CN114114655A

CN114114655A - Optical lens, camera module, electronic equipment and automobile

Info

Publication number: CN114114655A
Application number: CN202111370928.5A
Authority: CN
Inventors: 王欢; 乐宇明; 兰宾利
Original assignee: Jiangxi Jingchao Optical Co Ltd
Current assignee: Jiangxi Jingchao Optical Co Ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-03-01
Anticipated expiration: 2041-11-18
Also published as: CN114114655B

Abstract

The invention discloses an optical lens, a camera module, electronic equipment and an automobile, wherein the optical lens comprises the following components which are arranged along an optical axis from an object side to an image side in sequence: the fourth lens element with positive refractive power has a concave object-side surface and a convex image-side surface, and the sixth lens element with positive refractive power has a concave object-side surface and a concave image-side surface. The optical lens, the camera module, the electronic equipment and the automobile provided by the invention can realize miniaturization of the optical lens, can realize the characteristics of large aperture and wide angle, and improve the imaging definition.

Description

Optical lens, camera module, electronic equipment and automobile

Technical Field

The invention relates to the technical field of optical imaging, in particular to an optical lens, a camera module, electronic equipment and an automobile.

Background

Along with the development of intelligent control, the requirements on camera devices installed on mechanical equipment (such as mobile phones, computers, robots, automobiles and the like) are higher and higher, and functions of monitoring, detection and the like of electronic equipment are realized by utilizing a camera module so as to realize intelligent control. However, due to the miniaturization development trend of various mechanical devices, the limitation on the installation space of the camera module is large, and in the existing camera module, when the miniaturization design requirement is met, the characteristic of wide angle cannot be achieved, so that the imaging definition of the camera module is reduced.

Disclosure of Invention

The embodiment of the invention discloses an optical lens, a camera module, electronic equipment and an automobile, which can meet the miniaturization design requirement of the optical lens and can realize the wide-angle characteristic of the optical lens so as to improve the imaging definition.

In order to achieve the above object, a first aspect of the present invention discloses an optical lens including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens, which are arranged in order from an object side to an image side along an optical axis;

the first lens element with negative refractive power has a convex object-side surface at a paraxial region thereof and a concave image-side surface at a paraxial region thereof;

the second lens element with negative refractive power has a concave object-side surface at a paraxial region thereof and a convex image-side surface at a paraxial region thereof;

the third lens element with positive refractive power has a concave object-side surface at a paraxial region thereof and a convex image-side surface at a paraxial region thereof;

the fourth lens element with positive refractive power has a convex object-side surface at a paraxial region thereof, and has a convex image-side surface at a paraxial region thereof;

the fifth lens element with positive refractive power has a convex object-side surface at a paraxial region thereof and a convex image-side surface at a paraxial region thereof;

the sixth lens element with negative refractive power has a concave object-side surface at a paraxial region thereof and a concave image-side surface at a paraxial region thereof;

the seventh lens element with positive refractive power has a convex object-side surface at a paraxial region thereof and a convex image-side surface at a paraxial region thereof.

In the optical lens provided by the application, the first lens element has negative refractive power, and the object-side surface and the image-side surface of the first lens element are designed to be convex and concave, respectively, so that the first lens element can receive incident light rays with a larger angle, and the field angle range of the optical lens is expanded, so that the characteristic of a large field angle is obtained, meanwhile, the sensitivity of the optical lens is reduced, and the imaging quality of the optical lens is improved; the second lens element with negative refractive power has a concave surface design on both the object side surface and the image side surface, so that the transition of large-angle incident light rays is more gradual; the positive refractive power of the third lens and the positive refractive power of the fourth lens can balance aberration generated when incident light passes through the first lens and the second lens, the incident light is further converged, the total optical length of the optical lens can be shortened, and further the miniaturization design of the optical lens is realized, and the surface type design that the object side surface and the image side surface of the third lens are respectively concave and convex and the object side surface and the image side surface of the fourth lens are both convex is matched, so that the transition of the incident light can be more gradual, the relative illumination of the optical lens is improved, and the sensitivity tolerance of the optical lens is reduced; the fifth lens element with positive refractive power and the sixth lens element with negative refractive power can balance the aberration generated by each other, so that the tolerance sensitivity of the optical lens can be reduced, and the imaging quality of the optical lens can be improved; the seventh lens element with positive refractive power has a convex object-side surface and a convex image-side surface, so that aberration generated by the optical lens can be effectively corrected, distortion can be reduced, and an MTF (modulation transfer function) curve of the optical lens can be more concentrated, thereby improving imaging definition of the optical lens.

As an alternative implementation, in an embodiment of the first aspect of the present invention, the optical lens satisfies the following relation:

2.5＜FOV/CRA＜4.5；

the FOV is the maximum field angle of the optical lens, and the CRA is the chief ray incident angle of the maximum field of the optical lens.

In the shooting process, the influence of the incident angle of the incident light on the imaging quality of the optical lens is large, when the incident angle of the incident light is too large, but the field angle of the optical lens is not large enough, the optical lens cannot well receive the incident light with a large angle, and the incident light with the large angle cannot be incident on an image sensor of the camera module at a proper angle, so that the imaging effect of the optical lens is poor. Therefore, when the optical lens meets the relational expression, the incident light can be emitted onto the image sensor of the camera module at a proper angle while the optical lens realizes a large field angle, so that the light sensitivity of the image sensor is improved, and the imaging quality of the optical lens is improved.

10＜|nd2-nd3|*100＜16.5；

where nd2 is the refractive index of the second lens and nd3 is the refractive index of the third lens.

The refractive indexes of the second lens element and the third lens element are reasonably configured, so that the second lens element and the third lens element provide proper refractive power for the optical lens, which is beneficial to correcting the aberration of the optical lens, thereby improving the resolving power of the optical lens and improving the imaging quality of the optical lens.

0.25＜|((SD S1)/(RDY S1))|*100＜0.35；

wherein SD S1 is an effective half aperture of the object side surface of the first lens, and RDY S1 is a curvature radius of the object side surface of the first lens at the optical axis.

