CN113890982B - Camera module and electronic equipment - Google Patents
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- CN113890982B CN113890982B CN202111360075.7A CN202111360075A CN113890982B CN 113890982 B CN113890982 B CN 113890982B CN 202111360075 A CN202111360075 A CN 202111360075A CN 113890982 B CN113890982 B CN 113890982B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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Abstract
The application provides a camera module and electronic equipment, the camera module includes imaging chip, lens assembly, field lens assembly and a plurality of elastic pieces; the lens component is arranged corresponding to the imaging chip; the field lens assembly is arranged between the lens assembly and the imaging chip. The field lens assembly comprises a plurality of field lens components and a plurality of sliding blocks, the sliding blocks are arranged along the circumferential direction of the field lens components, are respectively connected with the field lens components and are contacted with the lens assembly, and the contact surfaces of the sliding blocks contacted with the lens assembly are inclined relative to the imaging chip; the first end of each elastic piece of the plurality of elastic pieces is connected with one sliding block of the plurality of sliding blocks and can drive the plurality of elastic pieces to move towards the optical axis direction of the lens assembly. The slider cooperates with the elastic component, which can increase the applicable focusing range of the field lens assembly and improve the correction effect of the camera shooting module on the field curvature.
Description
Technical Field
The application relates to the technical field of electronic equipment, in particular to a camera module and electronic equipment.
Background
At present, photographing and video recording become important demands of people, so that the performance of a camera is required to be higher and higher, however, when the camera module is used for imaging, the intersection point of a light beam passing through a lens is not overlapped with an ideal point, although clear image points can be obtained at each specific point, the whole image plane is a curved surface, so that field curvature exists when photographing, and the imaging quality of the camera module is further affected.
In the related art, in order to reduce the field curvature of the imaging module during imaging, a fixed field lens is added behind the lens, but the fixed field lens can only be optimized for a specific object distance, and cannot realize field curvature correction in the full focusing range.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, a first aspect of the present application proposes a camera module.
A second aspect of the present application proposes an electronic device.
In view of the above, a first aspect of the present application provides a camera module, including an imaging chip, a lens assembly, a field lens assembly, and a plurality of elastic members; the lens component is arranged corresponding to the imaging chip; the field lens assembly is arranged between the lens assembly and the imaging chip. The field lens assembly comprises a plurality of field lens components and a plurality of sliding blocks, the sliding blocks are arranged along the circumferential direction of the field lens components, are respectively connected with the field lens components and are contacted with the lens assembly, and the contact surfaces of the sliding blocks contacted with the lens assembly are inclined relative to the imaging chip; the first end of each elastic piece of the plurality of elastic pieces is connected with one sliding block of the plurality of sliding blocks and can drive the plurality of elastic pieces to move towards the optical axis direction of the lens assembly.
In the technical scheme, the camera shooting module comprises an imaging chip, a lens component and a field lens component; the lens component is arranged corresponding to the imaging chip, so that light rays can be transmitted to the imaging chip after passing through the wafer component; the field lens assembly is arranged between the lens assembly and the imaging chip, and can adjust the imaging position of light after passing through the lens assembly, so that after the light passes through the lens assembly, the field lens assembly can adjust the propagation path of the light, the imaging position of the imaging chip changes, imaging on the imaging chip can be positioned in the same plane, field curvature can be corrected, and field curvature during imaging is reduced, so that the imaging quality of the camera module is improved.
The field lens assembly comprises a plurality of sliding blocks, the sliding blocks are arranged along the circumference of the field lens components, are connected with the field lens components respectively and are in contact with the lens assembly, so that the installation of the sliding blocks is realized, the contact surfaces of the sliding blocks and the lens assembly are inclined relative to the imaging chip, and when the sliding blocks move, the sliding blocks can push the field lens components to move away from the optical axis of the lens assembly. The first end of each elastic piece of the plurality of elastic pieces is connected with one sliding block of the plurality of sliding blocks and can drive the plurality of elastic pieces to move towards the optical axis of the lens assembly.
The slider cooperates with the elastic component, and then realizes the drive to a plurality of field lens components for can drive the field lens part and move when making a video recording the module and carry out focusing, and then can carry out the correction of field curvature when focusing the field lens part, and can adjust the degree of correcting the field curvature according to the focus, make the field lens component can correct the field curvature in the scope of focusing more greatly, increase the scope of focusing that the field lens component is suitable for, promote the correction effect of the module of making a video recording to the field curvature.
