CN211481357U

CN211481357U - Camera module and electronic equipment

Info

Publication number: CN211481357U
Application number: CN202020313709.8U
Authority: CN
Inventors: 游钟城; 李邓峰; 王光海
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-09-11
Anticipated expiration: 2030-03-13

Abstract

The application relates to the technical field of camera modules, in particular to a camera module and electronic equipment. The camera module comprises a lens, a voice coil motor, an optical filter, a bracket, an image sensor, a circuit board and a breathable film, wherein light can enter from the lens and irradiate the image sensor through the optical filter; the support is fixed on the circuit board, the optical filter, the support and the circuit board enclose a first cavity, at least one of the voice coil motor, the support and the circuit board is provided with air holes, and the first cavity is communicated with the air holes; the breathable film is connected with the air holes and is made of a waterproof breathable material. The camera module is provided with the breathable film connected with the air holes, so that the first cavity can be communicated with the outside through the air holes, and the optical filter can be prevented from being cracked due to the change of the internal pressure and the external pressure of the camera module; the breathable film is made of waterproof breathable materials, so that external dust particles or moisture can be prevented from entering the camera module from the breathable holes.

Description

Camera module and electronic equipment

Technical Field

The application relates to the technical field of camera modules, in particular to a camera module and electronic equipment.

Background

In order to improve image quality, electronic devices such as mobile phones and tablet computers are usually configured with a camera module having a focusing function. The camera module with focusing function generally includes a lens, a Voice Coil Motor (VCM), a filter, a bracket, an image sensor and a circuit board, wherein: the lens is accommodated in the voice coil motor; the voice coil motor is used for adjusting the position of the lens to enable the camera to be in the clearest state; the optical filter is fixed on the bracket and used for filtering infrared light; the support is fixed on the circuit board and used for supporting the voice coil motor and the lens; the image sensor is fixed on the circuit board and used for converting the optical signal into an electrical signal.

In the related art, as shown in fig. 1 and 2, after the camera module is assembled, the air holes 41 'are usually sealed by a hot melt adhesive 411' to prevent external dust particles or moisture from entering the camera module from the air holes 41 '(i.e., the cavity 4a' formed by the optical filter 3', the bracket 4' and the circuit board 6 '), so as to prevent the external dust particles or moisture from damaging the image sensor 5'. However, during the actual assembly or application of the electronic device, there may be a pressure change, for example, when the difference between the internal pressure and the external pressure of the camera module is greater than 0.3Mpa, stress may be concentrated on the filter 3' mounted on the bracket 4', and the filter 4' may be broken. Wherein the condition of pressure change comprises: for example, when a flexible display panel and a flexible protective film of a folding screen mobile phone are assembled, the flexible protective film needs to be covered on the flexible display panel under a vacuum or pressurization condition, so as to provide protection for the flexible display panel; for another example, the assembled camera module may need to be tested for dust-proof and water-proof performance, so that the camera module is required to be capable of adapting to a high-pressure and dusty environment; for another example, electronic devices are sold to plateau or northern european regions, causing pressure variations.

Therefore, a new camera module and an electronic device are needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a camera module and electronic equipment, which can prevent external dust particles or water vapor from entering the camera module from air holes and can prevent the optical filter from being cracked.

In a first aspect, an embodiment of the present application provides a camera module, where the camera module includes:

a lens;

the lens is accommodated in the voice coil motor;

an optical filter;

the voice coil motor and the optical filter are fixed on the bracket;

the image sensor is used for receiving light rays from the lens and irradiating the light rays to the image sensor through the optical filter;

the support is fixed on the circuit board, the optical filter, the support and the circuit board enclose a first cavity, the image sensor is fixed on the circuit board and contained in the first cavity, at least one of the voice coil motor, the support and the circuit board is provided with air holes, and the first cavity is communicated with the air holes;

the breathable film is connected with the air holes and is made of a waterproof breathable material.

Therefore, the camera module provided by the application can enable the first cavity to be communicated with the outside through the air holes through the air-permeable film arranged in the air holes, so that the optical filter can be prevented from being cracked due to the change of the internal pressure and the external pressure of the camera module; the breathable film is made of waterproof breathable materials, so that external dust particles or moisture can be prevented from entering the camera module from the breathable holes.

In one possible design, the support includes a first support and a second support, the first support is provided with a first air vent, the second support is provided with a second air vent, the first air vent and the second air vent are oppositely arranged and formed the air vent, the air vent is arranged between the first air vent and the second air vent. Through the connection of the first support, the second support and the breathable film, the breathable film can be more firmly fixed with the support.

