Driving device and camera module

Abstract

The application discloses a driving device and a camera module, wherein the driving device comprises a base, a chip anti-shake part, a lens focusing part, an anti-shake movable part, an anti-shake driving part, a focusing movable part and a focusing driving part. The anti-shake driving part comprises a plurality of anti-shake magnets and a plurality of anti-shake coils. The plurality of anti-shake magnets are arranged on the base, and the plurality of anti-shake coils are arranged on the anti-shake movable part. The focusing driving part comprises a focusing magnet and a focusing coil. The focusing magnet is arranged on the base, and the focusing coil is arranged on the focusing movable part. At least one of the plurality of anti-shake magnets extends to the object side and forms a shared magnet with the focusing magnet. A focusing magnetic attraction member is arranged on the focusing movable part. A focusing support member is arranged on one side of the periphery of the focusing movable part. The focusing support member and the shared magnet are located on the opposite side of the focusing movable part.

Description

Technical Field

[0001] This application relates to the field of camera module technology, and in particular to a driving device and a camera module. Background Technology

[0002] With the widespread adoption of mobile electronic devices, the technologies related to camera modules used in these devices to help users capture images have developed and progressed rapidly. Currently, consumers in the market have increasingly higher and more diverse requirements for the functions of camera modules configured in mobile electronic devices (e.g., smartphones), such as focusing and image stabilization.

[0003] When using a mobile electronic device to photograph subjects at different distances, a driving device drives the optical lens to move along the optical axis to achieve focusing and thus achieve clear shooting at different distances.

[0004] Furthermore, when using mobile electronic devices for video recording, the physiological tremors that occur at a certain frequency under normal circumstances and the shaking caused by movement can lead to a decrease in video quality. Therefore, mobile electronic devices are usually equipped with image stabilization devices to drive the lens or image sensor to move and achieve image stabilization.

[0005] Currently, several solutions have been applied to achieve the above functions of camera modules. One major technical challenge is that while achieving these functions, the complexity and size of the camera module's structure will increase, which contradicts the trend of mobile electronic devices becoming lighter and thinner.

[0006] Therefore, there is a need for an optimized drive unit and camera module that can satisfy focusing and / or image stabilization functions while keeping the size relatively small. Summary of the Invention

[0007] One objective of this application is to provide a driving device and a camera module that overcomes the shortcomings of the prior art, satisfying the focusing and / or image stabilization functions of the camera module while keeping its size relatively small.

[0008] According to a first aspect of this application, a driving device is provided, comprising:

[0009] Base;

[0010] The chip-based image stabilization component includes:

[0011] A stabilizer movable part is disposed on the image side of the base;

[0012] A stabilization drive unit, comprising a plurality of stabilization magnets and a plurality of stabilization coils, wherein the plurality of stabilization magnets and the plurality of stabilization coils are disposed opposite to each other, the plurality of stabilization magnets are disposed on the base, and the plurality of stabilization coils are disposed on the stabilization movable part; and

[0013] The lens focusing section includes:

[0014] A focusing movable part is disposed on the object side of the base, and the focusing movable part has a peripheral side located between the image side and the object side of the focusing movable part;

[0015] A focusing drive unit includes a focusing magnet and a focusing coil. The focusing magnet and the focusing coil are disposed opposite to each other. The focusing magnet is disposed on the base, and the focusing coil is disposed on the focusing movable part. At least one of the plurality of image stabilizing magnets extends toward the object side and forms a shared magnet with the focusing magnet.

[0016] A focusing magnetic attracting component is disposed on the focusing movable part, and the focusing magnetic attracting component and the common magnet attract each other in the horizontal direction; and

[0017] A focusing support member is disposed on one side of the peripheral side of the focusing movable part, wherein the focusing support member and the shared magnet are located on opposite sides of the focusing movable part, and the focusing support member is clamped between the focusing movable part and the base under the action of the focusing magnetic attraction member.

[0018] In some embodiments, the common magnet and the focusing magnetic member are located on the same side of the focusing movable part, and the focusing magnetic member and the focusing support member are located on opposite sides of the focusing movable part.

[0019] In some embodiments, the peripheral side of the focusing movable part includes a first side, a second side, a third side and a fourth side arranged sequentially in a clockwise direction, the focusing magnetic suction member is disposed on the first side of the focusing movable part, and the focusing support member is disposed on the second side and the fourth side of the focusing movable part.

[0020] In some embodiments, the focusing coil and the common magnet are arranged opposite each other in the horizontal direction, and the image stabilization coil and the common magnet are arranged opposite each other in the vertical direction. The common magnet interacts with the focusing coil and the image stabilization coil respectively, driving the focusing carrier and the image stabilization movable carrier to move relative to the base.

[0021] In some embodiments, the focusing support component includes a first ball bearing mounting portion, a second ball bearing mounting portion, and a focusing ball bearing clamped between the first ball bearing mounting portion and the second ball bearing mounting portion, wherein the first ball bearing mounting portion is disposed on the focusing carrier, and the second ball bearing mounting portion is disposed on the base.

[0022] In some embodiments, the first ball bearing mounting portion has an opening facing the common magnet, the second ball bearing mounting portion has an opening facing away from the common magnet, and the focusing ball bearing is clamped between the opening of the first ball bearing mounting portion and the opening of the second ball bearing mounting portion under the action of the focusing magnetic attraction member.

[0023] In some embodiments, the number of the first ball bearing mounting portions is two, the number of the second ball bearing mounting portions is two, and the two first ball bearing mounting portions and the two second ball bearing mounting portions are respectively disposed on the second side and the fourth side of the focusing movable portion.

[0024] In some embodiments, the plurality of anti-shake magnets may also include other magnets besides the common magnet, wherein the height of the common magnet is greater than the height of the other magnets.

[0025] In some embodiments, the projected area of ​​the shared magnet along the height direction is smaller than the projected area of ​​the other magnets along the height direction.

[0026] According to a second aspect of this application, a camera module is provided, comprising:

[0027] Photosensitive components;

[0028] An optical lens, the optical lens being held in the light-sensing path of the photosensitive element; and

[0029] The driving device is adapted to drive the photosensitive component and the optical lens to move.

[0030] Compared with the prior art, this application has at least one of the following technical effects:

[0031] 1. The camera module achieves focusing and / or image stabilization functions through the lens focusing section and the chip image stabilization section.

[0032] 2. By sharing the image stabilization magnet and the focusing magnet, the number of components in the drive unit is reduced, making the structure of the drive unit more compact.

[0033] 3. The focusing support component and the shared magnet are located on opposite sides of the focusing movable part, so that the focusing carrier can move smoothly along the optical axis.

[0034] Further embodiments and features are set forth in part in the following description, and will be understood by those skilled in the art upon review of the specification or through practice of the disclosed subject matter. Further understanding of the features and advantages of this disclosure may be achieved by referring to the remainder of the specification and drawings, which form part of this application. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of the structure of a camera module according to an embodiment of this application;

[0036] Figure 2 This is an exploded view of a camera module according to an embodiment of this application;

[0037] Figure 3 This is a schematic diagram of the structure of the base according to an embodiment of this application;

[0038] Figure 4 This is an exploded view of the lens focusing section according to an embodiment of this application;

[0039] Figure 5 This is a schematic diagram of the focusing carrier according to an embodiment of this application;

[0040] Figure 6 This is a top view of the lens focusing section according to an embodiment of this application;

[0041] Figure 7 This is a cross-sectional schematic diagram of a camera module according to an embodiment of this application;

[0042] Figure 8 This is a schematic diagram of the chip anti-shake section according to an embodiment of this application;

[0043] Figure 9 This is an exploded view of the chip anti-shake section according to an embodiment of this application;

[0044] Figure 10A This is a bottom view of the chip anti-shake section according to an embodiment of this application;

[0045] Figure 10B This is a top view of the chip anti-shake section according to an embodiment of this application;

[0046] Figure 11A This is a cross-sectional schematic diagram of a camera module according to an embodiment of this application;

[0047] Figure 11B yes Figure 11A Enlarged schematic diagram of the circular region A in the middle;

[0048] Figure 12A This is a cross-sectional schematic diagram of a camera module according to another embodiment of this application;

[0049] Figure 12B yes Figure 12A Enlarged schematic diagram of the middle circular region B;

[0050] Figure 13 This is a schematic diagram of the structure of a circuit board assembly according to an embodiment of this application. Detailed Implementation

[0051] The present application will be further described below with reference to specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0052] The term "comprising" is open-ended. As used in the appended claims, it does not exclude additional structures or steps.

[0053] In the description of this application, it should be noted that the directional terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this application.

[0054] It should be noted that the terms "first," "second," etc., in the specification and claims of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0055] The terms “comprising” and “having”, and any variations thereof, in the specification and claims of this application are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or device.

[0056] It should be noted that, as used in this application, the terms “basically,” “approximately,” and similar terms are used to indicate approximation rather than degree, and are intended to describe inherent deviations in measured or calculated values ​​that would be recognized by a person skilled in the art.

[0057] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection, a contact connection, or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0058] "Configured as" refers to various units, circuits, or other components that can be described or stated as being "configured as" to perform one or more tasks. In such a context, "configured as" is used to imply a structure by indicating that the unit / circuit / component includes a structure (e.g., a circuit) that performs this one or more tasks during operation. Furthermore, "configured as" can include a general structure (e.g., a general-purpose circuit) manipulated by software and / or firmware to operate in a manner capable of performing one or more tasks to be solved. "Configured as" can also include adjusting a manufacturing process (e.g., a semiconductor fabrication facility) to manufacture a device (e.g., an integrated circuit) suitable for implementing or performing one or more tasks.

[0059] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used in the specification and appended claims, the singular forms “a,” “an,” and “the” are intended to also cover the plural forms unless the context otherwise expressly indicates otherwise. It will also be understood that the term “and / or” as used herein refers to and covers any and all possible combinations of one or more of the items listed in connection with the description. It will also be understood that the terms “comprising” and / or “including” as used in this specification specify the presence of the stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0060] As used herein, depending on the context, the term "if" can be interpreted as meaning "when..." or "in response to determination" or "in response to detection". Similarly, depending on the context, the phrase "if it is determined..." or "if [the stated condition or event] is detected" can be interpreted as meaning "when it is determined..." or "in response to determination..." or "when [the stated condition or event] is detected" or "in response to detection".

