TWM575120U - Optical imaging module - Google Patents

Abstract

An optical imaging module includes a circuit component and a lens component. The circuit component includes a circuit substrate and an image sensing element. The circuit substrate has a plurality of circuit contacts. The first surface of the image sensing element faces the circuit substrate. The first surface has a plurality of image contacts and passes through the signal conducting element. The corresponding circuit contacts are connected, and the second surface has a sensing surface. The lens assembly includes a lens base and a lens group; the lens base is made of opaque material and has a receiving hole passing through both ends to be hollow; in addition, the lens base is arranged on a circuit substrate to make the image sense The measuring element is located in the containing hole; the lens group includes at least two lenses having refractive power, and is arranged on the lens base and located in the containing hole, so that light can pass through the lens group and be projected onto the sensing surface.

Description

Optical imaging module

This creation is about an optical imaging module, and in particular, it relates to an optical imaging module that is applied to electronic products and can achieve miniaturization.

In recent years, with the rise of portable electronic products with photographic functions, the demand for optical systems has been increasing. The photosensitive elements of general optical systems are nothing more than two types: photosensitive coupled device (CCD) or complementary metal-Oxide semiconductor sensor (CMOS sensor). With the advancement of semiconductor process technology, The pixel size of the photosensitive element is reduced, and the optical system is gradually developed in the high pixel field, so the requirements for imaging quality are also increasing.

The optical system traditionally mounted on portable devices, due to the continuous improvement of the pixels of portable devices and the end consumers' requirements for large apertures such as low light and night shooting functions, the size and imaging of conventional optical imaging modules The quality can no longer meet the requirements of higher-level photography.

Therefore, how to effectively achieve a miniaturized structure and further improve the quality of imaging has become a very important issue.

The aspect of this creative embodiment is directed to an optical imaging module that can use the design of the structural size and cooperate with the combination of the refractive power, convex and concave surfaces of more than two lenses (the convex or concave surface in this creation refers to each lens in principle Description of the change in the geometric shape of the object side or image side at different heights from the optical axis), thereby achieving the purpose of miniaturization, and at the same time effectively increasing the amount of light entering the optical imaging module and increasing the viewing angle of the optical imaging lens. It can make the optical imaging module have a certain degree of contrast and improve the total pixels and quality of imaging, and then it can be applied to small or narrow-frame electronic products.

The terms of the parameters of the mechanism components related to this creative embodiment and their codes are listed in detail below as a reference for subsequent descriptions:

Let us first use Figure 1A as an example to explain the terminology of the mechanical components used. The optical imaging module mainly includes a circuit component and a lens component. The circuit component may include a circuit substrate EB and an image sensing element S, and in the present creation, the image sensing element S is fixed on the circuit substrate EB by a chip scale package. It can also be a packaging method of Wafer Level Chip Scale Package.

The lens assembly may include a lens base LB1 and a lens group L. The lens base LB1 is mainly made of metal (for example, aluminum, copper, silver, gold, etc.), or plastics such as polycarbonate (PC), liquid crystal plastic (LCP), and other opaque materials. In addition, the maximum value of the minimum side length on a plane outside the peripheral edge of the lens base LB1 and perpendicular to the optical axis of the lens group is represented by PhiD, and the lens base LB1 has a receiving hole through both ends to be hollow. . More specifically, the lens base LB1 may have a lens holder LH1 and a lens barrel B. The lens holder LH1 is hollow and does not have light transmission. The lens barrel B is also hollow and does not have light transmission and is disposed in the lens holder LH1. The interior of the lens barrel B and the lens holder LH1 form the accommodation together. hole. In addition, the maximum thickness of the lens holder is represented by TH1. The minimum thickness of the lens barrel is represented by TH2.

The lens group includes at least two lenses having refractive power, and is disposed on the lens base LB1 and located in the accommodation hole. The terms of the lens parameters and their codes related to this creative embodiment are listed in detail below as a reference for subsequent descriptions:

Lens parameters related to length or height

The maximum imaging height of the optical imaging module is represented by HOI; the height of the optical imaging module (that is, the distance from the object side of the first lens to the imaging surface on the optical axis) is represented by HOS; the first lens of the optical imaging module The distance from the object side to the image side of the last lens is represented by InTL; the distance from the fixed light barrier (aperture) of the optical imaging module to the imaging surface is represented by InS; the distance between the first lens and the second lens of the optical imaging module The distance is represented by IN12 (example); the thickness of the first lens of the optical imaging module on the optical axis is represented by TP1 (example).

Material-related lens parameters The dispersion coefficient of the first lens of the optical imaging module is represented by NA1 (example); the refraction law of the first lens is represented by Nd1 (example).

Lens parameters related to viewing angle The viewing angle is represented by AF; half of the viewing angle is represented by HAF; the principal ray angle is represented by MRA.

Lens parameters related to exit pupil

The diameter of the entrance pupil of an optical imaging module is represented by HEP; the maximum effective radius of any surface of a single lens refers to the point where the system ’s maximum viewing angle of incident light passes through the edge of the entrance pupil at the intersection of the lens surface (Effective Half Diameter; EHD), The vertical height between the intersection and the optical axis. For example, the maximum effective radius of the object side of the first lens is represented by EHD11, and the maximum effective radius of the image side of the first lens is represented by EHD12. The maximum effective radius of the object side of the second lens is represented by EHD21, and the maximum effective radius of the image side of the second lens is represented by EHD22. The maximum effective radius of any of the surfaces of the remaining lenses in the optical imaging module is expressed in the same manner. The maximum effective diameter of the image side of the lens closest to the imaging surface in the optical imaging module is represented by PhiA, which satisfies the conditional expression PhiA = 2 times EHD. If the surface is aspherical, the cutoff point of the maximum effective diameter is Spherical cut-off point. Ineffective Half Diameter (IHD) of any surface of a single lens refers to the cut-off point of the maximum effective radius extending from the same surface away from the optical axis (if the surface is aspherical, that is, the surface has an aspheric coefficient End point). The maximum diameter of the image side of the lens closest to the imaging surface in the optical imaging module is represented by PhiB, which satisfies the condition PhiB = 2 times (maximum effective radius EHD + maximum invalid radius IHD) = PhiA + 2 times (maximum invalid radius IHD ).

The maximum effective diameter of the image side of the lens closest to the imaging surface (that is, the image space) in the optical imaging module can also be referred to as the optical exit pupil, which is represented by PhiA. Indicates that if the optical exit pupil is located on the image side of the fourth lens, it is represented by PhiA4; if the optical exit pupil is located on the image side of the fifth lens, it is represented by PhiA5; if the optical exit pupil is located on the image side of the sixth lens, it is represented by PhiA6; The module has different lenses with refractive power, and the optical exit pupil is expressed in the same manner. The pupil ratio of the optical imaging module is represented by PMR, which satisfies the conditional expression PMR = PhiA / HEP.

Parameters related to the lens surface arc length and surface contour. The length of the contour curve of the maximum effective radius of any surface of a single lens refers to the intersection of the surface of the lens and the optical axis of the optical imaging module. The starting point follows the surface contour of the lens until the end of its maximum effective radius, and the arc length between the two points is the length of the contour curve of the maximum effective radius, and is expressed by ARS. For example, the length of the contour curve of the maximum effective radius on the object side of the first lens is represented by ARS11, and the length of the contour curve of the maximum effective radius of the image side of the first lens is represented by ARS12. The length of the contour curve of the maximum effective radius on the object side of the second lens is represented by ARS21, and the length of the contour curve of the maximum effective radius of the image side of the second lens is represented by ARS22. The length of the contour curve of the maximum effective radius of any surface of the remaining lenses in the optical imaging module is expressed in the same manner.

The length of the contour curve of 1/2 of the entrance pupil diameter (HEP) of any surface of a single lens refers to the intersection point between the surface of the lens and the optical axis of the optical imaging module to which it belongs. The surface contour of the lens is up to the coordinate point of the vertical height of the entrance pupil diameter of 1/2 of the diameter from the optical axis, and the arc length between the two points is the contour curve length of 1/2 entrance pupil diameter (HEP), and Expressed as ARE. For example, the contour curve length of 1/2 incident pupil diameter (HEP) on the object side of the first lens is represented by ARE11, and the contour curve length of 1/2 incident pupil diameter (HEP) on the image side of the first lens is represented by ARE12. The length of the profile curve of 1/2 incident pupil diameter (HEP) on the object side of the second lens is represented by ARE21, and the length of the profile curve of 1/2 incident pupil diameter (HEP) on the image side of the second lens is represented by ARE22. The expression of the contour curve length of 1/2 of the entrance pupil diameter (HEP) of any surface of the remaining lenses in the optical imaging module can be deduced by analogy.

Parameters related to the depth of the lens surface The intersection point of the sixth lens object side on the optical axis to the end of the maximum effective radius of the sixth lens object side, the distance between the two points horizontal to the optical axis is expressed by InRS61 (the maximum effective radius Depth); the intersection of the sixth lens image side on the optical axis to the end of the maximum effective radius of the sixth lens image side, the distance between the two points horizontal to the optical axis is represented by InRS62 (the maximum effective radius depth). The depth (sinking amount) of the maximum effective radius of the object side or image side of other lenses is expressed in the same manner as described above.

Parameters related to the shape of the lens The critical point C refers to a point on a specific lens surface that is tangent to a tangent plane perpendicular to the optical axis, except for the point of intersection with the optical axis. For example, the vertical distance between the critical point C51 on the object side of the fifth lens and the optical axis is HVT51 (example), the vertical distance between the critical point C52 on the image side of the fifth lens and the optical axis is HVT52 (example), and the sixth lens object The vertical distance between the critical point C61 on the side and the optical axis is HVT61 (illustrated), and the vertical distance between the critical point C62 on the side of the sixth lens image and the optical axis is HVT62 (illustrated). The critical points on the object side or image side of other lenses and their vertical distance from the optical axis are expressed in the same manner as described above.

The inflection point closest to the optical axis on the object side of the seventh lens is IF711. This point has a subsidence of SGI711 (example). SGI711 is the intersection of the object side of the seventh lens on the optical axis and the closest optical axis of the object side of the seventh lens. The horizontal displacement distance between the inflection points is parallel to the optical axis. The vertical distance between this point and the optical axis is IF711 (illustration). The inflection point on the image side of the seventh lens that is closest to the optical axis is IF721. This point sinks SGI721 (for example). SGI711 is the intersection of the seventh lens image side on the optical axis and the closest optical axis of the seventh lens image side. The horizontal displacement distance between the inflection points parallel to the optical axis, and the vertical distance between this point of IF721 and the optical axis is HIF721 (illustration).

The second inflection point on the object side of the seventh lens approaching the optical axis is IF712. This point has a subsidence of SGI712 (for example). SGI712, that is, the intersection of the object side of the seventh lens on the optical axis, is the second closest to the object side of the seventh lens. The horizontal displacement distance between the inflection points of the optical axis and the optical axis is parallel. The vertical distance between this point of the IF712 and the optical axis is HIF712 (example). The second inflection point on the seventh lens image side that is close to the optical axis is IF722. This point has a subsidence of SGI722 (for example). SGI722 is the intersection of the seventh lens image side on the optical axis and the seventh lens image side is the second closest. The horizontal displacement distance between the inflection points of the optical axis and the optical axis is parallel, and the vertical distance between this point and the optical axis of IF722 is HIF722 (illustration).

The third inflection point on the object side of the seventh lens approaching the optical axis is IF713. This point has a subsidence of SGI713 (for example). SGI713, that is, the intersection of the object side of the seventh lens on the optical axis is the third closest to the object side of the seventh lens. The horizontal displacement distance between the inflection points of the optical axis and the optical axis is parallel, and the vertical distance between this point and the optical axis of IF713 is HIF713 (illustration). The third inflection point on the seventh lens image side close to the optical axis is IF723, which is the amount of subsidence SGI723 (for example), SGI723, that is, the intersection of the seventh lens image side on the optical axis to the seventh lens image side third approach The horizontal displacement distance between the inflection points of the optical axis is parallel to the optical axis, and the vertical distance between this point of the IF723 and the optical axis is HIF723 (example).

The inflection point of the fourth lens close to the optical axis on the seventh lens object side is IF714. This point has a subsidence of SGI714 (for example). SGI714, that is, the intersection of the seventh lens object side on the optical axis and the seventh lens object side is fourth closer. The horizontal displacement distance between the inflection points of the optical axis is parallel to the optical axis. The vertical distance between this point and the optical axis of IF714 is HIF714 (illustration). The inflection point on the seventh lens image side close to the optical axis is IF724, which is the amount of subsidence SGI724 (for example). SGI724, that is, the intersection of the seventh lens image side on the optical axis to the seventh lens image side fourth approach The horizontal displacement distance between the inflection points of the optical axis and the optical axis is parallel. The vertical distance between this point and the optical axis of IF724 is HIF724 (illustration).

The inflection points on the object side or image side of other lenses and their vertical distance from the optical axis or the amount of their subsidence are expressed in the same manner as described above.

Aberration-related variables Optical Distortion of the optical imaging module is represented by ODT; its TV Distortion is represented by TDT, and the aberration shift between 50% and 100% of the field of view can be further described. The degree of spherical aberration shift is represented by DFS; the comet aberration shift is represented by DFC.

This creation provides an optical imaging module. The object side or the image side of the sixth lens can be provided with inflection points, which can effectively adjust the angle of incidence of each field of view on the sixth lens, and correct optical distortion and TV distortion. In addition, the surface of the sixth lens may have better light path adjustment capabilities to improve imaging quality.

According to the present invention, an optical imaging module is provided, which includes a circuit component and a lens component. The circuit component includes a circuit substrate and an image sensing element. The circuit substrate has a plurality of circuit contacts. The image sensing element has a first surface and a second surface. The first surface faces the circuit substrate. And has a plurality of image contacts, and each of the image contacts is provided with a signal conducting element, and the signal conducting elements are respectively connected with the circuit contacts on the circuit substrate, so that the image contacts are disposed through The signal conducting element is electrically connected to the corresponding circuit contact; the second surface has a sensing surface. The lens assembly includes a lens base and a lens group; the lens base is made of opaque material, and has a receiving hole penetrating both ends of the lens base to make the lens base hollow; in addition, the lens base is hollow; The lens base is disposed on the circuit substrate so that the image sensing element is located in the accommodation hole; the lens group includes at least two lenses having refractive power, and is disposed on the lens base and located in the accommodation In addition, the imaging surface of the lens group is located on the sensing surface, and the optical axis of the lens group overlaps the center normal of the sensing surface, so that light can pass through the lens group in the accommodation hole and be projected. To the sensing surface. In addition, the optical imaging module further meets the following conditions: 1.0 ≦ f / HEP ≦ 10.0; 0 deg <HAF ≦ 150 deg; 0 mm <PhiD ≦ 18 mm; 0 <PhiA / PhiD ≦ 0.99; and 0.9 ≦ 2 (ARE /HEP)≦2.0.

The length of the contour curve of any surface of a single lens within the maximum effective radius affects the surface's ability to correct aberrations and the optical path difference between rays of each field of view. The longer the length of the contour curve, the greater the ability to correct aberrations. It will increase the difficulty in production. Therefore, it is necessary to control the length of the contour curve within the maximum effective radius of any surface of a single lens, especially the length of the contour curve (ARS) and the surface within the maximum effective radius of the surface. The proportional relationship (ARS / TP) between the thickness (TP) of the lens on the optical axis. For example, the length of the contour curve of the maximum effective radius of the object side of the first lens is represented by ARS11, the thickness of the first lens on the optical axis is TP1, and the ratio between the two is ARS11 / TP1. The length of the contour curve is represented by ARS12, and the ratio between it and TP1 is ARS12 / TP1. The length of the contour curve of the maximum effective radius of the object side of the second lens is represented by ARS21, the thickness of the second lens on the optical axis is TP2, and the ratio between the two is ARS21 / TP2. The contour of the maximum effective radius of the image side of the second lens The length of the curve is represented by ARS22, and the ratio between it and TP2 is ARS22 / TP2. The proportional relationship between the length of the contour curve of the maximum effective radius of any of the surfaces of the remaining lenses in the optical imaging module and the thickness (TP) of the lens on the optical axis to which the surface belongs, and the expressions are deduced by analogy. In addition, the optical imaging module satisfies the following conditions: 0.9 ≦ ARS / EHD ≦ 2.0.

The longest working wavelength of the visible light of the positive meridional fan of the optical imaging module passes through the edge of the entrance pupil and is incident on the imaging surface at 0.7HOI. The lateral aberration is represented by PLTA; the positive meridian of the optical imaging module The shortest working wavelength of the visible light of the fan passes through the edge of the entrance pupil and is incident on the imaging plane at 0.7HOI. The lateral aberration is represented by PSTA. The longest working wavelength of the visible light of the negative meridional fan of the optical imaging module passes through the edge of the entrance pupil and is incident on the imaging plane at 0.7HOI. The lateral aberration is represented by NLTA; the negative meridian of the optical imaging module The shortest working wavelength of the visible light of the optical fan passes through the edge of the entrance pupil and the transverse aberration at 0.7HOI incident on the imaging plane is represented by NSTA; the longest working wavelength of the visible light of the sagittal plane fan of the optical imaging module passes through the edge of the incident pupil The lateral aberration at 0.7HOI incident on the imaging plane is represented by SLTA; the shortest working wavelength of the visible light of the sagittal plane fan of the optical imaging module passes through the edge of the entrance pupil and is incident on the imaging plane at 0.7HOI transverse The aberration is represented by SSTA. In addition, the optical imaging module more satisfies the following conditions: PLTA ≦ 100 μm; PSTA ≦ 100 μm; NLTA ≦ 100 μm; NSTA ≦ 100 μm; SLTA ≦ 100 μm; SSTA ≦ 100 μm; │TDT│ <250%; 0.1 ≦ InTL / HOS ≦ 0.95; and 0.2 ≦ InS / HOS ≦ 1.1.

The modulation conversion contrast transfer rate when the optical axis of visible light on the imaging plane is at a spatial frequency of 110 cycles / mm is expressed as MTFQ0; the modulation conversion contrast transfer rate of 0.3HOI of visible light on the imaging plane is at a spatial frequency of 110 cycles / mm. It is represented by MTFQ3; the modulation conversion contrast transfer rate of 0.7HOI of visible light on the imaging surface at the spatial frequency of 110 cycles / mm is represented by MTFQ7. In addition, the optical imaging module satisfies the following conditions: MTFQ0 ≧ 0.2; MTFQ3 ≧ 0.01; and MTFQ7 ≧ 0.01.

The length of the contour curve of any surface of a single lens within the height range of 1/2 entrance pupil diameter (HEP) particularly affects the ability of the surface to correct aberrations in the common area of each ray field of view and the optical path difference between the fields of light. The longer the length of the contour curve, the better the ability to correct aberrations. However, it will also increase the difficulty of manufacturing. Therefore, it is necessary to control the contour of any surface of a single lens within the height of 1/2 incident pupil diameter (HEP). The length of the curve, especially the proportional relationship between the length of the contour curve (ARE) within the height of 1/2 of the entrance pupil diameter (HEP) of the surface and the thickness (TP) of the lens on the optical axis to which the surface belongs (ARE / TP). For example, the length of the contour curve of the 1/2 entrance pupil diameter (HEP) height of the first lens object side is represented by ARE11, the thickness of the first lens on the optical axis is TP1, and the ratio between the two is ARE11 / TP1. The length of the profile curve of the 1/2 entrance pupil diameter (HEP) height on the side of the mirror is represented by ARE12, and the ratio between it and TP1 is ARE12 / TP1. The length of the contour curve of the 1/2 entrance pupil diameter (HEP) height of the second lens object side is represented by ARE21, the thickness of the second lens on the optical axis is TP2, and the ratio between the two is ARE21 / TP2. The second lens image The profile curve length of the 1/2 entrance pupil diameter (HEP) height on the side is represented by ARE22, and the ratio between it and TP2 is ARE22 / TP2. The proportional relationship between the length of the contour curve of the 1/2 entrance pupil diameter (HEP) height of any of the surfaces of the remaining lenses in the optical imaging module and the thickness (TP) of the lens on the optical axis to which the surface belongs, and its expression And so on.

The main design content of the optical imaging module includes the structural implementation design and the optical implementation design. The following first describes the related content of the structural embodiment:

Referring to FIG. 1A, the optical imaging module according to the first preferred embodiment of the present invention mainly includes a circuit component and a lens component. The circuit component includes an image sensing element S and a circuit substrate EB. The maximum value of the minimum side length on the outer periphery of the image sensing element S and on a plane perpendicular to the optical axis is LS, and the image sensing element S In this embodiment, a chip scale package is used to fix the circuit substrate EB. More specifically, the circuit substrate EB has a plurality of circuit contacts EP, and the image sensing element has a first A surface S1 and a second surface S2. The first surface S1 faces the circuit substrate EB and has a plurality of image contact points IP. The image contact points are respectively provided with a signal conducting element SC1, and the signal conducting elements SC1 and The circuit contacts EP on the circuit substrate EB are connected, so that the image contacts IP are electrically connected to the corresponding circuit contacts EP through the signal conducting element SC1 provided thereon. The second surface S2 has a sensing surface. In this embodiment, each of the signal conducting elements SC1 is a solder ball. In this way, after the image light signal is measured by the sensing surface of the image sensing element S and converted into an electrical signal, the electrical signal can be output to the circuit through the image contact IP and the signal conducting elements SC1. The contact EP allows the circuit board EB to conduct the electrical signal to other external components for subsequent processing.

The lens assembly includes a lens base LB1, a lens group L, and an infrared filter IR1. In this embodiment, the lens base LB1 is made of plastic material without translucency, and includes a lens holder LH1 and a lens barrel B1. More specifically, the lens holder LH1 has a predetermined wall thickness TH1, and the maximum value of the minimum side length on the outer periphery of the lens holder LH1 and on a plane perpendicular to the optical axis is represented by PhiD. In addition, the lens holder LH1 has a through hole DH1 penetrating below the two ends of the lens holder LH1 and appears hollow, and the lens holder LH1 is fixed on the circuit substrate EB and the image sensing element S is located in the lower channel. Hole DH1. The lens barrel B1 has a predetermined wall thickness TH2 and a maximum diameter on a plane whose outer periphery is perpendicular to the optical axis is PhiC. In addition, the lens barrel B1 is disposed in the lens holder LH1 and is located in the lower through hole DH1, and the lens barrel B1 has a through hole UH1 passing through both ends of the lens barrel B1, so that the upper through hole UH1 The lower through hole DH1 communicates with each other to form a receiving hole, and the upper hole UH1 on the lens barrel is directly facing the sensing surface of the image sensing element S.

The lens group L includes at least two lenses having refractive power, and detailed optical design thereof will be described later. The lens group L is disposed on the lens barrel B1 of the lens base LB1 and is located in the upper through hole UH1. In addition, the imaging surface of the lens group L is located on the sensing surface of the image sensing element S, and the optical axis of the lens group L and the center normal of the sensing surface overlap so that light can pass through the accommodation hole. The lens group L is projected onto a sensing surface of the image sensing element S. In addition, the maximum diameter of the image side of the lens group L closest to the imaging surface is represented by PhiB, and the maximum effective diameter of the image side of the lens group L closest to the imaging surface (that is, image space) (also known as (Optical exit pupil) is represented by PhiA.

The infrared filter IR1 is fixed on the lens holder LH1 of the lens base LB1 and is located between the lens group L and the image sensing element S, so as to filter out excess light in the image light passing through the lens group L. Infrared to enhance imaging quality.

