubber, etc. The rope 462 can have a high elastic modulus and is not easy to deform, or it can have a low elastic modulus and is easy to deform. The cross-sectional shape of the rope 462 is not limited, and includes but is not limited to circular, rectangular, trapezoidal, etc.

[0150] In one embodiment, as shown in FIG. 26 , FIG. 27 and FIG. 28 , the front-end optical device 34 may further include a fixed shell 343 , an elastic member 344 , a fixed block 345 , a fixed block 346 , an elastic member 347 and a bottom plate 348 .

[0151] As shown in Figure 28 , the fixed housing 343 may be provided with two receiving grooves 343a. An elastic member 344 and a fixing block 345 may be received and retained within one receiving groove 343a. The opposite ends of the elastic member 344 may respectively abut the inner wall of the receiving groove 343a and the fixing block 345. A fixing block 346 and an elastic member 347 may be received and retained within the other receiving groove 343a. The opposite ends of the elastic member 347 may respectively abut the inner wall of the receiving groove 343a and the fixing block 346. The elastic members 344 and 347 may be, for example, springs.

[0152] As shown in Figure 28, at least one of the fixing blocks 345 and 346 can slide within the receiving groove 343a. When the fixing block slides, the elastic member in contact with the fixing block undergoes elastic deformation. In another embodiment, the fixing block may not slide within the receiving groove 343a, but may be fixed therein.

[0153] In another embodiment, at least one of the elastic member 344 and the elastic member 347 may be eliminated.

[0154] As shown in Figures 26-28 , the bottom plate 348 can be enclosed with the fixed housing 343, enclosing the elastic member 344, the fixed block 345, the fixed block 346, and the elastic member 347. In this embodiment, the bottom plate 348 and the fixed housing 343 can be collectively referred to as a receiving housing. As shown in Figures 25 and 26 , the bottom plate 348 can be schematically fixed to the bracket 342, thereby securing the fixed housing 343 and the elastic member 344, the fixed block 345, the fixed block 346, and the elastic member 347 within the fixed housing 343 to the bracket 342.

[0155] As shown in Figures 25 and 27 , the portion of the cable 462 between the two transmission wheels 461 can be disconnected. One end of the disconnected portion can be fixed to the fixing block 345, and the elastic member 344 can be threaded around the outer periphery of this end. The other end of the disconnected portion of the cable 462 can be fixed to the fixing block 346, and the elastic member 347 can be threaded around the outer periphery of this end. In this manner, the cable 462 can be connected to the front optical device 34.

[0156] In another embodiment, the connection between the rope 462 and the front optical device 34 can be achieved in any suitable manner, without adopting the above structure. The rope 462 can be disconnected; or the rope 462 is not disconnected and is a complete circle.

[0157] In one embodiment, the connection between the cord 462 and the light shield 33 can also employ a design identical or similar to that used to connect the cord 462 to the front optical device 34. For example, the light shield 33 can also include a housing, a fixing block mounted within the housing, and a spring, and the end of the cord 462 at its break can be fixed to the fixing block. It is understood that, while meeting design requirements, for the purpose of simplifying the product structure and saving space, the aforementioned connection design for the cord 462 can be implemented only at the front optical device 34 or the light shield 33.

[0158] The transmission principle of the transmission wheel-rope transmission mechanism of this embodiment will be described below.

[0159] As shown in FIG13 , magnet 365 can apply electromagnetic force to coil 364 at the bottom of bracket 342, which can drive the front optical device 34 to move. As shown in FIG25 , since the front optical device 34 is connected to a rope 462, the front optical device 34 will drive the rope 462 to move, and the rope 462 will drive the transmission wheel 461 to rotate. In embodiments where the transmission wheel 461 is fixed, the rope 462 will slide on the surface of the transmission wheel 461.

