CN211086763U

CN211086763U - Optical imaging lens

Info

Publication number: CN211086763U
Application number: CN201921830586.9U
Authority: CN
Inventors: 张爽; 张晓彬; 戴付建; 赵烈烽
Original assignee: Zhejiang Sunny Optics Co Ltd
Current assignee: Zhejiang Sunny Optics Co Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-24
Anticipated expiration: 2029-10-29

Abstract

The application discloses an optical imaging lens, it includes from the object side to the image side along the optical axis in proper order: the first lens with positive focal power has a convex object-side surface and a concave image-side surface; a second lens having a negative optical power; a third lens having optical power; a fourth lens having a positive optical power; and a fifth lens having a negative optical power; the distance VP from the intersection point of the straight line where the marginal ray of the optical imaging lens is located and the optical axis to the axis of the object side surface of the first lens meets the requirement that VP is more than 0mm and less than 1.5 mm.

Description

Optical imaging lens

Technical Field

The present application relates to the field of optical elements, and more particularly, to an optical imaging lens.

Background

In recent years, with the upgrading of consumer electronics and the development of image software functions and video software functions on consumer electronics, the market demand for optical imaging lenses suitable for portable electronics is gradually increasing. For example, the market for full-screen cell phones is expanding.

In a full-screen mobile phone, the mobile phone installation space occupied by the screen is large, so that the installation space of other accessories of the mobile phone is compressed. The installation space of the front camera is also increasingly limited. In order to satisfy the miniaturization requirement and satisfy the imaging requirement, an optical imaging lens which can satisfy both miniaturization and small head size, good manufacturability and high image quality is required.

SUMMERY OF THE UTILITY MODEL

The present application provides an optical imaging lens applicable to portable electronic products that may solve, at least, or in part, at least one of the above-mentioned disadvantages of the related art.

The present application provides an optical imaging lens, sequentially from an object side to an image side along an optical axis, comprising: the first lens with positive focal power, the object side surface of the first lens can be a convex surface, and the image side surface of the first lens can be a concave surface; a second lens having a negative optical power; a third lens having optical power; a fourth lens having a positive optical power; and a fifth lens having a negative optical power.

In one embodiment, an on-axis distance VP from an intersection point of a straight line of the marginal ray of the optical imaging lens and the optical axis to the object side surface of the first lens may satisfy 0mm < VP < 1.5 mm.

In one embodiment, the effective focal length f4 of the fourth lens and the effective focal length f1 of the first lens can satisfy 1.0 < f4/f1 < 1.4.

In one embodiment, the effective focal length f2 of the second lens, the effective focal length f5 of the fifth lens, and the total effective focal length f of the optical imaging lens may satisfy 1.4 < (f5-f2)/f < 1.8.

In one embodiment, a distance TT L from the object side surface of the first lens to the imaging surface of the optical imaging lens on the optical axis and a half ImgH of a diagonal length of the effective pixel area on the imaging surface may satisfy TT L/ImgH < 1.3.

In one embodiment, a maximum field angle FOV of the optical imaging lens may satisfy 82 ° < FOV < 87 °.

In one embodiment, the entrance pupil diameter EPD of the optical imaging lens and the half of the diagonal length ImgH of the effective pixel area on the imaging plane of the optical imaging lens may satisfy 0.4 < EPD/ImgH < 0.6.

In one embodiment, the radius of curvature of the object-side surface of the first lens, R1, R2, R3, and R4 of the image-side surface of the first lens may satisfy 1.9 < (R3+ R4)/(R1+ R2) < 2.6.

In one embodiment, the total effective focal length f of the optical imaging lens, the radius of curvature R8 of the image-side surface of the fourth lens, and the radius of curvature R10 of the image-side surface of the fifth lens may satisfy 0.7 < (R10-R8)/f < 1.2.

In one embodiment, a separation distance T34 on an optical axis of the third lens and the fourth lens, a center thickness CT4 on the optical axis of the fourth lens, a separation distance T45 on the optical axis of the fourth lens and the fifth lens, and a center thickness CT5 on the optical axis of the fifth lens may satisfy 1.0 < (T34+ CT4)/(T45+ CT5) < 1.3.

In one embodiment, the effective half aperture DT11 of the object side surface of the first lens and the half length ImgH of the diagonal line of the effective pixel area on the imaging surface of the optical imaging lens can satisfy 2.3 < 10 × DT11/ImgH < 2.8.

In one embodiment, the combined focal length f12 of the first lens and the second lens, the central thickness CT1 of the first lens on the optical axis, and the central thickness CT2 of the second lens on the optical axis may satisfy 6.0 < f12/(CT1+ CT2) < 6.5.

In one embodiment, the window diameter DW of the optical imaging lens may satisfy 1.5mm < DW < 2.0 mm.

In one embodiment, an on-axis distance from an intersection of an object-side surface of the fifth lens and the optical axis to an effective radius vertex of the object-side surface of the fifth lens, SAG51, and an on-axis distance from an intersection of an image-side surface of the fifth lens and the optical axis to an effective radius vertex of the image-side surface of the fifth lens, SAG52 may satisfy 0.7 < SAG52/SAG51 < 0.9.

This application has adopted five lens, through the focal power of each lens of rational distribution, face type, the center thickness of each lens and the epaxial interval between each lens etc for above-mentioned optical imaging camera lens has that the head size is little, the manufacturability is good, at least one beneficial effect such as image quality height.

Drawings

Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments when taken in conjunction with the accompanying drawings. In the drawings:

FIG. 1 shows a schematic optical path diagram of an optical imaging lens according to the present application;

fig. 2 shows a schematic structural view of an optical imaging lens according to embodiment 1 of the present application; fig. 3A to 3D show an on-axis chromatic aberration curve, an astigmatic curve, a distortion curve, and a chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 1;

fig. 4 is a schematic structural view showing an optical imaging lens according to embodiment 2 of the present application; fig. 5A to 5D show an on-axis chromatic aberration curve, an astigmatic curve, a distortion curve, and a chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 2;

fig. 6 is a schematic structural view showing an optical imaging lens according to embodiment 3 of the present application; fig. 7A to 7D show an on-axis chromatic aberration curve, an astigmatic curve, a distortion curve, and a chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 3;

fig. 8 is a schematic structural view showing an optical imaging lens according to embodiment 4 of the present application; fig. 9A to 9D show an on-axis chromatic aberration curve, an astigmatic curve, a distortion curve, and a chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 4;

fig. 10 is a schematic structural view showing an optical imaging lens according to embodiment 5 of the present application; fig. 11A to 11D show an on-axis chromatic aberration curve, an astigmatic curve, a distortion curve, and a chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 5;

fig. 12 is a schematic structural view showing an optical imaging lens according to embodiment 6 of the present application; fig. 13A to 13D show an axial chromatic aberration curve, an astigmatism curve, a distortion curve, and a chromatic aberration of magnification curve, respectively, of the optical imaging lens of embodiment 6.

