Reflection module, manufacturing method of support of reflection module and camera module

Abstract

The invention discloses a reflection module, a manufacturing method of a support of the reflection module and a camera module, and the reflection module comprises a carrier which is used for bearing a reflection element; the support is fixedly connected to the carrier and comprises a first supporting part, a second supporting part and a side part which are integrally connected, the first supporting part extends in a plane perpendicular to the first direction, the second supporting part extends in a plane perpendicular to the second direction, and the side part extends in a plane parallel to the first direction and the second direction; the first supporting part is used for bearing a first lens, and the second supporting part is used for bearing a second lens, so that the reflecting element is arranged between the first lens and the second lens; the reinforcing piece is integrally formed on the support and comprises a first reinforcing part and a second reinforcing part, the first reinforcing part is at least partially embedded in the first supporting part and extends in a plane perpendicular to the first direction, and the second reinforcing part is at least partially embedded in the side part and extends in a plane parallel to the first direction and the second direction.

Description

Technical Field

[0001] The present invention relates to the technical field of camera modules, and in particular to a manufacturing method of a reflection module and a bracket thereof, and a camera module. Background Art

[0002] The camera module is an indispensable part of mobile electronic devices. With the further development of camera module technology, users' demands for camera modules are becoming more and more refined. Periscope camera modules usually need to realize complex light turning and reflection in a limited space to achieve high-magnification zoom function. Therefore, the stability and reliability of the reflection module are crucial to the performance of the entire periscope camera module. If the bracket of the reflection module is easily deformed when subjected to external force, it will affect the focus, refraction angle and final imaging quality of the light.

[0003] In the related art, the reflective module of the periscope camera module usually adopts an L-shaped plastic bracket, but the structural strength of the plastic bracket is low. When the periscope camera module is subjected to external force, the plastic bracket is prone to deformation or even damage, thereby affecting the imaging quality of the periscope camera module. In addition, the plastic bracket is prone to shrinkage deformation during the injection molding process, which not only affects the assembly accuracy of the reflective module, but also may cause deviations in the light propagation path, thereby making it difficult to assemble the camera module, low production efficiency, and reducing the imaging quality of the camera module. Summary of the invention

[0004] An object of the present invention is to provide a reflection module, wherein the support thereof has a high structural strength, which is conducive to resisting external forces, reducing the risk of deformation of the support, and improving the stability and reliability of the reflection module.

[0005] Another object of the present invention is to provide a method for manufacturing a bracket, which is used to manufacture the bracket of the above-mentioned reflection module.

[0006] Another object of the present invention is to provide a camera module having the above-mentioned reflection module.

[0007] To achieve at least one of the above purposes, the technical solution adopted by the present invention is: a reflection module, comprising: a carrier, used to carry a reflection element, the reflection element is used to reflect light propagating along a first direction to propagate along a second direction; a bracket, fixedly connected to the carrier, the bracket comprising a first support portion, a second support portion and a side portion connected in one piece, the first support portion extends in a plane perpendicular to the first direction, the second support portion extends in a plane perpendicular to the second direction, and the side portion extends in a plane parallel to the first direction and the second direction to connect and support the first support portion and the second support portion, wherein the first support portion is used to carry a first lens, and the second support portion is used to carry a second lens, so that the reflection element is arranged between the first lens and the second lens; a reinforcement member, integrally formed with the bracket, wherein the reinforcement member comprises a first reinforcement portion and a second reinforcement portion, the first reinforcement portion is at least partially embedded in the first support portion and extends in a plane perpendicular to the first direction, the second reinforcement portion is bent from the first reinforcement portion along the first direction and extends in a plane parallel to the first direction and the second direction, and the second reinforcement portion is at least partially embedded in the side portion.

[0008] Preferably, the side portion includes a first side portion and a second side portion spaced apart along a third direction to connect and support the first supporting portion and the second supporting portion on opposite sides along the third direction, the second reinforcing portion includes a first side portion and a second side portion extending in a plane perpendicular to the third direction, the first side portion and the second side portion are respectively integrally connected to the first reinforcing portion, the first side portion is at least partially embedded in the first side portion, and the second side portion is at least partially embedded in the second side portion, wherein the first direction, the second direction and the third direction are perpendicular to each other.

[0009] As a preference, a connecting portion is defined at the intersection of the first supporting portion and the second supporting portion; the first supporting portion includes a first crossbeam, and a first side beam and a second side beam respectively connected to the first crossbeam, the first crossbeam and the connecting portion are spaced apart along a second direction, the first crossbeam, the first side beam, the connecting portion and the second side beam are sequentially connected to form a first mounting cavity, the first mounting cavity extends in a plane perpendicular to the first direction, and the first lens is disposed in the first mounting cavity; the first reinforcing portion includes a first frame and a second frame spaced apart along the second direction, the first frame is at least partially embedded in the first crossbeam, and the second frame is at least partially embedded in the connecting portion.

[0010] Preferably, the first skeleton integrally connects the first side portion and the second side portion, the second skeleton integrally connects the first side portion and the second side portion, and the first side portion and the second side portion bend and extend along a first direction from a plane where the first skeleton and the second skeleton are located.

[0011] Preferably, at least a portion of the first frame is exposed from the first crossbeam, and the portion of the first frame exposed from the first crossbeam extends along the second direction toward the first installation cavity and forms an edge of the first installation cavity.

[0012] Preferably, the first beam extends along a first direction and is fixed to the carrier, the thickness of the first skeleton along the first direction is smaller than the thickness of the first beam along the first direction, the portion of the first skeleton exposed to the first beam forms a receiving space with the first beam, the reflective element includes a first end close to the first supporting portion and a second end close to the second supporting portion, and the first end of the reflective element extends into the receiving space.

[0013] Preferably, both the first side portion and the second side portion include a hollow area, the first side portion passes through the hollow area of ​​the first side portion, and the second side portion passes through the hollow area of ​​the second side portion.

[0014] Preferably, the first side portion and the second side portion respectively include positioning protrusions, and the positioning protrusions extend from the first side portion and the second side portion along a third direction; the carrier includes a first carrier side wall and a second carrier side wall corresponding to the first side portion and the second side portion, respectively, and the first carrier side wall and the second carrier side wall are respectively provided with positioning grooves, and the positioning grooves are suitable for accommodating the positioning protrusions so as to adjust the relative positions of the bracket and the carrier during assembly.

[0015] Preferably, the reinforcement also includes a third reinforcement portion extending in a plane perpendicular to the second direction, and the third reinforcement portion is at least partially embedded in the second support portion, wherein the plane where the third reinforcement portion is located is perpendicular to the plane where the first reinforcement portion is located, and the plane where the third reinforcement portion is located is perpendicular to the plane where the second reinforcement portion is located.

[0016] Preferably, the second supporting portion includes a second crossbeam, and a third side beam and a fourth side beam respectively connected to the second crossbeam, the second crossbeam and the connecting portion are spaced apart along the first direction, the second crossbeam, the third side beam, the connecting portion and the fourth side beam are sequentially connected to form a second mounting cavity, the second mounting cavity extends in a plane perpendicular to the second direction, and the second lens is disposed in the second mounting cavity; the third reinforcement portion is at least partially embedded in the third side beam and / or the fourth side beam.

[0017] Preferably, the third reinforcement portion is integrally connected to the first side portion and the second side portion, and the third reinforcement portion is bent and extended along a third direction from a plane where the first side portion and the second side portion are located.

[0018] Preferably, the third reinforcement portion is integrally connected to the second frame, and the third reinforcement portion is bent and extends along a first direction from a plane where the second frame is located.

[0019] As a preference, the reflection module further comprises a reflection layer, the reflection layer is covered on the outer surface of the reinforcement member exposed to the bracket, and the reflection layer is made of low-reflection material.

[0020] In order to achieve at least one of the above purposes, the technical solution adopted by the present invention is: a method for manufacturing a bracket, which is used to manufacture a bracket of a reflection module as described above, comprising the following steps: a. Provide a metal strip, wherein the metal strip comprises a plurality of reinforcing members, wherein the reinforcing members comprise a first reinforcing portion and a second reinforcing portion, wherein the second reinforcing portion is bent from the first reinforcing portion along a first direction; b. implanting the metal strip into a mold, and performing injection molding on the first reinforcement part and the second reinforcement part, so that the masterbatch covers at least a portion of the first reinforcement part and at least a portion of the second reinforcement part, so as to form a plurality of brackets, wherein the bracket comprises a first support part, a second support part and a side part which are integrally connected, the first support part covers at least a portion of the first reinforcement part, and the side part covers at least a portion of the second reinforcement part; c. Cut the bracket and the metal strip to separate the brackets and ensure that each bracket is embedded with the reinforcement.