The size of the effective half aperture of the lens can influence the bending degree of the lens and the processing difficulty of the lens, and when the first lens meets the relational expression, the processing and manufacturing difficulty of the first lens can be reduced, and the production yield of the first lens is improved; meanwhile, the definition of the relational expression can avoid the generation of ghost so as to improve the imaging quality of the optical lens.

0.15＜ImgH/TTL＜0.25；

wherein ImgH is a radius of a maximum effective imaging circle of the optical lens, and TTL is a distance from an object-side surface of the first lens element to an imaging surface of the optical lens on the optical axis, that is, a total length of the optical lens.

When the optical lens meets the relational expression, the total length of the optical lens can be controlled within a proper range while the imaging quality of the optical lens is improved, and further the miniaturization and high-quality imaging of the optical lens are realized.

-2＜f1/f＜-1.5；

wherein f1 is the focal length of the first lens, and f is the effective focal length of the optical lens.

The first lens element is a lens element closest to the object side in the optical lens assembly, and when the first lens element is configured as a lens element with negative refractive power, the optical lens assembly can receive incident light with a large angle, and the field angle range of the optical lens assembly is enlarged, so that the optical lens assembly with a large field angle is obtained; meanwhile, the sensitivity of the optical lens may be reduced and miniaturization of the optical lens may be achieved by defining the focal length of the first lens and the effective focal length of the optical lens.

-2.85＜f56/f＜-2.45；

wherein f56 is a combined focal length of the fifth lens and the sixth lens, and f is an effective focal length of the optical lens.

The fifth lens and the sixth lens form a cemented lens with a negative combined focal length, so that the assembly sensitivity of the optical lens can be reduced, the processing difficulty of the optical lens is further reduced, and the assembly yield of the optical lens is improved; and when the optical lens meets the relational expression, the chromatic aberration of the optical lens can be effectively corrected, the eccentricity sensitivity of the optical lens can be reduced, the chromatic aberration of the optical lens can be balanced, and the imaging quality of the optical lens can be improved.

0.5＜ΣCT/TTL＜0.75；

wherein Σ CT is a sum of thicknesses of the first lens element to the seventh lens element on the optical axis, and TTL is a distance from an object-side surface of the first lens element to an image plane of the optical lens on the optical axis, that is, a total length of the optical lens.

When the optical lens meets the relational expression, the positions and the central thickness of all the lenses of the optical lens can be reasonably configured, the compact structure among all the lenses is ensured, and then the total length of the optical lens is shortened to meet the miniaturization design requirement of the optical lens.

1.4≤f/EPD≤1.5；

wherein f is an effective focal length of the optical lens, and EPD is an entrance pupil diameter of the optical lens.

The limitation of the above relation can make the effective focal length and the entrance pupil diameter of the optical lens reasonably configured, and the total length of the optical lens can be shortened while the optical lens has the characteristic of a large aperture, so that the wide angle and miniaturization of the optical lens can be realized, and the imaging quality of the optical lens and the shooting effect under the wide angle condition can be improved.

0.5＜R13/f7≤1；

wherein R13 is a radius of curvature of an object-side surface of the seventh lens at an optical axis, and f7 is a focal length of the seventh lens.

Because the seventh lens element has positive refractive power, when the positive refractive power of the seventh lens element is too large, the deflection angle of the incident light in the optical lens is too large, which affects the imaging quality of the optical lens, and meanwhile, the too large positive refractive power also affects the correction of the aberration of the optical lens, which further affects the imaging quality of the optical lens. By limiting the relational expression, the refractive power of the seventh lens element can be reasonably configured, so that the seventh lens element provides reasonable positive refractive power for the optical lens, the situation that the deflection angle of incident light in the optical lens is too large can be avoided, the sensitivity of the optical lens is reduced, and the imaging quality of the optical lens is improved.

9＜|nd4-nd5|*100＜11；

where nd4 is a refractive index of the fourth lens, and nd5 is a refractive index of the fifth lens.

By reasonably configuring the refractive indexes of the fourth lens and the fifth lens, the probability of generating ghost images between the gluing surfaces of the fifth lens and the sixth lens can be reduced, and the imaging quality of the optical lens is improved.

In a second aspect, the present invention discloses a camera module, which includes an image sensor and the optical lens of the first aspect, wherein the image sensor is disposed on the image side of the optical lens. The camera module with the optical lens can meet the requirement of miniaturization design, and can also realize the characteristics of large aperture and wide angle so as to improve the imaging definition.

In a third aspect, the invention discloses an electronic device, which includes a housing and the camera module set according to the second aspect, wherein the camera module set is disposed on the housing. The electronic equipment with the camera module can meet the requirement of miniaturization design, and can also realize the characteristics of a large aperture and a wide angle so as to improve the imaging definition.

In a fourth aspect, the present invention discloses an automobile, which includes an automobile body and the camera module set according to the second aspect, wherein the camera module set is disposed on the automobile body to obtain image information. The automobile with the camera module can be beneficial to the acquisition of environmental information around the automobile body, provides a clear visual field for the driving of a driver, and provides guarantee for the safe driving of the driver.

