CN111427131A - Camera components, camera modules and mobile terminals - Google Patents

Abstract

This invention relates to a camera assembly, a camera module, and a mobile terminal. The camera assembly, from the object side to the image side, includes: an aperture stop; a first lens with positive refractive power, wherein the object side of the first lens is convex at the optical axis, and the image side of the first lens is concave at the optical axis; a second lens with positive refractive power, wherein both the object side and the image side of the second lens are convex at the optical axis; a third lens with negative refractive power; a fourth lens with positive refractive power, wherein the image side of the fourth lens is convex at the optical axis; a fifth lens with refractive power; and a sixth lens with negative refractive power, wherein the object side of the sixth lens is convex at the optical axis, and the image side of the sixth lens is concave at the optical axis, both the object side and the image side of the sixth lens are aspherical, and each of the object side and the image side of the sixth lens has at least one inflection point. When the ranges of ImgH*tan(HFOV)/f and R41/OAL are satisfied, the camera assembly has a large imaging area and low sensitivity.

Description

Camera components, camera modules and mobile terminals

technical field

The invention relates to the field of photography and imaging, in particular to a camera assembly, a camera module and a mobile terminal.

Background technique

In recent years, with the rise of electronic products with photographic functions, the requirements for the imaging quality of lenses are becoming more and more stringent. The photosensitive elements of a general optical system are nothing more than two kinds of photosensitive coupled devices (Charge Coupled Device, CCD) or complementary metal oxide semiconductor (Complementary Metal-Oxide Semiconductor Sensor, CMOSSensor), and the pixel size of the electronic photosensitive element is limited. Due to the development of the semiconductor manufacturing process, in order to have higher pixels, the chip generally adopts a larger size. Therefore, a camera lens with a large imaging area is required to match the chip and improve the imaging quality.

In addition, the traditional optical systems mounted on electronic products are mainly composed of four-piece and five-piece lens structures. However, due to the prevalence of high-end electronic devices such as smart phones and tablet PCs, the optical system is driven The rapid rise in resolution and imaging quality, and the known four-piece and five-piece optical systems can no longer meet higher-end photographic products, so the six-piece optical system is further developed, while the known six-piece camera Lenses often increase system sensitivity due to poor face configuration. Therefore, an optical system with a large imaging area and low system sensitivity is urgently needed.

SUMMARY OF THE INVENTION

Based on this, it is necessary to provide a camera assembly, a camera module and a mobile terminal for the problems of how to achieve a large imaging area and reduce the sensitivity of the system.

A camera assembly, from the object side to the image side, sequentially comprises: a diaphragm; a first lens with positive refractive power, the object side of the first lens is convex at the optical axis, and the image side of the first lens is at The optical axis is concave; the second lens with positive refractive power, the object side and the image side of the second lens are convex at the optical axis; the third lens with negative refractive power; the fourth lens with positive refractive power lens, the image side of the fourth lens is convex at the optical axis; the fifth lens with refractive power; the sixth lens with negative refractive power, the object side of the sixth lens is convex at the optical axis, so The image side of the sixth lens is concave at the optical axis, the object side and the image side of the sixth lens are both aspherical, and the sixth lens is provided with at least one inflection point;

The camera assembly satisfies the following relationship:

0.50＜ImgH*tan(HFOV)/f＜0.80;

-20.00＜R41/OAL＜20.00;

Wherein, f is the focal length of the camera assembly, ImgH is the maximum imaging height of the camera assembly, HFOV is half of the maximum field of view of the camera assembly, and R41 is the object side of the fourth lens at the optical axis. The curvature radius, OAL is the distance on the optical axis from the object side of the first lens to the image side of the sixth lens.

By reasonably configuring the focal length f of the imaging component, that is, the effective focal length of the imaging component, and when the above range of ImgH*tan(HFOV)/f is satisfied, the imaging component can reasonably compress the focal length f, and also can Increase the imaging area, so that it is easier to match the large-size photosensitive element to improve the imaging quality; when the ratio of ImgH*tan(HFOV)/f is lower than the lower limit, the image height is reduced, and it is not easy to match with the conventional large-size chip, resulting in a change in the surrounding image quality. Poor; when the ratio is higher than the upper limit, the focal length f is excessively compressed, which is not conducive to the configuration of the lens surface and affects the imaging quality. In addition, when the above-mentioned range of R41/OAL is satisfied, it is helpful to control the surface shape of the fourth lens, so that the fourth lens can better correct the first lens, the second lens and the The spherical aberration generated by the third lens improves the imaging quality. In addition, since the fourth lens is close to the middle position of the lens group, at this time, the curvature radius of the object side surface of the fourth lens can be reasonably configured to make the surface have a gentler surface. Therefore, the deflection angle between the outgoing light and the incoming light can be effectively reduced, and the problems of ghost images and increased distortion in the edge field of view can be avoided, thereby reducing the sensitivity of the camera assembly.

In one of the embodiments, the camera assembly satisfies the following relationship:

1.00＜|f4/f3|＜6.00;

Wherein, f3 is the focal length of the third lens, and f4 is the focal length of the fourth lens. The third lens provides negative refractive power, the fourth lens provides positive refractive power, and when the above relationship is satisfied, the refractive powers of the third lens and the fourth lens can be reasonably configured to correct the partial The chromatic aberration generated by the first lens and the second lens improves imaging quality. In addition, when it exceeds the upper limit of the above relational expression, the positive refractive power of the fourth lens becomes weak, and the negative refractive power of the third lens becomes strong, resulting in an increase in the sensitivity of the imaging element and high-order images. The increase of the aberration will also reduce the actual production yield; and when it is lower than the lower limit, the negative refractive power of the third lens is weak, the correction of chromatic aberration becomes difficult, and good imaging quality cannot be maintained.

In one of the embodiments, the camera assembly satisfies the following relationship:

1.40<TTL/ImgH<1.70;

Wherein, TTL is the distance from the object side of the first lens to the imaging plane on the optical axis. For the same maximum imaging height, when the above relationship is satisfied, the total length of the camera assembly in the direction of the optical axis can be effectively compressed, so as to satisfy the miniaturized design.

In one of the embodiments, the camera assembly satisfies the following relationship:

0.50≤EPD/f＜0.70;

Wherein, EPD is the entrance pupil diameter of the camera assembly. When the above relationship is satisfied, it is helpful to expand the aperture of the camera assembly, increase the amount of incident light of the camera assembly in a dark environment, and improve imaging quality.