The second aspect of the present application provides an electronic device, including the camera module in any one of the above-mentioned technical solutions, so the electronic device includes all the beneficial effects of the camera module.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, wherein:
FIG. 1 illustrates a schematic diagram of a field lens component according to one embodiment of the present application;
FIG. 2 illustrates a schematic view of the position of a field lens member according to one embodiment of the present application;
FIG. 3 shows a schematic view of light passing through a lens according to one embodiment of the present application;
FIG. 4 illustrates a schematic diagram of a field lens curvature taper in accordance with one embodiment of the present application;
FIG. 5 illustrates a schematic diagram of lens curvature of field as a function of object distance in accordance with an embodiment of the present application;
FIG. 6 illustrates a schematic view of a field lens assembly mounted on a camera module according to one embodiment of the present application;
FIG. 7 illustrates a schematic view of a field lens member placement direction according to one embodiment of the present application.
Wherein, the correspondence between the reference numerals and the component names in fig. 1 to 7 is:
1 camera module, 12 imaging chip, 14 lens assembly, 142 lens cone, 144 lens, 16 field lens assembly, 162 field lens component, 164 slider, 18 circuit board, 20 support, 22 elastic component.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and thus the scope of the present application is not limited by the specific embodiments disclosed below.
The following describes an image capturing module 1 and an electronic apparatus according to some embodiments of the present application with reference to fig. 1 to 7.
As shown in fig. 1 and 2, a first aspect of the present application provides an imaging module 1 including an imaging chip 12, a lens assembly 14, a field lens assembly 16, and a plurality of elastic members 22; the lens component 14 is arranged corresponding to the imaging chip 12; the field lens assembly 16 is disposed between the lens assembly 14 and the imaging chip 12. The field lens assembly 16 includes a plurality of field lens members 162 and a plurality of sliders 164, the plurality of sliders 164 are disposed along a circumferential direction of the plurality of field lens members 162, are respectively connected to the plurality of field lens members 162 and contact the lens assembly 14, and contact surfaces of the plurality of sliders 164 contacting the lens assembly 14 are inclined with respect to the imaging chip 12; the plurality of elastic members 22, the first end of each elastic member 22 of the plurality of elastic members 22 is connected with one of the plurality of sliders 164, and is capable of driving the plurality of elastic members 22 to move toward the optical axis direction of the lens assembly 14.
In this embodiment, the camera module 1 includes an imaging chip 12, a lens assembly 14, and a field lens assembly 16; the lens assembly 14 is disposed in correspondence with the imaging chip 12 so that light can propagate onto the imaging chip 12 after passing through the wafer assembly; the field lens assembly 16 is arranged between the lens assembly 14 and the imaging chip 12, and can adjust the imaging position of the light after passing through the lens assembly 14, so that after the light passes through the lens assembly 14, the field lens assembly 16 can adjust the propagation path of the light, the imaging position of the imaging chip 12 changes, imaging on the imaging chip 12 can be positioned in the same plane, thereby correcting field curvature, reducing the field curvature during imaging, and improving the imaging quality of the camera module 1.
The field lens assembly 16 includes a plurality of sliders 164, the plurality of sliders 164 being disposed along a circumferential direction of the plurality of field lens members 162, respectively connected to the plurality of field lens members 162, and in contact with the lens assembly 14 to effect mounting of the plurality of sliders 164, a contact surface of the plurality of sliders 164 in contact with the lens assembly 14 being inclined with respect to the imaging chip 12 such that when the plurality of sliders 164 are moved, the plurality of sliders 164 can push the plurality of field lens members 162 to move away from an optical axis of the lens assembly 14. A first end of each spring 22 of the plurality of springs 22 is coupled to one of the plurality of blocks 164 and is capable of driving the plurality of springs 22 toward the optical axis of the lens assembly 14.
The slider 164 cooperates with the elastic element 22, and further drives the field lens assemblies 16, so that the field lens assembly 162 can be driven to move when the camera module 1 focuses, and further the field lens assembly 162 can correct curvature of field when focusing, and the degree of curvature of field correction can be adjusted according to the focal length, so that the field lens assemblies 16 can correct curvature of field in a larger focusing range, the focusing range applicable to the field lens assemblies 16 is increased, and the correction effect of the camera module 1 on curvature of field is improved.
