Patent ID: 12197032

DETAILED DESCRIPTION OF EMBODIMENTS

For a better understanding of the present disclosure, various aspects of the present disclosure will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely an illustration for the exemplary implementations of the present disclosure rather than a limitation to the scope of the present disclosure in any way. Throughout the specification, the same reference numerals designate the same elements. The expression “and/or” includes any and all combinations of one or more of the associated listed items.

It should be noted that in the specification, the expressions, such as “first,” “second” and “third” are only used to distinguish one feature from another, rather than represent any limitations to 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 disclosure.

In the accompanying drawings, the thicknesses, sizes and shapes of the lenses have been slightly exaggerated for the convenience of explanation. Specifically, shapes of spherical surfaces or aspheric surfaces shown in the accompanying drawings are shown by examples. That is, the shapes of the spherical surfaces or the aspheric surfaces are not limited to the shapes of the spherical surfaces or the aspheric surfaces shown in the accompanying drawings. The accompanying drawings are merely illustrative and not strictly drawn to scale.

Herein, the paraxial area refers to an area near the optical axis. If the surface of a lens is a convex surface and the position of the convex surface is not defined, it indicates that the surface of the lens is a convex surface at least in the paraxial area; and if the surface of a lens is a concave surface and the position of the concave surface is not defined, it indicates that the surface of the lens is a concave surface at least in the paraxial area. The surface closest to the object in each lens is referred to as the object-side surface, and the surface closest to the image plane in each lens is referred to as the image-side surface.

It should be further understood that the terms “comprising,” “including,” “having,” “containing” and/or “contain,” when used in the specification, specify the presence of stated features, elements and/or components, but do not exclude the presence or addition of one or more other features, elements, components and/or combinations thereof. In addition, expressions, such as “at least one of,” when preceding a list of features, modify the entire list of features rather than an individual element in the list. Further, the use of “may,” when describing embodiments of the present disclosure, refers to “one or more embodiments of the present disclosure.” 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 those of ordinary skill in the art to which the present disclosure belongs. It should be further understood that terms (i.e., 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 also be noted that the embodiments in the present disclosure and the features in the embodiments may be combined with each other on a non-conflict basis. The present disclosure will be described below in detail with reference to the accompanying drawings and in combination with the embodiments.

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

The optical imaging lens assembly according to exemplary implementations of the present disclosure may include an autofocus assembly and at least five lenses having refractive power. The at least five lenses having refractive power are a first lens, a second lens, a third lens, a fourth lens and at least one subsequent lens, respectively. The first lens, the autofocus assembly, the second lens, the third lens, the fourth lens and the at least one subsequent lens are sequentially arranged from the object side to the image side along the optical axis. There may be a spaced interval between the first lens and the autofocus assembly. There may be a spaced interval between the autofocus assembly and the second lens. There may be a spaced interval in any two adjacent lenses from the second lens to a lens closest to the image side.

According to an exemplary implementation of the present disclosure, the autofocus assembly may sequentially include a flexible film, a liquid material, and a light-transmitting module from the first lens to the second lens along the optical axis. The flexible film may be arranged on an object-side surface of the liquid material. An image-side surface of the liquid material may be glued to the light-transmitting module. Here, the light-transmitting module may be a flat glass plate.

According to an exemplary implementation of the present disclosure, a radius of curvature of an object-side surface of the autofocus assembly is variable, that is, the shape of the flexible film and the object-side surface of the liquid material are variable. The radius of curvature of the object-side surface of the autofocus assembly may be changed with the change of a distance between the optical imaging lens assembly and the object, so as to realize the autofocus function of the optical imaging lens assembly.

According to an exemplary implementation of the present disclosure, the autofocus assembly includes: the flexible film, the liquid material, and the light-transmitting module.FIG.31Ashows a schematic structural diagram of the autofocus assembly in the present disclosure. The autofocus assembly includes a flexible film T1, a liquid material T2, and a light-transmitting module T3, where the flexible film T1 and the liquid material T2 are both plane structures.FIG.31Bshows a schematic structural diagram of another autofocus assembly in the present disclosure. The autofocus assembly includes a flexible film T1′, a liquid material T2′, and a light-transmitting module T3′, where the flexible film T1′ and the object-side surface of the liquid material T2′ are deformed. Specifically, the liquid material T2′ may be disposed between the flexible film T1′ and the light-transmitting module T3′, and the liquid material T2′ may be connected to a conductive material (not shown). When an external voltage is applied to the conductive material, it may cause the object-side surface of the liquid material T2′ to deform, which in turn drives the flexible film T1′ to deform, and changes a focal length of the autofocus assembly. Therefore, the autofocus function of the lens assembly at different object distances may be realized without changing the total track length of the optical imaging lens assembly, thereby making the optical imaging lens assembly lighter and thinner. It should be understood that the liquid material in the present disclosure is not specifically limited to include only one material. In actual production, in order to reasonably adjust the total effective focal length of the optical imaging lens assembly, a variety of liquid materials, such as a first liquid material, or a second liquid material, may be disposed between the flexible film and the light-transmitting module according to specific needs. In addition, the first liquid material, the second liquid material, and the like are not compatible with each other. When a voltage is applied to the conductive material, the liquid material may be deformed, which in turn drives the flexible film and a contact surface type of the first liquid material and the second liquid material to change, so that the focal length of the autofocus assembly is changed, thereby adjusting the total effective focal length of the optical imaging lens assembly.

According to an exemplary implementation of the present disclosure, drive systems such as voice coil motors, micro-electromechanical systems, piezoelectric systems, and memory metals may be used to apply voltage to the conductive material. The drive system may adjust the focal length of the optical imaging lens assembly to make the optical imaging lens assembly have a good imaging position, so that the optical imaging lens assembly can clearly image at different distances from the object.

In an exemplary implementation, the first lens may have positive refractive power or negative refractive power; the second lens may have positive refractive power or negative refractive power, and an image-side surface of the second lens may be a concave surface; the third lens may have positive refractive power or negative refractive power, and an image-side surface of the third lens may be a convex surface; a fourth lens may have positive refractive power or negative refractive power, an object-side surface of the fourth lens may be a concave surface, and an image-side surface of the fourth lens may be a convex surface; and the at least one subsequent lens may have positive refractive power or negative refractive power. By reasonably distributing the refractive power and surface type characteristics of each lens, it is beneficial to reduce an overall aberration of the lens assembly and improve imaging quality. In particular, setting the image-side surface of the second lens as a concave surface and setting the image-side surface of the third lens as a convex surface may effectively reduce a spherical aberration of the entire lens assembly.

In an exemplary implementation, the optical imaging lens assembly according to the present disclosure may satisfy: 1.0<|f/R10|<5.5, where f is a total effective focal length of the optical imaging lens assembly, and R10 is a radius of curvature of an image-side surface of the fifth lens. Satisfying 1.0<|f/R10|<5.5 may reasonably distribute the total effective focal length of the lens assembly, and may control an overall third-order astigmatism of the lens assembly within a reasonable range, which is beneficial to improve the imaging quality of an off-axis field-of-view of the lens assembly.

In an exemplary implementation, the optical imaging lens assembly according to the present disclosure may satisfy: 1.5<f1/R1<2.5, where f1 is an effective focal length of the first lens, and R1 is a radius of curvature of an object-side surface of the first lens. More specifically, f1 and R1 may further satisfy: 1.6<f1/R1<2.4. Satisfying 1.5<f1/R1<2.5 may control a deflection angle of an edge field-of-view at the first lens, and may effectively reduce sensitivity of the lens assembly.