In one of the embodiments, the camera assembly satisfies the following relationship:

1.00＜(CT3+CT4)/T45＜3.50;

Wherein, CT3 is the central thickness of the third lens on the optical axis, CT4 is the central thickness of the fourth lens on the optical axis, and T45 is the object from the image side of the fourth lens to the fifth lens The distance of the side on the optical axis. When the above-mentioned relationship is satisfied, the relationship between the lens thickness and the lens interval can be reasonably configured, which is beneficial to reduce the sensitivity of the imaging assembly and at the same time shorten the length of the imaging assembly in the direction of the optical axis.

In one of the embodiments, the camera assembly satisfies the following relationship:

0.40＜R12/R21＜1.00;

Wherein, R12 is the radius of curvature of the image side of the first lens at the optical axis, and R21 is the radius of curvature of the object side of the second lens at the optical axis. When the above-mentioned relationship is satisfied, the curvature radii of the first lens and the second lens can be adjusted reasonably, the sensitivity of the camera assembly can be reduced, and the imaging quality can be improved.

In one of the embodiments, the camera assembly satisfies the following relationship:

0.50＜f1/f2＜2.00;

Wherein, f1 is the focal length of the first lens, and f2 is the focal length of the second lens. Both the first lens and the second lens provide positive refractive power, and when the above relationship is satisfied, the focal lengths of the first lens and the second lens are within a relatively consistent range, so that the imaging can be performed for the camera. The front end of the assembly (the lens group composed of the first lens and the second lens) provides sufficient positive refractive power and improves the ability to balance the curvature of field. In addition, by controlling the focal lengths of the first lens and the second lens within a relatively consistent range, the front-end refractive powers of the imaging components can be matched with each other, so that the deflection angle between the outgoing light and the incident light is within the range of the The front end of the camera assembly is not too large, thereby reducing the sensitivity of the camera assembly.

In one of the embodiments, the sixth lens is provided with at least one inflection point on the image side surface, and the camera assembly satisfies the following relationship:

0.30＜R62/f＜0.40;

Wherein, R62 is the curvature radius of the image side surface of the sixth lens at the optical axis. When the above relationship is satisfied, the spherical aberration of the imaging element can be corrected, and the imaging quality can be improved. In addition, the surface shape change of the image side of the sixth lens from the optical axis to the circumference includes a change from concave surface to convex surface or from concave surface to convex surface to concave surface, and this surface shape change can correct the color of the off-axis field of view. Aberration and ghost image problems, improve the imaging quality of the edge field of view, and converge the angle of the edge field of view incident on the imaging surface to ensure the matching with the photosensitive element, so as to present a good peripheral field of view image.

A camera module includes a photosensitive element and the camera assembly according to any one of the above embodiments, wherein the photosensitive element is disposed at the imaging surface of the camera assembly.

A mobile terminal includes the camera module described in the above embodiments.

Description of drawings

FIG. 1 is a schematic diagram of a camera assembly according to a first embodiment of the present invention;

FIG. 2 is a spherical chromatic aberration diagram (mm), an astigmatism diagram (mm) and a distortion diagram (%) of the imaging assembly in the first embodiment;

3 is a schematic diagram of a camera assembly provided by a second embodiment of the present invention;

4 is a spherical chromatic aberration diagram (mm), an astigmatism diagram (mm) and a distortion diagram (%) of the imaging assembly in the second embodiment;

FIG. 5 is a schematic diagram of a camera assembly provided by a third embodiment of the present invention;

6 is a spherical chromatic aberration diagram (mm), an astigmatism diagram (mm) and a distortion diagram (%) of the imaging assembly in the third embodiment;

7 is a schematic diagram of a camera assembly provided by a fourth embodiment of the present invention;

8 is a spherical chromatic aberration diagram (mm), an astigmatism diagram (mm) and a distortion diagram (%) of the imaging assembly in the fourth embodiment;

9 is a schematic diagram of a camera assembly provided by a fifth embodiment of the present invention;

10 is a spherical chromatic aberration diagram (mm), an astigmatism diagram (mm) and a distortion diagram (%) of the imaging assembly in the fifth embodiment;

11 is a schematic diagram of a camera module provided by an embodiment of the present invention;

FIG. 12 is a schematic diagram of a mobile terminal according to an embodiment of the present invention.

Detailed ways

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the related drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is considered to be "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the specification herein is for the purpose of describing specific embodiments only and is not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to FIG. 1 , the camera assembly 10 in the embodiment of the present application sequentially includes, from the object side to the image side, a first lens L1 with positive refractive power, a second lens L2 with positive refractive power, and a third lens L3 with negative refractive power , a fourth lens L4 with a positive refractive power, a fifth lens L5 and a sixth lens L6 with a negative refractive power.

In addition, the aperture stop ST0 is further provided on the object side of the first lens L1. By providing the aperture stop ST0 on the object side of the first lens L1, the exit pupil can be moved away from the imaging plane, without reducing the telecentricity of the imaging unit 10. Furthermore, the effective diameter of the camera assembly 10 can be reduced, thereby realizing miniaturization. In some embodiments, the diaphragm ST0 and the first lens L1 are integrally fixed, so that the volume of the camera assembly 10 can be reduced and a miniaturized design can be achieved.

The first lens L1 includes an object side S2 and an image side S3, the object side S2 is convex at the optical axis, and the image side S3 is concave at the optical axis; the second lens L2 includes an object side S4 and an image side S5, and the object side is S4 and the image side S5 are convex surfaces at the optical axis; the third lens L3 includes the object side S6 and the image side S7; the fourth lens L4 includes the object side S8 and the image side S9, and the image side S9 is convex at the optical axis; The five-lens L5 includes an object side S10 and an image side S11; the sixth lens L6 includes an object side S12 and an image side S13, the object side S12 is convex at the optical axis, and the image side S13 is concave at the optical axis. In some embodiments, the object side S2 of the first lens L1 is convex at the circumference; the image side S5 of the second lens L2 is convex at the circumference; the image side S7 of the third lens L3 is concave at the circumference; The object side surface S8 of the lens L4 is concave at the circumference.

In addition, the object side S12 and the image side S13 of the sixth lens L6 are both aspherical, and at least one of the object side S12 and the image side S13 of the sixth lens L6 is provided with at least one inflection point.

In some embodiments, the image side S12 of the sixth lens L6 is provided with at least one inflection point. At this time, the surface shape of the image side S12 of the sixth lens L6 from the optical axis to the circumference exists, for example, from concave to convex. The changing trend, or the surface shape of the image side S12 of the sixth lens L6 from the optical axis to the circumference, for example, has a changing trend from concave to convex and then to concave. The purpose of this surface type change is to correct the chromatic aberration and ghost image problems in the edge field of view, improve the imaging quality of the edge field of view, and converge the angle of the edge field of view incident on the imaging surface to ensure the matching with the photosensitive element, so as to present the image Good peripheral field of view images.