In one possible design, the support is provided with the vent, and the breathable film is arranged on one side of the vent facing the circuit board and/or one side of the vent far away from the circuit board.

In one possible embodiment, the circuit board is provided with the vent, and the gas-permeable membrane is arranged on one side of the vent facing the support and/or on one side of the vent away from the support.

In a first aspect, a further embodiment of the present application provides a camera module, including:

a lens;

the lens is accommodated in the voice coil motor, and the voice coil motor comprises a supporting part which is far away from the lens;

the optical filter is fixed on the supporting part;

the supporting part is fixed on the circuit board, the optical filter, the supporting part and the circuit board enclose a first cavity, the image sensor is fixed on the circuit board and contained in the first cavity, at least one of the supporting part and the circuit board is provided with air holes, and the first cavity is communicated with the air holes;

In one possible design, the lens and the voice coil motor enclose a second cavity, and the first cavity is communicated with the second cavity through the air hole;

the breathable film is arranged on one side of the circuit board and/or one side of the circuit board far away from the breathable hole. Because the bottom plate of the voice coil motor is used for replacing the bracket in the possible design, namely, the bracket is omitted, the manufacturing cost is reduced, the height of the camera module is reduced, and the weight of electronic equipment such as a mobile phone is reduced.

In a possible design, the circuit board is provided with the vent, the vent membrane being provided in a side of the vent facing the support portion and/or a side of the vent facing away from the support portion.

In a possible design, the camera module further comprises a connecting piece, and the breathable film is connected with the air holes through the connecting piece, so that the breathable film can be more firmly fixed with the support.

In one possible design, the connecting piece is provided with a through hole arranged opposite to the vent hole. When the connecting piece is a glue film, in order to ensure that gas can smoothly pass through the connecting piece, the connecting piece is provided with a through hole which is opposite to the air hole.

In one possible design, the breathable film is connected with the air holes through a hot pressing process, so that the process is simple, and the cost of the connecting piece can be saved.

In one possible design, the waterproof and breathable material includes at least one of a breathable polyurethane material, a breathable polyethylene material, a breathable polypropylene material, a breathable polytetrafluoroethylene material, and other high polymer materials.

In a second aspect, an embodiment of the present application provides an electronic device, which includes the camera module as described above.

Drawings

Fig. 1 is an exploded view of a part of a camera module provided in the related art;

FIG. 2 is a cross-sectional view of a portion of a camera module according to the related art;

fig. 3 is a schematic structural diagram of a camera module according to an embodiment of the present disclosure;

fig. 4 is an exploded view of a camera module according to an embodiment of the present disclosure;

FIG. 5 is an exploded view of the mount and vented membrane of the camera module of FIG. 4;

FIG. 6 is a cross-sectional view of the camera module shown in FIG. 4, except for the lens and voice coil motor;

FIG. 7 is a cross-sectional view of a camera module, in addition to a lens and a voice coil motor, according to another embodiment of the present application;

fig. 8 is an exploded view of a camera module according to another embodiment of the present application;

fig. 9 is an exploded view of a camera module according to another embodiment of the present application;

FIG. 10 is a schematic view of a voice coil motor of the camera module shown in FIG. 9;

FIG. 11 is a cross-sectional view of the camera module shown in FIG. 9;

fig. 12 is an exploded view of a camera module according to another embodiment of the present application;

fig. 13 is a schematic structural diagram of an electronic device according to an embodiment of the present application.

Reference numerals:

a 3' -optical filter;

4' -a scaffold;

4a' -a cavity;

41' -air holes;

411' -hot melt adhesive;

5' -an image sensor;

6' -a circuit board;

100-an electronic device;

10-a camera module;

20-a housing;

30-a display screen;

1-a lens;

2-a voice coil motor;

2 a-a support;

21-a housing;

211-a first mounting portion;

22-a base plate;

221-a third mount portion;

222-mounting holes;

23-a second cavity;

24-a carrier;

3-an optical filter;

4-a scaffold;

4 a-a first cavity;

41-air holes;

42-a second mounting portion;

43-a first scaffold;

431-a first vent;

432-first mounting hole;

44-a second scaffold;

441-a second air hole;

442-a second mounting hole;

5-an image sensor;

6-a circuit board;

7-a gas permeable membrane;