Compared with the prior art, the invention has the beneficial effects that:

the optical lens, the camera module, the electronic device and the automobile provided by the embodiment of the invention have the advantages that the optical lens adopts seven lenses with refractive power, the first lens has negative refractive power, and the design that the object side surface and the image side surface of the first lens are respectively a convex surface and a concave surface is matched, so that the first lens can receive incident light rays with a larger angle, the field angle range of the optical lens is expanded, the characteristic of a large field angle is obtained, meanwhile, the sensitivity of the optical lens can be reduced, and the imaging quality of the optical lens is improved; the second lens has negative refractive power, and the transition of large-angle incident light can be more gradual by matching with the design that the object side surface and the image side surface of the second lens are both concave surfaces; the positive refractive power of the third lens and the positive refractive power of the fourth lens can balance aberration generated when incident light passes through the first lens and the second lens, the incident light is further converged, the total optical length of the optical lens can be shortened, the miniaturization design of the optical lens is further realized, and the object side surface and the image side surface of the third lens are respectively concave and convex, and the object side surface and the image side surface of the fourth lens are both convex in a surface design, so that the transition of the incident light can be more gradual, the relative illumination of the optical lens is improved, and the tolerance of the optical lens is reduced; the fifth lens element with positive refractive power and the sixth lens element with negative refractive power can balance the aberration generated by each other, thereby reducing the tolerance sensitivity of the optical lens and improving the imaging quality of the optical lens; the seventh lens element with positive refractive power has a convex object-side surface and a convex image-side surface, so that aberration generated by the optical lens assembly can be effectively corrected, distortion can be reduced, and an MTF (modulation transfer function) curve of the optical lens assembly can be more concentrated, thereby improving imaging definition of the optical lens assembly.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an optical lens disclosed in a first embodiment of the present application;

fig. 2 is a light ray spherical aberration diagram (mm), an astigmatism diagram (mm), and a distortion diagram (%);

fig. 3 is a schematic structural diagram of an optical lens disclosed in the second embodiment of the present application;

fig. 4 is a light ray spherical aberration diagram (mm), an astigmatism diagram (mm), and a distortion diagram (%);

fig. 5 is a schematic structural diagram of an optical lens disclosed in the third embodiment of the present application;

fig. 6 is a light ray spherical aberration diagram (mm), an astigmatism diagram (mm), and a distortion diagram (%);

fig. 7 is a schematic structural diagram of an optical lens disclosed in a fourth embodiment of the present application;

fig. 8 is a light ray spherical aberration diagram (mm), an astigmatism diagram (mm), and a distortion diagram (%);

fig. 9 is a schematic structural diagram of an optical lens disclosed in a fifth embodiment of the present application;

fig. 10 is a light ray spherical aberration diagram (mm), an astigmatism diagram (mm), and a distortion diagram (%);

fig. 11 is a schematic structural diagram of the camera module disclosed in the present application;

FIG. 12 is a schematic diagram of an electronic device disclosed herein;

fig. 13 is a schematic structural view of an automobile disclosed in the present application.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.

The technical solution of the present invention will be further described with reference to the following embodiments and the accompanying drawings.

Referring to fig. 1, according to a first aspect of the present application, an optical lens 100 is disclosed, the optical lens 100 includes a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7, which are disposed in order from an object side to an image side along an optical axis O; wherein the fifth lens L5 is cemented with the sixth lens L6 to form a cemented lens; during imaging, light enters the first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5, the sixth lens L6, and the seventh lens L7 in sequence from the object side of the first lens L1, and is finally imaged on the imaging surface 101 of the optical lens 100. The first lens element L1 has negative refractive power, the second lens element L2 has negative refractive power, the third lens element L3 has positive refractive power, the fourth lens element L4 has positive refractive power, the fifth lens element L5 has positive refractive power, the sixth lens element L6 has negative refractive power, and the seventh lens element L7 has positive refractive power.

Further, the object-side surface 11 of the first lens element L1 is convex at the paraxial region O, and the image-side surface 12 of the first lens element L1 is concave at the paraxial region O; the object-side surface 21 of the second lens element L2 is concave at the paraxial region O, and the image-side surface 22 of the second lens element L2 is convex at the paraxial region O; the object-side surface 31 of the third lens element L3 is concave at the paraxial region O, and the image-side surface 32 of the third lens element L3 is convex at the paraxial region O; the object-side surface 41 of the fourth lens element L4 is convex at the paraxial region O, and the image-side surface 42 of the fourth lens element L4 is convex at the paraxial region O; the object-side surface 51 of the fifth lens element L5 is convex at the paraxial region O, and the image-side surface 52 of the fifth lens element L5 is convex at the paraxial region O; the object-side surface 61 of the sixth lens element L6 is concave at the paraxial region O, and the image-side surface 62 of the sixth lens element L6 is concave at the paraxial region O; the object-side surface 71 of the seventh lens element L7 is convex at the paraxial region O, and the image-side surface 72 of the seventh lens element L7 is convex at the paraxial region O.

In consideration of the fact that the optical lens 100 is often used in electronic devices such as vehicle-mounted devices and automobile recorders or in automobiles and is used as a camera on an automobile body, the first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5, the sixth lens L6 and the seventh lens L7 may all be glass lenses, so that the optical lens 100 may have a good optical effect and may have a reduced temperature sensitivity, and each lens may be spherical or aspherical.

In addition, it is understood that, in other embodiments, when the optical lens 100 is applied to an electronic device such as a smart phone or a smart tablet, the materials of the first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5, the sixth lens L6, and the seventh lens L7 may also be plastic, and each lens may be spherical or aspheric.

In some embodiments, the optical lens 100 further includes a stop 102, and the stop 102 may be an aperture stop 102 and/or a field stop 102, which may be disposed between the third lens L3 and the fourth lens L4. For example, the stop 102 may be disposed between the image-side surface 32 of the third lens L3 and the object-side surface 41 of the fourth lens L4. It is understood that, in other embodiments, the stop 102 may be disposed between other lenses or between the object side of the optical lens 100 and the object side 11 of the first lens L1, and the setting is adjusted according to practical situations, which is not limited in this embodiment.

Optionally, in order to improve the imaging quality, the optical lens 100 further includes a protective glass 80, the protective glass 80 is disposed between the seventh lens L7 and the imaging surface 101 of the optical lens 100, and the protective glass 80 is used for protecting the optical lens 100. It is understood that in other embodiments, the protection glass 80 may be disposed between other lenses, and the disposition is adjusted according to the actual situation, which is not specifically limited in this embodiment.

In some embodiments, the optical lens 100 satisfies the following relationship:

2.5＜FOV/CRA＜4.5；

where FOV is the maximum field angle of the optical lens 100, and CRA is the chief ray incident angle of the maximum field of the optical lens 100.