In addition, the aspherical surface formulas of the first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5 and the sixth lens L6 are:

Among them, Z is the distance from the corresponding point on the aspheric surface to the plane tangent to the surface vertex, r is the distance from any point on the aspheric surface to the optical axis, c is the curvature of the aspheric vertex, k is the conic constant, and Ai is the aspheric surface type in the formula The coefficients corresponding to the higher-order terms of the i-th term.

In some embodiments, the first lens L1 , the second lens L2 , the third lens L3 , the fourth lens L4 , the fifth lens L5 and the sixth lens L6 are all made of plastic. In this case, the lenses made of plastic can reduce The weight of the camera assembly 10 is reduced and the production cost is reduced. In some embodiments, the first lens L1 , the second lens L2 , the third lens L3 , the fourth lens L4 , the fifth lens L5 and the sixth lens L6 are all made of glass. In this case, the camera assembly 10 can withstand Higher temperature and better optical properties. In other embodiments, only the first lens L1 may be made of glass, and other lenses may be made of plastic. In this case, the first lens L1 closest to the object side can well withstand the influence of the ambient temperature on the object side , and because other lenses are made of plastic materials, the camera assembly 10 can also maintain a low production cost.

In some embodiments, an infrared filter L7 is further disposed on the image side of the sixth lens L6, the infrared filter L7 includes an object side S14 and an image side S15, and the infrared filter L7 is made of glass. The infrared filter L7 is used for filtering the imaging light, specifically for isolating the infrared light and preventing the infrared light from entering the imaging surface S16 , thereby preventing the infrared light from affecting the color and clarity of the normal image and improving the imaging quality of the camera assembly 10 .

In some embodiments, the camera assembly 10 satisfies the following relationship:

0.50＜ImgH*tan(HFOV)/f＜0.80;

-20.00<R41/OAL<20.00;

Wherein, f is the focal length of the camera assembly 10, that is, the effective focal length of the camera assembly 10, ImgH is the maximum imaging height of the camera assembly 10, HFOV is half of the maximum angle of view of the camera assembly 10, R41 is the object side S8 of the fourth lens L4 The curvature radius at the optical axis, OAL is the distance on the optical axis from the object side S2 of the first lens L1 to the image side S13 of the sixth lens L6. In some embodiments, the relationship of ImgH*tan(HFOV)/f may be 0.55, 0.57, 0.60, 0.63, 0.65, 0.69, 0.72, 0.75, 0.77, or 0.79. In some embodiments, the R41/OAL relationship may be -15.00, -14.90, -14.50, -13.00, -3.00, -1.00, 2.00, 2.30, 2.70, 8.00, 13.00, 13.20, 13.40, or 13.50.

By reasonably configuring the focal length f of the camera assembly 10, that is, the effective focal length of the camera assembly 10, and when the above range of ImgH*tan(HFOV)/f is satisfied, the camera assembly 10 can reasonably compress the focal length f while increasing the image size. Therefore, it is easier to match large-size photosensitive elements to improve image quality; when the ratio of ImgH*tan(HFOV)/f is lower than the lower limit, the image height is reduced, and it is not easy to match with conventional large-size chips, resulting in poor surrounding image quality; When the ratio is higher than the upper limit, the focal length f is excessively compressed, which is not conducive to the configuration of the lens surface and affects the imaging quality. In addition, when the above range of R41/OAL is satisfied, it is helpful to control the surface shape of the fourth lens L4, so that the fourth lens L4 can better correct the errors generated by the first lens L1, the second lens L2 and the third lens L3. Spherical aberration improves the imaging quality. In addition, since the fourth lens L4 is close to the middle position of the lens group, at this time, the curvature radius of the object side S8 of the fourth lens L4 is reasonably configured to make the surface have a relatively gentle surface shape, thereby The deflection angle between the outgoing light and the incoming light can be effectively reduced, so as to avoid the problems of ghost images and increased distortion in the edge field of view, thereby reducing the sensitivity of the camera assembly 10 .

In some embodiments, the camera assembly 10 satisfies the following relationship:

1.00＜|f4/f3|＜6.00;

Wherein, f3 is the focal length of the third lens L3, and f4 is the focal length of the fourth lens L4. In some embodiments, the relationship of |f4/f3| may be 1.70, 1.80, 2.00, 2.20, 2.50, 3.00, 3.80, 4.10, 4.30, 5.50, 5.80, or 5.85. Among them, the third lens L3 provides negative refractive power, and the fourth lens L4 provides positive refractive power, and when the above relationship is satisfied, the refractive powers of the third lens L3 and the fourth lens L4 can be reasonably configured to correct the part formed by the first lens. The chromatic aberration generated by the lens L1 and the second lens L2 improves the image quality. In addition, when it exceeds the upper limit of the above-mentioned relational expression, the positive refractive power of the fourth lens L4 becomes weak, and the negative refractive power of the third lens L3 becomes strong, resulting in an increase in the sensitivity of the imaging element 10 and an increase in higher-order aberrations. When it is lower than the lower limit, the negative refractive power of the third lens L3 is weak, the correction of chromatic spherical aberration becomes difficult, and good image quality cannot be maintained.

In some embodiments, the camera assembly 10 satisfies the following relationship:

1.40<TTL/ImgH<1.70;

Wherein, TTL is the distance from the object side surface S2 of the first lens L1 to the imaging surface S16 on the optical axis, and ImgH is the maximum imaging height of the camera assembly 10 . In some embodiments, the TTL/ImgH relationship may be 1.45, 1.50, 1.55, or 1.60. For the same maximum imaging height, when the above relationship is satisfied, the total length of the camera assembly 10 in the optical axis direction can be effectively compressed, so as to satisfy the miniaturized design.

In some embodiments, the camera assembly 10 satisfies the following relationship:

0.50≤EPD/f＜0.70;

Wherein, EPD is the entrance pupil diameter of the camera assembly 10 , and f is the focal length of the entire camera assembly 10 . In some embodiments, the relationship of EPD/f may be 0.51, 0.52, 0.54, 0.57, 0.60, 0.62, or 0.63. When the above relationship is satisfied, it is helpful to expand the aperture of the camera assembly 10 and increase the amount of incident light of the camera assembly 10 in a dark environment, so as to improve the imaging quality.

In some embodiments, the camera assembly 10 satisfies the following relationship:

1.00＜(CT3+CT4)/T45＜3.50;

Among them, CT3 is the central thickness of the third lens L3 on the optical axis, CT4 is the central thickness of the fourth lens L4 on the optical axis, and T45 is the image side S9 of the fourth lens L4 to the object side S10 of the fifth lens L5. distance on the optical axis. In some embodiments, the relationship of (CT3+CT4)/T45 may be 1.20, 1.40, 1.50, 1.60, 1.70, 1.80, 1.90, 2.30, 2.80, or 3.00. When the above relationship is satisfied, the relationship between the lens thickness and the lens spacing can be reasonably configured, which is beneficial to reduce the sensitivity of the imaging assembly 10 and at the same time shorten the length of the imaging assembly 10 in the optical axis direction.