71-a third mounting hole;

8-a connector;

81-through hole.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

The present application will be described in detail below with reference to the drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the embodiments of the present application, the terms "first", "second", and the like, unless expressly specified or limited otherwise, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, it should be understood that the terms "upper" and "lower" used in the description of the embodiments of the present application are used in a descriptive sense only and not for purposes of limitation. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

In order to improve image quality, electronic devices such as mobile phones and tablet computers are usually configured with a camera module having a focusing function. The camera module with focusing function generally includes a lens, a voice coil motor, a filter, a bracket, an image sensor and a circuit board, wherein: the lens is accommodated in the voice coil motor; the voice coil motor is used for adjusting the position of the lens to enable the camera to be in the clearest state; the optical filter is fixed on the bracket and used for filtering infrared light; the support is fixed on the circuit board and used for supporting the voice coil motor and the lens; the image sensor is fixed on the circuit board and used for converting the optical signal into an electrical signal.

As shown in fig. 3 and 4, the camera module 10 includes a lens 1, a voice coil motor 2, a filter 3, a bracket 4, an image sensor (also called an image sensor) 5, and a circuit board 6, wherein:

the lens 1 is substantially cylindrical and includes a lens barrel and a lens disposed in the lens barrel. The voice coil motor 2 has a substantially rectangular parallelepiped shape, and includes a housing 21 and a first mounting portion 211 formed in the housing 21, and the lens 1 (or lens barrel) is mounted inside the housing 21 through the first mounting portion 211. In some embodiments, the housing 21 of the vcm 2 may have conductivity, for example, the housing 21 may be made of a magnetic shielding material such as ni-fe alloy, conductive plastic, surface conductive material, conductive glass, etc., so as to eliminate interference of external electromagnetic waves with the vcm 2.

In some embodiments, the voice coil motor 2 and the bracket 4 are fixed by thermosetting adhesive or solder paste, and the bracket 4 is fixed on the circuit board 6 (for example, fixed by thermosetting adhesive or solder paste) for supporting the voice coil motor 2 and the lens 1. Still be provided with the pin (not shown in the figure) in voice coil motor 2 near one side of circuit board 6, this pin can be connected with circuit board 6 through soldering tin realization electricity, so usable circuit board 6 passes through the pin with electric signal and transmits to voice coil motor 2, be provided with carrier 24 (can see fig. 11) in voice coil motor 2's the shell 21, carrier 24 passes through the spring leaf (not shown in the figure) to be fixed on voice coil motor 2's bottom plate, the periphery of carrier 24 is provided with coil (not shown in the figure), voice coil motor 2 utilizes the coil to produce the magnetic field, act on carrier 24 and drive camera lens 1 reciprocating motion, realize automatic focusing, thereby make the image more clear. For example, the outer portion of the lens barrel is provided with external threads, and the inner wall of the carrier 24 is provided with internal threads, thus achieving the connection of the lens 1 (or lens barrel) with the voice coil motor 2. In some implementations, the shape of the pins can be a cylinder type, a prism type, or a flat strip type.

The filter 3 is fixed to the holder 4, for example, the holder 4 is provided with a second mounting portion 42, and the filter 3 is fixed to the second mounting portion 42 by thermosetting adhesive. The filter 3 may be an infrared filter such as a white glass filter, a blue glass filter, or a plexiglass filter. In some implementations, the filter 3 may also be another filter capable of filtering infrared rays, such as a narrowband filter or another type of band pass filter, so that infrared rays can be filtered by the filter 3 to obtain better image display effect. The shape of the filter 3 may be rectangular, circular or other shapes as long as it is ensured that the projection of the filter 3 onto the image sensor 5 can completely cover the image sensor 5. Of course, the filter 3 of the camera module 10 may also be a filter capable of filtering out ultraviolet light or visible light, and is not specifically limited in this application.

The image sensor 5 may be fixed on the circuit board 6 by thermosetting adhesive to be electrically connected with the circuit board 6. In some implementations, the image sensor 5 may also be fixed to the circuit board 6 by solder paste. The image sensor 5 may be a Charge Coupled Device (CCD) sensor or a Complementary Metal Oxide Semiconductor (CMOS) sensor, and is used for converting an optical signal into an electrical signal.