In the shooting process, the influence of the incident angle of the incident light on the imaging quality of the optical lens 100 is large, and when the incident angle of the incident light is too large but the field angle of the optical lens 100 is not large enough, the optical lens 100 cannot receive the incident light with a large angle well, and the incident light with a large angle cannot be incident on the image sensor of the camera module at a proper angle, so that the imaging effect of the optical lens 100 is poor. Therefore, when the optical lens 100 satisfies the above relational expression, the optical lens 100 can realize a large field angle, and incident light can be incident on an image sensor of the camera module at a proper angle, so as to improve the light sensing performance of the image sensor, and improve the imaging quality of the optical lens 100. When the ratio of the maximum field angle of the optical lens 100 to the chief ray incident angle of the maximum field is closer to the upper limit, the imaging effect of the optical lens 100 is better, but when the ratio exceeds the upper limit, the optical lens 100 is too sensitive, and the design difficulty is too large.

In some embodiments, the optical lens 100 satisfies the following relationship:

10＜|nd2-nd3|*100＜16.5；

where nd2 is the refractive index of the second lens L2, and nd3 is the refractive index of the third lens L3.

By reasonably configuring the refractive indexes of the second lens element L2 and the third lens element L3, the second lens element L2 and the third lens element L3 provide a proper refractive power for the optical lens 100, which is helpful for correcting the aberration of the optical lens 100, thereby improving the resolving power of the optical lens 100 and improving the imaging quality of the optical lens 100.

In some embodiments, the optical lens 100 satisfies the following relationship:

0.25＜|((SD S1)/(RDY S1))|*100＜0.35；

where SD S1 is the effective half aperture of the object-side surface 11 of the first lens L1, and RDY S1 is the radius of curvature of the object-side surface 11 of the first lens L1 at the optical axis O.

When the first lens L1 satisfies the above relation, the processing and manufacturing difficulty of the first lens L1 can be reduced, and the production yield of the first lens L1 can be improved; meanwhile, the definition of the above relation can avoid the generation of ghost image, so as to improve the imaging quality of the optical lens 100. When the value is lower than the lower limit, the bending degree of the lens is too large, and the processing of the lens is influenced; when the value is higher than the upper limit, the lens surface is too flat, so that a ghost image is easily generated, which affects the imaging quality of the optical lens 100.

In some embodiments, the optical lens 100 satisfies the following relationship:

0.15＜ImgH/TTL＜0.25；

where ImgH is a radius of a maximum effective imaging circle of the optical lens 100, and TTL is a distance on the optical axis O from the object-side surface 11 of the first lens element L1 to the imaging plane 101 of the optical lens 100, i.e., a total length of the optical lens 100.

When the optical lens 100 satisfies the above-mentioned relational expression, the total length of the optical lens 100 can be controlled within a suitable range while improving the imaging quality of the optical lens 100, thereby realizing miniaturization and high-quality imaging of the optical lens 100.

In some embodiments, the optical lens 100 satisfies the following relationship:

-2＜f1/f＜-1.5；

where f1 is the focal length of the first lens element L1, and f is the effective focal length of the optical lens system 100.

The first lens element L1 is the lens element closest to the object side in the optical lens 100, and when the first lens element L1 is configured as a lens element with negative refractive power, the optical lens 100 can receive incident light rays with large angles, and the field angle range of the optical lens 100 is enlarged, so that the optical lens 100 with a large field angle is obtained; meanwhile, it is possible to reduce the sensitivity of the optical lens 100 and to achieve miniaturization of the optical lens 100 by defining the focal length of the first lens L1 and the effective focal length of the optical lens 100.

In some embodiments, the optical lens 100 satisfies the following relationship:

-2.85＜f56/f＜-2.45；

where f56 is the combined focal length of the fifth lens L5 and the sixth lens L6, and f is the effective focal length of the optical lens 100.

The fifth lens L5 and the sixth lens L6 form a cemented lens with a negative combined focal length, which can reduce the assembly sensitivity of the optical lens 100, thereby reducing the processing difficulty of the optical lens 100 and improving the assembly yield of the optical lens 100; when the optical lens 100 satisfies the relationship, the chromatic aberration of the optical lens 100 can be effectively corrected, the eccentricity sensitivity of the optical lens 100 can be reduced, the chromatic aberration of the optical lens 100 can be balanced, and the imaging quality of the optical lens 100 can be improved.

In some embodiments, the optical lens 100 satisfies the following relationship:

0.5＜ΣCT/TTL＜0.75；

where Σ CT is a sum of thicknesses of the first lens element L1 through the seventh lens element L7 on the optical axis O, and TTL is a distance from the object-side surface 11 of the first lens element L1 to the image plane 101 of the optical lens 100 on the optical axis O, i.e., a total length of the optical lens 100.

When the optical lens 100 satisfies the above relation, the positions and the center thicknesses of the lenses of the optical lens 100 can be reasonably configured, so as to ensure the compact structure of the lenses, and further shorten the total length of the optical lens 100 to meet the requirement of the miniaturization design of the optical lens 100.

In some embodiments, the optical lens 100 satisfies the following relationship:

1.4≤f/EPD≤1.5；

where f is the effective focal length of the optical lens 100, and EPD is the entrance pupil diameter of the optical lens 100.

Due to the limitation of the above relation, the effective focal length and the entrance pupil diameter of the optical lens 100 can be reasonably configured, the optical lens 100 can have the characteristic of a large aperture, and simultaneously, the total length of the optical lens 100 can be shortened, the characteristics of wide angle and miniaturization of the optical lens 100 can be realized, and further, the imaging quality of the optical lens 100 and the shooting effect under the wide angle condition can be improved. When the value is higher than the upper limit, it is not favorable for the optical lens 100 to obtain sufficient light flux in a dark environment, and further the brightness of the image plane 101 of the optical lens 100 is insufficient, which affects the image quality of the optical lens 100.

In some embodiments, the optical lens 100 satisfies the following relationship:

0.5＜R13/f7≤1；

where R13 is the radius of curvature of the object-side surface 71 of the seventh lens element L7 at the optical axis O, and f7 is the focal length of the seventh lens element L7.

