Lens module and camera module

Abstract

The invention provides a lens module and a camera module. The lens module comprises a lens; the lens is mounted in the lens carrier, and the lens carrier carries the lens to do translational motion along a second axis Y; the lens driving mechanism drives the lens carrier to carry the lens to move; the base comprises a second part suitable for containing the lens module and a stop component, and the stop component is located on the top of the second part so as to limit the movement distance of the lens carrier along the second axis Y; wherein the stop component comprises a metal part and at least two buffer parts, the metal part extends along the second axis Y, and the buffer parts are oppositely distributed on the metal part along the second axis Y so as to be adjacent to the two ends, formed along the second axis Y, of the lens carrier respectively.

Description

[0001] Divisional Application Statement

[0002] This application is a divisional application of the Chinese invention patent application with the invention name “Optical path turning module and camera module” and application number 2023112729308 filed on September 28, 2023. Technical Field

[0003] The present application relates to the field of imaging, and more specifically to a lens module and a camera module. Background Art

[0004] Camera modules are an essential part of mobile electronic devices. With the further development of camera module technology, users' demands for camera modules have become more and more refined and have higher requirements. The development of camera products not only needs to meet the requirements of high performance, but also needs to meet the requirements of miniaturization and lightness.

[0005] Among them, the periscope camera module is a product used for telephoto photography. An optical path turning module (reflector, prism, etc.) is added in front of the lens module to turn the vertically incident light beam to the camera module into a vertically emitted light beam, which passes through the lens module to reach the photosensitive chip, where photoelectric conversion is performed for imaging. The periscope camera module folds the light path through the optical path turning module, which can achieve long-focus shooting and reduce the height of the camera module. The camera module can be converted from being installed vertically on the electronic device to being installed horizontally, thereby reducing the impact on the thickness of the electronic device.

[0006] The camera module usually has an autofocus function (Auto FocuA, AF function) and an optical image stabilization function (Optical Image Atabilization, optical image stabilization, OIA function). The AF function is usually achieved by a motor driving the lens to move linearly along the optical axis. The OIA function is achieved by compensating for jitter displacement by a motor. Since the periscope camera module has a larger focal length to achieve longer-distance shooting, it usually has a larger body. The motor setting position and setting form of the periscope camera module will affect the overall size of the camera module. Improper setting can easily lead to an oversized periscope camera module.

[0007] In addition, the OIA function of the periscope camera module can be realized by moving the lens module. However, the lens module usually includes a carrier and multiple lenses installed on the carrier, which makes the lens module usually have a large weight. Moving the lens module requires a large thrust, which leads to the need for the corresponding motor to have a large volume and generate greater power consumption. This easily leads to the periscope camera module being too large in size, which does not conform to the development trend of miniaturization. Summary of the invention

[0008] One advantage of the present application is that it provides a lens module and a camera module, wherein a movement distance of a lens carrier along a second axis Y is limited by a stop member.

[0009] According to one aspect of the present application, the present application provides a lens module, including:

[0010] Lens;

[0011] A lens carrier, wherein the lens is installed in the lens carrier, and the lens carrier carries the lens to move translationally along a second axis Y;

[0012] A lens driving mechanism, wherein the lens driving mechanism drives the lens carrier to carry the lens to move;

[0013] A base, the base comprising a second portion adapted to receive the lens module and a stop member, the stop member being located on a top of the second portion to limit a movement distance of the lens carrier along a second axis Y;

[0014] Among them, the stopping member includes a metal part and a buffer part, the metal part extends along the second axis Y, and the number of the buffer parts is at least two, which are relatively distributed along the second axis Y with respect to the metal part so as to be adjacent to both ends of the lens carrier formed along the second axis Y respectively.

[0015] According to an example of the present application, there are two stopper members, which are relatively distributed on the metal part along the second axis Y, and there is a certain interval between the two buffer parts.

[0016] According to an example of the present application, the lens module further includes a lens guiding member, which is assembled between the base and the lens carrier to support the lens carrier to carry the movement of the lens.

[0017] According to an example of the present application, the lens carrier is provided with a first guide groove, which is formed at the bottom of the lens carrier and opposite to the bottom wall of the base, and the bottom wall of the base is provided with a second guide groove, and the first guide groove and the second guide groove cooperate to define a third movable space, and the lens guide member located in the third movable space is abutted against the inner wall surface defining the first guide groove and the inner wall surface defining the second guide groove along a third axis X, and is abutted against the surface defining the second guide groove along a second axis Y, and the first guide groove has a track extending along the second axis Y, or the lens guide member is abutted against the surface defining the first guide groove along the second axis Y, and the second guide groove has a track extending along the second axis Y.

[0018] According to an example of the present application, the bottom of the lens carrier is provided with at least two first guide grooves parallel to the second axis Y and relatively distributed along the third axis X, the base is provided with at least two second guide grooves, and the inner wall surfaces of at least one of the first guide grooves and the at least one second guide groove define at least one third movable space for accommodating the lens guide member.

[0019] According to an example of the present application, a third traction member is provided on the base, and a fourth traction member is provided on the bottom of the lens carrier, and the third traction member and the fourth traction member are adjacent to each other on the first axis Z, generating an attraction parallel to the first axis Z, so that the lens carrier is attracted toward the base along the first axis Z.

[0020] According to an example of the present application, the lens driving mechanism is arranged on at least one side of the lens carrier along a third axis X, and the lens driving mechanism includes a lens actuating unit and a lens transmission unit, and the lens actuating unit and the lens transmission unit are adjacently assembled on the lens carrier and the base along the third axis X, and the lens actuating unit and the lens transmission unit are correspondingly implemented as a coil and a magnet, or, the lens actuating unit and the lens transmission unit are implemented as a piezoelectric driving mechanism.

[0021] According to one aspect of the present application, the present application provides a camera module, including:

[0022] A lens module as described above;

[0023] An optical path turning module, which turns the light incident along the first axis Z into the light emitted along the second axis Y;

[0024] The photosensitive module, the optical path turning module, the lens module and the photosensitive module are assembled on the base along the second axis Y, the light emitted from the optical path turning module is incident from the lens module along the second axis Y, and the light emitted from the lens module reaches the photosensitive module.

[0025] According to an example of the present application, the optical path turning module includes:

[0026] An optical path turning component, wherein the optical path turning component turns the light incident along the first axis Z into the light emitted along the second axis Y;

[0027] A first movable component, the first movable component carrying the optical path turning component;

[0028] a second movable member, the first movable member and the second movable member being movably mounted on the base along the first axis Z;

[0029] a first guiding member, guiding the first movable member to carry the optical path turning member to rotate around a first rotation axis perpendicular to the first axis Z and the second axis Y; and

[0030] a second guiding member, guiding the second movable member to carry the first movable member and the optical path turning member to rotate around a second rotation axis parallel to the first axis Z;

[0031] Wherein, the second movable member has at least one first accommodating groove and at least one second accommodating groove arranged along the first axis Z and in opposite directions, which are respectively suitable for accommodating the first guide member and the second guide member, the first guide member rolls in at least one of the first accommodating grooves, and the second guide member slides relative to the second accommodating groove.

[0032] According to an example of the present application, at least two of the first accommodating grooves are symmetrically distributed on both sides of the second rotation axis, and the relative inner wall surfaces in at least one direction orthogonal to the second rotation axis of at least one of the first accommodating grooves have an angle inclined relative to the second rotation axis, and the first guide member is abutted against the inclined extending inner wall surface defining the first accommodating groove to perform a rolling motion; at least one of the first accommodating grooves has its two end boundaries in a direction parallel to the first rotation axis respectively defined by at least one inclined extending inner wall surface, and at least another of the first accommodating grooves has its two end boundaries in a direction parallel to the first rotation axis respectively defined by at least one inner wall surface extending in a direction parallel to the second rotation axis. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of a camera module according to a preferred embodiment of the present application.

[0034] Figure 2 It is a schematic diagram of the internal structure of a camera module according to a preferred embodiment of the present application.

[0035] Figure 3 It is a schematic diagram of an optical path turning module being assembled to form a camera module according to a preferred embodiment of the present application.

[0036] Figure 4 It is an exploded schematic diagram of an optical path turning module according to a preferred embodiment of the present application.

[0037] Figure 5A It is a schematic diagram of a first movable component of an optical path turning module according to a preferred embodiment of the present application.

[0038] Figure 5B It is a schematic diagram of the second movable component of the optical path turning module according to a preferred embodiment of the present application.

[0039] Figure 5C It is a schematic diagram of the assembly of the first movable component and the second movable component of the optical path turning module according to a preferred embodiment of the present application.