It is worth mentioning that, in order to achieve the effect that the optical axis of the lens group L overlaps with the center normal of the sensing surface of the image sensing element S, the optical imaging module of this embodiment is designed on the outer side of the lens barrel B1 The lens holder LH1 does not fully touch the inner periphery of the lens holder, leaving a slight gap. Therefore, the lens holder LH1 and the lens barrel B1 can be coated with curable glue in advance, and the optical axis of the lens group L and the image sense can be adjusted at the same time. The center normals of the measuring elements S are overlapped, and then the curable glue is cured to fix the lens barrel B1 to the lens holder LH1, that is, so-called active alignment assembly is performed. At present, the more sophisticated optical imaging modules or special applications (such as the assembly of multiple lenses) need to use active alignment technology, and the optical imaging modules of this creation can meet this demand.

In order to achieve the effect of miniaturization and high optical quality, the PhiA of this embodiment satisfies the following conditions: 0 mm <PhiA ≦ 17.4 mm, preferably can satisfy the following conditions: 0 mm <PhiA ≦ 13.5 mm; PhiC satisfies the following conditions: 0 mm <PhiC ≦ 17.7 mm, preferably can satisfy the following conditions: 0 mm <PhiC ≦ 14 mm; PhiD meets the following conditions: 0 mm <PhiD ≦ 18 mm, preferably can satisfy the following conditions: 0 mm <PhiD ≦ 15 mm; TH1 satisfies the following conditions: 0 mm <TH1 ≦ 5 mm, preferably satisfies the following conditions: 0 mm <≦ TH1 ≦ 0.5 mm; TH2 satisfies the following conditions: 0 mm <TH2 ≦ 5 mm, preferably satisfies The following conditions: 0 mm <TH2 ≦ 0.5 mm; PhiA / PhiD satisfies the following conditions: 0 <PhiA / PhiD ≦ 0.99, preferably can satisfy the following conditions: 0 <PhiA / PhiD ≦ 0.97; TH1 + TH2 satisfies the following conditions: 0 mm ＜ TH1 + TH2 ≦ 1.5mm, preferably can satisfy the following conditions: 0 mm ＜ TH1 + TH2 ≦ 1 mm; 2 times (TH1 + TH2) / PhiA meets the following conditions: 0 <2 times (TH1 + TH2) / PhiA ≦ 0.95, preferably satisfies the following conditions: 0 <2 times (TH1 + TH2) /PhiA≦0.5.

In addition to the structure of the above-mentioned optical imaging module, please refer to FIG. 1B to FIG. 1G. This is the creation of the second to fifth preferred structural embodiment to the optical imaging module of the fifth preferred structural embodiment. The optical imaging module of the preferred embodiment has some differences, but it can also achieve the effects of miniaturization and high optical quality.

Please refer to FIG. 1B, which is the optical imaging module of the second preferred structural embodiment of the creation. The same points as the first preferred structural embodiment will not be repeated, and the difference lies in the outer peripheral wall of the lens barrel B2. It has an external thread OT2, and the lens holder LH2 has an internal thread IT2 on the wall of the lower through hole DH2 to be screwed with the external thread OT2, thereby achieving the effect that the lens barrel B2 is fixedly disposed in the lens holder LH2. In addition, the infrared filter IR2 is fixed in the lens barrel B2 to achieve the purpose of filtering infrared rays. In addition, the optical imaging module of the second preferred structural embodiment of the present invention also satisfies the conditional expression described in the first structural embodiment, and can also achieve the effects of miniaturization and high optical quality.

Please refer to FIG. 1C, which is the optical imaging module of the third preferred structural embodiment of the creation. The same points as the first preferred structural embodiment will not be repeated, and the difference lies in that the lens base LB3 is integrated. It is made by the molding method, and it is no longer distinguished into a lens barrel and a lens holder, so that the effect of reducing the time for making and assembling parts can be achieved. In addition, the maximum value of the minimum side length on the outer periphery of the lens base LB3 and on a plane perpendicular to the optical axis is represented by PhiD.

In addition, the optical imaging module of this embodiment also satisfies the following conditions: PhiA satisfies the following conditions: 0 mm <PhiA ≦ 17.4 mm, and preferably satisfies the following conditions: 0 mm <PhiA ≦ 13.5 mm; PhiD satisfies the following conditions: 0 mm <PhiD ≦ 18 mm, preferably meets the following conditions: 0 mm <PhiD ≦ 15 mm; PhiA / PhiD satisfies the following conditions: 0 <PhiA / PhiD ≦ 0.99, preferably satisfies the following conditions: 0 <PhiA / PhiD ≦ 0.97; TH1 + TH2 satisfies the following conditions: 0 mm <TH1 + TH2 ≦ 1.5mm, preferably satisfies the following conditions: 0 mm <TH1 + TH2 ≦ 1 mm; 2 times (TH1 + TH2) / PhiA meets the following Conditions: 0 <2 times (TH1 + TH2) /PhiA≦0.95, preferably satisfy the following conditions: 0 <2 times (TH1 + TH2) /PhiA≦0.5. It can be known from the foregoing that the optical imaging module of the third preferred structural embodiment of the present invention satisfies some of the conditional expressions described in the first structural embodiment, and can also achieve the effects of miniaturization and high imaging quality.

Please refer to FIG. 1D, which is an optical imaging module of the fourth preferred structural embodiment of the creation. The same points as the first preferred structural embodiment will not be repeated, and the difference is that the lens base LB4 includes a filter A light lens holder IRH4, a lens holder LH4, and a lens barrel B4. The filter holder IRH4 has a filter through hole IH penetrating through both ends of the filter holder IRH4, and the filter holder IRH4 is disposed on the circuit substrate EB, and the infrared filter IR4 is disposed on the filter holder IRH4. The filter holder IRH4 is located in the filter through hole IH, so that the infrared filter IR4 is located above the image sensing element S. The lens holder LH4 is fixed on the filter holder IRH4, and the lens barrel B4 is also disposed in the lens holder LH4, so that the through hole UH4 above the lens barrel B4, the through hole DH4 below the lens holder LH4, and The filter through holes IH of the filter holder IRH4 communicate with each other to form a receiving hole together. In addition, the optical imaging module of the fourth preferred structural embodiment of the present invention also satisfies the conditional formula described in the first structural embodiment, and can also be assembled by active alignment through adhesive fixation, which can also be the same. To achieve the effect of miniaturization and high optical quality.

Please refer to FIG. 1E, which is an optical imaging module of the fifth preferred structural embodiment of the present invention. The same points as the fourth preferred structural embodiment will not be repeated, and the difference lies in the outer peripheral wall of the lens barrel B5. It has an external thread OT5, and the lens holder LH5 has an internal thread IT5 on the wall of the lower through hole DH5 and is screwed with the external thread OT5, so that the lens barrel B5 is set in the lens holder LH5 and fixed to the lower channel. Effect within hole DH5. In addition, the optical imaging module of the fifth preferred structural embodiment of the present invention also satisfies the conditional formula described in the first structural embodiment, and can also achieve the effects of miniaturization and high optical quality.

Of course, in actual implementation, in addition to the aforementioned solder balls, the signal conducting elements of this creation can also use bumps, pins, or groups of conductors made of conductors to achieve the purpose of transmitting electrical signals.

In addition, in addition to the implementation of each of the above-mentioned structures, the following is a description of feasible optical embodiments of the lens group L. The optical imaging module in this creation can be designed using three working wavelengths, which are 486.1 nm, 587.5 nm, and 656.2 nm, of which 587.5 nm is the main reference wavelength and the reference wavelength for the main extraction technology features. The optical imaging module can also be designed with five working wavelengths: 470 nm, 510 nm, 555 nm, 610 nm, and 650 nm, of which 555 nm is the main reference wavelength and the reference wavelength for the main extraction technology features.

The ratio of the focal length f of the optical imaging module to the focal length fp of each lens with a positive refractive power PPR, the ratio of the focal length f of the optical imaging module to the focal length fn of each lens with a negative refractive power NPR, all positive refractive powers The total PPR of the lens is ΣPPR, and the total NPR of all lenses with negative refractive power is ΣNPR. It helps to control the total refractive power and total length of the optical imaging module when the following conditions are met: 0.5 ≦ ΣPPR / │ΣNPR│ ≦ 15 , Preferably, the following conditions can be satisfied: 1 ≦ ΣPPR / │ΣNPR│ ≦ 3.0.

The optical imaging module may further include an image sensing element disposed on the imaging surface. The half of the diagonal length of the effective sensing area of the image sensing element (that is, the imaging height or maximum image height of the optical imaging module) is HOI, and the distance from the object side of the first lens to the imaging surface on the optical axis is HOS. It satisfies the following conditions: HOS / HOI ≦ 50; and 0.5 ≦ HOS / f ≦ 150. Preferably, the following conditions can be satisfied: 1 ≦ HOS / HOI ≦ 40; and 1 ≦ HOS / f ≦ 140. Thereby, the miniaturization of the optical imaging module can be maintained to be mounted on a thin and light portable electronic product.

In addition, in the creative optical imaging module, at least one aperture can be set as required to reduce stray light and help improve image quality.

In the optical imaging module of this creation, the aperture configuration can be a front aperture or a middle aperture. The front aperture means that the aperture is set between the subject and the first lens, and the middle aperture means that the aperture is set on the first lens. And imaging surface. If the aperture is a front aperture, it can make the exit pupil of the optical imaging module and the imaging surface have a longer distance to accommodate more optical elements, and increase the efficiency of the image sensing element to receive images; if it is a middle aperture, The system helps to expand the field of view of the system, giving the optical imaging module the advantages of a wide-angle lens. The distance from the aforementioned aperture to the imaging surface is InS, which satisfies the following conditions: 0.1 ≦ InS / HOS ≦ 1.1. Thereby, both the miniaturization of the optical imaging module and the characteristics of having a wide angle can be achieved at the same time.

In the created optical imaging module, the distance between the object side of the first lens and the image side of the sixth lens is InTL, and the sum of the thicknesses of all refractive lenses on the optical axis is ΣTP. Therefore, when it meets the following conditions : 0.1 ≦ ΣTP / InTL ≦ 0.9, which can simultaneously take into account the contrast of system imaging and the yield of lens manufacturing and provide an appropriate back focus to accommodate other components. In addition, it satisfies the following conditions: 0.1 ≦ InTL / HOS ≦ 0.95, which can maintain the miniaturization of the optical imaging module to be mounted on thin and light portable electronic products.

The longest working wavelength of the visible light of the positive meridional fan of the optical imaging module passes through the edge of the entrance pupil and is incident on the imaging surface at 0.7HOI. The lateral aberration is represented by PLTA; the positive meridian of the optical imaging module The shortest working wavelength of the visible light of the fan passes through the edge of the entrance pupil and is incident on the imaging plane at 0.7HOI. The lateral aberration is represented by PSTA. The longest working wavelength of the visible light of the negative meridional fan of the optical imaging module passes through the edge of the entrance pupil and is incident on the imaging plane at 0.7HOI. The lateral aberration is represented by NLTA; the negative meridian of the optical imaging module The shortest working wavelength of the visible light of the optical fan passes through the edge of the entrance pupil and the transverse aberration at 0.7HOI incident on the imaging plane is represented by NSTA; the longest working wavelength of the visible light of the sagittal plane fan of the optical imaging module passes through the edge of the incident pupil The lateral aberration at 0.7HOI incident on the imaging plane is represented by SLTA; the shortest working wavelength of the visible light of the sagittal plane fan of the optical imaging module passes through the edge of the entrance pupil and is incident on the imaging plane at 0.7HOI transverse The aberration is represented by SSTA. In addition, when it meets the following conditions: PLTA ≦ 100 μm; PSTA ≦ 100 μm; NLTA ≦ 100 μm; NSTA ≦ 100 μm; SLTA ≦ 100 μm; SSTA ≦ 100 μm, it has better imaging results.

The curvature radius of the object side of the first lens is R1, and the curvature radius of the image side of the first lens is R2, which satisfies the following conditions: 0.001 ≦ │R1 / R2│ ≦ 25. Thereby, the first lens has an appropriate positive refractive power strength, and avoids an increase in spherical aberration from overspeed. Preferably, the following conditions can be satisfied: 0.01 ≦ │R1 / R2│ <12.

The curvature radius of the object side of the sixth lens is R11, and the curvature radius of the image side of the sixth lens is R12, which satisfies the following conditions: -7 <(R11-R12) / (R11 + R12) <50. This is beneficial for correcting astigmatism generated by the optical imaging module.

The distance between the first lens and the second lens on the optical axis is IN12, which satisfies the following conditions: IN12 / f ≦ 60. This helps to improve the chromatic aberration of the lens and improve its performance.

The distance between the fifth lens and the sixth lens on the optical axis is IN56, which satisfies the following conditions: IN56 / f ≦ 3.0, which helps to improve the chromatic aberration of the lens to improve its performance.

The thicknesses of the first lens and the second lens on the optical axis are respectively TP1 and TP2, which satisfy the following conditions: 0.1 ≦ (TP1 + IN12) / TP2 ≦ 10. This helps to control the sensitivity of the optical imaging module manufacturing and improve its performance.

The thicknesses of the fifth lens and the sixth lens on the optical axis are TP5 and TP6, respectively. The distance between the two lenses on the optical axis is IN56, which satisfies the following conditions: 0.1 ≦ (TP6 + IN56) / TP5 ≦ 15. , Which helps control the sensitivity of optical imaging module manufacturing and reduce the overall system height.

The thicknesses of the second lens, the third lens, and the fourth lens on the optical axis are TP2, TP3, and TP4. The distance between the second lens and the third lens on the optical axis is IN23. The third lens and the fourth lens are on the optical axis. The separation distance on the optical axis is IN45, and the distance from the object side of the first lens to the image side of the sixth lens is InTL, which satisfies the following conditions: 0.1 ≦ TP4 / (IN34 + TP4 + IN45) <1. This helps the layers to slightly correct the aberrations generated by the incident light and reduces the overall system height.

In the created optical imaging module, the vertical distance between the critical point C61 of the sixth lens object side and the optical axis is HVT61, the vertical distance between the critical point C62 of the sixth lens image side and the optical axis is HVT62, and the sixth lens object side The horizontal displacement distance from the intersection point on the optical axis to the critical point C61 on the optical axis is SGC61, and the horizontal displacement distance from the intersection point on the optical axis of the sixth lens image side to the critical point C62 on the optical axis is SGC62, which can meet the following Conditions: 0 mm ≦ HVT61 ≦ 3 mm; 0 mm <HVT62 ≦ 6 mm; 0 ≦ HVT61 / HVT62; 0 mm ≦ ∣SGC61∣ ≦ 0.5 mm; 0 mm <∣SGC62∣ ≦ 2 mm; and 0 <∣SGC62∣ /(∣SGC62∣+TP6)≦0.9. This can effectively correct aberrations in the off-axis field of view.

The optical imaging module of this creation meets the following conditions: 0.2 ≦ HVT62 / HOI ≦ 0.9. Preferably, the following conditions can be satisfied: 0.3 ≦ HVT62 / HOI ≦ 0.8. This is helpful for aberration correction of the peripheral field of view of the optical imaging module.

The optical imaging module of this creation meets the following conditions: 0 ≦ HVT62 / HOS ≦ 0.5. Preferably, the following conditions can be satisfied: 0.2 ≦ HVT62 / HOS ≦ 0.45. This is helpful for aberration correction of the peripheral field of view of the optical imaging module.

In this creative optical imaging module, the horizontal displacement distance parallel to the optical axis between the intersection point of the sixth lens object side on the optical axis and the closest optical axis inflection point on the sixth lens object side is represented by SGI611. The horizontal displacement distance parallel to the optical axis between the intersection point of the mirror image side on the optical axis and the closest optical axis of the sixth lens image side is represented by SGI621, which satisfies the following conditions: 0 <SGI611 / (SGI611 + TP6) ≦ 0.9; 0 <SGI621 / (SGI621 + TP6) ≦ 0.9. Preferably, the following conditions can be satisfied: 0.1 ≦ SGI611 / (SGI611 + TP6) ≦ 0.6; 0.1 ≦ SGI621 / (SGI621 + TP6) ≦ 0.6.

The horizontal displacement distance parallel to the optical axis between the intersection of the object side of the sixth lens on the optical axis and the second curved point near the optical axis of the object side of the sixth lens is represented by SGI612. The image side of the sixth lens on the optical axis The horizontal displacement distance parallel to the optical axis between the intersection point and the second curved optical axis of the sixth lens image side parallel to the optical axis is represented by SGI622, which satisfies the following conditions: 0 <SGI612 / (SGI612 + TP6) ≦ 0.9; 0 <SGI622 / (SGI622 + TP6) ≦ 0.9. Preferably, the following conditions can be satisfied: 0.1 ≦ SGI612 / (SGI612 + TP6) ≦ 0.6; 0.1 ≦ SGI622 / (SGI622 + TP6) ≦ 0.6.

The vertical distance between the inflection point of the closest optical axis of the sixth lens object side and the optical axis is represented by HIF611. The intersection of the sixth lens image side on the optical axis to the closest optical axis of the sixth lens image side and the inflection point of the optical axis The vertical distance between them is represented by HIF621, which meets the following conditions: 0.001 mm ≦ │HIF611∣ ≦ 5 mm; 0.001 mm ≦ │HIF621∣ ≦ 5 mm. Preferably, the following conditions can be satisfied: 0.1 mm ≦ │HIF611∣ ≦ 3.5 mm; 1.5 mm ≦ │HIF621∣ ≦ 3.5 mm.

The vertical distance between the second curved point closest to the optical axis and the optical axis of the sixth lens object side is represented by HIF612. The intersection of the sixth lens image side on the optical axis to the sixth lens image side second curve near the optical axis The vertical distance between the point and the optical axis is represented by HIF622, which meets the following conditions: 0.001 mm ≦ │HIF612IF ≦ 5 mm; 0.001 mm ≦ │HIF622∣ ≦ 5 mm. Preferably, the following conditions can be satisfied: 0.1 mm ≦ │HIF622∣ ≦ 3.5 mm; 0.1 mm ≦ │HIF612∣ ≦ 3.5 mm.

The vertical distance between the inflection point of the sixth lens object side close to the optical axis and the optical axis is represented by HIF613. The intersection of the sixth lens image side on the optical axis to the third lens image side third inflection near the optical axis The vertical distance between the point and the optical axis is represented by HIF623, which satisfies the following conditions: 0.001 mm ≦ │HIF613∣ ≦ 5 mm; 0.001 mm ≦ │HIF623∣ ≦ 5 mm. Preferably, the following conditions can be satisfied: 0.1 mm ≦ │HIF623∣ ≦ 3.5 mm; 0.1 mm ≦ │HIF613∣ ≦ 3.5 mm.

The vertical distance between the inflection point of the sixth lens object side close to the optical axis and the optical axis is represented by HIF614. The intersection of the sixth lens image side on the optical axis to the fourth lens image side is the fourth curve close to the optical axis. The vertical distance between the point and the optical axis is represented by HIF624, which meets the following conditions: 0.001 mm ≦ │HIF614∣ ≦ 5 mm; 0.001 mm ≦ │HIF624∣ ≦ 5 mm. Preferably, the following conditions can be satisfied: 0.1 mm ≦ │HIF624∣ ≦ 3.5 mm; 0.1 mm ≦ │HIF614∣ ≦ 3.5 mm.

In the optical imaging module of this creation, (TH1 + TH2) / HOI satisfies the following conditions: 0 <(TH1 + TH2) / HOI ≦ 0.95, and preferably satisfies the following conditions: 0 <(TH1 + TH2) / HOI ≦ 0.5; (TH1 + TH2) / HOS satisfies the following conditions: 0 <(TH1 + TH2) /HOS≦0.95, and preferably satisfies the following conditions: 0 <(TH1 + TH2) /HOS≦0.5; 2 times (TH1 + TH2) / PhiA satisfies the following conditions: 0 <2 times (TH1 + TH2) /PhiA≦0.95, and preferably satisfies the following conditions: 0 <2 times (TH1 + TH2) /PhiA≦0.5.

An embodiment of the optical imaging module of the present invention can help stagger the chromatic aberration of the optical imaging module by staggering the lenses with high dispersion coefficient and low dispersion coefficient.

The equation of the above aspheric surface is: z = ch ² /[1+[1(k+1)c2h2]0.5]+A4h ⁴ + A6h ⁶ + A8h ⁸ + A10h ¹⁰ + A12h ¹² + A14h ¹⁴ + A16h ¹⁶ + A18h ¹⁸ + A20h ²⁰ +… (1)

Among them, z is the position value with the surface vertex as the reference at the position of height h along the optical axis direction, k is the cone surface coefficient, c is the inverse of the radius of curvature, and A4, A6, A8, A10, A12, A14, A16 , A18 and A20 are high-order aspheric coefficients.

In the optical imaging module provided by this creation, the material of the lens can be plastic or glass. When the lens is made of plastic, it can effectively reduce production costs and weight. In addition, when the material of the lens is glass, the thermal effect can be controlled and the design space of the refractive power configuration of the optical imaging module can be increased. In addition, the object side and the image side of the first lens to the seventh lens in the optical imaging module can be aspheric, which can obtain more control variables. In addition to reducing aberrations, compared to the use of traditional glass lenses It can even reduce the number of lenses used, so it can effectively reduce the overall height of the creative optical imaging module.

Furthermore, in the optical imaging module provided by this creation, if the lens surface is convex, in principle, the lens surface is convex at the near optical axis; if the lens surface is concave, in principle, the lens surface is at the near optical axis. It is concave.

The optical imaging module of this creation can be applied to the optical system of mobile focusing according to the needs, and has the characteristics of excellent aberration correction and good imaging quality, thereby expanding the application level.

The optical imaging module of this creation may further include a driving module according to requirements. The driving module may be coupled to the lenses and cause the lenses to be displaced. The aforementioned driving module may be a voice coil motor (VCM) for driving the lens to focus, or an optical anti-shake element (OIS) for reducing the frequency of out-of-focus caused by lens vibration during shooting.

According to the optical imaging module of this creation, at least one of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, and the seventh lens can be filtered by light having a wavelength less than 500 nm according to the needs. The component can be achieved by coating on at least one surface of the specific lens having a filtering function or the lens itself is made of a material having a short wavelength that can be filtered out.

The imaging surface of the optical imaging module of this creation can be selected as a flat surface or a curved surface as required. When the imaging surface is a curved surface (such as a spherical surface with a radius of curvature), it helps to reduce the incident angle required to focus the light on the imaging surface. In addition to helping to achieve the miniature optical imaging module length (TTL), Contrast is also helpful.

According to the above-mentioned implementation manners, the following describes the first preferred structural embodiment in combination with the following optical embodiments to present specific embodiments and describes them in detail with reference to the drawings. However, in actual implementation, the following optical embodiments can also be applied to other structural embodiments.

First optical embodiment

Please refer to FIG. 2A and FIG. 2B, wherein FIG. 2A shows a schematic diagram of a lens group of an optical imaging module according to the first optical embodiment of the creation, and FIG. 2B is the first optical embodiment in order from left to right Spherical aberration, astigmatism and optical distortion curves of the optical imaging module. It can be seen from FIG. 2A that the optical imaging module includes the first lens 110, the aperture 100, the second lens 120, the third lens 130, the fourth lens 140, the fifth lens 150, and the sixth lens in order from the object side to the image side. 160, an infrared filter 180, an imaging surface 190, and an image sensing element 192.