In an exemplary implementation, the optical imaging lens assembly according to the present disclosure may satisfy: 0.5<|R6/f3|<2.5, where R6 is a radius of curvature of the image-side surface of the third lens, and f3 is an effective focal length of the third lens. More specifically, R6 and f3 may further satisfy: 0.5<|R6/f3|<2.3. Satisfying 0.5<|R6/f3|<2.5 may effectively control the refractive power of the third lens, thereby controlling a spherical aberration of the third lens, so that the lens assembly has good imaging quality on the axis.

In an exemplary implementation, the optical imaging lens assembly according to the present disclosure may satisfy: −3.0<f4/R8<−2.0, where f4 is an effective focal length of the fourth lens, and R8 is a radius of curvature of the image-side surface of the fourth lens. More specifically, f4 and R8 may further satisfy: −2.8<f4/R8<−2.0. Satisfying −3.0<f4/R8<−2.0 may control a third-order coma of the fourth lens within a reasonable range, which is beneficial to balance the amount of coma generated by a front lens, so that the lens assembly has good imaging quality.

In an exemplary implementation, the optical imaging lens assembly according to the present disclosure may satisfy: 1.0<CT1/D<2.0, where CT1 is a center thickness of the first lens on the optical axis, and D is a center thickness of the autofocus assembly on the optical axis. More specifically, CT1 and D may further satisfy: 1.0<CT1/D<1.7. Satisfying 1.0<CT1/D<2.0 may effectively ensure the processing manufacturability of the first lens and the autofocus assembly, thereby making it more suitable for the molding characteristics of plastic lenses, and achieving stability of production and assembly.

In an exemplary implementation, the optical imaging lens assembly according to the present disclosure may satisfy: 1.5<D/T1-T<6.0, where D is a center thickness of the autofocus assembly on the optical axis, and T1-Tis a spaced interval between the first lens and the autofocus assembly on the optical axis. More specifically, D and T1-Tmay further satisfy: 1.6<D/T1-T<5.9. Satisfying 1.5<D/T1-T<6.0 is helpful to ensure that the autofocus assembly has enough space to adjust its curvature, thereby realizing the autofocus function of the lens assembly.

In an exemplary implementation, the optical imaging lens assembly according to the present disclosure may satisfy: 1.0<T34/CT5<3.5, where CT5 is a center thickness of the fifth lens on the optical axis, and T34 is a spaced interval between the third lens and the fourth lens on the optical axis. More specifically, T34 and CT5 may further satisfy: 1.3<T34/CT5<3.5. Satisfying 1.0<T34/CT5<3.5 is contribute to the uniform distribution of the size of each lens, which not only helps ensure the assembly stability of the lens assembly, but also helps reduce the overall aberration of the lens assembly and shorten the total length of the imaging lens assembly.

In an exemplary implementation, the optical imaging lens assembly according to the present disclosure may satisfy: 2.0<CT4/CT2<5.0, where CT4 is a center thickness of the fourth lens on the optical axis, and CT2 is a center thickness of the second lens on the optical axis. More specifically, CT4 and CT2 may further satisfy: 2.3<CT4/CT2<5.0. Satisfying 2.0<CT4/CT2<5.0 is beneficial to control the distortion contribution of each field-of-view of the optical imaging lens assembly within a reasonable range, so as to improve the imaging quality of the optical imaging lens assembly.

In an exemplary implementation, the optical imaging lens assembly according to the present disclosure may satisfy: Semi-FOV>25°, where Semi-FOV is half of a maximum field-of-view of the optical imaging lens assembly. More specifically, Semi-FOV may further satisfy: Semi-FOV>27°. Satisfying Semi-FOV>25° is beneficial to enable the optical imaging lens assembly to obtain a large field-of-view range, and to improve the ability of the optical imaging lens assembly to capture object information.

In an exemplary implementation, the optical imaging lens assembly according to the present disclosure may satisfy: 1.5<TTL/ImgH<2.1, where TTL is a distance from the object-side surface of the first lens to an imaging plane of the optical imaging lens assembly on the optical axis, and ImgH is half of a diagonal length of an effective pixel area on the imaging plane of the optical imaging lens assembly. More specifically, TTL and ImgH may further satisfy: 1.7<TTL/ImgH<2.1. Satisfying 1.5<TTL/ImgH<2.1 may reduce an overall length of the lens assembly as much as possible while ensuring a large imaging plane, ensuring that the optical imaging lens assembly has an ultra-thin effect.

In an exemplary implementation, the optical imaging lens assembly according to the present disclosure further includes a diaphragm provided between the object side and the first lens. Alternatively, the optical imaging lens assembly may further include an optical filter/protective glass for protecting a photosensitive element on the imaging plane. The present disclosure proposes an optical imaging lens assembly having characteristics such as miniaturization, ultra-thin, autofocus, stable image quality, and high imaging quality. The optical imaging lens assembly according to the above implementations of the present disclosure may employ a plurality of lenses, such as five lenses as described above. By reasonably distributing the refractive power of each lens, the surface shape, the center thickness of each lens and the spaced intervals along the optical axis between the lenses, it may effectively converge incident light, reduce the total track length of the imaging lens assembly and improve the processability of the imaging system, making the optical imaging lens assembly more conducive to production and processing.

In the implementations of the present disclosure, at least one of the surfaces of the lenses is an aspheric surface, that is, at least one of the surfaces from the object-side surface of the first lens to an image-side surface of the lens closest to the image side is an aspheric surface. The characteristic of the aspheric lens is: the curvature is continuously changing from the center of the lens to the periphery of the lens. Unlike the spherical lens with a constant curvature from the center of the lens to the periphery, the aspheric lens has a better radius of curvature characteristic, having advantages of improving the distortion aberration and improving the astigmatic aberration. The use of the aspheric lens can eliminate as much as possible the aberrations that occur during the imaging, thereby improving the imaging quality. Alternatively, at least one of the object-side surface and the image-side surface of each of the first lens, the second lens, the third lens, the fourth lens and the at least one subsequent lens is an aspheric surface. Alternatively, the object-side surface and the image-side surface of each of the first lens, the second lens, the third lens, the fourth lens and the at least one subsequent lens are aspheric surfaces.

However, it should be understood by those skilled in the art that the various results and advantages described in the present specification may be obtained by changing the number of the lenses constituting the optical imaging lens assembly without departing from the technical solution claimed by the present disclosure. For example, although the optical imaging lens assembly having five lenses or six lenses is described as an example in the implementations, the optical imaging lens assembly is not limited to include five lenses or six lenses. If desired, the optical imaging lens assembly may also include other numbers of lenses.

Specific examples of the optical imaging lens assembly that may be applied to the above implementations are further described below with reference to the accompanying drawings.

Example 1

An optical imaging lens assembly according to Example 1 of the present disclosure is described below with reference toFIGS.1-5B.FIG.1is a schematic structural diagram illustrating the optical imaging lens assembly according to Example 1 of the present disclosure.

As shown inFIG.1, the optical imaging lens assembly from an object side to an image side sequentially includes: a diaphragm STO, a first lens E1, an autofocus assembly T (including a flexible film, a liquid material and a light-transmitting module), a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, an optical filter E6 and an imaging plane S13.

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

Table 1 is a table illustrating basic parameters of the optical imaging lens assembly of Example 1, where the units for the radius of curvature, the thickness/distance and the focal length are millimeter (mm).