[0021] Preferably, the manufacturing method further includes step a1, wherein the reinforcement member further includes a third reinforcement portion, wherein the third reinforcement portion is connected to the first reinforcement portion and bent from the first reinforcement portion along a first direction and / or connected to the second reinforcement portion and bent from the second reinforcement portion along a third direction; and step b1, injection molding the first reinforcement portion, the second reinforcement portion and the third reinforcement portion so that the masterbatch covers at least a portion of the first reinforcement portion, at least a portion of the second reinforcement portion and at least a portion of the third reinforcement portion to form the bracket, wherein the second support portion covers at least a portion of the third reinforcement portion.

[0022] In order to achieve at least one of the above purposes, the technical solution adopted by the present invention is: a camera module, comprising: a reflection module as described in any one of the above; a lens module, the lens module is held on the light reflection path of the reflection module; a photosensitive module, the photosensitive module is configured to receive light and perform imaging; a base, the base has a accommodating cavity, the reflection module and the lens module are arranged in the accommodating cavity; and a shell, the shell cover is arranged on the base.

[0023] Compared with the prior art, the present invention has the following beneficial effects: (1) The first support portion, the second support portion and the side portion of the bracket are integrally connected, and the side portion can support the first support portion and the second support portion. Therefore, when the bracket is subjected to external force, the support of the side portion is conducive to reducing the risk of deformation of the first support portion and the second support portion. The first support portion and the second support portion can more reliably carry the first lens and the second lens, reduce the influence on the relative positions of the first lens, the reflective element and the second lens, and improve the stability and reliability of the reflective module.

[0024] (2) The first reinforcing portion of the reinforcing member is embedded in the first supporting portion, which is beneficial to improving the structural strength of the first supporting portion, so that the first supporting portion can more stably and reliably support the first lens; the second reinforcing portion of the reinforcing member is embedded in the side portion, which is beneficial to improving the structural strength of the side portion, so that the side portion can more reliably support the first supporting portion and the second supporting portion, which is beneficial to further reduce the risk of deformation of the first supporting portion and the second supporting portion, and further improve the stability and reliability of the reflection module. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic diagram of the three-dimensional structure of a reflection module according to some embodiments of the present application.

[0026] Figure 2 is an exploded diagram of a reflection module according to some embodiments of the present application.

[0027] Figure 3It is a schematic diagram of the three-dimensional structure of the bracket according to some embodiments of the present application.

[0028] Figure 4 It is a schematic diagram of the three-dimensional structure of a reinforcement member according to some embodiments of the present application.

[0029] Figure 5 is a cross-sectional view of a reflection module according to some embodiments of the present application.

[0030] Figure 6 is a cross-sectional view of a reinforcement member embedded in a bracket according to some embodiments of the present application.

[0031] Figure 7 It is a schematic diagram of the three-dimensional structure of reinforcement members according to other embodiments of the present application.

[0032] Figure 8 It is a schematic diagram of a three-dimensional structure in which a reinforcement member is embedded in a bracket according to some embodiments of the present application.

[0033] Fig. 9 It is a schematic diagram of the three-dimensional structure of a carrier according to some embodiments of the present application.

[0034] Fig.10 is a cross-sectional view of a camera module according to some embodiments of the present application.

[0035] In the figure: 1, reflection module; 10, carrier; 11, first carrier side wall; 12, second carrier side wall; 13, positioning groove; 20, bracket; 21, first support portion; 211, first installation cavity; 212, first crossbeam; 213, first side beam; 214, second side beam; 22, second support portion; 221, second installation cavity; 222, second crossbeam; 223, third side beam; 224, fourth side beam; 23, connecting portion; 24, side portion; 241, first side portion; 242, second side portion; 243, positioning protrusion; 25, accommodating space; 26, bracket edge; 30, reinforcement; 31, first reinforcement portion ;311, first skeleton;312, second skeleton;32, second reinforcement part;321, first side part;322, second side part;33, third reinforcement part;331, first vertical part;332, second vertical part;34, hollow area;35, cutting part;36, fixing part;37, reinforcement edge;41, reflecting element;411, first end;412, second end;42, first lens;43, second lens;2, camera module;50, lens module;51, first lens group;52, second lens group;60, photosensitive module;71, substrate;711, accommodating cavity;72, shell. DETAILED DESCRIPTION

[0036] The present invention is further described below in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0037] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and cannot be understood as limiting the specific scope of protection of the present invention.

[0038] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0039] The terms "including" and "having" and any variations thereof in the specification and claims of this application are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus comprising a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to these processes, methods, products or apparatuses.

[0040] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, a contact connection, or an indirect connection through an intermediate medium, and it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] A reflection module 1, such as Figure 1-Figure 9As shown, it includes a carrier 10, a bracket 20 and a reinforcement member 30. The carrier 10 is used to carry a reflective element 41, and the reflective element 41 is used to reflect the light propagating along the first direction to propagate along the second direction. The bracket 20 is fixedly connected to the carrier 10, and the bracket 20 includes a first support portion 21, a second support portion 22 and a side portion 24 that are integrally connected. The first support portion 21 extends in a plane perpendicular to the first direction, and the second support portion 22 extends in a plane perpendicular to the second direction. The connection portion 23 is defined at the intersection of the first support portion 21 and the second support portion 22. The side portion 24 extends in a plane parallel to the first direction and the second direction to connect and support the first support portion 21 and the second support portion 22. The first support portion 21 is used to carry a first lens 42, and the second support portion 22 is used to carry a second lens 43, so that the reflective element 41 is arranged between the first lens 42 and the second lens 43. The reinforcement 30 is integrally formed on the bracket 20, and the reinforcement 30 includes a first reinforcement portion 31 and a second reinforcement portion 32. The first reinforcement portion 31 is at least partially embedded in the first support portion 21 and extends in a plane perpendicular to the first direction. The second reinforcement portion 32 is bent from the first reinforcement portion 31 along the first direction and extends in a plane parallel to the first direction and the second direction. The second reinforcement portion 32 is at least partially embedded in the side portion 24.

[0042] It should be understandable that Figure 3 As shown, the first support portion 21, the second support portion 22 and the side portion 24 of the bracket 20 are integrally connected, and the side portion 24 is able to support the first support portion 21 and the second support portion 22. Further, when the bracket 20 is subjected to external force, due to the supporting effect of the side portion 24, the risk of deformation of the first support portion 21 and the second support portion 22 is reduced, and the first support portion 21 and the second support portion 22 are able to more reliably carry the first lens 42 and the second lens 43, thereby reducing the influence of external force on the relative positions of the first lens 42, the reflective element 41 and the second lens 43, and reducing the influence of external force on the shapes and optical properties of the first lens 42 and the second lens 43, thereby improving the stability and reliability of the reflective module 1.

[0043] Specifically, Figure 3As shown, during the assembly process and use of the camera module 2, the first support portion 21 of the bracket 20 of the reflective module 1 is susceptible to the force F1 along the first direction, and the second support portion 22 is susceptible to the force F2 along the second direction, and then the first support portion 21 and the second support portion 22 will have a tendency to rotate around the connecting portion 23 and relatively close to each other, and even deform. In other words, if there is no side portion 24 to play a supporting role, then under the condition that the bracket 20 is subjected to the forces F1 and F2, the first support portion 21 is difficult to remain in a plane perpendicular to the first direction, and the second support portion 22 is difficult to remain in a plane perpendicular to the second direction. Further, the first lens 42 carried by the first support portion 21 and the second lens 43 carried by the second support portion 22 will also rotate, move, and deform, and the actual relative positions of the first lens 42, the reflective element 41, and the second lens 43 will deviate from the preset ideal position, causing the propagation path of the light to deviate from the preset ideal path, and ultimately affecting the imaging quality of the camera module 2.

[0044] In this embodiment, if Figure 3 As shown, the side portion 24 can support the first support portion 21 and the second support portion 22. When the bracket 20 is subjected to the forces F1 and F2, the support force of the side portion 24 on the first support portion 21 and the second support portion 22 can counteract the forces F1 and F2, thereby helping to avoid the first support portion 21 and the second support portion 22 from rotating around the connecting portion 23 and getting relatively close. In other words, through the supporting effect of the side portion 24, it is helpful to keep the first support portion 21 in a plane perpendicular to the first direction, and it is helpful to keep the second support portion 22 in a plane perpendicular to the second direction. Further, the actual positions of the first lens 42, the reflective element 41 and the second lens 43 can be made to coincide with or approach to coincide with the preset ideal position, so that the propagation path of the light coincides with or approaches to coincide with the preset ideal path, thereby improving the stability and reliability of the reflective module 1, and thereby helping to improve the imaging quality of the camera module 2.

[0045] It should be understood that the force F1 along the first direction includes but is not limited to: the gravity of the first lens 42, the impact force of the shell 72 on the first support part 21 when the camera module 2 falls, and the external squeezing force; the force F2 along the second direction includes but is not limited to: the collision force of the lens module 50 on the second support part 22 when it moves, and the squeezing force between the second support part 22 and the lens module 50 during assembly.