The present embodiment provides an imaging module 1, which further includes the following technical features in addition to the technical features of the above embodiment.
As shown in fig. 2, the field lens assembly 16 includes a plurality of field lens members 162, the plurality of field lens members 162 being arranged around the optical axis of the lens assembly 14, capable of being either near or far from the optical axis of the lens assembly 14.
In this embodiment, the field lens assembly 16 includes a plurality of field lens members 162, the plurality of field lens members 162 being arranged around the optical axis of the lens assembly 14 and being capable of moving toward and away from the optical axis of the lens assembly 14 such that the field lens assembly 16 can move in the direction of the optical axis of the lens assembly 14 to thereby effect adjustment of the path of light traveling through the lens assembly 14.
The present embodiment provides an imaging module 1, which further includes the following technical features in addition to the technical features of the above embodiment.
As shown in fig. 3, the plurality of field lens members 162 are recessed toward the first side of the lens assembly 14 toward the imaging chip 12; the curvature of the first side of the plurality of field lens members 162 decreases from the circumference of the plurality of field lens members 162 toward the optical axis of the lens assembly 14.
In this embodiment, the plurality of field lens members 162 are recessed toward the first side of the lens assembly 14 toward the imaging chip 12 such that the first side of the plurality of field lens members 162 may act as a divergence to the light rays; the curvature of the first sides of the field lens components 162 is reduced from the circumference of the field lens components 162 to the optical axis of the lens assembly 14, so that the surfaces of the first sides of the field lenses are curved surfaces with gradually changing curvature, and the refractive power to light rays at different positions is further different, thereby realizing correction of field curvature.
Specifically, the surface of the first side of the plurality of field lens members 162 is parabolic.
Specifically, as shown in fig. 4, the curvature of the curved surface of the first side of the plurality of field lens members 162 is gradually changed, and the curvature is smaller in the center region and larger in the edges. The curvature at A is minimum, the curvature at B is gradually increased, and the curvature at C is maximum.
As shown in fig. 5, the curvature of field of the lens varies with the focus position, and the larger the curvature of field value as the field of view (abscissa) increases; as the lens focusing distance becomes closer, the field curvature value increases. Therefore, as the focusing distance becomes closer, the light path range which is invaded by the gradual change curved surface is gradually enlarged, and the field curvature correction under the full working distance can be realized. The ordinate is the magnitude of the field curvature, i.e. the distance between the imaged point and the chip.
Specifically, the curve L1 is a change in the field curvature value with an increase in the field of view (abscissa) when the object is 25cm from the lens.
The curve L2 is the change in the field curvature value with increasing field of view (abscissa) when the object is 50cm from the lens.
The curve L3 is a change in the field curvature value with an increase in the field of view (abscissa) when the object is 3m from the lens.
The curve L4 is the change of the field curvature value with the increase of the field of view (abscissa) when the object is at infinity from the lens.
In fig. 5, the abscissa is the imaging height in millimeters; the ordinate is the field curvature in microns.
The present embodiment provides an imaging module 1, which further includes the following technical features in addition to the technical features of the above embodiment.
As shown in fig. 6, the lens assembly 14 includes a barrel 142 and a plurality of lenses 144, the plurality of lenses 144 being disposed within the barrel 142.
In this embodiment, the lens assembly 14 includes a lens barrel 142 and a plurality of lenses 144, the plurality of lenses 144 are disposed in the lens barrel 142 to enable mounting and fixing of the plurality of lenses 144, and the plurality of lenses 144 are disposed in the lens barrel 142 such that when imaging can be performed by adjusting the distance between the plurality of lenses 144, the distance between the plurality of lenses 144 is adjusted by adjusting the lens barrel 142 to enable adjustment of the magnification of the plurality of lenses 144.
Specifically, the lenses 144 are disposed in the lens barrel 142 and fixed by dispensing.
The present embodiment provides an imaging module 1, which further includes the following technical features in addition to the technical features of the above embodiment.
As shown in fig. 6, the field lens assembly 16 includes a plurality of slider blocks 164, the plurality of slider blocks 164 being disposed along a circumferential direction of the plurality of field lens members 162, respectively connected to the plurality of field lens members 162, and in contact with the lens barrel 142, wherein a contact surface of the plurality of slider blocks 164 in contact with the lens barrel 142 is inclined with respect to the imaging chip 12.