In some embodiments, the camera assembly 10 satisfies the following relationship:

0.40＜R12/R21＜1.00;

Wherein, R12 is the radius of curvature of the image side S3 of the first lens L1 at the optical axis, and R21 is the radius of curvature of the object side S4 of the second lens L2 at the optical axis. In some embodiments, the R12/R21 relationship may be 0.45, 0.48, 0.52, 0.60, 0.65, 0.70, 0.73, 0.77, 0.80, 0.85, 0.90, or 0.93. When the above relationship is satisfied, the curvature radii of the first lens L1 and the second lens L2 can be adjusted reasonably, thereby reducing the sensitivity of the imaging assembly 10 and improving the imaging quality.

In some embodiments, the camera assembly 10 satisfies the following relationship:

0.50＜f1/f2＜2.00;

Wherein, f1 is the focal length of the first lens L1, and f2 is the focal length of the second lens L2. Both the first lens L1 and the second lens L2 provide positive refractive power. In some embodiments, the relationship of f1/f2 may be 0.75, 1.00, 1.20, 1.25, 1.30, 1.55, 1.65, 1.75, or 1.80. When the above-mentioned relationship is satisfied, the focal lengths of the first lens L1 and the second lens L2 are within a relatively consistent range, so that the front end of the camera assembly 10 (the lens group composed of the first lens L1 and the second lens L2) can be provided with sufficient Positive inflection force and improved ability to balance field curvature. In addition, by controlling the focal lengths of the first lens L1 and the second lens L2 within a relatively consistent range, the refractive powers of the front ends of the imaging element 10 can be matched with each other, so that the deflection angle between the outgoing light rays and the incident light rays is at the front end of the imaging element 10 . not so large that the sensitivity of the camera assembly 10 is reduced.

In some embodiments, the image side surface S13 of the sixth lens L6 is provided with at least one inflection point, and the camera assembly 10 satisfies the following relationship:

0.30＜R62/f＜0.40;

Wherein, f is the focal length of the imaging component 10, that is, the total effective focal length of the imaging component 10, and R62 is the radius of curvature of the image side surface S13 of the sixth lens L6 at the optical axis. In some embodiments, the relationship of R62/f may be 0.33, 0.34, 0.35, 0.36 or 0.37. When the above relationship is satisfied, the spherical aberration of the imaging unit 10 can be corrected, and the imaging quality can be improved. In addition, the surface shape change of the image side S13 of the sixth lens L6 from the optical axis to the circumference includes, for example, the change from concave surface to convex surface or from concave surface to convex surface to concave surface, and this surface shape change can correct the color of the off-axis field of view. Aberration and ghost image problems, improve the imaging quality of the edge field of view, and converge the angle of the edge field of view incident on the imaging surface to ensure the matching with the photosensitive element, so as to present a good peripheral field of view image.

first embodiment

In the first embodiment shown in FIG. 1 , the camera assembly 10 includes a diaphragm ST0, a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, and a fifth lens in sequence from the object side to the image side L5 and sixth lens L6. FIG. 2 is a spherical chromatic aberration diagram (mm), an astigmatism diagram (mm), and a distortion diagram (%) of the imaging module 10 in the first embodiment.

The object side S2 of the first lens L1 is convex at the optical axis, the image side S3 of the first lens L1 is concave at the optical axis; the object side S2 of the first lens L1 is convex at the circumference, and the first lens L1 The image side S3 is convex at the circumference. The object side S4 of the second lens L2 is convex at the optical axis, the image side S5 of the second lens L2 is convex at the optical axis; the object side S4 of the second lens L2 is convex at the circumference, and the image of the second lens L2 is convex at the circumference. The side surface S5 is convex at the circumference. The object side S6 of the third lens L3 is convex at the optical axis, the image side S7 of the third lens L3 is concave at the optical axis; the object side S6 of the third lens L3 is concave at the circumference, and the image of the third lens L3 is concave at the circumference. The side surface S7 is concave at the circumference. The object side S8 of the fourth lens L4 is convex at the optical axis, the image side S9 of the fourth lens L4 is convex at the optical axis; the object side S8 of the fourth lens L4 is concave at the circumference, and the image of the fourth lens L4 is convex. The side surface S9 is convex at the circumference. The object side S10 of the fifth lens L5 is convex at the optical axis, the image side S11 of the fifth lens L5 is concave at the optical axis; the object side S10 of the fifth lens L5 is concave at the circumference, and the image of the fifth lens L5 is concave. The side surface S11 is convex at the circumference. The object side S12 of the sixth lens L6 is convex at the optical axis, the image side S13 of the sixth lens L6 is concave at the optical axis; the object side S12 of the sixth lens L6 is concave at the circumference, and the image of the sixth lens L6 is concave. The side surface S13 is convex at the circumference.

The object side and the image side of the first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5 and the sixth lens L6 are aspherical, and the aspherical design can solve the problem of distortion of the horizon , it can also make the lens smaller, thinner and flatter to achieve excellent optical effect, so that the camera assembly 10 has a smaller volume.

The first lens L1 , the second lens L2 , the third lens L3 , the fourth lens L4 , the fifth lens L5 and the sixth lens L6 are all made of plastic, and the lenses made of plastic can reduce the weight of the camera assembly 10 , and can also reduce manufacturing cost.

In addition, an infrared filter L7 is also provided on the image side of the sixth lens L6, and the infrared filter L7 plays the role of filtering infrared light, preventing the infrared light from reaching the imaging surface and interfering with normal imaging, thereby improving the imaging of the camera assembly 10. quality.

The camera assembly 10 in the first embodiment satisfies the following relationship:

ImgH*tan(HFOV)/f=0.61;

R41/OAL=13.56;

Wherein, f is the focal length of the camera assembly 10, ImgH is the maximum imaging height of the camera assembly 10, HFOV is half of the maximum field angle of the camera assembly 10, R41 is the curvature radius of the object side surface S8 of the fourth lens L4 at the optical axis, OAL is the distance on the optical axis from the object side S2 of the first lens L1 to the image side S13 of the sixth lens L6.

When the above relationship is satisfied, the camera assembly 10 can reasonably compress the focal length f and at the same time increase the imaging area, so that it is easier to match the large-size photosensitive element to improve the imaging quality; The fourth lens L4 can better correct the spherical aberration generated by the first lens L1, the second lens L2 and the third lens L3, so as to improve the imaging quality, and since the fourth lens L4 is close to the middle position of the lens group, at this time, through The curvature radius of the object side S8 of the fourth lens L4 is reasonably configured to make the surface have a relatively gentle surface shape, which can effectively reduce the deflection angle between the outgoing light and the incident light, and avoid ghost images and increased distortion in the edge field of view. problem, thereby reducing the sensitivity of the camera assembly 10.