Detailed Description

For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification. The expression "and/or" includes any and all combinations of one or more of the associated listed items.

It should be noted that in this specification, the expressions first, second, third, etc. are used only to distinguish one feature from another, and do not represent any limitation on the features. Thus, the first lens discussed below may also be referred to as the second lens or the third lens without departing from the teachings of the present application.

In the drawings, the thickness, size, and shape of the lens have been slightly exaggerated for convenience of explanation. In particular, the shapes of the spherical or aspherical surfaces shown in the drawings are shown by way of example. That is, the shape of the spherical surface or the aspherical surface is not limited to the shape of the spherical surface or the aspherical surface shown in the drawings. The figures are purely diagrammatic and not drawn to scale.

Herein, the paraxial region refers to a region near the optical axis. If the lens surface is convex and the convex position is not defined, it means that the lens surface is convex at least in the paraxial region; if the lens surface is concave and the concave position is not defined, it means that the lens surface is concave at least in the paraxial region. The surface of each lens closest to the object is called the object side surface of the lens, and the surface of each lens closest to the imaging surface is called the image side surface of the lens.

It will be further understood that the terms "comprises," "comprising," "has," "having," "includes" and/or "including," when used in this specification, specify the presence of stated features, elements, and/or components, but do not preclude the presence or addition of one or more other features, elements, components, and/or groups thereof. Moreover, when a statement such as "at least one of" appears after a list of listed features, the entirety of the listed features is modified rather than modifying individual elements in the list. Furthermore, when describing embodiments of the present application, the use of "may" mean "one or more embodiments of the present application. Also, the term "exemplary" is intended to refer to an example or illustration.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The features, principles, and other aspects of the present application are described in detail below.

The optical imaging lens according to an exemplary embodiment of the present application may include, for example, five lenses having optical powers, i.e., a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. The five lenses are arranged in sequence from the object side to the image side along the optical axis. Any adjacent two lenses among the first to fifth lenses may have an air space therebetween.

In an exemplary embodiment, the first lens has a positive optical power, and the object side surface thereof may be convex and the image side surface thereof may be concave; the second lens has negative focal power; the third lens has positive focal power or negative focal power; the fourth lens has positive focal power; the fifth lens has a negative power. The low-order aberration of the lens is effectively balanced and controlled by reasonably controlling the positive and negative distribution of the focal power of each component of the lens and the lens surface curvature.

In an exemplary embodiment, referring to fig. 1, the optical imaging lens of the present application may satisfy the conditional expression 0mm < VP < 1.5mm, where VP is an on-axis distance from an intersection point of a straight line where an edge ray L of the optical imaging lens is located and an optical axis to an object side surface S1 of a first lens E1, fig. 1 schematically illustrates a plurality of optical paths in one meridian plane, the different optical paths having different incident rays in an object side direction of an object side surface S1 of the first lens E1, where extension lines of the two edge rays intersect at the same point with the optical axis, more specifically, VP may satisfy 1.01mm < VP < 1.11mm, and it is advantageous to limit a window size of the optical imaging lens by controlling a depth of an intersection point of extension lines of the edge ray L at an object side end of the optical imaging lens.

In an exemplary embodiment, the optical imaging lens of the present application may satisfy the conditional expression 1.0 < f4/f1 < 1.4, where f4 is an effective focal length of the fourth lens and f1 is an effective focal length of the first lens. More specifically, f4 and f1 satisfy 1.10 < f4/f1 < 1.35. The ratio of the effective focal length of the fourth lens to the effective focal length of the first lens is controlled, so that the aberration of the optical imaging lens is reduced, the optical imaging lens is provided with a gentle light path, the deflection angle of light can be reduced, the light can be output gently, and the sensitivity of the optical imaging lens is reduced.

In an exemplary embodiment, the optical imaging lens of the present application may satisfy the conditional expression 1.4 < (f5-f2)/f < 1.8, where f2 is an effective focal length of the second lens, f5 is an effective focal length of the fifth lens, and f is a total effective focal length of the optical imaging lens. More specifically, f2, f5, and f may satisfy 1.45 < (f5-f2)/f < 1.78. The effective focal length of the fifth lens and the effective focal length of the second lens are matched with the total effective focal length, so that the fifth lens and the second lens have proper focal power, the aberration balance of the optical imaging lens is facilitated, the comprehensive deflection degree of the fifth lens to light can be reduced, the local fuzzy degree of an inner view field is facilitated to be reduced, and the imaging performance of the optical imaging lens is improved.

In an exemplary embodiment, the optical imaging lens of the present application may satisfy a conditional expression TT L/ImgH < 1.3, where TT L is a distance on an optical axis from an object side surface of the first lens to an imaging surface of the optical imaging lens, and ImgH is a half of a diagonal length of an effective pixel region on the imaging surface, and more particularly, TT L and ImgH may satisfy 1.20 < TT L/ImgH < 1.29.

In an exemplary embodiment, the optical imaging lens of the present application may satisfy the conditional expression 82 ° < FOV < 87 °, where FOV is a maximum angle of view of the optical imaging lens. More specifically, the FOV may satisfy 83.9 ° < FOV < 85.6 °. The maximum field angle of the optical imaging lens is controlled, so that the field range of the optical imaging lens is favorably enlarged, the optical imaging system has a wide imaging space, the numerical value of VP is favorably reduced, and the windowing diameter of the optical imaging lens is favorably reduced.