In this embodiment, the field lens assembly 16 includes a plurality of slide blocks 164, where the plurality of slide blocks 164 are disposed along a circumferential direction of the plurality of field lens components 162, and are respectively connected with the plurality of field lens components 162 and contact with the lens barrel 142, so as to implement installation of the plurality of slide blocks 164, and a contact surface of the plurality of slide blocks 164 contacting with the lens barrel 142 is inclined with respect to the imaging chip 12, so that when the plurality of slide blocks 164 move, the plurality of slide blocks 164 can push the plurality of field lens components 162 to move, and further by setting the slide blocks 164 to connect with the field lens components 162, the slide blocks 164 can push the field lens, so that the field lens components can be driven to move while focusing, and further the field lens components can correct field curvature while focusing, so that an increase in thickness of the mobile phone will not be caused.
Specifically, the plurality of field lens members 162 are secured to the plurality of sliders 164 by dispensing.
Specifically, when the focal distance is moved from far to near, the lens will move upward, the slider 164 will move inward, and the field lens will be pushed inward into the optical path, so that the correction capability of the field lens is enhanced, and the situation that the field curvature is large is dealt with.
Specifically, the field lens members 162 are 2, 3, or 4.
The present embodiment provides an imaging module 1, which further includes the following technical features in addition to the technical features of the above embodiment.
As shown in fig. 6, the camera module 1 further includes a circuit board 18, a bracket 20, and a plurality of elastic members 22, where the imaging chip 12 is disposed on the circuit board 18; the bracket 20 is disposed on the circuit board 18 and along the circumferential direction of the plurality of sliders 164; each of the plurality of elastic members 22 has a first end connected to one of the plurality of sliders 164 and a second end connected to the bracket 20.
In this embodiment, the camera module 1 further includes a circuit board 18, a bracket 20, and a plurality of elastic members 22, and the imaging chip 12 is disposed on the circuit board 18; so that the imaging chip 12 can receive light for imaging, the support 20 is disposed on the circuit board 18 and along the circumferential direction of the plurality of sliders 164, so that the support 20 can support the plurality of sliders 164. The first end of each elastic member 22 of the plurality of elastic members 22 is connected to one of the plurality of sliders 164, and the second end is connected to the bracket 20, so that the plurality of sliders 164 can be connected to the bracket 20 by the plurality of elastic members 22. So that the forces of the elastic members 22 and the rear end of the lens barrel 142 control the actions of the sliding blocks 164 together to realize the position change of the field lens when the lens is moved in focus.
Specifically, when the focusing distance is moved from far to near, the lens will move upward, and the plurality of sliders 164 will move inward under the pushing force of the elastic member 22 to push the field lens to invade the optical path inward, so that the correction capability of the field lens component 162 is enhanced, and the situation that the field curvature is large is dealt with.
Specifically, the elastic member 22 is a spring.
The present embodiment provides an imaging module 1, which further includes the following technical features in addition to the technical features of the above embodiment.
As shown in fig. 7, a gap between adjacent ones 164 of the plurality of sliders 164 is located laterally of an edge of the imaging chip 12 in the length direction; and/or gaps between adjacent ones 164 of the plurality of sliders 164 are located laterally of edges of the imaging chip 12 in the width direction.
In this embodiment, the gaps between adjacent ones 164 of the plurality of sliders 164 are located laterally of the edges of the imaging chip 12 in the longitudinal direction; and gaps between adjacent ones 164 among the plurality of sliders 164 are located laterally of edges of the imaging chip 12 in the width direction. So that the gaps between adjacent ones 164 of the plurality of blocks 164 are located at the long sides of the imaging chip 12, thereby ensuring that all light passes through the field lens assembly 16, i.e., the full field light passes through the field lens member 162, before propagating to imaging. Thereby improving the imaging effect.
Specifically, the gaps between adjacent ones 164 of the plurality of sliders 164 are located laterally of the edges of the imaging chip 12 in the longitudinal direction.
Specifically, the gaps between adjacent ones 164 of the plurality of sliders 164 are located laterally of the edges of the imaging chip 12 in the width direction.
The present embodiment provides an imaging module 1, which further includes the following technical features in addition to the technical features of the above embodiment.