[0040] Figure 5D It is a cross-sectional and partially enlarged schematic diagram of the movable structure of the optical path turning module according to a preferred embodiment of the present application.

[0041] Fig. 6A This is a schematic diagram of a camera module according to a preferred embodiment of the present application, viewed along the YZ plane.

[0042] Figure 6B This is another schematic diagram of a camera module according to a preferred embodiment of the present application, viewed along the YZ plane.

[0043] Figure 6C It is a schematic diagram of a camera module according to a preferred embodiment of the present application, viewed along the XZ plane.

[0044] Fig. 7A This is another schematic diagram of a camera module according to a preferred embodiment of the present application viewed along the XZ plane.

[0045] Figure 7B It is a schematic diagram of a camera module according to a preferred embodiment of the present application, viewed along the XY plane.

[0046] Figure 8 It is a schematic diagram of a base of a camera module according to a preferred embodiment of the present application.

[0047] Fig. 9 It is a schematic diagram of a lens module and a base of a camera module according to a preferred embodiment of the present application.

[0048] Fig.10 It is a schematic diagram of a lens module of a camera module according to a preferred embodiment of the present application.

[0049] Fig.11 It is another partial cross-sectional schematic diagram of a camera module according to a preferred embodiment of the present application. DETAILED DESCRIPTION

[0050] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the present invention defined in the following description can be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the present invention.

[0051] Those skilled in the art should understand that, in the disclosure of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the above terms should not be understood as limiting the present invention.

[0052] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0053] The present application provides a camera module, comprising an optical path turning module, a lens module and a photosensitive module arranged in sequence from the object side to the image side, the optical path turning module turns the light from the measured object from a first direction to a second direction, and the photosensitive chip in the photosensitive module is arranged perpendicular to the second direction to receive the light from the second direction. Therefore, the camera module folds the optical path, so that the total length (TTL) of the optical lens is longer, and the height of the camera module is smaller.

[0054] Reference Figure 1 and Figure 2 As shown in FIG. 1 , the camera module includes a housing 10, a base 20, an optical path turning module 30 and a lens module 40. The base 20 is suitable for accommodating the optical path turning module 30 and the lens module 40, and the housing 10 is mounted on the base 20. The housing 10 is provided with a light entrance window 100, and external light enters the camera module through the light entrance window 100. The optical path turning module 30 is arranged near the light entrance window 100.

[0055] External light enters the camera module from the light entrance window 100 along the first direction. The light path turning module 30 is configured to turn the light incident along the first direction into light emitted along the second direction. The lens module 40 is arranged on the light emission side of the light path turning module 30 to receive the light emitted by the light path turning module 30.

[0056] The camera module also includes a photosensitive module (not shown in the figure), which is arranged on the exit side of the lens module 40. The photosensitive module receives the light emitted by the lens module 40 and performs photoelectric conversion.

[0057] For ease of description, the camera module is defined to extend along the mutually perpendicular first axis Z, second axis Y, and third axis X. The camera module extends along the third axis X to define the width of the camera module, extends along the second axis Y to define the length of the camera module, and extends along the first axis Z to define the height (thickness) of the camera module. The first direction is parallel to the first axis Z, the second direction is parallel to the second axis Y, and the direction parallel to the third axis X is defined as the third direction.

[0058] The optical path turning module 30, the lens module 40 and the photosensitive module are assembled on the base 20 along the second axis Y. The base 20 includes a first part 21, a second part 22 and a third part 23 formed in sequence along the second axis Y, the first part 21 is suitable for accommodating the optical path turning module 30, the second part 22 is suitable for accommodating the lens module 30, and the photosensitive module is suitable for being installed in the third part 23. The first part 21, the second part 22 and the third part 23 can be implemented as independent components or as an integrated component, which is not limited in the present application. The housing 10 covers the base 20 so that the internal structure is shielded and light enters the interior of the camera module through the light entrance window 100.

[0059] First refer to Figures 3 to 6C The optical path turning module 30 provided by the present application is described.

[0060] The optical path turning module 30 includes an optical path turning component 31, which turns the light incident along the first axis Z (first direction) into the light emitted along the second axis Y (second direction). The optical path turning component 31 can be a reflector or a prism for turning the light path. For the convenience of description, the example of the present application takes the optical path turning component 31 as an example of a prism.

[0061] The optical path turning component 31 has a light incident surface 311, a light emitting surface 312 and a turning surface 313. The turning surface 313 connects the light incident surface 311 and the light emitting surface 312. The light incident surface 311 and the light emitting surface 312 are connected. The light incident surface 311 intersects with the first axis Z, and the light emitting surface 312 intersects with the second axis Y. The turning surface 313 extends at a certain angle relative to the first axis Z and the second axis Y, and also has a certain inclination angle relative to the third axis X (third direction).

[0062] The light incident along the first axis Z enters the light path turning component 31 from the light incident surface 311 , reaches the turning surface 313 , and is turned by the turning surface 313 . The projection direction of the light is turned to be emitted from the light emitting surface 312 along the second axis Y.

[0063] When the camera module captures an image, the image may become blurred due to the user's hand shaking or when the captured image is a moving image. Therefore, a movable component is set in the optical path turning module 30 to correct the image. According to the jitter generated by the optical path turning component 31, the movable component carries the optical path turning component 31 to generate a corresponding displacement to compensate for the jitter and realize the OIA function.

[0064] Preferably, the optical path turning component 30 rotates around the first rotation axis 301 and the second rotation axis 302, and the posture of the optical path turning component 31 is corrected with the first rotation axis 301 and the second rotation axis 302 as the center, respectively, so as to compensate for the jitter displacement in two directions and suppress the image blur. Compared with the camera module that performs anti-shake in only one direction, it can produce a higher quality image. Among them, the first rotation axis 301 is perpendicular to the first direction and the second direction, that is, extends along the third axis X, and the second rotation axis 302 is parallel to the first direction, that is, extends along the first axis Z. Furthermore, the optical path turning component 31 performs a pitch motion around the first rotation axis 301 and a yaw motion around the second rotation axis 302.

[0065] The optical path turning module 30 includes a first movable member 32, which is movably mounted on the base 20 and is located in the internal space defined by the first portion 21. The first movable member 32 rotates around the first axis Z and around the third axis X to carry the optical path turning member 31 to rotate around the first axis Z and the third axis X to perform image correction.

[0066] The first movable member 32 carries the optical path deflecting member 31. The first movable member 32 has an inclined surface, the optical path deflecting member 31 is assembled on the first movable member 32, and the deflecting surface 313 is in contact with the inclined surface.

[0067] Specifically, the first movable member 32 includes a bearing portion 321, a back portion 322, a side portion 323 and a bottom portion 324, the bearing portion 321 and the back portion 322 are arranged back to back along the second axis Y, the side portion 323 is relatively arranged on both sides of the bearing portion 321 and the back portion 322 along the third axis X, and the bottom portion 324 is formed as the bottom of the bearing portion 321 along the first axis Z. The bottom portion 323 faces the bottom of the base 20.

[0068] Preferably, the first movable member 32 is integrally formed to reduce assembly difficulty.

[0069] The bearing portion 321 has a bearing surface 3211, and the bearing surface 3211 is obliquely intersected with the first axis Z, the second axis Y, and the third axis X. The turning surface 313 of the optical path turning member 31 is abutted against the bearing surface 3211. The side portions 323 are formed on both sides of the bearing portion 321 along the third axis X, and the optical path turning member 31 is clamped between the opposite side portions 323 along the third axis X.

[0070] The first movable component 32 further includes a positioning portion 325, which is extended from the end of the side portion 323 relative to the back portion 322 along the third axis X and toward the supporting portion 321. After the light path turning component 31 is assembled on the first movable component 32, the positioning portion 325 is located on the output side of the light path turning component 31, contacts the output surface 312 along the second axis Y, and is located at the edge of the output surface 312.

[0071] In other words, the positioning portion 325 is formed by bending and extending from the side portion 323 in the turning direction to be opposite to the supporting portion 321 along the second axis Y, and is further located at the edges of both sides of the emission surface 312 of the optical path turning component 31 .

[0072] The optical path turning member 31 is abutted against the bearing portion 321 and the positioning portion 325 along the second axis Y to prevent the optical path turning member 31 from falling off from the first movable member 32 , so that the optical path turning member 31 can be firmly installed on the first movable member 32 .