As mentioned in the background, the filter 3', the holder 4' and the circuit board 6 'together form a cavity 4a' after the camera module is assembled. The support 4' is provided with air holes 41', and when the hot melt adhesive 411' seals the air holes 41', the cavity 4a ' is not communicated (i.e., sealed) with the outside. However, during the actual assembly or application of the electronic device, there may be a pressure change, for example, when the difference between the internal pressure and the external pressure of the camera module is greater than 0.3Mpa, stress may be concentrated on the filter 3' mounted on the bracket 4', and the filter 4' may be broken. In order to eliminate or reduce this pressure difference, and thus ensure that the support 4 'is better secured to the circuit board 6' and protects the filter 3', the cavity 4a' is in gaseous communication with the outside. In order to prevent external dust particles or moisture from entering the cavity 4a 'through the air holes 41' and simultaneously meet the requirement of communicating the cavity 4a 'with the outside, a breathable film connected with the air holes 41' is arranged on the support 4 'without using hot melt adhesive, so that the risk that the optical filter 3' is cracked when the camera module is in a condition with large pressure change is avoided.

Fig. 4 is an exploded view of a camera module according to an embodiment of the present application, fig. 5 is an exploded view of a bracket and a breathable film of the camera module shown in fig. 4, and fig. 6 is a cross-sectional view of the camera module shown in fig. 4, except for a lens and a voice coil motor. With reference to fig. 4 to 6, in the present embodiment, the support 4, the filter 3 and the circuit board 6 jointly enclose a first cavity 4 a. The support 4 comprises a first support 43 and a second support 44, the gas permeable membrane 7 is arranged between the first support 43 and the second support 44, and the first support 43, the second support 44 and the gas permeable membrane 7 are fixed to each other, for example, by hot press molding or gluing (i.e., fixing can be performed by using thermosetting adhesive as a connecting member), so that the gas permeable membrane 7 and the support 4 can be more firmly fixed. Wherein the first bracket 43 is provided with a first vent 431, the second bracket 44 is provided with a second vent 441, and the permeable membrane 7 is disposed between the first bracket 43 and the second bracket 44, that is, the first vent 431 and the second vent 441 are disposed opposite to each other across the permeable membrane 7 and form the vent 43. For example, the projection of the first vent 431 on the second bracket 44 overlaps the second vent 441, either completely or partially. It is understood that the shape and area of the vent membrane 7 can be substantially the same as the shape and area of the first support 43 or the second support 44, but can be different as long as the vent membrane 7 is disposed between the first vent 431 and the second vent 441. The number of the first vent 431 and the second vent 441 is at least one, and the shape of the first vent 431 and the second vent 441 can be cylindrical, truncated cone, strip and the like. The first air hole 431, the second air hole 441 and the air-permeable membrane 7 jointly play a role of communicating the first cavity 4a with the outside. The air holes 41 (or the first air hole 431 and the second air hole 441) are formed in the bracket 4, and the first cavity 4a is communicated with the outside through the air holes 41, so that the risk that the optical filter 3 is cracked when the camera module 10 encounters a condition with large pressure change can be avoided.

In the present embodiment, the first bracket 43 is provided with the first mounting hole 432, the second bracket 44 is provided with the second mounting hole 442, the gas permeable membrane 7 is provided with the third mounting hole 71, the first mounting hole 432, the third mounting hole 71 and the second mounting hole 442 are arranged in this order, the second bracket 44 is further provided with the second mounting portion 42, and the second mounting portion 42 may be a stepped structure adjacent to or surrounding the second mounting hole 442. It is understood that the projection areas of the first mounting hole 432 and the third mounting hole 71 projected onto the plane of the second mounting hole 442 are at least larger than the projection areas of the second mounting hole 442, so as to mount the filter 3 on the second mounting portion 42 around the second mounting hole 442, thereby allowing light to pass through the filter 3 and irradiate the image sensor 5. Of course, the filter 3 may be mounted around the first mounting hole 432, but when the filter 3 is mounted around the second mounting hole 442, the filter 3 may be embedded in the holder 4, that is, the filter 3 may not extend beyond the outer surface of the first holder 43, so that the mounting structure of the holder 4 and the filter 3 may be ensured to be more compact.

In some embodiments, the breathable membrane 7 is made of a waterproof breathable material, such as at least one of a breathable polyurethane material, a breathable polyethylene material, a breathable polypropylene material, and a breathable polytetrafluoroethylene material. The diameter of the micropores of the breathable film 7 made of waterproof breathable material is 0.1-0.5 μm, the diameter of dust particles in the air is generally at least several micrometers, and the diameter of water mist is at least 20 μm, so that the dust particles and the water mist can not pass through the breathable film 7, and the waterproof breathable effect is achieved.