[0061] Exemplary camera module

[0062] like Figures 1 to 13As shown, the camera module 1 according to the embodiments of this application is explained, which includes a photosensitive component 30, an optical lens 10 held on the photosensitive path of the photosensitive component 30, and a driving device 20 for driving the optical lens 10 and / or the photosensitive component 30 to move to achieve optical performance adjustment, for example, for achieving functions such as optical image stabilization and optical focusing.

[0063] Accordingly, the optical lens 10 includes a lens barrel 11 and a lens group 12 mounted on the lens barrel 11, the lens group 12 including at least one optical lens. The lens group 12 is housed in the lens barrel 11, and the number of at least one optical lens in the lens group 12 can be one or more, without limitation. The photosensitive assembly 30 is disposed opposite to the optical lens 10 along the optical axis of the optical lens 10, wherein the optical axis of the optical lens 10 is also the optical axis of the lens group 12, that is, the axis passing through the geometric center point of the lens group 12 along the arrangement direction of the first lens. For ease of description, the side of the optical lens 10 facing the subject is called the object side, and the side of the optical lens 10 facing the photosensitive assembly 30 is called the image side. The optical axis direction includes the direction along the optical axis pointing to the image side (hereinafter referred to as the image side) and the direction along the optical axis pointing to the object side (hereinafter referred to as the object side). The horizontal direction is perpendicular to the optical axis, and the height direction is along the optical axis.

[0064] The driving device 20 further includes a lens focusing section 23 and a chip-based image stabilization section 24. The lens focusing section 23 can drive the optical lens 10 to move in the Z-axis direction to adjust the distance between the optical lens 10 and the photosensitive component 30, thereby achieving the focusing function of the optical lens 10. The chip-based image stabilization section 24 can drive the photosensitive component 30 to translate in the X and Y axes and / or rotate around the Z-axis direction, thereby achieving translational and / or rotational image stabilization functions for the photosensitive component 30. In this embodiment, the X and Y axes are perpendicular to each other, and the Z-axis is perpendicular to the plane containing the X and Y axes. In other words, the X, Y, and Z axes constitute a three-dimensional coordinate system. The XOY plane containing the X and Y axes is also called the horizontal plane, and the Z-axis is close to or parallel to the optical axis.

[0065] like Figures 2 to 12BAs shown, in one embodiment of this application, the driving device 20 includes a lens focusing section 23 and an image stabilization section 24. An optical lens 10 is disposed in the lens focusing section 23, and the lens focusing section 23 is configured to drive the optical lens 10 to move to achieve optical focusing. A photosensitive component 30 is disposed in the image stabilization section 24, and the image stabilization section 24 is configured to drive the photosensitive component 30 to move to achieve optical image stabilization. The driving device 20 includes an object side, an image side, and a first side 101, a second side 102, a third side 103, and a fourth side 104 arranged clockwise around its periphery.

[0066] In one embodiment of this application, the driving device 20 further includes a housing 22, wherein the housing 22 is fixed to the photosensitive component 30. The housing 22 includes a housing body 221, the housing body 221 includes an annular sidewall 2211 and a top 2212, the annular sidewall 2211 and the top 2212 form a receiving cavity to accommodate the lens focusing part 23, the chip image stabilization part 24 and the base 21, which can prevent dust from entering and prevent the components from falling off during impact.

[0067] In one embodiment of this application, the driving device 20 further includes a base 21, which is fixedly connected to the housing 22. Both the base 21 and the housing 22 are stators. When the camera module 1 performs optical focusing and optical image stabilization functions, the lens focusing portion 23 and the chip-based image stabilization portion 24 can be driven to move relative to the base 21. Furthermore, the base 21 is disposed between the lens focusing portion 23 and the chip-based image stabilization portion 24, meaning the lens focusing portion 23 is disposed on the object side of the base 21, and the chip-based image stabilization portion 24 is disposed on the image side of the base 21. The base 21 is movably connected to both the lens focusing portion 23 and the chip-based image stabilization portion 24, allowing them to move relative to the base 21.

[0068] Specifically, the base 21 includes an upward extension 211, a top lateral extension 212, and a bottom lateral extension 213. The upward extension 211 extends integrally from the bottom lateral extension 213 along the optical axis towards the object side. In a specific example of this application, there are four upward extensions 211, which are respectively disposed at the four corners of the bottom lateral extension 213, including a first upward extension 2111, a second upward extension 2112, a third upward extension 2113, and a fourth upward extension 2114.

[0069] The bottom lateral extension 213 extends horizontally and is a horizontally hollow ring. In a specific example of this application, the bottom lateral extension 213 is located on three sides of the base 21. The bottom lateral extension 213 is not provided on one side of the base 21, that is, the base 21 has an opening facing the side where the bottom lateral extension 213 is not provided.

[0070] The top lateral extension 212 extends horizontally from the upward extension 211 and connects two adjacent upward extensions 211. The top lateral extension 212 is higher than the bottom lateral extension 213. In a specific example of this application, there is one top lateral extension 212, which is located on the side of the base 21 where the bottom lateral extension 213 is not located, that is, the top lateral extension 212 is located on the side where the opening of the base 21 is located. In other words, the top lateral extension 212 and the bottom lateral extension 213 are located on opposite sides. In a specific example of this application, the top lateral extension 212 is located on the first side 101, and the bottom lateral extension 213 is located on the third side 103 opposite to the first side 101.

[0071] Furthermore, the base 21 also includes a pair of magnet 2321 mounting portions 214, which are disposed on one side wall of the base 21. Two adjacent upward extension portions 211 and a top lateral extension portion 212 constitute a pair of magnet 2321 mounting portions 214. For example, in a specific example of this application, the first upward extension portion 2111, the second upward extension portion 2112, and the top lateral extension portion 212 located on the first side 101 constitute the pair of magnet 2321 mounting portions 214.

[0072] like Figures 4 to 7 As shown, in one embodiment of this application, the lens focusing section 23 includes a focusing movable section 231, a focusing drive section 232, and a focusing conductive section 233. The lens is coupled to the focusing movable section 231, the focusing conductive section 233 provides the driving power for the lens focusing section 23, and the focusing drive section 232 drives the focusing movable section 231 to move relative to the base 21, thereby driving the optical lens 10 to move along the optical axis direction to achieve the optical focusing function.

[0073] Furthermore, the lens focusing part 23 is disposed on the object side of the base 21, and the chip image stabilization part 24 is disposed on the image side of the base 21, so that the optical lens 10 is disposed on the light-sensing path of the photosensitive component 30. The base 21 remains stationary, and when the focusing movable part 231 is driven to move relative to the base 21, the focusing movable part 231 can drive the optical lens 10 to move relative to the photosensitive component 30 in the direction along the optical axis, so as to realize the optical focusing function of the camera module 1.

[0074] In one embodiment of this application, a focusing movable part 231 is disposed on the object side of the base 21. The focusing movable part 231 has a peripheral side located between the object side and the image side of the focusing movable part 231. The peripheral side of the focusing movable part 231 includes a first side 101, a second side 102, a third side 103, and a fourth side 104 arranged sequentially in a clockwise direction. The focusing movable part 231 includes a focusing carrier 2311. A receiving space is formed between the base 21 and the housing 22. The focusing carrier 2311 is housed in the receiving space and can move relative to the housing 22 and the base 21. The focusing carrier 2311 has a mounting cavity 23111 in its middle. The optical lens 10 is disposed in the mounting cavity 23111 so that the optical lens 10 can move with the movement of the focusing carrier 2311. Furthermore, there is a certain gap between the focusing carrier 2311 and the outer shell 22 and the base 21, so that the focusing carrier 2311 will not interfere with the movement of the outer shell 22 and the base 21.

[0075] Furthermore, the focusing carrier 2311 further includes anti-collision protrusions 23112, which are respectively disposed on the object side end and the image side end of the focusing carrier 2311, so that the focusing carrier 2311 will not directly impact the base 21 and the housing 22 when it moves along the optical axis, thereby preventing the optical lens 10 disposed on the focusing carrier 2311 from being damaged due to impact.

[0076] The focusing carrier 2311 further includes a focusing coil 2322 mounting part 23113, which is located on one side wall of the focusing carrier 2311 and is disposed opposite to the focusing magnet 2321 mounting part 214.

[0077] In one embodiment of this application, a focusing drive unit 232 is disposed between a focusing movable part 231 and a base 21, and the focusing drive unit 232 is capable of driving the focusing movable part 231 to move relative to the base 21 along the optical axis. The focusing drive unit 232 includes a focusing coil 2322 and a focusing magnet 2321, which are disposed opposite to each other. The focusing magnet 2321 is disposed on the base 21, and the focusing coil 2322 is disposed on the focusing movable part 231. In a specific example of this application, the focusing coil 2322 is disposed on the focusing coil 2322 mounting portion 23113 of the focusing carrier 2311, and the focusing magnet 2321 is disposed on the focusing magnet 2321 mounting portion 214 of the base 21, such that the focusing magnet 2321 and the focusing coil 2322 are disposed opposite to each other along the optical axis. When the focusing coil 2322 is energized, the magnetic field generated interacts with the magnetic field of the focusing magnet 2321, and the resulting driving force drives the focusing carrier 2311 to move along the optical axis.

[0078] Specifically, such as Figure 4 and Figure 6 As shown, in one embodiment of this application, the number of focusing coil 2322 and focusing magnet 2321 is one. The focusing coil 2322 is a single-sided coil, which is disposed on one side wall of the focusing carrier 2311. The focusing magnet 2321 is disposed on the same side wall of the base 21. For example, the focusing coil 2322 is disposed on the focusing coil 2322 mounting portion 23113 on the first side 101 of the focusing carrier 2311, and the focusing magnet 2321 is disposed on the focusing magnet 2321 mounting portion 214 on the first side 101 of the base 21. That is, the focusing drive portion 232 is disposed only on one side of the drive device 20, such as the first side 101, the second side 102, the third side 103, or the fourth side 104, so as to reduce the lateral dimension of the drive device 20.

[0079] More specifically, in one embodiment of this application, the focusing magnet 2321 extends along the optical axis to the chip image stabilization portion 24, that is, the focusing magnet 2321 passes through the lens focusing portion 23 and the chip image stabilization portion 24 along the optical axis, and the focusing magnet 2321 can participate in the operation when realizing optical focusing and optical image stabilization functions.