[0073] The optical path turning module 30 further includes a first driving mechanism 33, which drives the first movable member 32 to carry the optical path turning member 31 to move and rotate around the first rotation axis 301. Further, the first driving mechanism 33 is arranged on at least one side of the first movable member 32 along the second axis Y, and the first driving mechanism 33 drives the first movable member 32 to move along the second axis Y and further rotate around the third axis X. The arrangement direction of the first driving mechanism 33 is orthogonal to the second rotation axis 302 and the first rotation axis 301.

[0074] The first driving mechanism 33 includes a first actuating unit 331 and a first transmission unit 332 , and the first actuating unit 331 and the first transmission unit 332 are arranged along the second axis Y.

[0075] In a preferred embodiment of the present application, the first driving mechanism 33 is disposed on one side of the back 322 of the first movable member 32 along the second axis Y. The back 322 is provided with a first movable mounting portion 3221, the base 20 is provided with a first base mounting portion 2101, the first movable mounting portion 3221 and the first base mounting portion 2101 are adjacent along the second axis Y, one of the first actuating unit 331 and the first transmission unit 332 is disposed on the first movable mounting portion 3221, and the other is disposed on the first base mounting portion 2101, so as to be adjacent along the second axis Y.

[0076] Further, a hole is formed in the side wall of the base 21 facing the back 322 to form a first base mounting portion 2101, and the first actuating unit 331 is mounted on the first base mounting portion 2101. A groove is formed in the surface of the back 322 facing the base 21 to form a first movable mounting portion 3221, and the first transmission unit 332 is mounted on the first movable mounting portion 3221. This arrangement can avoid increasing the size of the camera module.

[0077] In one embodiment of the drive, one of the first actuating unit 331 and the first transmission unit 332 is implemented as a coil, and the other is implemented as a magnet. Figure 3 and Figure 4 As shown, the first actuating unit 331 is a coil, and the first transmission unit 332 is a magnet. After the coil is energized, the magnetic field generated by the magnet and the current in the coil interact to generate a Lorentz force, which drives the first movable member 32 to carry the optical path turning member 31 to move along the second axis Y, and further rotate around the third axis X, so that the optical path turning member 31 performs a pitch motion, thereby realizing anti-shake of the camera module in one direction.

[0078] The optical path turning module 30 includes a second movable member 34, which is movably mounted on the base 20 and is located in the internal space defined by the first part 21. The second movable member 34 is disposed between the first movable member 32 and the base 20 along the first axis Z. The second movable member 34 carries the first movable member 32 to rotate around the first axis Z, so that the optical path turning member 31 performs a yaw motion, thereby realizing anti-shake of the camera module in another direction.

[0079] In a preferred embodiment of the present application, the second movable member 34 is disposed in the bottom 324 of the first movable member 32. The first movable member 32 is movably mounted on the second movable member 34 along the first axis Z. The second movable member 34 is built into the first movable member 32 to avoid increasing the size of the optical path turning module 30 on the first axis Z.

[0080] The optical path turning module 30 includes a second driving mechanism 35 , which drives the second movable member 34 to carry the first movable member 32 to carry the optical path turning member 31 to rotate around the second rotation axis 302 , thereby realizing the yaw motion of the optical path turning member 31 .

[0081] The second drive mechanism 35 is arranged in a direction that intersects with the first drive mechanism 33 to avoid increasing the size of the optical path turning module 30 by being arranged in the same direction, and the arrangement directions are both orthogonal to the second rotation axis 302. The second drive mechanism 35 is arranged in a direction parallel to the first rotation axis 301.

[0082] Further, the second driving mechanism 35 is mounted on at least one side of the first movable member 32 on the third axis X along the third axis X to drive the first movable member 32 to move along the third axis X. Further, the second movable member 34 guides the first movable member 32 to rotate around the first axis Z.

[0083] The second driving mechanism 35 includes a second actuating unit 351 and a second transmission unit 352, and the first actuating unit 351 and the second transmission unit 352 are adjacently arranged along the third axis X, and are arranged on at least one side of the first movable member 32 on the third axis X. The first actuating unit 351 and the second transmission unit 352 interact with each other to generate a driving force to drive the first movable member 32 to move along the third axis X.

[0084] The second actuating unit 351 is mounted on the base 20, and the second transmission unit 352 is mounted on the first movable member 32. Specifically, the base 20 is provided with a second base mounting portion 2102, and the side portion 323 of the first movable member 32 is provided with a second movable mounting portion 3231, the second base mounting portion 2102 and the second movable mounting portion 3231 are adjacent along the third axis X, the second actuating unit 351 is mounted on the second base mounting portion 2102, and the second transmission unit 352 is mounted on the second movable mounting portion 3231, so that the two are adjacent along the third axis X.

[0085] In some examples of the present application, the second driving mechanism 35 is disposed on both sides of the first movable member 32 along the third axis X, and correspondingly, the base 20 is provided with at least two second base mounting portions 2102 opposite to each other along the third axis X, and the side portion 323 is provided with at least two second movable mounting portions 3231 opposite to each other along the third axis X. At least two second actuating units 351 are oppositely mounted on the second base mounting portions 2102 of the base 20 along the third axis X, and at least two second transmission units 352 are oppositely mounted on the at least two second movable mounting portions 3231 of the first movable member 32 along the third axis X.

[0086] Further, one of the second actuating unit 351 and the second transmission unit 352 is implemented as a coil, and the other is implemented as a magnet. When the coil is energized, the magnetic field generated by the magnet and the current in the coil interact to generate a Lorentz force, which drives the first movable component 32 to carry the optical path turning component 31 to move along the third axis X, and further rotate around the first axis Z, thereby achieving anti-shake in another direction.

[0087] The first driving mechanism 33 is disposed on at least one side of the first movable member 32 along the second axis Y, and the second driving mechanism 35 is disposed on both sides of the first movable member 32 along the third axis X. The first driving mechanism 33 and the second driving mechanism 35 are disposed around the first axis Z.

[0088] In a preferred embodiment of the present application, the first actuating element 331 of the first driving mechanism 33 and the second actuating element 351 of the second driving mechanism 35 are implemented as coils, which are mounted on the base 20 around the first axis Z; the first transmission element 332 of the first driving mechanism 33 and the second transmission element 352 of the second driving mechanism 35 are implemented as magnets, which are mounted on the first movable member 32 around the first axis Z. Therefore, the magnets for realizing the movement of the first movable member 32 are all assembled on the first movable member 32, and the coils are all assembled on the base 20, which reduces the difficulty of assembly.

[0089] The first movable member 32 and the second movable member 34 are arranged along the first axis Z, the first driving mechanism 33 is arranged along the second axis Y, and the second driving mechanism 35 is arranged along the third axis X, so as to avoid being arranged in the same direction and causing the size in one direction to be too large, which is conducive to miniaturization of the camera module. The second movable member 34 is built into the first movable member 32, so as to avoid increasing the size of the optical path turning module 30 on the first axis Z, which is conducive to reducing the height of the camera module.

[0090] Next, the implementation of the second movable member 34 and the first movable member 32 will be further described. Figure 4 , the second movable member 34 includes a base 341 and a support arm 342 , the base 341 extends in the XY plane, and the support arm 342 extends from the base 341 along the first axis Z. The support arm 342 extends protrudingly relative to the base 341 .

[0091] In other words, the base 341 is plate-shaped, and the support arm 342 protrudes from the base 341 to be protrudingly located on a surface of one side of the base 341. The surface of the base 341 where the support arm 342 is located is defined as a first side surface 3411 of the base 341, and the first side surface 3411 is opposite to the bottom 324 of the first movable member 32.

[0092] The bottom 324 of the first movable member 32 is provided with a receiving space 3240 suitable for receiving the second movable member 34 , so that the second movable member 34 is built into the first movable member 32 .

[0093] Reference Figure 5A As shown in the figure, the bottom 324 has a bottom surface 3241, which intersects the first axis Z and extends in the XY plane. The receiving space 3240 is defined from the bottom surface 3241 along the first axis Z in the direction opposite to the bearing portion 321, and the two side boundaries of the receiving space 3240 along the third axis X are defined by the side portion 323. In other words, the receiving space 3240 is formed by a depression along the first axis Z from the bottom 324 toward the bearing portion 321.

[0094] The receiving space 3240 forms a first receiving space 32401 and a second receiving space 32402 . The first receiving space 32401 and the second receiving space 32402 are arranged along the first axis Z. The second receiving space 32402 is further distributed from the first receiving space 32401 toward the bearing portion 321 .