As shown in fig. 6, the image capturing module 1 further includes a first driving component, where the first driving component is connected to at least one field lens component 162 of the plurality of field lens components 162 to drive the at least one field lens component 162 of the plurality of field lens components 162 toward or away from the optical axis of the lens assembly 14.
In this embodiment, the image capturing module 1 further includes a first driving component, where the first driving component is connected to at least one of the field lens components 162 of the plurality of field lens components 162, and when the first driving component moves, the first driving component can drive the field lens component 162 connected to the first driving component to move, and drives at least one of the field lens components 162 to approach or depart from the optical axis of the lens assembly 14, so that by driving the field lens component 162 by using the driving component, the movement of the field lens component 162 can be more convenient.
The present embodiment provides an imaging module 1, which further includes the following technical features in addition to the technical features of the above embodiment.
The field lens assembly 16 is a liquid lens.
In this embodiment, the field lens assembly 16 is a liquid lens so that the liquid lens can achieve a more accurate optimization of field curvature for better imaging.
Specifically, the liquid lens is used as the field lens assembly 16, so that the liquid lens can change the focal length of the lens through the change of the surface tension of the water drop and the reciprocating vibration of the water under the high-frequency sound wave, thereby automatically capturing the picture in the focal length range and presenting clear and smooth images.
The present embodiment provides an imaging module 1, which further includes the following technical features in addition to the technical features of the above embodiment.
The liquid lens comprises a carrier, an elastic membrane and a second driving part, wherein the carrier comprises a containing cavity, liquid can be stored in the containing cavity, and an opening is formed in the carrier; the elastic membrane covers the opening; the second driving part is arranged in the accommodating cavity and can drive the liquid to change the shape of the elastic membrane.
In this embodiment, the liquid lens includes a carrier, an elastic film and a second driving part, the carrier is provided with a containing cavity, the containing cavity can store liquid, and then a storage position for the liquid is provided, an opening is provided on the carrier, and the elastic film covers the opening, so that the elastic film can encapsulate the liquid in the containing cavity of the carrier. The second driving part is arranged in the accommodating cavity, can drive the liquid to change the shape of the elastic film, and then changes the propagation path of light rays entering the lens through the change of the shape of the elastic film, so that the effect of the liquid lens on field curvature correction is improved more highly, and imaging is clearer.
Specifically, the shape of the elastic film is changed to be that the elastic film can be protruded out of the carrier from the opening of the carrier in the same direction or protruded out of the carrier in the same direction as the opening of the carrier, namely, the height of the elastic film protruded out of the carrier is changed, so that the propagation path of light entering the lens is changed, and the effect of the liquid lens on field curvature correction is improved.
Specifically, the elastic film protruding from the opening portion of the carrier has a circular shape or an elliptical shape.
The present embodiment provides an imaging module 1, which further includes the following technical features in addition to the technical features of the above embodiment.
The field lens assembly 16 is closer to the imaging chip 12 than the lens assembly 14 and the imaging chip 12; or field lens assembly 16 is located at the real image plane between lens assembly 14 and imaging chip 12.
In this embodiment, the field lens assembly 16 is closer to the imaging chip 12 than the lens assembly 14 and the imaging chip 12, i.e. the distance between the field lens assembly 16 and the imaging chip 12 is smaller than the distance between the field lens assembly 16 and the lens assembly 14, so that the light beams of each field of view are more focused, and the imaging chip 12 is more beneficial to imaging.
The field lens assembly 16 is located at the real image plane between the lens assembly 14 and the imaging chip 12, so that the light beams of each field of view are converged, thereby being more beneficial to imaging of the imaging chip 12.
The second aspect of the present application provides an electronic device, including the camera module 1 in any of the foregoing embodiments, so that the electronic device includes all the beneficial effects of the camera module 1.
In this embodiment, the electronic device includes a camera module 1, the camera module 1 including an imaging chip 12, a lens assembly 14, and a field lens assembly 16; the lens assembly 14 is disposed in correspondence with the imaging chip 12 so that light can propagate onto the imaging chip 12 after passing through the wafer assembly; the field lens assembly 16 is arranged between the lens assembly 14 and the imaging chip 12, and can adjust the imaging position of light after passing through the lens assembly 14, so that after the light passes through the lens assembly 14, the field lens assembly 16 can adjust the propagation path of the light, the position of the light propagated to the imaging chip 12 changes, imaging on the imaging chip 12 can be located in the same plane, thereby correcting field curvature, reducing the field curvature during imaging, and improving the imaging quality of the camera module 1.