The camera assembly 10 in the first embodiment satisfies the following relationship:

|f4/f3|=4.16;

Wherein, f3 is the focal length of the third lens L3, and f4 is the focal length of the fourth lens L4. The third lens L3 provides negative refractive power, the fourth lens L4 provides positive refractive power, and when the above relationship is satisfied, the refractive powers of the third lens L3 and the fourth lens L4 can be reasonably configured to correct the part of the refractive power formed by the first lens L1 and the chromatic aberration generated by the second lens L2, thereby improving the image quality.

The camera assembly 10 in the first embodiment satisfies the following relationship:

TTL/ImgH=1.61;

Wherein, TTL is the distance from the object side surface S2 of the first lens L1 to the imaging surface S16 on the optical axis, and ImgH is the maximum imaging height of the camera assembly 10 . For the same maximum imaging height, when the above relationship is satisfied, the total length of the camera assembly 10 in the optical axis direction can be effectively compressed, so as to satisfy the miniaturized design.

The camera assembly 10 in the first embodiment satisfies the following relationship:

EPD/f=0.63;

Wherein, EPD is the entrance pupil diameter of the camera assembly 10 , and f is the focal length of the entire camera assembly 10 . When the above relationship is satisfied, it is helpful to expand the aperture of the camera assembly 10 and increase the amount of incident light of the camera assembly 10 in a dark environment, so as to improve the imaging quality.

The camera assembly 10 in the first embodiment satisfies the following relationship:

(CT3+CT4)/T45=1.46;

Among them, CT3 is the central thickness of the third lens L3 on the optical axis, CT4 is the central thickness of the fourth lens L4 on the optical axis, and T45 is the image side S9 of the fourth lens L4 to the object side S10 of the fifth lens L5. distance on the optical axis. When the above relationship is satisfied, the relationship between the lens thickness and the lens spacing can be reasonably configured, which is beneficial to reduce the sensitivity of the imaging assembly 10 and at the same time shorten the length of the imaging assembly 10 in the optical axis direction.

The camera assembly 10 in the first embodiment satisfies the following relationship:

R12/R21=0.68;

Wherein, R12 is the radius of curvature of the image side S3 of the first lens L1 at the optical axis, and R21 is the radius of curvature of the object side S4 of the second lens L2 at the optical axis. When the above relationship is satisfied, the curvature radii of the first lens L1 and the second lens L2 can be reasonably adjusted, thereby reducing the sensitivity of the camera assembly 10 and improving the imaging quality.

The camera assembly 10 in the first embodiment satisfies the following relationship:

f1/f2=1.27;

Wherein, f1 is the focal length of the first lens L1, and f2 is the focal length of the second lens L2. Both the first lens L1 and the second lens L2 provide positive refractive power, and when the above relationship is satisfied, the focal lengths of the first lens L1 and the second lens L2 are relatively consistent, so that they can be the front end of the camera assembly 10 (the first lens L1 and the second lens L2). The lens group formed by the second lens L2) provides sufficient positive refractive power and improves the ability to balance the curvature of field. In addition, by controlling the focal lengths of the first lens L1 and the second lens L2 within a relatively consistent range, the refractive powers of the front ends of the imaging element 10 can be matched with each other, so that the deflection angle between the outgoing light rays and the incident light rays is at the front end of the imaging element 10 . not so large that the sensitivity of the camera assembly 10 is reduced.

In the image pickup assembly 10 of the first embodiment, the image side surface S13 of the sixth lens L6 is provided with at least one inflection point, and the image pickup assembly 10 satisfies the following relationship:

R62/f=0.37;

Wherein, f is the focal length of the imaging component 10, that is, the total effective focal length of the imaging component 10, and R62 is the radius of curvature of the image side surface S13 of the sixth lens L6 at the optical axis. When the above relationship is satisfied, the spherical aberration of the imaging unit 10 can be corrected, and the imaging quality can be improved. In addition, the surface shape of the image side S13 of the sixth lens L6 changes from the optical axis to the circumference to the concave surface to the convex surface. This surface shape change can correct the chromatic aberration and ghost image problems in the off-axis field of view, and improve the edge The imaging quality of the field of view and the incident angle of the edge field of view to the imaging surface are converged to ensure the matching with the photosensitive element, so as to present a good image of the peripheral field of view.

In addition, various parameters of the camera assembly 10 are given in Table 1 and Table 2. The elements from the object plane to the imaging plane S14 are sequentially arranged in the order of the elements from top to bottom in Table 1. The Y radius in Table 1 is the radius of curvature at the optical axis of the object side or image side of the corresponding surface number. Surface numbers 2 and 3 are the object side S2 and the image side S3 of the first lens L1 respectively, that is, in the same lens, the surface with the smaller surface number is the object side, and the surface with the larger surface number is the image side. The first value in the "thickness" parameter column of the first lens L1 is the thickness of the lens on the optical axis, and the second value is the distance from the image side of the lens to the object side of the following lens on the optical axis. In addition, the value of the object surface corresponding to the surface number 0 in the "thickness" parameter is the distance from the object to the aperture ST0, which is only used as a reference distance here. In other embodiments, the distance from the subject to the stop ST0 may also be 470mm, 500mm, 600mm, 700mm, 800mm, 900mm, 1000mm, 2000mm, 5000mm or infinity, and of course it can be any value, which is not specific. limited. The value corresponding to the surface number 15 in the "thickness" parameter of the infrared filter L7 is the distance from the image side S15 to the imaging surface S16 of the infrared filter L7. K in Table 2 is the conic constant, and Ai is the coefficient corresponding to the i-th high-order term in the aspheric surface formula.

In addition, the refractive index and Abbe number of each lens are numerical values at the reference wavelength.

In the first embodiment, the focal length of the entire camera assembly 10 is f=4.09mm, the aperture number is FNO=1.6, the maximum field angle is FOV(deg)=74.56 degrees, and the object side S2 of the first lens L1 reaches the imaging plane The distance of S14 on the optical axis is TTL=5.24mm.

Table 1

Table 2

Second Embodiment

In the second embodiment shown in FIG. 3 , the camera assembly 10 includes a diaphragm ST0, a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, and a fifth lens in sequence from the object side to the image side L5 and sixth lens L6. 4 is a spherical chromatic aberration diagram (mm), an astigmatism diagram (mm), and a distortion diagram (%) of the imaging module 10 in the second embodiment.