[0080] In one embodiment of this application, a focusing conductive part 233 is disposed between the focusing carrier 2311 and the base 21, and is coupled to both the focusing carrier 2311 and the base 21. The focusing conductive part 233 includes a focusing circuit board 2331 and a conductive terminal 2332. The base 21 further includes a conductive element (not shown). The focusing circuit board 2331 is electrically connected to the focusing coil 2322 and the conductive element of the base 21. The conductive terminal 2332 is electrically connected to the conductive element of the base 21 and the circuit board assembly 32 of the photosensitive assembly 30, so as to realize the circuit conduction of the lens focusing part 23. It is understood that the conductive element of the base 21 can be disposed on the surface of the base 21, or it can be integrally formed on the base 21 by an insert injection molding process. This application does not limit this.

[0081] The focusing circuit board 2331 is disposed between the bottom surface of the focusing carrier 2311 and the top surface of the base 21. Alternatively, the focusing circuit board 2331 can be disposed on the top surface of the focusing carrier 2311 and the top surface of the base 21, so as to achieve circuit connection between the focusing coil 2322 and the conductive elements of the base 21 through the focusing circuit board 2331. The conductive terminal 2332 is disposed on the side of the base 21 and extends downward to the photosensitive assembly 30, so as to achieve circuit connection between the conductive elements of the base 21 and the circuit board assembly 32 of the photosensitive assembly 30 through the conductive terminal 2332.

[0082] Specifically, the focusing circuit board 2331 includes a connecting end 23313, an extension end 23311, and a bending end 23312. There are two connecting ends 23313, which are electrically connected to the focusing coil 2322 and the conductive elements of the base 21, respectively. There are at least two extension ends 23311, which extend integrally from the two connecting ends 23313 along a horizontal direction. For example, in a specific example of this application, the extension ends 23311 can extend in the X-axis direction, or in the Y-axis direction, or both, so that when the focusing carrier 2311 moves along the optical axis, the focusing circuit board 2331 can also undergo a certain deformation. There is at least one bending end 23312, which is disposed between at least two extension ends 23311, so that the focusing circuit board 2331 can undergo greater deformation. Furthermore, the deformation of the focusing circuit board 2331 is greater than the travel distance of the focusing carrier 2311.

[0083] It is understood that the focusing circuit board 2331 is disposed on the adjacent side of the focusing coil 2322 on the focusing carrier 2311 to facilitate the electrical connection between the focusing circuit board 2331 and the focusing coil 2322. For example, there are two focusing circuit boards 2331, which are disposed on opposite sides of the focusing carrier 2311. That is, when the focusing coil 2322 is disposed on the first side 101 of the focusing carrier 2311, the two focusing circuit boards 2331 are disposed on the second side 102 and the fourth side 104 adjacent to the first side 101, respectively. The focusing circuit board 2331 can be implemented as a flexible printed circuit (FPC) or a rigid-flex board.

[0084] like Figures 3 to 6As shown, in one embodiment of this application, the lens focusing portion 23 further includes a focusing holding portion 234, so that the focusing carrier 2311 is always held within the base 21 during movement. Further, the focusing holding portion 234 includes a focusing magnetic member 2341 and a focusing support member 2342. The focusing magnetic member 2341 is disposed on one side of the periphery of the focusing movable portion 231, and the focusing support member 2342 is disposed on one side of the periphery of the focusing movable portion 231, wherein the focusing support member 2342 and the focusing magnetic member 2341 are disposed on opposite sides of the focusing movable portion 231. In a specific example of this application, a focusing magnetic absorbing member 2341 is disposed on the focusing movable part 231. The focusing magnetic absorbing member 2341 and the focusing magnet 2321 are disposed opposite each other, and a magnetic attraction force is generated between the focusing magnetic absorbing member 2341 and the focusing magnet 2321 in the horizontal direction, so that the focusing magnetic absorbing member 2341 and the focusing magnet 2321 attract each other in the horizontal direction. On the one hand, this ensures that the focusing carrier 2311 is always held within the base 21, and on the other hand, the magnetic attraction force allows the focusing carrier 2311 to return to its initial position after movement.

[0085] In one embodiment of this application, a focusing magnetic attraction component 2341 is disposed on the side wall of the focusing carrier 2311, and the focusing magnetic attraction component 2341 is disposed on the same side as the focusing magnet 2321, so that the focusing magnetic attraction component 2341 and the focusing magnet 2321 can be disposed opposite to each other. For example, the focusing magnet 2321 is disposed on the first side 101, and the focusing magnetic attraction component 2341 is also disposed on the first side 101. The direction of the magnetic attraction force generated between the focusing magnetic attraction component 2341 and the focusing magnet 2321 is perpendicular to the optical axis direction. The magnetic attraction force keeps the focusing carrier 2311 on one side of the base 21. In another specific example of this application, the angle between the direction of the magnetic attraction force generated between the focusing magnetic attraction component 2341 and the focusing magnet 2321 and the optical axis direction is an acute angle. The component of the magnetic attraction force perpendicular to the optical axis direction keeps the focusing carrier 2311 on one side of the base 21.

[0086] Furthermore, the focusing magnetic member 2341 and the focusing drive unit 232 are disposed on the same side of the lens focusing portion 23. For example, both the focusing magnetic member 2341 and the focusing drive unit 232 are disposed on the first side 101 of the lens focusing portion 23. Specifically, the focusing coil 2322 has a side close to the focusing magnet 2321 and a side away from the focusing magnet 2321. The focusing magnetic member 2341 is disposed on the side of the focusing coil 2322 away from the focusing magnet 2321, and the focusing magnetic member 2341 is disposed opposite to the focusing magnet 2321. In a specific example of this application, the focusing magnetic member 2341 can be integrally formed onto the focusing carrier 2311 by an insert injection molding process. Of course, in another specific example of this application, the focusing magnetic member 2341 can also be fixed to the focusing carrier 2311 by means of bonding, welding, etc., and this application does not limit this.

[0087] In this application, the focusing magnetic attraction component 2341 can be a component that can be attracted by the focusing magnet 2321, such as a metal such as an iron sheet, or a magnet with the opposite magnetic pole to the focusing magnet 2321.

[0088] Continue as Figures 3 to 6 As shown, in one embodiment of this application, a focusing support member 2342 is disposed on one side of the periphery of the focusing movable part 231. The focusing support member 2342 is disposed between the focusing carrier 2311 and the base 21. The focusing carrier 2311 is always supported on the base 21 under the action of the focusing support member 2342. The focusing support member 2342 is clamped between the focusing movable part 231 and the base 21 under the action of the focusing magnetic suction member 2341. The focusing support member 2342 includes a first ball bearing mounting part 23421, a second ball bearing mounting part 23422, and a focusing ball 23423 clamped between the first ball bearing mounting part 23421 and the second ball bearing mounting part 23422. The first ball bearing mounting part 23421 is disposed on one side wall of the focusing carrier 2311, and the second ball bearing mounting part 23422 is disposed on one side wall of the base 21. The first ball bearing mounting part 23421 and the second ball bearing mounting part 23422 are disposed on the same side of the lens focusing part 23. The focusing ball 23423 is clamped between the first ball bearing mounting part 23421 and the second ball bearing mounting part 23422 to improve the stability of the focusing base 21 during optical focusing and improve the image quality.

[0089] Specifically, the first ball bearing mounting part 23421 is a track along the Z-axis, and the second ball bearing mounting part 23422 is a track along the Z-axis. Since the focusing ball 23423 is disposed within the track along the Z-axis, the movement trajectory of the focusing ball 23423 is restricted within the track along the Z-axis. The focusing ball 23423 can move within the track to provide support for the movement of the focusing carrier 2311. Two focusing balls 23423 are respectively disposed in the first ball bearing mounting part 23421 and the second ball bearing mounting part 23422 to meet the travel requirements of the focusing carrier 2311. Furthermore, a baffle is disposed in the second ball bearing mounting part 23422, dividing the second ball bearing mounting part 23422 into two mounting areas. The two focusing balls 23423 are respectively housed in the two mounting areas to prevent the two focusing balls 23423 from colliding during movement and causing the focusing carrier 2311 to tilt.

[0090] More specifically, the number of focusing support components 2342 is two, that is, there are two first ball bearing mounting portions 23421 and two second ball bearing mounting portions 23422. The two first ball bearing mounting portions 23421 and the two second ball bearing mounting portions 23422 are respectively disposed on the second side 102 and the fourth side 104 of the focusing movable portion 231. In a specific example of this application, the two second ball bearing mounting portions 23422 are respectively disposed on two adjacent upward extension portions 211, and the two first ball bearing mounting portions 23421 are disposed opposite to them on the focusing carrier 2311 to provide more stable support for the movement of the focusing carrier 2311. For example, in a specific example of this application, two second ball bearing mounting portions 23422 are respectively disposed on the third upward extension portion 2113 and the fourth upward extension portion 2114 located on the second side 102 and the fourth side 104, and two first ball bearing mounting portions 23421 are respectively disposed on the sidewalls of the focusing carrier 2311 located on the second side 102 and the fourth side 104, and the two second ball bearing mounting portions 23422 are disposed opposite to the two first ball bearing mounting portions 23421.

[0091] In one embodiment of this application, the focusing support member 2342 and the focusing drive unit 232 are located on opposite sides of the lens focusing portion 23. For example, in a specific example of this application, the focusing drive unit 232 is disposed on the first side 101 of the lens focusing portion 23, and the focusing support member 2342 is disposed on the second side 102 and the fourth side 104 of the lens focusing portion 23. This is because in this application, the focusing drive unit 232 is only disposed on one side of the lens focusing portion 23. When the focusing drive unit 232 drives the focusing carrier 2311 to move, the focusing carrier 2311 and the optical lens 10 will tilt. To avoid this problem, the focusing support member 2342 is disposed on the opposite side of the focusing drive unit 232. The focusing support member 2342 provides support for the focusing carrier 2311, thereby enabling the focusing carrier 2311 and the optical lens 10 to move stably.