In the claims, specification and drawings of the present application, the term "plurality" means two or more, unless explicitly defined otherwise, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, merely for the convenience of describing the present application and making the description process simpler, and not for the purpose of indicating or implying that the apparatus or element in question must have the particular orientation described, be constructed and operated in the particular orientation, and therefore such description should not be construed as limiting the present application; the terms "connected," "mounted," "secured," and the like are to be construed broadly, and may be, for example, a fixed connection between a plurality of objects, a removable connection between a plurality of objects, or an integral connection; the objects may be directly connected to each other or indirectly connected to each other through an intermediate medium. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art based on the above data.
The descriptions of the terms "one embodiment," "some embodiments," "particular embodiments," and the like in the claims, specification, and drawings of this application mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In the claims, specification and drawings of this application, the schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (10)
1. A camera module, comprising:
an imaging chip;
the lens component is arranged corresponding to the imaging chip;
the field lens assembly is arranged between the lens assembly and the imaging chip;
the field lens assembly comprises a plurality of field lens components and a plurality of sliding blocks, the sliding blocks are arranged along the circumferential direction of the field lens components, are respectively connected with the field lens components and are in contact with the lens assembly, the contact surfaces of the sliding blocks, which are in contact with the lens assembly, are inclined relative to the imaging chip, and the sliding blocks can push the field lens components to be far away from the optical axis of the lens assembly;
the first end of each elastic piece of the plurality of elastic pieces is connected with one sliding block of the plurality of sliding blocks, and the plurality of elastic pieces can be driven to move towards the optical axis direction of the lens assembly.
2. The camera module of claim 1, wherein the camera module comprises a camera module,
the plurality of field lens members are arranged around the optical axis of the lens assembly, and are capable of being either near or far from the optical axis of the lens assembly.
3. The camera module of claim 2, wherein the camera module comprises a camera module having a camera module body,
the plurality of field lens members are recessed toward the first side of the lens assembly toward the imaging chip;
the curvature of the first side of the plurality of field lens components decreases from the circumference of the plurality of field lens components toward the optical axis of the lens assembly.
4. The camera module of claim 2, wherein the lens assembly comprises:
a lens barrel;
the lens is arranged in the lens cone.
5. The camera module of claim 4, further comprising:
the imaging chip is arranged on the circuit board;
the brackets are arranged on the circuit board and are arranged along the circumferential directions of the sliding blocks;
the second end of each elastic piece of the plurality of elastic pieces is connected with the bracket.
6. The camera module of claim 4, wherein the camera module comprises a camera module,
gaps between adjacent sliders in the plurality of sliders are located at sides of edges of the imaging chip in the length direction; and/or
Gaps between adjacent sliders among the plurality of sliders are located laterally of edges of the imaging chip in the width direction.
7. The camera module of claim 2, further comprising:
and the first driving component is connected with at least one field lens component in the plurality of field lens components to drive the at least one field lens component in the plurality of field lens components to be close to or far away from the optical axis of the lens assembly.
8. The camera module of claim 1, wherein the field lens assembly is a liquid lens comprising:
the carrier comprises a containing cavity, wherein the containing cavity can store liquid, and an opening is formed in the carrier;
an elastic film covering the opening;
and the second driving part is arranged in the accommodating cavity and can drive the liquid to change the shape of the elastic membrane.
9. The camera module of any one of claims 1 to 8, wherein,
the field lens assembly is closer to the imaging chip than the lens assembly and the imaging chip; or (b)
The field lens assembly is located at a real image plane between the lens assembly and the imaging chip.
10. An electronic device comprising the camera module of any one of claims 1 to 9.
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| CN202111360075.7A CN113890982B (en) | 2021-11-17 | 2021-11-17 | Camera module and electronic equipment |
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| CN207937673U (en) * | 2018-02-09 | 2018-10-02 | 长沙青波光电科技有限公司 | A kind of field lens |
| CN110650274A (en) * | 2019-09-23 | 2020-01-03 | Oppo广东移动通信有限公司 | Camera module and terminal equipment |
| TW202141115A (en) * | 2020-04-20 | 2021-11-01 | 宏碁股份有限公司 | Head-mounted display and field curvature elimination method |
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