In an exemplary embodiment, the optical imaging lens of the present application may satisfy the conditional expression 0.4 < EPD/ImgH < 0.6, where EPD is an entrance pupil diameter of the optical imaging lens and ImgH is a half of a diagonal length of an effective pixel region on an imaging plane of the optical imaging lens. More specifically, EPD and ImgH may satisfy 0.48 < EPD/ImgH < 0.53. The ratio of the diameter of the entrance pupil of the optical imaging system to the image height is controlled, so that the relative aperture of the optical imaging lens is favorably improved, the light transmission amount of the optical imaging lens is further increased, and the illumination of the optical imaging lens is favorably improved.

In an exemplary embodiment, the optical imaging lens of the present application may satisfy the conditional expression 1.9 < (R3+ R4)/(R1+ R2) < 2.6, where R1 is a radius of curvature of an object-side surface of the first lens, R2 is a radius of curvature of an image-side surface of the first lens, R3 is a radius of curvature of an object-side surface of the second lens, and R4 is a radius of curvature of an image-side surface of the second lens. More specifically, R1, R2, R3 and R4 may satisfy 1.97 < (R3+ R4)/(R1+ R2) < 2.54. The curvature radius of the two mirror surfaces of the first lens is matched with that of the two mirror surfaces of the second lens, so that chromatic aberration and spherical aberration of the optical imaging lens can be better corrected, and the imaging quality of the optical imaging lens is improved.

In an exemplary embodiment, the optical imaging lens of the present application may satisfy the conditional expression 0.7 < (R10-R8)/f < 1.2, where f is a total effective focal length of the optical imaging lens, R8 is a radius of curvature of an image-side surface of the fourth lens, and R10 is a radius of curvature of an image-side surface of the fifth lens. More specifically, f, R8, and R10 may satisfy 0.8 < (R10-R8)/f < 1.1. The curvature radius of the image side surface of the fourth lens and the curvature radius of the image side surface of the fifth lens are controlled to be matched with the total effective focal length, so that the fourth lens and the fifth lens have focal power meeting expectations, the deflection angle of light rays between the fourth lens and the fifth lens is further reduced, the coma aberration of the optical imaging lens is improved, and meanwhile the sensitivity of the optical imaging lens can be reduced.

In an exemplary embodiment, the optical imaging lens of the present application may satisfy the conditional expression 1.0 < (T34+ CT4)/(T45+ CT5) < 1.3, where T34 is a separation distance of the third lens from the fourth lens on the optical axis, CT4 is a center thickness of the fourth lens on the optical axis, T45 is a separation distance of the fourth lens from the fifth lens on the optical axis, and CT5 is a center thickness of the fifth lens on the optical axis. More specifically, T34, CT4, T45 and CT5 may satisfy 1.05 < (T34+ CT4)/(T45+ CT5) < 1.25. By controlling the position relation of each mirror surface in the image side surface of the third lens to the image side surface of the fifth lens, the field curvature of the optical imaging lens can be effectively corrected, the manufacturability of the optical imaging lens is improved, the sensitivity of the optical imaging lens is reduced, and the field curvature is easy to correct after each lens is assembled.

In an exemplary embodiment, the optical imaging lens of the present application may satisfy the conditional expression 2.3 < 10 × DT11/ImgH < 2.8, where DT11 is an effective half aperture of an object side surface of the first lens, and ImgH is a half of a diagonal length of an effective pixel region on an imaging surface of the optical imaging lens, and more particularly, DT11 and ImgH may satisfy 2.45 < 10 × DT11/ImgH < 2.65.

In an exemplary embodiment, the optical imaging lens of the present application may satisfy the conditional expression 6.0 < f12/(CT1+ CT2) < 6.5. Where f12 is a combined focal length of the first lens and the second lens, CT1 is a central thickness of the first lens on the optical axis, and CT2 is a central thickness of the second lens on the optical axis. More specifically, f12, CT1, and CT2 may satisfy 6.02 < f12/(CT1+ CT2) < 6.18. By matching the respective center thicknesses of the first lens and the second lens and the combined focal length of the first lens and the second lens, the sensitivity of the first lens and the second lens is favorably reduced, and chromatic aberration and astigmatism of the optical imaging lens are favorably corrected.

In an exemplary embodiment, referring to fig. 1, the optical imaging lens of the present application may satisfy a conditional expression of 1.5mm < DW < 2.0mm, where DW is a window diameter of the optical imaging lens, DW may be calculated by a conditional expression of 2 × VP × tan (0.5 × FOV), where VP is an on-axis distance from an intersection point of a straight line where edge rays of the optical imaging lens are located and an optical axis to an object-side surface S1 of the first lens E1, and FOV is a maximum field angle of the optical imaging lens.

In an exemplary embodiment, the optical imaging lens of the present application may satisfy the conditional expression 0.7 < SAG52/SAG51 < 0.9, where SAG51 is an on-axis distance from an intersection of an object-side surface of the fifth lens and the optical axis to an effective radius vertex of the object-side surface of the fifth lens, and SAG52 is an on-axis distance from an intersection of an image-side surface of the fifth lens and the optical axis to an effective radius vertex of the image-side surface of the fifth lens. More specifically, SAG51 and SAG52 may satisfy 0.76 < SAG52/SAG51 < 0.89. By controlling the rise ratio of the two side surfaces of the fifth lens, the surface shape of the fifth lens can be better controlled, the bending degree of the fifth lens is reduced, the manufacturability of the fifth lens during molding is further improved, and in addition, the local blurring condition of the optical imaging lens can be improved.

In an exemplary embodiment, the optical imaging lens may further include at least one diaphragm. The stop may be disposed at an appropriate position as needed, for example, between the object side and the first lens. Optionally, the optical imaging lens may further include a filter for correcting color deviation and/or a protective glass for protecting a photosensitive element on the imaging surface.

The optical imaging lens according to the above-described embodiment of the present application may employ a plurality of lenses, for example, five lenses as described above. By reasonably distributing the focal power, the surface type, the central thickness of each lens, the on-axis distance between each lens and the like, the volume of the imaging lens can be effectively reduced, the sensitivity of the imaging lens can be reduced, and the machinability of the imaging lens can be improved, so that the optical imaging lens is more beneficial to production and processing and can be suitable for portable electronic products. Simultaneously, the optical imaging lens of this application still possesses head size little, the good, high good optical properties such as image quality of manufacturability.