[0160] As shown in Figure 25 , the rope 462 also drives the movement of the shade 33, which is fixedly connected to the rope 462. Due to the motion characteristics of the rope 462, the shade 33 and the front optical device 34 move in opposite directions. It can be understood that the movement of the rope 462 in different directions can cause the shade 33 and the front optical device 34 to move between the first light-transmitting portion 31 and the second light-transmitting portion 32. In this embodiment, the drive source can directly drive the front optical device 34. The drive wheel and rope transmission mechanism connects the shade 33 and the front optical device 34, and the front optical device 34 can transmit motion to the shade 33 through the drive wheel and rope transmission mechanism.

[0161] As shown in FIG28 , by disconnecting the rope 462, installing an elastic member at the disconnection point, and making the fixed block slidable, when the camera module 3 is subjected to a large impact (for example, in a fall, collision, etc.), the impact force can drive the fixed block to slide, reducing or avoiding the risk of the rope 462 being broken by excessive impact force. When the impact disappears, the elastic member can restore its elastic deformation and push the fixed block back to the default position. In addition, the elastic member can also provide some buffering and vibration absorption.

[0162] In another embodiment, the rope 462 can be broken, but no elastic member is required to be installed on the rope 462. In this case, the rope 462 can be made of a material with a small elastic modulus so that the rope 462 itself has a buffering and vibration-absorbing effect, thereby preventing the rope 462 from breaking under impact.

[0163] In another embodiment, the rope 462 can be broken, and only one of the two ends of the broken portion is provided with an elastic member, while the other end is not provided with an elastic member.

[0164] In another embodiment, the rope 462 may be a complete circuit and may be made of a material with a relatively low elastic modulus, so that the rope 462 itself has a cushioning and vibration-absorbing effect, preventing the rope 462 from breaking under impact. Alternatively, the rope 462 may be made of a material with a relatively high elastic modulus, depending on product requirements.

[0165] In one embodiment, an elastic member may be installed at the transmission wheel 461 so that the transmission wheel 461 plays a role of buffering and absorbing vibrations. In this case, the rope 462 may not need to be installed with an elastic member, or an elastic member may also be installed according to product requirements.

[0166] Illustratively, a drive wheel-rope transmission mechanism can be provided on opposite sides of the shade 33 (or on opposite sides of the front optical device 34). This ensures structural stability and reliable transmission. Alternatively, only one drive wheel-rope transmission mechanism can be provided, and the position of the drive wheel-rope transmission mechanism can be adjusted as needed to ensure structural and transmission performance. Illustratively, a drive wheel-rope transmission mechanism can be provided on one side of the shade 33, and a guide structure can be provided on the opposite side of the shade 33. This guide structure can, for example, include a guide rod or a guide groove, allowing the opposite side of the shade 33 to move along a predetermined trajectory.

[0167] The transmission wheel-rope transmission mechanism used in this embodiment can be considered as a flexible transmission. The flexible transmission occupies less space, has less operating noise, can have a buffering and vibration absorbing performance, and is light in weight.

[0168] In another embodiment, the drive source may be connected to a drive wheel-cable transmission mechanism. The drive source can directly drive the drive wheel-cable transmission mechanism to generate mechanical motion, which then transmits motion to the shade member 33 and the front optical device 34, thereby causing the two to be inversely linked. The drive source includes, but is not limited to, a piezoelectric motor, an SMA wire motor, a linear motor, and the like. The drive source may, for example, be connected to the drive wheel 461 (which is rotatable) or to the cable 462 (which is rotatable or fixed).

[0169] In one embodiment of the present application, the transmission mechanism can be replaced based on the solution of the above embodiment, and the reverse linkage between the light shielding member 33 and the front optical device 34 can also be achieved.

[0170] As shown in Figures 29 and 30, in one embodiment, the transmission mechanism may include an elastic member 561 and a rotating shaft 562. The rotating shaft 562 is fixed within the camera module 3, for example, to the module housing 3a. The elastic member 561 is rotatably connected to the rotating shaft 562 and connects the light shielding member 33 and the front optical device 34. Illustratively, the elastic member 561 may have a curved shape, for example, capable of bending back and forth multiple times. The elastic member 561 has elastic deformation properties and may be, for example, a torsion spring. Driven by the front optical device 34, the elastic member 561 is configured to rotate about the rotating shaft 562 and undergo elastic deformation, thereby driving the light shielding member 33 to move. Figures 29 and 30 illustrate the posture changes of the elastic member 561 in different states. In this embodiment, the drive source can directly drive the front optical device 34. The elastic member 561 connects the light shielding member 33 and the front optical device 34. The front optical device 34 can transmit motion to the light shielding member 33 via the transmission mechanism.