Fig. 7 is yet another embodiment of the present application. In this embodiment, the stent 4 and the gas permeable membrane 7 are the same except that they are arranged in a different manner from the embodiment shown in FIGS. 4 to 6. In this embodiment, at least a portion of the first support 43 is connected to the second support 44, i.e., the support 4 and the gas-permeable membrane 7 are formed by an integral injection molding process, i.e., the gas-permeable membrane 7 can be placed in a mold cavity (not shown), and then a material (e.g., plastic) for forming the support 4 can be injected into the mold cavity. The integral injection molding process can adopt a double-material injection molding process or an in-mold transfer molding process. It should be noted that the stent 4 in this embodiment is actually an integral body, and in order to embody the stent 4 covering the breathable membrane 7, the stent 4 can be regarded as including the first stent 43 and the second stent 44, wherein the rest of the structure of the first stent 43 and the second stent 44 is regarded as the same as the structure of the stent 4 shown in fig. 6 except that the two have the connected portion. The bracket 4 and the breathable film 7 are manufactured by adopting an integral injection molding process, and the breathable film 7 can be firmly fixed with the bracket 4.

Fig. 8 is yet another embodiment of the present application. In this embodiment, the stent 4 and the gas permeable membrane 7 are the same except that they are arranged in a different manner from the embodiment shown in FIGS. 4 to 6. In the present embodiment, the air permeable membrane 7 is connected to the support 4 through the connecting member 8, wherein the air permeable membrane 7 can be disposed on the surface of the side of the air permeable hole 41 facing the circuit board 6 and/or the side far away from the circuit board 6, so that the air permeable membrane 7 can be more firmly fixed to the support 4. In some implementations, the connection member 8 may be a thermosetting adhesive by which the air permeable membrane 7 can be firmly attached to the air permeable holes 41. In other implementations, the connecting member 8 may be a glue film, and the connecting member 8 is provided with a through hole 81 opposite to the air hole 41 to ensure that air can smoothly pass through the connecting member 8. Wherein, the aperture of the through hole 81 should be at least larger than the aperture of the vent 41 near the side of the gas permeable membrane 7, so as to facilitate the gas circulation.

Of course, the gas permeable membrane 7 may not be fixed to the support 4 by the connecting member 8, i.e., the connecting member 8 may be omitted. For example, the air permeable membrane 7 can be connected to the air holes 41 (i.e., fixed to the support 4) by a hot pressing process, which is simple in process and can save the cost of the connecting member 8.

Fig. 9 is an exploded view of a camera module according to another embodiment of the present application; FIG. 10 is a schematic view of a voice coil motor of the camera module shown in FIG. 9; fig. 11 is a cross-sectional view of the camera module shown in fig. 9. With reference to fig. 9 to 11, in the present embodiment, the voice coil motor 2 includes a supporting portion 2a far from the lens 1, the optical filter 3 is fixed to the supporting portion 2a, the supporting portion 2a is fixed to the circuit board 6, and the supporting portion 2a has the same function as the support 4 in the previous embodiment, for example, it can play a role of supporting the voice coil motor 2, i.e., it can be considered that the support 4 in the previous embodiment is omitted in the present embodiment. It should be noted that, the side of the voice coil motor 2 away from the lens 1 is provided with a bottom plate 22, and the support portion 2a includes the bottom plate 22 and a part of the housing 21 surrounding the bottom plate 22, so that the support portion 2a can have the same function as the bracket 4 in the previous embodiment. In this embodiment, the filter 3, the support 2a and the circuit board 6 enclose a first cavity 4 a.

In the present embodiment, the supporting portion 2a is provided with the ventilation holes 41, specifically, the bottom plate 22 of the supporting portion 2a is provided with the ventilation holes 41, the center of the bottom plate 22 is further provided with the mounting hole 222 for mounting the optical filter 3, and the optical filter 3 is mounted on the second mounting portion 42 around the mounting hole 222. It will be appreciated that the mounting holes 222 serve the same function as the first mounting holes 432, the second mounting holes 442 and the third mounting holes 71 of the previous embodiment. The present embodiment is advantageous in reducing the manufacturing cost, reducing the height of the camera module 10, and reducing the weight of the electronic device such as the mobile phone by omitting the bracket 4, because the bottom plate 22 of the voice coil motor 2 is used to replace the bracket in the foregoing embodiments.