TABLE 1MaterialSurfaceSurfaceRadius ofThickness/RefractiveAbbeConicnumbertypecurvatureDistanceindexnumberFocal lengthcoefficientOBJSphericalinfiniteD1STOSphericalinfinite−0.2147S1Aspheric1.72400.62141.5556.13.09−0.0920S2Aspheric−64.70150.153890.0000SphericalRT0.02001.5365.4Spherical0.26501.5529.9Sphericalinfinite0.10001.5264.2Sphericalinfinite0.1268S3Aspheric−2.57290.20001.6720.4−3.290.0164S4Aspheric15.43910.2119−90.0000S5Aspheric6.52950.49961.6423.56.7433.4694S6Aspheric−12.59480.6539−2.6492S7Aspheric−8.34490.55301.5556.13.04−1.2318S8Aspheric−1.41840.1845−0.9905S9Aspheric3.34330.28401.5455.8−2.380.0255S10Aspheric0.89560.3602−1.0120S11Sphericalinfinite0.21001.5264.2S12Sphericalinfinite0.7749S13Sphericalinfinite

In this example, an image-side surface of the liquid material and the light-transmitting module may be glued together. By changing the radius of curvature of a flexible film surface of the autofocus assembly T and the radius of curvature of the image-side surface of the liquid material, the total effective focal length of the optical imaging lens assembly may be changed with the change of a distance from the object, thereby realizing the autofocus function of the optical imaging lens assembly. Specifically, when the distance D1 between the optical imaging lens assembly and the object is 350 mm, the object-side surface of the autofocus assembly T (i.e., the flexible film surface and the object-side surface of the liquid material) is a plane surface, and the radius of curvature RT is infinite. When the distance D1 between the optical imaging lens assembly and the object is 150 mm, the object-side surface of the autofocus assembly T is a convex surface, and the radius of curvature RT is 113.3000. When the distance D1 between the optical imaging lens assembly and the object is infinite, the object-side surface of the autofocus assembly T is a concave surface, and the radius of curvature RT is −149.3000.

In this example, the total effective focal length f of the optical imaging lens assembly is 4.41 mm, the total track length TTL of the optical imaging lens assembly (that is, a distance from the object-side surface of the first lens E1 to the imaging plane S13 of the optical imaging lens assembly on the optical axis) is 5.22 mm, half of a diagonal length ImgH of an effective pixel area on the imaging plane S13 of the optical imaging lens assembly is 2.77 mm, half of a maximum field-of-view Semi-FOV of the optical imaging lens assembly is 30.8°, and an F number Fno of the optical imaging lens assembly is 2.48.

In Example 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. The surface shape x of each aspheric lens may be defined by using, but not limited to, the following aspheric formula:

x=c⁢h21+1-(k+1)⁢c2⁢h2+∑Aihi(1)

Where, x is the sag—the axis-component of the displacement of the surface from the aspheric vertex, when the surface is at height h from the optical axis; c is a paraxial curvature of the aspheric surface, c=1/R (that is, the paraxial curvature c is reciprocal of the radius of curvature R in the above Table 1); k is a conic coefficient; Ai is a correction coefficient for the i-th order of the aspheric surface. Table 2 below shows high-order coefficients A4, A6, A8, A10, A12, A14, A16, A18and A20applicable to each aspheric surface S1 to S10 in Example 1.

TABLE 2SurfacenumberA4A6A8A10A12A14A16S1−1.3089E−02−2.7990E−03−7.1141E−04−1.4275E−04−6.1907E−05−1.3867E−05−1.3420E−05S2−1.3369E−02−2.4340E−03−3.5705E−04−3.9589E−051.6406E−05−1.6993E−06−3.6749E−06S36.4401E−02−3.3983E−033.3118E−04−1.8862E−06−1.7211E−051.1256E−05−6.1193E−06S47.2645E−02−1.3253E−035.1880E−046.1225E−052.2677E−063.7380E−064.1329E−06S5−1.7764E−01−4.8914E−036.1061E−041.2512E−034.3865E−048.8331E−05−8.2530E−05S6−2.1906E−012.5607E−035.1107E−031.7362E−039.7586E−05−7.3711E−052.6148E−05S71.6337E−013.6633E−021.9395E−03−2.2001E−03−3.0904E−04−4.8554E−045.8402E−04S81.0312E+00−6.2618E−02−1.7775E−036.3172E−044.3076E−03−4.4127E−031.8752E−03S9−1.5950E+005.3580E−01−2.2167E−017.6890E−02−2.3302E−026.4064E−03−3.5760E−03S10−3.5675E+008.5467E−01−2.5371E−011.0023E−01−4.7411E−021.9792E−02−9.4283E−03SurfacenumberA18A20S14.2484E−065.6667E−06S2−1.5856E−05−1.4392E−05S33.8999E−06−3.5295E−06S4−5.7406E−07−1.3695E−06S5−1.6720E−04−1.7408E−04S65.6350E−055.9989E−05S7−3.4852E−047.6033E−05S8−6.4955E−044.2654E−04S91.0625E−034.4792E−04S105.0597E−03−1.7163E−03

FIG.2Aillustrates the longitudinal aberration curve of the optical imaging lens assembly according to Example 1, representing deviations of focal points converged by light of different wavelengths after passing through the lens assembly.FIG.2Billustrates the astigmatic curve of the optical imaging lens assembly according to Example 1, representing a curvature of a tangential plane and a curvature of a sagittal plane.FIG.2Cillustrates the distortion curve of the optical imaging lens assembly according to Example 1, representing the amounts of distortion corresponding to different image heights.FIG.2Dillustrates the lateral color curve of the optical imaging lens assembly according to Example 1, representing deviations of different image heights on an imaging plane after light passes through the lens assembly.FIG.3A,FIG.4AandFIG.5Arespectively illustrate focus shift curve diagrams of the optical imaging lens assembly in Example 1, when the distance from the object is 350 mm, 150 mm and infinite, within a waveband range of 470 nm to 650 nm of the optical imaging lens assembly, representing the pixel size of a tangential field-of-view and a sagittal field-of-view under different focal shifts (that is, a difference between the actual focal length and a theoretical focal length).FIG.3B,FIG.4BandFIG.5Brespectively illustrate MTF curve diagrams of the optical imaging lens assembly in Example 1, when the distance from the object is 350 mm, 150 mm and infinite, within a waveband range of 470 nm to 650 nm of the optical imaging lens assembly, representing the pixel size of a tangential field-of-view and a sagittal field-of-view at different frequencies. It can be seen fromFIG.2AtoFIG.5Bthat the optical imaging lens assembly provided in Example 1 can achieve good imaging quality.

Example 2

An optical imaging lens assembly according to Example 2 of the present disclosure is described below with reference toFIG.6toFIG.10B. In this example and the following examples, for the purpose of brevity, the description of parts similar to those in Example 1 will be omitted.FIG.6illustrates a schematic structural diagram of the optical imaging lens assembly according to Example 2 of the present disclosure.

As shown inFIG.6, the optical imaging lens assembly from an object side to an image side sequentially includes: a diaphragm STO, a first lens E1, an autofocus assembly T (including a flexible film, a liquid material, and a light-transmitting module), a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, an optical filter E6 and an imaging plane S13.

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

In this example, the total effective focal length f of the optical imaging lens assembly is 4.98 mm, the total track length TTL of the optical imaging lens assembly is 5.63 mm, half of a diagonal length ImgH of an effective pixel area on the imaging plane S13 of the optical imaging lens assembly is 2.77 mm, half of a maximum field-of-view Semi-FOV of the optical imaging lens assembly is 27.9°, and an F number Fno of the optical imaging lens assembly is 2.48.