The first lens 110 has a negative refractive power and is made of plastic. The object side 112 is concave, the image side 114 is concave, and both are aspheric. The object side 112 has two inflection points. The length of the contour curve of the maximum effective radius on the object side of the first lens is represented by ARS11, and the length of the contour curve of the maximum effective radius of the image side of the first lens is represented by ARS12. The length of the contour curve of the 1/2 incident pupil diameter (HEP) on the object side of the first lens is represented by ARE11, and the length of the contour curve of the 1/2 incidence pupil diameter (HEP) of the first lens image side is represented by ARE12. The thickness of the first lens on the optical axis is TP1.

The horizontal displacement distance parallel to the optical axis between the intersection point of the object side surface 112 of the first lens 110 on the optical axis and the closest optical axis inflection point of the object side surface 112 of the first lens 110 is represented by SGI111. The horizontal displacement distance parallel to the optical axis between the intersection point on the optical axis and the inflection point of the closest optical axis of the image side 114 of the first lens 110 is represented by SGI121, which satisfies the following conditions: SGI111 = -0.0031 mm; ∣SGI111∣ / ( (SGI111∣ + TP1) = 0.0016.

The horizontal displacement distance parallel to the optical axis between the intersection of the object side 112 of the first lens 110 on the optical axis and the second curved point near the object side 112 of the first lens 110 is parallel to the optical axis. The horizontal displacement distance parallel to the optical axis between the intersection point of 114 on the optical axis to the first lens 110 image side 114 and the second curved point close to the optical axis is represented by SGI122, which meets the following conditions: SGI112 = 1.3178 mm; ∣SGI112 ∣ / (∣SGI112∣ + TP1) = 0.4052.

The vertical distance between the inflection point of the closest optical axis of the object side surface 112 of the first lens 110 and the optical axis is represented by HIF111. The intersection of the image side 114 of the first lens 110 on the optical axis to the closest optical axis of the image side 114 of the first lens 110 The vertical distance between the inflection point and the optical axis is represented by HIF121, which satisfies the following conditions: HIF111 = 0.5557 mm; HIF111 / HOI = 0.1111.

The vertical distance between the inflection point of the second lens object 110 near the optical axis and the optical axis is represented by HIF112. The intersection of the first lens 110 image side 114 on the optical axis to the first lens 110 image side 114 second The vertical distance between the inflection point near the optical axis and the optical axis is represented by HIF122, which meets the following conditions: HIF112 = 5.3732 mm; HIF112 / HOI = 1.0746.

The second lens 120 has a positive refractive power and is made of plastic. The object side surface 122 is convex, the image side surface 124 is convex, and both are aspheric. The object side surface 122 has an inflection point. The length of the contour curve of the maximum effective radius on the object side of the second lens is represented by ARS21, and the length of the contour curve of the maximum effective radius of the image side of the second lens is represented by ARS22. The length of the profile curve of 1/2 incident pupil diameter (HEP) on the object side of the second lens is represented by ARE21, and the length of the profile curve of 1/2 incident pupil diameter (HEP) on the image side of the second lens is represented by ARE22. The thickness of the second lens on the optical axis is TP2.

The horizontal displacement distance parallel to the optical axis between the intersection of the object side 122 of the second lens 120 on the optical axis and the closest optical axis of the object side 122 of the second lens 120 is represented by SGI211. The horizontal displacement distance parallel to the optical axis between the intersection point on the optical axis and the inflection point of the closest optical axis of the second lens 120 image side 124 is represented by SGI221, which meets the following conditions: SGI211 = 0.1069 mm; ∣SGI211∣ / (∣ SGI211∣ + TP2) = 0.0412; SGI221 = 0 mm; ∣SGI221∣ / (∣SGI221∣ + TP2) = 0.

The vertical distance between the inflection point of the closest optical axis of the object side 122 of the second lens 120 and the optical axis is represented by HIF211. The intersection of the image side 124 of the second lens 120 on the optical axis to the closest optical axis of the image side 124 of the second lens 120 The vertical distance between the inflection point and the optical axis is represented by HIF221, which satisfies the following conditions: HIF211 = 1.1264 mm; HIF211 / HOI = 0.2253; HIF221 = 0 mm; HIF221 / HOI = 0.

The third lens 130 has a negative refractive power and is made of plastic. Its object side surface 132 is concave, its image side surface 134 is convex, and both are aspheric. The object side surface 132 and the image side surface 134 have an inflection point. The length of the contour curve of the maximum effective radius on the object side of the third lens is represented by ARS31, and the length of the contour curve of the maximum effective radius of the image side of the third lens is represented by ARS32. The length of the contour curve of 1/2 incident pupil diameter (HEP) on the object side of the third lens is represented by ARE31, and the length of the contour curve of 1/2 incident pupil diameter (HEP) on the image side of the third lens is represented by ARE32. The thickness of the third lens on the optical axis is TP3.

The horizontal displacement distance parallel to the optical axis between the intersection of the object side 132 of the third lens 130 on the optical axis and the closest optical axis of the object side 132 of the third lens 130 is represented by SGI311. The horizontal displacement distance from the intersection point on the optical axis to the inflection point of the closest optical axis of the third lens 130 image side 134 parallel to the optical axis is represented by SGI321, which satisfies the following conditions: SGI311 = -0.3041 mm; ∣SGI311∣ / ( (∣SGI311∣ + TP3) = 0.4445; SGI321 = -0.1172 mm; ∣SGI321∣ / (∣SGI321∣ + TP3) = 0.2357.

The vertical distance between the inflection point of the closest optical axis of the object side surface 132 of the third lens 130 and the optical axis is represented by HIF311. The intersection of the image side 134 of the third lens 130 on the optical axis to the closest optical axis of the image side 134 of the third lens 130 The vertical distance between the inflection point and the optical axis is represented by HIF321, which satisfies the following conditions: HIF311 = 1.5907 mm; HIF311 / HOI = 0.3181; HIF321 = 1.3380 mm; HIF321 / HOI = 0.2676.

The fourth lens 140 has a positive refractive power and is made of plastic. Its object side 142 is convex, its image side 144 is concave and both are aspheric, and its object side 142 has two inflection points and the image side 144 has a Inflection point. The length of the contour curve of the maximum effective radius on the object side of the fourth lens is represented by ARS41, and the length of the contour curve of the maximum effective radius of the image side of the fourth lens is represented by ARS42. The length of the contour curve of the 1/2 incident pupil diameter (HEP) on the object side of the fourth lens is represented by ARE41, and the length of the contour curve of the 1/2 incidence pupil diameter (HEP) of the fourth lens image side is represented by ARE42. The thickness of the fourth lens on the optical axis is TP4.

The horizontal displacement distance parallel to the optical axis between the intersection of the object side 142 of the fourth lens 140 on the optical axis and the closest optical axis inflection point of the object side 142 of the fourth lens 140 is represented by SGI411. The horizontal displacement distance parallel to the optical axis between the intersection point on the optical axis and the inflection point of the closest optical axis of the fourth lens 140 image side 144 is represented by SGI421, which satisfies the following conditions: SGI411 = 0.0070 mm; ∣SGI411∣ / (∣ SGI411∣ + TP4) = 0.0056; SGI421 = 0.0006 mm; ∣SGI421∣ / (∣SGI421∣ + TP4) = 0.0005.

The horizontal displacement distance parallel to the optical axis between the intersection of the object side 142 of the fourth lens 140 on the optical axis and the second inflection point of the object side 142 of the fourth lens 140 near the optical axis is represented by SGI412. The fourth lens 140 is like a side The horizontal displacement distance between the intersection of 144 on the optical axis to the fourth lens 140 image side 144 and the second curved point close to the optical axis is parallel to the optical axis as SGI422, which meets the following conditions: SGI412 = -0.2078 mm; ∣ SGI412∣ / (∣SGI412∣ + TP4) = 0.1439.

The vertical distance between the inflection point of the closest optical axis of the fourth lens 140 object side 142 and the optical axis is represented by HIF411. The intersection of the fourth lens 140 image side 144 on the optical axis to the fourth lens 140 image side 144 nearest the optical axis. The vertical distance between the inflection point and the optical axis is represented by HIF421, which satisfies the following conditions: HIF411 = 0.4706 mm; HIF411 / HOI = 0.0941; HIF421 = 0.1721 mm; HIF421 / HOI = 0.0344.

The vertical distance between the second curved surface of the object side 142 of the fourth lens 140 near the optical axis and the optical axis is represented by HIF412. The intersection of the fourth lens 140 image side 144 on the optical axis to the fourth lens 140 image side 144 second The vertical distance between the inflection point near the optical axis and the optical axis is represented by HIF422, which meets the following conditions: HIF412 = 2.0421 mm; HIF412 / HOI = 0.4084.

The fifth lens 150 has a positive refractive power and is made of plastic. Its object side 152 is convex, its image side 154 is convex, and both are aspheric. The object side 152 has two inflection points and the image side 154 has a Inflection point. The length of the contour curve of the maximum effective radius on the object side of the fifth lens is represented by ARS51, and the length of the contour curve of the maximum effective radius of the image side of the fifth lens is represented by ARS52. The contour curve length of 1/2 incident pupil diameter (HEP) on the object side of the fifth lens is represented by ARE51, and the contour curve length of 1/2 incident pupil diameter (HEP) on the image side of the fifth lens is represented by ARE52. The thickness of the fifth lens on the optical axis is TP5.

The horizontal displacement distance between the intersection of the object side surface 152 of the fifth lens 150 on the optical axis and the closest optical axis inflection point of the object side 152 of the fifth lens 150 is parallel to the optical axis as SGI511. The fifth lens 150 is like the side surface 154 at The horizontal displacement distance parallel to the optical axis between the intersection point on the optical axis and the inflection point of the closest optical axis of the image side 154 of the fifth lens 150 is represented by SGI521, which satisfies the following conditions: SGI511 = 0.00364 mm; ∣SGI511∣ / (∣ SGI511∣ + TP5) = 0.00338; SGI521 = -0.63365 mm; ∣SGI521∣ / (∣SGI521∣ + TP5) = 0.37154.

The horizontal displacement distance between the intersection of the object side surface 152 of the fifth lens 150 on the optical axis and the second inflection point of the object side 152 of the fifth lens 150 close to the optical axis is parallel to the optical axis as SGI512. The fifth lens 150 is like a side The horizontal displacement distance parallel to the optical axis between the intersection of 154 on the optical axis to the fifth lens 150 image side 154 and the second curved point close to the optical axis is represented by SGI522, which satisfies the following conditions: SGI512 = -0.32032 mm; ∣ SGI512∣ / (∣SGI512∣ + TP5) = 0.23009.

The horizontal displacement distance parallel to the optical axis between the intersection of the object side 152 of the fifth lens 150 on the optical axis and the third inflection point of the object side 152 of the fifth lens 150 near the optical axis is represented by SGI513. The fifth lens 150 is like a side The horizontal displacement distance parallel to the optical axis between the intersection of 154 on the optical axis to the fifth lens 150 image side 154 and the third curved point near the optical axis is represented by SGI523, which satisfies the following conditions: SGI513 = 0 mm; ∣SGI513 ∣ / (∣SGI513∣ + TP5) = 0; SGI523 = 0 mm; ∣SGI523∣ / (∣SGI523∣ + TP5) = 0.

The horizontal displacement distance between the intersection of the object side surface 152 of the fifth lens 150 on the optical axis and the fourth inflection point of the object side 152 of the fifth lens 150 close to the optical axis is parallel to the optical axis as SGI514. The fifth lens 150 is like a side The horizontal displacement distance parallel to the optical axis between the intersection point of 154 on the optical axis and the fifth lens 150 image side 154, the fourth inflection point close to the optical axis, is represented by SGI524, which satisfies the following conditions: SGI514 = 0 mm; ∣SGI514 ∣ / (∣SGI514∣ + TP5) = 0; SGI524 = 0 mm; ∣SGI524∣ / (∣SGI524∣ + TP5) = 0.

The vertical distance between the inflection point of the closest optical axis of the object side 152 of the fifth lens 150 and the optical axis is represented by HIF511, and the vertical distance between the inflection point of the closest optical axis of the fifth lens 150 and the side of the image 154 and the optical axis is represented by HIF521. It meets the following conditions: HIF511 = 0.28212 mm; HIF511 / HOI = 0.05642; HIF521 = 2.13850 mm; HIF521 / HOI = 0.42770.

The vertical distance between the second inflection point of the fifth lens 150 near the optical axis and the optical axis is represented by HIF512, and the fifth lens 150 is the vertical distance between the second inflection point of the fifth lens 150 near the optical axis and the optical axis. By HIF522, it meets the following conditions: HIF512 = 2.51384 mm; HIF512 / HOI = 0.50277.

The vertical distance between the inflection point of the fifth side of the object 150 on the fifth lens 150 and the optical axis is represented by HIF513, and the vertical distance between the inflection point of the third side 150 on the side of the optical axis 154 and the optical axis It is represented by HIF523, which satisfies the following conditions: HIF513 = 0 mm; HIF513 / HOI = 0; HIF523 = 0 mm; HIF523 / HOI = 0.

The vertical distance between the fifth inflection point 152 of the fifth lens 150 and the optical axis is indicated by HIF514, and the fifth lens 150 is the vertical distance between the inflection point of the fifth lens 150 and the fourth optical axis in close proximity to the optical axis It is represented by HIF524, which satisfies the following conditions: HIF514 = 0 mm; HIF514 / HOI = 0; HIF524 = 0 mm; HIF524 / HOI = 0.

The sixth lens 160 has a negative refractive power and is made of plastic. Its object side surface 162 is concave, its image side 164 is concave, and its object side 162 has two inflection points and the image side 164 has one inflection point. This can effectively adjust the angle of incidence of each field of view on the sixth lens to improve aberrations. The length of the contour curve of the maximum effective radius on the object side of the sixth lens is represented by ARS61, and the length of the contour curve of the maximum effective radius of the image side of the sixth lens is represented by ARS62. The length of the contour curve of the 1/2 incident pupil diameter (HEP) on the object side of the sixth lens is represented by ARE61, and the length of the contour curve of the 1/2 incidence pupil diameter (HEP) of the sixth lens image side is represented by ARE62. The thickness of the sixth lens on the optical axis is TP6.

The horizontal displacement distance parallel to the optical axis between the intersection of the object side surface 162 of the sixth lens 160 on the optical axis and the closest optical axis inflection point of the object side 162 of the sixth lens 160 is represented by SGI611. The sixth lens 160 is like the side surface 164 at The horizontal displacement distance parallel to the optical axis between the intersection point on the optical axis and the inflection point of the closest optical axis on the image side 164 of the sixth lens 160 is represented by SGI621, which satisfies the following conditions: SGI611 = -0.38558 mm; ∣SGI611∣ / ( (∣SGI611∣ + TP6) = 0.27212; SGI621 = 0.12386 mm; ∣SGI621∣ / (∣SGI621∣ + TP6) = 0.10722.

The horizontal displacement distance between the intersection of the object side surface 162 of the sixth lens 160 on the optical axis and the second inflection point of the object side surface 162 of the sixth lens 160 close to the optical axis is parallel to the optical axis as SGI612. The sixth lens 160 is like a side The horizontal displacement distance between the intersection of 164 on the optical axis to the sixth lens 160 image side 164 and the second inflection point close to the optical axis parallel to the optical axis is represented by SGI621, which satisfies the following conditions: SGI612 = -0.47400 mm; ∣ SGI612∣ / (∣SGI612∣ + TP6) = 0.31488; SGI622 = 0 mm; ∣SGI622∣ / (∣SGI622∣ + TP6) = 0.

The vertical distance between the inflection point of the closest optical axis of the object side surface 162 of the sixth lens 160 and the optical axis is represented by HIF611, and the vertical distance between the inflection point of the closest optical axis of the sixth lens 160 as the side surface 164 and the optical axis is represented by HIF621. It meets the following conditions: HIF611 = 2.24283 mm; HIF611 / HOI = 0.44857; HIF621 = 1.07376 mm; HIF621 / HOI = 0.21475.

The vertical distance between the second inflection point of the sixth lens 160 near the optical axis and the optical axis is represented by HIF612, and the vertical distance between the second inflection point of the sixth lens 160 near the optical axis and the optical axis as the side 164 It is represented by HIF622, which satisfies the following conditions: HIF612 = 2.48895 mm; HIF612 / HOI = 0.49779.

The vertical distance between the third inflection point of the sixth lens 160 near the optical axis and the optical axis is represented by HIF613, and the vertical distance between the third inflection point of the sixth lens 160 and the optical axis near the third optical axis 164 It is represented by HIF623, which satisfies the following conditions: HIF613 = 0 mm; HIF613 / HOI = 0; HIF623 = 0 mm; HIF623 / HOI = 0.

The vertical distance between the fourth inverse curved point of the sixth lens 160 near the optical axis and the optical axis is represented by HIF614, and the vertical distance between the fourth inverse curved point of the sixth lens 160 and the optical axis near the fourth optical axis 164 HIF624 indicates that it meets the following conditions: HIF614 = 0 mm; HIF614 / HOI = 0; HIF624 = 0 mm; HIF624 / HOI = 0.

The infrared filter 180 is made of glass and is disposed between the sixth lens 160 and the imaging surface 190 without affecting the focal length of the optical imaging module.

In the optical imaging module of this embodiment, the focal length of the lens group is f, the entrance pupil diameter is HEP, half of the maximum viewing angle is HAF, and the values are as follows: f = 4.075 mm; f / HEP = 1.4; and HAF = 50.001 Degree and tan (HAF) = 1.1918.

In the lens group of this embodiment, the focal length of the first lens 110 is f1 and the focal length of the sixth lens 160 is f6, which satisfies the following conditions: f1 = -7.828 mm; ∣f / f1│ = 0.52060; f6 = -4.886 ; And │f1│ ＞ │f6│.

In the optical imaging module of this embodiment, the focal lengths of the second lens 120 to the fifth lens 150 are f2, f3, f4, and f5, respectively, which satisfy the following conditions: │f2│ + │f3│ + │f4│ + │f5 │ = 95.50815 mm; ∣f1│ + ∣f6│ = 12.71352 mm and │f2│ + │f3│ + │f4│ + │f5│> ∣f1│ + ∣f6│.

The ratio PPR of the focal length f of the optical imaging module to the focal length fp of each lens with a positive refractive power, and the ratio NPR of the focal length f of the optical imaging module to the focal length fn of each lens with a negative refractive power, NPR. In the optical imaging module, the sum of PPR of all lenses with positive refractive power is ΣPPR = f / f2 + f / f4 + f / f5 = 1.63290, and the sum of NPR of all lenses with negative refractive power is ΣNPR = │f / f1│ + │f / f3│ + │f / f6│ = 1.51305, ΣPPR / │ΣNPR│ = 1.07921. The following conditions are also met: ∣f / f2│ = 0.69101; ∣f / f3│ = 0.15834; ∣f / f4│ = 0.06883; ∣f / f5│ = 0.87305; ∣f / f6│ = 0.83412.

In the optical imaging module of this embodiment, the distance between the object side 112 of the first lens 110 to the image side 164 of the sixth lens 160 is InTL, the distance between the object side 112 of the first lens 110 to the imaging surface 190 is HOS, and the aperture 100 The distance to the imaging surface 180 is InS, half of the diagonal length of the effective sensing area of the image sensing element 192 is HOI, and the distance from the image side 164 of the sixth lens to the imaging surface 190 is BFL, which meets the following conditions: InTL + BFL = HOS; HOS = 19.54120 mm; HOI = 5.0 mm; HOS / HOI = 3.90824; HOS / f = 4.7952; InS = 11.685 mm; and InS / HOS = 0.59794.

In the optical imaging module of this embodiment, the total thickness of all lenses with refractive power on the optical axis is ΣTP, which satisfies the following conditions: ΣTP = 8.13899 mm; and ΣTP / InTL = 0.52477. Thereby, the contrast of the system imaging and the yield of lens manufacturing can be taken into account at the same time, and an appropriate back focus can be provided to accommodate other components.

In the optical imaging module of this embodiment, the curvature radius of the object side 112 of the first lens 110 is R1, and the curvature radius of the image side 114 of the first lens 110 is R2, which satisfies the following conditions: │R1 / R2│ = 8.99987. Thereby, the first lens 110 is provided with an appropriate positive refractive power strength to prevent the spherical aberration from increasing at an excessive speed.

In the optical imaging module of this embodiment, the curvature radius of the object side 162 of the sixth lens 160 is R11, and the curvature radius of the image side 164 of the sixth lens 160 is R12, which satisfies the following conditions: (R11-R12) / (R11 + R12) = 1.27780. This is beneficial for correcting astigmatism generated by the optical imaging module.

In the optical imaging module of this embodiment, the sum of the focal lengths of all lenses with positive refractive power is ΣPP, which satisfies the following conditions: ΣPP = f2 + f4 + f5 = 69.770 mm; and f5 / (f2 + f4 + f5) = 0.067. This helps to properly allocate the positive refractive power of a single lens to other positive lenses, so as to suppress the occurrence of significant aberrations during the traveling of incident light.

In the optical imaging module of this embodiment, the total focal length of all lenses with negative refractive power is ΣNP, which satisfies the following conditions: ΣNP = f1 + f3 + f6 = -38.451 mm; and f6 / (f1 + f3 + f6) = 0.127. Therefore, it is helpful to appropriately allocate the negative refractive power of the sixth lens 160 to other negative lenses, so as to suppress the occurrence of significant aberrations during the traveling process of incident light.

In the optical imaging module of this embodiment, the distance between the first lens 110 and the second lens 120 on the optical axis is IN12, which satisfies the following conditions: IN12 = 6.418 mm; IN12 / f = 1.57491. This helps to improve the chromatic aberration of the lens to improve its performance.

In the optical imaging module of this embodiment, the distance between the fifth lens 150 and the sixth lens 160 on the optical axis is IN56, which satisfies the following conditions: IN56 = 0.025 mm; IN56 / f = 0.00613. This helps to improve the chromatic aberration of the lens to improve its performance.

In the optical imaging module of this embodiment, the thicknesses of the first lens 110 and the second lens 120 on the optical axis are TP1 and TP2, respectively, which satisfy the following conditions: TP1 = 1.934 mm; TP2 = 2.486 mm; and (TP1 + IN12) / TP2 = 3.36005. This helps to control the sensitivity of the optical imaging module manufacturing and improve its performance.

In the optical imaging module of this embodiment, the thicknesses of the fifth lens 150 and the sixth lens 160 on the optical axis are TP5 and TP6, respectively. The distance between the two lenses on the optical axis is IN56, which meets the following conditions: TP5 = 1.072 mm; TP6 = 1.031 mm; and (TP6 + IN56) / TP5 = 0.98555. This helps to control the sensitivity of the optical imaging module manufacturing and reduce the overall system height.

In the optical imaging module of this embodiment, the distance between the third lens 130 and the fourth lens 140 on the optical axis is IN34, and the distance between the fourth lens 140 and the fifth lens 150 on the optical axis is IN45, which satisfies The following conditions: IN34 = 0.401 mm; IN45 = 0.025 mm; and TP4 / (IN34 + TP4 + IN45) = 0.74376. This helps to correct the aberrations produced by the incident light and to reduce the total height of the system.

In the optical imaging module of this embodiment, the horizontal displacement distance between the intersection of the object side 152 of the fifth lens 150 on the optical axis and the maximum effective radius position of the object side 152 of the fifth lens 150 on the optical axis is InRS51, and the fifth lens 150 The horizontal displacement distance from the intersection of the image side 154 on the optical axis to the maximum effective radius position of the image side 154 of the fifth lens 150 on the optical axis is InRS52. The thickness of the fifth lens 150 on the optical axis is TP5, which meets the following conditions: InRS51 = -0.34789 mm; InRS52 = -0.88185 mm; │InRS51∣ / TP5 = 0.32458 and │InRS52∣ / TP5 = 0.82276. This helps to make and shape the lens, and effectively maintains its miniaturization.