The object side S2 of the first lens L1 is convex at the optical axis, the image side S3 of the first lens L1 is concave at the optical axis; the object side S2 of the first lens L1 is convex at the circumference, and the first lens L1 The image side S3 is concave at the circumference. The object side S4 of the second lens L2 is convex at the optical axis, the image side S5 of the second lens L2 is convex at the optical axis; the object side S4 of the second lens L2 is convex at the circumference, and the image of the second lens L2 is convex at the circumference. The side surface S5 is convex at the circumference. The object side S6 of the third lens L3 is convex at the optical axis, the image side S7 of the third lens L3 is concave at the optical axis; the object side S6 of the third lens L3 is concave at the circumference, and the image of the third lens L3 is concave at the circumference. The side surface S7 is concave at the circumference. The object side S8 of the fourth lens L4 is concave at the optical axis, the image side S9 of the fourth lens L4 is convex at the optical axis; the object side S8 of the fourth lens L4 is concave at the circumference, and the image of the fourth lens L4 is concave at the circumference. The side surface S9 is convex at the circumference. The object side S10 of the fifth lens L5 is convex at the optical axis, the image side S11 of the fifth lens L5 is concave at the optical axis; the object side S10 of the fifth lens L5 is concave at the circumference, and the image of the fifth lens L5 is concave. The side surface S11 is convex at the circumference. The object side S12 of the sixth lens L6 is convex at the optical axis, the image side S13 of the sixth lens L6 is concave at the optical axis; the object side S12 of the sixth lens L6 is concave at the circumference, and the image of the sixth lens L6 is concave. The side surface S13 is convex at the circumference.

Various parameters of the camera assembly 10 are given in Table 3 and Table 4. The elements from the object plane to the imaging plane S14 are sequentially arranged in the order of the elements from top to bottom in Table 3. The Y radius in Table 3 is the radius of curvature at the optical axis of the object side or image side of the corresponding surface number. Surface numbers 2 and 3 are the object side S2 and the image side S3 of the first lens L1 respectively, that is, in the same lens, the surface with the smaller surface number is the object side, and the surface with the larger surface number is the image side. The first value in the "thickness" parameter column of the first lens L1 is the thickness of the lens on the optical axis, and the second value is the distance from the image side of the lens to the object side of the following lens on the optical axis. In addition, the value of the object surface corresponding to the surface number 0 in the "thickness" parameter is the distance from the object to the aperture ST0, which is only used as a reference distance here. In other embodiments, the distance from the object to the stop ST0 may also be 470mm, 500mm, 600mm, 700mm, 800mm, 900mm, 1000mm, 2000mm, 5000mm, or infinity, or any value, which is not specifically limited . The value corresponding to the surface number 15 in the "thickness" parameter of the infrared filter L7 is the distance from the image side S15 to the imaging surface S16 of the infrared filter L7. K in Table 4 is the conic constant, and Ai is the coefficient corresponding to the i-th high-order term in the aspheric surface type formula.

In addition, the refractive index and Abbe number of each lens are numerical values at the reference wavelength.

In the second embodiment, the focal length of the entire camera assembly 10 is f=3.64mm, the aperture number is FNO=2.0, the maximum angle of view is FOV(deg)=82.72 degrees, and the object side S2 of the first lens L1 reaches the imaging plane The distance of S14 on the optical axis is TTL=4.70mm.

table 3

Table 4

According to the parameter information provided above, the following data can be inferred:

Third Embodiment

In the third embodiment shown in FIG. 5 , the camera assembly 10 includes a diaphragm ST0, a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, and a fifth lens in sequence from the object side to the image side L5 and sixth lens L6. 6 is a spherical chromatic aberration diagram (mm), an astigmatism diagram (mm), and a distortion diagram (%) of the imaging module 10 in the third embodiment.

The object side S2 of the first lens L1 is convex at the optical axis, the image side S3 of the first lens L1 is concave at the optical axis; the object side S2 of the first lens L1 is convex at the circumference, and the first lens L1 The image side S3 is concave at the circumference. The object side S4 of the second lens L2 is convex at the optical axis, the image side S5 of the second lens L2 is convex at the optical axis; the object side S4 of the second lens L2 is convex at the circumference, and the image of the second lens L2 is convex at the circumference. The side surface S5 is convex at the circumference. The object side S6 of the third lens L3 is convex at the optical axis, the image side S7 of the third lens L3 is concave at the optical axis; the object side S6 of the third lens L3 is convex at the circumference, and the image of the third lens L3 The side surface S7 is concave at the circumference. The object side S8 of the fourth lens L4 is convex at the optical axis, the image side S9 of the fourth lens L4 is convex at the optical axis; the object side S8 of the fourth lens L4 is concave at the circumference, and the image of the fourth lens L4 is convex. The side surface S9 is concave at the circumference. The object side S10 of the fifth lens L5 is convex at the optical axis, the image side S11 of the fifth lens L5 is concave at the optical axis; the object side S10 of the fifth lens L5 is convex at the circumference, and the image of the fifth lens L5 is concave. The side surface S11 is concave at the circumference. The object side S12 of the sixth lens L6 is convex at the optical axis, the image side S13 of the sixth lens L6 is concave at the optical axis; the object side S12 of the sixth lens L6 is convex at the circumference, and the image of the sixth lens L6 is concave. The side surface S13 is concave at the circumference. Specifically, the surface shape of the image side surface S13 of the sixth lens L6 changes from the optical axis to the circumference to a concave surface to a convex surface and then to a concave surface. This surface shape change can correct the off-axis field of view. Chromatic aberration and ghost image problems, improve the imaging quality of the edge field of view, and converge the angle of the edge field of view incident on the imaging surface to ensure the matching with the photosensitive element, so as to present a good peripheral field of view image.

Various parameters of the camera assembly 10 are given in Table 5 and Table 6. The elements from the object plane to the imaging plane S14 are sequentially arranged in the order of the elements from top to bottom in Table 5. The Y radius in Table 5 is the radius of curvature at the optical axis of the object side or image side of the corresponding surface number. Surface numbers 2 and 3 are the object side S2 and the image side S3 of the first lens L1 respectively, that is, in the same lens, the surface with the smaller surface number is the object side, and the surface with the larger surface number is the image side. The first value in the "thickness" parameter column of the first lens L1 is the thickness of the lens on the optical axis, and the second value is the distance from the image side of the lens to the object side of the following lens on the optical axis. In addition, the value of the object surface corresponding to the surface number 0 in the "thickness" parameter is the distance from the object to the aperture ST0, which is only used as a reference distance here. In other embodiments, the distance from the object to the stop ST0 may also be 470mm, 500mm, 600mm, 700mm, 800mm, 900mm, 1000mm, 2000mm, 5000mm, or infinity, or any value, which is not specifically limited . The value corresponding to the surface number 15 in the "thickness" parameter of the infrared filter L7 is the distance from the image side S15 to the imaging surface S16 of the infrared filter L7. K in Table 6 is the conic constant, and Ai is the coefficient corresponding to the higher-order term of the i-th term in the aspheric surface type formula.