Table 3 is a table illustrating basic parameters of the optical imaging lens assembly of Example 2, where the units for the radius of curvature, the thickness/distance and the focal length are millimeter (mm). Table 4 shows high-order coefficients applicable to each aspheric surface in Example 2, where the surface shape of each aspheric surface may be defined by the formula (1) given in the above Example 1.

TABLE 3MaterialSurfaceSurfaceRadius ofThickness/RefractiveAbbeConicnumbertypecurvatureDistanceindexnumberFocal lengthcoefficientOBJSphericalinfiniteD1STOSphericalinfinite−0.3192S1Aspheric1.68800.57631.5556.13.19−0.0090S2Aspheric50.00000.097890.0000SphericalRT0.02001.5365.4Spherical0.26501.5529.9Sphericalinfinite0.10001.5264.2Sphericalinfinite0.1628S3Aspheric−2.63830.20001.6720.4−3.74−0.0941S4Aspheric47.03760.3260−90.0000S5Aspheric10.16280.52131.6423.58.4232.6369S6Aspheric−11.41920.7207−8.1818S7Aspheric−5.25220.64191.5556.13.22−0.7915S8Aspheric−1.37250.2300−0.9473S9Aspheric3.26510.21321.5455.8−2.460.0000S10Aspheric0.91900.4672−1.0000S11Sphericalinfinite0.21001.5264.2S12Sphericalinfinite0.8825S13Sphericalinfinite

In this example, an image-side surface of the liquid material and the light-transmitting module may be glued together. By changing the radius of curvature of a flexible film surface of the autofocus assembly T and the radius of curvature of the image-side surface of the liquid material, the total effective focal length of the optical imaging lens assembly may be changed with the change of a distance from the object, thereby realizing the autofocus function of the optical imaging lens assembly. Specifically, when the distance D1 between the optical imaging lens assembly and the object is 350 mm, the object-side surface of the autofocus assembly T is a plane surface, and the radius of curvature RT is infinite. When the distance D1 between the optical imaging lens assembly and the object is 150 mm, the object-side surface of the autofocus assembly T is a convex surface, and the radius of curvature RT is 125.5000. When the distance D1 between the optical imaging lens assembly and the object is infinite, the object-side surface of the autofocus assembly T is a concave surface, and the radius of curvature RT is −169.6000.

TABLE 4SurfacenumberA4A6A8A10A12A14A16S1−9.7453E−03−2.4753E−03−6.2225E−04−1.3737E−04−3.0070E−05−5.4903E−06−1.6100E−06S2−9.7204E−03−2.1131E−03−4.0298E−04−5.6358E−05−1.0443E−05−6.9243E−07−5.5829E−07S36.4689E−02−2.8664E−033.9804E−048.7333E−06−6.7431E−067.1639E−06−4.6286E−06S46.8458E−02−1.0146E−037.9526E−041.7567E−044.2620E−051.9896E−051.2773E−06S5−1.8075E−01−5.1158E−038.8748E−041.3995E−036.9895E−042.8484E−048.2004E−05S6−2.1837E−019.7412E−034.3518E−031.7641E−035.0003E−042.9464E−05−5.3580E−05S71.6834E−014.9418E−02−1.5696E−021.5549E−032.3354E−03−1.2231E−036.1945E−04S81.0024E+00−5.8139E−02−3.7046E−03−3.3188E−038.6422E−03−3.8805E−031.7015E−03S9−1.6255E+005.2620E−01−2.0054E−015.5938E−02−2.2406E−021.1085E−02−5.7368E−03S10−3.4877E+008.6193E−01−2.6167E−019.9902E−02−5.1081E−022.2298E−02−1.0245E−02SurfacenumberA18A20S1−5.1850E−07−4.8846E−07S2−1.2332E−07−2.9363E−07S33.0560E−06−3.1677E−06S43.5548E−06−1.3858E−06S57.7102E−06−1.4416E−05S6−5.6784E−05−3.2892E−05S7−1.3205E−04−1.9262E−04S8−1.2727E−03−4.2896E−04S9−5.3883E−041.9621E−04S104.8516E−03−2.9107E−03

FIG.7Aillustrates the longitudinal aberration curve of the optical imaging lens assembly according to Example 2, representing deviations of focal points converged by light of different wavelengths after passing through the lens assembly.FIG.7Billustrates the astigmatic curve of the optical imaging lens assembly according to Example 2, representing a curvature of a tangential plane and a curvature of a sagittal plane.FIG.7Cillustrates the distortion curve of the optical imaging lens assembly according to Example 2, representing the amounts of distortion corresponding to different image heights.FIG.7Dillustrates the lateral color curve of the optical imaging lens assembly according to Example 2, representing deviations of different image heights on an imaging plane after light passes through the lens assembly.FIG.8A,FIG.9AandFIG.10Arespectively illustrate focus shift curve diagrams of the optical imaging lens assembly in Example 2, when the distance from the object is 350 mm, 150 mm and infinite, within a waveband range of 470 nm to 650 nm of the optical imaging lens assembly, representing the pixel size of a tangential field-of-view and a sagittal field-of-view under different focal shifts.FIG.8B,FIG.9BandFIG.10Brespectively illustrate MTF curve diagrams of the optical imaging lens assembly in Example 2, when the distance from the object is 350 mm, 150 mm and infinite, within a waveband range of 470 nm to 650 nm of the optical imaging lens assembly, representing the pixel size of a tangential field-of-view and a sagittal field-of-view at different frequencies. It can be seen fromFIG.7AtoFIG.10Bthat the optical imaging lens assembly provided in Example 2 can achieve good imaging quality.

Example 3

An optical imaging lens assembly according to Example 3 of the present disclosure is described below with reference toFIG.11toFIG.15B.FIG.11illustrates a schematic structural diagram of the optical imaging lens assembly according to Example 3 of the present disclosure.

As shown inFIG.11, the optical imaging lens assembly from an object side to an image side sequentially includes: a diaphragm STO, a first lens E1, an autofocus assembly T (including a flexible film, a liquid material, and a light-transmitting module), a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, an optical filter E6 and an imaging plane S13.

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

In this example, the total effective focal length f of the optical imaging lens assembly is 4.05 mm, the total track length TTL of the optical imaging lens assembly is 5.01 mm, half of a diagonal length ImgH of an effective pixel area on the imaging plane S13 of the optical imaging lens assembly is 2.77 mm, half of a maximum field-of-view Semi-FOV of the optical imaging lens assembly is 33.6°, and an F number Fno of the optical imaging lens assembly is 2.48.

Table 5 is a table illustrating basic parameters of the optical imaging lens assembly of Example 3, where the units for the radius of curvature, the thickness/distance and the focal length are millimeter (mm). Table 6 shows high-order coefficients applicable to each aspheric surface in Example 3, where the surface shape of each aspheric surface may be defined by the formula (1) given in the above Example 1.