In the embodiment of the present application, at least one of the mirror surfaces of each lens is an aspherical mirror surface, that is, at least one of the object-side surface of the first lens to the image-side surface of the fifth lens is an aspherical mirror surface. The aspheric lens is characterized in that: the curvature varies continuously from the center of the lens to the periphery of the lens. Unlike a spherical lens having a constant curvature from the center of the lens to the periphery of the lens, an aspherical lens has better curvature radius characteristics, and has advantages of improving distortion aberration and improving astigmatic aberration. After the aspheric lens is adopted, the aberration generated during imaging can be eliminated as much as possible, thereby improving the imaging quality. Optionally, at least one of an object-side surface and an image-side surface of each of the first lens, the second lens, the third lens, the fourth lens, and the fifth lens is an aspheric mirror surface. Optionally, each of the first, second, third, fourth, and fifth lenses has an object-side surface and an image-side surface that are aspheric mirror surfaces.

However, it will be appreciated by those skilled in the art that the number of lenses constituting an optical imaging lens may be varied to achieve the various results and advantages described in the present specification without departing from the claimed subject matter. For example, although five lenses are exemplified in the embodiment, the optical imaging lens is not limited to include five lenses. The optical imaging lens may also include other numbers of lenses, if desired.

Specific examples of an optical imaging lens applicable to the above-described embodiments are further described below with reference to the drawings.

Example 1

An optical imaging lens according to embodiment 1 of the present application is described below with reference to fig. 2 to 3D. Fig. 2 shows a schematic structural diagram of an optical imaging lens according to embodiment 1 of the present application.

As shown in fig. 2, the optical imaging lens, in order from an object side to an image side along an optical axis, comprises: a stop STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a filter E6.

The first lens element E1 has positive power, and has a convex object-side surface S1 and a concave image-side surface S2. The second lens element E2 has negative power, and has a convex object-side surface S3 and a concave image-side surface S4. The third lens element E3 has positive power, and has a convex object-side surface S5 and a convex image-side surface S6. The fourth lens element E4 has positive power, and has a concave object-side surface S7 and a convex image-side surface S8. The fifth lens element E5 has negative power, and has a concave object-side surface S9 and a concave image-side surface S10. Filter E6 has an object side S11 and an image side S12. The optical imaging lens has an imaging surface S13, and light from the object passes through the respective surfaces S1 to S18 in order and is finally imaged on the imaging surface S13.

Table 1 shows a basic parameter table of the optical imaging lens of embodiment 1, in which the units of the radius of curvature, the thickness/distance, and the focal length are all millimeters (mm).

TABLE 1

In embodiment 1, the value of the total effective focal length f of the optical imaging lens is 3.76mm, the value of the on-axis distance TT L from the object side surface S1 of the first lens E1 to the imaging surface S13 is 4.35mm, and the value of ImgH, which is half the diagonal length of the effective pixel area on the imaging surface S13, is 3.48 mm.

In embodiment 1, the object-side surface and the image-side surface of any one of the first lens E1 to the fifth lens E5 are 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 direction; c is the paraxial curvature of the aspheric surface, c being 1/R (i.e., paraxial curvature c is the inverse of radius of curvature R in table 1 above); k is a conic coefficient; ai is the correction coefficient of the i-th order of the aspherical surface. Table 2 below shows the high-order term coefficients A that can be used for the aspherical mirror surfaces S1 to S10 in example 1₄、A₆、A₈、A₁₀、A₁₂、A₁₄、A₁₆、A₁₈And A₂₀。

TABLE 2

Fig. 3A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 1, which represents the convergent focus deviation of light rays of different wavelengths after passing through the lens. Fig. 3B shows an astigmatism curve representing a meridional field curvature and a sagittal field curvature of the optical imaging lens of embodiment 1. Fig. 3C shows a distortion curve of the optical imaging lens of embodiment 1, which represents distortion magnitude values corresponding to different image heights. Fig. 3D shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 1, which represents a deviation of different image heights on the imaging plane after light passes through the lens. As can be seen from fig. 3A to 3D, the optical imaging lens according to embodiment 1 can achieve good imaging quality.

Example 2

An optical imaging lens according to embodiment 2 of the present application is described below with reference to fig. 4 to 5D. In this embodiment and the following embodiments, descriptions of parts similar to those of embodiment 1 will be omitted for the sake of brevity. Fig. 4 shows a schematic structural diagram of an optical imaging lens according to embodiment 2 of the present application.

As shown in fig. 4, the optical imaging lens, in order from an object side to an image side along an optical axis, comprises: a stop STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a filter E6.

The first lens element E1 has positive power, and has a convex object-side surface S1 and a concave image-side surface S2. The second lens element E2 has negative power, and has a convex object-side surface S3 and a concave image-side surface S4. The third lens element E3 has positive power, and has a concave object-side surface S5 and a convex image-side surface S6. The fourth lens element E4 has positive power, and has a concave object-side surface S7 and a convex image-side surface S8. The fifth lens element E5 has negative power, and has a convex object-side surface S9 and a concave image-side surface S10. Filter E6 has an object side S11 and an image side S12. The optical imaging lens has an imaging surface S13, and light from the object passes through the respective surfaces S1 to S18 in order and is finally imaged on the imaging surface S13.

In embodiment 2, the value of the total effective focal length f of the optical imaging lens is 3.76mm, the value of the on-axis distance TT L from the object side surface S1 of the first lens E1 to the imaging surface S13 is 4.35mm, and the value of ImgH, which is half the diagonal length of the effective pixel area on the imaging surface S13, is 3.53 mm.

Table 3 shows a basic parameter table of the optical imaging lens of embodiment 2, in which the units of the radius of curvature, the thickness/distance, and the focal length are all millimeters (mm). Table 4 shows high-order term coefficients that can be used for each aspherical mirror surface in example 2, wherein each aspherical mirror surface type can be defined by formula (1) given in example 1 above.