In the present embodiment, referring to fig. 11, the ventilation hole 41 is formed on the bottom plate 22 of the voice coil motor 2, and the lens 1 and the voice coil motor 2 enclose a second cavity 23, specifically, the lens 1, the housing 21 and the bottom plate 22 enclose the second cavity 23 together. The second cavity 23 accommodates a carrier 24, the carrier 24 functions to support the lens 1, and the operation of the carrier 24 is described above and will not be described herein. The first cavity 4a is communicated with the second cavity 23 through the vent 41, so that the risk that the optical filter 3 is broken when the camera module 10 encounters a condition with a large pressure change can be avoided. It should be noted that, the second cavity 23 has the same function as the "external" mentioned in the foregoing embodiment, and is communicated with the first cavity 4a, so as to reduce the pressure difference between the inside and the outside of the first cavity 4a when the camera module 10 encounters a condition with a large pressure change, thereby preventing the optical filter 3 from being broken.

In other embodiments, the housing 21 may also be provided with a through hole, through which the second cavity 23 can communicate with the outside. However, the first cavity 4a and the second cavity 23 usually pass through the ventilation hole 41 and the second cavity 23 to prevent the optical filter 3 from being cracked, and if the housing 21 is further provided with a through hole, the processing steps are increased, and the appearance of the voice coil motor 2 is affected. Therefore, the first cavity 4a and the second cavity 23 can be communicated through the ventilation hole 41.

In this embodiment, the gas permeable membrane 7 is disposed on the side of the gas permeable hole 41 facing the circuit board 6 and/or the side away from the circuit board 6, for example, when the gas permeable membrane 7 is disposed on the side of the gas permeable hole 41 facing the circuit board 6, the gas permeable membrane 7 is located in the first cavity 4 a; when the air permeable membrane 7 is arranged at one side of the air vent 41 far away from the circuit board 6, the air permeable membrane 7 is positioned in the second cavity 23. That is to say, when the ventilated membrane 7 sets up in the one side of bleeder vent 41 towards circuit board 6 and/or keep away from one side of circuit board 6, ventilated membrane 7 all is located camera module 10's inside, so can guarantee under the prerequisite that does not influence camera module 10 outward appearance, just can realize camera module 10's waterproof ventilative effect.

For example, referring to fig. 9 and 10, the bottom plate 22 of the voice coil motor 2 is further provided with a third mounting portion 221, the gas permeable membrane 7 can be mounted on the third mounting portion 221, the third mounting portion 221 is disposed around the vent hole 41, and since the third mounting portion 221 is disposed on the bottom plate 22, that is, the gas permeable membrane 7 is located inside the first cavity 4 a. So set up, can make the ventilated membrane 7 can conveniently install on the third installation department 221, that is to say that it is more convenient that the ventilated membrane 7 is installed in first cavity 4a than installing in second cavity 23. In some implementations, the third mounting portion 221 may be an annular structure, and the air permeable membrane 7 is fixed to the third mounting portion 221 through the connecting member 8, so that the mounting strength of the air permeable membrane 7 can be ensured.

Fig. 12 is yet another embodiment of the present application. Unlike the previous embodiments, in the present embodiment, the circuit board 6 is provided with the ventilation holes 41, and the gas permeable membrane 7 is provided on the side of the ventilation holes 41 facing the support 4 and/or the side away from the support 4. For example, the air permeable membrane 7 can be attached to the side of the air holes 41 facing the stent 4 and/or the side far away from the stent 4 by hot pressing. For another example, the air permeable membrane 7 can be attached to the side of the air holes 41 facing the stent 4 and/or the side far away from the stent 4 through connecting members 8, wherein the connecting members 8 are provided with through holes 81 opposite to the air holes 41. In some implementation schemes, the breathable film 7 is disposed on one side of the circuit board 6 facing the support 4, i.e., the breathable film 7 is disposed inside the camera module 10, so as to ensure that the waterproof and breathable effect of the camera module 10 can be achieved on the premise of not affecting the appearance of the camera module 10. Of course, the air permeable membrane 7 may also be disposed on the outer surface of the camera module 10 (or the circuit board 6), that is, the air permeable membrane 7 may be disposed on the side of the air hole 41 away from the bracket 4.