[0095] Furthermore, the portion at the lowest end of the bottom portion 324 along the first axis Z has a first bottom surface 32411. The plane where the first bottom surface 32411 is located defines the boundary of the first receiving space 32401 on the bottom side of the first axis Z. The bottom portion 324 also has a second bottom surface 32412, and the second bottom surface 32412 defines the boundary of the first receiving space 32401 on the top side of the first axis Z. The second receiving space 32402 is formed by being recessed along the first axis Z toward the bearing portion 321 to form a third bottom surface 32413. The third bottom surface 32413 defines the boundary of the second receiving space 32402 on the top side of the first axis Z.

[0096] That is to say, the bottom 324 of the first movable component 32 is designed as an inwardly recessed step-shaped structure, which is compatible with the structure of the second movable component 34 with a boss design, so that the second movable component 34 can be built into the first movable component 32.

[0097] When the first movable member 32 and the second movable member 34 are assembled, the support arm 342 is accommodated in the second receiving space 32402, and the base 341 is accommodated in the first receiving space 32402. Fig. 6A and Figure 6B As shown in the figure, the first bottom surface 32411 is suitable to be opposite to the bottom wall 213 of the base 20, the second bottom surface 32412 is opposite to the first side surface 3411 of the base 341, and the third bottom surface 32413 is suitable to be opposite to the top surface 3421 of the support arm 342.

[0098] like Fig. 6A As shown, the bottom 324 is further provided with a positioning column 3242, which extends along the first axis Z in the receiving space 3240 and protrudes relative to the bottom surface 3241. Further, the positioning column 3242 protrudes from the second bottom surface 32412 along the first axis Z to be distributed in the first receiving space 32401.

[0099] The second movable member 34 is provided with a positioning hole 340, and the positioning column 3242 cooperates with the positioning hole 340 to position and install the second movable member 34 to the first movable member 32. The positioning column 3242 is engaged with the positioning hole 340, so that the second movable member 34 and the first movable member 32 move together, thereby carrying the movement of the optical path turning member 31. Further, the positioning hole 340 is opened on the base 341. Preferably, the positioning column 3242 is located in the extension direction of the second rotating shaft 302, and correspondingly, the positioning hole 340 is formed in the extension direction of the second rotating shaft 302.

[0100] Next, the motion guiding structure of the optical path turning module 30 of the present application is described, which guides the optical path turning member 31 to perform anti-shake motion. The optical path turning module 30 includes a first guiding member 36, which is disposed between the first movable member 32 and the second movable member 34 to guide the motion of the first movable member 32. The first driving mechanism 33 drives the first movable member 32, and the first guiding member 36 guides the first movable member 32 to rotate around the third axis X.

[0101] The first guide member 36 supports the first movable member 32 along the first axis Z, and the second movable member 34 supports the first guide member 36 along the first axis Z. The first guide member 36 supports the first movable member 32, so that a first movement gap 3601 is formed between the first movable member 32 and the second movable member 34, so that the first movable member 32 can move relative to the second movable member 34. The first guide member 36 reduces the friction between the first movable member 32 and the second movable member 34, improves the movement efficiency, and maintains the movement friction between the first movable member 32 and the second movable member 34.

[0102] The first movement gap 3601 is distributed between the first movable component 32 and the second movable space 34 along the first axis Z, so that the first movable component 32 can generate a pitch motion relative to the second movable component 34, that is, rotate around the third axis X.

[0103] The top end of the support arm 342 of the second movable member 34 is provided with a first receiving groove 3420, and the first guide member 36 is assembled in the first receiving groove 3420. The bottom 32402 of the first movable member 32 is provided with a third receiving space 32403, which is suitable for receiving the first guide member 36. Further, the third receiving space 32403 is formed by slotting from the third bottom surface 32413 along the first axis Z further toward the bearing portion 321. The third receiving space 32403, the second receiving space 32402 and the first receiving space 32401 are arranged along the first axis Z.

[0104] The second movable member 34 is assembled to the first movable member 32 , the support arm 342 extends into the second receiving space 32402 , and a portion of the first guide member 36 located at the top end of the support arm 342 is accommodated in the third receiving space 32403 .

[0105] A first movable space 360 ​​is defined between the inner wall surface defining the first receiving groove 3420 and the inner wall surface defining the third receiving space 32403 . The first guide member 36 moves in the first movable space 360 ​​to guide the movement of the first movable member 32 .

[0106] The portion of the first guide member 36 located in the first receiving groove 3420 is abutted against the inner wall surface defining the first receiving groove 3420, and the portion located in the third receiving space 32403 is abutted against the inner wall surface defining the third receiving space 32403 along the second axis Y to limit the translational movement of the first guide member 36 along the second axis Y, and the remaining portion is located outside the first receiving groove 3420 and the third receiving space 32402 to form a first movement gap 3601, which can be used to convert the movement of the first movable member 32 along the second axis Y into rotation around the third axis X. Therefore, when the first driving mechanism 33 drives the first movable member 32 to move along the second axis Y, the first guide member 36 guides the first movable member 32 to rotate around the third axis X, thereby realizing the pitch movement of the optical path turning member 31.

[0107] In a preferred embodiment of the present application, the first guide member 36 is implemented as a ball, and the ball is abutted against the inner wall surface defining the first receiving groove 3420 along the second axis Y and the third axis X to roll in the first receiving groove 3420. Therefore, when the first driving mechanism 33 generates a driving force along the direction of the second axis Y, the translational movement of the first movable member 32 along the direction of the second axis Y is restricted, and the first guide member 36 rolls to guide the first movable member 32 to rotate around the third axis X.

[0108] Further, at least one first guide member 36 is abutted against the inner wall surface defining at least one first movable space 360 ​​along the third axis X, so as to be restricted from generating displacement movement along the third axis X. That is, the movement of at least one first guide member 36 located in at least one first movable space 360 ​​is restricted to rolling movement, and rolling around the third axis X is performed, and then when guiding the first movable member 32 to rotate around the third axis X, the first movable member 32 will not be guided to generate displacement movement along the third axis X, rotation movement around the first axis Z, etc.

[0109] Preferably, refer to Figure 5B and Figure 5CAs shown in the figure, the support arms 342 are implemented as two, which are formed on the first side surface 3411 of the base 341 relatively along the third axis X, and are symmetrically distributed with the second rotation axis 302 as the symmetry axis. The top surface 3421 of each support arm 342 forms a first receiving groove 3420A, 3420B respectively. The bottom 324 of the first movable member 32 is provided with two third receiving spaces 32403, which are symmetrically distributed with the second rotation axis 302 as the symmetry axis. The two support arms 342 are opposite to each other along a direction parallel to the first rotation axis 301.

[0110] The first receiving grooves 3420A, 3420B and the third receiving spaces 32403A, 32403B distributed on both sides of the second rotating shaft 302 cooperate with each other to define first movable spaces 360A, 360B distributed on both sides of the second rotating shaft 302 to respectively receive the first guiding components 36A, 36B.

[0111] The movement form of the first guide member 36A located in the first movable space 360A is restricted to rolling, so that when the first guide member 36 guides the first movable member 32 to rotate around the first rotation axis 301, the first movable member 32 is restricted from generating a rotational movement around the second rotation axis 302. That is, when the first movable member 32 performs a pitching movement, it will not be guided by the first guide member 36 to generate a yaw movement, so as to improve the anti-shake accuracy.

[0112] Specifically, the inner wall surface A11 defining the two end boundaries of the first receiving groove 3420A along the third axis X is an inclined surface, and the inner wall surfaces A11 at the two ends are respectively inclined at a certain angle in two opposite directions relative to the first axis Z. Further, the inner wall surface A12 defining the two end boundaries of the first receiving groove 3420A along the second axis Y is an inclined surface, and is respectively inclined at a certain angle in two opposite directions relative to the first axis Z. In particular, at least four supporting points are formed between the first receiving groove 3420A and the first guide member 36A, which are opposite to each other in a direction orthogonal to the second rotation axis 302.

[0113] The inner wall surfaces A21 defining the third receiving space 32403 along the third axis X are inclined surfaces. The inner wall surfaces A21 at both ends are formed by being inclined at a certain angle in two opposite directions relative to the first axis Z. The inner wall surfaces A22 defining the boundaries of the third receiving space 32403 along the second axis Y are inclined surfaces, which are formed by being inclined at a certain angle in two opposite directions relative to the first axis Z. In particular, at least four contact points are formed between the third receiving space 32403A and the first guide member 36A, which are opposite to each other in a direction orthogonal to the second rotation axis 302.

[0114] The first guide member 32A is abutted against the inner wall surface defining the first receiving groove 3420A and the third receiving space 32403A along the third axis X and the second axis Y, and is restricted to only generate rolling motion. Therefore, the rotational motion of the first guide member 36A located in the first movable space 360A around the second rotation axis 302 is restricted, thereby restricting the first guide member 36 from guiding the first movable member 32 to generate rotational motion around the second rotation axis 302.