In the optical imaging module of this embodiment, the vertical distance between the critical point of the object side 152 of the fifth lens 150 and the optical axis is HVT51, and the vertical distance between the critical point of the fifth side 150 of the image side 154 and the optical axis is HVT52, which satisfies The following conditions: HVT51 = 0.515349 mm; HVT52 = 0 mm.

In the optical imaging module of this embodiment, the horizontal displacement distance of the sixth lens 160 from the intersection of the object side 162 of the sixth lens 160 on the optical axis to the maximum effective radius position of the object side 162 of the sixth lens 160 on the optical axis is InRS61, and the sixth lens 160 The horizontal displacement distance from the intersection of the image side 164 on the optical axis to the maximum effective radius position of the image side 164 of the sixth lens 160 on the optical axis is InRS62. The thickness of the sixth lens 160 on the optical axis is TP6, which meets the following conditions: InRS61 = -0.58390 mm; InRS62 = 0.41976 mm; │InRS61∣ / TP6 = 0.56616 and │InRS62∣ / TP6 = 0.40700. This helps to make and shape the lens, and effectively maintains its miniaturization.

In the optical imaging module of this embodiment, the vertical distance between the critical point of the object side surface 162 of the sixth lens 160 and the optical axis is HVT61, and the vertical distance of the critical point of the image side 164 of the sixth lens 160 and the optical axis is HVT62, which satisfies The following conditions: HVT61 = 0 mm; HVT62 = 0 mm.

In the optical imaging module of this embodiment, it satisfies the following conditions: HVT51 / HOI = 0.1031. This is helpful for aberration correction of the peripheral field of view of the optical imaging module.

In the optical imaging module of this embodiment, it satisfies the following conditions: HVT51 / HOS = 0.02634. This is helpful for aberration correction of the peripheral field of view of the optical imaging module.

In the optical imaging module of this embodiment, the second lens 120, the third lens 130, and the sixth lens 160 have a negative refractive power. The dispersion coefficient of the second lens 120 is NA2, and the dispersion coefficient of the third lens 130 is NA3. The dispersion coefficient of the six lenses 160 is NA6, which satisfies the following conditions: NA6 / NA2 ≦ 1. This helps to correct the chromatic aberration of the optical imaging module.

In the optical imaging module of this embodiment, the TV distortion of the optical imaging module during the image formation is TDT, and the optical distortion of the optical image formation during the image formation is ODT, which satisfies the following conditions: TDT = 2.124%; ODT = 5.076%.

In the optical imaging module of this embodiment, LS is 12 mm, PhiA is 2 times EHD62 = 6.726 mm (EHD62: the maximum effective radius of the sixth lens 160 image side 164), PhiC = PhiA + 2 times TH2 = 7.026 mm, PhiD = PhiC + 2 (TH1 + TH2) = 7.426 mm, TH1 is 0.2mm, TH2 is 0.15 mm, PhiA / PhiD is, TH1 + TH2 is 0.35 mm, (TH1 + TH2) / HOI is 0.035, (TH1 + TH2) / HOS is 0.0179, 2 times (TH1 + TH2) / PhiA is 0.1041, and (TH1 + TH2) / LS is 0.0292.

Refer to Tables 1 and 2 below for further cooperation.         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Table 1 Lens data of the first optical embodiment </ td> <td> </ td> < / tr> <tr> <td> f (focal length) = 4.075 mm; f / HEP = 1.4; HAF (half angle of view) = 50.000 deg </ td> <td> </ td> </ tr> <tr> <tr> < td> surface </ td> <td> radius of curvature </ td> <td> thickness (mm) </ td> <td> material </ td> <td> refractive index </ td> <td> dispersion coefficient < / td> <td> Focal length </ td> <td> </ td> </ tr> <tr> <td> 0 </ td> <td> Subject </ td> <td> Plane </ td > <td> plane </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr > <td> 1 </ td> <td> first lens </ td> <td> -40.99625704 </ td> <td> 1.934 </ td> <td> plastic </ td> <td> 1.515 </ td> <td> 56.55 </ td> <td> -7.828 </ td> <td> </ td> </ tr> <tr> <td> 2 </ td> <td> </ td> <td > 4.555209289 </ td> <td> 5.923 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> < / tr> <tr> <td> 3 </ td> <td> Aperture </ td> <td> Plane </ td> <td> 0.495 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 4 </ td> <td> Second lens </ td> <td > 5.33 3427366 </ td> <td> 2.486 </ td> <td> Plastic </ td> <td> 1.544 </ td> <td> 55.96 </ td> <td> 5.897 </ td> <td> </ td> </ tr> <tr> <td> 5 </ td> <td> </ td> <td> -6.781659971 </ td> <td> 0.502 </ td> <td> </ td> <td > </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 6 </ td> <td> Third lens </ td > <td> -5.697794287 </ td> <td> 0.380 </ td> <td> Plastic </ td> <td> 1.642 </ td> <td> 22.46 </ td> <td> -25.738 </ td > <td> </ td> </ tr> <tr> <td> 7 </ td> <td> </ td> <td> -8.883957518 </ td> <td> 0.401 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 8 </ td> <td> Fourth lens </ td> <td> 13.19225664 </ td> <td> 1.236 </ td> <td> Plastic </ td> <td> 1.544 </ td> <td> 55.96 </ td> <td> 59.205 </ td> <td> </ td> </ tr> <tr> <td> 9 </ td> <td> </ td> <td> 21.55681832 </ td> <td> 0.025 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 10 </ td> <td> Fifth lens </ td> <td> 8.987806345 </ td> <td> 1.072 </ td> <td> Plastic </ td> <td> 1.515 </ td> <td> 56.55 </ td> <td> 4.668 </ td> <td> </ td> </ tr> <tr> <td> 11 </ td> <td> </ td> <td> -3.1 58875374 </ td> <td> 0.025 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 12 </ td> <td> Sixth lens </ td> <td> -29.46491425 </ td> <td> 1.031 </ td> <td> Plastic </ td> <td > 1.642 </ td> <td> 22.46 </ td> <td> -4.886 </ td> <td> </ td> </ tr> <tr> <td> 13 </ td> <td> </ td> <td> 3.593484273 </ td> <td> 2.412 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> < / td> </ tr> <tr> <td> 14 </ td> <td> Infrared filter </ td> <td> Flat </ td> <td> 0.200 </ td> <td> </ td> <td> 1.517 </ td> <td> 64.13 </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 15 </ td> <td> </ td> <td> Plane </ td> <td> 1.420 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td > </ td> </ tr> <tr> <td> 16 </ td> <td> imaging surface </ td> <td> plane </ td> <td> </ td> <td> </ td > <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> The reference wavelength is 555 nm; the light blocking position: The effective radius of light transmission on the first side is 5.800 mm; the effective radius of light transmission on the third side is 1.570 mm; the effective radius of light transmission on the fifth side is 1.950 mm. </ Td> <td> </ td> <td> < / td> </ tr> </ TB ODY> </ TABLE> Table 2. Aspheric coefficients of the first optical embodiment         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Table 2 Aspheric Coefficients </ td> </ tr> <tr> <td> Surface < / td> <td> 1 </ td> <td> 2 </ td> <td> 4 </ td> <td> 5 </ td> <td> 6 </ td> <td> 7 </ td > <td> 8 </ td> </ tr> <tr> <td> k </ td> <td> 4.310876E + 01 </ td> <td> -4.707622E + 00 </ td> <td> 2.616025E + 00 </ td> <td> 2.445397E + 00 </ td> <td> 5.645686E + 00 </ td> <td> -2.117147E + 01 </ td> <td> -5.287220E + 00 </ td> </ tr> <tr> <td> A4 </ td> <td> 7.054243E-03 </ td> <td> 1.714312E-02 </ td> <td> -8.377541E-03 < / td> <td> -1.789549E-02 </ td> <td> -3.379055E-03 </ td> <td> -1.370959E-02 </ td> <td> -2.937377E-02 </ td > </ tr> <tr> <td> A6 </ td> <td> -5.233264E-04 </ td> <td> -1.502232E-04 </ td> <td> -1.838068E-03 </ td> <td> -3.657520E-03 </ td> <td> -1.225453E-03 </ td> <td> 6.250200E-03 </ td> <td> 2.743532E-03 </ td> </ td> tr> <tr> <td> A8 </ td> <td> 3.077890E-05 </ td> <td> -1.359611E-04 </ td> <td> 1.233332E-03 </ td> <td> -1.131622E-03 </ td> <td> -5.979572E-03 </ td> <td> -5.854426E-03 </ td> <td> -2.457574E-03 </ td> </ tr> < tr> <td> A10 </ td> <td> -1.260650E-06 </ t d> <td> 2.680747E-05 </ td> <td> -2.390895E-03 </ td> <td> 1.390351E-03 </ td> <td> 4.556449E-03 </ td> <td> 4.049451E-03 </ td> <td> 1.874319E-03 </ td> </ tr> <tr> <td> A12 </ td> <td> 3.319093E-08 </ td> <td> -2.017491 E-06 </ td> <td> 1.998555E-03 </ td> <td> -4.152857E-04 </ td> <td> -1.177175E-03 </ td> <td> -1.314592E-03 </ td> <td> -6.013661E-04 </ td> </ tr> <tr> <td> A14 </ td> <td> -5.051600E-10 </ td> <td> 6.604615E-08 </ td> <td> -9.734019E-04 </ td> <td> 5.487286E-05 </ td> <td> 1.370522E-04 </ td> <td> 2.143097E-04 </ td> < td> 8.792480E-05 </ td> </ tr> <tr> <td> A16 </ td> <td> 3.380000E-12 </ td> <td> -1.301630E-09 </ td> <td > 2.478373E-04 </ td> <td> -2.919339E-06 </ td> <td> -5.974015E-06 </ td> <td> -1.399894E-05 </ td> <td> -4.770527 E-06 </ td> </ tr> </ TBODY> </ TABLE> <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Table 2 Aspheric coefficient </ td> </ tr> <tr> <td> Surface </ td> <td> 9 </ td> <td> 10 </ td> <td> 11 </ td> <td> 12 </ td> <td> 13 </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> k </ td> <td> 6.200000E + 01 </ td> <td> -2.114008E + 01 < / td> <td> -7.699904E + 00 </ td> <td> -6.155476E + 01 </ td> <td> -3.120467E-01 </ td> <td> </ td> <td> < / td> </ tr> <tr> <td> A4 </ td> <td> -1.359965E-01 </ td> <td> -1.263831E-01 </ td> <td> -1.927804E-02 </ td> <td> -2.492467E-02 </ td> <td> -3.521844E-02 </ td> <td> </ td> <td> </ td> </ tr> <tr> < td> A6 </ td> <td> 6.628518E-02 </ td> <td> 6.965399E-02 </ td> <td> 2.478376E-03 </ td> <td> -1.835360E-03 </ td> td> <td> 5.629654E-03 </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> A8 </ td> <td> -2.129167E-02 </ td> <td> -2.116027E-02 </ td> <td> 1.438785E-03 </ td> <td> 3.201343E-03 </ td> <td> -5.466925E-04 </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> A10 </ td> <td> 4.396344E-03 </ td> <td> 3.819371E-03 </ td > <td> -7.013749E-04 </ td> <td> -8.990757E-04 </ td> <td> 2.231154E-05 </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> A12 </ td> <td> -5.542899E-04 </ td> <td> -4.040283E-04 </ td> <td> 1.253214E-04 </ td> <td> 1.245343E-04 </ td> <td> 5.548990E-07 </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> A14 </ td > <td> 3.768879E-05 </ td> <td> 2.280473E-05 </ td> <td> -9.943 196E-06 </ td> <td> -8.788363E-06 </ td> <td> -9.396920E-08 </ td> <td> </ td> <td> </ td> </ tr> < tr> <td> A16 </ td> <td> -1.052467E-06 </ td> <td> -5.165452E-07 </ td> <td> 2.898397E-07 </ td> <td> 2.494302E -07 </ td> <td> 2.728360E-09 </ td> <td> </ td> <td> </ td> </ tr> </ TBODY> </ TABLE>

According to Tables 1 and 2, the following correlations can be obtained for the length of the contour curve:         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> First optical embodiment (using the main reference wavelength of 555 nm) </ td> </ tr> <tr> <td> ARE </ td> <td> 1/2 (HEP) </ td> <td> ARE value </ td> <td> ARE-1 / 2 (HEP) </ td> <td > 2 (ARE / HEP)% </ td> <td> TP </ td> <td> ARE / TP (%) </ td> </ tr> <tr> <td> 11 </ td> <td > 1.455 </ td> <td> 1.455 </ td> <td> -0.00033 </ td> <td> 99.98% </ td> <td> 1.934 </ td> <td> 75.23% </ td> < / tr> <tr> <td> 12 </ td> <td> 1.455 </ td> <td> 1.495 </ td> <td> 0.03957 </ td> <td> 102.72% </ td> <td> 1.934 </ td> <td> 77.29% </ td> </ tr> <tr> <td> 21 </ td> <td> 1.455 </ td> <td> 1.465 </ td> <td> 0.00940 < / td> <td> 100.65% </ td> <td> 2.486 </ td> <td> 58.93% </ td> </ tr> <tr> <td> 22 </ td> <td> 1.455 </ td> <td> 1.495 </ td> <td> 0.03950 </ td> <td> 102.71% </ td> <td> 2.486 </ td> <td> 60.14% </ td> </ tr> <tr > <td> 31 </ td> <td> 1.455 </ td> <td> 1.486 </ td> <td> 0.03045 </ td> <td> 102.09% </ td> <td> 0.380 </ td> <td> 391.02% </ td> </ tr> <tr> <td> 32 </ td> <td> 1.455 </ td> <td> 1.464 </ td> <td> 0.00830 </ td> <td > 100.57% </ td> <td> 0.380 </ td> <td> 3 85.19% </ td> </ tr> <tr> <td> 41 </ td> <td> 1.455 </ td> <td> 1.458 </ td> <td> 0.00237 </ td> <td> 100.16% </ td> <td> 1.236 </ td> <td> 117.95% </ td> </ tr> <tr> <td> 42 </ td> <td> 1.455 </ td> <td> 1.484 </ td> <td> 0.02825 </ td> <td> 101.94% </ td> <td> 1.236 </ td> <td> 120.04% </ td> </ tr> <tr> <td> 51 </ td > <td> 1.455 </ td> <td> 1.462 </ td> <td> 0.00672 </ td> <td> 100.46% </ td> <td> 1.072 </ td> <td> 136.42% </ td > </ tr> <tr> <td> 52 </ td> <td> 1.455 </ td> <td> 1.499 </ td> <td> 0.04335 </ td> <td> 102.98% </ td> < td> 1.072 </ td> <td> 139.83% </ td> </ tr> <tr> <td> 61 </ td> <td> 1.455 </ td> <td> 1.465 </ td> <td> 0.00964 </ td> <td> 100.66% </ td> <td> 1.031 </ td> <td> 142.06% </ td> </ tr> <tr> <td> 62 </ td> <td> 1.455 </ td> <td> 1.469 </ td> <td> 0.01374 </ td> <td> 100.94% </ td> <td> 1.031 </ td> <td> 142.45% </ td> </ tr> <tr> <td> ARS </ td> <td> EHD </ td> <td> ARS value </ td> <td> ARS-EHD </ td> <td> (ARS / EHD)% </ td > <td> TP </ td> <td> ARS / TP (%) </ td> </ tr> <tr> <td> 11 </ td> <td> 5.800 </ td> <td> 6.141 < / td> <td> 0.341 </ td> <td> 105.88% </ td> <td> 1.934 </ td> <td> 317 .51% </ td> </ tr> <tr> <td> 12 </ td> <td> 3.299 </ td> <td> 4.423 </ td> <td> 1.125 </ td> <td> 134.10 % </ td> <td> 1.934 </ td> <td> 228.70% </ td> </ tr> <tr> <td> 21 </ td> <td> 1.664 </ td> <td> 1.674 < / td> <td> 0.010 </ td> <td> 100.61% </ td> <td> 2.486 </ td> <td> 67.35% </ td> </ tr> <tr> <td> 22 </ td> <td> 1.950 </ td> <td> 2.119 </ td> <td> 0.169 </ td> <td> 108.65% </ td> <td> 2.486 </ td> <td> 85.23% </ td> </ tr> <tr> <td> 31 </ td> <td> 1.980 </ td> <td> 2.048 </ td> <td> 0.069 </ td> <td> 103.47% </ td> <td> 0.380 </ td> <td> 539.05% </ td> </ tr> <tr> <td> 32 </ td> <td> 2.084 </ td> <td> 2.101 </ td> <td > 0.017 </ td> <td> 100.83% </ td> <td> 0.380 </ td> <td> 552.87% </ td> </ tr> <tr> <td> 41 </ td> <td> 2.247 </ td> <td> 2.287 </ td> <td> 0.040 </ td> <td> 101.80% </ td> <td> 1.236 </ td> <td> 185.05% </ td> </ tr > <tr> <td> 42 </ td> <td> 2.530 </ td> <td> 2.813 </ td> <td> 0.284 </ td> <td> 111.22% </ td> <td> 1.236 < / td> <td> 227.63% </ td> </ tr> <tr> <td> 51 </ td> <td> 2.655 </ td> <td> 2.690 </ td> <td> 0.035 </ td > <td> 101.32% </ td> <td> 1.072 </ td> <td> 250.99% </ td> </ tr> <tr> <td> 52 </ td> <td> 2.764 </ td> <td> 2.930 </ td> <td> 0.166 </ td> <td> 106.00% </ td> <td> 1.072 </ td> <td> 273.40% </ td> </ tr> <tr> <td> 61 </ td> <td> 2.816 </ td> <td> 2.905 </ td> <td> 0.089 </ td> <td> 103.16% </ td> <td> 1.031 </ td> <td> 281.64% </ td> </ tr> <tr> <td> 62 </ td> <td> 3.363 </ td> <td> 3.391 </ td> <td> 0.029 </ td> <td> 100.86% </ td> <td> 1.031 </ td> <td> 328.83% </ td> </ tr> </ TBODY> </ TABLE>

Table 1 shows the detailed structural data of the first optical embodiment in FIG. 1, where the units of the radius of curvature, thickness, distance, and focal length are mm, and the surface 0-16 sequentially represents the surface from the object side to the image side. Table 2 shows the aspherical data in the first optical embodiment, where k represents the cone coefficient in the aspheric curve equation, and A1-A20 represents the aspherical coefficients of order 1-20 on each surface. In addition, the following tables of optical embodiments are schematic diagrams and aberration curves corresponding to the optical embodiments. The definitions of the data in the tables are the same as those of Tables 1 and 2 of the first optical embodiment, and will not be repeated here. Furthermore, the definitions of the mechanical element parameters of the following optical embodiments are the same as those of the first optical embodiment.

For the second optical embodiment, please refer to FIG. 3A and FIG. 3B. FIG. 3A shows a schematic diagram of a lens group of an optical imaging module according to the second optical embodiment of the present invention. Spherical aberration, astigmatism and optical distortion curves of the optical imaging module of the second optical embodiment. It can be seen from FIG. 3A that the optical imaging module includes the aperture 200, the first lens 210, the second lens 220, the third lens 230, the fourth lens 240, the fifth lens 250, and the sixth lens in order from the object side to the image side. 260 and a seventh lens 270, an infrared filter 280, an imaging surface 290, and an image sensing element 292.

The first lens 210 has a negative refractive power and is made of plastic. The object side surface 212 is convex, the image side 214 is concave, and both are aspheric. The object side 212 and the image side 214 each have an inflection point.

The second lens 220 has a negative refractive power and is made of plastic. Its object side surface 222 is convex, its image side 224 is concave, and both are aspheric. Its object side 222 and image side 224 both have an inflection point.

The third lens 230 has a positive refractive power and is made of plastic. The object side surface 232 is convex, the image side surface 234 is concave, and both are aspheric. The object side surface 232 has an inflection point.

The fourth lens 240 has a positive refractive power and is made of plastic. Its object side surface 242 is concave, its image side 244 is convex, and both are aspheric. The object side 242 has an inflection point and the image side 244 has two points. Inflection point.

The fifth lens 250 has a positive refractive power and is made of plastic. Its object side surface 252 is convex, its image side surface 254 is concave, and both are aspheric, and its object side surface 252 and image side surface 254 each have an inflection point.

The sixth lens 260 has a negative refractive power and is made of plastic. The object side surface 262 is concave, the image side 264 is convex, and both are aspheric. The object side 262 and the image side 264 have two inflection points. Accordingly, the angle of incidence of each field of view on the sixth lens 260 can be effectively adjusted to improve aberrations.

The seventh lens 270 has a negative refractive power and is made of plastic. The object side surface 272 is a convex surface and the image side surface 274 is a concave surface. Thereby, it is advantageous to shorten the back focal length to maintain miniaturization. In addition, both the object side surface 272 and the image side surface 274 of the seventh lens have an inflection point, which can effectively suppress the incident angle of the off-axis field of view and further correct the aberration of the off-axis field of view.

The infrared filter 280 is made of glass and is disposed between the seventh lens 270 and the imaging surface 290 without affecting the focal length of the optical imaging module.