It should be noted that the foregoing embodiments may be combined as long as at least one of the support 4, the voice coil motor 2, and the circuit board 6 is provided with the vent holes 41 and the gas permeable membrane 7 connected to the vent holes 41. Alternatively, it is sufficient to ensure that at least one of the voice coil motor 2 and the circuit board 6 is provided with the ventilation holes 41 and the ventilation film 7 connected to the ventilation holes 41.

As shown in fig. 13, an electronic device 100 is further provided in the embodiment of the present application, where the electronic device 100 includes a camera module 10 and a housing 20, where the camera module 10 is the camera module 10 mentioned above.

In some embodiments, the camera module 10 may be disposed within the housing 20. For example, the housing 20 may be provided with a relief hole (not shown) at a position indicated by a dashed line in fig. 13 for allowing light to enter the camera module 10, so that the camera module 10 can be conveniently used for shooting.

In other embodiments, the electronic device 100 further includes a display 30, the display 30 is disposed on one side (e.g., the front side) of the housing 20, and the camera module 10 can be disposed on the other side (e.g., the back side) of the housing 20.

In some embodiments, electronic device 100 may be any of various types of computer system devices that are mobile or portable and that perform wireless communications (e.g., a cell phone as shown in FIG. 13). In some implementations, the electronic device 100 may be a mobile phone or smart phone (e.g., an iPhone or Android based phone), a Portable gaming device (e.g., a Nintendo DS, Play Station Portable, Game Advance, iPhone, etc.), a laptop, a PDA, a Portable Internet appliance, a music player, and a data storage device, other handheld devices, and a headset such as a watch, an in-ear headset, a pendant, a headset, etc., and the electronic device 100 may also be other wearable devices (e.g., a headset of an electronic glasses, an electronic garment, an electronic bracelet, an electronic necklace, an electronic tattoo, or a smart watch).

The electronic device 100 may also be any of a plurality of electronic devices 100, the plurality of electronic devices 100 including, but not limited to, cellular telephones, smart phones, other wireless communication devices, personal digital assistants, audio players, other media players, music recorders, video recorders, cameras, other media recorders, radios, medical devices, vehicle transportation equipment, calculators, programmable remote controls, pagers, laptop computers, desktop computers, printers, netbook computers, Personal Digital Assistants (PDAs), Portable Multimedia Players (PMPs), moving Picture experts group (MPEG-1 or MPEG-2) Audio layer (MP3) players, portable medical devices, and digital cameras, and combinations thereof.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A camera module, comprising:

a lens;

the lens is accommodated in the voice coil motor;

an optical filter;

the voice coil motor and the optical filter are fixed on the bracket;

2. The camera module of claim 1, wherein the bracket comprises a first bracket and a second bracket,

the first support is provided with a first air hole, the second support is provided with a second air hole, the first air hole and the second air hole are oppositely arranged and form the air holes, and the air-permeable film is arranged between the first air hole and the second air hole.

3. The camera module according to claim 1, wherein the support is provided with the vent, and the air permeable membrane is disposed on a side of the vent facing the circuit board and/or a side of the vent away from the circuit board.

4. The camera module according to claim 1, wherein the circuit board is provided with the vent, and the air permeable membrane is disposed on a side of the vent facing the bracket and/or a side of the vent away from the bracket.

5. A camera module, comprising:

a lens;

the optical filter is fixed on the supporting part;

6. The camera module as claimed in claim 5, wherein the lens and the voice coil motor enclose a second cavity, and the first cavity is communicated with the second cavity through the vent;

the breathable film is arranged on one side of the circuit board and/or one side of the circuit board far away from the breathable hole.

7. The camera module according to claim 5, wherein the circuit board is provided with the vent, and the air permeable film is disposed on a side of the vent facing the support portion and/or a side of the vent away from the support portion.

8. The camera module according to any one of claims 1 to 7, further comprising a connecting member, wherein the air permeable membrane is connected with the air vent through the connecting member.

9. The camera module as claimed in claim 8, wherein the connecting member is provided with a through hole disposed opposite to the air hole.

10. The camera module as claimed in any one of claims 1 to 7, wherein the air permeable membrane is connected to the air vent by a hot pressing process.

11. The camera module according to any one of claims 1 to 7, wherein the waterproof and breathable material comprises at least one of a breathable polyurethane material, a breathable polyethylene material, a breathable polypropylene material, a breathable polytetrafluoroethylene material, and other high molecular materials.

12. An electronic device, characterized in that the electronic device comprises a camera module according to any one of claims 1-11.