TABLE 5MaterialSurfaceSurfaceRadius ofThickness/RefractiveAbbeConicnumbertypecurvatureDistanceindexnumberFocal lengthcoefficientOBJSphericalinfiniteD1STOSphericalinfinite−0.2576S1Aspheric1.39470.45461.5556.13.22−0.1236S2Aspheric5.97410.0666−83.8336SphericalRT0.02001.5365.4Spherical0.26501.5529.9Sphericalinfinite0.10001.5264.2Sphericalinfinite0.0100S3Aspheric30.00000.20001.6720.4−22.60−87.5651S4Aspheric10.00000.3248−87.9503S5Aspheric−5.15150.46761.6423.5−11.1122.0372S6Aspheric−19.00000.5408−89.8086S7Aspheric−9.34470.99901.5556.12.7933.9537S8Aspheric−1.35790.1775−0.8045S9Aspheric4.64100.38651.5455.8−2.220.5328S10Aspheric0.91970.3603−1.0163S11Sphericalinfinite0.21001.5264.2S12Sphericalinfinite0.4306S13Sphericalinfinite

In this example, an image-side surface of the liquid material and the light-transmitting module may be glued together. By changing the radius of curvature of a flexible film surface of the autofocus assembly T and the radius of curvature of the image-side surface of the liquid material, the total effective focal length of the optical imaging lens assembly may be changed with the change of a distance from the object, thereby realizing the autofocus function of the optical imaging lens assembly. Specifically, when the distance D1 between the optical imaging lens assembly and the object is 350 mm, the object-side surface of the autofocus assembly T is a plane surface, and the radius of curvature RT is infinite. When the distance D1 between the optical imaging lens assembly and the object is 150 mm, the object-side surface of the autofocus assembly T is a convex surface, and the radius of curvature RT is 129.0000. When the distance D1 between the optical imaging lens assembly and the object is infinite, the object-side surface of the autofocus assembly T is a concave surface, and the radius of curvature RT is −174.5000.

TABLE 6SurfacenumberA4A6A8A10A12A14A16S1−1.1693E−02−8.3297E−03−2.0812E−033.2635E−046.2454E−044.0692E−048.3089E−05S2−2.4967E−02−1.4279E−024.7525E−033.0801E−031.4633E−05−1.3760E−03−1.0180E−03S34.0927E−025.4654E−041.5137E−032.6683E−04−5.7743E−05−6.4331E−05−9.2145E−05S45.3757E−023.2615E−032.5805E−033.8463E−04−6.7504E−05−2.5329E−04−2.2811E−04S5−8.6209E−02−3.7804E−032.7890E−031.6606E−036.3767E−041.3733E−04−1.3451E−04S6−9.7686E−025.2818E−033.3715E−032.1449E−053.5776E−042.3353E−041.0436E−04S78.1815E−03−6.2205E−043.1935E−04−5.2323E−035.7815E−045.6653E−04−1.8138E−04S85.5389E−01−2.9672E−021.6430E−03−1.5810E−024.4420E−042.4200E−031.5207E−04S9−1.1122E+003.1803E−01−9.8542E−021.9913E−02−5.9251E−037.8938E−03−2.8906E−03S10−3.2723E+006.7946E−01−2.3471E−018.3168E−02−4.0898E−021.9289E−02−8.7001E−03SurfacenumberA18A20S1−8.8380E−05−1.5194E−04S2−9.0483E−055.4615E−04S3−5.2253E−05−4.4442E−05S4−1.9126E−04−1.1652E−04S5−1.4348E−04−1.0920E−04S61.9131E−055.0645E−06S7−4.5486E−04−1.1227E−04S8−1.5751E−03−4.9761E−04S9−5.3600E−04−3.0487E−04S104.5177E−03−1.9345E−03

FIG.12Aillustrates the longitudinal aberration curve of the optical imaging lens assembly according to Example 3, representing deviations of focal points converged by light of different wavelengths after passing through the lens assembly.FIG.12Billustrates the astigmatic curve of the optical imaging lens assembly according to Example 3, representing a curvature of a tangential plane and a curvature of a sagittal plane.FIG.12Cillustrates the distortion curve of the optical imaging lens assembly according to Example 3, representing the amounts of distortion corresponding to different image heights.FIG.12Dillustrates the lateral color curve of the optical imaging lens assembly according to Example 3, representing deviations of different image heights on an imaging plane after light passes through the lens assembly.FIG.13A,FIG.14AandFIG.15Arespectively illustrate focus shift curve diagrams of the optical imaging lens assembly in Example 3, when the distance from the object is 350 mm, 150 mm and infinite, within a waveband range of 470 nm to 650 nm of the optical imaging lens assembly, representing the pixel size of a tangential field-of-view and a sagittal field-of-view under different focal shifts.FIG.13B,FIG.14BandFIG.15Brespectively illustrate MTF curve diagrams of the optical imaging lens assembly in Example 3, when the distance from the object is 350 mm, 150 mm and infinite, within a waveband range of 470 nm to 650 nm of the optical imaging lens assembly, representing the pixel size of a tangential field-of-view and a sagittal field-of-view at different frequencies. It can be seen fromFIG.12AtoFIG.15Bthat the optical imaging lens assembly provided in Example 3 can achieve good imaging quality.

Example 4

An optical imaging lens assembly according to Example 4 of the present disclosure is described below with reference toFIG.16toFIG.20B.FIG.16illustrates a schematic structural diagram of the optical imaging lens assembly according to Example 4 of the present disclosure.

As shown inFIG.16, the optical imaging lens assembly from an object side to an image side sequentially includes: a diaphragm STO, a first lens E1, an autofocus assembly T (including a flexible film, a liquid material, and a light-transmitting module), a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, an optical filter E7 and an imaging plane S15.

The first lens E1 has positive refractive power, an object-side surface S1 of the first lens is a convex surface, and an image-side surface S2 of the first lens is a convex surface. The second lens E2 has negative refractive power, an object-side surface S3 of the second lens is a concave surface, and an image-side surface S4 of the second lens is a concave surface. The third lens E3 has positive refractive power, an object-side surface S5 of the third lens is a convex surface, and an image-side surface S6 of the third lens is a convex surface. The fourth lens E4 has positive refractive power, an object-side surface S7 of the fourth lens is a concave surface, and an image-side surface S8 of the fourth lens is a convex surface. The fifth lens E5 has positive refractive power, an object-side surface S9 of the fifth lens is a concave surface, and an image-side surface S10 of the fifth lens is a convex surface. The sixth lens E6 has negative refractive power, an object-side surface S11 of the sixth lens is a convex surface, and an image-side surface S12 of the sixth lens is a concave surface. The optical filter E7 has an object-side surface S13 and an image-side surface S14. Light from an object sequentially passes through the surfaces S1 to S14 and is finally imaged on the imaging plane S15.

In this example, the total effective focal length f of the optical imaging lens assembly is 4.62 mm, the total track length TTL of the optical imaging lens assembly is 5.41 mm, half of a diagonal length ImgH of an effective pixel area on the imaging plane S15 of the optical imaging lens assembly is 2.77 mm, half of a maximum field-of-view Semi-FOV of the optical imaging lens assembly is 29.7°, and an F number Fno of the optical imaging lens assembly is 2.48.

Table 7 is a table illustrating basic parameters of the optical imaging lens assembly of Example 4, where the units for the radius of curvature, the thickness/distance and the focal length are millimeter (mm). Table 8 shows high-order coefficients applicable to each aspheric surface in Example 4, where the surface shape of each aspheric surface may be defined by the formula (1) given in the above Example 1.