Please refer to Tables 3 and 4 below.         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Table 3 Lens data of the second optical embodiment </ td> </ tr> <tr> < td> f (focal length) = 4.7601 mm; f / HEP = 2.2; HAF (half angle of view) = 95.98 deg </ td> </ tr> <tr> <td> surface </ td> <td> radius of curvature </ td> <td> thickness (mm) </ td> <td> material </ td> <td> refractive index </ td> <td> dispersion coefficient </ td> <td> focal length </ td> </ tr > <tr> <td> 0 </ td> <td> Subject </ td> <td> 1E + 18 </ td> <td> 1E + 18 </ td> <td> </ td> < td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 1 </ td> <td> First lens </ td> <td> 47.71478323 < / td> <td> 4.977 </ td> <td> Glass </ td> <td> 2.001 </ td> <td> 29.13 </ td> <td> -12.647 </ td> </ tr> <tr > <td> 2 </ td> <td> </ td> <td> 9.527614761 </ td> <td> 13.737 </ td> <td> </ td> <td> </ td> <td> < / td> <td> </ td> </ tr> <tr> <td> 3 </ td> <td> Second lens </ td> <td> -14.88061107 </ td> <td> 5.000 </ td> <td> Glass </ td> <td> 2.001 </ td> <td> 29.13 </ td> <td> -99.541 </ td> </ tr> <tr> <td> 4 </ td> <td> </ td> <td> -20.42046946 </ td> <td> 10.837 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 5 </ td> <td> Third lens </ td> <td> 182.4762997 </ td > <td> 5.000 </ td> <td> glass </ td> <td> 1.847 </ td> <td> 23.78 </ td> <td> 44.046 </ td> </ tr> <tr> <td > 6 </ td> <td> </ td> <td> -46.71963608 </ td> <td> 13.902 </ td> <td> </ td> <td> </ td> <td> </ td > <td> </ td> </ tr> <tr> <td> 7 </ td> <td> Aperture </ td> <td> 1E + 18 </ td> <td> 0.850 </ td> < td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 8 </ td> <td> Fourth lens </ td> <td> 28.60018103 </ td> <td> 4.095 </ td> <td> Glass </ td> <td> 1.834 </ td> <td> 37.35 </ td> <td> 19.369 </ td> </ tr> <tr> <td> 9 </ td> <td> </ td> <td> -35.08507586 </ td> <td> 0.323 </ td> <td> </ td> <td> < / td> <td> </ td> <td> </ td> </ tr> <tr> <td> 10 </ td> <td> Fifth lens </ td> <td> 18.25991342 </ td> <td> 1.539 </ td> <td> glass </ td> <td> 1.609 </ td> <td> 46.44 </ td> <td> 20.223 </ td> </ tr> <tr> <td> 11 </ td> <td> </ td> <td> -36.99028878 </ td> <td> 0.546 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 12 </ td> <td> Sixth lens </ td> <td>- 18.24574524 </ td> <td> 5.000 </ td> <td> Glass </ td> <td> 2.002 </ td> <td> 19.32 </ td> <td> -7.668 </ td> </ tr> <tr> <td> 13 </ td> <td> </ td> <td> 15.33897192 </ td> <td> 0.215 </ td> <td> </ td> <td> </ td> <td > </ td> <td> </ td> </ tr> <tr> <td> 14 </ td> <td> Seventh lens </ td> <td> 16.13218937 </ td> <td> 4.933 < / td> <td> Glass </ td> <td> 1.517 </ td> <td> 64.20 </ td> <td> 13.620 </ td> </ tr> <tr> <td> 15 </ td> <td> </ td> <td> -11.24007 </ td> <td> 8.664 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 16 </ td> <td> Infrared filter </ td> <td> 1E + 18 </ td> <td> 1.000 </ td> <td> BK_7 </ td> <td> 1.517 </ td> <td> 64.2 </ td> <td> </ td> </ tr> <tr> <td> 17 </ td> <td> </ td> < td> 1E + 18 </ td> <td> 1.007 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> < tr> <td> 18 </ td> <td> imaging surface </ td> <td> 1E + 18 </ td> <td> -0.007 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> Reference wavelength (d-line) is 555 nm </ td> </ tr> </ TBODY> </ TABLE> Table 4. Aspheric coefficients of the second optical embodiment         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Table 4 Aspheric coefficients </ td> </ tr> <tr> <td> Surface < / td> <td> 1 </ td> <td> 2 </ td> <td> 3 </ td> <td> 4 </ td> <td> 5 </ td> <td> 6 </ td > <td> 8 </ td> </ tr> <tr> <td> k </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E +00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> < sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> </ tr> <tr> <td> A4 </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td > <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub > </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> </ tr> <tr> <td > A6 </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E +00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> < sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> </ tr> <tr> <td> A8 </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td > <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> </ tr> <tr> <td> A10 </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 < /sub></td><td>_0.000000E+00</td><td>_0.000000E+00</td><td><sub>0.000000 E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> </ tr > <tr> <td> A12 </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td > <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> </ tr> </ TBODY> </ TABLE> <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Table 4 Aspheric coefficients </ td> </ tr> <tr> <td> Surface < / td> <td> 9 </ td> <td> 10 </ td> <td> 11 </ td> <td> 12 </ td> <td> 13 </ td> <td> 14 </ td > <td> 15 </ td> </ tr> <tr> <td> k </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E +00 </ sub> </ td > <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub > </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> </ tr> <tr> <td > A4 </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E +00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> < sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> </ tr> <tr> <td> A6 </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td > <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub > </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> </ tr> <tr> <td> A8 </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E +00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> < sub> 0.000000E + 00 </ sub> </ td> </ tr> <tr> <td> A10 </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000 000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> </ tr> <tr> <td> A12 </ td> <td > <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> <td> <sub> 0.000000E + 00 </ sub> </ td> </ tr> </ TBODY> </ TABLE>

In the second optical embodiment, the curve equation of the aspherical surface is expressed as the first optical embodiment. In addition, the definitions of the parameters in the following table are the same as those of the first optical embodiment, and will not be repeated here.

According to Tables 3 and 4, the following conditional expressions can be obtained:         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Second optical embodiment (using the main reference wavelength of 555 nm) </ td> </ tr> <tr> <td> ∣f / f1│ </ td> <td> ∣f / f2│ </ td> <td> ∣f / f3│ </ td> <td> ∣f / f4│ </ td > <td> ∣f / f5│ </ td> <td> ∣f / f6│ </ td> </ tr> <tr> <td> 0.3764 </ td> <td> 0.0478 </ td> <td > 0.1081 </ td> <td> 0.2458 </ td> <td> 0.2354 </ td> <td> 0.6208 </ td> </ tr> <tr> <td> ∣f / f7│ </ td> < td> ΣPPR </ td> <td> ΣNPR </ td> <td> ΣPPR / │ΣNPR∣ </ td> <td> IN12 / f </ td> <td> IN67 / f </ td> </ tr > <tr> <td> 0.3495 </ td> <td> 1.3510 </ td> <td> 0.6327 </ td> <td> 2.1352 </ td> <td> 2.8858 </ td> <td> 0.0451 </ td> </ tr> <tr> <td> ∣f1 / f2│ </ td> <td> ∣f2 / f3│ </ td> <td> (TP1 + IN12) / TP2 </ td> <td> (TP7 + IN67) / TP6 </ td> </ tr> <tr> <td> 0.1271 </ td> <td> 2.2599 </ td> <td> 3.7428 </ td> <td> 1.0296 </ td> </ tr> <tr> <td> HOS </ td> <td> InTL </ td> <td> HOS / HOI </ td> <td> InS / HOS </ td> <td> ODT% </ td> <td> TDT% </ td> </ tr> <tr> <td> 81.6178 </ td> <td> 70.9539 </ td> <td> 13.6030 </ td> <td> 0.3451 </ td> <td> -113.2790 </ td> <td> 84.4806 </ td> </ tr> <tr> <td> HVT11 </ td> <td> HVT12 </ td> <td> HVT21 </ td> <td> HVT22 </ td > <td> HVT31 </ td> <td> HVT32 </ td> </ tr> <tr> <td> 0.0000 </ td> <td> 0.0000 </ td> <td> 0.0000 </ td> <td > 0.0000 </ td> <td> 0.0000 </ td> <td> 0.0000 </ td> </ tr> <tr> <td> HVT61 </ td> <td> HVT62 </ td> <td> HVT71 < / td> <td> HVT72 </ td> <td> HVT72 / HOI </ td> <td> HVT72 / HOS </ td> </ tr> <tr> <td> 0.0000 </ td> <td> 0.0000 </ td> <td> 0.0000 </ td> <td> 0.0000 </ td> <td> 0.0000 </ td> <td> 0.0000 </ td> </ tr> <tr> <td> PhiA </ td > <td> PhiC </ td> <td> PhiD </ td> <td> TH1 </ td> <td> TH2 </ td> <td> HOI </ td> </ tr> <tr> <td > 11.962 mm </ td> <td> 12.362 mm </ td> <td> 12.862 mm </ td> <td> 0.25 mm </ td> <td> 0.2 mm </ td> <td> 6 mm </ td> </ tr> <tr> <td> PhiA / PhiD </ td> <td> TH1 + TH2 </ td> <td> (TH1 + TH2) / HOI </ td> <td> (TH1 + TH2 ) / HOS </ td> <td> 2 (TH1 + TH2) / PhiA </ td> <td> </ td> </ tr> <tr> <td> 0.9676 </ td> <td> 0.45 mm < / td> <td> 0.075 </ td> <td> 0.0055 </ td> <td> 0.0752 </ td> <td> </ td> </ tr> <tr> <td> PSTA </ td> < td> PLTA </ td> <td> NSTA </ td> <td> NLTA </ td> <td> SSTA </ td> <td> SLTA </ td> </ tr> <tr> <td> 0.060 mm </ td> <td> -0.005 mm </ td> <td> 0.016 mm </ td> <td > 0.006 mm </ td> <td> 0.020 mm </ td> <td> -0.008 mm </ td> </ tr> </ TBODY> </ TABLE>

According to Tables 3 and 4, the following conditional expressions can be obtained: According to Tables 1 and 2, the following values related to the length of the contour curve can be obtained:         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Second optical embodiment (using the main reference wavelength of 555 nm) </ td> </ tr> <tr> <td> ARE </ td> <td> 1/2 (HEP) </ td> <td> ARE value </ td> <td> ARE-1 / 2 (HEP) </ td> <td > 2 (ARE / HEP)% </ td> <td> TP </ td> <td> ARE / TP (%) </ td> </ tr> <tr> <td> 11 </ td> <td > 1.082 </ td> <td> 1.081 </ td> <td> -0.00075 </ td> <td> 99.93% </ td> <td> 4.977 </ td> <td> 21.72% </ td> < / tr> <tr> <td> 12 </ td> <td> 1.082 </ td> <td> 1.083 </ td> <td> 0.00149 </ td> <td> 100.14% </ td> <td> 4.977 </ td> <td> 21.77% </ td> </ tr> <tr> <td> 21 </ td> <td> 1.082 </ td> <td> 1.082 </ td> <td> 0.00011 < / td> <td> 100.01% </ td> <td> 5.000 </ td> <td> 21.64% </ td> </ tr> <tr> <td> 22 </ td> <td> 1.082 </ td> <td> 1.082 </ td> <td> -0.00034 </ td> <td> 99.97% </ td> <td> 5.000 </ td> <td> 21.63% </ td> </ tr> < tr> <td> 31 </ td> <td> 1.082 </ td> <td> 1.081 </ td> <td> -0.00084 </ td> <td> 99.92% </ td> <td> 5.000 </ td> <td> 21.62% </ td> </ tr> <tr> <td> 32 </ td> <td> 1.082 </ td> <td> 1.081 </ td> <td> -0.00075 </ td > <td> 99.93% </ td> <td> 5.000 </ td> <td> 21 .62% </ td> </ tr> <tr> <td> 41 </ td> <td> 1.082 </ td> <td> 1.081 </ td> <td> -0.00059 </ td> <td> 99.95% </ td> <td> 4.095 </ td> <td> 26.41% </ td> </ tr> <tr> <td> 42 </ td> <td> 1.082 </ td> <td> 1.081 </ td> <td> -0.00067 </ td> <td> 99.94% </ td> <td> 4.095 </ td> <td> 26.40% </ td> </ tr> <tr> <td> 51 </ td> <td> 1.082 </ td> <td> 1.082 </ td> <td> -0.00021 </ td> <td> 99.98% </ td> <td> 1.539 </ td> <td> 70.28 % </ td> </ tr> <tr> <td> 52 </ td> <td> 1.082 </ td> <td> 1.081 </ td> <td> -0.00069 </ td> <td> 99.94% </ td> <td> 1.539 </ td> <td> 70.25% </ td> </ tr> <tr> <td> 61 </ td> <td> 1.082 </ td> <td> 1.082 </ td> <td> -0.00021 </ td> <td> 99.98% </ td> <td> 5.000 </ td> <td> 21.63% </ td> </ tr> <tr> <td> 62 </ td> <td> 1.082 </ td> <td> 1.082 </ td> <td> 0.00005 </ td> <td> 100.00% </ td> <td> 5.000 </ td> <td> 21.64% </ td> </ tr> <tr> <td> 71 </ td> <td> 1.082 </ td> <td> 1.082 </ td> <td> -0.00003 </ td> <td> 100.00% </ td > <td> 4.933 </ td> <td> 21.93% </ td> </ tr> <tr> <td> 72 </ td> <td> 1.082 </ td> <td> 1.083 </ td> < td> 0.00083 </ td> <td> 100.08% </ td> <td> 4.933 </ td> <td> 21.95% </ td> </ tr> <tr> <td> ARS </ td> <td> EHD </ td> <td> ARS value </ td> <td> ARS-EHD </ td> <td> (ARS / EHD)% </ td > <td> TP </ td> <td> ARS / TP (%) </ td> </ tr> <tr> <td> 11 </ td> <td> 20.767 </ td> <td> 21.486 < / td> <td> 0.719 </ td> <td> 103.46% </ td> <td> 4.977 </ td> <td> 431.68% </ td> </ tr> <tr> <td> 12 </ td> <td> 9.412 </ td> <td> 13.474 </ td> <td> 4.062 </ td> <td> 143.16% </ td> <td> 4.977 </ td> <td> 270.71% </ td> </ tr> <tr> <td> 21 </ td> <td> 8.636 </ td> <td> 9.212 </ td> <td> 0.577 </ td> <td> 106.68% </ td> <td> 5.000 </ td> <td> 184.25% </ td> </ tr> <tr> <td> 22 </ td> <td> 9.838 </ td> <td> 10.264 </ td> <td > 0.426 </ td> <td> 104.33% </ td> <td> 5.000 </ td> <td> 205.27% </ td> </ tr> <tr> <td> 31 </ td> <td> 8.770 </ td> <td> 8.772 </ td> <td> 0.003 </ td> <td> 100.03% </ td> <td> 5.000 </ td> <td> 175.45% </ td> </ tr > <tr> <td> 32 </ td> <td> 8.511 </ td> <td> 8.558 </ td> <td> 0.047 </ td> <td> 100.55% </ td> <td> 5.000 < / td> <td> 171.16% </ td> </ tr> <tr> <td> 41 </ td> <td> 4.600 </ td> <td> 4.619 </ td> <td> 0.019 </ td > <td> 100.42% </ td> <td> 4.095 </ td> <td> 112.80% </ td> </ tr> <tr> <td> 4 2 </ td> <td> 4.965 </ td> <td> 4.981 </ td> <td> 0.016 </ td> <td> 100.32% </ td> <td> 4.095 </ td> <td> 121.64 % </ td> </ tr> <tr> <td> 51 </ td> <td> 5.075 </ td> <td> 5.143 </ td> <td> 0.067 </ td> <td> 101.33% < / td> <td> 1.539 </ td> <td> 334.15% </ td> </ tr> <tr> <td> 52 </ td> <td> 5.047 </ td> <td> 5.062 </ td > <td> 0.015 </ td> <td> 100.30% </ td> <td> 1.539 </ td> <td> 328.89% </ td> </ tr> <tr> <td> 61 </ td> <td> 5.011 </ td> <td> 5.075 </ td> <td> 0.064 </ td> <td> 101.28% </ td> <td> 5.000 </ td> <td> 101.50% </ td> </ tr> <tr> <td> 62 </ td> <td> 5.373 </ td> <td> 5.489 </ td> <td> 0.116 </ td> <td> 102.16% </ td> <td > 5.000 </ td> <td> 109.79% </ td> </ tr> <tr> <td> 71 </ td> <td> 5.513 </ td> <td> 5.625 </ td> <td> 0.112 </ td> <td> 102.04% </ td> <td> 4.933 </ td> <td> 114.03% </ td> </ tr> <tr> <td> 72 </ td> <td> 5.981 < / td> <td> 6.307 </ td> <td> 0.326 </ td> <td> 105.44% </ td> <td> 4.933 </ td> <td> 127.84% </ td> </ tr> < / TBODY> </ TABLE>

According to Tables 3 and 4, the following conditional expressions can be obtained:         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Relevant value of the inflection point of the second optical embodiment (using the main reference wavelength of 555 nm) </ td > </ tr> <tr> <td> HIF111 </ td> <td> 0 </ td> <td> HIF111 / HOI </ td> <td> 0 </ td> <td> SGI111 </ td> <td> 0 </ td> <td> │SGI111∣ / (│SGI111∣ + TP1) </ td> <td> 0 </ td> </ tr> </ TBODY> </ TABLE>

For the third optical embodiment, please refer to FIG. 4A and FIG. 4B. FIG. 4A shows a schematic diagram of a lens group of an optical imaging module according to the third optical embodiment of the present invention. Spherical aberration, astigmatism and optical distortion curves of the optical imaging module of the third optical embodiment. It can be seen from FIG. 4A that the optical imaging module includes a first lens 310, a second lens 320, a third lens 330, an aperture 300, a fourth lens 340, a fifth lens 350, and a sixth lens in order from the object side to the image side. 360, an infrared filter 380, an imaging surface 390, and an image sensing element 392.

The first lens 310 has a negative refractive power and is made of glass. The object side 312 is convex, the image side 314 is concave, and both are spherical.

The second lens 320 has a negative refractive power and is made of glass. The object side surface 322 is a concave surface, and the image side surface 324 is a convex surface, and they are all spherical surfaces.

The third lens 330 has a positive refractive power and is made of plastic material. Its object side surface 332 is convex, its image side 334 is convex, and all of them are aspheric, and its image side 334 has an inflection point.

The fourth lens 340 has a negative refractive power and is made of plastic material. Its object side surface 342 is concave, its image side 344 is concave, and both are aspheric, and its image side 344 has an inflection point.

The fifth lens 350 has a positive refractive power and is made of plastic. The object side surface 352 is a convex surface, and the image side surface 354 is a convex surface.

The sixth lens 360 has a negative refractive power and is made of plastic. Its object side surface 362 is convex, its image side 364 is concave, and both are aspheric. The object side 362 and the image side 364 both have an inflection point. Thereby, it is advantageous to shorten the back focal length to maintain miniaturization. In addition, it can effectively suppress the incident angle of the off-axis field of view, and further correct the aberration of the off-axis field of view.

The infrared filter 380 is made of glass and is disposed between the sixth lens 360 and the imaging surface 390 without affecting the focal length of the optical imaging module.

Please refer to Table 5 and Table 6 below.         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Table 5 Lens data of the third optical embodiment </ td> </ tr> <tr> < td> f (focal length) = 2.808 mm; f / HEP = 1.6; HAF (half angle of view) = 100 deg </ td> </ tr> <tr> <td> surface </ td> <td> radius of curvature </ td> <td> thickness (mm) </ td> <td> material </ td> <td> refractive index </ td> <td> dispersion coefficient </ td> <td> focal length </ td> </ tr > <tr> <td> 0 </ td> <td> Subject </ td> <td> 1E + 18 </ td> <td> 1E + 18 </ td> <td> </ td> < td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 1 </ td> <td> First lens </ td> <td> 71.398124 < / td> <td> 7.214 </ td> <td> Glass </ td> <td> 1.702 </ td> <td> 41.15 </ td> <td> -11.765 </ td> </ tr> <tr > <td> 2 </ td> <td> </ td> <td> 7.117272355 </ td> <td> 5.788 </ td> <td> </ td> <td> </ td> <td> < / td> <td> </ td> </ tr> <tr> <td> 3 </ td> <td> Second lens </ td> <td> -13.29213699 </ td> <td> 10.000 </ td> <td> Glass </ td> <td> 2.003 </ td> <td> 19.32 </ td> <td> -4537.460 </ td> </ tr> <tr> <td> 4 </ td> <td> </ td> <td> -18.37509887 </ td> <td> 7.005 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 5 </ td> <td> Third lens </ td> <td> 5.039114804 </ td> < td> 1.398 </ td> <td> Plastic </ td> <td> 1.514 </ td> <td> 56.80 </ td> <td> 7.553 </ td> </ tr> <tr> <td> 6 </ td> <td> </ td> <td> -15.53136631 </ td> <td> -0.140 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 7 </ td> <td> Aperture </ td> <td> 1E + 18 </ td> <td> 2.378 </ td> <td > </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 8 </ td> <td> Fourth lens </ td > <td> -18.68613609 </ td> <td> 0.577 </ td> <td> Plastic </ td> <td> 1.661 </ td> <td> 20.40 </ td> <td> -4.978 </ td > </ tr> <tr> <td> 9 </ td> <td> </ td> <td> 4.086545927 </ td> <td> 0.141 </ td> <td> </ td> <td> < / td> <td> </ td> <td> </ td> </ tr> <tr> <td> 10 </ td> <td> Fifth lens </ td> <td> 4.927609282 </ td> <td> 2.974 </ td> <td> Plastic </ td> <td> 1.565 </ td> <td> 58.00 </ td> <td> 4.709 </ td> </ tr> <tr> <td> 11 </ td> <td> </ td> <td> -4.551946605 </ td> <td> 1.389 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 12 </ td> <td> Sixth lens </ td> <td> 9.184876531 </ td> <td> 1.916 </ td> <td> Plastic </ td> <td> 1.514 </ td> <td> 56.80 </ td> <td> -23.405 </ td> </ tr> <tr> <td> 13 </ td> <td> </ td> <td> 4.845500046 </ td> <td> 0.800 </ td> <td> </ td> <td> </ td> <td > </ td> <td> </ td> </ tr> <tr> <td> 14 </ td> <td> Infrared filter </ td> <td> 1E + 18 </ td> <td > 0.500 </ td> <td> BK_7 </ td> <td> 1.517 </ td> <td> 64.13 </ td> <td> </ td> </ tr> <tr> <td> 15 </ td> <td> </ td> <td> 1E + 18 </ td> <td> 0.371 </ td> <td> </ td> <td> </ td> <td> </ td> <td > </ td> </ tr> <tr> <td> 16 </ td> <td> imaging surface </ td> <td> 1E + 18 </ td> <td> 0.005 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> Reference wavelength is 555 nm; none </ td> </ tr> </ TBODY> </ TABLE> Table 6. Aspheric coefficients of the third optical embodiment         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Table 6 Aspheric Coefficients </ td> </ tr> <tr> <td> Surface < / td> <td> 1 </ td> <td> 2 </ td> <td> 3 </ td> <td> 4 </ td> <td> 5 </ td> <td> 6 </ td > <td> 8 </ td> </ tr> <tr> <td> k </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000 E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 1.318519E-01 </ td> <td> 3.120384E + 00 </ td> <td> -1.494442E + 01 </ td> </ tr> <tr> <td> A4 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 6.405246E-05 </ td> <td> 2.103942E-03 </ td> <td> -1.598286E-03 </ td> </ tr> < tr> <td> A6 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 2.278341E-05 </ td> <td> -1.050629E-04 </ td> <td> -9.177115E-04 </ td> </ tr> <tr> <td> A8 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td > -3.672908E-06 </ td> <td> 6.168906E-06 </ td> <td> 1.011405E-04 </ td> </ tr> <tr> <td> A10 </ td> <td> 0.000000E + 00 </ td> <td> 0.00000 0E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 3.748457E-07 </ td> <td> -1.224682E-07 </ td> <td> -4.919835E-06 </ td> </ tr> </ TBODY> </ TABLE> <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> < tr> <td> Table 6 Aspheric coefficients </ td> </ tr> <tr> <td> Surface </ td> <td> 9 </ td> <td> 10 </ td> <td> 11 < / td> <td> 12 </ td> <td> 13 </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> k </ td> <td > 2.744228E-02 </ td> <td> -7.864013E + 00 </ td> <td> -2.263702E + 00 </ td> <td> -4.206923E + 01 </ td> <td> -7.030803 E + 00 </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> A4 </ td> <td> -7.291825E-03 </ td> <td > 1.405243E-04 </ td> <td> -3.919567E-03 </ td> <td> -1.679499E-03 </ td> <td> -2.640099E-03 </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> A6 </ td> <td> 9.730714E-05 </ td> <td> 1.837602E-04 </ td> <td> 2.683449 E-04 </ td> <td> -3.518520E-04 </ td> <td> -4.507651E-05 </ td> <td> </ td> <td> </ td> </ tr> < tr> <td> A8 </ td> <td> 1.101816E-06 </ td> <td> -2.173368E-05 </ td> <td> -1.229452E-05 </ td> <td> 5.047353E -05 </ td> <td> -2.600391E-05 </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> A10 </ td> <td> -6.849076E-07 </ td> <td> 7.328496E-07 </ td> <td> 4.222621E-07 </ td> <td> -3.851055E-06 </ td> <td> 1.161811E-06 </ td> <td> </ td> <td> </ td> </ tr> < / TBODY> </ TABLE> In the third optical embodiment, the curve equation of the aspherical surface is expressed as the first optical embodiment. In addition, the definitions of the parameters in the following table are the same as those of the first optical embodiment, and will not be repeated here.       