[0171] In another embodiment, the drive source may be connected to a transmission mechanism. The drive source can directly drive the transmission mechanism to generate mechanical motion, which in turn transmits motion to the light shielding member 33 and the front optical device 34, thereby causing the two to move in opposite directions. For example, the drive source can be connected to an elastic member 561. The drive source drives the elastic member 561 to rotate about the rotation axis 562, thereby causing the elastic member 561 to drive the light shielding member 33 and the front optical device 34 to move in opposite directions.

[0172] As shown in Figures 31 and 32, in one embodiment, the transmission mechanism can be replaced by a connecting rod mechanism, which can include a connecting rod 661 and a rotating shaft 662. The rotating shaft 662 is fixed in the camera module 3, for example, it can be fixed on the module housing 3a. The connecting rod 661 is rotatably connected to the rotating shaft 662. Two sliding grooves 661a are provided on the connecting rod 661, and the sliding grooves 661a can be, for example, runway-shaped. The sliding grooves 661a can be through holes or blind holes. Among them, one sliding groove 661a forms a sliding fit with the sliding pin 33a on the shading member 33, and the other sliding groove 661a forms a sliding fit with the sliding pin 64a on the front-end optical device 34, thereby, the connecting rod 661 can movably connect the shading member 33 and the front-end optical device 34.

[0173] Figures 31 and 32 illustrate the changing posture of the connecting rod 661 in different states. As shown in Figures 31 and 32, the connecting rod 661 can rotate about the rotation axis 662 driven by the front optical device 34, thereby driving the light shielding member 33 to move. As the connecting rod 661 rotates, each sliding pin slides within its corresponding slot 661a. In this embodiment, the drive source can directly drive the front optical device 34. The connecting rod 661 connects the light shielding member 33 and the front optical device 34. The front optical device 34 can transmit motion to the light shielding member 33 via the connecting rod mechanism.

[0174] In another embodiment, the driving source may be connected to a linkage mechanism. The driving source may directly drive the linkage mechanism to generate mechanical motion, which in turn transmits motion to the light shielding member 33 and the front optical device 34, thereby causing the two to move in opposite directions. For example, the driving source may be connected to a linkage 661, which drives the linkage 661 to rotate about a rotation axis 662, thereby causing the linkage 661 to drive the light shielding member 33 and the front optical device 34 in opposite directions.

[0175] In an embodiment of the present application, the stray light blocking structure shown in FIG21 may be replaced based on the solution of the above embodiment, as will be explained below.

[0176] As shown in FIG33 , in one embodiment, the camera module 3 may include a light-shielding curtain 38 and a torsion spring 39. The light-shielding curtain 38 and the torsion spring 39 are disposed at the edge of the light-shielding member 33. The torsion spring 39 connects the light-shielding curtain 38 to the light-shielding member 33. The light-shielding curtain 38 is rotatably connected to the light-shielding member 33 via the torsion spring 39. The light-shielding curtain 38 is opaque and can block stray light.

[0177] As shown in FIG33 in conjunction with FIG22 , when the light shielding member 33 is aligned with the first light-transmitting portion 31, the light shielding curtain 38 is positioned between the light shielding member 33 and the front optical device 34. The light shielding curtain 38 can extend along the Z direction in FIG22 . The light shielding curtain 38 can extend downward to a position no higher than the top surface of the front optical device 34. Thus, the light shielding curtain 38 can block stray light that passes through the second light-transmitting portion 32 and enters through the gap between the light shielding member 38 and the front optical device 34. When the front optical device 34 moves rightward, the front optical device 34 contacts the light shielding curtain 38 and pushes it, tilting it so that it does not substantially obstruct the reverse linkage between the front optical device 34 and the light shielding member 33.