[0092] Furthermore, the first ball bearing mounting portion 23421 and the second ball bearing mounting portion 23422 have a certain height difference. During the movement of the first ball bearing mounting portion 23421 relative to the second ball bearing mounting portion 23422 along the optical axis under the drive of the focusing drive portion 232, the focusing ball 23423 remains stationary between the first ball bearing mounting portion 23421 and the second ball bearing mounting portion 23422 without falling off. In a specific example of this application, the height of the second ball bearing mounting portion 23422 is greater than the height of the first ball bearing mounting portion 23421. This not only provides the necessary travel distance for the first ball bearing mounting portion 23421 and the focusing ball 23423, but also ensures that the focusing ball 23423 is always held between the first ball bearing mounting portion 23421 and the second ball bearing mounting portion 23422 during its movement, preventing it from falling off.

[0093] In one embodiment of this application, the focusing support member 2342 and the focusing magnetic member 2341 are disposed on opposite sides of the lens focusing portion 23, so that the focusing support member 2342 is clamped between the focusing carrier 2311 and the base 21 by the force between the focusing magnetic member 2341 and the focusing magnet 2321. For example, the focusing magnetic member 2341 is disposed on the first side 101 of the focusing movable portion 231, and the focusing support member 2342 is disposed on the second side 102 and the fourth side 104 of the focusing movable portion 231. The focusing magnetic member 2341 and the focusing drive portion 232 are disposed on the same side of the periphery of the focusing movable portion 231, and the focusing support member 2342 and the focusing drive portion 232 are disposed on opposite sides of the periphery of the focusing movable portion 231.

[0094] The first ball bearing mounting portion 23421 has an opening facing the focusing magnetic member 2341, and the second ball bearing mounting portion 23422 has an opening facing away from the focusing magnetic member 2341. A horizontal magnetic attraction force is generated between the focusing magnetic member 2341 and the focusing magnet 2321. Under the action of this magnetic attraction force, the focusing ball 23423 is clamped between the openings of the first ball bearing mounting portion 23421 and the second ball bearing mounting portion 23422. Alternatively, the first ball bearing mounting portion 23421 on the focusing carrier 2311 is located outside the second ball bearing mounting portion 23422 on the base 21; that is, the distance from the first ball bearing mounting portion 23421 to the optical axis is less than the distance from the second ball bearing mounting portion 23422 to the optical axis. Of course, the distance from the first ball bearing mounting part 23421 to the focusing magnetic member 2341 is greater than the distance from the second ball bearing mounting part 23422 to the focusing magnetic member 2341.

[0095] The first ball bearing mounting part 23421 has an opening facing the common magnet, and the second ball bearing mounting part 23422 has an opening facing away from the common magnet. The focusing ball bearing 23423 is clamped between the opening of the first ball bearing mounting part 23421 and the opening of the second ball bearing mounting part 23422 under the action of the focusing magnetic attraction member 2341.

[0096] like Figure 6 As shown, in one embodiment of this application, the lens focusing section 23 further includes a focusing sensing unit 235. The focusing sensing unit 235 includes a focusing sensing element 2351 and a focusing sensing magnet 2352, which are disposed opposite to each other. The focusing sensing element 2351 is disposed in one of the focusing carrier 2311 and the base 21, and the focusing sensing magnet 2352 is disposed in the other of the focusing carrier 2311 and the base 21. When the focusing carrier 2311 moves, the relative position of the focusing sensing element 2351 and the focusing sensing magnet 2352 changes. Based on the strength of the magnetic field of the focusing sensing magnet 2352 sensed by the focusing sensing element 2351, the position of the focusing carrier 2311 can be determined, and the current of the focusing coil 2322 can be adjusted so that the focusing carrier 2311 moves to the desired position. In this application, the focusing sensing element 2351 can be a Hall element, a driver IC, or a TMR.

[0097] In a specific example of this application, the focus sensing element 2351 is disposed on the base 21, the focus sensing magnet 2352 is disposed on the focus carrier 2311, the focus sensing element 2351 is electrically connected to the conductive element of the base 21, and is electrically connected to the circuit board assembly 32 of the photosensitive assembly 30 through the conductive terminal 2332, so as to realize the circuit conduction of the focus sensing element 2351.

[0098] Furthermore, the focus sensing unit 235 and the focus driving unit 232 are disposed on opposite sides of the lens focusing portion 23. For example, the focus sensing unit 235 is disposed on the third side 103 of the lens focusing portion 23, and the focus driving unit 232 is disposed on the first side 101 of the lens focusing portion 23 opposite to the third side 103.

[0099] In a specific example of this application, two focusing support components 2342 are respectively disposed on the left and right sides of the focusing sensing part 235, which on the one hand provides stable support for the focusing carrier 2311, and on the other hand makes the structure of the lens focusing part 23 more compact.

[0100] In one specific example of this application, the focusing magnet 2321 and the focusing sensing magnet 2352 are arranged on opposite sides to avoid magnetic interference between them. For example, the focusing magnet 2321 and the focusing sensing magnet 2352 can be arranged on opposite sides of the focusing portion 23 of the lens, or they can be arranged on adjacent sides of the focusing portion 23 of the lens. This application does not impose any restrictions on this.

[0101] For example, 8 to Figure 10B As shown, in one embodiment of this application, the chip stabilization section 24 includes a stabilization movable section 241, a stabilization driving section 242, a stabilization conductive section 243, and a stabilization holding section 244. The photosensitive chip 31 is directly or indirectly fixed to the stabilization movable section 241. The stabilization conductive section 243 provides the driving power for the chip stabilization section. The stabilization driving section 242 drives the stabilization movable section 241 to move relative to the base 21, thereby causing the photosensitive component 30 to move along a direction perpendicular to the optical axis, thus realizing the chip stabilization function.

[0102] like Figures 7 to 11A As shown, the lens focusing part 23 is disposed on the object side of the base 21, and the chip-based image stabilization part 24 is disposed on the image side of the base 21, so that the optical lens 10 is positioned on the light-sensing path of the photosensitive component 30. The base 21 remains stationary. When the chip-based image stabilization part 24 is driven to move relative to the base 21, the image stabilization movable part 241 can drive the photosensitive chip 31 to move relative to the base 21 in a direction perpendicular to the optical axis, thereby realizing the chip-based image stabilization function of the camera module 1.

[0103] The image stabilization movable part 241 includes an image stabilization movable carrier 2411. The image stabilization movable carrier 2411 is a hollow square ring with a through hole in the middle, which forms a light window to allow light passing through the optical lens 10 to enter the photosensitive assembly 30.

[0104] The image-stabilizing movable carrier 2411 is located below the base 21 and is movably connected to the base 21, allowing it to move relative to the base 21 along the direction perpendicular to the optical axis. The outer shell 22 is fixedly connected to the base 21, and both the outer shell 22 and the base 21 are stators. A receiving space is formed between the outer shell 22 and the base 21, within which the image-stabilizing movable carrier 2411 is housed and can move relative to the outer shell 22 and the base 21. A certain gap exists between the image-stabilizing movable carrier 2411 and the outer shell 22 and the base 21 to prevent interference when the image-stabilizing movable carrier 2411 moves relative to the outer shell 22 and the base 21.

[0105] In some embodiments, such as Figure 11A As shown, the outer casing 22 includes a main casing 221 and a base plate 222. The main casing 221 includes an annular sidewall 2211 and a top 2212. The top 2212 of the main casing 221 has a through hole for accommodating the optical lens 10. The top 2212 extends inward from the top of the annular sidewall 2211. The base plate 222 is an annular thin sheet and is disposed at the bottom end of the annular sidewall 2211. The base plate 222 can be a structural component independent of the main casing 221, fixed to the main casing 221. The base plate 222 is disposed below the image stabilization movable carrier 2411 and has a certain gap with the image stabilization movable carrier 2411. The main casing 221, the top 2212, the base 21, and the base plate 222 constitute an accommodating space, including an upper accommodating space and a lower accommodating space. The upper accommodating space is used to accommodate the lens focusing part 23, that is, the focusing carrier 2311 is disposed in the upper accommodating space and can move relative to the housing 22 and the base 21 along the optical axis; the lower accommodating space is used to accommodate the chip image stabilization part 24, that is, the image stabilization movable carrier 2411 is disposed in the lower accommodating space and can move relative to the housing 22 and the base 21 in a direction perpendicular to the optical axis. The housing base plate 222 is provided to hold the chip image stabilization part 24 in the lower accommodating space to prevent the chip image stabilization part 24 from falling off during the movement of the drive device 20.

[0106] The image stabilization movable carrier 2411 is fixed to the photosensitive component 30. In some embodiments, the outer edge of the lower surface of the image stabilization movable carrier 2411 extends downward to form an annular support arm, which is fixed to the circuit board of the photosensitive chip 31. In some embodiments, the through-hole of the image stabilization movable carrier 2411 can be used to accommodate a portion of the photosensitive component 30.

[0107] In one embodiment of this application, such as Figures 8 to 10BAs shown, the image stabilization drive unit 242 is disposed between the image stabilization movable part 241 and the base 21. The image stabilization movable part 241 can be driven to move relative to the base 21 in a direction perpendicular to the optical axis. The image stabilization drive unit 242 includes a plurality of image stabilization coils 2421 and a plurality of image stabilization magnets 2422, which are arranged opposite to each other. Multiple anti-shake magnets 2422 are disposed on a base 21, which has an anti-shake magnet mounting part. Multiple anti-shake magnets 2422 are disposed on the anti-shake magnet mounting part of the base 21. Multiple anti-shake coils 2421 are disposed on an anti-shake movable carrier 2411. The multiple anti-shake magnets 2422 and the multiple anti-shake coils 2421 are disposed opposite to each other. When the multiple anti-shake coils 2421 are energized, they generate a magnetic field force with the multiple anti-shake magnets 2422 to provide the driving force for optical image stabilization, so that the anti-shake movable carrier 2411 moves relative to the base 21 in a direction perpendicular to the optical axis, thereby achieving image stabilization.

[0108] In a specific example of this application, the anti-shake magnet mounting part of the base 21 is disposed on the lower surface of the bottom lateral extension 213. There may be four anti-shake magnets 2422, which are disposed on the four sides and are arranged opposite to the multiple anti-shake coils 2421 to provide anti-shake driving force for the anti-shake movable carrier 2411.