TABLE 3

Flour mark

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.4224E-02

1.6575E-01

-1.3783E+00

7.1757E+00

-2.2565E+01

4.3921E+01

-5.1983E+01

3.4309E+01

-9.7283E+00

S2

-2.4927E-01

-2.4999E-01

7.6261E+00

-4.7305E+01

1.8591E+02

-4.7118E+02

7.1333E+02

-5.7906E+02

1.9299E+02

S3

-2.6958E-01

-1.6742E-01

8.7503E+00

-5.3929E+01

2.0234E+02

-4.8975E+02

7.1832E+02

-5.7136E+02

1.8786E+02

S4

-1.2528E-01

7.6095E-01

-4.7565E+00

3.0153E+01

-1.2674E+02

3.2819E+02

-5.1131E+02

4.4205E+02

-1.6300E+02

S5

-3.5327E-01

1.4224E+00

-1.3840E+01

8.2402E+01

-3.1141E+02

7.3952E+02

-1.0705E+03

8.6059E+02

-2.9337E+02

S6

-2.5811E-01

6.2810E-01

-4.3378E+00

1.7974E+01

-4.6988E+01

7.7256E+01

-7.7492E+01

4.3291E+01

-1.0236E+01

S7

-3.6490E-02

6.1514E-02

-5.4069E-01

1.2567E+00

-1.5639E+00

1.1551E+00

-5.0983E-01

1.2505E-01

-1.3140E-02

S8

-1.9666E-01

3.0469E-01

-5.5365E-01

6.8527E-01

-5.0362E-01

2.2562E-01

-6.1320E-02

9.3460E-03

-6.1000E-04

S9

-3.8558E-01

1.8150E-01

1.4814E-02

-4.3710E-02

1.8867E-02

-4.2300E-03

5.4300E-04

-3.8000E-05

1.1300E-06

S10

-1.8300E-01

1.0002E-01

-2.9960E-02

3.3730E-03

7.5600E-04

-3.5000E-04

5.7700E-05

-4.5000E-06

1.4200E-07

TABLE 4

Fig. 5A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 2, which represents the convergent focus deviation of light rays of different wavelengths after passing through the lens. Fig. 5B shows an astigmatism curve representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 2. Fig. 5C shows a distortion curve of the optical imaging lens of embodiment 2, which represents distortion magnitude values corresponding to different image heights. Fig. 5D shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 2, which represents a deviation of different image heights on the imaging plane after light passes through the lens. As can be seen from fig. 5A to 5D, the optical imaging lens according to embodiment 2 can achieve good imaging quality.

Example 3

An optical imaging lens according to embodiment 3 of the present application is described below with reference to fig. 6 to 7D. Fig. 6 shows a schematic structural diagram of an optical imaging lens according to embodiment 3 of the present application.

As shown in fig. 6, the optical imaging lens, in order from an object side to an image side along an optical axis, comprises: a stop STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a filter E6.

The first lens element E1 has positive power, and has a convex object-side surface S1 and a concave image-side surface S2. The second lens element E2 has negative power, and has a convex object-side surface S3 and a concave image-side surface S4. The third lens element E3 has positive power, and has a concave object-side surface S5 and a convex image-side surface S6. The fourth lens element E4 has positive power, and has a concave object-side surface S7 and a convex image-side surface S8. The fifth lens element E5 has negative power, and has a concave object-side surface S9 and a concave image-side surface S10. Filter E6 has an object side S11 and an image side S12. The optical imaging lens has an imaging surface S13, and light from the object passes through the respective surfaces S1 to S18 in order and is finally imaged on the imaging surface S13.

In embodiment 3, the value of the total effective focal length f of the optical imaging lens is 3.76mm, the value of the on-axis distance TT L from the object side surface S1 of the first lens E1 to the imaging surface S13 is 4.32mm, and the value of ImgH, which is half the diagonal length of the effective pixel area on the imaging surface S13, is 3.54 mm.

Table 5 shows a basic parameter table of the optical imaging lens of embodiment 3, in which the units of the radius of curvature, the thickness/distance, and the focal length are all millimeters (mm). Table 6 shows high-order term coefficients that can be used for each aspherical mirror surface in example 3, wherein each aspherical mirror surface type can be defined by formula (1) given in example 1 above.

TABLE 5

Flour mark

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.7835E-02

1.0313E-01

-7.7317E-01

3.9133E+00

-1.1976E+01

2.2674E+01

-2.6143E+01

1.6835E+01

-4.6983E+00

S2

-2.3282E-01

2.2227E-02

3.2881E+00

-1.8342E+01

6.7372E+01

-1.7168E+02

2.6936E+02

-2.2818E+02

7.9275E+01

S3

-2.5403E-01

1.0151E-01

4.5478E+00

-2.6252E+01

9.1573E+01

-2.1547E+02

3.1789E+02

-2.5862E+02

8.7543E+01

S4

-1.1963E-01

8.6351E-01

-5.9977E+00

3.7781E+01

-1.5465E+02

3.9197E+02

-5.9991E+02

5.1050E+02

-1.8560E+02

S5

-3.4006E-01

1.2964E+00

-1.2866E+01

7.8338E+01

-3.0301E+02

7.3535E+02

-1.0865E+03

8.9103E+02

-3.0981E+02

S6

-2.6079E-01

6.4237E-01

-4.4040E+00

1.8346E+01

-4.8287E+01

7.9923E+01

-8.0694E+01

4.5408E+01

-1.0830E+01

S7

-5.4720E-02

5.6605E-02

-5.1573E-01

1.2322E+00

-1.5561E+00

1.1570E+00

-5.1183E-01

1.2571E-01

-1.3250E-02

S8

-2.2924E-01

3.6085E-01

-6.4938E-01

8.0308E-01

-5.9536E-01

2.6977E-01

-7.4060E-02

1.1370E-02

-7.5000E-04

S9

-3.9311E-01

1.8748E-01

1.9016E-02

-4.9020E-02

2.1157E-02

-4.7600E-03

6.1400E-04

-4.3000E-05

1.2900E-06

S10

-1.7244E-01

8.5024E-02

-1.7750E-02

-2.5500E-03

2.5600E-03

-7.0000E-04

9.8700E-05

-7.2000E-06

2.1700E-07

TABLE 6

Fig. 7A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 3, which represents the convergent focus deviation of light rays of different wavelengths after passing through the lens. Fig. 7B shows an astigmatism curve representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 3. Fig. 7C shows a distortion curve of the optical imaging lens of embodiment 3, which represents distortion magnitude values corresponding to different image heights. Fig. 7D shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 3, which represents the deviation of different image heights on the imaging plane after light passes through the lens. As can be seen from fig. 7A to 7D, the optical imaging lens according to embodiment 3 can achieve good imaging quality.