[0046] It should be understood that the first reinforcement portion 31 of the reinforcement member 30 is embedded in the first support portion 21, which is beneficial to improving the hardness and structural strength of the first support portion 21, so that the first support portion 21 can more stably and reliably support the first lens 42; the second reinforcement portion 32 of the reinforcement member 30 is embedded in the side portion 24, which is beneficial to improving the hardness and structural strength of the side portion 24, so that the side portion 24 can more reliably support the first support portion 21 and the second support portion 22, which is beneficial to further reduce the risk of deformation of the first support portion 21 and the second support portion 22, and further improve the stability and reliability of the reflection module 1.

[0047] It is worth mentioning that the material of the reinforcement 30 includes but is not limited to: stainless steel, copper, aluminum alloy, titanium alloy, zinc alloy, etc. It should be understood that the material of the bracket 20 is plastic, and the shrinkage rate of plastic is usually higher than that of metal. If there is no reinforcement 30, the dimensional stability of the bracket 20 during the injection molding process is poor and it is easy to deform, which in turn affects the installation of the first lens 42 and the second lens 43. In addition, it may also affect the assembly accuracy between the bracket 20 and the carrier 10.

[0048] In this embodiment, the metal reinforcement 30 is embedded in the bracket 20, which is conducive to reducing the shrinkage and deformation of the bracket 20 during the injection molding process, thereby improving the dimensional stability and overall flatness of the bracket 20. Furthermore, the metal reinforcement 30 has higher processing accuracy. Under the condition that the bracket 20 is injection molded on the reinforcement 30, the bracket 20 can inherit the accuracy of the reinforcement 30, thereby improving the dimensional accuracy and flatness of the bracket 20, which is conducive to keeping the first support portion 21 in a plane perpendicular to the first direction, and is conducive to keeping the second support portion 22 in a plane perpendicular to the second direction.

[0049] In some embodiments, Figure 3 and Figure 4 As shown, the side portion 24 includes a first side portion 241 and a second side portion 242 spaced apart along a third direction to connect and support the first support portion 21 and the second support portion 22 at opposite sides along the third direction, and the second reinforcing portion 32 includes a first side portion 321 and a second side portion 322 extending in a plane perpendicular to the third direction, the first side portion 321 and the second side portion 322 are respectively integrally connected to the first reinforcing portion 31, the first side portion 321 is at least partially embedded in the first side portion 241, and the second side portion 322 is at least partially embedded in the second side portion 242, wherein the first direction, the second direction and the third direction are perpendicular to each other.

[0050] That is to say, the first support portion 21 and the second support portion 22 are perpendicular to each other, including that the plane where the first support portion 21 is located and the plane where the second support portion 22 is located are at an angle of 90°, or close to 90°, for example, an angle between 85° and 95°. The first support portion 21 has two side edges arranged oppositely along the third direction, and the second support portion 22 also has two side edges arranged oppositely along the third direction. Further, the first side portion 241 is connected to one side edge of the first support portion 21 and one side edge of the second support portion 22, and the second side portion 242 is connected to the other side edge of the first support portion 21 and the other side edge of the second support portion 22, so that the first support portion 21 and the second support portion 22 are reliably supported by the first side portion 241 and the second side portion 242.

[0051] It is worth mentioning that the plane where the first side portion 241 is located and the plane where the second side portion 242 is located are 90°, or close to 90°, for example, at an angle between 85° and 95° with the plane where the first support portion 21 is located. The plane where the first side portion 241 is located and the plane where the second side portion 242 is located are 90°, or close to 90°, for example, at an angle between 85° and 95° with the plane where the second support portion 22 is located. In other words, the first support portion 21, the first side portion 241 and the second support portion 22 are connected at a right angle, and the first support portion 21, the second side portion 242 and the second support portion 22 are also connected at a right angle, which is conducive to transmitting and dispersing the force of the bracket 20 in three mutually perpendicular directions, so that the bracket 20 has good self-supporting properties, improves the bearing capacity of the bracket 20, and is conducive to improving the stability and reliability of the reflective module 1.

[0052] In some embodiments, Figure 3 and Figure 4 As shown, the first supporting portion 21 includes a first crossbeam 212, and a first side beam 213 and a second side beam 214 respectively connected to the first crossbeam 212, the first crossbeam 212 and the connecting portion 23 are spaced apart along the second direction, the first crossbeam 212, the first side beam 213, the connecting portion 23 and the second side beam 214 are sequentially connected to form a first mounting cavity 211, the first mounting cavity 211 extends in a plane perpendicular to the first direction, the first lens 42 is disposed in the first mounting cavity 211, so that light passes through the first lens 42 and the first mounting cavity 211 into the reflective module 1; the first reinforcing portion 31 includes a first frame 311 and a second frame 312 spaced apart along the second direction, the first frame 311 is at least partially embedded in the first crossbeam 212, and the second frame 312 is at least partially embedded in the connecting portion 23.

[0053] It should be understood that the first side beam 213 is connected to the first side portion 241, and the second side beam 214 is connected to the second side portion 242, so that the first side beam 213 and the second side beam 214 are supported by the first side portion 241 and the second side portion 242, which is conducive to preventing the first side beam 213 and the second side beam 214 from bending and deforming due to the force F1. Further, the first skeleton 311 is at least partially embedded in the first crossbeam 212, which is conducive to improving the hardness and structural strength of the first crossbeam 212; the second skeleton 312 is at least partially embedded in the connecting portion 23, which is conducive to improving the hardness and structural strength of the connecting portion 23; thereby reducing the risk of deformation of the first support portion 21 due to the force F1, and being able to more reliably and stably carry the first lens 42, which is conducive to keeping the first lens 42 in a preset ideal position, and improving the stability and reliability of the reflective module 1.

[0054] It is worth mentioning that if there is no second skeleton 312, the structural strength of the connecting portion 23 of the bracket 20 is relatively low, and when the reflective module 1 falls, the connecting portion 23 may break; in addition, due to the large size of the connecting portion 23, during the injection molding process of the bracket 20, the connecting portion 23 will produce a large shrinkage deformation, which will cause the first support portion 21 and the second support portion 22 to deform, affecting the structure and optical properties of the first lens 42 and the second lens 43, and even affecting the performance of the entire optical system of the camera module 2, ultimately resulting in reduced imaging quality.

[0055] In this embodiment, by embedding the second skeleton 312 in the connecting portion 23, not only the structural strength of the connecting portion 23 is improved, but also the shrinkage deformation of the connecting portion 23 can be reduced or even avoided during the injection molding process of the bracket 20, which is conducive to keeping the first support portion 21 in a plane perpendicular to the first direction, and the second support portion 22 in a plane perpendicular to the second direction. Further, the actual positions of the first lens 42 and the second lens 43 can be made to coincide with or approach to coincide with the preset ideal positions, reducing the influence of the bracket 20 on the structure and optical performance of the first lens 42 and the second lens 43, thereby helping to improve the imaging quality of the camera module 2.

[0056] In some embodiments, Figure 4 As shown, the first skeleton 311 integrally connects the first side portion 321 and the second side portion 322, the second skeleton 312 integrally connects the first side portion 321 and the second side portion 322, and the first side portion 321 and the second side portion 322 bend and extend along the first direction from the plane where the first skeleton 311 and the second skeleton 312 are located.

[0057] It should be understood that the first frame 311 and the second frame 312 both extend along the third direction to connect the first side portion 321 and the second side portion 322. Compared with the first frame 311, the second frame 312, the first side portion 321, and the second side portion 322 being disconnected from each other, in this embodiment, the first frame 311 and the second frame 312 are connected between the first side portion 321 and the second side portion 322, so that the reinforcement member 30 forms a bent and connected whole, so as to facilitate the fixing of the reinforcement member 30 during the injection molding process of the bracket 20, thereby reducing the manufacturing difficulty of the bracket 20.

[0058] In addition, the first side portion 321, the first frame 311, the second frame 312 and the second side portion 322 are bent and connected as one body, so that the reinforcement 30 can simultaneously withstand the forces along the first direction and along the third direction, and the force is more dispersed, which is beneficial to improving the rigidity and stability of the reinforcement 30; the reinforcement 30 with a bent structure is also beneficial to releasing stress through the bend, so that the reinforcement 30 has better vibration resistance and impact resistance.

[0059] In some embodiments, Figure 5 and Figure 8 As shown, at least a portion of the first skeleton 311 is exposed from the first cross beam 212, and the portion of the first skeleton 311 exposed from the first cross beam 212 extends along the second direction toward the first mounting cavity 211, and forms the edge of the first mounting cavity 211, which is beneficial to improving the hardness and structural strength of the edge of the first mounting cavity 211, reducing the risk of deformation of the edge of the first mounting cavity 211 due to force, and is also beneficial to improving the dimensional accuracy of the edge of the first mounting cavity 211, thereby reducing the influence of the processing error of the bracket 20 on the installation of the first lens 42.