[0109] Multiple anti-shake coils 2421 are disposed on an anti-shake circuit board 2412, and the multiple anti-shake coils 2421 are electrically connected to the anti-shake circuit board 2412. The multiple anti-shake coils 2421 can be planar ring coils, the number of which corresponds to the number of multiple anti-shake magnets 2422, and they are arranged in a one-to-one correspondence. They are disposed below the multiple anti-shake magnets 2422, such that the multiple anti-shake coils 2421 are located within the magnetic field of the multiple anti-shake magnets 2422. The multiple anti-shake coils 2421 and the anti-shake circuit board 2412 are disposed on an anti-shake movable carrier 2411. In some embodiments, the multiple anti-shake coils 2421 are embedded within the anti-shake circuit board 2412, forming a planar coil.

[0110] In some embodiments, at least one of the plurality of image stabilizing magnets 2422 extends toward the object side to form a shared magnet with the focusing magnet 2321. In a specific example of this application, one of the image stabilizing magnets 2422 extends upward and also serves as the focusing magnet 2321, forming a shared magnet. The shared magnet passes through the lens focusing portion 23 and the chip image stabilizing portion 24 along the optical axis, and can participate in both optical focusing and optical image stabilization functions. The focusing coil 2322 and the shared magnet are arranged opposite each other in the horizontal direction, and the image stabilizing coil 2421 and the shared magnet are arranged opposite each other in the height direction. The shared magnet interacts with both the focusing coil 2322 and the image stabilizing coil 2421, driving the focusing carrier 2311 and the image stabilizing movable carrier 2411 to move relative to the base 21.

[0111] In one embodiment of this application, such as Figure 10B As shown, a common magnet is disposed near the focusing coil 2322, opposite to the focusing coil 2322. The common magnet includes upper and lower magnetic poles along the optical axis, with the sides of the upper and lower magnetic poles corresponding to the focusing coil 2322, providing the magnetic field required for the focusing carrier to move along the optical axis, driving the focusing carrier 2311 to move up and down along the optical axis to achieve optical focusing. The image stabilization coil 2421 is disposed on the image stabilization movable carrier 2411, opposite to the common magnet and other image stabilization magnets. The common magnet includes inner and outer magnetic poles along the direction perpendicular to the optical axis, and the other image stabilization magnets also include inner and outer magnetic poles along the direction perpendicular to the optical axis. The inner and outer magnetic poles of the common magnet and the inner and outer magnets of the other image stabilization magnets provide the magnetic field required for the image stabilization movable carrier 2411 to move along the direction perpendicular to the optical axis, corresponding to the image stabilization coil 2421, and driving the image stabilization movable carrier 2411 to move along the direction perpendicular to the optical axis to achieve optical image stabilization.

[0112] Among them, such as Figures 9 to 10B The base 21 has a horizontally extending portion 213 extending horizontally in a horizontally hollow ring shape. It has four corners. At one end, two corners near the focusing coil 2322 extend from the bottom horizontally extending portion 213 along the optical axis towards the object side to form a first upward extending portion 2111 and a second upward extending portion 2112. At the other end, two corners away from the focusing coil 2322 extend from the bottom horizontally extending portion 213 along the optical axis towards the object side to form a third upward extending portion 2113 and a fourth upward extending portion 2114. A top horizontally extending portion 212 extends horizontally from the top of the first upward extending portion 2111 and the second upward extending portion 2112, connecting the first upward extending portion 2111 and the second upward extending portion 2112. A top lateral extension 212 is disposed on the first side 101 of the base 21, and a bottom lateral extension 213 is disposed on the third side 103 opposite to the first side 101. The top lateral extension 212 is higher than the bottom lateral extension 213. The top lateral extension 212, together with the first upward extension 2111 and the second upward extension 2112, constitute a mounting position 214 for a pair of focusing magnets 2321, used to accommodate and mount the focusing magnets 2321, such that the focusing magnets 2321 are positioned opposite to the focusing coil 2322.

[0113] In some embodiments, a common magnet is disposed at the mounting position of the focusing magnet 2321, that is, the mounting position of the focusing magnet is also the mounting position of the common magnet. The common magnet has a cuboid structure, defined as height along the optical axis, length along the longer side in the horizontal direction, and width along the shorter side. The upper and lower magnetic poles are located on the side surface formed by the length and height, with the lower magnetic pole end face being the lower side surface formed by the length and width. The first upward extension 2111 and the second upward extension 2112 have opposing inner surfaces. The side surface formed by the width and height of the common magnet is fixedly connected to the inner surfaces of the first upward extension 2111 and the second upward extension 2112. The lower surface of the top horizontal extension 212 is fixedly connected to the upper surface formed by the length and width of the common magnet.

[0114] In some embodiments, the bottom lateral extension 213 is located on three sides of the base 21, and one side of the base 21 does not have the bottom lateral extension 213, that is, the base 21 has an opening facing the side where the bottom lateral extension 213 is not provided. The top lateral extension 212 is provided on the side where the bottom lateral extension 213 is not provided, that is, the top lateral extension 212 is provided on the same side as the opening of the base 21. In other words, the top lateral extension 212 and the bottom lateral extension 213 are located on opposite sides. A common magnet is provided on the side where the bottom lateral extension 213 is not provided, that is, the common magnet is provided on the side where the opening of the base 21 is located, and the common magnet extends downward from the top lateral extension 212 and is fixedly installed in the mounting position. Other anti-shake magnets 2422, except for the common magnet, are respectively disposed on the bottom lateral extensions 213 on three sides of the base 21. The lower surface of the bottom lateral extensions 213 has anti-shake magnet mounting positions. Other anti-shake magnets 2422, except for the common magnet, are disposed on the anti-shake magnet mounting positions and together with the common magnet constitute the magnets required for anti-shake, providing an optical anti-shake magnetic field. They are disposed opposite to the anti-shake coil 2421. When the anti-shake coil 2421 is energized, it drives the anti-shake movable carrier 2411 to move in a direction perpendicular to the optical axis.

[0115] Furthermore, such as Figure 9 and Figure 10BAs shown, the downward extension height of the shared magnet is greater than the height of the first upward extension 2111 and the second upward extension 2112. That is, the lower surface of the shared magnet is lower than the lower surfaces of the first upward extension 2111 and the second upward extension 2112, so that the lower surface of the shared magnet is directly exposed. The inner and outer magnetic poles of the shared magnet are arranged close to the image stabilization coil 2421 to provide a sufficient image stabilization magnetic field. On the other hand, the shared magnet extends downward from the top horizontal extension 212 and is arranged close to the focusing coil 2322. The side dimension formed in the length-height direction covers the focusing coil 2322. That is, the upper and lower magnetic poles provide a sufficient optical focusing magnetic field to meet the requirement that the single focusing magnet 2321 coil provides a sufficiently large focusing driving force for the focusing carrier 2311, so as to realize the requirements of the optical lens 10 moving up and down along the optical axis and the movement stroke.

[0116] Furthermore, the distance in the height direction between the shared magnet and its corresponding anti-shake coil 2421 is the same as the distance in the height direction between the other anti-shake magnets 2422 and their corresponding anti-shake coils 2421. For structural miniaturization, the other anti-shake magnets 2422, except for the shared magnet, are flat cuboids, meaning they are smaller in the height direction and cover the anti-shake coils 2421 in the length and width directions, providing the magnetic field force required for anti-shake. This reduces the height dimension of the base 21, achieving a compact and miniaturized module structure.

[0117] In one embodiment of this application, the plurality of anti-shake magnets 2422 also include other magnets besides the common magnet, wherein the height of the common magnet is higher than the height of the other magnets.

[0118] In one embodiment of this application, the plurality of anti-shake magnets 2422 also include other magnets besides the common magnet, wherein the projected area of ​​the common magnet along the height direction is smaller than the projected area of ​​the other magnets along the height direction.

[0119] The shared magnet is located on the side without the bottom lateral extension 213, occupying a certain height and thickness. Other components of the lens focusing section 23 are located on the remaining three sides of the base 21, allowing for a reasonable arrangement of the components. In some embodiments, the focusing conductive part 233 is located between the focusing carrier 2311 and the base 21, coupled to both. The focusing conductive part 233 is located on the remaining three sides of the base 21 without the shared magnet to avoid interference and ensure a reasonable circuit layout.

[0120] like Figure 4As shown, the focusing conductive part 233 includes a focusing circuit board 2331 and a conductive terminal 2332. The focusing circuit board 2331 is electrically connected to the focusing coil 2322 and the conductive element of the base 21. The conductive terminal 2332 is electrically connected to the conductive element of the base 21 and the circuit board assembly 32 of the photosensitive assembly 30, so as to realize the circuit conduction of the lens focusing part 23.

[0121] The focusing circuit board 2331 is disposed between the bottom surface of the focusing carrier 2311 and the top surface of the base 21. Alternatively, the focusing circuit board 2331 may be disposed on the top surface of the focusing carrier 2311 and the top surface of the base 21, so as to achieve circuit connection between the focusing coil 2322 and the conductive elements of the base 21 through the focusing circuit board 2331. The conductive terminal 2332 is disposed on the side of the base 21 without a common magnet, and the conductive terminal 2332 extends downward to the photosensitive assembly 30, so as to achieve circuit connection between the conductive elements of the base 21 and the circuit board assembly 32 of the photosensitive assembly 30 through the conductive terminal 2332.

[0122] It is understood that the focusing circuit board 2331 is disposed on the side adjacent to the focusing coil 2322 on the focusing carrier 2311, that is, the focusing circuit board is disposed on the side of the base 21 adjacent to the common magnet, to facilitate the electrical connection between the focusing circuit board 2331 and the focusing coil 2322. For example, there are two focusing circuit boards 2331, which are disposed on opposite sides of the focusing carrier 2311. That is, when the focusing coil 2322 is disposed on the first side 101 of the focusing carrier 2311, the two focusing circuit boards 2331 are disposed on the second side 102 and the fourth side 104 adjacent to the first side 101, respectively. The focusing circuit board 2331 can be implemented as a flexible printed circuit (FPC) or a rigid-flex board.

[0123] In one embodiment of this application, the lens focusing portion 23 further includes a focusing holding portion 234, so that the focusing carrier 2311 is always kept within the base 21 during movement. Further, the focusing holding portion 234 includes a focusing magnetic member 2341 and a focusing support member 2342, wherein the focusing magnetic member 2341 is disposed on the focusing carrier 2311, and is disposed opposite to a common magnet, so that a horizontal magnetic attraction force is generated between the focusing magnetic member 2341 and the common magnet. This ensures that the focusing carrier 2311 is always kept within the base 21, and that the magnetic attraction force allows the focusing carrier 2311 to return to its initial position after movement.