[0115] In addition, the first guide member 36A in the first movable member 360A is abutted against the inner wall surface defining the first movable space 360A along the third axis X and the second axis Y, which also facilitates the positioning and installation of the first movable member 32, the first guide member 36 and the second movable member 34.

[0116] The movement form of the first guide member 36B in the first receiving groove 3420B located on the other side of the second rotation axis 302 may be limited to rolling or may not be limited. In one embodiment, the embodiment of the inner wall surface of the first receiving groove 3420B and the third receiving space 32403B defining the first movable space 360B may be the same as the embodiment of the first movable space 360A, the first receiving groove 3420A and the third receiving space 32403A described above.

[0117] In one embodiment, the inner wall surface B11 of the two end boundaries of the first receiving groove 3420B defining the other side along the third axis X is a vertical surface extending along the first axis Z. There may be a certain gap between the first guide member 36B and the inner wall surface B11 at both ends. The inner wall surface B12 defining the two end boundaries of the first receiving groove 3420B along the second axis Y is an inclined surface, which is formed by being inclined at a certain angle in two opposite directions relative to the first axis Z to limit the displacement movement of the first guide member along the second axis Y. At least two supporting points opposite to each other in a direction orthogonal to the second rotation axis 302 are formed between the first receiving groove 3420B and the first guide member 36B.

[0118] Correspondingly, the inner wall surfaces B21 defining the two end boundaries of the third receiving space 32403 along the third axis X are inclined surfaces, which are formed by being inclined at a certain angle in two opposite directions relative to the first axis Z, so as to limit the displacement movement of the first guide member 36B along the third axis X. At least two contact points opposite to each other in a direction orthogonal to the second rotation axis 302 are formed between the third receiving hole 32403B and the first guide member 36B. The inner wall surfaces B22 defining the two end boundaries of the third receiving space 32403 along the second axis Y are vertical surfaces, extending along the first axis Z. There may be a certain gap between the first guide member 36B and the inner wall surfaces B22 at both ends.

[0119] Therefore, the first guide member 36B located in the first movable space 360B is abutted against at least a portion of the inner wall surface defining the first movable space 360B along the third axis X and the second axis Y so as to be restricted from producing displacement movement along the third axis X and the second axis Y, thereby preventing the first guide member 36B from producing yaw movement when guiding the first movable member 32 to perform pitch movement.

[0120] The first guide member 36B located in the first accommodating groove 3420B and the part of the inner wall surface defining the first accommodating groove 3420B have a gap in at least one direction orthogonal to the second rotation axis 302, which facilitates the movable structures to cooperate with each other for assembly; similarly, the part of the first guide member 36B accommodated in the third accommodating space 32403 and the part of the inner wall surface defining the third accommodating space 32403 have a gap in at least one direction orthogonal to the second rotation axis 302, which facilitates the movable structures to cooperate with each other for assembly.

[0121] In addition, the two relatively arranged inner wall surfaces (A11, A12, B11, B12, A21, A22, B21, B22) that define the two end boundaries of the first receiving groove 3420A, 3420B and the third receiving space 32403A, 32403B can be directly connected or connected through a bottom surface extending generally along the XY plane.

[0122] Next, combine the instructions attached FIG. 6A to FIG. 8 , illustrating an implementation of the second movable member 34 and the base 20.

[0123] The side wall of the base 21 includes a first side wall 211 and a second side wall 212, and the first side wall 211 and the back 322 of the first movable member 32 are adjacent to each other along the second axis Y. The second side wall 212 is disposed opposite to each other along the third axis X, and is adjacent to the side portion 323 of the first movable member 32. The base 21 includes a bottom wall 213, and the second movable member 34 is movably assembled to the bottom wall 213.

[0124] Furthermore, the bottom wall 213 is provided with a boss 214 , which is formed by protrudingly extending from the bottom 213 along the first axis Z and distributed in the XY plane. The second movable member 34 is movably mounted on the boss 214 .

[0125] The optical path turning module 30 also includes a second guide member 37, which is assembled between the second movable member 34 and the base 20. The base 20 supports the second guide member 37 along the first axis Z. The second guide member 37 supports the second movable member 34 along the first axis Z. The second guide member 37 guides the second movable member 34 to rotate around the first axis Z, so that the optical path turning member 31 performs a yaw motion, thereby realizing anti-shake of the camera module in another direction.

[0126] The first guide member 36 and the second guide member 37 are arranged along the first axis Z to form a two-layer motion guide structure intersecting the second rotation axis 302. Further, when viewed from the first axis Z, the second axis Y, and the third axis X, the first guide member 36 and the second guide member 37 have no overlapping parts.

[0127] Therefore, the optical path turning module 30 includes two layers of guiding components arranged along a first direction parallel to the incident direction of light, guiding the first movable component 32 to rotate around the first rotation axis 301, and guiding the second movable component 34 to drive the first movable component 32 to rotate around the second rotation axis 302, so that the optical path turning component 31 can perform pitch motion and yaw motion, realizing anti-shake in two directions.

[0128] The first guide member 36 closer to the optical path turning member 31 is used to guide the optical path turning member 31 to perform pitch motion, and the second guide member 37 closer to the base 20 is used to guide the optical path turning member 31 to perform yaw motion, so that the pitch motion and yaw motion can be performed simultaneously, and anti-shake in two directions can be achieved at the same time, thereby enhancing the image stabilization effect.

[0129] In addition, the first guiding member 36 and the second guiding member 37 are disposed in the space occupied by the optical path turning module 30 in the base 20 , so as to avoid additional occupation of other spaces of the base 20 and improve the utilization rate of the internal space.

[0130] In other words, the projection area of ​​the first guide member 36 and the second guide member 37 projected on the base 20 along the first direction is located within the projection area of ​​the first movable member 32 projected on the base 20 along the first direction. Further, the projection area of ​​the second movable member 34 projected on the base 20 along the first direction is located within the projection area of ​​the first movable member 32 projected on the base 20 along the first direction, so that the anti-shake structure (including the movable structure and the guide structure) of the optical path turning module 30 does not occupy additional space of the base 20, thereby improving the internal space utilization of the base 20. Such a design can also use the internal space of the base 20 as much as possible to set a larger optical path turning module 30 according to design requirements.

[0131] Specifically, the second guide member 37 supports the second movable member 34 , and a second movement gap 3701 is formed between the second movable member 34 and the base 20 , so that the second movable member 34 can move relative to the base 20 .

[0132] The second movable member 34 has a second side surface 3412, and the first side surface 3411 and the second side surface 3412 are opposite to each other. The second side surface 3412 is provided with a second receiving groove 3413. The base 20 is provided with a third receiving groove 2141. The second guide member 37 is assembled in the third receiving groove 2141. A second movable space 370 is formed between the inner wall surfaces defining the second receiving groove 3413 and defining the third receiving groove 2141.

[0133] The portion of the second guide member 37 located in the second accommodating groove 3413 is abutted against the inner wall surface defining the second accommodating groove 3413 along the second axis Y, and the portion of the second guide member 37 located in the third accommodating groove 2141 is abutted against the inner wall surface defining the third accommodating groove 32141 along the second axis Y. Therefore, when the second guide member 37 is located in the second movable space 370, it is restricted from producing translational movement along the second axis Y, so that the translational movement of the second movable member 34 along the second axis Y is restricted.

[0134] Preferably, the second movable space 370 defines at least one arc-shaped groove in a plane orthogonal to the second rotation axis 302, and the arc-shaped groove is distributed along the circumferential direction around the second rotation axis 302. The second guide member 37 moves along the arc-shaped groove. When the second driving mechanism 35 drives the first movable member 32, the second movable member 34 is driven, and the second guide member 37 moves along the arc-shaped groove, thereby guiding the second movable member 34 to carry the first movable member 32 to move along the arc-shaped groove, so that the optical path turning member 31 rotates around the second rotation axis 302.

[0135] Specifically, the second receiving groove 3413 forms a first arc-shaped groove extending in an arc shape in the XY plane, and the first arc-shaped groove extends around the first axis Z and along the third axis X in a curved manner.

[0136] The second driving mechanism 35 generates a driving force along the third axis X, driving the first movable component 32 to move along the third axis X, the second movable component 34 moves together with the first movable component 32, and the second guide component 37 moves around the first axis Z along the first arc-shaped groove, thereby making the second movable component 34 carry the first movable component 32 and the optical path turning component 31 to rotate around the first axis Z.