[0060] In at least one embodiment, the first beam 212 extends along the first direction and is fixed to the carrier 10, the thickness of the first skeleton 311 along the first direction is less than the thickness of the first beam 212 along the first direction, the portion of the first skeleton 311 exposed to the first beam 212 forms a receiving space 25 with the first beam 212, the reflective element 41 includes a first end 411 close to the first support portion 21 and a second end 412 close to the second support portion 22, and the first end 411 of the reflective element 41 extends into the receiving space 25.

[0061] It should be understandable that if the first crossbeam 212 completely covers the first skeleton 311, that is, the portion of the first skeleton 311 exposed in the first mounting cavity 211 is also covered by the first crossbeam 212, the first crossbeam 212 will occupy the space of the accommodating space 25, and then the accommodating space 25 will hardly have enough space to accommodate the first end 411 of the reflective element 41, which may cause the imaging quality of the camera module 2 to decrease or the volume of the reflective module 1 to increase.

[0062] In this embodiment, if Figure 5 As shown, the thickness of the first frame 311 along the first direction is less than the thickness of the first beam 212 along the first direction. In combination with the portion of the first frame 311 exposed from the first beam 212 extending toward the first mounting cavity 211 along the second direction, the supporting area of ​​the first frame 311 for the first lens 42 is increased, and the reliability of the first lens 42 being fixed to the bracket 20 and the reinforcement 30 is improved. At the same time, the first beam 212 is able to avoid the first end 411 of the reflective element 41, and the accommodation space 25 is able to have enough space to accommodate the first end 411 of the reflective element 41, so that the first end 411 of the reflective element 41 extends into the accommodation space 25, which is conducive to making the structure of the reflective module 1 more compact, reducing the volume of the reflective module 1, and especially reducing the size of the reflective module 1 along the first direction, so as to reduce the height of the camera module 2. In addition, it is also conducive to increasing the reflective area of ​​the reflective element 41 while maintaining the reflective module 1 with a small volume, so as to increase the amount of light passing, and improve the brightness and clarity of the imaging.

[0063] In at least one embodiment, the thickness of the first frame 311 or the entire reinforcement 30 is 0.1 mm to 0.2 mm, which is beneficial to reducing the space occupied by the first frame 311 in the accommodating space 25. Furthermore, the distance between the first end 411 of the reflective element 41 and the first frame 311 along the first direction is 0.25 mm to 0.3 mm, which is beneficial to avoid interference between the reflective element 41 and the first frame 311, thereby causing damage to the reflective element 41, and making the structure of the reflective module 1 more compact.

[0064] In at least one embodiment, the projection of the first skeleton 311 along the first direction at least partially overlaps with the projection of the reflective element 41 along the first direction, that is, the portion of the first skeleton 311 exposed in the first installation cavity 211 and the first end 411 of the reflective element 41 at least partially overlap along the second direction, so that the reflective element 41 can be arranged closer to the carrier 10 along the second direction, which is beneficial to reducing the size of the reflective module 1 along the second direction, thereby reducing the length of the camera module 2.

[0065] In some embodiments, Figure 8As shown, the top surface of the first skeleton 311 and the top surface of the second skeleton 312 are both exposed on the first support portion 21, and the top surface of the first skeleton 311 and the top surface of the second skeleton 312 are coplanar. In other words, the plane where the top surface of the first skeleton 311 and the top surface of the second fixture are located is perpendicular to the first direction, that is, the top surface of the first reinforcing portion 31 is exposed on the first support portion 21, so as to carry and fix the first lens 42. It should be understood that compared with the injection-molded bracket 20, the first reinforcing portion 31 made of metal has higher processing accuracy and better flatness, and thus, under the condition that the first lens 42 is installed in contact with the top surface of the first reinforcing portion 31, it is helpful to avoid the influence of the assembly and the molding accuracy of the bracket 20 on the first lens 42, further reduce the risk of deformation of the first lens 42, and improve the stability and reliability of the reflection module 1. It is worth mentioning that, under the condition that the first lens 42 is installed in contact with the top surface of the first reinforcement portion 31, the first lens 42 can inherit the flatness of the first reinforcement portion 31, which can prevent the first lens 42 from tilting and affecting the propagation path of light after passing through the first lens 42, thereby helping to avoid affecting the performance of the optical system of the camera module 2, thereby improving the reliability and stability of the reflection module 1, and improving the imaging quality of the camera module 2.

[0066] In some embodiments, Figure 4 As shown, the first side portion 321 and the second side portion 322 both include a hollow area 34 , the first side portion 241 passes through the hollow area 34 of the first side portion 321 , and the second side portion 242 passes through the hollow area 34 of the second side portion 322 .

[0067] It should be understood that by setting the hollow area 34, the weight of the reinforcement 30 can be reduced, and then the total weight of the reflection module 1 can be reduced, which is beneficial to improving the driving speed and driving accuracy of the reflection module 1; in addition, it is also beneficial to reduce the driving force required to drive the reflection module 1, and then the size of the motor used to drive the reflection module 1 can be reduced, which is beneficial to realize the miniaturization of the camera module 2.

[0068] Furthermore, the first side portion 241 of the bracket 20 passes through the hollow area 34 of the first side portion 321, and the second side portion 242 passes through the hollow area 34 of the second side portion 322, which is conducive to increasing the bonding area between the bracket 20 and the reinforcement 30, improving the connection strength between the bracket 20 and the reinforcement 30, and reducing the risk of relative movement between the bracket 20 and the reinforcement 30. It is worth mentioning that the first side portion 241 and the second side portion 242 of the bracket 20 can be separated into several areas through the hollow area 34 of the reinforcement 30, which is conducive to further reducing the risk of shrinkage deformation of the bracket 20 during injection molding.

[0069] In some embodiments, Figure 6As shown, the side portion 24 has a bracket edge 26 on the side away from the first support portion 21 along the first direction, and the second reinforcement portion 32 has a reinforcement edge 37 on the side away from the first reinforcement portion 31 along the first direction. The bracket edge 26 is parallel to the reinforcement edge 37, and the distance H between the bracket edge 26 and the reinforcement edge 37 is 0.1mm~0.5mm.

[0070] It should be understood that if the distance H between the bracket edge 26 and the reinforcement edge 37 is too large, the first side portion 241 of the bracket 20 is not fully filled by the first side portion 321 of the reinforcement 30, and the second side portion 242 of the bracket 20 is not fully filled by the second side portion 322 of the reinforcement 30, which may lead to uneven distribution of structural strength on the first side portion 241 and the second side portion 242. In other words, the structural strength of the side of the first side portion 241 away from the first support portion 21 is weaker, and similarly, the structural strength of the side of the second side portion 242 away from the first support portion 21 is also weaker, and thus it is easy to deform and break when subjected to external force, and even cause deformation of the first support portion 21 and the second support portion 22, which affects the shape and optical performance of the first lens 42 and the second lens 43.

[0071] If the distance H between the bracket edge 26 and the reinforcement edge 37 is too small, it may cause that during the injection molding process of the bracket 20, the flow channel on the side of the first side portion 241 away from the first support portion 21 is too small, and the flow channel on the side of the second side portion 242 away from the first support portion 21 is too small, which is not conducive to the filling of the masterbatch and may cause defects such as broken edges and holes.

[0072] In this embodiment, the distance H between the bracket edge 26 and the reinforcement edge 37 is 0.1 mm to 0.5 mm, which is conducive to the side portion 24 of the bracket 20 being fully filled by the second reinforcement portion 32 of the reinforcement member 30, thereby reducing the weak points of the first side portion 241 and the second side portion 242, and improving the uniformity of the structural strength of the first side portion 241 and the second side portion 242. In addition, during the injection molding process of the bracket 20, it is conducive to the masterbatch to fully fill the mold cavity, thereby reducing the processing defects of the bracket 20, and thus improving the qualified rate of the finished product of the bracket 20. In at least one embodiment, the distance H between the bracket edge 26 and the reinforcement edge 37 is 0.3 mm.

[0073] In some embodiments, Figure 4As shown, the reinforcement 30 also includes a plurality of cutting portions 35, wherein at least one cutting portion 35 extends from the side edge of the first frame 311 along the second direction toward the side away from the second frame 312, and at least one other cutting portion 35 extends from the side edge of the second frame 312 along the second direction toward the side away from the first frame 311. Further, the cutting portion 35 on the first frame 311 of a reinforcement 30 is suitable for connecting with the cutting portion 35 on the second frame 312 of another reinforcement 30, so that a plurality of reinforcements 30 are connected in sequence to form a material strip. Further, multiple reinforcements 30 in the form of a material strip are injection molded to improve the production efficiency of the bracket 20. It should be understood that after the bracket 20 is injection molded, the cutting portion 35 is cut to separate each bracket 20 from the reinforcement 30, so as to achieve mass production of the bracket 20.