TABLE 7MaterialSurfaceSurfaceRadius ofThickness/RefractiveAbbeConicnumbertypecurvatureDistanceindexnumberFocal lengthcoefficientOBJSphericalinfiniteD1STOSphericalinfinite−0.2382S1Aspheric1.72410.54801.5556.13.11−0.0904S2Aspheric−90.94440.0986−90.0000SphericalRT0.02001.5365.4Spherical0.26501.5529.9Sphericalinfinite0.10001.5264.2Sphericalinfinite0.1636S3Aspheric−2.63750.20001.6720.4−3.36−0.0732S4Aspheric15.19230.2605−90.0000S5Aspheric7.08090.49421.6423.57.4133.5890S6Aspheric−14.25220.6512−11.0951S7Aspheric−7.68580.47871.5556.13.40−1.7823S8Aspheric−1.52690.0590−0.9608S9Aspheric−1.90560.20001.5556.1896.44−34.7996S10Aspheric−1.96850.1999−27.8188S11Aspheric2.93670.29991.5455.8−2.590.0022S12Aspheric0.91000.3749−0.9848S13Sphericalinfinite0.21001.5264.2S14Sphericalinfinite0.7820S15Sphericalinfinite

In this example, an image-side surface of the liquid material and the light-transmitting module may be glued together. By changing the radius of curvature of a flexible film surface of the autofocus assembly T and the radius of curvature of the image-side surface of the liquid material, the total effective focal length of the optical imaging lens assembly may be changed with the change of a distance from the object, thereby realizing the autofocus function of the optical imaging lens assembly. Specifically, when the distance D1 between the optical imaging lens assembly and the object is 350 mm, the object-side surface of the autofocus assembly T is a plane surface, and the radius of curvature RT is infinite. When the distance D1 between the optical imaging lens assembly and the object is 150 mm, the object-side surface of the autofocus assembly T is a convex surface, and the radius of curvature RT is 123.3000. When the distance D1 between the optical imaging lens assembly and the object is infinite, the object-side surface of the autofocus assembly T is a concave surface, and the radius of curvature RT is −167.5000.

TABLE 8SurfacenumberA4A6A8A10A12A14A16S1−1.2785E−02−3.5185E−03−9.1802E−04−2.0817E−04−4.7609E−05−4.8811E−061.6199E−06S2−1.2284E−02−2.9294E−03−5.2041E−04−1.4259E−056.2241E−056.9920E−056.2336E−05S38.0409E−02−4.3912E−035.7938E−04−3.5760E−059.9696E−06−2.2080E−067.4483E−07S47.9719E−02−1.2855E−037.8020E−041.2068E−044.8272E−053.6570E−07−4.5901E−07S5−1.5057E−01−4.2410E−03−2.1793E−044.4924E−042.4520E−047.2613E−051.3567E−05S6−1.9074E−01−9.5293E−053.1198E−031.1703E−033.8791E−04−5.5847E−05−8.5775E−05S79.2537E−022.1818E−025.4315E−051.4891E−041.0206E−03−9.7635E−047.6973E−05S87.5366E−01−3.8197E−02−4.0152E−04−5.1026E−035.4962E−03−2.7736E−034.5252E−04S9−9.7634E−035.6606E−04−2.0665E−03−9.6668E−052.4851E−045.7058E−04−6.8155E−04S10−2.4846E−021.9799E−031.2238E−033.7258E−053.5969E−04−3.9137E−046.7683E−04S11−1.1507E+003.4272E−01−1.0337E−012.9304E−02−8.8972E−032.1092E−03−5.1524E−04S12−2.5934E+005.8471E−01−1.7697E−016.7009E−02−2.7755E−021.1802E−02−5.5062E−03SurfacenumberA18A20S14.5448E−063.1353E−06S25.0956E−053.8874E−05S37.8261E−07−1.0329E−06S4−3.7852E−06−3.8257E−06S5−1.1648E−05−1.4325E−05S6−8.7421E−05−5.0369E−05S72.0574E−04−6.3400E−06S84.6355E−04−9.7366E−05S93.8964E−04−3.0919E−04S10−1.8015E−044.5780E−04S119.5667E−052.6046E−04S122.4630E−03−1.1066E−03

FIG.17Aillustrates the longitudinal aberration curve of the optical imaging lens assembly according to Example 4, representing deviations of focal points converged by light of different wavelengths after passing through the lens assembly.FIG.17Billustrates the astigmatic curve of the optical imaging lens assembly according to Example 4, representing a curvature of a tangential plane and a curvature of a sagittal plane.FIG.17Cillustrates the distortion curve of the optical imaging lens assembly according to Example 4, representing the amounts of distortion corresponding to different image heights.FIG.17Dillustrates the lateral color curve of the optical imaging lens assembly according to Example 4, representing deviations of different image heights on an imaging plane after light passes through the lens assembly.FIG.18A,FIG.19AandFIG.20Arespectively illustrate focus shift curve diagrams of the optical imaging lens assembly in Example 4, when the distance from the object is 350 mm, 150 mm and infinite, within a waveband range of 470 nm to 650 nm of the optical imaging lens assembly, representing the pixel size of a tangential field-of-view and a sagittal field-of-view under different focal shifts.FIG.18B,FIG.19BandFIG.20Brespectively illustrate MTF curve diagrams of the optical imaging lens assembly in Example 4, when the distance from the object is 350 mm, 150 mm and infinite, within a waveband range of 470 nm to 650 nm of the optical imaging lens assembly, representing the pixel size of a tangential field-of-view and a sagittal field-of-view at different frequencies. It can be seen fromFIG.17AtoFIG.20Bthat the optical imaging lens assembly provided in Example 4 can achieve good imaging quality.

Example 5

An optical imaging lens assembly according to Example 5 of the present disclosure is described below with reference toFIG.21toFIG.25B.FIG.21illustrates a schematic structural diagram of the optical imaging lens assembly according to Example 5 of the present disclosure.

As shown inFIG.21, the optical imaging lens assembly from an object side to an image side sequentially includes: a diaphragm STO, a first lens E1, an autofocus assembly T (including a flexible film, a liquid material, and a light-transmitting module), a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, an optical filter E7 and an imaging plane S15.

The first lens E1 has positive refractive power, an object-side surface S1 of the first lens is a convex surface, and an image-side surface S2 of the first lens is a convex surface. The second lens E2 has negative refractive power, an object-side surface S3 of the second lens is a concave surface, and an image-side surface S4 of the second lens is a concave surface. The third lens E3 has positive refractive power, an object-side surface S5 of the third lens is a convex surface, and an image-side surface S6 of the third lens is a convex surface. The fourth lens E4 has positive refractive power, an object-side surface S7 of the fourth lens is a concave surface, and an image-side surface S8 of the fourth lens is a convex surface. The fifth lens E5 has positive refractive power, an object-side surface S9 of the fifth lens is a convex surface, and an image-side surface S10 of the fifth lens is a convex surface. The sixth lens E6 has negative refractive power, an object-side surface S11 of the sixth lens is a convex surface, and an image-side surface S12 of the sixth lens is a concave surface. The optical filter E7 has an object-side surface S13 and an image-side surface S14. Light from an object sequentially passes through the surfaces S1 to S14 and is finally imaged on the imaging plane S15.

In this example, the total effective focal length f of the optical imaging lens assembly is 4.26 mm, the total track length TTL of the optical imaging lens assembly is 5.50 mm, half of a diagonal length ImgH of an effective pixel area on the imaging plane S15 of the optical imaging lens assembly is 2.77 mm, half of a maximum field-of-view Semi-FOV of the optical imaging lens assembly is 32.0°, and an F number Fno of the optical imaging lens assembly is 2.59.

Table 9 is a table illustrating basic parameters of the optical imaging lens assembly of Example 5, where the units for the radius of curvature, the thickness/distance and the focal length are millimeter (mm). Table 10 shows high-order coefficients applicable to each aspheric surface in Example 5, where the surface shape of each aspheric surface may be defined by the formula (1) given in the above Example 1.