[0137] The number of the third receiving grooves 2141 is one or more, and preferably, the plurality of third receiving grooves 2141 are distributed around the first axis Z. The plurality of third receiving grooves 2141 are distributed around the first axis Z along the circumference of the same circle. The center of the circle defined by the first arc-shaped channel of the second receiving groove 3413 and the center of the circle defined by the circumferential distribution track of the plurality of third receiving grooves 2141 are aligned along the first axis Z.

[0138] In other words, when viewed from the first axis Z direction, the center and circumference of the circle defined by the first arc-shaped groove and the circle defined by the distribution trajectories of the plurality of third accommodating grooves 2141 overlap.

[0139] In some examples of the present application, the second guide member 37 is implemented as a ball, and the ball assembled in the third receiving groove 2141 is abutted against the surface defining the third receiving groove 2141 along the second axis Y and the third axis X. The ball rolls in the third receiving groove 2141 and slides relative to the second receiving groove 3413, so the ball rolls and guides the second movable member 34 to generate a rotational motion around the first axis Z according to the trajectory shape of the first arc-shaped groove.

[0140] Furthermore, the third receiving groove 2141 includes at least one first groove 2141A and at least one second groove 2141B, each of which is suitable for accommodating at least one second guide member 37 .

[0141] The second guide member 37 in the first groove 2141A is abutted against the inner wall surface defining the first groove 2141A along the second axis Y and the third axis X, so that the translational movement of the second guide member 37 in the first groove 2141A along the second axis Y and the third axis X is restricted.

[0142] The second guide member 37 located in the second groove 2141B is abutted against the inner wall surface defining the second groove 2141B along the second axis Y to limit the translational movement of the second guide member 37 along the second axis Y. The second groove 2141B extends a certain length along the third axis X, suitable for the second guide member 37 to move a certain distance along the second groove 2141B.

[0143] Further, the second groove 2141B is distributed in an arc shape around the first axis Z to form a second arc groove. When viewed from the first axis Z direction, the center and circumference of the circle defined by the first arc groove overlap with the circle defined by the second arc groove, and the second arc groove overlaps with a portion of the first arc groove. Further, the second arc groove is located within the projection of the first arc groove in the first direction.

[0144] The second guide member 37 in the second groove 2141B moves along the second arc groove around the first axis Z and slides relative to the second groove 2141B to guide the second movable member 34 to rotate around the first axis Z, thereby driving the first movable member 32 to carry the optical path turning member 31 to rotate around the first axis Z. The second guide member 37 in the first groove 2141A rolls to reduce friction and assist the rotation of the second movable member 34.

[0145] That is to say, a first arc-shaped groove and a second arc-shaped groove distributed in two layers along the first axis Z are formed between the second movable component 34 and the base 20, so as to allow the second guide component 37 to slide, thereby improving the flexibility of the movement of the second guide component 37 and making the yaw anti-shake movement of the optical path turning module 30 around the first rotation axis more flexible.

[0146] In a specific embodiment of the present application, the second guide member 37 is implemented as a ball, and the number is implemented as at least three, wherein at least one ball is assembled in the second groove 2141A, and at least one ball is assembled in the second groove 2141B. When viewed from the first axis Z, the second axis Y, and the third axis X, there is no overlapping portion between the at least three balls.

[0147] In a specific embodiment of the present application, the third receiving groove 2141 is formed by being recessed from the surface of the boss 214 in the direction of the bottom wall 213 of the base 20 along the first axis Z. The boss 214 has a certain thickness to allow for the formation of the groove.

[0148] According to another aspect of the present application, Figures 9 to 11 , describing the implementation of the camera module and the lens module 40 thereof. The lens module 40 is disposed on the exit side of the optical path turning module 30 along the second axis Y, and receives the light emitted from the optical path turning module 30.

[0149] like Fig. 9 As shown, the lens module 40 includes a lens carrier 41 and a lens 42 . The lens 42 is installed in the lens carrier 41 . The lens carrier 41 carries the lens 42 to move for zooming and / or focusing.

[0150] The lens carrier 41 includes a carrier portion 411 and a mounting portion 412 opposite thereto. The carrier portion 411 is adapted to accommodate the lens 42. The mounting portion 412 and the base 20 are adjacent to each other along the third axis X. The lens 42 may include a plurality of lenses. Light emitted from the optical path turning module 30 passes through these lenses and reaches the photosensitive module. The lens module 40 further includes a lens guide member 43. The lens guide member 43 is assembled to the base 20 to support the lens carrier 41 to carry the lens 42 for movement.

[0151] The lens module 40 further includes a lens driving mechanism 44, which drives the lens carrier 41 to carry the lens 42 to move. The lens driving mechanism 44 is disposed on at least one side of the lens carrier 41 along the third axis X. In one example of the present application, the lens driving mechanism 44 is disposed on one side of the lens carrier 41 along the third axis X, that is, the lens driving mechanism 44 is disposed on one side.

[0152] The lens driving mechanism 44 includes a lens actuating unit 441 and a lens transmission unit 442, which are adjacently mounted on the lens carrier 41 and the base 20 along the third axis X, one of which is mounted on the lens carrier 41, and the other of which is mounted on the base 20. Schematically, the lens actuating unit 441 is mounted on the base 20, and the lens transmission unit 442 is mounted on the mounting portion 412 of the lens carrier 41.

[0153] In one embodiment of the present application, one of the lens actuation unit 441 and the lens transmission unit 442 is implemented as a coil, and the other is implemented as a magnet, so as to generate a Lorentz force through the interaction of a magnetic field and an electric current to drive the movement of the lens carrier 41. In other embodiments of the present application, the lens actuation unit 441 and the lens transmission unit 442 may be implemented as a piezoelectric drive mechanism.

[0154] The second portion 22 of the base 20 is mounted with the lens module 40, and includes second portion side walls 221 opposite along the third axis X and a second portion bottom wall 222 distributed along the XY plane. The lens guide member 43 is assembled to the second portion bottom wall 222 of the base 20, and supports the lens module 40 along the first axis Z direction.

[0155] The lens carrier 41 is provided with a first guide groove 410, which is formed at the bottom of the lens carrier 41 and is opposite to the bottom wall of the base 20. Furthermore, at least two first guide grooves 410 are respectively formed at the bottom of the mounting parts 412 on both sides, that is, the first guide grooves 410 are respectively defined at the bottom of the first mounting parts 412 on both sides.

[0156] The bottom wall 222 of the base 20 is provided with a second guide groove 220, which is suitable for assembling the lens guide member 43. Further, at least two second guide grooves 220 are distributed along the third axis X on the second part of the bottom wall 222 of the base 20 to respectively cooperate with the first guide grooves 410 on both sides of the lens carrier 41 to define a third movable space 430.

[0157] The lens guide member 43 located in the third movable space 430 is abutted against the inner wall surface defining the first guide groove 410 and the inner wall surface defining the second guide groove 220 along the third axis X, limiting the translational movement of the lens guide member 43 along the third axis X. The lens guide member 43 is abutted against the surface defining the second guide groove 220 along the second axis Y, limiting the translational movement of the lens guide member 43 in the second guide groove 220 along the second axis Y. The first guide groove 410 has a track extending along the second axis Y, so that relative movement along the second axis Y can be generated between the lens guide member 43 and the first guide groove 410.

[0158] Alternatively, the lens guide member 43 is abutted against a surface defining the first guide groove 410 along the second axis Y, limiting the translational movement of the lens guide member 43 in the first guide groove 410 along the second axis Y. The second guide groove 220 has a track extending along the second axis Y, so that relative movement along the second axis Y can be generated between the lens guide member 43 and the second guide groove 220.

[0159] Therefore, the lens guiding member 43 guides the lens carrier 41 to move along the second axis Y to perform focusing and / or zooming, thereby realizing an AF function and / or optical zoom.

[0160] In a preferred embodiment of the present application, the lens guiding member 43 is implemented as a ball bearing, so that the lens carrier 41 and the base 20 are connected by rolling friction, and the friction force between the lens carrier 41 and the base 20 is reduced by the ball bearing.

[0161] Further, in one embodiment, the number of balls is implemented as three, one ball is provided on one side, and two balls are provided on the other side. Among them, two balls can be provided on the side close to the lens driving mechanism 44, and one ball is provided on the other side. In one embodiment, the number of balls is implemented as more than three. It is understood that the specific number of balls can be specifically designed according to needs.

[0162] In one embodiment of the present application, the base 20 is provided with a second portion boss 223 , which protrudes relative to the second portion bottom wall 222 and extends along the first axis Z and is distributed in the XY plane. The second receiving groove 220 is formed on the second portion boss 223 .