Since the seventh lens element L7 has positive refractive power, when the positive refractive power of the seventh lens element L7 is too large, the deflection angle of the incident light in the optical lens system 100 is too large, which affects the imaging quality of the optical lens system 100, and meanwhile, the too large positive refractive power also affects the correction of the aberration of the optical lens system 100, which further affects the imaging quality of the optical lens system 100. Through the limitation of the above relation, the refractive power of the seventh lens element L7 can be reasonably configured, so that the seventh lens element L7 provides a reasonable positive refractive power for the optical lens 100, and the situation that the deflection angle of the incident light in the optical lens 100 is too large can be avoided, thereby reducing the sensitivity of the optical lens 100 and improving the imaging quality of the optical lens 100.

In some embodiments, the optical lens 100 satisfies the following relationship:

9＜|nd4-nd5|*100＜11；

where nd4 is the refractive index of the fourth lens L4, and nd5 is the refractive index of the fifth lens L5.

By reasonably configuring the refractive indexes of the fourth lens L4 and the fifth lens L5, the probability of generating a ghost image between the cemented surfaces of the fifth lens L5 and the sixth lens L6 can be reduced, and the imaging quality of the optical lens 100 can be improved.

The optical lens 100 of the present embodiment will be described in detail with reference to specific parameters.

First embodiment

A schematic structural diagram of an optical lens 100 disclosed in the first embodiment of the present application is shown in fig. 1, where the optical lens 100 includes a first lens L1, a second lens L2, a stop 102, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, a seventh lens L7, and a protective glass 80, which are sequentially disposed from an object side to an image side along an optical axis O. For refractive power, surface shape configuration and material of the first lens element L1, the second lens element L2, the third lens element L3, the fourth lens element L4, the fifth lens element L5, the sixth lens element L6 and the seventh lens element L7, reference may be made to the above detailed description, which is not repeated herein.

Specifically, taking the effective focal length f of the optical lens 100 as 4.05mm, the aperture value FNO of the optical lens 100 as 1.48, and the field angle FOV of the optical lens 100 as 139.6deg as an example, other parameters of the optical lens 100 are given in table 1 below. The elements of the optical lens 100 from the object side to the image side along the optical axis O are arranged in the order of the elements from top to bottom in table 1. In the same lens, the surface with the smaller surface number is the object side surface of the lens, and the surface with the larger surface number is the image side surface of the lens, and for example, the surface numbers 1 and 2 correspond to the object side surface and the image side surface of the first lens L1, respectively. The Y radius in table 1 is the radius of curvature of the object-side surface or the image-side surface of the corresponding surface number at the optical axis. The first value in the "thickness" parameter set of a lens is the thickness of the lens on the optical axis, and the second value is the distance from the image-side surface to the back surface of the lens on the optical axis. The numerical value of the diaphragm in the "thickness" parameter column is the distance on the optical axis from the diaphragm to the vertex of the next surface (the vertex refers to the intersection point of the surface and the optical axis), the direction from the object side surface of the first lens to the image side surface of the last lens is the positive direction of the optical axis by default, when the value is negative, the diaphragm is arranged on the image side of the vertex of the next surface, and if the thickness of the diaphragm is a positive value, the diaphragm is arranged on the object side of the vertex of the next surface. It is understood that the units of the radius Y, thickness, and focal length in table 1 are all mm. And the refractive index, Abbe number in Table 1 were obtained at a reference wavelength of 587.6nm, and the focal length was obtained at a reference wavelength of 546 nm.

In the first embodiment, the first lens L1, the third lens L3, the fifth lens L5, and the sixth lens L6 are all spherical lenses, and the object-side surface and the image-side surface of the second lens L2, the fourth lens L4, and the seventh lens L7 are all aspheric surfaces, and the surface shape x of each aspheric lens can be defined by, but is not limited to, the following aspheric surface formula:

wherein x is the rise of the distance from the aspheric surface vertex to the aspheric surface vertex when the aspheric surface is at the position with the height of h along the optical axis O direction; c is the curvature at the optical axis of the aspheric surface, c ═ 1/Y (i.e., paraxial curvature c is the inverse of radius of curvature Y in table 1 above); k is a conic coefficient; ai is a correction coefficient of the i-th order of the aspherical surface. Table 2 below shows the high-order term coefficients a4, a6, A8, a10, a12, a14, a16, a18, and a20 that can be used for each aspherical mirror surface in the first embodiment.

TABLE 1

TABLE 2

Referring to fig. 2 (a), fig. 2 (a) shows a light spherical aberration curve of the optical lens 100 in the first embodiment at 656nm, 588nm, 546nm, 486nm and 436 nm. In fig. 2 (a), the abscissa in the X-axis direction represents the focus shift, and the ordinate in the Y-axis direction represents the normalized field of view. As can be seen from fig. 2 (a), the spherical aberration value of the optical lens 100 in the first embodiment is better, which illustrates that the imaging quality of the optical lens 100 in this embodiment is better.

Referring to fig. 2 (B), fig. 2 (B) is a diagram of astigmatism of light of the optical lens 100 in the first embodiment at a wavelength of 546 nm. Wherein the abscissa along the X-axis direction represents the focus offset and the ordinate along the Y-axis direction represents the image height in mm. The astigmatism curves represent the meridional image plane curvature T and the sagittal image plane curvature S, and it can be seen from (B) in fig. 2 that the astigmatism of the optical lens 100 is well compensated at this wavelength.

Referring to fig. 2 (C), fig. 2 (C) is a distortion curve diagram of the optical lens 100 in the first embodiment at a wavelength of 546 nm. Wherein the abscissa along the X-axis direction represents distortion and the ordinate along the Y-axis direction represents image height in mm. As can be seen from (C) in fig. 2, the distortion of the optical lens 100 is well corrected at a wavelength of 546 nm.