[0178] In another embodiment, as shown in FIG33 and FIG22 , a light shielding curtain 38 and a torsion spring 39 can be provided at the edge of the front optical component 34, on the side of the front optical component 34 closest to the light shielding member 33. The light shielding curtain 38 can be located on the side of the front optical component 34 facing the light-transmitting portion 2. The light shielding curtain 38 can extend along the Z-direction in FIG22 , and can extend upward to a position no lower than the bottom surface of the light shielding member 33. As will be readily understood, the light shielding curtain 38 provided on the front optical component 34 can also block stray light entering through the gap between the front optical component 34 and the light shielding member 33.

[0179] Figures 34, 35 and 36 illustrate another embodiment of a stray light blocking structure. As shown in Figures 34 to 36, the camera module may further include a light shielding curtain 40 and a torsion spring 41.

[0180] The light-shielding curtain 40 may include a connected pin 40a and a light-shielding portion 40b. For example, there may be two pins 40a, each connected to the ends of the light-shielding portion 40b. The pin 40a may be rotatably disposed within the camera module 3, for example, on the module housing 3a. The light-shielding portion 40b may be, for example, a long, sheet-like structure. A torsion spring 41 is mounted on the pin 40a, and the torsion spring 41 may be limited in position by the module housing 3a. The torsion spring 41 is used to provide an elastic restoring force to the pin 40a.

[0181] As shown in Figure 34 in conjunction with Figure 22 , when the light shielding member 33 is aligned with the first light-transmitting portion 31, the light shielding portion 40b of the light-shielding curtain 40 can be positioned between the light shielding member 33 and the front optical element 34. The light shielding portion 40b can extend along the Z-direction in Figure 22 . The light shielding portion 40b can extend downward to a position no higher than the top surface of the front optical element 34. This allows the light shielding portion 40b to block stray light that passes through the second light-transmitting portion 32 and enters through the gap between the light shielding member 33 and the front optical element 34. The light shielding portion 40b is configured to be pushed by the front optical element 34 during movement and rotate about the pin 40a. When the front optical element 34 moves rightward, the front optical element 34 contacts and pushes the light shielding portion 40b, tilting it. This prevents the light shielding portion 40b from substantially obstructing the reverse rotation of the front optical element 34 and the light shielding member 33.

[0182] As shown in Figure 37 and Figure 4(a), when the shading member 33 is aligned with the second light-transmitting portion 32, the shading portion 40b of the shading curtain 40 can also be located between the shading member 33 and the front-end optical device 34, and the shading portion 40b can extend along the Z direction in Figure 4(a).

[0183] It is understood that the stray light blocking structure shown in FIG21, the stray light blocking structure shown in FIG33, and the stray light blocking structure shown in FIG34 to FIG37 are three parallel schemes, and any one of them can be used to block stray light. In addition, each of the above stray light blocking schemes can be combined with the scheme of providing a sawtooth array on the light shielding member 33 to achieve a better stray light blocking effect.

[0184] For ease of understanding, the relevant technical terms involved in the embodiments of this application are explained and described below.

[0185] In the description of the embodiments of the present application, unless otherwise specified, "plurality" refers to two or more.

[0186] The terms "first", "second", etc. are used for descriptive purposes only and should not be understood to suggest or imply relative importance or to implicitly indicate the quantity of the technical features indicated. Features qualified as "first" or "second" may explicitly or implicitly include one or more of such features.

[0187] The term "connect" should be interpreted broadly. For example, "connect" can mean either a detachable or non-detachable connection, a direct connection, or an indirect connection through an intermediary. The term "fix" should also be interpreted broadly. For example, "fix" can mean either a direct fixation or an indirect fixation through an intermediary.

[0188] The directional terms mentioned in the embodiments of this application, such as "upper," "lower," "front," "back," "left," "right," "inner," "outer," "side," "top," and "bottom," are merely references to directions in the accompanying drawings. These directional terms are intended to better and more clearly illustrate and understand the embodiments of this application, and are not intended to explicitly or implicitly indicate that the devices or components referred to must have a specific orientation, be constructed or operate in a specific orientation, and are therefore not to be construed as limiting the embodiments of this application.