[0163] The base 20 further includes a stopper member 224, which limits the movement distance of the lens carrier 41 along the second axis Y. The stopper member 224 includes a metal portion 2241 and a buffer portion 2242, wherein the metal portion 2241 extends along the second axis Y and is located at the top of the second portion sidewall 221 on the first axis Z. There are at least two buffer portions 2242, which are relatively distributed on the metal portion 2241 along the second axis Y, and there is a certain interval between the two buffer portions 2242, so as to be adjacent to the two ends of the lens carrier 41 formed along the second axis Y, respectively.

[0164] The number of the stopper member 224 can be one, which is distributed on one side of the lens carrier 41, or at least two, which are opposite to each other along the third axis X and distributed on both sides of the lens carrier 41 on the third axis X. At least two of the stopper members 224 are installed on the top of the second part side wall 221 on the first axis Z.

[0165] The lens carrier 41 can be driven by the lens driving mechanism 44 to move along the second axis Y in two directions, such as moving along the second axis Y toward the side of the optical path turning module 30 , and moving along the second axis Y toward the side of the photosensitive module.

[0166] The buffer portion 2242 extends and is distributed on at least one side of the lens carrier 41 along the second axis Y, and plays a role in limiting the position of the lens carrier 41. The buffer portion 2242 limits the movement distance of the lens carrier 41 in at least one movement direction on the second axis Y, such as the unidirectional movement distance along the second axis Y. At least two buffer portions 2242 are provided to limit the movement distance of the lens carrier 41 in two movement directions on the second axis Y, such as the bidirectional movement distance along the second axis Y. When viewed from the direction of the second axis Y, there is an overlapping portion between the buffer portion 2242 and the lens carrier 41.

[0167] In other examples of the present application, the lens carrier 41 can be moved to perform optical image stabilization.

[0168] The camera module further includes a circuit assembly 50 , which is suitable for electrically connecting to an external circuit to supply power to the camera module. The circuit assembly 50 includes a circuit board 51 , which is mounted on the base 20 .

[0169] Reference Figure 3 As shown in the figure, the circuit board 51 is installed on the base 20 around the side wall of the base 20. The circuit board 51 is distributed on the outside of the optical path turning module 30 around the first axis, and is adjacent to the driving mechanism of the optical path turning module 30, and can provide power for the driving mechanism. Further, when the first actuating unit 331 and the second actuating unit 352 of the first driving mechanism 33 and the second driving mechanism 35 are implemented as coils, they are installed on the side wall of the base 20 around the first axis Z, and the coil and the circuit board 51 are connected in circuit, and the circuit board 51 is arranged on the outside of the side wall around the side wall of the base 20, and is located on the outside of the coil.

[0170] The corresponding circuit assembly 50 is assembled according to the split or integrated design of the first part 21 and the second part 22 of the base 20, and a split circuit board 51 or an integrated circuit board 51 is set in the first part 21 and the second part 22 to supply power to the optical path turning module 30 assembled in the first part 21 and the lens module 40 assembled in the second part 22.

[0171] The circuit board 51 is also formed on the second part sidewalls 221 of the second part 22 of the base 20 on two opposite sides along the third axis X. The circuit board 51 is connected to the lens driving mechanism 44. When the lens actuating unit 441 and the lens transmission unit 442 of the lens driving mechanism 44 are correspondingly implemented as a coil and a magnet, the coil is installed on the second part sidewall 221, and the circuit board 51 is formed on the outside of the coil and connected to the coil circuit. When the coil is energized, the current and the magnetic field of the magnet interact to generate the Lorentz force, which drives the lens carrier 41 to move.

[0172] Similarly, the circuit board 51 is also formed on the third portion side wall 231 of the third portion 23 of the base 20 to supply power to the photosensitive module assembled on the third portion 23 .

[0173] The circuit assembly 50 further includes a reinforcing plate 52, which is disposed on the outer surface of the circuit board 51. Further, the reinforcing plate 52 is mounted on the side wall of the base 20 around the first axis Z, and is located on the outer surface of the circuit board 51; or, a plurality of reinforcing plates 52 are respectively disposed on the side walls of the base 20 in different directions, and are located on the surfaces of the circuit board 51 opposite to each other along the third axis X and on the surface extending along the second axis Y.

[0174] According to one aspect of the present application, the guiding members described in the present application (the first guiding member 36, the second guiding member 37 and the lens guiding member 43) are used to guide the movement of the corresponding movable members (the first movable member 32, the second movable member 34 and the lens carrier 41), which are suitable for moving or deforming under the action of force to achieve motion guidance, and can be implemented as a rolling part, such as a spherical member, a cylindrical member, or as a sliding member, such as a slider, or as an elastic member, such as a spring.

[0175] According to another aspect of the present invention, the camera module further includes a traction member 38, which is disposed on the optical path turning module 30 and the base 20 along the first axis Z to generate traction along the first axis Z to pull the optical path turning module 30 to the base 20. The optical path turning module 30 is pressed toward the base 20 along the first axis Z.

[0176] Specifically, the traction member 38 includes a first traction member 381 and a second traction member 382, ​​wherein the first traction member 381 is disposed on the optical path turning module 30, and the second traction member 382 is disposed on the bottom wall 213 of the base 20, and is located in the extension direction of the first traction member 381 along the first axis Z. The first traction member 381 and the second traction member 382 generate traction along the first axis Z, so that the first movable frame 32 is pulled toward the base 20 along the first axis Z, and the base 20 supports the first movable member 32 along the first axis Z, and the second movable member 34 is clamped between the base 20 and the first movable member 32.

[0177] Furthermore, combined with FIG. 6C to FIG. 7B As shown in FIG. 3 , a first traction member 381 is disposed at the bottom 324 of the first movable member 32. Preferably, the first traction member 38 is disposed at the positioning column 3242, such as a groove is formed in the positioning column 3242 for receiving the first traction member 38, or the first traction member 38 is built into the positioning column 3242. A second traction member 382 is disposed at a position corresponding to the bottom wall 213, such as a groove is formed in the boss 214 for receiving the second traction member 382. Therefore, by utilizing the design structure of the optical path turning module 30 and the base 20, the traction member 38 is disposed inside, thereby avoiding additional design and increasing the size, and facilitating assembly.

[0178] Specifically, refer to Figure 6CAs shown in the figure, the positioning column 3242 is provided with a receiving groove to receive the first traction member 381. The positioning column 3242 is located in the extension direction of the second rotation axis 302, and the positioning hole 3410 is located in the extension direction of the second rotation axis 302, and is adjacent to the positioning column 3242 along the second rotation axis 302. The first traction member 381 and the second traction member 382 are arranged opposite to each other along the second rotation axis 302. After the first movable member 32 and the second movable member 34 move, the first movable member 32 and the second movable member 34 can be pulled back to the initial position by the traction force, and kept centered with the second rotation axis 302 as the central axis.

[0179] The traction mechanism 38 is arranged on the inner side of the optical path turning module 30, and the driving mechanism of the optical path turning module 30 (including the first driving mechanism 33 and the second driving mechanism 35) is arranged on the outer side or outer surface of the optical path turning module 30 to avoid mutual interference between the traction mechanism 38 and the driving mechanisms 33 and 35, and to prevent the traction mechanism from interfering with the image correction process.

[0180] Similarly, a mutually attractive traction member is provided between the lens module 40 and the base 20, such as Fig. 9 As shown, a third traction member 45 is provided on the bottom wall of the base 20. A fourth traction member (not shown) is provided at the bottom of the lens carrier 41. The third traction member 45 and the fourth traction member are adjacent to each other on the first axis Z, generating an attraction force parallel to the first axis Z, so that the lens carrier 41 is attracted toward the base 20 along the first axis Z. The lens module 40 is configured to be pressed toward the base 20 along the first axis Z.

[0181] Among them, one of the first traction member 381 and the second traction member 382 can be implemented as a magnetic magnet, and the other can be implemented as a yoke, so as to interact with each other to generate traction; one of the third traction member 45 and the fourth traction member can be implemented as a magnetic magnet, and the other can be implemented as a yoke, so as to interact with each other to generate traction. In other examples of the present application, the aforementioned traction member can be implemented as an elastic member such as a tension spring.

[0182] According to another aspect of the present invention, in some examples of the present application, the transmission unit of the driving mechanism is implemented as a magnet, and a magnetic component 39 can be arranged near the magnet to enhance the magnetic field of the magnet. Figure 6C As shown, the first transmission unit 332 is implemented as a magnet, and the magnetic component 39 is arranged on one side of the magnet to enhance the magnetic field of the magnet. Further, the magnetic component 39 can be built into the first movable member 32, such as being built into the first movable member 32 when the first movable member 32 is manufactured by a molding process.