TABLE 9MaterialSurfaceSurfaceRadius ofThickness/RefractiveAbbeConicnumbertypecurvatureDistanceindexnumberFocal lengthcoefficientOBJSphericalinfiniteD1STOSphericalinfinite−0.1724S1Aspheric2.01720.41191.5556.13.52−0.0817S2Aspheric−38.33790.233989.5586SphericalRT0.02001.5365.4Spherical0.26501.5529.9Sphericalinfinite0.10001.5264.2Sphericalinfinite0.1037S3Aspheric−3.58610.20001.6720.4−3.942.8611S4Aspheric10.00060.1890−69.5396S5Aspheric7.79580.37921.6423.58.6233.7090S6Aspheric−18.99850.717989.9669S7Aspheric−8.78320.47901.5556.17.74−89.9748S8Aspheric−2.90690.1334−0.4736S9Aspheric60.08610.42551.5556.16.00−90.0000S10Aspheric−3.45360.2885−14.0206S11Aspheric2.64960.33101.5455.8−2.770.1522S12Aspheric0.91080.3968−1.0000S13Sphericalinfinite0.21001.5264.2S14Sphericalinfinite0.4352S15Sphericalinfinite

In this example, an image-side surface of the liquid material and the light-transmitting module may be glued together. By changing the radius of curvature of a flexible film surface of the autofocus assembly T and the radius of curvature of the image-side surface of the liquid material, the total effective focal length of the optical imaging lens assembly may be changed with the change of a distance from the object, thereby realizing the autofocus function of the optical imaging lens assembly. Specifically, when the distance D1 between the optical imaging lens assembly and the object is 350 mm, the object-side surface of the autofocus assembly T is a plane surface, and the radius of curvature RT is infinite. When the distance D1 between the optical imaging lens assembly and the object is 150 mm, the object-side surface of the autofocus assembly T is a convex surface, and the radius of curvature RT is 116.2000. When the distance D1 between the optical imaging lens assembly and the object is infinite, the object-side surface of the autofocus assembly T is a concave surface, and the radius of curvature RT is −155.0000.

TABLE 10SurfacenumberA4A6A8A10A12A14A16S1−1.4554E−02−6.6215E−03−1.3238E−034.5585E−053.5833E−05−3.1565E−066.5104E−05S2−1.5160E−02−5.3883E−033.8541E−045.4088E−04−2.3291E−05−4.1322E−056.8137E−05S35.1595E−02−5.6801E−036.2053E−04−1.7117E−044.8919E−05−4.0378E−051.9792E−06S45.7176E−02−5.2008E−031.1800E−03−3.0651E−041.2492E−04−7.9249E−051.7478E−05S5−1.0084E−01−2.1073E−031.1411E−03−9.2797E−051.1868E−04−5.2583E−051.5740E−05S6−9.8588E−02−4.2055E−031.6771E−03−1.0602E−048.7049E−05−4.6274E−057.2113E−06S78.3419E−02−1.2132E−024.1429E−03−1.6046E−03−3.7998E−045.6246E−055.2078E−05S81.9781E−011.6282E−037.3504E−03−2.2113E−03−1.9537E−039.9477E−044.2531E−05S9−7.6792E−02−1.3656E−026.4029E−03−1.1694E−03−1.3086E−032.8027E−035.7961E−04S108.6821E−023.8004E−03−9.1758E−03−3.6852E−053.6076E−046.8603E−041.0226E−03S11−1.6953E+004.0585E−01−1.1771E−013.0106E−02−7.3438E−031.0359E−037.5773E−05S12−3.5895E+006.9745E−01−2.3109E−018.8269E−02−3.2935E−021.4016E−02−6.1316E−03SurfacenumberA18A20S17.3253E−05−2.0082E−05S25.6352E−06−1.5478E−04S3−1.6403E−05−6.5019E−06S4−2.6888E−05−5.3862E−06S5−5.4637E−062.3721E−06S6−2.9546E−062.4998E−06S75.5209E−057.2758E−06S82.7752E−04−3.2518E−05S9−5.3001E−05−3.9500E−04S10−1.1173E−036.3846E−05S11−1.2451E−038.4611E−04S121.7508E−03−3.8549E−04

FIG.22Aillustrates the longitudinal aberration curve of the optical imaging lens assembly according to Example 5, representing deviations of focal points converged by light of different wavelengths after passing through the lens assembly.FIG.22Billustrates the astigmatic curve of the optical imaging lens assembly according to Example 5, representing a curvature of a tangential plane and a curvature of a sagittal plane.FIG.22Cillustrates the distortion curve of the optical imaging lens assembly according to Example 5, representing the amounts of distortion corresponding to different image heights.FIG.22Dillustrates the lateral color curve of the optical imaging lens assembly according to Example 5, representing deviations of different image heights on an imaging plane after light passes through the lens assembly.FIG.23A,FIG.24AandFIG.25Arespectively illustrate focus shift curve diagrams of the optical imaging lens assembly in Example 5, when the distance from the object is 350 mm, 150 mm and infinite, within a waveband range of 470 nm to 650 nm of the optical imaging lens assembly, representing the pixel size of a tangential field-of-view and a sagittal field-of-view under different focal shifts.FIG.23B,FIG.24BandFIG.25Brespectively illustrate MTF curve diagrams of the optical imaging lens assembly in Example 5, when the distance from the object is 350 mm, 150 mm and infinite, within a waveband range of 470 nm to 650 nm of the optical imaging lens assembly, representing the pixel size of a tangential field-of-view and a sagittal field-of-view at different frequencies. It can be seen fromFIG.22AtoFIG.25Bthat the optical imaging lens assembly provided in Example 5 can achieve good imaging quality.

Example 6

An optical imaging lens assembly according to Example 6 of the present disclosure is described below with reference toFIG.26toFIG.30B.FIG.26illustrates a schematic structural diagram of the optical imaging lens assembly according to Example 6 of the present disclosure.

As shown inFIG.26, the optical imaging lens assembly from an object side to an image side sequentially includes: a diaphragm STO, a first lens E1, an autofocus assembly T (including a flexible film, a liquid material, and a light-transmitting module), a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, an optical filter E7 and an imaging plane S15.

The first lens E1 has positive refractive power, an object-side surface S1 of the first lens is a convex surface, and an image-side surface S2 of the first lens is a convex surface. The second lens E2 has negative refractive power, an object-side surface S3 of the second lens is a concave surface, and an image-side surface S4 of the second lens is a concave surface. The third lens E3 has positive refractive power, an object-side surface S5 of the third lens is a concave surface, and an image-side surface S6 of the third lens is a convex surface. The fourth lens E4 has positive refractive power, an object-side surface S7 of the fourth lens is a concave surface, and an image-side surface S8 of the fourth lens is a convex surface. The fifth lens E5 has negative refractive power, an object-side surface S9 of the fifth lens is a concave surface, and an image-side surface S10 of the fifth lens is a convex surface. The sixth lens E6 has negative refractive power, an object-side surface S11 of the sixth lens is a convex surface, and an image-side surface S12 of the sixth lens is a concave surface. The optical filter E7 has an object-side surface S13 and an image-side surface S14. Light from an object sequentially passes through the surfaces S1 to S14 and is finally imaged on the imaging plane S15.

In this example, the total effective focal length f of the optical imaging lens assembly is 4.11 mm, the total track length TTL of the optical imaging lens assembly is 5.21 mm, half of a diagonal length ImgH of an effective pixel area on the imaging plane S15 of the optical imaging lens assembly is 2.77 mm, half of a maximum field-of-view Semi-FOV of the optical imaging lens assembly is 32.8°, and an F number Fno of the optical imaging lens assembly is 2.58.