In addition, the refractive index and Abbe number of each lens are numerical values at the reference wavelength.

In the third embodiment, the focal length of the entire camera assembly 10 is f=3.76mm, the aperture number is FNO=1.7, the maximum field angle is FOV(deg)=80.00 degrees, and the object side S2 of the first lens L1 reaches the imaging plane The distance of S14 on the optical axis is TTL=4.77mm.

table 5

Table 6

According to the parameter information provided above, the following data can be inferred:

Fourth Embodiment

In the fourth embodiment shown in FIG. 7 , the camera assembly 10 includes a diaphragm ST0, a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, and a fifth lens in sequence from the object side to the image side L5 and sixth lens L6. 8 is a spherical chromatic aberration diagram (mm), an astigmatism diagram (mm), and a distortion diagram (%) of the imaging module 10 in the fourth embodiment.

The object side S2 of the first lens L1 is convex at the optical axis, the image side S3 of the first lens L1 is concave at the optical axis; the object side S2 of the first lens L1 is convex at the circumference, and the first lens L1 The image side S3 is convex at the circumference. The object side S4 of the second lens L2 is convex at the optical axis, the image side S5 of the second lens L2 is convex at the optical axis; the object side S4 of the second lens L2 is convex at the circumference, and the image of the second lens L2 is convex at the circumference. The side surface S5 is convex at the circumference. The object side S6 of the third lens L3 is concave at the optical axis, the image side S7 of the third lens L3 is convex at the optical axis; the object side S6 of the third lens L3 is concave at the circumference, and the image of the third lens L3 The side surface S7 is concave at the circumference. The object side S8 of the fourth lens L4 is concave at the optical axis, the image side S9 of the fourth lens L4 is convex at the optical axis; the object side S8 of the fourth lens L4 is concave at the circumference, and the image of the fourth lens L4 is concave at the circumference. The side surface S9 is convex at the circumference. The object side S10 of the fifth lens L5 is concave at the optical axis, the image side S11 of the fifth lens L5 is convex at the optical axis; the object side S10 of the fifth lens L5 is concave at the circumference, and the image of the fifth lens L5 is concave. The side surface S11 is convex at the circumference. The object side S12 of the sixth lens L6 is convex at the optical axis, the image side S13 of the sixth lens L6 is concave at the optical axis; the object side S12 of the sixth lens L6 is concave at the circumference, and the image of the sixth lens L6 is concave. The side surface S13 is convex at the circumference.

Various parameters of the camera assembly 10 are given in Tables 7 and 8. The elements from the object plane to the imaging plane S14 are sequentially arranged in the order of the elements from top to bottom in Table 7. The Y radius in Table 7 is the radius of curvature at the optical axis of the object side or image side of the corresponding surface number. Surface numbers 2 and 3 are the object side S2 and the image side S3 of the first lens L1 respectively, that is, in the same lens, the surface with the smaller surface number is the object side, and the surface with the larger surface number is the image side. The first value in the "thickness" parameter column of the first lens L1 is the thickness of the lens on the optical axis, and the second value is the distance from the image side of the lens to the object side of the following lens on the optical axis. In addition, the value of the object surface corresponding to the surface number 0 in the "thickness" parameter is the distance from the object to the aperture ST0, which is only used as a reference distance here. In other embodiments, the distance from the object to the stop ST0 may also be 470mm, 500mm, 600mm, 700mm, 800mm, 900mm, 1000mm, 2000mm, 5000mm, or infinity, or any value, which is not specifically limited . The value corresponding to the surface number 15 in the "thickness" parameter of the infrared filter L7 is the distance from the image side S15 to the imaging surface S16 of the infrared filter L7. K in Table 8 is the conic constant, and Ai is the coefficient corresponding to the i-th high-order term in the aspheric surface type formula.

In addition, the refractive index and Abbe number of each lens are numerical values at the reference wavelength.

In the fourth embodiment, the focal length of the entire camera assembly 10 is f=3.90mm, the aperture number is FNO=1.9, the maximum field of view is FOV(deg)=78.00 degrees, the object side S2 of the first lens L1 reaches the imaging plane The distance of S14 on the optical axis is TTL=4.98mm.

Table 7

Table 8

According to the parameter information provided above, the following data can be inferred:

Fifth Embodiment

In the fifth embodiment shown in FIG. 9 , the camera assembly 10 includes a diaphragm ST0, a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, and a fifth lens in sequence from the object side to the image side L5 and sixth lens L6. 10 is a spherical chromatic aberration diagram (mm), an astigmatism diagram (mm), and a distortion diagram (%) of the imaging module 10 in the fifth embodiment.

The object side S2 of the first lens L1 is convex at the optical axis, the image side S3 of the first lens L1 is concave at the optical axis; the object side S2 of the first lens L1 is convex at the circumference, and the first lens L1 The image side S3 is convex at the circumference. The object side S4 of the second lens L2 is convex at the optical axis, the image side S5 of the second lens L2 is convex at the optical axis; the object side S4 of the second lens L2 is concave at the circumference, and the image of the second lens L2 The side surface S5 is convex at the circumference. The object side S6 of the third lens L3 is concave at the optical axis, the image side S7 of the third lens L3 is concave at the optical axis; the object side S6 of the third lens L3 is concave at the circumference, and the image of the third lens L3 is concave at the circumference. The side surface S7 is concave at the circumference. The object side S8 of the fourth lens L4 is convex at the optical axis, the image side S9 of the fourth lens L4 is convex at the optical axis; the object side S8 of the fourth lens L4 is concave at the circumference, and the image of the fourth lens L4 is convex. The side surface S9 is convex at the circumference. The object side S10 of the fifth lens L5 is convex at the optical axis, the image side S11 of the fifth lens L5 is concave at the optical axis; the object side S10 of the fifth lens L5 is concave at the circumference, and the image of the fifth lens L5 is concave. The side surface S11 is convex at the circumference. The object side S12 of the sixth lens L6 is convex at the optical axis, the image side S13 of the sixth lens L6 is concave at the optical axis; the object side S12 of the sixth lens L6 is concave at the circumference, and the image of the sixth lens L6 is concave. The side surface S13 is convex at the circumference.