[0124] In one embodiment of this application, a focusing support member 2342 is disposed between a focusing carrier 2311 and a base 21, and the focusing carrier 2311 is always supported on the base 21 by the focusing support member 2342. The focusing support member 2342 is disposed on one side of the periphery of the focusing movable part 231, wherein the focusing support member 2342 and the common magnet are located on opposite sides of the focusing movable part 231. The focusing support member 2342 includes a first ball bearing mounting part 23421, a second ball bearing mounting part 23422, and a focusing ball 23423 disposed between the first ball bearing mounting part 23421 and the second ball bearing mounting part 23422. The first ball bearing mounting part 23421 is disposed on one side wall of the focusing carrier 2311, and the second ball bearing mounting part 23422 is disposed on one side wall of the base 21. The first ball bearing mounting part 23421 and the second ball bearing mounting part 23422 are disposed on the same side of the focusing drive part 232. The focusing ball 23423 is clamped between the first ball bearing mounting part 23421 and the second ball bearing mounting part 23422 to improve the stability of the focusing base 21 during optical focusing and improve the imaging quality.

[0125] In one embodiment of this application, such as Figures 4 to 6 As shown, the common magnet and the focusing magnetic suction member 2341 are located on the same side of the focusing movable part 231, while the focusing magnetic suction member 2341 and the focusing support member 2342 are located on opposite sides of the focusing movable part 231. This allows the focusing support member 2342 to be clamped between the focusing movable part 231 and the base 21 under the magnetic attraction of the common magnet and the focusing magnetic suction member 2341.

[0126] In one embodiment of this application, the focusing support member 2342 and the focusing drive unit 232 are disposed on opposite sides of the lens focusing portion 23. A common magnet is disposed on the side without the bottom lateral extension 213, and the focusing support member 2342 is disposed on the side of the base 21 without the common magnet. Further, the focusing support member 2342 is disposed on the side opposite to the common magnet; that is, the focusing drive unit 232 is disposed on the first side 101 of the lens focusing portion 23, and the focusing support member 2342 is disposed on the second side 102 and the fourth side 104 of the lens focusing portion 23. This is because the focusing part 23 of the lens in this application is provided with a focusing drive part 232 on only one side. When the focusing drive part 232 drives the focusing carrier 2311 to move, the focusing carrier 2311 and the optical lens 10 will tilt. In order to avoid this problem, the focusing support member 2342 is provided on the opposite side of the focusing drive part 232. The focusing support member 2342 provides support for the focusing carrier 2311, thereby enabling the focusing carrier 2311 and the optical lens 10 to move stably.

[0127] In some embodiments, the first ball bearing mounting portion 23421 has an opening facing the common magnet, and the second ball bearing mounting portion 23422 has an opening facing away from the common magnet. A horizontal magnetic attraction force is generated between the focusing magnetic member 2341 and the focusing magnet 2321. Under the action of this magnetic attraction force, the focusing ball 23423 is clamped between the opening of the first ball bearing mounting portion 23421 and the opening of the second ball bearing mounting portion 23422. Alternatively, the first ball bearing mounting portion 23421 on the focusing carrier 2311 is located outside the second ball bearing mounting portion 23422 on the base 21, meaning the distance from the first ball bearing mounting portion 23421 to the optical axis is less than the distance from the second ball bearing mounting portion 23422 to the optical axis.

[0128] In one embodiment of this application, such as Figure 6 As shown, the lens focusing section 23 further includes a focusing sensing unit 235, which includes a focusing sensing element 2351 and a focusing sensing magnet 2352. The focusing sensing element 2351 and the focusing sensing magnet 2352 are arranged opposite to each other. The focusing sensing element 2351 is disposed in one of the focusing carrier 2311 and the base 21, and the focusing sensing magnet 2352 is disposed in the other of the focusing carrier 2311 and the base 21. When the focusing carrier 2311 moves, the relative position of the focusing sensing element 2351 and the focusing sensing magnet 2352 changes. Based on the strength of the magnetic field of the focusing sensing magnet 2352 sensed by the focusing sensing element 2351, the position of the focusing carrier 2311 can be determined, and the current of the focusing coil 2322 can be adjusted so that the focusing carrier 2311 moves to the desired position. In some embodiments, the focusing sensing magnet 2352 and the common magnet are arranged on opposite sides to avoid magnetic interference between the focusing sensing magnet 2352 and the focusing magnet 2321.

[0129] The image stabilization magnet 2422 is shared with the focusing magnet 2321, meaning that the lens focusing part 23 and the chip-mounted image stabilization part 24 share some magnets. These shared magnets can provide the magnetic field required by the focusing coil 2322 to achieve lens focusing, and also provide the magnetic field required by the image stabilization coil 2421 to achieve chip-mounted image stabilization. This reduces the number of structural components, resulting in a compact structure and smaller optical components, thereby miniaturizing the drive device 20 and the module structure.

[0130] By installing a common magnet on the mounting position formed by the first upward extension 2111, the second upward extension 2112, and the top lateral extension 212, the common magnet passes through the lens focusing part 23 and the chip image stabilization part 24 along the optical axis. While providing a sufficiently large focusing magnetic field, the distance from the image stabilization coil 2421 is also sufficient to provide a sufficient image stabilization magnetic field. This allows the magnet to occupy a certain height and thickness in only one direction, reducing the lateral dimension of the drive device 20. Space is reserved for the setting of other components in other directions. By making full use of the internal structure, the reasonable configuration of the focusing and image stabilization components is achieved.

[0131] In a specific example of this application, such as Figures 8 to 11A As shown, the anti-shake conductive part 243 includes a conductive downward extension and a conductive lateral extension (not shown in the figure). The conductive lateral extension is conductive to the anti-shake coil 2421, and the conductive downward extension is conductive to the circuit board of the photosensitive chip 31. The anti-shake conductive part 243 constitutes part of the anti-shake circuit, connecting the anti-shake circuit board 2412 and the circuit board of the photosensitive chip 31. In some embodiments, the anti-shake conductive part 243 is injection molded by insert and disposed in the anti-shake movable carrier 2411. The conductive lateral extension is partially exposed on the upper surface of the anti-shake movable carrier 2411 and is electrically connected to the anti-shake coil 2421. The conductive downward extension is disposed in the annular support arm of the anti-shake movable carrier 2411, with the lower surface partially exposed for circuit connection with the chip circuit board 321 of the photosensitive chip 31.

[0132] In a specific example of this application, such as Figures 8 to 11A As shown, there is a gap between the anti-shake coil 2421 and the anti-shake magnet 2422, which is supported and held by the anti-shake holding part 244. That is, the anti-shake magnet 2422 and the anti-shake coil 2421 can be supported by the anti-shake holding part 244 and move relative to each other. The anti-shake magnet 2422 is disposed on the base 21, and the anti-shake coil 2421 is disposed on the anti-shake movable carrier 2411. There is a gap between the base 21 and the anti-shake movable carrier 2411. The anti-shake movable carrier 2411 is connected to the base 21 through the anti-shake holding part 244, so that the anti-shake movable carrier 2411 can move horizontally relative to the base 21 along a direction perpendicular to the optical axis. Further, the anti-shake holding part 244 includes an anti-shake magnetic attraction member 2441 and an anti-shake support member 2442. Among them, the anti-shake magnetic attraction component 2441 is set on the anti-shake movable carrier 2411, corresponding to the position of the anti-shake magnet 2422, so that the anti-shake magnetic attraction component 2441 and the anti-shake magnet 2422 generate a magnetic attraction force parallel to the optical axis, so that the anti-shake movable carrier 2411 can return to the initial position after moving.

[0133] In one embodiment of this application, a stabilizing magnetic component 2441 is disposed on a stabilizing movable carrier 2411, corresponding to the position of the stabilizing magnet 2422. The stabilizing magnetic component 2441 can be a component that generates a magnetic attraction with the stabilizing magnet 2422, such as an iron sheet, and attracts the stabilizing magnet 2422. In some embodiments, the stabilizing magnetic component 2441 can be integrally formed onto the stabilizing movable carrier 2411 using an insert injection molding process. Of course, in another specific example of this application, the stabilizing magnetic component 2441 can also be fixed to the stabilizing movable carrier 2411 by means of bonding, welding, or other methods; this application does not impose any limitations on this.

[0134] A stabilization support component 2442 is disposed between the base 21 and the stabilization movable carrier 2411. The stabilization support component is disposed between the lower surface of the base 21 and the upper surface of the stabilization movable carrier 2411. The stabilization support component 2442 includes a ball groove 24421 and stabilization balls 24422. The ball groove 24421 is disposed on the base 21 or the stabilization movable carrier 2411 to accommodate the stabilization balls 24422, which support the stabilization movable carrier 2411 and maintain a certain gap between it and the base 21.

[0135] In one embodiment of this application, such as Figure 7 and Figure 8 As shown, a ball groove 24421 is provided on the stabilizer movable carrier 2411, extending upward from the stabilizer movable carrier 2411. The ball groove 24421 is located outside the stabilizer coil 2421 on the stabilizer movable carrier 2411, and is used to accommodate the stabilizer ball 24422. There can be four ball grooves 24421, symmetrically arranged on the upper surface of the stabilizer movable carrier 2411, or located at the four corners of the upper surface of the stabilizer movable carrier 2411. A boss corresponding to the ball groove 24421 is formed extending downward from the lower surface of the base 21. The stabilizer ball 24422 is disposed within the ball groove 24421 and moves within the ball groove 24421. The anti-shake ball 24422 is housed within the ball groove 24421, with one end of the anti-shake ball 24422 contacting the ball groove 24421 and the other end contacting a boss on the lower surface of the base 21. The height of the ball groove 24421 is less than the diameter of the anti-shake ball 24422, causing a portion of the anti-shake ball 24422 to be exposed within the ball groove 24421. Due to the supporting function of the anti-shake ball 24422, the anti-shake movable carrier 2411 is movably connected to the base 21, maintaining a gap between them. The boss on the base 21 allows the anti-shake ball 24422 to support and maintain the gap between the anti-shake movable carrier 2411 and the base 21 while reducing the size of both the anti-shake ball 24422 and the ball groove 24421. In some embodiments, the ball groove 24421 may also be located on the base 21.