[0189] In the description of the embodiments of this application, unless otherwise specified, "and / or" is simply a description of an association relationship between associated objects, indicating that three relationships can exist. For example, "A and / or B" can represent: A exists alone, A and B exist simultaneously, or B exists alone.

[0190] The above description is merely a specific embodiment of the present application, but the scope of protection of the present 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 camera module, characterized in that: The camera module has a first lighting area and a second lighting area; the camera module includes a light shielding member, a front optical device, a driving device and a rear imaging device; The driving device is used to drive the shading member and the front optical device to move between the first lighting area and the second lighting area, and to make the movement directions of the shading member and the front optical device opposite, and, When the light shield reaches the first light-collecting area, the front optical device reaches the second light-collecting area, the light shield is used to block the first external light passing through the first light-collecting area from being emitted to the rear imaging device, and the front optical device is used to allow the second external light passing through the second light-collecting area to be emitted to the rear imaging device; When the light shield reaches the second light-collecting area, the front optical device reaches the first light-collecting area, the light shield is used to block the second external light passing through the second light-collecting area from being emitted to the rear imaging device, and the front optical device is used to allow the first external light passing through the first light-collecting area to be emitted to the rear imaging device; The rear-end imaging device is used to perform imaging processing on the first external light or the second external light.

2. The camera module according to claim 1, wherein: The camera module further includes a first light-transmitting portion and a second light-transmitting portion, wherein the first light-transmitting portion is provided in the first light-collecting area and is used to transmit the first external light, and the second light-transmitting portion is provided in the second light-collecting area and is used to transmit the second external light; The front-end optical device and the rear-end imaging device are both located on the light-emitting sides of the first light-transmitting portion and the second light-transmitting portion.

3. The camera module according to claim 2, wherein: The light shielding member is located at the light exit side of the first light transmitting portion and the second light transmitting portion, or the light shielding member is located at the light incident side of the first light transmitting portion and the second light transmitting portion.

4. The camera module according to claim 2 or 3, wherein: At least one of the first light-transmitting portion and the second light-transmitting portion includes an optical lens, and the optical lens is used to optically process external light.

5. The camera module according to claim 4, wherein: The first light-transmitting portion and the second light-transmitting portion both include optical lenses, and the focal length of the first light-transmitting portion is different from the focal length of the second light-transmitting portion.

6. The camera module according to any one of claims 1 to 5, characterized in that: The driving device includes a driving source and a transmission mechanism, wherein the driving source is connected to the transmission mechanism and is used to drive the transmission mechanism to generate mechanical motion; The transmission mechanism connects the shading member and the front-end optical device, and the transmission mechanism is used to transmit motion to the shading member and the front-end optical device.

7. The camera module according to any one of claims 1 to 5, characterized in that: The driving device includes a driving source and a transmission mechanism, wherein the driving source is used to drive the front optical device to move, and the transmission mechanism connects the light shielding member and the front optical device; The front optical device is used to transmit motion to the shading member through the transmission mechanism.

8. The camera module according to claim 7, wherein: The driving source includes a voice coil motor, which includes a magnet and a coil. The magnet is fixed in the camera module, and the coil is fixed to the front-end optical device.

9. The camera module according to any one of claims 6 to 8, characterized in that: The transmission mechanism includes a first rack, a gear and a second rack; The first rack is connected to the light shielding member, and the second rack is connected to the front optical device; The gear is located between the first rack and the second rack, and is meshed with both the first rack and the second rack.

10. The camera module according to claim 9, wherein: The gear is arranged in the housing of the camera module and is rotatably connected to the housing.

11. The camera module according to any one of claims 6 to 8, wherein: The transmission mechanism includes two transmission wheels and a rope; The two transmission wheels are arranged in the camera module at intervals; The rope is wound around the outer circumference of the two transmission wheels, and the rope is fixedly connected to the shading member and the front optical device on opposite sides of the radial direction of the transmission wheels respectively, and the rope is used for moving relative to the two transmission wheels.