Various parameters of the camera assembly 10 are given in Table 9 and Table 10. The elements from the object plane to the imaging plane S14 are sequentially arranged in the order of the elements from top to bottom in Table 9. The Y radius in Table 9 is the radius of curvature at the optical axis of the object side or image side of the corresponding surface number. Surface numbers 2 and 3 are the object side S2 and the image side S3 of the first lens L1 respectively, that is, in the same lens, the surface with the smaller surface number is the object side, and the surface with the larger surface number is the image side. The first value in the "thickness" parameter column of the first lens L1 is the thickness of the lens on the optical axis, and the second value is the distance from the image side of the lens to the object side of the following lens on the optical axis. In addition, the value of the object surface corresponding to the surface number 0 in the "thickness" parameter is the distance from the object to the aperture ST0, which is only used as a reference distance here. In other embodiments, the distance from the object to the stop ST0 may also be 470mm, 500mm, 600mm, 700mm, 800mm, 900mm, 1000mm, 2000mm, 5000mm, or infinity, or any value, which is not specifically limited . The value corresponding to the surface number 15 in the "thickness" parameter of the infrared filter L7 is the distance from the image side S15 to the imaging surface S16 of the infrared filter L7. K in Table 10 is the conic constant, and Ai is the coefficient corresponding to the i-th higher-order term in the aspheric surface type formula.

In addition, the refractive index and Abbe number of each lens are numerical values at the reference wavelength.

In the fifth embodiment, the focal length of the entire camera assembly 10 is f=4.32mm, the aperture number is FNO=2.0, the maximum angle of view is FOV(deg)=72.00 degrees, and the object side S2 of the first lens L1 reaches the imaging plane The distance of S14 on the optical axis is TTL=5.20mm.

Table 9

Table 10

According to the parameter information provided above, the following data can be inferred:

As shown in FIG. 11 , in some embodiments, the camera module 20 includes the camera assembly 10 and a photosensitive element 210 , and the photosensitive element 210 is disposed at the imaging surface S16 of the camera assembly 10 . Since the camera assembly 10 is used, the camera module 20 can be matched with a larger-sized photosensitive element 210 to match the camera assembly 10 . The larger-sized photosensitive element 210 has higher pixels, thereby improving the imaging quality of the camera module 20 . In addition, the use of the camera assembly 10 can also effectively avoid the problems of ghost images and increased distortion in the edge field of view of the camera module 20, thereby reducing the sensitivity. Specifically, the photosensitive element 210 may be a CCD (Charge Coupled Device, charge coupled device) or a CMOS (Complementary Metal Oxide Semiconductor, complementary metal oxide semiconductor). The photosensitive element 210 is connected to the circuit board, and the optical signal carrying the image of the subject is received by the photosensitive element 210 after being focused by the camera assembly 10. At this time, the optical signal is converted into an electrical signal and transmitted to the system terminal through the circuit board for processing. parsing in the server. In some embodiments, the camera assembly 10 and the photosensitive element 210 are dispensed and packaged.

As shown in FIG. 12 , in some embodiments, the camera module 20 is applied to the mobile terminal 30, and the mobile terminal 30 further includes a casing, a circuit board, and a touch screen. The touch screen is connected to the casing, and the camera module 20 is electrically connected to the circuit board. At the same time, the camera module 20 is arranged between the casing and the touch screen. In some embodiments, the camera module 20 can be used as a front camera and/or a rear camera of the mobile terminal 30 . In addition, in some embodiments, the mobile terminal 30 may be a miniaturized smart phone, a camera phone, a digital camera, a game console, a tablet computer, a PC, and other electronic devices.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (10)

1. An image capturing module, comprising, in order from an object side to an image side:

a diaphragm;

the optical lens assembly comprises a first lens element with positive refractive power, a second lens element with negative refractive power, a third lens element with positive refractive power, a fourth lens element with positive refractive power, a fifth lens element with negative refractive power, a sixth lens element with positive refractive power, a sixth lens element with negative refractive power, a;

the second lens element with positive refractive power has a convex object-side surface and a convex image-side surface at optical axes;

a third lens element with negative refractive power;

a fourth lens element with positive refractive power having a convex image-side surface along an optical axis;

a fifth lens element with refractive power;

the sixth lens element with negative refractive power has a convex object-side surface at an optical axis, a concave image-side surface at the optical axis, and both the object-side surface and the image-side surface of the sixth lens element are aspheric, and the sixth lens element has at least one inflection point;

the camera shooting assembly satisfies the following relational expression:

0.50＜ImgH*tan(HFOV)/f＜0.80；

-20.00＜R41/OAL＜20.00；

wherein f is a focal length of the image pickup assembly, ImgH is a maximum imaging height of the image pickup assembly, HFOV is half of a maximum field angle of the image pickup assembly, R41 is a radius of curvature of an object-side surface of the fourth lens at an optical axis, and OA L is a distance on the optical axis from the object-side surface of the first lens to an image-side surface of the sixth lens.

2. The camera assembly of claim 1, wherein the camera assembly satisfies the following relationship:

1.00＜|f4/f3|＜6.00；

wherein f3 is the focal length of the third lens, and f4 is the focal length of the fourth lens.

3. The camera assembly of claim 1, wherein the camera assembly satisfies the following relationship:

1.40＜TTL/ImgH＜1.70；

TT L is the distance between the object side surface of the first lens and the imaging surface on the optical axis.

4. The camera assembly of claim 1, wherein the camera assembly satisfies the following relationship:

0.50≤EPD/f＜0.70；

and the EPD is the diameter of the entrance pupil of the camera shooting assembly.

5. The camera assembly of claim 1, wherein the camera assembly satisfies the following relationship:

1.00＜(CT3+CT4)/T45＜3.50；

wherein CT3 is a central thickness of the third lens element, CT4 is a central thickness of the fourth lens element, and T45 is a distance between an image-side surface of the fourth lens element and an object-side surface of the fifth lens element.

6. The camera assembly of claim 1, wherein the camera assembly satisfies the following relationship:

0.40＜R12/R21＜1.00；

wherein R12 is a curvature radius of the image side surface of the first lens at the optical axis, and R21 is a curvature radius of the object side surface of the second lens at the optical axis.

7. The camera assembly of claim 1, wherein the camera assembly satisfies the following relationship:

0.50＜f1/f2＜2.00；

wherein f1 is the focal length of the first lens, and f2 is the focal length of the second lens.

8. The camera assembly of claim 1, wherein the image side surface of the sixth lens element is provided with at least one inflection point, and the camera assembly satisfies the following relationship:

0.30＜R62/f＜0.40；

wherein R62 is a radius of curvature of an image-side surface of the sixth lens element at an optical axis.

9. A camera module, comprising a photosensitive element and the camera module according to any one of claims 1 to 8, wherein the photosensitive element is disposed at an image plane of the camera module.

10. A mobile terminal characterized by comprising the camera module of claim 9.

Images