[0074] In some embodiments, Figure 4 As shown, the reinforcement 30 further includes a fixing portion 36, which is connected to the side of the first frame 311 and / or the side of the second frame 312. The fixing portion 36 is bent and extended from a plane perpendicular to the first direction toward the first direction, so that the reinforcement 30 is hooked to the bracket 20, thereby improving the structural strength, stability and reliability of the bracket 20. It should be understood that the fixing portion 36 can be connected to the side of the first frame 311 facing the second frame 312, or to the side of the first frame 311 away from the second frame 312, so as to improve the connection strength between the first frame 311 and the first crossbeam 212. Similarly, the fixing portion 36 can be connected to the side of the second frame 312 facing the first frame 311, or to the side of the second frame 312 away from the first frame 311, so as to improve the connection strength between the second frame 312 and the connecting portion 23, which is conducive to avoiding the risk of loosening between the reinforcement 30 and the bracket 20 due to different shrinkage rates.

[0075] In some embodiments, Figure 7 As shown, the reinforcement member 30 also includes a third reinforcement portion 33 extending in a plane perpendicular to the second direction, and the third reinforcement portion 33 is at least partially embedded in the second support portion 22, so as to improve the structural strength of the second support portion 22, which is conducive to keeping the second support portion 22 in a plane perpendicular to the second direction, reducing the risk of deformation of the second support portion 22, and further reducing the influence of deformation of the second support portion 22 on the shape and optical performance of the second lens 43, so as to improve the reliability and stability of the reflection module 1. Among them, the plane where the third reinforcement portion 33 is located is perpendicular to the plane where the first reinforcement portion 31 is located, and the plane where the third reinforcement portion 33 is located is perpendicular to the plane where the second reinforcement portion 32 is located.

[0076] In some embodiments, Figure 3As shown, the second supporting portion 22 includes a second cross beam 222, and a third side beam 223 and a fourth side beam 224 respectively connected to the second cross beam 222, the second cross beam 222 and the connecting portion 23 are spaced apart along the first direction, the second cross beam 222, the third side beam 223, the connecting portion 23 and the fourth side beam 224 are sequentially connected to form a second mounting cavity 221, the second mounting cavity 221 extends in a plane perpendicular to the second direction, the second lens 43 is arranged in the second mounting cavity 221, so that light is emitted from the reflection module 1 through the second lens 43 and the second mounting cavity 221; the third reinforcing portion 33 is at least partially embedded in the third side beam 223 and / or the fourth side beam 224.

[0077] It should be understood that the third side beam 223 is connected to the first side portion 241, and the fourth side beam 224 is connected to the second side portion 242, so that the third side beam 223 and the fourth side beam 224 are supported by the first side portion 241 and the second side portion 242, which is conducive to preventing the third side beam 223 and the fourth side beam 224 from bending and deforming due to the force F2. Further, the third reinforcing portion 33 is at least partially embedded in the third side beam 223, which is conducive to improving the hardness and structural strength of the third side beam 223, and / or the third reinforcing portion 33 is at least partially embedded in the fourth side beam 224, which is conducive to improving the hardness and structural strength of the fourth side beam 224; thereby reducing the risk of deformation of the second support portion 22 due to the force F2, so that the second lens 43 can be more reliably and stably carried, which is conducive to keeping the second lens 43 at a preset ideal position, and improving the stability and reliability of the reflective module 1.

[0078] It is worth mentioning that the second lens 43 has a high sensitivity, that is, the deformation of the second support portion 22 will have a great influence on the shape and optical performance of the second lens 43. In this embodiment, the third reinforcing portion 33 is used to improve the accuracy and structural strength of the second support portion 22, and during the injection molding process of the bracket 20, the shrinkage deformation of the second support portion 22 is reduced or even avoided, which is conducive to keeping the second support portion 22 in a plane perpendicular to the second direction, improving the flatness of the second support portion 22, and reducing the influence of the processing error of the bracket 20 on the installation of the second lens 43, which is conducive to keeping the shape and optical performance of the second lens 43 within a preset range.

[0079] In some embodiments, Figure 7 As shown, the third reinforcing portion 33 is integrally connected to the first side portion 321 and the second side portion 322 , and the third reinforcing portion 33 is bent and extended along the third direction from the plane where the first side portion 321 and the second side portion 322 are located.

[0080] Specifically, the third reinforcement portion 33 includes a first vertical surface portion 331 and a second vertical surface portion 332, wherein the first vertical surface portion 331 is connected to the first side surface portion 321, and is bent and extended along the third direction from the first side surface portion 321 to be embedded in the third side beam 223, and the second vertical surface portion 332 is connected to the second side surface portion 322, and is bent and extended along the third direction from the second side surface portion 322 to be embedded in the fourth side beam 224, thereby improving the structural strength of the second support portion 22 through the third reinforcement portion 33.

[0081] In some embodiments, the third reinforcing portion 33 is integrally connected to the second frame 312 , and the third reinforcing portion 33 is bent and extended along the first direction from the plane where the second frame 312 is located.

[0082] Specifically, the third reinforcement portion 33 includes a first vertical surface portion 331 and a second vertical surface portion 332, wherein the first vertical surface portion 331 is connected to one end of the second frame 312 close to the first side surface portion 321, and is bent and extended from the second frame 312 along the first direction to be embedded in the third side beam 223, and the second vertical surface portion 332 is connected to one end of the second frame 312 close to the second side surface portion 322, and is bent and extended from the second frame 312 along the first direction to be embedded in the fourth side beam 224, thereby improving the structural strength of the second support portion 22 through the third reinforcement portion 33.

[0083] In some embodiments, Figure 7 As shown, the third reinforcement part 33 includes a hollow area 34, and the second support part 22 passes through the hollow area 34 of the third reinforcement part 33. It should be understood that by providing the hollow area 34, the weight of the reinforcement member 30 can be reduced, and the total weight of the reflection module 1 can be reduced, which is conducive to improving the driving speed and driving accuracy of the reflection module 1; in addition, it is also conducive to reducing the driving force required to drive the reflection module 1, and thus reducing the size of the motor used to drive the reflection module 1, which is conducive to miniaturization of the camera module 2.

[0084] Furthermore, the second support portion 22 of the bracket 20 passes through the hollow area 34 of the third reinforcement portion 33, which is conducive to further increasing the combined area of ​​the bracket 20 and the reinforcement 30, improving the connection strength between the bracket 20 and the reinforcement 30, and reducing the risk of relative movement between the bracket 20 and the reinforcement 30. It is worth mentioning that the second support portion 22 of the bracket 20 can be divided into several areas through the hollow area 34 of the reinforcement 30, which is conducive to further reducing the risk of shrinkage deformation of the bracket 20 during injection molding.

[0085] In some embodiments, Figure 8As shown, the reflection module 1 also includes a reflection layer, which is covered on the outer surface of the reinforcement 30 exposed to the bracket 20, and the reflection layer is made of low-reflective material. It should be understood that the reinforcement 30 is made of metal, so the outer surface of the reinforcement 30 exposed to the bracket 20 may reflect light, thereby generating stray light, which has an adverse effect on the imaging of the camera module 2. In this embodiment, by covering the outer surface of the reinforcement 30 exposed to the bracket 20 with a reflection layer, it is helpful to prevent the stray light reflected by the reinforcement 30 from entering the reflection module 1 through the first lens 42, and from entering the subsequent optical system through the reflection module 1, thereby improving the imaging quality of the camera module 2.

[0086] Specifically, the outer surface of the reinforcement 30 exposed to the bracket 20 includes but is not limited to: the top surface of the first frame 311 and the second frame 312 mentioned above, and the top surface, bottom surface and side surface of the first frame 311 exposed to the first crossbeam 212. In addition, in the process of injection molding the reinforcement 30 to form the bracket 20, the reinforcement 30 may be clamped and fixed by a clamp, and then after the bracket 20 is injection molded, the portion of the reinforcement 30 that fits with the clamp will be exposed to the outside world through the groove on the bracket 20. It should be understood that these portions also need to be covered with a reflective layer. It is worth mentioning that when there is an exposed portion of the reinforcement 30 on the side portion 24 of the bracket 20 or on the second support portion 22 of the bracket 20, it is also necessary to cover the reflective layer.

[0087] It should be understood that low-reflective materials include, but are not limited to, ink, black paint, etc., and this application does not impose specific restrictions on this. Further, the surface of the bracket 20 can also be processed by sandblasting, etching, coating, etc. to increase the roughness of the surface of the bracket 20, thereby reducing the reflection of light by the bracket 20.

[0088] In some embodiments, Figure 1 , Figure 3 and Fig. 9 As shown, the first side portion 241 and the second side portion 242 respectively include a positioning protrusion 243, and the positioning protrusion 243 extends from the first side portion 241 and the second side portion 242 along a third direction; the carrier 10 includes a first carrier side wall 11 and a second carrier side wall 12 corresponding to the first side portion 241 and the second side portion 242 respectively, and the first carrier side wall 11 and the second carrier side wall 12 are respectively provided with a positioning groove 13, and the positioning groove 13 is suitable for accommodating the positioning protrusion 243, so as to be suitable for adjusting the relative position of the bracket 20 and the carrier 10 during the assembly process.