Second embodiment

A schematic structural diagram of an optical lens 100 disclosed in the second embodiment of the present application is shown in fig. 3, where the optical lens 100 includes a first lens L1, a second lens L2, a stop 102, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, a seventh lens L7, and a protective glass 80, which are sequentially disposed from an object side to an image side along an optical axis O. For refractive power, surface shape configuration and material of the first lens element L1, the second lens element L2, the third lens element L3, the fourth lens element L4, the fifth lens element L5, the sixth lens element L6 and the seventh lens element L7, reference may be made to the above detailed description, which is not repeated herein.

Specifically, taking the effective focal length f of the optical lens 100 as 4.05mm, the aperture value FNO of the optical lens 100 as 1.48, and the field angle FOV of the optical lens 100 as 139.6deg as an example, other parameters of the optical lens 100 are given in table 3 below. The definitions of the parameters can be obtained from the description of the foregoing embodiments, and are not repeated herein. It is understood that the units of the radius Y, thickness, and focal length in table 3 are all mm. And the refractive index, Abbe number in Table 3 were obtained at a reference wavelength of 587.6nm, and the focal length was obtained at a reference wavelength of 546 nm.

In the second embodiment, the first lens L1, the third lens L3, the fifth lens L5, and the sixth lens L6 are all spherical lenses, and the object-side surface and the image-side surface of the second lens L2, the fourth lens L4, and the seventh lens L7 are all aspheric surfaces, and the method for calculating the surface shape x of each aspheric lens can be obtained by using the description of the foregoing embodiments, which is not repeated herein. Table 4 below shows the high-order term coefficients a4, a6, A8, a10, a12, a14, a16, a18, and a20 that can be used for each aspherical mirror surface in the second embodiment.

TABLE 3

TABLE 4

Referring to fig. 4 (a), fig. 4 (a) shows a light spherical aberration curve of the optical lens 100 in the second embodiment at 656nm, 588nm, 546nm, 486nm and 436 nm. In fig. 4 (a), the abscissa in the X-axis direction represents the focus shift, and the ordinate in the Y-axis direction represents the normalized field of view. As can be seen from (a) in fig. 4, the spherical aberration value of the optical lens 100 in the second embodiment is better, which illustrates that the imaging quality of the optical lens 100 in the present embodiment is better.

Referring to fig. 4 (B), fig. 4 (B) is a diagram of astigmatism of light of the optical lens 100 in the second embodiment at a wavelength of 546 nm. Wherein the abscissa along the X-axis direction represents the focus offset and the ordinate along the Y-axis direction represents the image height in mm. The astigmatism curves represent the meridional image plane curvature T and the sagittal image plane curvature S, and it can be seen from (B) in fig. 4 that astigmatism of the optical lens 100 is well compensated at this wavelength.

Referring to fig. 4 (C), fig. 4 (C) is a distortion curve diagram of the optical lens 100 in the second embodiment at a wavelength of 546 nm. Wherein the abscissa along the X-axis direction represents distortion and the ordinate along the Y-axis direction represents image height in mm. As can be seen from (C) in fig. 4, the distortion of the optical lens 100 is well corrected at a wavelength of 546 nm.

Third embodiment

A schematic structural diagram of an optical lens 100 disclosed in the third embodiment of the present application is shown in fig. 5, where the optical lens 100 includes a first lens L1, a second lens L2, a stop 102, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, a seventh lens L7, and a protective glass 80, which are sequentially disposed from an object side to an image side along an optical axis O. For refractive power, surface shape configuration and material of the first lens element L1, the second lens element L2, the third lens element L3, the fourth lens element L4, the fifth lens element L5, the sixth lens element L6 and the seventh lens element L7, reference may be made to the above detailed description, which is not repeated herein.

Specifically, taking the effective focal length f of the optical lens 100 as 4.07mm, the aperture value FNO of the optical lens 100 as 1.48, and the field angle FOV of the optical lens 100 as 139.6deg as an example, other parameters of the optical lens 100 are given in table 5 below. The definitions of the parameters can be obtained from the description of the foregoing embodiments, and are not repeated herein. It is understood that the units of the radius Y, thickness, and focal length in table 5 are mm. And the refractive index, Abbe number in Table 5 were obtained at a reference wavelength of 587.6nm, and the focal length was obtained at a reference wavelength of 546 nm.

In the third embodiment, the first lens L1, the third lens L3, the fifth lens L5, and the sixth lens L6 are all spherical lenses, and the object-side surface and the image-side surface of the second lens L2, the fourth lens L4, and the seventh lens L7 are all aspheric surfaces, and the method for calculating the surface shape x of each aspheric lens can be obtained by using the description of the foregoing embodiments, which is not repeated herein. Table 6 below shows the high-order term coefficients a4, a6, A8, a10, a12, a14, a16, a18, and a20 that can be used for each aspherical mirror surface in the third embodiment.

TABLE 5

TABLE 6

Referring to fig. 6 (a), fig. 6 (a) shows a light spherical aberration curve of the optical lens 100 in the third embodiment at 656nm, 588nm, 546nm, 486nm and 436 nm. In fig. 6 (a), the abscissa in the X-axis direction represents the focus shift, and the ordinate in the Y-axis direction represents the normalized field of view. As can be seen from (a) in fig. 6, the spherical aberration value of the optical lens 100 in the third embodiment is better, which illustrates that the imaging quality of the optical lens 100 in this embodiment is better.

Referring to fig. 6 (B), fig. 6 (B) is a diagram of astigmatism of light of the optical lens 100 in the third embodiment at a wavelength of 546 nm. Wherein the abscissa along the X-axis direction represents the focus offset and the ordinate along the Y-axis direction represents the image height in mm. The astigmatism curves represent the meridional image plane curvature T and the sagittal image plane curvature S, and it can be seen from (B) in fig. 6 that astigmatism of the optical lens 100 is well compensated at this wavelength.

Referring to fig. 6 (C), fig. 6 (C) is a distortion curve diagram of the optical lens 100 in the third embodiment at a wavelength of 546 nm. Wherein the abscissa along the X-axis direction represents distortion and the ordinate along the Y-axis direction represents image height in mm. As can be seen from (C) in fig. 6, the distortion of the optical lens 100 is well corrected at a wavelength of 546 nm.