Example 4

An optical imaging lens according to embodiment 4 of the present application is described below with reference to fig. 8 to 9D. Fig. 8 shows a schematic structural diagram of an optical imaging lens according to embodiment 4 of the present application.

As shown in fig. 8, the optical imaging lens, in order from an object side to an image side along an optical axis, comprises: a stop STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a filter E6.

In embodiment 4, the value of the total effective focal length f of the optical imaging lens is 3.75mm, the value of the on-axis distance TT L from the object side surface S1 of the first lens E1 to the imaging surface S13 is 4.29mm, and the value of ImgH, which is half the diagonal length of the effective pixel area on the imaging surface S13, is 3.54 mm.

Table 7 shows a basic parameter table of the optical imaging lens of embodiment 4, in which the units of the radius of curvature, the thickness/distance, and the focal length are all millimeters (mm). Table 8 shows high-order term coefficients that can be used for each aspherical mirror surface in example 4, wherein each aspherical mirror surface type can be defined by formula (1) given in example 1 above.

TABLE 7

Flour mark

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

2.0504E-02

7.4807E-02

-5.0764E-01

2.5746E+00

-7.7686E+00

1.4240E+01

-1.5617E+01

9.3502E+00

-2.4040E+00

S2

-2.5420E-01

3.7943E-01

-3.2133E-01

3.3133E+00

-1.2402E+01

1.1866E+01

1.3686E+01

-3.2768E+01

1.6854E+01

S3

-2.8467E-01

3.8075E-01

2.4821E+00

-1.5030E+01

5.1976E+01

-1.2598E+02

1.9413E+02

-1.6479E+02

5.8067E+01

S4

-1.3355E-01

9.4571E-01

-6.7164E+00

4.4826E+01

-1.9239E+02

5.0731E+02

-8.0289E+02

7.0288E+02

-2.6175E+02

S5

-3.5663E-01

1.3012E+00

-1.3121E+01

8.1820E+01

-3.2528E+02

8.1270E+02

-1.2368E+03

1.0453E+03

-3.7476E+02

S6

-2.7591E-01

7.0748E-01

-4.9507E+00

2.1043E+01

-5.6487E+01

9.5491E+01

-9.8565E+01

5.6795E+01

-1.3910E+01

S7

-7.6220E-02

1.4288E-01

-8.9318E-01

2.0891E+00

-2.6997E+00

2.0854E+00

-9.6047E-01

2.4464E-01

-2.6600E-02

S8

-2.6903E-01

4.6974E-01

-8.8125E-01

1.1238E+00

-8.6631E-01

4.1029E-01

-1.1795E-01

1.8961E-02

-1.3100E-03

S9

-4.0789E-01

2.1670E-01

1.4000E-03

-4.5960E-02

2.1945E-02

-5.2100E-03

6.9800E-04

-5.1000E-05

1.5500E-06

S10

-1.8482E-01

1.0131E-01

-2.8530E-02

1.7190E-03

1.5060E-03

-5.4000E-04

8.3800E-05

-6.5000E-06

2.0000E-07

TABLE 8

Fig. 9A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 4, which represents the convergent focus deviation of light rays of different wavelengths after passing through the lens. Fig. 9B shows an astigmatism curve representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 4. Fig. 9C shows a distortion curve of the optical imaging lens of embodiment 4, which represents distortion magnitude values corresponding to different image heights. Fig. 9D shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 4, which represents a deviation of different image heights on the imaging plane after light passes through the lens. As can be seen from fig. 9A to 9D, the optical imaging lens according to embodiment 4 can achieve good imaging quality.

Example 5

An optical imaging lens according to embodiment 5 of the present application is described below with reference to fig. 10 to 11D. Fig. 10 shows a schematic structural diagram of an optical imaging lens according to embodiment 5 of the present application.

As shown in fig. 10, the optical imaging lens, in order from an object side to an image side along an optical axis, comprises: a stop STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a filter E6.

In embodiment 5, the value of the total effective focal length f of the optical imaging lens is 3.75mm, the value of the on-axis distance TT L from the object side surface S1 of the first lens E1 to the imaging surface S13 is 4.29mm, and the value of ImgH, which is half the diagonal length of the effective pixel area on the imaging surface S13, is 3.54 mm.

Table 9 shows a basic parameter table of the optical imaging lens of embodiment 5, in which the units of the radius of curvature, the thickness/distance, and the focal length are all millimeters (mm). Table 10 shows high-order term coefficients that can be used for each aspherical mirror surface in example 5, wherein each aspherical mirror surface type can be defined by formula (1) given in example 1 above.

TABLE 9

Flour mark

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

2.0707E-02

8.2572E-02

-5.9867E-01

3.1063E+00

-9.5526E+00

1.7802E+01

-1.9792E+01

1.1979E+01

-3.0902E+00

S2

-2.5380E-01

3.0565E-01

4.6676E-01

-1.0890E+00

1.7521E+00

-1.4328E+01

4.1035E+01

-4.7875E+01

2.0391E+01

S3

-2.8407E-01

2.9331E-01

3.4027E+00

-2.0128E+01

6.8916E+01

-1.6003E+02

2.3517E+02

-1.9270E+02

6.6493E+01

S4

-1.3603E-01

9.6318E-01

-6.8874E+00

4.6135E+01

-1.9857E+02

5.2541E+02

-8.3498E+02

7.3444E+02

-2.7496E+02

S5

-3.5776E-01

1.3225E+00

-1.3560E+01

8.5639E+01

-3.4397E+02

8.6686E+02

-1.3292E+03

1.1311E+03

-4.0808E+02

S6

-2.7944E-01

7.5341E-01

-5.2853E+00

2.2480E+01

-6.0393E+01

1.0224E+02

-1.0575E+02

6.1110E+01

-1.5022E+01

S7

-8.3440E-02

1.3805E-01

-8.3191E-01

1.9550E+00

-2.5536E+00

1.9972E+00

-9.3251E-01

2.4125E-01

-2.6710E-02

S8

-2.7909E-01

4.7649E-01

-8.6258E-01

1.0898E+00

-8.4109E-01

4.0047E-01

-1.1606E-01

1.8851E-02

-1.3200E-03

S9

-4.1943E-01

2.5619E-01

-3.9350E-02

-2.3980E-02

1.4843E-02

-3.7800E-03

5.2200E-04

-3.8000E-05

1.1800E-06

S10

-1.7799E-01

9.8454E-02

-2.8280E-02

1.9930E-03

1.3600E-03

-5.0000E-04

7.9100E-05

-6.1000E-06

1.9100E-07

Watch 10

Fig. 11A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 5, which represents the convergent focus deviation of light rays of different wavelengths after passing through the lens. Fig. 11B shows an astigmatism curve representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 5. Fig. 11C shows a distortion curve of the optical imaging lens of embodiment 5, which represents distortion magnitude values corresponding to different image heights. Fig. 11D shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 5, which represents a deviation of different image heights on the imaging surface after light passes through the lens. As can be seen from fig. 11A to 11D, the optical imaging lens according to embodiment 5 can achieve good imaging quality.