[0089] Specifically, when the bracket 20 is installed on the carrier 10, glue can be dispensed between the positioning groove 13 and the positioning protrusion 243 and pre-cured to pre-bond the bracket 20 and the carrier 10. It should be understood that before pre-bonding, the relative position of the bracket 20 and the carrier 10 can be adjusted, that is, the relative position of the first lens 42, the second lens 43 on the bracket 20 and the reflective element 41 on the carrier 10 can be adjusted. After pre-curing, since the bracket 20 and the carrier 10 are not completely bonded and fixed, the relative position of the bracket 20 and the carrier 10 can also be fine-tuned, so that the relative position of the first lens 42, the second lens 43 and the reflective element 41 is closer to the preset position. Further, glue is added between the positioning groove 13 and the positioning protrusion 243, and further, glue is added between the first crossbeam 212 of the bracket 20 and the carrier 10, and fully cured, so that the bracket 20 and the carrier 10 are reliably bonded and fixed.

[0090] It should be understood that if the bracket 20 and the carrier 10 are bonded and cured in one go, the deviation in the relative position between the bracket 20 and the carrier 10 will be difficult to remedy, which may lead to an increase in the scrap rate and increased manufacturing costs; in addition, in the one-time bonding process, the volume of the glue is large, and during the process of glue curing and shrinkage, the bracket 20 and the carrier 10 are pulled, thereby increasing the risk of the bracket 20 being offset relative to the carrier 10.

[0091] In this embodiment, the positioning groove 13 and the positioning protrusion 243 are used to reduce the difficulty of positioning the bracket 20 and the carrier 10 during assembly, thereby improving assembly efficiency. Furthermore, by adjusting the relative position before pre-curing and fine-tuning the relative position after pre-curing, it is helpful to further improve the accuracy of the relative position between the first lens 42, the second lens 43 and the reflective element 41, reduce the impact of assembly on the shape and optical performance of the first lens 42 and the second lens 43, and thus help improve the optical performance of the reflective module 1.

[0092] A method for manufacturing a bracket 20, used for manufacturing the bracket 20 of the above-mentioned reflection module 1, comprises the following steps: a. Provide a metal strip, the metal strip includes a plurality of reinforcing members 30, the reinforcing members 30 include a first reinforcing portion 31 and a second reinforcing portion 32, and the second reinforcing portion 32 is bent from the first reinforcing portion 31 along a first direction; b. implanting the metal strip into the mold, and performing injection molding on the first reinforcement part 31 and the second reinforcement part 32, so that the masterbatch covers at least a portion of the first reinforcement part 31 and at least a portion of the second reinforcement part 32, so as to form a plurality of brackets 20, wherein the bracket 20 includes a first support part 21, a second support part 22 and a side part 24 connected in one piece, the first support part 21 covers at least a portion of the first reinforcement part 31, and the side part 24 covers at least a portion of the second reinforcement part 32; c. Cut the bracket 20 and the metal strip to separate the brackets 20 and ensure that each bracket 20 is embedded with a reinforcement member 30.

[0093] It should be understood that before bending, the first reinforcement portion 31 and the second reinforcement portion 32 are located in the same plane, so that the material strip is in a roll shape, which is convenient for storage. In step a, the material strip is bent so that the first side portion 321 and the second side portion 322 of the second reinforcement portion 32 are bent from the first reinforcement portion 31 along the first direction, so that the first reinforcement portion 31 extends in a plane perpendicular to the first direction, and the first side portion 321 and the second side portion 322 each extend in a plane perpendicular to the third direction.

[0094] In step b, multiple reinforcement members 30 are continuously implanted into the mold cavity of the mold in the form of a strip, and the masterbatch is injected into the mold cavity, cooled and solidified to form a bracket 20, the first support portion 21 of the bracket 20 covers at least a portion of the first reinforcement portion 31, the first side portion 241 covers at least a portion of the first side portion 321, and the second side portion 242 covers at least a portion of the second side portion 322. Further, through processes such as ejection and demolding, a plurality of semi-finished brackets 20 in the form of a strip are obtained.

[0095] In step c, the strip-form bracket 20 is cut, for example, the cutting portion 35 between two adjacent brackets 20 is cut, so that the multiple brackets 20 are separated from each other to form a finished product of the bracket 20, thereby realizing mass production of the bracket 20.

[0096] In some embodiments, the manufacturing method also includes step a1, the reinforcement member 30 also includes a third reinforcement portion 33, the third reinforcement portion 33 is connected to the first reinforcement portion 31 and bent from the first reinforcement portion 31 along the first direction and / or connected to the second reinforcement portion 32 and bent from the second reinforcement portion 32 along the third direction.

[0097] That is to say, before bending, the first reinforcing part 31, the second reinforcing part 32 and the third reinforcing part 33 are located in the same plane, so that the material strip is in a roll shape, which is convenient for storage. In step a1, the material strip is bent so that the first side surface portion 321 and the second side surface portion 322 of the second reinforcing part 32 are bent from the first reinforcing part 31 along the first direction, and the first vertical surface portion 331 and the second vertical surface portion 332 of the third reinforcing part 33 are bent from the first reinforcing part 31 along the first direction, or bent from the second reinforcing part 32 along the third direction, so that the first reinforcing part 31 extends in a plane perpendicular to the first direction, the first side surface portion 321 and the second side surface portion 322 each extend in a plane perpendicular to the third direction, and the first vertical surface portion 331 and the second vertical surface portion 332 extend in a plane perpendicular to the second direction.

[0098] Furthermore, the manufacturing method also includes step b1, injection molding the first reinforcement part 31, the second reinforcement part 32 and the third reinforcement part 33 so that the masterbatch covers at least a portion of the first reinforcement part 31, at least a portion of the second reinforcement part 32 and at least a portion of the third reinforcement part 33 to form a bracket 20, wherein the second support part 22 covers at least a portion of the third reinforcement part 33.

[0099] In some embodiments, the manufacturing method further includes step d, injection molding the first side portion 321 and the second side portion 322 of the reinforcement member 30 to form a buffer. Further, in step b, when the reinforcement member 30 and the buffer are injection molded to form the bracket 20, at least part of the buffer is exposed to the first side portion 241 and the second side portion 242 of the bracket 20. It should be understood that during the process of assembling the bracket 20 on the carrier 10, the buffer is located between the bracket 20 and the carrier 10 to play a buffering role and reduce the impact of the collision between the bracket 20 and the carrier 10 on the first lens 42 and the second lens 43 carried on the bracket 20. In addition, at least part of the buffer can also be exposed to the first support portion 21 of the bracket 20. It should be understood that during the movement of the bracket 20 and the carrier 10, the buffer is located between the bracket 20 and the shell 72 of the camera module 2 to play a buffering role and reduce the impact of the collision between the bracket 20 and the shell 72 on the first lens 42 and the second lens 43 carried on the bracket 20. The material of the buffer includes but is not limited to silicone, rubber and the like.

[0100] In at least one embodiment, at least part of the buffer is exposed on the outer side surfaces of the first side portion 241 and the second side portion 242, that is, exposed on the surface of the bracket 20 that is arranged opposite to the carrier 10 along the third direction. During the alignment and installation process of the bracket 20 and the carrier 10, it is helpful to avoid a hard collision between the bracket 20 and the carrier 10 caused by shaking or deviation.

[0101] In at least one embodiment, at least part of the buffer is exposed on the lower surface of the first side portion 241 and the second side portion 242, that is, exposed on the surface of the bracket 20 that is arranged opposite to the carrier 10 along the first direction. During the alignment and installation of the bracket 20 and the carrier 10, it is helpful to avoid a hard collision between the bracket 20 and the carrier 10 caused by excessive downward pressure.

[0102] In at least one embodiment, at least part of the buffer is exposed on the upper surface of the first side beam 213 and the second side beam 214, that is, exposed on the surface of the bracket 20 that is arranged opposite to the shell 72 of the camera module 2 along the first direction. During the movement of the bracket 20 and the carrier 10, it is helpful to avoid a hard collision between the top surface of the bracket 20 and the shell 72.

[0103] In some embodiments, step d further includes injection molding the first frame 311 and the second frame 312 of the reinforcement member 30 to form a buffer. Further, in step b, when the reinforcement member 30 and the buffer are injection molded to form the bracket 20, at least part of the buffer is exposed to the first support portion 21 of the bracket 20. In at least one embodiment, at least part of the buffer is exposed to the four corners of the first support portion 21, that is, exposed to the surface of the bracket 20 that is arranged opposite to the shell 72 of the camera module 2, and is able to avoid the first lens 42, thereby helping to avoid a hard collision between the top surface of the bracket 20 and the shell 72 during the movement of the bracket 20 and the carrier 10.