12. The camera module according to claim 11, wherein: The two transmission wheels are used for generating rotation.

13. The camera module according to claim 11 or 12, wherein: The light shielding member or the front optical device includes a receiving shell, a fixing block and a spring, wherein the fixing block and the spring are both received in the receiving shell, the fixing block is configured to move in the receiving shell, and opposite ends of the spring respectively abut against an inner wall of the receiving shell and the fixing block; The rope comprises two opposite ends with a gap, the two opposite ends of the rope are both located in the receiving shell, the spring is sleeved on the outer periphery of one of the two opposite ends, and the fixing block is fixedly connected to the one end.

14. The camera module according to any one of claims 6 to 8, characterized in that: The transmission mechanism includes an elastic member and a rotating shaft; The rotating shaft is fixed in the camera module; The elastic member is rotatably connected to the rotating shaft and connects the shading member and the front optical device; the elastic member is used to rotate around the rotating shaft and undergo elastic deformation.

15. The camera module according to any one of claims 6 to 8, characterized in that: The light shielding member and the front optical device are both provided with sliding pins; The transmission mechanism includes a connecting rod and a rotating shaft; The rotating shaft is fixed in the camera module; The connecting rod is rotatably connected to the rotating shaft; the connecting rod is provided with two sliding grooves, one of which forms a sliding fit with the sliding pin of the shading member, and the other slide groove forms a sliding fit with the sliding pin of the front-end optical device; the connecting rod is used to rotate around the rotating shaft, and each sliding pin is used to slide in the corresponding slide groove.

16. The camera module according to any one of claims 1 to 15, wherein: The light shielding member includes a first side and a second side, the first side and the second side are arranged opposite to each other, the first side is used to receive external light, and the second side is provided with a plurality of saw teeth with a triangular cross-section.

17. The camera module according to any one of claims 1 to 16, wherein: The camera module also includes a shading curtain, which is used to block external light entering from the gap between the shading member and the front-end optical device when the shading member reaches the first lighting area.

18. The camera module according to claim 17, wherein: The shading curtain comprises a fixed portion and a cantilever portion connected to each other, wherein the fixed portion is fixed to the edge of the shading member, a gap is formed between the cantilever portion and the shading member, the cantilever portion is bent relative to the fixed portion, and the cantilever portion is capable of generating elastic deformation; When the shading member reaches the first lighting area, the shading curtain is located on the side of the shading member close to the front-end optical device, and the cantilever part is located between the shading member and the front-end optical device. The cantilever part is used to block external light entering from the gap between the shading member and the front-end optical device.

19. The camera module according to claim 17, wherein: The camera module further includes a torsion spring, the shading curtain and the torsion spring are both arranged at the edge of the shading member, and the shading curtain is rotatably connected to the shading member via the torsion spring; When the shading member reaches the first lighting area, the light-shielding curtain is located between the shading member and the front optical device.

20. The camera module according to claim 17, wherein: The camera module also includes a torsion spring; The light-shielding curtain includes a connected pin shaft and a light-shielding portion, wherein the pin shaft is rotatably disposed in the camera module; when the light-shielding member reaches the first light-collecting area, the light-shielding portion is located between the light-shielding member and the front-end optical device, and is used to block external light entering through the gap between the light-shielding member and the front-end optical device; the light-shielding portion is also used to be pushed by the light-shielding member and the front-end optical device when the light-shielding member and the front-end optical device move, and rotate around the pin shaft; The torsion spring is installed on the pin shaft, and the torsion spring is used to provide elastic restoring force to the pin shaft.

21. The camera module according to any one of claims 1 to 20, characterized in that: The front-end optical device includes a prism or a mirror.

22. The camera module according to any one of claims 1 to 21, wherein: The camera module is a periscope camera module, and the front-end optical device is used to deflect external light to the rear-end imaging device.

23. An electronic device, characterized in that: It comprises a light-transmitting portion and the camera module according to any one of claims 1 to 22, wherein the camera module is located on the light-emitting side of the light-transmitting portion.

24. The electronic device according to claim 23, wherein: The electronic device includes a shell, the light-transmitting portion is installed on the shell, and the camera module is located inside the shell.

Images