Example 6

An optical imaging lens according to embodiment 6 of the present application is described below with reference to fig. 12 to 13D. Fig. 12 is a schematic structural view showing an optical imaging lens according to embodiment 6 of the present application.

As shown in fig. 12, the optical imaging lens, in order from an object side to an image side along an optical axis, comprises: a stop STO, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a filter E6.

The first lens element E1 has positive power, and has a convex object-side surface S1 and a concave image-side surface S2. The second lens element E2 has negative power, and has a convex object-side surface S3 and a concave image-side surface S4. The third lens element E3 has positive power, and has a convex object-side surface S5 and a concave image-side surface S6. The fourth lens element E4 has positive power, and has a convex object-side surface S7 and a convex image-side surface S8. The fifth lens element E5 has negative power, and has a concave object-side surface S9 and a concave image-side surface S10. Filter E6 has an object side S11 and an image side S12. The optical imaging lens has an imaging surface S13, and light from the object passes through the respective surfaces S1 to S18 in order and is finally imaged on the imaging surface S13.

In embodiment 6, the value of the total effective focal length f of the optical imaging lens is 3.73mm, the value of the on-axis distance TT L from the object side surface S1 of the first lens E1 to the imaging surface S13 is 4.35mm, and the value of ImgH, which is half the diagonal length of the effective pixel area on the imaging surface S13, is 3.48 mm.

Table 11 shows a basic parameter table of the optical imaging lens of embodiment 6, in which the units of the radius of curvature, the thickness/distance, and the focal length are all millimeters (mm). Table 12 shows high-order term coefficients that can be used for each aspherical mirror surface in example 6, wherein each aspherical mirror surface type can be defined by formula (1) given in example 1 above.

TABLE 11

TABLE 12

Fig. 13A shows an on-axis chromatic aberration curve of the optical imaging lens of embodiment 6, which represents the convergent focus deviation of light rays of different wavelengths after passing through the lens. Fig. 13B shows an astigmatism curve representing meridional field curvature and sagittal field curvature of the optical imaging lens of embodiment 6. Fig. 13C shows a distortion curve of the optical imaging lens of embodiment 6, which represents distortion magnitude values corresponding to different image heights. Fig. 13D shows a chromatic aberration of magnification curve of the optical imaging lens of embodiment 6, which represents a deviation of different image heights on the imaging surface after light passes through the lens. As can be seen from fig. 13A to 13D, the optical imaging lens according to embodiment 6 can achieve good imaging quality.

In summary, examples 1 to 6 each satisfy the relationship shown in table 13.

Conditional expression (A) example	1	2	3	4	5	6
							VP(mm)	1.06	1.06	1.06	1.05	1.04	1.10
f4/f1	1.15	1.13	1.26	1.31	1.31	1.24
							(f5-f2)/f	1.72	1.76	1.74	1.73	1.73	1.48
TTL/ImgH	1.25	1.23	1.22	1.21	1.21	1.25
							FOV(°)	84.0	85.0	85.2	85.3	85.2	84.1
EPD/ImgH	0.51	0.50	0.50	0.49	0.49	0.52
							(R3+R4)/(R1+R2)	1.98	2.06	2.25	2.52	2.53	2.20
(R10-R8)/f	0.89	0.88	0.96	0.91	0.90	1.03
							(T34+CT4)/(T45+CT5)	1.17	1.22	1.10	1.07	1.06	1.08
10×DT11/ImgH	2.54	2.50	2.50	2.49	2.47	2.63
							f12/(CT1+CT2)	6.10	6.15	6.04	6.11	6.14	6.06
SAG52/SAG51	0.77	0.82	0.85	0.86	0.86	0.88
							DW(mm)	1.92	1.95	1.95	1.94	1.91	1.98

Watch 13

The present application also provides an imaging Device, which is provided with an electron sensing element to form an image, wherein the electron sensing element may be a Charge Coupled Device (CCD) or a Complementary Metal Oxide Semiconductor (CMOS). The imaging device may be a stand-alone imaging device such as a digital camera, or may be an imaging module integrated on a mobile electronic device such as a mobile phone. The imaging device is equipped with the optical imaging lens described above.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of protection covered by the present application is not limited to the embodiments with a specific combination of the features described above, but also covers other embodiments with any combination of the features described above or their equivalents without departing from the scope of the present application. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. The optical imaging lens assembly, in order from an object side to an image side along an optical axis, comprises:

the first lens with positive focal power has a convex object-side surface and a concave image-side surface;

a second lens having a negative optical power;

a third lens having optical power;

a fourth lens having a positive optical power; and

a fifth lens having a negative optical power;

the distance VP between the intersection point of the straight line where the marginal ray of the optical imaging lens is located and the optical axis and the axis of the object side surface of the first lens meets the requirement that VP is more than 0mm and less than 1.5 mm.

2. The optical imaging lens of claim 1, wherein the effective focal length f4 of the fourth lens and the effective focal length f1 of the first lens satisfy 1.0 < f4/f1 < 1.4.

3. The optical imaging lens of claim 1, wherein the effective focal length f2 of the second lens, the effective focal length f5 of the fifth lens, and the total effective focal length f of the optical imaging lens satisfy 1.4 < (f5-f2)/f < 1.8.

4. The optical imaging lens of claim 1, wherein a distance TT L between an object side surface of the first lens and an imaging surface of the optical imaging lens on the optical axis and a half ImgH of a diagonal length of an effective pixel area on the imaging surface satisfy TT L/ImgH < 1.3.