Table 11 is a table illustrating basic parameters of the optical imaging lens assembly of Example 6, where the units for the radius of curvature, the thickness/distance and the focal length are millimeter (mm). Table 12 shows high-order coefficients applicable to each aspheric surface in Example 6, where the surface shape of each aspheric surface may be defined by the formula (1) given in the above Example 1.

TABLE 11MaterialSurfaceSurfaceRadius ofThickness/RefractiveAbbeConicnumbertypecurvatureDistanceindexnumberFocal lengthcoefficientOBJSphericalinfiniteD1STOSphericalinfinite−0.1696S1Aspheric1.75970.47481.5556.13.04−0.1313S2Aspheric−25.87510.2040−90.0000SphericalRT0.02001.5365.4Spherical0.26501.5529.9Sphericalinfinite0.10001.5264.2Sphericalinfinite0.1033S3Aspheric−2.94780.20001.6720.4−3.803.1751S4Aspheric18.45820.226158.6667S5Aspheric−69.74820.41921.6423.519.0690.0000S6Aspheric−10.47150.450054.3067S7Aspheric−10.00000.60761.5556.13.38−56.2554S8Aspheric−1.59080.1979−0.9510S9Aspheric−3.14600.27861.5556.1−29.090.0049S10Aspheric−4.04580.3644−0.1430S11Aspheric1.84360.31381.5455.8−3.34−0.9894S12Aspheric0.85500.3505−0.9996S13Sphericalinfinite0.21001.5264.2S14Sphericalinfinite0.4282S15Sphericalinfinite

In this example, an image-side surface of the liquid material and the light-transmitting module may be glued together. By changing the radius of curvature of a flexible film surface of the autofocus assembly T and the radius of curvature of the image-side surface of the liquid material, the total effective focal length of the optical imaging lens assembly may be changed with the change of a distance from the object, thereby realizing the autofocus function of the optical imaging lens assembly. Specifically, when the distance D1 between the optical imaging lens assembly and the object is 350 mm, the object-side surface of the autofocus assembly T is a plane surface, and the radius of curvature RT is infinite. When the distance D1 between the optical imaging lens assembly and the object is 150 mm, the object-side surface of the autofocus assembly T is a convex surface, and the radius of curvature RT is 110.8000. When the distance D1 between the optical imaging lens assembly and the object is infinite, the object-side surface of the autofocus assembly T is a concave surface, and the radius of curvature RT is −150.8000.

TABLE 12SurfacenumberA4A6A8A10A12A14A16S1−1.3516E−02−6.3348E−03−1.4553E−037.6720E−052.9164E−041.6296E−044.1714E−06S2−1.7281E−02−5.0943E−03−3.6664E−044.3543E−044.0486E−042.3734E−047.7952E−05S34.9564E−02−6.3146E−035.7081E−04−7.7683E−051.3691E−05−3.4489E−06−1.4005E−06S45.8383E−02−5.7093E−031.1540E−031.3352E−041.2931E−044.5704E−051.9610E−05S5−1.0411E−01−1.9585E−033.8953E−045.7415E−043.9108E−041.8617E−049.9629E−05S6−1.4936E−01−3.3147E−045.8158E−045.4547E−043.8196E−041.0523E−045.6521E−05S71.3019E−018.3925E−03−5.4742E−03−1.6421E−031.1219E−03−2.4457E−041.6094E−04S85.3867E−01−1.1833E−024.7796E−03−9.1537E−033.3775E−03−2.7705E−046.6501E−05S94.4703E−01−9.3786E−022.7681E−02−5.5577E−033.7003E−03−1.4916E−03−5.4183E−04S103.1221E−011.7103E−02−1.4704E−025.8742E−03−3.1442E−032.4763E−03−1.2957E−03S11−2.0568E+006.5321E−01−1.9921E−015.8830E−02−2.4318E−021.3255E−02−4.1583E−03S12−3.9342E+008.0914E−01−2.6193E−011.1030E−01−4.7576E−022.1627E−02−9.1443E−03SurfacenumberA18A20S1−8.2283E−05−1.0235E−04S2−2.0740E−05−6.4155E−05S3−3.1757E−06−2.4276E−06S43.3954E−06−1.4510E−06S54.1525E−051.5864E−05S61.7268E−055.8420E−06S71.3339E−04−1.1125E−05S84.2260E−041.9602E−04S91.2900E−033.7372E−04S101.3464E−03−9.7791E−04S117.2482E−04−2.1417E−03S126.3434E−03−3.2186E−03

FIG.27Aillustrates the longitudinal aberration curve of the optical imaging lens assembly according to Example 6, representing deviations of focal points converged by light of different wavelengths after passing through the lens assembly.FIG.27Billustrates the astigmatic curve of the optical imaging lens assembly according to Example 6, representing a curvature of a tangential plane and a curvature of a sagittal plane.FIG.27Cillustrates the distortion curve of the optical imaging lens assembly according to Example 6, representing the amounts of distortion corresponding to different image heights.FIG.27Dillustrates the lateral color curve of the optical imaging lens assembly according to Example 6, representing deviations of different image heights on an imaging plane after light passes through the lens assembly.FIG.28A,FIG.29AandFIG.30Arespectively illustrate focus shift curve diagrams of the optical imaging lens assembly in Example 6, when the distance from the object is 350 mm, 150 mm and infinite, within a waveband range of 470 nm to 650 nm of the optical imaging lens assembly, representing the pixel size of a tangential field-of-view and a sagittal field-of-view under different focal shifts.FIG.28B,FIG.29BandFIG.30Brespectively illustrate MTF curve diagrams of the optical imaging lens assembly in Example 6, when the distance from the object is 350 mm, 150 mm and infinite, within a waveband range of 470 nm to 650 nm of the optical imaging lens assembly, representing the pixel size of a tangential field-of-view and a sagittal field-of-view at different frequencies. It can be seen fromFIG.27AtoFIG.30Bthat the optical imaging lens assembly provided in Example 6 can achieve good imaging quality.

In view of the above, examples 1 to 6 respectively satisfy the relationship shown in Table 13.

TABLE 13Conditional/Example123456|f/R10|4.935.424.412.351.231.01f1/R11.791.892.311.801.751.73|R6/f3|1.871.361.711.922.200.55f4/R8−2.15−2.34−2.05−2.23−2.66−2.12TTL/ImgH1.882.031.811.951.991.88CT1/D1.611.501.181.421.071.23D/T1−T2.573.945.783.901.651.89T34/CT52.303.381.403.261.691.62CT4/CT22.763.214.992.392.403.04

The present disclosure further provides an imaging apparatus, having an electronic photosensitive element, which may be a photosensitive Charge-Coupled Device (CCD) or a Complementary Metal-Oxide Semiconductor (CMOS). The imaging apparatus may be an independent imaging device such as a digital camera, or may be an imaging module integrated in a mobile electronic device such as a mobile phone. The imaging apparatus is equipped with the optical imaging lens assembly described above.

The foregoing is only a description of the preferred examples of the present disclosure and the applied technical principles. It should be appreciated by those skilled in the art that the inventive scope of the present disclosure is not limited to the technical solutions formed by the particular combinations of the above technical features. The inventive scope should also cover other technical solutions formed by any combinations of the above technical features or equivalent features thereof without departing from the concept of the invention, such as, technical solutions formed by replacing the features as disclosed in the present disclosure with (but not limited to), technical features with similar functions.