According to Table 5 and Table 6, the following conditional expressions can be obtained:         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Third optical embodiment (using the main reference wavelength of 555 nm) </ td> </ tr> <tr> <td> ∣f / f1│ </ td> <td> ∣f / f2│ </ td> <td> ∣f / f3│ </ td> <td> ∣f / f4│ </ td > <td> ∣f / f5│ </ td> <td> ∣f / f6│ </ td> </ tr> <tr> <td> 0.23865 </ td> <td> 0.00062 </ td> <td > 0.37172 </ td> <td> 0.56396 </ td> <td> 0.59621 </ td> <td> 0.11996 </ td> </ tr> <tr> <td> ΣPPR </ td> <td> ΣNPR < / td> <td> ΣPPR / │ΣNPR∣ </ td> <td> IN12 / f </ td> <td> IN56 / f </ td> <td> TP4 / (IN34 + TP4 + IN45) </ td > </ tr> <tr> <td> 1.77054 </ td> <td> 0.12058 </ td> <td> 14.68400 </ td> <td> 2.06169 </ td> <td> 0.49464 </ td> <td > 0.19512 </ td> </ tr> <tr> <td> ∣f1 / f2│ </ td> <td> ∣f2 / f3│ </ td> <td> (TP1 + IN12) / TP2 </ td > <td> (TP6 + IN56) / TP5 </ td> </ tr> <tr> <td> 0.00259 </ td> <td> 600.74778 </ td> <td> 1.30023 </ td> <td> 1.11131 </ td> </ tr> <tr> <td> HOS </ td> <td> InTL </ td> <td> HOS / HOI </ td> <td> InS / HOS </ td> <td> ODT% </ td> <td> TDT% </ td> </ tr> <tr> <td> 42.31580 </ td> <td> 40.63970 </ td> <td> 10.57895 </ td> < td> 0.26115 </ td> <td> -122.32700 </ td> <td> 93.33510 </ td> </ tr> <tr> <td> HVT51 </ td> <td> HVT52 </ td> <td> HVT61 </ td> <td> HVT62 </ td> <td> HVT62 / HOI </ td> <td> HVT62 / HOS </ td> </ tr> <tr> <td> 0 </ td> <td > 0 </ td> <td> 2.22299 </ td> <td> 2.60561 </ td> <td> 0.65140 </ td> <td> 0.06158 </ td> </ tr> <tr> <td> TP2 / TP3 </ td> <td> TP3 / TP4 </ td> <td> InRS61 </ td> <td> InRS62 </ td> <td> │InRS61│ / TP6 </ td> <td> │InRS62│ / TP6 </ td> </ tr> <tr> <td> 7.15374 </ td> <td> 2.42321 </ td> <td> -0.20807 </ td> <td> -0.24978 </ td> <td> 0.10861 </ td> <td> 0.13038 </ td> </ tr> <tr> <td> PhiA </ td> <td> PhiC </ td> <td> PhiD </ td> <td> TH1 </ td > <td> TH2 </ td> <td> HOI </ td> </ tr> <tr> <td> 6.150 mm </ td> <td> 6.41 mm </ td> <td> 6.71 mm </ td > <td> 0.15 mm </ td> <td> 0.13 mm </ td> <td> 4 mm </ td> </ tr> <tr> <td> PhiA / PhiD </ td> <td> TH1 + TH2 </ td> <td> (TH1 + TH2) / HOI </ td> <td> (TH1 + TH2) / HOS </ td> <td> 2 (TH1 + TH2) / PhiA </ td> <td > </ td> </ tr> <tr> <td> 0.9165 </ td> <td> 0.28 mm </ td> <td> 0.07 </ td> <td> 0.0066 </ td> <td> 0.0911 < / td> <td> </ td> </ tr> <tr> <t d> PSTA </ td> <td> PLTA </ td> <td> NSTA </ td> <td> NLTA </ td> <td> SSTA </ td> <td> SLTA </ td> </ tr > <tr> <td> 0.014 mm </ td> <td> 0.002 mm </ td> <td> -0.003 mm </ td> <td> -0.002 mm </ td> <td> 0.011 mm </ td > <td> -0.001 mm </ td> </ tr> </ TBODY> </ TABLE>

According to Tables 5 and 6, the following correlations of the lengths of the contour curves can be obtained:         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Third optical embodiment (using the main reference wavelength of 555 nm) </ td> </ tr> <tr> <td> ARE </ td> <td> 1/2 (HEP) </ td> <td> ARE value </ td> <td> ARE-1 / 2 (HEP) </ td> <td > 2 (ARE / HEP)% </ td> <td> TP </ td> <td> ARE / TP (%) </ td> </ tr> <tr> <td> 11 </ td> <td > 0.877 </ td> <td> 0.877 </ td> <td> -0.00036 </ td> <td> 99.96% </ td> <td> 7.214 </ td> <td> 12.16% </ td> < / tr> <tr> <td> 12 </ td> <td> 0.877 </ td> <td> 0.879 </ td> <td> 0.00186 </ td> <td> 100.21% </ td> <td> 7.214 </ td> <td> 12.19% </ td> </ tr> <tr> <td> 21 </ td> <td> 0.877 </ td> <td> 0.878 </ td> <td> 0.00026 < / td> <td> 100.03% </ td> <td> 10.000 </ td> <td> 8.78% </ td> </ tr> <tr> <td> 22 </ td> <td> 0.877 </ td> <td> 0.877 </ td> <td> -0.00004 </ td> <td> 100.00% </ td> <td> 10.000 </ td> <td> 8.77% </ td> </ tr> < tr> <td> 31 </ td> <td> 0.877 </ td> <td> 0.882 </ td> <td> 0.00413 </ td> <td> 100.47% </ td> <td> 1.398 </ td > <td> 63.06% </ td> </ tr> <tr> <td> 32 </ td> <td> 0.877 </ td> <td> 0.877 </ td> <td> 0.00004 </ td> < td> 100.00% </ td> <td> 1.398 </ td> <td> 6 2.77% </ td> </ tr> <tr> <td> 41 </ td> <td> 0.877 </ td> <td> 0.877 </ td> <td> -0.00001 </ td> <td> 100.00 % </ td> <td> 0.577 </ td> <td> 152.09% </ td> </ tr> <tr> <td> 42 </ td> <td> 0.877 </ td> <td> 0.883 < / td> <td> 0.00579 </ td> <td> 100.66% </ td> <td> 0.577 </ td> <td> 153.10% </ td> </ tr> <tr> <td> 51 </ td> <td> 0.877 </ td> <td> 0.881 </ td> <td> 0.00373 </ td> <td> 100.43% </ td> <td> 2.974 </ td> <td> 29.63% </ td> </ tr> <tr> <td> 52 </ td> <td> 0.877 </ td> <td> 0.883 </ td> <td> 0.00521 </ td> <td> 100.59% </ td> <td> 2.974 </ td> <td> 29.68% </ td> </ tr> <tr> <td> 61 </ td> <td> 0.877 </ td> <td> 0.878 </ td> <td > 0.00064 </ td> <td> 100.07% </ td> <td> 1.916 </ td> <td> 45.83% </ td> </ tr> <tr> <td> 62 </ td> <td> 0.877 </ td> <td> 0.881 </ td> <td> 0.00368 </ td> <td> 100.42% </ td> <td> 1.916 </ td> <td> 45.99% </ td> </ tr > <tr> <td> ARS </ td> <td> EHD </ td> <td> ARS value </ td> <td> ARS-EHD </ td> <td> (ARS / EHD)% </ td> <td> TP </ td> <td> ARS / TP (%) </ td> </ tr> <tr> <td> 11 </ td> <td> 17.443 </ td> <td> 17.620 </ td> <td> 0.178 </ td> <td> 101.02% </ td> <td> 7.214 </ td> <td> 244.2 5% </ td> </ tr> <tr> <td> 12 </ td> <td> 6.428 </ td> <td> 8.019 </ td> <td> 1.592 </ td> <td> 124.76% </ td> <td> 7.214 </ td> <td> 111.16% </ td> </ tr> <tr> <td> 21 </ td> <td> 6.318 </ td> <td> 6.584 </ td> <td> 0.266 </ td> <td> 104.20% </ td> <td> 10.000 </ td> <td> 65.84% </ td> </ tr> <tr> <td> 22 </ td > <td> 6.340 </ td> <td> 6.472 </ td> <td> 0.132 </ td> <td> 102.08% </ td> <td> 10.000 </ td> <td> 64.72% </ td > </ tr> <tr> <td> 31 </ td> <td> 2.699 </ td> <td> 2.857 </ td> <td> 0.158 </ td> <td> 105.84% </ td> < td> 1.398 </ td> <td> 204.38% </ td> </ tr> <tr> <td> 32 </ td> <td> 2.476 </ td> <td> 2.481 </ td> <td> 0.005 </ td> <td> 100.18% </ td> <td> 1.398 </ td> <td> 177.46% </ td> </ tr> <tr> <td> 41 </ td> <td> 2.601 </ td> <td> 2.652 </ td> <td> 0.051 </ td> <td> 101.96% </ td> <td> 0.577 </ td> <td> 459.78% </ td> </ tr> <tr> <td> 42 </ td> <td> 3.006 </ td> <td> 3.119 </ td> <td> 0.113 </ td> <td> 103.75% </ td> <td> 0.577 </ td> <td> 540.61% </ td> </ tr> <tr> <td> 51 </ td> <td> 3.075 </ td> <td> 3.171 </ td> <td> 0.096 </ td> <td> 103.13% </ td> <td> 2.974 </ td> <td> 106.65% </ td> </ tr> <tr> <td> 52 </ td> <td> 3.317 </ td> <td> 3.624 </ td> <td> 0.307 </ td> <td> 109.24% </ td> <td> 2.974 </ td> <td> 121.88% </ td> </ tr> <tr> <td> 61 </ td> <td> 3.331 </ td> <td> 3.427 </ td> <td> 0.095 </ td> <td> 102.86% </ td> <td> 1.916 </ td> <td> 178.88% </ td> </ tr> <tr> <td> 62 </ td> <td> 3.944 </ td> <td> 4.160 </ td> <td> 0.215 </ td> <td> 105.46% </ td> <td> 1.916 </ td> <td> 217.14% </ td> </ tr> </ TBODY> </ TABLE>

According to Table 5 and Table 6, the following conditional expressions can be obtained:         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> The value of the inflection point of the third optical embodiment (using the main reference wavelength of 555 nm) </ td > </ tr> <tr> <td> HIF321 </ td> <td> 2.0367 </ td> <td> HIF321 / HOI </ td> <td> 0.5092 </ td> <td> SGI321 </ td> <td> -0.1056 </ td> <td> ∣SGI321│ / (∣SGI321│ + TP3) </ td> <td> 0.0702 </ td> </ tr> <tr> <td> HIF421 </ td> <td> 2.4635 </ td> <td> HIF421 / HOI </ td> <td> 0.6159 </ td> <td> SGI421 </ td> <td> 0.5780 </ td> <td> ∣SGI421│ / ( ∣SGI421│ + TP4) </ td> <td> 0.5005 </ td> </ tr> <tr> <td> HIF611 </ td> <td> 1.2364 </ td> <td> HIF611 / HOI </ td > <td> 0.3091 </ td> <td> SGI611 </ td> <td> 0.0668 </ td> <td> │SGI611∣ / (│SGI611∣ + TP6) </ td> <td> 0.0337 </ td > </ tr> <tr> <td> HIF621 </ td> <td> 1.5488 </ td> <td> HIF621 / HOI </ td> <td> 0.3872 </ td> <td> SGI621 </ td> <td> 0.2014 </ td> <td> ∣SGI621│ / (∣SGI621│ + TP6) </ td> <td> 0.0951 </ td> </ tr> </ TBODY> </ TABLE>

For the fourth optical embodiment, please refer to FIG. 5A and FIG. 5B. FIG. 5A shows a schematic diagram of a lens group of an optical imaging module according to the fourth optical embodiment of the present invention. Spherical aberration, astigmatism and optical distortion curves of the optical imaging module of the fourth optical embodiment. It can be seen from FIG. 5A that the optical imaging module includes a first lens 410, a second lens 420, an aperture 400, a third lens 430, a fourth lens 440, a fifth lens 450, and an infrared filter in order from the object side to the image side. A sheet 480, an imaging surface 490, and an image sensing element 492.

The first lens 410 has a negative refractive power and is made of glass. The object side surface 412 is a convex surface, and the image side surface 414 is a concave surface, and all of them are spherical.

The second lens 420 has a negative refractive power and is made of plastic. Its object side surface 422 is concave, its image side surface 424 is concave, and both of them are aspheric, and its object side surface 422 has an inflection point.

The third lens 430 has a positive refractive power and is made of plastic. The object side surface 432 is convex, the image side surface 434 is convex, and both are aspheric. The object side surface 432 has an inflection point.

The fourth lens 440 has a positive refractive power and is made of plastic. Its object side 442 is convex, its image side 444 is convex, and both are aspheric. The object side 442 has an inflection point.

The fifth lens 450 has a negative refractive power and is made of plastic. Its object side surface 452 is concave, its image side surface 454 is concave, and both are aspheric. The object side surface 452 has two inflection points. Thereby, it is advantageous to shorten the back focal length to maintain miniaturization.

The infrared filter 480 is made of glass and is disposed between the fifth lens 450 and the imaging surface 490 without affecting the focal length of the optical imaging module.

Please refer to Table 7 and Table 8 below.         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Table 7 Lens data of the fourth optical embodiment </ td> </ tr> <tr> < td> f (focal length) = 2.7883 mm; f / HEP = 1.8; HAF (half angle of view) = 101 deg </ td> </ tr> <tr> <td> surface </ td> <td> radius of curvature </ td> <td> thickness (mm) </ td> <td> material </ td> <td> refractive index </ td> <td> dispersion coefficient </ td> <td> focal length </ td> </ tr > <tr> <td> 0 </ td> <td> Subject </ td> <td> 1E + 18 </ td> <td> 1E + 18 </ td> <td> </ td> < td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 1 </ td> <td> First lens </ td> <td> 76.84219 < / td> <td> 6.117399 </ td> <td> Glass </ td> <td> 1.497 </ td> <td> 81.61 </ td> <td> -31.322 </ td> </ tr> <tr > <td> 2 </ td> <td> </ td> <td> 12.62555 </ td> <td> 5.924382 </ td> <td> </ td> <td> </ td> <td> < / td> <td> </ td> </ tr> <tr> <td> 3 </ td> <td> Second lens </ td> <td> -37.0327 </ td> <td> 3.429817 </ td> <td> Plastic </ td> <td> 1.565 </ td> <td> 54.5 </ td> <td> -8.70843 </ td> </ tr> <tr> <td> 4 </ td> <td> </ td> <td> 5.88556 </ td> <td> 5.305191 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 5 </ td> <td> Third lens </ td> <td> 17.99395 </ td > <td> 14.79391 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 6 </ td> <td> </ td> <td> -5.76903 </ td> <td> -0.4855 </ td> <td> Plastic </ td> <td> 1.565 </ td> <td> 58 </ td > <td> 9.94787 </ td> </ tr> <tr> <td> 7 </ td> <td> Aperture </ td> <td> 1E + 18 </ td> <td> 0.535498 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 8 </ td> <td> Fourth lens < / td> <td> 8.19404 </ td> <td> 4.011739 </ td> <td> Plastic </ td> <td> 1.565 </ td> <td> 58 </ td> <td> 5.24898 </ td > </ tr> <tr> <td> 9 </ td> <td> </ td> <td> -3.84363 </ td> <td> 0.050366 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 10 </ td> <td> Fifth lens </ td> <td> -4.34991 </ td> td> <td> 2.088275 </ td> <td> Plastic </ td> <td> 1.661 </ td> <td> 20.4 </ td> <td> -4.97515 </ td> </ tr> <tr> <td> 11 </ td> <td> </ td> <td> 16.6609 </ td> <td> 0.6 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 12 </ td> <td> Infrared filter </ td> <td> 1E + 1 8 </ td> <td> 0.5 </ td> <td> BK_7 </ td> <td> 1.517 </ td> <td> 64.13 </ td> <td> </ td> </ tr> <tr > <td> 13 </ td> <td> </ td> <td> 1E + 18 </ td> <td> 3.254927 </ td> <td> </ td> <td> </ td> <td > </ td> <td> </ td> </ tr> <tr> <td> 14 </ td> <td> imaging surface </ td> <td> 1E + 18 </ td> <td>- 0.00013 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> Reference wavelength is 555 nm </ td> </ tr> </ TBODY> </ TABLE> Table 8. Aspheric coefficients of the fourth optical embodiment         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Table 8 Aspheric coefficients </ td> </ tr> <tr> <td> Surface < / td> <td> 1 </ td> <td> 2 </ td> <td> 3 </ td> <td> 4 </ td> <td> 5 </ td> <td> 6 </ td > <td> 8 </ td> </ tr> <tr> <td> k </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.131249 </ td> <td> -0.069541 </ td> <td> -0.324555 </ td> <td> 0.009216 </ td> <td> -0.292346 </ td> </ tr> <tr> <td> A4 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 3.99823E-05 </ td> <td> -8.55712E-04 </ td> < td> -9.07093E-04 </ td> <td> 8.80963E-04 </ td> <td> -1.02138E-03 </ td> </ tr> <tr> <td> A6 </ td> < td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 9.03636E-08 </ td> <td> -1.96175E-06 </ td> <td> -1.02465E -05 </ td> <td> 3.14497E-05 </ td> <td> -1.18559E-04 </ td> </ tr> <tr> <td> A8 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 1.91025E-09 </ td> <td> -1.39344E-08 </ td> <td> -8.18157E-08 </ td > <td> -3.15863E-06 </ td> <td> 1.34404E-05 </ td> </ tr> <tr> <td> A10 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> -1.18567E-11 </ td> <td> -4.17090E-09 </ td> <td> -2.42621E-09 </ td> <td> 1.44613E-07 </ td> <td> -2.80681E-06 </ td > </ tr> <tr> <td> A12 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> < td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> </ tr> </ TBODY > </ TABLE> <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Table 8 aspheric coefficients </ td> </ tr> <tr> <td> surface </ td> <td> 9 </ td> <td> 10 </ td> <td> 11 </ td> <td> </ td> <td> </ td> <td> < / td> <td> </ td> </ tr> <tr> <td> k </ td> <td> -0.18604 </ td> <td> -6.17195 </ td> <td> 27.541383 </ td > <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> A4 </ td> <td> 4.33629E- 03 </ td> <td> 1.58379E-03 </ td> <td> 7.56932E-03 </ td> <td> </ td> <td> </ td> <td> </ td> <td > </ td> </ tr> <tr> <td> A6 </ td> <td> -2.91588E-04 </ td> <td> -1.81549E-04 </ td> <td> -7.83858E -04 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> A8 </ td> < td> 9.11419E-06 </ td> <td> -1.18213E-05 </ td> <td> 4.79120E-05 </ td > <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> A10 </ td> <td> 1.28365E- 07 </ td> <td> 1.92716E-06 </ td> <td> -1.73591E-06 </ td> <td> </ td> <td> </ td> <td> </ td> < td> </ td> </ tr> <tr> <td> A12 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> </ TBODY> </ TABLE>

In the fourth optical embodiment, the curve equation of the aspherical surface is expressed as the first optical embodiment. In addition, the definitions of the parameters in the following table are the same as those of the first optical embodiment, and will not be repeated here.

According to Tables 7 and 8, the following conditional expressions can be obtained:         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Fourth optical embodiment (using the main reference wavelength of 555 nm) </ td> </ tr> <tr> <td> ∣f / f1│ </ td> <td> ∣f / f2│ </ td> <td> ∣f / f3│ </ td> <td> ∣f / f4│ </ td > <td> ∣f / f5│ </ td> <td> ∣f1 / f2│ </ td> </ tr> <tr> <td> 0.08902 </ td> <td> 0.32019 </ td> <td > 0.28029 </ td> <td> 0.53121 </ td> <td> 0.56045 </ td> <td> 3.59674 </ td> </ tr> <tr> <td> ΣPPR </ td> <td> ΣNPR < / td> <td> ΣPPR / │ΣNPR∣ </ td> <td> IN12 / f </ td> <td> IN45 / f </ td> <td> ∣f2 / f3│ </ td> </ tr > <tr> <td> 1.4118 </ td> <td> 0.3693 </ td> <td> 3.8229 </ td> <td> 2.1247 </ td> <td> 0.0181 </ td> <td> 0.8754 </ td> </ tr> <tr> <td> TP3 / (IN23 + TP3 + IN34) </ td> <td> (TP1 + IN12) / TP2 </ td> <td> (TP5 + IN45) / TP4 < / td> </ tr> <tr> <td> 0.73422 </ td> <td> 3.51091 </ td> <td> 0.53309 </ td> </ tr> <tr> <td> HOS </ td> < td> InTL </ td> <td> HOS / HOI </ td> <td> InS / HOS </ td> <td> ODT% </ td> <td> TDT% </ td> </ tr> < tr> <td> 46.12590 </ td> <td> 41.77110 </ td> <td> 11.53148 </ td> <td> 0.23936 </ td> <td> -125.266 </ td> <td> 99.167 1 </ td> </ tr> <tr> <td> HVT41 </ td> <td> HVT42 </ td> <td> HVT51 </ td> <td> HVT52 </ td> <td> HVT52 / HOI </ td> <td> HVT52 / HOS </ td> </ tr> <tr> <td> 0.00000 </ td> <td> 0.00000 </ td> <td> 0.00000 </ td> <td> 0.00000 < / td> <td> 0.00000 </ td> <td> 0.00000 </ td> </ tr> <tr> <td> TP2 / TP3 </ td> <td> TP3 / TP4 </ td> <td> InRS51 </ td> <td> InRS52 </ td> <td> │InRS51│ / TP5 </ td> <td> │InRS52│ / TP5 </ td> </ tr> <tr> <td> 0.23184 </ td > <td> 3.68765 </ td> <td> -0.679265 </ td> <td> 0.5369 </ td> <td> 0.32528 </ td> <td> 0.25710 </ td> </ tr> <tr> < td> PhiA </ td> <td> PhiC </ td> <td> PhiD </ td> <td> TH1 </ td> <td> TH2 </ td> <td> HOI </ td> </ tr > <tr> <td> 5.598 mm </ td> <td> 5.858 mm </ td> <td> 6.118 mm </ td> <td> 0.13 mm </ td> <td> 0.13 mm </ td> < td> 4 mm </ td> </ tr> <tr> <td> PhiA / PhiD </ td> <td> TH1 + TH2 </ td> <td> (TH1 + TH2) / HOI </ td> < td> (TH1 + TH2) / HOS </ td> <td> 2 (TH1 + TH2) / PhiA </ td> <td> </ td> </ tr> <tr> <td> 0.9150 </ td> <td> 0.26 mm </ td> <td> 0.065 </ td> <td> 0.0056 </ td> <td> 0.0929 </ td> <td> </ td> </ tr> <tr> <td> PSTA </ td> <td> PLTA </ td> <td> NST A </ td> <td> NLTA </ td> <td> SSTA </ td> <td> SLTA </ td> </ tr> <tr> <td> -0.011 mm </ td> <td> 0.005 mm </ td> <td> -0.010 mm </ td> <td> -0.003 mm </ td> <td> 0.005 mm </ td> <td> -0.00026 mm </ td> </ tr> </ TBODY> </ TABLE>