[0136] The magnetic attraction between the anti-shake magnetic component 2441 and the anti-shake magnet 2422 serves two purposes: firstly, it drives the anti-shake movable carrier 2411 to reset; secondly, it keeps the anti-shake ball 24422 in a clamped state, ensuring that the anti-shake ball 24422 is always clamped between the anti-shake movable carrier 2411 and the base 21, thus preventing the anti-shake ball 24422 from falling off.

[0137] In one embodiment of this application, such as Figure 10A As shown, the chip stabilization section 24 also includes a stabilization sensing unit 245. The stabilization sensing unit 245 includes a stabilization position sensing element 2451 and a stabilization position sensing magnet 2452. The stabilization position sensing element 2451 includes an X-direction sensing element and a Y-direction sensing element. The stabilization position sensing element 2451 and the stabilization position sensing magnet 2452 are arranged opposite to each other. The stabilization position sensing element 2451 is disposed on the stabilization movable carrier 2411, and the stabilization position sensing magnet 2452 is disposed on the base 21. When the stabilization movable carrier 2411 moves, the relative position of the stabilization position sensing element 2451 and the stabilization position sensing magnet 2452 changes. Based on the strength of the magnetic field of the stabilization position sensing magnet 2452 sensed by the stabilization position sensing element 2451, the position of the stabilization movable carrier 2411 is determined, and the current of the stabilization coil 2421 is adjusted to move the stabilization movable carrier 2411 to the desired position. In some embodiments, the anti-shake position sensing magnet 2452 is shared with the anti-shake magnet 2422 to reduce structural components. In some embodiments, the anti-shake position sensing element 2451 may be a Hall element, a driver IC, or a TMR.

[0138] Reference Figures 11A to 13The camera module 1 also includes a photosensitive component 30, and the optical lens 10 is disposed on the photosensitive path of the photosensitive component 30. In this way, the photosensitive component 30 can receive the light converged by the optical lens 10 for imaging. In a specific example, the optical lens 10 is fixed to the focusing movable part 231 of the driving device 20, and the photosensitive component 30 is fixed to the image stabilization movable part 241 of the driving device 20, so that the optical lens 10 is held on the photosensitive path of the photosensitive component 30. The lens focusing section 23 of the drive device 20 includes a focusing movable part 231 movably disposed on the object side of the base 21 and a focusing drive part 232 disposed between the focusing movable part 231 and the base 31. The focusing drive part 232 is adapted to drive the focusing movable part 231 to move relative to the base 21. The drive device 20 is adapted to drive the optical lens 10 to move along the optical axis of the optical lens 10. The lens image stabilization section 24 of the drive device 20 includes an image stabilization movable part 241 and an image stabilization drive part 242. The image stabilization movable part 241 is movably disposed on the object side of the base 21 and a focusing drive part 232 disposed between the focusing movable part 231 and the base 31. The image-side of the base 21 is movably disposed. The image stabilization movable part 241 includes an image-stabilized movable carrier 2411. The image stabilization driving part 242 is disposed between the image-stabilized movable carrier 2411 and the base 21. The image stabilization driving part 242 includes an image stabilization magnet 2422 and an image stabilization coil 2421 disposed opposite to each other. The image stabilization magnet 2422 is disposed on the base 21, and the image stabilization coil 2421 is disposed on the image-stabilized movable carrier 2411. The driving device 20 is adapted to drive the photosensitive component 30 to move in a plane perpendicular to the optical axis.

[0139] like Figures 11A to 13 As shown, the photosensitive component 30 includes a circuit board assembly 32 and a photosensitive chip 31 and an electronic component 34 electrically connected to the circuit board assembly 32. The photosensitive chip 31 is used to receive external light collected by the optical lens 10 for imaging and is electrically connected to an external mobile electronic device through the circuit board assembly 32. In one embodiment of this application, the electronic component 34 may be one or more of passive electronic devices such as resistors and capacitors, and active electronic devices such as driver chips and memory chips.

[0140] The photosensitive assembly 30 also includes a filter assembly 33, which includes a filter element 331. The filter element 331 is held on the photosensitive path of the photosensitive chip 31 and is disposed between the optical lens 10 and the photosensitive chip 31. It is used to filter the incident light entering the photosensitive chip 31 and filter out stray light that is not needed for imaging, such as infrared light. In one embodiment of this application, the filter element 331 is fixed to the image stabilization movable carrier 2411 of the driving device 20 and corresponds to at least the photosensitive area of ​​the photosensitive chip 31, so that the filter element 331 moves with the movement of the image stabilization movable carrier 2411; in another embodiment of this application, the filter assembly 33 further includes a filter element bracket 332, to which the filter element 331 is mounted and fixed and corresponds to at least the photosensitive area of ​​the photosensitive chip 31. The filter element bracket 332 has a light-transmitting hole, through which incident light passing through the optical lens 10 enters the photosensitive chip 31. The filter element 331 can be attached upright or upside down to the filter element bracket 332. Further, the filter element bracket 332 is fixed to the circuit board assembly 32, such as... Figure 11A or Figure 12A As shown, by setting the filter element bracket 332, the area size of the filter element 331 can be reduced, thereby reducing the cost of the filter assembly 33. The height of the filter element 331 can be reduced, thereby reducing the risk of collision between the optical lens 10 and the filter element 331 assembly.

[0141] The circuit board assembly 32 includes a chip circuit board 321 and a connection circuit board 322. The chip circuit board 321 is electrically connected to the connection circuit board 322, and the photosensitive chip 31 is electrically connected to the chip circuit board 321, thereby adapting the photosensitive chip 31 to be electrically connected to an external mobile electronic device through the connection circuit board 322. Specifically, the photosensitive chip 31 is fixed to the chip circuit board 321, the filter element bracket 332 is fixed to the chip circuit board 321, and the electronic component 34 is fixed to and electrically connected to the chip circuit board 321. Further, the chip circuit board 321 is fixed to the anti-shake movable carrier 2411 of the anti-shake movable part 241, and the anti-shake conductive part 243 is electrically connected to the chip circuit board 321.

[0142] The connecting circuit board 322 includes an inner circuit board 3221, an outer circuit board 3223, and a flexible conductive mechanism 3222 connecting the inner circuit board 3221 and the outer circuit board 3223. The chip circuit board 321 is fixed to the inner circuit board 3221 and is located above the inner circuit board 3221. In one embodiment of this application, on at least one side of the circuit board assembly 32, the size of the chip circuit board 321 is larger than the size of the inner circuit board 3221, that is, the long side of the chip circuit board 321 is larger than the long side of the inner circuit board 3221 and / or the wide side of the chip circuit board 321 can be larger than the inner circuit board 3221. The wider side dimension of the circuit board 3221, in other words, the area of ​​the chip circuit board 321, can be larger than the area of ​​the inner circuit board 3221. In this application, by adding a chip circuit board 321 fixed to the inner circuit board 3221, the inner circuit board 3221 does not need to be directly fixed to the photosensitive chip 31, electronic component 34, and / or filter element bracket 332. Furthermore, the size of the chip circuit board 321 can be larger than the size of the inner circuit board 3221, thus allowing the inner circuit board 3221 to be designed to be smaller, thereby allowing the connecting circuit board 322 to be designed to be smaller, and further, the size of the camera module 1 to be designed to be smaller. In a specific example of this application, electrical conduction between the chip circuit board 321 and the inner circuit board 3221 is achieved by providing an electrical connection medium such as solder paste between the chip circuit board 321 and the inner circuit board 3221.

[0143] In another embodiment of this application, such as Figure 12A and Figure 12B As shown, the chip circuit board 321 has a through hole, in which the photosensitive chip 31 is housed, thereby reducing the overall height of the photosensitive assembly 30. Specifically, the chip circuit board 321 is fixed to the front side of the inner circuit board 3221. Through the through hole, the chip circuit board 321 and the inner circuit board 3221 form a chip receiving cavity. The photosensitive chip 31 is housed in the receiving cavity and fixed to the inner circuit board 3221. The photosensitive chip 31 is further directly electrically connected to the chip circuit board 321. In other embodiments, the photosensitive chip 31 can also be directly electrically connected to the inner circuit board 3221. In this embodiment, electronic component 34 is fixed and electrically connected to chip circuit board 321, and filter element bracket 332 is fixed to chip circuit board 321. In this way, the size of inner circuit board 3221 can be designed to be smaller. In other embodiments of this application, electronic component 34 can also be fixed to inner circuit board 3221 and accommodated in through hole of chip circuit board 321, or, some electronic components 34 are fixed to inner circuit board 3221 and some electronic components 34 are fixed to chip circuit board 321.

[0144] Continue to refer to Figure 13The flexible conductive mechanism 3222 electrically connects the inner circuit board 3221 and the outer circuit board 3223. The flexible conductive mechanism 3222 is easy to deform. When the inner circuit board 3221 moves relative to the outer circuit board 3223, the resistance experienced by the inner circuit board 3221 is small. Therefore, when the driving device 20 drives the chip circuit board 321, which is fixed with the photosensitive chip 31, to move, the resistance generated by the movement of the inner circuit board 3221, which is fixed to the chip circuit board 321, is small. As a result, the driving force of the driving device 20 can be designed to be smaller, thereby reducing the size of the driving device 20.

[0145] In one embodiment of this application, viewed from above, both the outer circuit board 3223 and the inner circuit board 3221 have a rectangular peripheral shape. The outer circuit board 3223 has a through hole, which is preferably rectangular and larger than the inner circuit board 3221. The inner circuit board 3221 and the flexible conductive mechanism 3222 are disposed within this through hole. Because the outer circuit board 3223 is annular, the area for the conductive circuit is reduced. In a specific example of this application, to keep the overall size of the circuit board assembly 32 small, the thickness of the outer circuit board 3223 is increased. The thickness of the outer circuit board 3223 is greater than the thickness of the inner circuit board 3221, allowing for more layers of conductive circuits to be disposed in the outer circuit board 3223, thus meeting the requirements for wire placement within a narrower width. The thickness of the outer circuit board 3223 is greater than the thickness of the inner circuit board 3221, so that the bottom surface of the inner circuit board 3221 can be higher than the bottom surface of the outer circuit board 3223.