Fourth embodiment

A schematic structural diagram of an optical lens 100 disclosed in the fourth embodiment of the present application is shown in fig. 7, where the optical lens 100 includes a first lens L1, a second lens L2, a stop 102, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, a seventh lens L7, and a protective glass 80, which are sequentially disposed from an object side to an image side along an optical axis O. For refractive power, surface shape configuration and material of the first lens element L1, the second lens element L2, the third lens element L3, the fourth lens element L4, the fifth lens element L5, the sixth lens element L6 and the seventh lens element L7, reference may be made to the above detailed description, which is not repeated herein.

Specifically, taking the effective focal length f of the optical lens 100 as 4.07mm, the aperture value FNO of the optical lens 100 as 1.48, and the field angle FOV of the optical lens 100 as 139.6deg as an example, other parameters of the optical lens 100 are given in table 7 below. The definitions of the parameters can be obtained from the description of the foregoing embodiments, and are not repeated herein. It is understood that the units of the radius Y, thickness, and focal length in table 7 are mm. And the refractive index, Abbe number in Table 7 were obtained at a reference wavelength of 587.6nm, and the focal length was obtained at a reference wavelength of 546 nm.

In the fourth embodiment, the first lens L1, the third lens L3, the fifth lens L5, and the sixth lens L6 are all spherical lenses, and the object-side surface and the image-side surface of the second lens L2, the fourth lens L4, and the seventh lens L7 are all aspheric surfaces, and the method for calculating the surface shape x of each aspheric lens can be obtained by using the description of the foregoing embodiments, which is not repeated herein. Table 8 below shows the high-order term coefficients a4, a6, A8, a10, a12, a14, a16, a18, and a20 that can be used for each aspherical mirror surface in the fourth embodiment.

TABLE 7

TABLE 8

Referring to fig. 8 (a), fig. 8 (a) shows a light spherical aberration curve of the optical lens 100 in the fourth embodiment at 656nm, 588nm, 546nm, 486nm and 436 nm. In fig. 8 (a), the abscissa in the X-axis direction represents the focus shift, and the ordinate in the Y-axis direction represents the normalized field of view. As can be seen from (a) in fig. 8, the spherical aberration value of the optical lens 100 in the fourth embodiment is better, which illustrates that the imaging quality of the optical lens 100 in this embodiment is better.

Referring to fig. 8 (B), fig. 8 (B) is a diagram of astigmatism of light of the optical lens 100 in the fourth embodiment at a wavelength of 546 nm. Wherein the abscissa along the X-axis direction represents the focus offset and the ordinate along the Y-axis direction represents the image height in mm. The astigmatism curves represent the meridional image plane curvature T and the sagittal image plane curvature S, and it can be seen from (B) in fig. 8 that astigmatism of the optical lens 100 is well compensated at this wavelength.

Referring to fig. 8 (C), fig. 8 (C) is a distortion curve diagram of the optical lens 100 in the fourth embodiment at a wavelength of 546 nm. Wherein the abscissa along the X-axis direction represents distortion and the ordinate along the Y-axis direction represents image height in mm. As can be seen from (C) in fig. 8, the distortion of the optical lens 100 is well corrected at a wavelength of 546 nm.

Fifth embodiment

A schematic structural diagram of an optical lens 100 disclosed in the fifth embodiment of the present application is shown in fig. 9, where the optical lens 100 includes a first lens L1, a second lens L2, a stop 102, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, a seventh lens L7, and a protective glass 80, which are disposed in order from an object side to an image side along an optical axis O. For refractive power, surface shape configuration and material of the first lens element L1, the second lens element L2, the third lens element L3, the fourth lens element L4, the fifth lens element L5, the sixth lens element L6 and the seventh lens element L7, reference may be made to the above detailed description, which is not repeated herein.

Specifically, taking the effective focal length f of the optical lens 100 as 4.02mm, the aperture value FNO of the optical lens 100 as 1.46, and the field angle FOV of the optical lens 100 as 139.6deg as an example, other parameters of the optical lens 100 are given in table 9 below. The definitions of the parameters can be obtained from the description of the foregoing embodiments, and are not repeated herein. It is understood that the units of the radius Y, thickness, and focal length in table 9 are mm. And the refractive index, Abbe number in Table 9 were obtained at a reference wavelength of 587.6nm, and the focal length was obtained at a reference wavelength of 546 nm.

In the fifth embodiment, the first lens L1, the third lens L3, the fifth lens L5, and the sixth lens L6 are all spherical lenses, and the object-side surface and the image-side surface of the second lens L2, the fourth lens L4, and the seventh lens L7 are all aspheric surfaces, and the method for calculating the surface shape x of each aspheric lens can be obtained by using the description of the foregoing embodiments, which is not repeated herein. Table 10 below shows the high-order term coefficients a4, a6, A8, a10, a12, a14, a16, a18, and a20 that can be used for each aspherical mirror surface in the fifth embodiment.

TABLE 9

Watch 10

Referring to fig. 10 (a), fig. 10 (a) shows a light spherical aberration curve of the optical lens 100 in the fifth embodiment at 656nm, 588nm, 546nm, 486nm and 436 nm. In fig. 10 (a), the abscissa in the X-axis direction represents the focus shift, and the ordinate in the Y-axis direction represents the normalized field of view. As can be seen from (a) in fig. 10, the spherical aberration value of the optical lens 100 in the fifth embodiment is better, which illustrates that the imaging quality of the optical lens 100 in this embodiment is better.

Referring to fig. 10 (B), fig. 10 (B) is a diagram of astigmatism of light of the optical lens 100 in the fifth embodiment at a wavelength of 546 nm. Wherein the abscissa along the X-axis direction represents the focus offset and the ordinate along the Y-axis direction represents the image height in mm. The astigmatism curves represent the meridional image plane curvature T and the sagittal image plane curvature S, and it can be seen from (B) in fig. 10 that astigmatism of the optical lens 100 is well compensated at this wavelength.