According to Tables 7 and 8, the following correlations between the lengths of the contour curves can be obtained:         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Fourth optical embodiment (using the main reference wavelength of 555 nm) </ td> </ tr> <tr> <td> ARE </ td> <td> 1/2 (HEP) </ td> <td> ARE value </ td> <td> ARE-1 / 2 (HEP) </ td> <td > 2 (ARE / HEP)% </ td> <td> TP </ td> <td> ARE / TP (%) </ td> </ tr> <tr> <td> 11 </ td> <td > 0.775 </ td> <td> 0.774 </ td> <td> -0.00052 </ td> <td> 99.93% </ td> <td> 6.117 </ td> <td> 12.65% </ td> < / tr> <tr> <td> 12 </ td> <td> 0.775 </ td> <td> 0.774 </ td> <td> -0.00005 </ td> <td> 99.99% </ td> <td > 6.117 </ td> <td> 12.66% </ td> </ tr> <tr> <td> 21 </ td> <td> 0.775 </ td> <td> 0.774 </ td> <td>- 0.00048 </ td> <td> 99.94% </ td> <td> 3.430 </ td> <td> 22.57% </ td> </ tr> <tr> <td> 22 </ td> <td> 0.775 </ td> <td> 0.776 </ td> <td> 0.00168 </ td> <td> 100.22% </ td> <td> 3.430 </ td> <td> 22.63% </ td> </ tr> <tr> <td> 31 </ td> <td> 0.775 </ td> <td> 0.774 </ td> <td> -0.00031 </ td> <td> 99.96% </ td> <td> 14.794 < / td> <td> 5.23% </ td> </ tr> <tr> <td> 32 </ td> <td> 0.775 </ td> <td> 0.776 </ td> <td> 0.00177 </ td > <td> 100.23% </ td> <td> 14.794 </ td> <td> 5 .25% </ td> </ tr> <tr> <td> 41 </ td> <td> 0.775 </ td> <td> 0.775 </ td> <td> 0.00059 </ td> <td> 100.08 % </ td> <td> 4.012 </ td> <td> 19.32% </ td> </ tr> <tr> <td> 42 </ td> <td> 0.775 </ td> <td> 0.779 < / td> <td> 0.00453 </ td> <td> 100.59% </ td> <td> 4.012 </ td> <td> 19.42% </ td> </ tr> <tr> <td> 51 </ td> <td> 0.775 </ td> <td> 0.778 </ td> <td> 0.00311 </ td> <td> 100.40% </ td> <td> 2.088 </ td> <td> 37.24% </ td> </ tr> <tr> <td> 52 </ td> <td> 0.775 </ td> <td> 0.774 </ td> <td> -0.00014 </ td> <td> 99.98% </ td > <td> 2.088 </ td> <td> 37.08% </ td> </ tr> <tr> <td> ARS </ td> <td> EHD </ td> <td> ARS value </ td> <td> ARS-EHD </ td> <td> (ARS / EHD)% </ td> <td> TP </ td> <td> ARS / TP (%) </ td> </ tr> <tr > <td> 11 </ td> <td> 23.038 </ td> <td> 23.397 </ td> <td> 0.359 </ td> <td> 101.56% </ td> <td> 6.117 </ td> <td> 382.46% </ td> </ tr> <tr> <td> 12 </ td> <td> 10.140 </ td> <td> 11.772 </ td> <td> 1.632 </ td> <td > 116.10% </ td> <td> 6.117 </ td> <td> 192.44% </ td> </ tr> <tr> <td> 21 </ td> <td> 10.138 </ td> <td> 10.178 </ td> <td> 0.039 </ td> <td> 100.39% </ td> <td> 3.430 </ td> <td> 296.74% </ td> </ tr> <tr> <td> 22 </ td> <td> 5.537 </ td> <td> 6.337 </ td> <td> 0.800 </ td> <td> 114.44% </ td> <td> 3.430 </ td> <td> 184.76% </ td> </ tr> <tr> <td> 31 </ td> <td> 4.490 </ td> <td> 4.502 </ td> <td> 0.012 </ td> <td> 100.27% </ td> <td> 14.794 </ td> <td> 30.43% </ td> </ tr> <tr> <td> 32 </ td> < td> 2.544 </ td> <td> 2.620 </ td> <td> 0.076 </ td> <td> 102.97% </ td> <td> 14.794 </ td> <td> 17.71% </ td> < / tr> <tr> <td> 41 </ td> <td> 2.735 </ td> <td> 2.759 </ td> <td> 0.024 </ td> <td> 100.89% </ td> <td> 4.012 </ td> <td> 68.77% </ td> </ tr> <tr> <td> 42 </ td> <td> 3.123 </ td> <td> 3.449 </ td> <td> 0.326 < / td> <td> 110.43% </ td> <td> 4.012 </ td> <td> 85.97% </ td> </ tr> <tr> <td> 51 </ td> <td> 2.934 </ td> <td> 3.023 </ td> <td> 0.089 </ td> <td> 103.04% </ td> <td> 2.088 </ td> <td> 144.74% </ td> </ tr> <tr > <td> 52 </ td> <td> 2.799 </ td> <td> 2.883 </ td> <td> 0.084 </ td> <td> 103.00% </ td> <td> 2.088 </ td> <td> 138.08% </ td> </ tr> </ TBODY> </ TABLE>

According to Tables 7 and 8, the following conditional expressions can be obtained:         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> The value of the inflection point of the fourth optical embodiment (using the main reference wavelength of 555 nm) </ td > </ tr> <tr> <td> HIF211 </ td> <td> 6.3902 </ td> <td> HIF211 / HOI </ td> <td> 1.5976 </ td> <td> SGI211 </ td> <td> -0.4793 </ td> <td> │SGI211∣ / (│SGI211∣ + TP2) </ td> <td> 0.1226 </ td> </ tr> <tr> <td> HIF311 </ td> <td> 2.1324 </ td> <td> HIF311 / HOI </ td> <td> 0.5331 </ td> <td> SGI311 </ td> <td> 0.1069 </ td> <td> │SGI311∣ / ( │SGI311∣ + TP3) </ td> <td> 0.0072 </ td> </ tr> <tr> <td> HIF411 </ td> <td> 2.0278 </ td> <td> HIF411 / HOI </ td > <td> 0.5070 </ td> <td> SGI411 </ td> <td> 0.2287 </ td> <td> │SGI411∣ / (│SGI411∣ + TP4) </ td> <td> 0.0539 </ td > </ tr> <tr> <td> HIF511 </ td> <td> 2.6253 </ td> <td> HIF511 / HOI </ td> <td> 0.6563 </ td> <td> SGI511 </ td> <td> -0.5681 </ td> <td> │SGI511∣ / (│SGI511∣ + TP5) </ td> <td> 0.2139 </ td> </ tr> <tr> <td> HIF512 </ td> <td> 2.1521 </ td> <td> HIF512 / HOI </ td> <td> 0.5380 </ td> <td> SGI512 </ td> <td> -0.8314 </ td> <td> │SGI512∣ / (│SGI512∣ + TP5) </ td> <td> 0.2848 </ td> </ tr> </ TBODY> </ TABLE>

For the fifth optical embodiment, please refer to FIG. 6A and FIG. 6B, where FIG. 6A shows a schematic diagram of a lens group of an optical imaging module according to the fifth optical embodiment of the present invention, and FIG. 6B is from left to right in order. Spherical aberration, astigmatism and optical distortion curves of the optical imaging module of the fifth optical embodiment. It can be seen from FIG. 6A that the optical imaging module includes an aperture 500, a first lens 510, a second lens 520, a third lens 530, a fourth lens 540, an infrared filter 570, and an imaging surface in order from the object side to the image side. 580 and the image sensing element 590.

The first lens 510 has a positive refractive power and is made of plastic. Its object side 512 is convex, its image side 514 is convex, and both are aspheric, and its object side 512 has an inflection point.

The second lens 520 has a negative refractive power and is made of plastic. Its object side 522 is convex, its image side 524 is concave and both are aspheric, and its object side 522 has two inflection points and the image side 524 has a Inflection point.

The third lens 530 has a positive refractive power and is made of plastic. The object side 532 is concave, the image side 534 is convex, and both are aspheric. The object side 532 has three inflection points and the image side 534 has a Inflection point.

The fourth lens 540 has a negative refractive power and is made of plastic. Its object side surface 542 is concave, its image side 544 is concave, and both are aspheric. The object side 542 has two inflection points and the image side 544 has a Inflection point.

The infrared filter 570 is made of glass and is disposed between the fourth lens 540 and the imaging surface 580 without affecting the focal length of the optical imaging module.

Please refer to Tables 9 and 10 below.         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Table 9 Lens data of the fifth optical embodiment </ td> <td> </ td> < / tr> <tr> <td> f (focal length) = 1.04102 mm; f / HEP = 1.4; HAF (half angle of view) = 44.0346 deg </ td> <td> </ td> </ tr> <tr> < td> surface </ td> <td> radius of curvature </ td> <td> thickness (mm) </ td> <td> material </ td> <td> refractive index </ td> <td> dispersion coefficient < / td> <td> Focal length </ td> <td> </ td> </ tr> <tr> <td> 0 </ td> <td> Subject </ td> <td> 1E + 18 < / td> <td> 600 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 1 </ td> <td> Aperture </ td> <td> 1E + 18 </ td> <td> -0.020 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 2 </ td> <td> First lens </ td> <td > 0.890166851 </ td> <td> 0.210 </ td> <td> Plastic </ td> <td> 1.545 </ td> <td> 55.96 </ td> <td> 1.587 </ td> <td> < / td> </ tr> <tr> <td> 3 </ td> <td> </ td> <td> -29.11040115 </ td> <td> -0.010 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 4 </ td> <td> </ td> <td> 1E + 18 < / td> <td> 0.116 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 5 </ td> <td> Second lens </ td> <td> 10.67765398 </ td> <td> 0.170 </ td> <td> Plastic </ td> <td> 1.642 < / td> <td> 22.46 </ td> <td> -14.569 </ td> <td> </ td> </ tr> <tr> <td> 6 </ td> <td> </ td> < td> 4.977771922 </ td> <td> 0.049 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 7 </ td> <td> Third lens </ td> <td> -1.191436932 </ td> <td> 0.349 </ td> <td> Plastic </ td> <td> 1.545 </ td> <td> 55.96 </ td> <td> 0.510 </ td> <td> </ td> </ tr> <tr> <td> 8 </ td> <td> < / td> <td> -0.248990674 </ td> <td> 0.030 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td > </ td> </ tr> <tr> <td> 9 </ td> <td> Fourth lens </ td> <td> -38.08537212 </ td> <td> 0.176 </ td> <td> Plastic </ td> <td> 1.642 </ td> <td> 22.46 </ td> <td> -0.569 </ td> <td> </ td> </ tr> <tr> <td> 10 </ td> <td> </ td> <td> 0.372574476 </ td> <td> 0.152 </ td> <td> </ td> <td> </ td> <td> </ td> <td> < / td> <td> </ td> </ tr> <tr> <td> 11 </ td> <td> Infrared filter </ td> <td> 1E + 18 </ td> <td> 0.210 </ td> <td> BK_7 </ td> <td> 1.517 </ td> <td> 64.13 </ td> <td> </ td> <td> < / td> </ tr> <tr> <td> 12 </ td> <td> </ td> <td> 1E + 18 </ td> <td> 0.185 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 13 </ td> <td> imaging surface </ td> <td> 1E + 18 </ td> <td> 0.005 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td > </ td> </ tr> <tr> <td> The reference wavelength is 555 nm; the light blocking position: the clear hole radius of the fourth side is 0.360 mm </ td> <td> </ td> </ tr> </ TBODY> </ TABLE> Table 10. Aspheric coefficients of the fifth optical embodiment         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Table ten aspheric coefficients </ td> </ tr> <tr> <td> Surface < / td> <td> 2 </ td> <td> 3 </ td> <td> 5 </ td> <td> 6 </ td> <td> 7 </ td> <td> 8 </ td > </ tr> <tr> <td> k = </ td> <td> -1.106629E + 00 </ td> <td> 2.994179E-07 </ td> <td> -7.788754E + 01 </ td> <td> -3.440335E + 01 </ td> <td> -8.522097E-01 </ td> <td> -4.735945E + 00 </ td> </ tr> <tr> <td> A4 = </ td> <td> 8.291155E-01 </ td> <td> -6.401113E-01 </ td> <td> -4.958114E + 00 </ td> <td> -1.875957E + 00 </ td > <td> -4.878227E-01 </ td> <td> -2.490377E + 00 </ td> </ tr> <tr> <td> A6 = </ td> <td> -2.398799E + 01 < / td> <td> -1.265726E + 01 </ td> <td> 1.299769E + 02 </ td> <td> 8.568480E + 01 </ td> <td> 1.291242E + 02 </ td> <td > 1.524149E + 02 </ td> </ tr> <tr> <td> A8 = </ td> <td> 1.825378E + 02 </ td> <td> 8.457286E + 01 </ td> <td> -2.736977E + 03 </ td> <td> -1.279044E + 03 </ td> <td> -1.979689E + 03 </ td> <td> -4.841033E + 03 </ td> </ tr> < tr> <td> A10 = </ td> <td> -6.211133E + 02 </ td> <td> -2.157875E + 02 </ td> <td> 2.908537E + 04 </ td> <td> 8.661312 E + 03 </ td> <td> 1.456076E + 04 </ td> <td > 8.053747E + 04 </ td> </ tr> <tr> <td> A12 = </ td> <td> -4.719066E + 02 </ td> <td> -6.203600E + 02 </ td> < td> -1.499597E + 05 </ td> <td> -2.875274E + 04 </ td> <td> -5.975920E + 04 </ td> <td> -7.936887E + 05 </ td> </ tr > <tr> <td> A14 = </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 2.992026E + 05 </ td> <td> 3.764871 E + 04 </ td> <td> 1.351676E + 05 </ td> <td> 4.811528E + 06 </ td> </ tr> <tr> <td> A16 = </ td> <td> 0.000000E +00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> -1.329001E + 05 </ td > <td> -1.762293E + 07 </ td> </ tr> <tr> <td> A18 = </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td > <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 3.579891E + 07 </ td> </ tr> < tr> <td> A20 = </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> 0.000000E + 00 </ td> <td> -3.094006E + 07 </ td> </ tr> </ TBODY> </ TABLE> <TABLE border = "1" borderColor = " # 000000 "width =" 85% "> <TBODY> <tr> <td> Table ten aspheric coefficients </ td> </ tr> <tr> <td> Surface </ td> <td> 9 </ td > < td> 10 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> k = </ td > <td> -2.277155E + 01 </ td> <td> -8.039778E-01 </ td> <td> </ td> <td> </ td> <td> </ td> <td> < / td> </ tr> <tr> <td> A4 = </ td> <td> 1.672704E + 01 </ td> <td> -7.613206E + 00 </ td> <td> </ td> < td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> A6 = </ td> <td> -3.260722E + 02 </ td> <td > 3.374046E + 01 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> A8 = < / td> <td> 3.373231E + 03 </ td> <td> -1.368453E + 02 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> A10 = </ td> <td> -2.177676E + 04 </ td> <td> 4.049486E + 02 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> A12 = </ td> <td> 8.951687E + 04 </ td> <td > -9.711797E + 02 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> A14 = </ td> <td> -2.363737E + 05 </ td> <td> 1.942574E + 03 </ td> <td> </ td> <td> </ td> <td> </ td> <td > </ td> </ tr> <tr> <td> A16 = </ td> <td> 3.983151E + 05 </ td> <td> -2.876356E + 03 </ td> <td> </ td > <td> </ td> <td> </ t d> <td> </ td> </ tr> <tr> <td> A18 = </ td> <td> -4.090689E + 05 </ td> <td> 2.562386E + 03 </ td> <td > </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> A20 = </ td> <td> 2.056724E + 05 < / td> <td> -9.943657E + 02 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> </ TBODY > </ TABLE>

In the fifth optical embodiment, the curve equation of the aspherical surface is expressed as the first optical embodiment. In addition, the definitions of the parameters in the following table are the same as those of the first optical embodiment, and will not be repeated here.

According to Table 9 and Table 10, the following conditional expressions can be obtained:         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Fifth optical embodiment (using the main reference wavelength of 555 nm) </ td> </ tr> <tr> <td> InRS41 </ td> <td> InRS42 </ td> <td> HVT41 </ td> <td> HVT42 </ td> <td> ODT% </ td> <td> TDT% < / td> </ tr> <tr> <td> -0.07431 </ td> <td> 0.00475 </ td> <td> 0.00000 </ td> <td> 0.53450 </ td> <td> 2.09403 </ td > <td> 0.84704 </ td> </ tr> <tr> <td> ∣f / f1│ </ td> <td> ∣f / f2│ </ td> <td> ∣f / f3│ </ td> <td> ∣f / f4│ </ td> <td> ∣f1 / f2│ </ td> <td> ∣f2 / f3│ </ td> </ tr> <tr> <td> 0.65616 < / td> <td> 0.07145 </ td> <td> 2.04129 </ td> <td> 1.83056 </ td> <td> 0.10890 </ td> <td> 28.56826 </ td> </ tr> <tr> <td> ΣPPR </ td> <td> ΣNPR </ td> <td> ΣPPR / │NPR∣ </ td> <td> ΣPP </ td> <td> ΣNP </ td> <td> f1 / ΣPP </ td> </ tr> <tr> <td> 2.11274 </ td> <td> 2.48672 </ td> <td> 0.84961 </ td> <td> -14.05932 </ td> <td> 1.01785 </ td> td> <td> 1.03627 </ td> </ tr> <tr> <td> f4 / ΣNP </ td> <td> IN12 / f </ td> <td> IN23 / f </ td> <td> IN34 / f </ td> <td> TP3 / f </ td> <td> TP4 / f </ td> </ tr> <tr> <td> 1.55872 </ td> <td> 0.10 215 </ td> <td> 0.04697 </ td> <td> 0.02882 </ td> <td> 0.33567 </ td> <td> 0.16952 </ td> </ tr> <tr> <td> InTL </ td> <td> HOS </ td> <td> HOS / HOI </ td> <td> InS / HOS </ td> <td> InTL / HOS </ td> <td> ΣTP / InTL </ td> </ tr> <tr> <td> 1.09131 </ td> <td> 1.64329 </ td> <td> 1.59853 </ td> <td> 0.98783 </ td> <td> 0.66410 </ td> <td> 0.83025 </ td> </ tr> <tr> <td> (TP1 + IN12) / TP2 </ td> <td> (TP4 + IN34) / TP3 </ td> <td> TP1 / TP2 </ td> <td> TP3 / TP4 </ td> <td> IN23 / (TP2 + IN23 + TP3) </ td> </ tr> <tr> <td> 1.86168 </ td> <td> 0.59088 </ td> < td> 1.23615 </ td> <td> 1.98009 </ td> <td> 0.08604 </ td> </ tr> <tr> <td> │InRS41│ / TP4 </ td> <td> │InRS42│ / TP4 </ td> <td> HVT42 / HOI </ td> <td> HVT42 / HOS </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 0.4211 < / td> <td> 0.0269 </ td> <td> 0.5199 </ td> <td> 0.3253 </ td> <td> </ td> <td> </ td> </ tr> <tr> <td > PhiA </ td> <td> PhiC </ td> <td> PhiD </ td> <td> TH1 </ td> <td> TH2 </ td> <td> HOI </ td> </ tr> <tr> <td> 1.596 mm </ td> <td> 1.996 mm </ td> <td> 2.396 mm </ td> <td> 0.2 mm </ td> <td> 0.2 mm </ td> <td > 1.028 mm </ td> </ tr> <tr> <td> PhiA / PhiD </ td> <td> TH1 + TH2 </ td> <td> (TH1 + TH2) / HOI </ td> <td> (TH1 + TH2) / HOS </ td > <td> 2 (TH1 + TH2) / PhiA </ td> <td> </ td> </ tr> <tr> <td> 0.7996 </ td> <td> 0.4 mm </ td> <td> 0.3891 </ td> <td> 0.2434 </ td> <td> 0.5013 </ td> <td> </ td> </ tr> <tr> <td> PSTA </ td> <td> PLTA </ td > <td> NSTA </ td> <td> NLTA </ td> <td> SSTA </ td> <td> SLTA </ td> </ tr> <tr> <td> -0.029 mm </ td> <td> -0.023 mm </ td> <td> -0.011 mm </ td> <td> -0.024 mm </ td> <td> 0.010 mm </ td> <td> 0.011 mm </ td> </ tr> </ TBODY> </ TABLE>

According to Table 9 and Table 10, the following conditional expressions can be obtained:         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> The value of the inflection point of the fifth optical embodiment (using the main reference wavelength of 555 nm) </ td > </ tr> <tr> <td> HIF111 </ td> <td> 0.28454 </ td> <td> HIF111 / HOI </ td> <td> 0.27679 </ td> <td> SGI111 </ td> <td> 0.04361 </ td> <td> │SGI111∣ / (│SGI111∣ + TP1) </ td> <td> 0.17184 </ td> </ tr> <tr> <td> HIF211 </ td> < td> 0.04198 </ td> <td> HIF211 / HOI </ td> <td> 0.04083 </ td> <td> SGI211 </ td> <td> 0.00007 </ td> <td> │SGI211∣ / (│ SGI211∣ + TP2) </ td> <td> 0.00040 </ td> </ tr> <tr> <td> HIF212 </ td> <td> 0.37903 </ td> <td> HIF212 / HOI </ td> <td> 0.36871 </ td> <td> SGI212 </ td> <td> -0.03682 </ td> <td> │SGI212∣ / (│SGI212∣ + TP2) </ td> <td> 0.17801 </ td > </ tr> <tr> <td> HIF221 </ td> <td> 0.25058 </ td> <td> HIF221 / HOI </ td> <td> 0.24376 </ td> <td> SGI221 </ td> <td> 0.00695 </ td> <td> ∣SGI221│ / (∣SGI221│ + TP2) </ td> <td> 0.03927 </ td> </ tr> <tr> <td> HIF311 </ td> < td> 0.14881 </ td> <td> HIF311 / HOI </ td> <td> 0.14476 </ td> <td> SGI311 </ td> <td> -0.00854 </ td> <td> │SGI311∣ / (│SGI311∣ + TP3) </ td> <td> 0.02386 </ td> </ tr> <tr> <td> HIF312 </ td> <td> 0.31992 </ td> <td> HIF312 / HOI </ td> <td> 0.31120 </ td> <td> SGI312 </ td> <td> -0.01783 </ td> <td> │SGI312∣ / (│SGI312∣ + TP3) </ td> <td> 0.04855 < / td> </ tr> <tr> <td> HIF313 </ td> <td> 0.32956 </ td> <td> HIF313 / HOI </ td> <td> 0.32058 </ td> <td> SGI313 </ td> <td> -0.01801 </ td> <td> │SGI313∣ / (│SGI313∣ + TP3) </ td> <td> 0.04902 </ td> </ tr> <tr> <td> HIF321 </ td> <td> 0.36943 </ td> <td> HIF321 / HOI </ td> <td> 0.35937 </ td> <td> SGI321 </ td> <td> -0.14878 </ td> <td> ∣SGI321 │ / (∣SGI321│ + TP3) </ td> <td> 0.29862 </ td> </ tr> <tr> <td> HIF411 </ td> <td> 0.01147 </ td> <td> HIF411 / HOI </ td> <td> 0.01116 </ td> <td> SGI411 </ td> <td> -0.00000 </ td> <td> │SGI411∣ / (│SGI411∣ + TP4) </ td> <td> 0.00001 </ td> </ tr> <tr> <td> HIF412 </ td> <td> 0.22405 </ td> <td> HIF412 / HOI </ td> <td> 0.21795 </ td> <td> SGI412 </ td> <td> 0.01598 </ td> <td> │SGI412∣ / (│SGI412∣ + TP4) </ td> <td> 0.08304 </ td> </ tr> <tr> <td> HIF421 < / td> <td> 0.24105 </ td> <td> HIF421 / HOI </ td > <td> 0.23448 </ td> <td> SGI421 </ td> <td> 0.05924 </ td> <td> ∣SGI421│ / (∣SGI421│ + TP4) </ td> <td> 0.25131 </ td > </ tr> </ TBODY> </ TABLE>