[0146] The connection board 322 further includes a connection strip 3224, which is fixed to one side of the external circuit board 3223 and electrically connected to the external circuit board 3223. Through the connection strip 3224, the circuit board assembly 32 is electrically connected to an external mobile electronic device.

[0147] The flexible conductive mechanism 3222 includes at least two flexible conductive arms 32221. The at least two flexible conductive arms 32221 extend in the X and Y directions between the inner circuit board 3221 and the outer circuit board 3223 and connect the inner circuit board 3221 and the outer circuit board 3223. The flexible conductive arms 32221 can be electrically connected to the inner circuit board 3221 and the outer circuit board 3223 by setting electrical wires. In one embodiment of this application, at least two flexible conductive arms 32221 include two flexible conductive arms 32221 disposed on opposite sides of the inner circuit board 3221. Specifically, the flexible conductive mechanism 3222 includes four flexible conductive arms 32221, which are respectively located on the four sides of the inner circuit board 3221 and connect the inner circuit board 3221 and the outer circuit board 3223, thereby making the support provided by the outer circuit board 3223 to the inner circuit board 3221 through the flexible conductive mechanism 3222 more stable and symmetrical. Of course, in this application, the flexible conductive mechanism 3222 may also include two, three or more flexible conductive arms 32221, and this application is not limited to this.

[0148] In one embodiment of this application, the flexible conductive arm 32221 may include one or more flexible electrical connectors. When the number of flexible electrical connectors is designed to be large, more conductive circuits can be provided between the inner circuit board 3221 and the outer circuit board 3223. Specifically, the number of flexible electrical connectors in the flexible conductive arm 32221 is determined according to the circuit requirements of the photosensitive chip 31.

[0149] Continue to refer to Figure 11A and Figure 12A The outer circuit board 3223 is fixed to the outer casing 22, for example, the outer circuit board 3223 is fixed to the outer casing body 221 or the outer casing base plate 222 of the outer casing 22. Thus, the outer circuit board 3223 is a relatively fixed part in the camera module 1, while the inner circuit board 3221, which is directly or indirectly fixed to the image stabilization movable carrier 2411, is a relatively movable part. Since the inner circuit board 3221 and the outer circuit board 3223 are connected and electrically conductive through the easily deformable flexible conductive mechanism 3222, the resistance to movement of the inner circuit board 3221 is low. The housing 22 has a receiving cavity to accommodate the base 21 and the chip anti-shake part 24. The base 21 is fixed to the housing 22. The external circuit board 3223 is indirectly fixed to the base 21 by being fixed to the housing 22. In other embodiments of this application, the external circuit board 3223 can also be directly fixed to the base 21. That is, the external circuit board 3223 being fixed to the base 21 includes the above-mentioned indirect and direct cases.

[0150] In one embodiment of this application, the photosensitive component 30 further includes a base 35, to which the outer circuit board 3223 is fixed. The base 35 is fixed to the outer casing 22, thereby forming a relatively enclosed space between the base 35 and the outer casing 22, preventing dust and other contaminants from entering the photosensitive component 30 through the gap between the inner circuit board 3221 and the outer circuit board 3223. In a specific example, there is an air gap between the inner circuit board 3221 and the base 35, and the inner circuit board 3221 is higher than the outer circuit board 3223. That is, the distance between the bottom surface of the inner circuit board 3221 and the top surface of the base 35 is greater than the distance between the bottom surface of the inner circuit board 3221 and the top surface of the base 35. In this way, when the inner circuit board 3221 moves, there will be no friction between the inner circuit board 3221 and the base 35, reducing the resistance to movement. In this example, the flexible conductive arm 32221 is inclined to connect the inner circuit board 3221 and the outer circuit board 3223, wherein the end of the flexible conductive arm 32221 connected to the inner circuit board 3221 is higher than the end connected to the outer circuit board 3223.

[0151] In other words, in this application, the outer circuit board 3223 can be fixed to a relatively fixed part of the driving device 20 (e.g., the outer casing 22, base 35, base 21, etc. are relatively fixed parts of the driving device 20), and the inner circuit board 3221 is fixed to the anti-shake movable carrier 2411 (the inner circuit board 3221 can be directly fixed to the anti-shake movable carrier 2411, or it can be indirectly fixed to the anti-shake movable carrier 2411 by fixing it to the chip circuit board 321). The chip anti-shake movable carrier 2411 is held on the base 21 by the anti-shake holding part 244, so that the inner circuit board 3221 can be maintained at a position higher than the outer circuit board 3223. That is, the bottom surface of the inner circuit board 3221 can be higher than the bottom surface of the outer circuit board 3223, so that the inner circuit board 3221 is not easily affected by frictional resistance during movement.

[0152] The anti-shake holding part 244 includes an anti-shake magnetic member 2441 disposed on the anti-shake movable carrier 2411 and an anti-shake support member 2442 disposed between the base 21 and the anti-shake movable carrier 2411. The magnetic attraction between the anti-shake magnetic member 2441 and the anti-shake magnet 2422 causes the anti-shake movable carrier 2411 to be attracted to the base 21 and the anti-shake support member 2442 to be held by the anti-shake movable carrier 2411 and the base 21. At the same time, the height of the internal circuit board 3221 is maintained by the magnetic attraction between the anti-shake magnetic member 2441 and the anti-shake magnet 2422.

[0153] In one embodiment of this application, the circuit board assembly 32 further includes an inner reinforcing plate 323 fixed to the back of the inner circuit board 3221 and an outer reinforcing plate 324 fixed to the back of the outer circuit board 3223 to enhance the structural strength of the connecting circuit board 322. The inner reinforcing plate 323 and the outer reinforcing plate 324 can be made of stainless steel. The outer reinforcing plate 324 has a ring-shaped structure, and its shape is similar to that of the outer circuit board 3223. In this embodiment, there is an air gap between the inner reinforcing plate 323 and the base 35. The distance between the bottom surface of the inner reinforcing plate 323 and the top surface of the base 35 is greater than the distance between the bottom surface of the outer reinforcing plate 324 and the top surface of the base 35. Thus, when the inner circuit board 3221 moves, there will be no friction between the inner reinforcing plate 323 and the base 35, reducing the resistance to movement. In this embodiment, the height of the inner circuit board 3221 can also be higher than the height of the outer circuit board 3223.

[0154] The basic principles, main features, and advantages of this application have been described above. Those skilled in the art should understand that this application is not limited to the above embodiments. The embodiments and descriptions in the specification are merely the principles of this application. Various changes and modifications can be made to this application without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection claimed by this application is defined by the appended claims and their equivalents.

Claims

1. A driving device, characterized in that, include: Base; The outer casing is fixedly connected to the base; The chip-based image stabilization component includes: A stabilizer movable part is disposed on the image side of the base; A stabilization drive unit, comprising a plurality of stabilization magnets and a plurality of stabilization coils, wherein the plurality of stabilization magnets and the plurality of stabilization coils are disposed opposite to each other, the plurality of stabilization magnets are disposed on the base, and the plurality of stabilization coils are disposed on the stabilization movable part; and The lens focusing section includes: A focusing movable part is disposed on the object side of the base, and the focusing movable part has a peripheral side located between the image side and the object side of the focusing movable part; A focusing drive unit includes a focusing magnet and a focusing coil. The focusing magnet and the focusing coil are disposed opposite to each other. The focusing magnet is disposed on the base, and the focusing coil is disposed on the focusing movable part. At least one of the plurality of image stabilizing magnets extends toward the object side and forms a shared magnet with the focusing magnet. A focusing magnetic attracting component is disposed on the focusing movable part, and the focusing magnetic attracting component and the common magnet attract each other in the horizontal direction; and A focusing support member is disposed on one side of the peripheral side of the focusing movable part, wherein the focusing support member and the shared magnet are located on opposite sides of the focusing movable part, and the focusing support member is clamped between the focusing movable part and the base under the action of the focusing magnetic attraction member.

2. The driving device according to claim 1, wherein, The shared magnet and the focusing magnetic attraction member are located on the same side of the focusing movable part, and the focusing magnetic attraction member and the focusing support member are located on opposite sides of the focusing movable part.

3. The driving device according to claim 2, wherein, The peripheral side of the focusing movable part includes a first side, a second side, a third side and a fourth side arranged sequentially in a clockwise direction. The focusing magnetic suction member is disposed on the first side of the focusing movable part, and the focusing support member is disposed on the second side and the fourth side of the focusing movable part.

4. The driving device according to claim 3, wherein, The focusing coil and the common magnet are arranged opposite each other in the horizontal direction, and the image stabilization coil and the common magnet are arranged opposite each other in the vertical direction. The focusing movable part includes a focusing carrier, and the image stabilization movable part includes an image stabilization movable carrier. The common magnet interacts with the focusing coil and the image stabilization coil respectively, driving the focusing carrier and the image stabilization movable carrier to move relative to the base.

5. The driving device according to claim 4, wherein, The focusing support component includes a first ball bearing mounting part, a second ball bearing mounting part, and a focusing ball bearing clamped between the first ball bearing mounting part and the second ball bearing mounting part. The first ball bearing mounting part is disposed on the focusing carrier, and the second ball bearing mounting part is disposed on the base.

6. The driving device according to claim 5, wherein, The first ball bearing mounting portion has an opening facing the common magnet, and the second ball bearing mounting portion has an opening facing away from the common magnet. The focusing ball bearing is clamped between the opening of the first ball bearing mounting portion and the opening of the second ball bearing mounting portion under the action of the focusing magnetic attraction member.

7. The driving device according to claim 6, wherein, There are two first ball bearing mounting parts and two second ball bearing mounting parts. The two first ball bearing mounting parts and the two second ball bearing mounting parts are respectively disposed on the second side and the fourth side of the focusing movable part.

8. The driving device according to claim 7, wherein, The plurality of anti-shake magnets also include other magnets besides the common magnet, wherein the height of the common magnet is greater than the height of the other magnets.

9. The driving device according to claim 8, wherein, The projected area of ​​the shared magnet along the height direction is smaller than the projected area of ​​the other magnets along the height direction.

10. A camera module, characterized in that, include: Photosensitive components; An optical lens, which is positioned on the light-sensing path of the photosensitive element; as well as The driving device according to any one of claims 1 to 9, wherein the driving device is adapted to drive the photosensitive component and the optical lens to move.

Images