[0104] In some embodiments, step d further includes injection molding the first vertical surface portion 331 and the second vertical surface portion 332 of the reinforcement member 30 to form a buffer. Further, in step b, when the reinforcement member 30 and the buffer are injection molded to form the bracket 20, at least a portion of the buffer is exposed to the second support portion 22 of the bracket 20. In at least one embodiment, at least a portion of the buffer is exposed to the outer side surface of the third side beam 223 and the fourth side beam 224, that is, exposed to the surface of the bracket 20 that is arranged opposite to the lens module 50 along the second direction, thereby facilitating the avoidance of collisions and impacts during the installation of the reflective module 1 and the lens module 50 on the base 71, thereby affecting the first lens 42 and the second lens 43.

[0105] In at least one embodiment, step d is performed first, and then step a is performed. That is, the buffer is firstly formed on the reinforcement 30 by injection molding, and then the reinforcement 30 is bent, which is conducive to reducing the difficulty of injection molding the buffer and reducing the manufacturing cost.

[0106] In at least one embodiment, step a is performed first, and then step d is performed. That is, the reinforcement member 30 is first bent, and then the buffer member is injection molded on the reinforcement member 30, thereby facilitating avoiding damage to the buffer member during the bending operation.

[0107] In some embodiments, in step b, the pouring gate is opened at positions on the mold corresponding to the four corners of the first support portion 21, and the overflow port is opened at positions on the mold corresponding to the middle section of the first side beam 213 and the middle section of the second side beam 214. Further, the masterbatch is filled into the mold cavity from the pouring gate and discharged from the mold cavity through the overflow port. Specifically, the masterbatch initially filled into the mold cavity from the pouring gate has a low temperature, and the product formed after curing has a low structural strength and a high brittleness, which may have an adverse effect on the strength of the bracket 20.

[0108] In this embodiment, the masterbatch filled into the cavity from the corresponding pouring ports at both ends of the first side beam 213 will form a joint line in the middle section of the first side beam 213. Similarly, the masterbatch filled into the cavity from the corresponding pouring ports at both ends of the second side beam 214 will form a joint line in the middle section of the second side beam 214. It should be understood that the overflow port is provided at the joint line to discharge the cold material out of the cavity, which is conducive to filling the entire cavity of the mold with the masterbatch, reducing the defects such as burrs, holes, weld marks, shrinkage marks, etc. caused by insufficient filling, thereby improving the dimensional accuracy and structural strength of the bracket 20.

[0109] A camera module 2, such as Fig.10 As shown, it includes: the above-mentioned reflection module 1, lens module 50, photosensitive module 60, base 71 and shell 72. The lens module 50 is held on the light reflection path of the reflection module 1. The photosensitive module 60 is configured to receive light and perform imaging. The base 71 has a accommodating cavity 711, and the reflection module 1 and the lens module 50 are arranged in the accommodating cavity 711. The shell 72 is covered on the base 71 to protect the reflection module 1 and the lens module 50 in the accommodating cavity 711.

[0110] In some embodiments, the first lens 42 of the reflective module 1 has at least one convex surface, so that the first lens 42 has positive optical power for converging light; the second lens 43 has at least one concave surface, so that the second lens 43 has negative optical power for expanding light. It is worth mentioning that the first lens 42 defines a first optical axis OA1, and the second lens 43 defines a second optical axis OA2, the first optical axis OA1 is parallel to the first direction, and the second optical axis OA2 is parallel to the second direction.

[0111] That is to say, the first lens 42 has a positive optical focal length, and is able to converge the light, so that the light along the first optical axis OA1 is converged after passing through the first lens 42, thereby increasing the amount of light entering without changing the physical aperture of the camera module 2. In other words, it is equivalent to increasing the effective aperture of the camera module 2, thereby improving the imaging quality of the camera module 2 in a low-light environment.

[0112] Furthermore, the light rays converged by the first lens 42 remain converged after being reflected by the reflective element 41, and thus the required size of the second lens 43 is also smaller, which is beneficial to reducing the size of the second lens 43 along the first direction, and is beneficial to reducing the optical effective diameter of each optical lens in the lens module 50 along the first direction, thereby reducing the shoulder height of the camera module 2, which is beneficial to cater to the development trend of lighter and thinner electronic devices.

[0113] As mentioned above, the second lens 43 has a negative optical power, which can expand the light, so that the light along the second optical axis OA2 is expanded after passing through the second lens 43, increasing the coverage area of ​​the light reaching the lens module 50. The reflective element 41 moves during the optical image stabilization operation. Since the light coverage area increases, the movement of the reflective element 41 has a relatively small effect on the position of the light on the lens module 50, which is conducive to improving image stability and making the picture more stable during shooting.

[0114] It should be understood that since the first lens 42 has a convergence effect and the second lens 43 has a beam expansion effect, the accuracy of the relative positions between the first lens 42, the reflective element 41 and the second lens 43 is particularly important. If the shape or optical performance of the first lens 42 or the second lens 43 changes, it will affect the performance of the entire optical system of the reflective module 1 and even the camera module 2. In other words, improving the structural strength of the bracket 20 is not only conducive to preventing the bracket 20 from being damaged or broken due to external forces, but also conducive to preventing the shape and optical performance of the first lens 42 and the second lens 43 from changing due to deformation of the bracket 20.

[0115] Specifically, as described above, by embedding the reinforcement member 30 in the bracket 20, the first reinforcement portion 31 of the reinforcement member 30 is embedded in the first support portion 21, which is conducive to improving the structural strength of the first support portion 21, so that the first support portion 21 can more stably and reliably carry the first lens 42; the third reinforcement portion 33 is embedded in the second support portion 22, which is conducive to improving the structural strength of the second support portion 22, so that the second support portion 22 can more stably and reliably carry the second lens 43. Furthermore, the second reinforcement portion 32 of the reinforcement member 30 is embedded in the side portion 24, which is conducive to improving the structural strength of the side portion 24, so that the side portion 24 can more reliably support the first support portion 21 and the second support portion 22, which is conducive to further reducing the risk of deformation of the first support portion 21 and the second support portion 22, and thus reducing the risk of deformation of the first lens 42 and the second lens 43 caused by deformation of the bracket 20, so as to improve the stability and reliability of the reflection module 1.

[0116] It is worth mentioning that, through the assembly of the bracket 20 and the carrier 10, the relative position and relative angle between the first lens 42 and the second lens 43 of the reflective element 41 can be kept fixed, and then when the first lens 42, the reflective element 41 and the second lens 43 are driven to rotate together, the light is incident on the reflective element 41 through the first lens 42, and then reflected to the second lens 43 through the reflective element 41. In the process, the propagation path and propagation angle are kept relatively stable, which not only improves the clarity of the imaging, but also enhances the overall quality of the image. In addition, the relative position and relative angle between the first lens 42 and the second lens 43 of the reflective element 41 remain fixed, which is also conducive to avoiding the setting of additional structures or algorithms to optimize the propagation path and angle of the light, which is conducive to reducing the design difficulty and manufacturing difficulty of the reflective module 1 and the camera module 2, and is conducive to simplifying the driving structure and improving the reliability and stability of the reflective module 1.

[0117] Furthermore, the first lens 42 and the second lens 43 are carried on the bracket 20. Since the size of the bracket 20 is smaller than the base 71, compared with the first lens 42 and the second lens 43 being fixed to the base 71, in this embodiment, the first lens 42 and the second lens 43 are installed on the bracket 20, which is conducive to reducing the size of the first lens 42 and the second lens 43, and reducing the weight of the first lens 42 and the second lens 43. In addition, the gap between the first lens 42, the reflective element 41 and the second lens 43 is smaller, which is conducive to making the structure of the reflective module 1 more compact.

[0118] In some embodiments, the lens module 50 includes a plurality of lenses, and the lens module 50 is used to image light on an imaging surface of the photosensitive module 60. Specifically, the lens module 50 includes a first lens group 51 and a second lens group 52, and the first lens group 51 and the second lens group 52 are sequentially arranged along the optical axis direction.

[0119] In a specific embodiment, the first lens group 51 is a fixed lens group, and the second lens group 52 is a focusing lens group, that is, the first lens group 51 is fixed to the base, and the second lens group 52 is carried on the lens carrier. The lens carrier can be driven by the focusing drive component to carry the second lens group 52 to move along the second direction, and then the optical focusing function of the camera module 2 can be realized by adjusting the relative position of the first lens group 51 and the second lens group 52. In addition, the relative position of the second lens group 52 and the imaging surface of the photosensitive module 60 can also be adjusted to switch the imaging mode of the camera module 2.

[0120] It should be understood that the lens module 50 may also include a third lens group and / or a fourth lens group, and the third lens group and / or the fourth lens group may move along the second direction to achieve an optical zoom function, and the present application does not impose any specific restrictions on this.