[0183] According to another aspect of the present invention, in some examples of the present application, the camera module also includes a position sensing component for sensing the displacement of the telephoto camera module to control the displacement of the optical path turning module 30 and improve the anti-shake effect. For example, when the transmission unit of the driving mechanism is implemented as a magnet, the actuating unit is implemented as a coil, the magnet is installed on the first movable component 32, and the coil is installed on the base 20, the transmission unit can be used as a driving magnet and a position sensing magnet at the same time, and a position sensor is set at the coil. The magnet moves with the first movable component 32, and the position sensing magnet can detect the offset of the optical path turning module 30, so that the controller can control the driving mechanism to correct the position of the optical path turning module 30 to achieve anti-shake in two directions.

[0184] The position sensing component further includes a driver integrated circuit (IC) for providing a driving control signal to the coil. For example, the driver integrated circuit is disposed on the circuit board 51 or near the coil. The coil may be a coil of the first driving mechanism 33 and / or the second driving mechanism 35.

[0185] The lens driving mechanism 44 of the lens module 40 may also have a position sensing function, and a closed-loop control is achieved by setting a position sensor. For example, a Hall sensor and a driver integrated circuit (IC) are set to detect and feedback the displacement of the lens module 40.

[0186] In addition, refer to the attached Figure 8 and Fig. 9 In one example of the present application, the base 20 is implemented as an integrated structure, the first part 21, the second part 22 and the third part 23 are integrally formed, and the base 20 further includes a spacer 24 to space the first part 21 and the second part 22, and the second part 22 and the third part 23. The spacer 24 includes a first spacer 241 and a second spacer 242, the first spacer 241 is formed between the first part 21 and the second part 22, and the second spacer 242 is formed between the second part 22 and the third part 23.

[0187] Furthermore, the ends of the first side walls 211 opposite to each other on the third axis X and extending along the second axis Y are bent and extended a certain distance toward the third axis X to form two first spacers 241 opposite to each other along the third axis X. The first spacers 241 are formed between the optical path turning module 30 and the lens module 40 along the second axis Y. The light emitted from the optical path turning module 30 passes through the space between the first spacers 241 along the second axis Y and is incident from the lens module 40.

[0188] Similarly, the ends of the second portion of the side wall 221 extending along the second axis Y and opposite to the third axis X are bent and extended a certain distance toward the third axis X to form two second spacers 241. The second spacers 241 are formed between the lens module 40 and the photosensitive module along the second axis Y. The light emitted from the lens module 40 passes through the space between the second spacers 241 to reach the photosensitive module.

[0189] The side wall of the base 20 forms a third portion side wall 231 at the third portion 23, and extends from the end of the second portion side wall 221 opposite to each other along the third axis X along the second axis Y to form two third portion side walls 231 opposite to each other along the third axis X. A photosensitive module receiving space 230 is defined between the third portion side walls 231 for assembling the photosensitive module.

[0190] Further, the third portion 23 forms a window sidewall 232, and the window sidewall 232 surrounds and defines at least one window 2300. The window sidewall 232 is formed on the light incident side of the third portion 23, surrounds the second axis Y, and extends along the first axis Z and the third axis X to define the window 2300. The window 2300 is orthogonal to the second axis Y. At least a portion of the photosensitive chip (not shown in the figure) of the photosensitive module is exposed at the window 2300 to receive light emitted from the lens module 40. The portion of the photosensitive chip exposed at the window 2300 is the imaging area, and the other portion is blocked by the window sidewall 232. The photosensitive chip is orthogonal to the second axis Y.

[0191] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with the technical features with similar functions disclosed in this application (but not limited to) by each other.

Claims

1. A lens module, characterized in that: include: Lens; A lens carrier, wherein the lens is installed in the lens carrier, and the lens carrier carries the lens to move translationally along a second axis Y; A lens driving mechanism, wherein the lens driving mechanism drives the lens carrier to carry the lens to move; A base, the base comprising a second portion adapted to receive the lens module and a stop member, the stop member being located on a top of the second portion to limit a movement distance of the lens carrier along a second axis Y; Among them, the stopping member includes a metal part and a buffer part, the metal part extends along the second axis Y, and the number of the buffer parts is at least two, which are relatively distributed along the second axis Y with respect to the metal part so as to be adjacent to both ends of the lens carrier formed along the second axis Y respectively.

2. The lens module according to claim 1, characterized in that: There are two stopper components, which are relatively distributed on the metal part along the second axis Y, and there is a certain interval between the two buffer parts.

3. The lens module according to claim 1, characterized in that: The lens module further includes a lens guiding member, which is assembled between the base and the lens carrier and supports the lens carrier to carry the lens to move.

4. The lens module according to claim 3, characterized in that: The lens carrier is provided with a first guide groove, which is formed at the bottom of the lens carrier and is opposite to the bottom wall of the base. The bottom wall of the base is provided with a second guide groove. The first guide groove and the second guide groove cooperate to define a third movable space. The lens guide member located in the third movable space is abutted against the inner wall surface defining the first guide groove and the inner wall surface defining the second guide groove along the third axis X, and is abutted against the surface defining the second guide groove along the second axis Y. The first guide groove has a track extending along the second axis Y, or the lens guide member is abutted against the surface defining the first guide groove along the second axis Y, and the second guide groove has a track extending along the second axis Y.

5. The lens module according to claim 3, characterized in that: The bottom of the lens carrier is provided with at least two first guide grooves parallel to the second axis Y and relatively distributed along the third axis X, and the base is provided with at least two second guide grooves, and the inner wall surfaces of at least one of the first guide grooves and the at least one second guide groove define at least one third movable space for accommodating the lens guiding member.

6. The lens module according to claim 1, characterized in that: The base is provided with a third traction member, and the bottom of the lens carrier is provided with a fourth traction member. The third traction member and the fourth traction member are adjacent to each other on the first axis Z, generating an attraction parallel to the first axis Z, so that the lens carrier is attracted toward the base along the first axis Z.

7. The lens module according to claim 1, characterized in that: The lens driving mechanism is arranged on at least one side of the lens carrier along a third axis X, and the lens driving mechanism includes a lens actuating unit and a lens transmission unit, and the lens actuating unit and the lens transmission unit are adjacently assembled on the lens carrier and the base along the third axis X, and the lens actuating unit and the lens transmission unit are correspondingly implemented as a coil and a magnet, or, the lens actuating unit and the lens transmission unit are implemented as a piezoelectric driving mechanism.

8. A camera module, characterized in that: include: The lens module as claimed in any one of claims 1 to 7; An optical path turning module, which turns the light incident along the first axis Z into the light emitted along the second axis Y; The photosensitive module, the optical path turning module, the lens module and the photosensitive module are assembled on the base along the second axis Y, the light emitted from the optical path turning module is incident from the lens module along the second axis Y, and the light emitted from the lens module reaches the photosensitive module.

9. The camera module according to claim 8, characterized in that: The optical path turning module comprises: An optical path turning component, wherein the optical path turning component turns the light incident along the first axis Z into the light emitted along the second axis Y; A first movable component, the first movable component carrying the optical path turning component; a second movable member, the first movable member and the second movable member being movably mounted on the base along the first axis Z; a first guiding member, guiding the first movable member to carry the optical path turning member to rotate around a first rotation axis perpendicular to the first axis Z and the second axis Y; and a second guiding member, guiding the second movable member to carry the first movable member and the optical path turning member to rotate around a second rotation axis parallel to the first axis Z; Wherein, the second movable member has at least one first accommodating groove and at least one second accommodating groove arranged along the first axis Z and in opposite directions, which are respectively suitable for accommodating the first guide member and the second guide member, the first guide member rolls in at least one of the first accommodating grooves, and the second guide member slides relative to the second accommodating groove.

10. The camera module according to claim 9, characterized in that: At least two of the first receiving grooves are symmetrically distributed on both sides of the second rotation axis, and the inner wall surfaces relative to at least one direction orthogonal to the second rotation axis of at least one of the first receiving grooves have an angle inclined relative to the second rotation axis, and the first guide member is abutted against the inclined extending inner wall surface defining the first receiving groove to perform a rolling motion; the two end boundaries of at least one of the first receiving grooves in a direction parallel to the first rotation axis are respectively defined by at least one inclined extending inner wall surface, and the two end boundaries of at least another of the first receiving grooves in a direction parallel to the first rotation axis are respectively defined by at least one inner wall surface extending in a direction parallel to the second rotation axis.

Images