5. The optical imaging lens according to claim 1, characterized in that a maximum field angle FOV of the optical imaging lens satisfies 82 ° < FOV < 87 °.

6. The optical imaging lens of claim 1, wherein the entrance pupil diameter EPD of the optical imaging lens and the half of the diagonal ImgH of the effective pixel area on the imaging surface of the optical imaging lens satisfy 0.4 < EPD/ImgH < 0.6.

7. The optical imaging lens of claim 1, wherein the radius of curvature of the object-side surface of the first lens R1, the radius of curvature of the image-side surface of the first lens R2, the radius of curvature of the object-side surface of the second lens R3, and the radius of curvature of the image-side surface of the second lens R4 satisfy 1.9 < (R3+ R4)/(R1+ R2) < 2.6.

8. The optical imaging lens of claim 1, wherein the total effective focal length f of the optical imaging lens, the radius of curvature R8 of the image-side surface of the fourth lens and the radius of curvature R10 of the image-side surface of the fifth lens satisfy 0.7 < (R10-R8)/f < 1.2.

9. The optical imaging lens according to claim 1, wherein a separation distance T34 on the optical axis of the third lens and the fourth lens, a center thickness CT4 on the optical axis of the fourth lens, a separation distance T45 on the optical axis of the fourth lens and the fifth lens, and a center thickness CT5 on the optical axis of the fifth lens satisfy 1.0 < (T34+ CT4)/(T45+ CT5) < 1.3.

10. The optical imaging lens of claim 1, wherein an effective half aperture DT11 of the object side surface of the first lens and a half ImgH of a diagonal length of an effective pixel area on an imaging surface of the optical imaging lens satisfy 2.3 < 10 × DT11/ImgH < 2.8.

11. The optical imaging lens according to claim 1, characterized in that a combined focal length f12 of the first lens and the second lens, a center thickness CT1 of the first mirror on the optical axis, and a center thickness CT2 of the second lens on the optical axis satisfy 6.0 < f12/(CT1+ CT2) < 6.5.

12. The optical imaging lens of claim 1, wherein the window diameter DW of the optical imaging lens satisfies 1.5mm < DW < 2.0 mm.

13. The optical imaging lens according to any one of claims 1 to 12, wherein an on-axis distance from an intersection point of an object-side surface of the fifth lens and the optical axis to an effective radius vertex of the object-side surface of the fifth lens, SAG51, and an on-axis distance from an intersection point of an image-side surface of the fifth lens and the optical axis to an effective radius vertex of an image-side surface of the fifth lens, SAG52 satisfy 0.7 < SAG52/SAG51 < 0.9.

14. The optical imaging lens assembly, in order from an object side to an image side along an optical axis, comprises:

a second lens having a negative optical power;

a third lens having optical power;

a fourth lens having a positive optical power; and

a fifth lens having a negative optical power;

the window diameter DW of the optical imaging lens meets the condition that DW is more than 1.5mm and less than 2.0 mm.

15. The optical imaging lens of claim 14, wherein the effective focal length f4 of the fourth lens and the effective focal length f1 of the first lens satisfy 1.0 < f4/f1 < 1.4.

16. The optical imaging lens of claim 14, wherein the effective focal length f2 of the second lens, the effective focal length f5 of the fifth lens, and the total effective focal length f of the optical imaging lens satisfy 1.4 < (f5-f2)/f < 1.8.

17. The optical imaging lens of claim 14, wherein a distance TT L between an object side surface of the first lens and an imaging surface of the optical imaging lens on the optical axis and a half ImgH of a diagonal length of an effective pixel area on the imaging surface satisfy TT L/ImgH < 1.3.

18. The optical imaging lens of claim 14, wherein the maximum field angle FOV of the optical imaging lens satisfies 82 ° < FOV < 87 °.

19. The optical imaging lens of claim 14, wherein the entrance pupil diameter EPD of the optical imaging lens and the half of the diagonal ImgH of the effective pixel area on the imaging surface of the optical imaging lens satisfy 0.4 < EPD/ImgH < 0.6.

20. The optical imaging lens of claim 14, wherein the radius of curvature of the object-side surface of the first lens R1, the radius of curvature of the image-side surface of the first lens R2, the radius of curvature of the object-side surface of the second lens R3, and the radius of curvature of the image-side surface of the second lens R4 satisfy 1.9 < (R3+ R4)/(R1+ R2) < 2.6.

21. The optical imaging lens of claim 14, wherein the total effective focal length f of the optical imaging lens, the radius of curvature R8 of the image-side surface of the fourth lens and the radius of curvature R10 of the image-side surface of the fifth lens satisfy 0.7 < (R10-R8)/f < 1.2.

22. The optical imaging lens according to claim 14, wherein a separation distance T34 on the optical axis of the third lens and the fourth lens, a center thickness CT4 on the optical axis of the fourth lens, a separation distance T45 on the optical axis of the fourth lens and the fifth lens, and a center thickness CT5 on the optical axis of the fifth lens satisfy 1.0 < (T34+ CT4)/(T45+ CT5) < 1.3.

23. The optical imaging lens of claim 14, wherein an effective half aperture DT11 of the object side surface of the first lens and a half ImgH of a diagonal length of an effective pixel area on an imaging surface of the optical imaging lens satisfy 2.3 < 10 × DT11/ImgH < 2.8.

24. The optical imaging lens according to claim 14, wherein a combined focal length f12 of the first lens and the second lens, a center thickness CT1 of the first mirror on the optical axis, and a center thickness CT2 of the second lens on the optical axis satisfy 6.0 < f12/(CT1+ CT2) < 6.5.

25. The optical imaging lens according to claim 24, wherein an on-axis distance VP from an intersection point of a straight line of an edge ray of the optical imaging lens and the optical axis to an object side surface of the first lens satisfies 0mm < VP < 1.5 mm.

26. The optical imaging lens according to any one of claims 14 to 25, wherein an on-axis distance from an intersection point of an object-side surface of the fifth lens and the optical axis to an effective radius vertex of the object-side surface of the fifth lens, SAG51, and an on-axis distance from an intersection point of an image-side surface of the fifth lens and the optical axis to an effective radius vertex of an image-side surface of the fifth lens, SAG52 satisfy 0.7 < SAG52/SAG51 < 0.9.