[0121] In some embodiments, the photosensitive module 60 includes a chip circuit board, a photosensitive chip and a plurality of electronic components. Specifically, the photosensitive chip and the plurality of electronic components are electrically connected to the chip circuit board, and the photosensitive chip is used to receive the external light collected by the reflection module 1 for imaging, and is electrically connected to an external electronic device through the chip circuit board. It should be understood that the plurality of electronic components include but are not limited to passive electronic devices such as resistors and capacitors, and driver chips, storage chips, etc.

[0122] Furthermore, the photosensitive module 60 further includes a filter assembly, which includes a filter element, which is held on the photosensitive path of the photosensitive chip and is disposed between the lens module 50 and the photosensitive chip. It should be understood that the filter element is used to filter the incident light entering the photosensitive chip to filter out stray light such as infrared light that is not necessary for imaging in the incident light.

[0123] Furthermore, the filter assembly further includes a filter element mounting frame, and the filter element is mounted and fixed on the filter element mounting frame and corresponds to at least the photosensitive area of ​​the photosensitive chip. Specifically, the filter element mounting frame has a light hole, and the incident light passing through the lens module 50 is incident on the photosensitive chip through the light hole. The filter element can be attached to the filter element mounting frame positively or invertedly.

[0124] In a specific embodiment, the filter element mounting frame is fixed to the chip circuit board. It is worth mentioning that the photosensitive component is fixed to the image side of the filter element through the filter element mounting frame; the photosensitive component can also be fixed to the image side of the filter element through the chip circuit board, and this application does not make specific restrictions on this.

[0125] The above describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention to be protected. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A reflection module, characterized in that: include: A carrier, used for carrying a reflective element, wherein the reflective element is used for reflecting light propagating in a first direction to propagate in a second direction; A bracket, fixedly connected to the carrier, the bracket comprising a first supporting portion, a second supporting portion and a side portion which are integrally connected, the first supporting portion extending in a plane perpendicular to the first direction, the second supporting portion extending in a plane perpendicular to the second direction, and the side portion extending in a plane parallel to the first direction and the second direction, so as to connect and support the first supporting portion and the second supporting portion, wherein the first supporting portion is used to carry a first lens, and the second supporting portion is used to carry a second lens, so that the reflective element is disposed between the first lens and the second lens; A reinforcement member is integrally formed with the bracket, wherein the reinforcement member includes a first reinforcement portion and a second reinforcement portion, the first reinforcement portion is at least partially embedded in the first support portion and extends in a plane perpendicular to the first direction, the second reinforcement portion is bent from the first reinforcement portion along the first direction and extends in a plane parallel to the first direction and the second direction, and the second reinforcement portion is at least partially embedded in the side portion.

2. The reflection module according to claim 1, characterized in that: The side portion includes a first side portion and a second side portion spaced apart along a third direction to connect and support the first supporting portion and the second supporting portion on opposite sides along the third direction, the second reinforcing portion includes a first side portion and a second side portion extending in a plane perpendicular to the third direction, the first side portion and the second side portion are respectively integrally connected to the first reinforcing portion, the first side portion is at least partially embedded in the first side portion, and the second side portion is at least partially embedded in the second side portion, wherein the first direction, the second direction and the third direction are perpendicular to each other.

3. The reflection module according to claim 2, characterized in that: A connecting portion is defined at the intersection of the first supporting portion and the second supporting portion; the first supporting portion includes a first crossbeam, and a first side beam and a second side beam respectively connected to the first crossbeam, the first crossbeam and the connecting portion are spaced apart along the second direction, the first crossbeam, the first side beam, the connecting portion and the second side beam are sequentially connected to form a first mounting cavity, the first mounting cavity extends in a plane perpendicular to the first direction, and the first lens is disposed in the first mounting cavity; The first reinforcement portion includes a first frame and a second frame spaced apart along the second direction, the first frame is at least partially embedded in the first cross beam, and the second frame is at least partially embedded in the connecting portion.

4. The reflection module according to claim 3, characterized in that: The first frame integrally connects the first side portion and the second side portion, the second frame integrally connects the first side portion and the second side portion, and the first side portion and the second side portion bend and extend along a first direction from a plane where the first frame and the second frame are located.

5. The reflection module according to claim 3, characterized in that: At least a portion of the first frame is exposed from the first crossbeam, and the portion of the first frame exposed from the first crossbeam extends toward the first installation cavity along a second direction and forms an edge of the first installation cavity.

6. The reflection module according to claim 5, characterized in that: The first crossbeam extends along a first direction and is fixed to the carrier, the thickness of the first skeleton along the first direction is smaller than the thickness of the first crossbeam along the first direction, the portion of the first skeleton exposed to the first crossbeam forms a receiving space with the first crossbeam, the reflective element includes a first end close to the first supporting portion and a second end close to the second supporting portion, and the first end of the reflective element extends into the receiving space.

7. The reflection module according to claim 2, characterized in that: The first side portion and the second side portion both include a hollow area, the first side portion passes through the hollow area of ​​the first side portion, and the second side portion passes through the hollow area of ​​the second side portion.

8. The reflection module according to claim 2, characterized in that: The first side portion and the second side portion respectively include positioning protrusions, and the positioning protrusions extend from the first side portion and the second side portion along a third direction; the carrier includes a first carrier side wall and a second carrier side wall corresponding to the first side portion and the second side portion respectively, and the first carrier side wall and the second carrier side wall are respectively provided with positioning grooves, and the positioning grooves are suitable for accommodating the positioning protrusions so as to be suitable for adjusting the relative positions of the bracket and the carrier during the assembly process.

9. The reflection module according to claim 3, characterized in that: The reinforcement also includes a third reinforcement portion extending in a plane perpendicular to the second direction, and the third reinforcement portion is at least partially embedded in the second support portion, wherein the plane where the third reinforcement portion is located is perpendicular to the plane where the first reinforcement portion is located, and the plane where the third reinforcement portion is located is perpendicular to the plane where the second reinforcement portion is located.

10. The reflection module according to claim 9, characterized in that: The second supporting portion includes a second crossbeam, and a third side beam and a fourth side beam respectively connected to the second crossbeam, the second crossbeam and the connecting portion are spaced apart along the first direction, the second crossbeam, the third side beam, the connecting portion and the fourth side beam are sequentially connected to form a second mounting cavity, the second mounting cavity extends in a plane perpendicular to the second direction, and the second lens is disposed in the second mounting cavity; The third reinforcement portion is at least partially embedded in the third side beam and / or the fourth side beam.

11. The reflection module according to claim 9, characterized in that: The third reinforcing portion is integrally connected to the first side portion and the second side portion, and the third reinforcing portion is bent and extended along a third direction from a plane where the first side portion and the second side portion are located.

12. The reflection module according to claim 9, characterized in that: The third reinforcement portion is integrally connected to the second frame, and the third reinforcement portion is bent and extends along a first direction from a plane where the second frame is located.

13. The reflection module according to any one of claims 1 to 12, characterized in that: The reflection module further includes a reflection layer, which is covered on the outer surface of the reinforcement member exposed to the bracket, and the reflection layer is made of low-reflection material.

14. A method for manufacturing a bracket, used for manufacturing the bracket of the reflection module according to claim 1, characterized in that: The following steps are involved: a. Provide a metal strip, wherein the metal strip comprises a plurality of reinforcing members, wherein the reinforcing members comprise a first reinforcing portion and a second reinforcing portion, wherein the second reinforcing portion is bent from the first reinforcing portion along a first direction; b. implanting the metal strip into a mold, and performing injection molding on the first reinforcement part and the second reinforcement part, so that the masterbatch covers at least a portion of the first reinforcement part and at least a portion of the second reinforcement part, so as to form a plurality of brackets, wherein the bracket comprises a first support part, a second support part and a side part which are integrally connected, the first support part covers at least a portion of the first reinforcement part, and the side part covers at least a portion of the second reinforcement part; c. Cut the bracket and the metal strip to separate the brackets and ensure that each bracket is embedded with the reinforcement.

15. The manufacturing method according to claim 14, characterized in that: The method also includes step a1, wherein the reinforcement member also includes a third reinforcement portion, wherein the third reinforcement portion is connected to the first reinforcement portion and bent from the first reinforcement portion along a first direction and / or connected to the second reinforcement portion and bent from the second reinforcement portion along a third direction; and step b1, injection molding the first reinforcement portion, the second reinforcement portion and the third reinforcement portion so that the masterbatch covers at least a portion of the first reinforcement portion, at least a portion of the second reinforcement portion and at least a portion of the third reinforcement portion to form the bracket, wherein the second support portion covers at least a portion of the third reinforcement portion.

16. A camera module, characterized in that: include: The reflection module as claimed in any one of claims 1 to 13; a lens module, wherein the lens module is held on a light reflection path of the reflection module; A photosensitive module, wherein the photosensitive module is configured to receive light and perform imaging; A base body, wherein the base body has a containing cavity, and the reflection module and the lens module are arranged in the containing cavity; and a shell, wherein the shell is covered on the base.

Images