Referring to fig. 10 (C), fig. 10 (C) is a distortion curve diagram of the optical lens 100 in the fifth embodiment at a wavelength of 546 nm. Wherein the abscissa along the X-axis direction represents distortion and the ordinate along the Y-axis direction represents image height in mm. As can be seen from (C) in fig. 10, the distortion of the optical lens 100 is well corrected at a wavelength of 546 nm.

Referring to table 11, table 11 summarizes ratios of the relations in the first embodiment to the fifth embodiment of the present application.

TABLE 11

Relation/embodiment	First embodiment	Second embodiment	Third embodiment	Fourth embodiment	Fifth embodiment
						2.5＜FOV/CRA＜4.5	3.72	3.73	3.65	3.57	3.52
10＜\|nd2-nd3\|*100＜16.5	15.80	15.80	14.90	14.50	11.80
						0.25＜\|((SD S1)/(RDY S1))\|*100＜0.35	0.31	0.31	0.31	0.31	0.29
0.15＜ImgH/TTL＜0.25	0.18	0.18	0.18	0.18	0.17
						-2＜f1/f＜-1.5	-1.82	-1.82	-1.81	-1.79	-1.78
-2.85＜f56/f＜-2.45	-2.57	-2.57	-2.57	-2.56	-2.76
						0.5＜ΣCT/TTL＜0.75	0.61	0.61	0.61	0.61	0.64
1.4≤f/EPD≤1.5	1.48	1.48	1.48	1.48	1.46
						0.5＜R13/f7≤1	0.72	0.72	0.73	0.73	0.75
9＜\|nd4-nd5\|*100＜11	10.5	10.5	10.5	10.4	9.70

Referring to fig. 11, the present application further discloses a camera module 200, which includes an image sensor 201 and the optical lens 100 according to any of the first to fifth embodiments, wherein the image sensor 201 is disposed on an image side of the optical lens 100. The optical lens 100 is configured to receive an optical signal of a subject and project the optical signal to the image sensor 201, and the image sensor 201 is configured to convert the optical signal corresponding to the subject into an image signal, which is not described herein again. It can be understood that the image pickup module 200 having the optical lens 100 can realize the characteristics of a large aperture and a wide angle and can improve the image sharpness while satisfying the miniaturization design. Since the above technical effects have been described in detail in the embodiments of the optical lens 100, they are not described herein again.

Referring to fig. 12, the present application further discloses an electronic device 300, wherein the electronic device 300 includes a housing and the camera module 200, and the camera module 200 is disposed in the housing. The electronic device 300 may be, but not limited to, a mobile phone, a tablet computer, a notebook computer, a smart watch, a monitor, a car recorder, a car backing image, and the like. It can be understood that the electronic device 300 having the camera module 200 also has all the technical effects of the optical lens 100. That is, while satisfying the miniaturization design, the characteristics of a large aperture and a wide angle can be realized and the imaging resolution can be improved. Since the above technical effects have been described in detail in the embodiments of the optical lens 100, they are not described herein again.

Referring to fig. 13, the present application further discloses an automobile 400, wherein the automobile 400 includes an automobile body 401 and the camera module 200, and the camera module 200 is disposed on the automobile body 401 to obtain image information. It can be understood that the automobile 400 having the camera module 200 also has all the technical effects of the optical lens 100. Promptly, the car that has this module of making a video recording can be favorable to this car to the acquisition of the environmental information around the automobile body, can adapt to external environment's light and shade change, effectively distinguishes road environment's detail to satisfy intelligent driving system's special requirement, provide clear field of vision for driver's driving, provide the guarantee for driver's safe driving. Since the above technical effects have been described in detail in the embodiments of the optical lens 100, they are not described herein again.

The optical lens, the camera module, the electronic device and the automobile disclosed by the embodiment of the invention are described in detail, a specific example is applied in the description to explain the principle and the embodiment of the invention, and the description of the embodiment is only used for helping to understand the optical lens, the camera module, the electronic device and the automobile and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. An optical lens includes a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, and a seventh lens element, which are disposed in order from an object side to an image side along an optical axis;

2. An optical lens according to claim 1, wherein the optical lens satisfies the following relation:

2.5＜FOV/CRA＜4.5；

3. An optical lens according to claim 1, wherein the optical lens satisfies the following relation:

10＜|nd2-nd3|*100＜16.5；

4. An optical lens according to claim 1, wherein the optical lens satisfies the following relation:

0.25＜|((SD S1)/(RDY S1))|*100＜0.35；

5. An optical lens according to claim 1, wherein the optical lens satisfies the following relation:

0.15＜ImgH/TTL＜0.25；

wherein ImgH is a radius of a maximum effective imaging circle of the optical lens, and TTL is a distance from an object-side surface of the first lens element to an imaging surface of the optical lens on the optical axis.

6. An optical lens according to claim 1, wherein the optical lens satisfies the following relation:

-2 < f1/f < -1.5; or, 2.85 < f56/f < -2.45;

wherein f1 is a focal length of the first lens, f is an effective focal length of the optical lens, and f56 is a combined focal length of the fifth lens and the sixth lens.

7. An optical lens according to claim 1, wherein the optical lens satisfies the following relation:

sigma CT/TTL is more than 0.5 and less than 0.75, or f/EPD is more than or equal to 1.4 and less than or equal to 1.5;

wherein Σ CT is a sum of thicknesses of the first lens element to the seventh lens element on the optical axis, TTL is a distance from an object-side surface of the first lens element to an imaging surface of the optical lens on the optical axis, f is an effective focal length of the optical lens, and EPD is an entrance pupil diameter of the optical lens.

8. A camera module, comprising an optical lens according to any one of claims 1 to 7 and an image sensor, wherein the image sensor is disposed on an image side of the optical lens.

9. An electronic device comprising a housing and the camera module of claim 8, wherein the camera module is disposed on the housing.

10. An automobile, characterized in that the automobile comprises an automobile body and the camera module set according to claim 8, wherein the camera module set is arranged on the automobile body to obtain image information.