According to Table 9 and Table 10, we can get the correlation between the length of the contour curve 値:         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Fifth optical embodiment (using the main reference wavelength of 555 nm) </ td> </ tr> <tr> <td> ARE </ td> <td> 1/2 (HEP) </ td> <td> ARE value </ td> <td> ARE-1 / 2 (HEP) </ td> <td > 2 (ARE / HEP)% </ td> <td> TP </ td> <td> ARE / TP (%) </ td> </ tr> <tr> <td> 11 </ td> <td > 0.368 </ td> <td> 0.374 </ td> <td> 0.00578 </ td> <td> 101.57% </ td> <td> 0.210 </ td> <td> 178.10% </ td> </ tr> <tr> <td> 12 </ td> <td> 0.366 </ td> <td> 0.368 </ td> <td> 0.00240 </ td> <td> 100.66% </ td> <td> 0.210 </ td> <td> 175.11% </ td> </ tr> <tr> <td> 21 </ td> <td> 0.372 </ td> <td> 0.375 </ td> <td> 0.00267 </ td> <td> 100.72% </ td> <td> 0.170 </ td> <td> 220.31% </ td> </ tr> <tr> <td> 22 </ td> <td> 0.372 </ td > <td> 0.371 </ td> <td> -0.00060 </ td> <td> 99.84% </ td> <td> 0.170 </ td> <td> 218.39% </ td> </ tr> <tr > <td> 31 </ td> <td> 0.372 </ td> <td> 0.372 </ td> <td> -0.00023 </ td> <td> 99.94% </ td> <td> 0.349 </ td > <td> 106.35% </ td> </ tr> <tr> <td> 32 </ td> <td> 0.372 </ td> <td> 0.404 </ td> <td> 0.03219 </ td> < td> 108.66% </ td> <td> 0.349 </ td> <t d> 115.63% </ td> </ tr> <tr> <td> 41 </ td> <td> 0.372 </ td> <td> 0.373 </ td> <td> 0.00112 </ td> <td> 100.30% </ td> <td> 0.176 </ td> <td> 211.35% </ td> </ tr> <tr> <td> 42 </ td> <td> 0.372 </ td> <td> 0.387 </ td> <td> 0.01533 </ td> <td> 104.12% </ td> <td> 0.176 </ td> <td> 219.40% </ td> </ tr> <tr> <td> ARS < / td> <td> EHD </ td> <td> ARS value </ td> <td> ARS-EHD </ td> <td> (ARS / EHD)% </ td> <td> TP </ td > <td> ARS / TP (%) </ td> </ tr> <tr> <td> 11 </ td> <td> 0.368 </ td> <td> 0.374 </ td> <td> 0.00578 < / td> <td> 101.57% </ td> <td> 0.210 </ td> <td> 178.10% </ td> </ tr> <tr> <td> 12 </ td> <td> 0.366 </ td> <td> 0.368 </ td> <td> 0.00240 </ td> <td> 100.66% </ td> <td> 0.210 </ td> <td> 175.11% </ td> </ tr> <tr > <td> 21 </ td> <td> 0.387 </ td> <td> 0.391 </ td> <td> 0.00383 </ td> <td> 100.99% </ td> <td> 0.170 </ td> <td> 229.73% </ td> </ tr> <tr> <td> 22 </ td> <td> 0.458 </ td> <td> 0.460 </ td> <td> 0.00202 </ td> <td > 100.44% </ td> <td> 0.170 </ td> <td> 270.73% </ td> </ tr> <tr> <td> 31 </ td> <td> 0.476 </ td> <td> 0.478 </ td> <td> 0.00161 </ td> <td> 100.34% </ td> <td> 0.349 </ td> <t d> 136.76% </ td> </ tr> <tr> <td> 32 </ td> <td> 0.494 </ td> <td> 0.538 </ td> <td> 0.04435 </ td> <td> 108.98% </ td> <td> 0.349 </ td> <td> 154.02% </ td> </ tr> <tr> <td> 41 </ td> <td> 0.585 </ td> <td> 0.624 </ td> <td> 0.03890 </ td> <td> 106.65% </ td> <td> 0.176 </ td> <td> 353.34% </ td> </ tr> <tr> <td> 42 < / td> <td> 0.798 </ td> <td> 0.866 </ td> <td> 0.06775 </ td> <td> 108.49% </ td> <td> 0.176 </ td> <td> 490.68% < / td> </ tr> </ TBODY> </ TABLE>

For the sixth optical embodiment, please refer to FIG. 7A and FIG. 7B. FIG. 7A shows a schematic diagram of a lens group of an optical imaging module according to the sixth optical embodiment of the present invention. Spherical aberration, astigmatism and optical distortion curves of the optical imaging module of the sixth optical embodiment. It can be seen from FIG. 7A that the optical imaging module includes a first lens 610, an aperture 600, a second lens 620, a third lens 630, an infrared filter 670, an imaging surface 680, and image sensing in order from the object side to the image side. Element 690.

The first lens 610 has a positive refractive power and is made of plastic. The object side 612 is convex, the image side 614 is concave, and both are aspheric.

The second lens 620 has a negative refractive power and is made of plastic. Its object side 622 is concave, its image side 624 is convex, and both are aspheric. Its image side 624 has a point of inflection.

The third lens 630 has a positive refractive power and is made of plastic. Its object side 632 is convex, its image side 634 is convex and both are aspheric, and its object side 632 has two inflection points and the image side 634 has a Inflection point.

The infrared filter 670 is made of glass and is disposed between the third lens 630 and the imaging surface 680 without affecting the focal length of the optical imaging module.

Please refer to Table 11 and Table 12 below.         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Table 11 Lens data of the sixth optical embodiment </ td> <td> </ td> </ tr> <tr> <td> f (focal length) = 2.41135 mm; f / HEP = 2.22; HAF (half angle of view) = 36 deg </ td> <td> </ td> </ tr> <tr> <td> surface </ td> <td> curvature radius </ td> <td> thickness (mm) </ td> <td> material </ td> <td> refractive index </ td> <td> dispersion coefficient </ td> <td> Focal length </ td> <td> </ td> </ tr> <tr> <td> 0 </ td> <td> Subject </ td> <td> 1E + 18 </ td> <td> 600 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr > <tr> <td> 1 </ td> <td> First lens </ td> <td> 0.840352226 </ td> <td> 0.468 </ td> <td> Plastic </ td> <td> 1.535 </ td> <td> 56.27 </ td> <td> 2.232 </ td> <td> </ td> </ tr> <tr> <td> 2 </ td> <td> </ td> < td> 2.271975602 </ td> <td> 0.148 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 3 </ td> <td> Aperture </ td> <td> 1E + 18 </ td> <td> 0.277 </ td> <td> </ td> <td > </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 4 </ td> <td> Second lens </ td > <td> -1.157324 239 </ td> <td> 0.349 </ td> <td> Plastic </ td> <td> 1.642 </ td> <td> 22.46 </ td> <td> -5.221 </ td> <td> < / td> </ tr> <tr> <td> 5 </ td> <td> </ td> <td> -1.968404008 </ td> <td> 0.221 </ td> <td> </ td> < td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 6 </ td> <td> Third lens </ td> <td> 1.151874235 </ td> <td> 0.559 </ td> <td> Plastic </ td> <td> 1.544 </ td> <td> 56.09 </ td> <td> 7.360 </ td> <td> </ td> </ tr> <tr> <td> 7 </ td> <td> </ td> <td> 1.338105159 </ td> <td> 0.123 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 8 </ td> <td> Infrared filter Light sheet </ td> <td> 1E + 18 </ td> <td> 0.210 </ td> <td> BK7 </ td> <td> 1.517 </ td> <td> 64.13 </ td> <td > </ td> <td> </ td> </ tr> <tr> <td> 9 </ td> <td> </ td> <td> 1E + 18 </ td> <td> 0.547 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> 10 </ td> <td> imaging surface </ td> <td> 1E + 18 </ td> <td> 0.000 </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> <td> </ td> </ tr> <tr> <td> Reference wavelength is 555 nm; Light blocking position: The first surface has a clear radius of 0.64 0 mm </ td> <td> </ td> <td> 0.025423 </ td> </ tr> </ TBODY> </ TABLE> Table 12: Aspheric coefficients of the sixth optical embodiment         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Table twelve aspheric coefficients </ td> </ tr> <tr> <td> Surface </ td> <td> 1 </ td> <td> 2 </ td> <td> 4 </ td> <td> 5 </ td> <td> 6 </ td> <td> 7 </ td> </ tr> <tr> <td> k = </ td> <td> -2.019203E-01 </ td> <td> 1.528275E + 01 </ td> <td> 3.743939E + 00 </ td> <td> -1.207814E + 01 </ td> <td> -1.276860E + 01 </ td> <td> -3.034004E + 00 </ td> </ tr> <tr> <td> A4 = </ td> <td> 3.944883E-02 </ td> <td> -1.670490E-01 </ td> <td> -4.266331E-01 </ td> <td> -1.696843E + 00 </ td > <td> -7.396546E-01 </ td> <td> -5.308488E-01 </ td> </ tr> <tr> <td> A6 = </ td> <td> 4.774062E-01 </ td> td> <td> 3.857435E + 00 </ td> <td> -1.423859E + 00 </ td> <td> 5.164775E + 00 </ td> <td> 4.449101E-01 </ td> <td> 4.374142E-01 </ td> </ tr> <tr> <td> A8 = </ td> <td> -1.528780E + 00 </ td> <td> -7.091408E + 01 </ td> <td > 4.119587E + 01 </ td> <td> -1.445541E + 01 </ td> <td> 2.622372E-01 </ td> <td> -3.111192E-01 </ td> </ tr> <tr > <td> A10 = </ td> <td> 5.133947E + 00 </ td> <td> 6.365801E + 02 </ td> <td> -3.456462E + 02 </ td> <td> 2.876958E + 01 </ td> <td> -2.510946E-01 </ td> <t d> 1.354257E-01 </ td> </ tr> <tr> <td> A12 = </ td> <td> -6.250496E + 00 </ td> <td> -3.141002E + 03 </ td> <td> 1.495452E + 03 </ td> <td> -2.662400E + 01 </ td> <td> -1.048030E-01 </ td> <td> -2.652902E-02 </ td> </ tr > <tr> <td> A14 = </ td> <td> 1.068803E + 00 </ td> <td> 7.962834E + 03 </ td> <td> -2.747802E + 03 </ td> <td> 1.661634E + 01 </ td> <td> 1.462137E-01 </ td> <td> -1.203306E-03 </ td> </ tr> <tr> <td> A16 = </ td> <td> 7.995491E + 00 </ td> <td> -8.268637E + 03 </ td> <td> 1.443133E + 03 </ td> <td> -1.327827E + 01 </ td> <td> -3.676651E- 02 </ td> <td> 7.805611E-04 </ td> </ tr> </ TBODY> </ TABLE>

In the sixth optical embodiment, the curve equation of the aspherical surface is expressed as the first optical embodiment. In addition, the definitions of the parameters in the following table are the same as those of the first optical embodiment, and will not be repeated here.

According to Table 11 and Table 12, the following conditional expressions can be obtained:         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Sixth optical embodiment (using the main reference wavelength of 555 nm) </ td> </ tr> <tr> <td> ∣f / f1│ </ td> <td> ∣f / f2│ </ td> <td> ∣f / f3│ </ td> <td> ∣f1 / f2│ </ td > <td> ∣f2 / f3│ </ td> <td> TP1 / TP2 </ td> </ tr> <tr> <td> 1.08042 </ td> <td> 0.46186 </ td> <td> 0.32763 </ td> <td> 2.33928 </ td> <td> 1.40968 </ td> <td> 1.33921 </ td> </ tr> <tr> <td> ΣPPR </ td> <td> ΣNPR </ td > <td> ΣPPR / │ΣNPR∣ </ td> <td> IN12 / f </ td> <td> IN23 / f </ td> <td> TP2 / TP3 </ td> </ tr> <tr> <td> 1.40805 </ td> <td> 0.46186 </ td> <td> 3.04866 </ td> <td> 0.17636 </ td> <td> 0.09155 </ td> <td> 0.62498 </ td> </ tr> <tr> <td> TP2 / (IN12 + TP2 + IN23) </ td> <td> (TP1 + IN12) / TP2 </ td> <td> (TP3 + IN23) / TP2 </ td> < / tr> <tr> <td> 0.35102 </ td> <td> 2.23183 </ td> <td> 2.23183 </ td> </ tr> <tr> <td> HOS </ td> <td> InTL < / td> <td> HOS / HOI </ td> <td> InS / HOS </ td> <td> │ODT│% </ td> <td> │TDT│% </ td> </ tr> < tr> <td> 2.90175 </ td> <td> 2.02243 </ td> <td> 1.61928 </ td> <td> 0.78770 </ td> <td> 1.50000 </ td > <td> 0.71008 </ td> </ tr> <tr> <td> HVT21 </ td> <td> HVT22 </ td> <td> HVT31 </ td> <td> HVT32 </ td> <td > HVT32 / HOI </ td> <td> HVT32 / HOS </ td> </ tr> <tr> <td> 0.00000 </ td> <td> 0.00000 </ td> <td> 0.46887 </ td> < td> 0.67544 </ td> <td> 0.37692 </ td> <td> 0.23277 </ td> </ tr> <tr> <td> PhiA </ td> <td> PhiC </ td> <td> PhiD </ td> <td> TH1 </ td> <td> TH2 </ td> <td> HOI </ td> </ tr> <tr> <td> 2.716 mm </ td> <td> 3.116 mm < / td> <td> 3.616 mm </ td> <td> 0.25 mm </ td> <td> 0.2 mm </ td> <td> 1.792 mm </ td> </ tr> <tr> <td> PhiA / PhiD </ td> <td> TH1 + TH2 </ td> <td> (TH1 + TH2) / HOI </ td> <td> (TH1 + TH2) / HOS </ td> <td> 2 (TH1 + TH2) / PhiA </ td> <td> </ td> </ tr> <tr> <td> 0.7511 </ td> <td> 0.45 mm </ td> <td> 0.2511 </ td> <td > 0.1551 </ td> <td> 0.3314 </ td> <td> </ td> </ tr> <tr> <td> PLTA </ td> <td> PSTA </ td> <td> NLTA </ td> <td> NSTA </ td> <td> SLTA </ td> <td> SSTA </ td> </ tr> <tr> <td> -0.002 mm </ td> <td> 0.008 mm </ td> <td> 0.006 mm </ td> <td> -0.008 mm </ td> <td> -0.007 mm </ td> <td> 0.006 mm </ td> </ tr> </ TBODY> </ TABLE>

According to Table 11 and Table 12, the following conditional expressions can be obtained:         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> The value of the inflection point of the sixth optical embodiment (using the main reference wavelength of 555 nm) </ td > </ tr> <tr> <td> HIF221 </ td> <td> 0.5599 </ td> <td> HIF221 / HOI </ td> <td> 0.3125 </ td> <td> SGI221 </ td> <td> -0.1487 </ td> <td> ∣SGI221│ / (∣SGI221│ + TP2) </ td> <td> 0.2412 </ td> </ tr> <tr> <td> HIF311 </ td> <td> 0.2405 </ td> <td> HIF311 / HOI </ td> <td> 0.1342 </ td> <td> SGI311 </ td> <td> 0.0201 </ td> <td> │SGI311∣ / ( │SGI311∣ + TP3) </ td> <td> 0.0413 </ td> </ tr> <tr> <td> HIF312 </ td> <td> 0.8255 </ td> <td> HIF312 / HOI </ td > <td> 0.4607 </ td> <td> SGI312 </ td> <td> -0.0234 </ td> <td> │SGI312∣ / (│SGI312∣ + TP3) </ td> <td> 0.0476 </ td> </ tr> <tr> <td> HIF321 </ td> <td> 0.3505 </ td> <td> HIF321 / HOI </ td> <td> 0.1956 </ td> <td> SGI321 </ td > <td> 0.0371 </ td> <td> ∣SGI321│ / (∣SGI321│ + TP3) </ td> <td> 0.0735 </ td> </ tr> </ TBODY> </ TABLE>

According to Table 11 and Table 12, the number of contour curve lengths can be obtained:         <TABLE border = "1" borderColor = "# 000000" width = "85%"> <TBODY> <tr> <td> Sixth optical embodiment (using the main reference wavelength of 555 nm) </ td> </ tr> <tr> <td> ARE </ td> <td> 1/2 (HEP) </ td> <td> ARE value </ td> <td> ARE-1 / 2 (HEP) </ td> <td > 2 (ARE / HEP)% </ td> <td> TP </ td> <td> ARE / TP (%) </ td> </ tr> <tr> <td> 11 </ td> <td > 0.546 </ td> <td> 0.598 </ td> <td> 0.052 </ td> <td> 109.49% </ td> <td> 0.468 </ td> <td> 127.80% </ td> </ tr> <tr> <td> 12 </ td> <td> 0.500 </ td> <td> 0.506 </ td> <td> 0.005 </ td> <td> 101.06% </ td> <td> 0.468 </ td> <td> 108.03% </ td> </ tr> <tr> <td> 21 </ td> <td> 0.492 </ td> <td> 0.528 </ td> <td> 0.036 </ td> <td> 107.37% </ td> <td> 0.349 </ td> <td> 151.10% </ td> </ tr> <tr> <td> 22 </ td> <td> 0.546 </ td > <td> 0.572 </ td> <td> 0.026 </ td> <td> 104.78% </ td> <td> 0.349 </ td> <td> 163.78% </ td> </ tr> <tr> <td> 31 </ td> <td> 0.546 </ td> <td> 0.548 </ td> <td> 0.002 </ td> <td> 100.36% </ td> <td> 0.559 </ td> < td> 98.04% </ td> </ tr> <tr> <td> 32 </ td> <td> 0.546 </ td> <td> 0.550 </ td> <td> 0.004 </ td> <td> 100.80% </ td> <td> 0.559 </ td> <td> 98.47% </ t d> </ tr> <tr> <td> ARS </ td> <td> EHD </ td> <td> ARS value </ td> <td> ARS-EHD </ td> <td> (ARS / EHD)% </ td> <td> TP </ td> <td> ARS / TP (%) </ td> </ tr> <tr> <td> 11 </ td> <td> 0.640 </ td > <td> 0.739 </ td> <td> 0.099 </ td> <td> 115.54% </ td> <td> 0.468 </ td> <td> 158.03% </ td> </ tr> <tr> <td> 12 </ td> <td> 0.500 </ td> <td> 0.506 </ td> <td> 0.005 </ td> <td> 101.06% </ td> <td> 0.468 </ td> < td> 108.03% </ td> </ tr> <tr> <td> 21 </ td> <td> 0.492 </ td> <td> 0.528 </ td> <td> 0.036 </ td> <td> 107.37% </ td> <td> 0.349 </ td> <td> 151.10% </ td> </ tr> <tr> <td> 22 </ td> <td> 0.706 </ td> <td> 0.750 </ td> <td> 0.044 </ td> <td> 106.28% </ td> <td> 0.349 </ td> <td> 214.72% </ td> </ tr> <tr> <td> 31 < / td> <td> 1.118 </ td> <td> 1.135 </ td> <td> 0.017 </ td> <td> 101.49% </ td> <td> 0.559 </ td> <td> 203.04% < / td> </ tr> <tr> <td> 32 </ td> <td> 1.358 </ td> <td> 1.489 </ td> <td> 0.131 </ td> <td> 109.69% </ td > <td> 0.559 </ td> <td> 266.34% </ td> </ tr> </ TBODY> </ TABLE>

The optical imaging module of this creation can be one of the groups consisting of electronic portable devices, electronic wearable devices, electronic surveillance devices, electronic information devices, electronic communication devices, machine vision devices, and automotive electronic devices, and as required It can reduce the required mechanism space and increase the screen visible area by using different lens groups.

Please refer to FIG. 8A, which is an optical imaging module 712 and an optical imaging module 714 (front lens) used in this creation for mobile communication device 71 (Smart Phone), and FIG. 8B is an optical imaging module for this creation 722 is used in mobile information device 72 (Notebook), FIG. 8C is used for the optical imaging module 732 created for this smart watch 73 (Smart Watch), and FIG. 8D is used for the optical imaging module 742 created for this author Smart head device 74 (Smart Hat), Figure 8E is the optical imaging module 752 used for the security monitoring device 75 (IP Cam), and Figure 8F is the optical imaging module 762 used for the creation. The vehicle imaging device 76, FIG. 8G is the optical imaging module 772 used for the drone device 77, and FIG. 8H is the optical imaging module 782 used for the extreme sports image device 78.

Although this creation has been disclosed as above in implementation, it is not intended to limit this creation. Any person skilled in this art can make various modifications and retouches without departing from the spirit and scope of this creation, so the protection of this creation The scope shall be determined by the scope of the attached patent application.

Although this creation has been particularly shown and described with reference to its illustrative embodiments, it will be understood by those having ordinary knowledge in the technical field that the spirit of this creation as defined by the scope of the following patent applications and their equivalents will be understood Various changes in form and detail can be made under the categories.

10, 20, 30, 40, 50, 60, 712, 722, 732, 742, 752, 762‧‧‧ optical imaging module

100, 200, 300, 400, 500, 600‧‧‧ aperture

110, 210, 310, 410, 510, 610‧‧‧ first lens

112, 212, 312, 412, 512, 612

114, 214, 314, 414, 514, 614‧‧‧ like side

120, 220, 320, 420, 520, 620‧‧‧ second lens

122, 222, 322, 422, 522, 622

124, 224, 324, 424, 524, 624‧‧‧ like side

130, 230, 330, 430, 530, 630‧‧‧ third lens

132, 232, 332, 432, 532, 632

134, 234, 334, 434, 534, 634 ‧ ‧ like side

140, 240, 340, 440, 540‧‧‧ Fourth lens

142, 242, 342, 442, 542

144, 244, 344, 444, 544‧‧‧ like side

150, 250, 350, 450‧‧‧ fifth lens

152, 252, 352, 452‧‧‧

154, 254, 354, 454‧‧‧ like side

160, 260, 360‧‧‧ Sixth lens

162, 262, 362‧‧‧ side

164, 264, 364‧‧‧ like side

270‧‧‧Seventh lens

272‧‧‧side

274‧‧‧Side profile

180, 280, 380, 480, 580, 680‧‧‧ infrared filter

S, 192, 292, 392, 492, 590, 690‧‧‧ image sensor

EB‧‧‧Circuit Board

EP‧‧‧Circuit Contact

S1‧‧‧First surface

S2‧‧‧Second surface

IP‧‧‧Video contact

SC1‧‧‧Signal conducting element

L‧‧‧ lens group

LB1, LB3‧‧‧ lens base

LH1, LH2, LH4, LH5‧‧‧ lens holder

B1, B2, B4, B5‧‧‧ lens barrels

DH1, DH2, DH4, DH5

UH1, UH4‧‧‧Upper through hole

OT2, OT5‧‧‧ external thread

IT2, IT5‧‧‧ internal thread

IRH4‧‧‧ Filter Holder

IH‧‧‧ Filter Through Hole

IR1, IR2, IR4‧‧‧IR Filter

The above and other features of this creation will be explained in detail by referring to the drawings. Figure 1A is a schematic diagram of a first structural embodiment of the present invention; Figure 1B is a schematic diagram of a second structural embodiment of the present invention; Figure 1C is a schematic diagram of a third structural embodiment of the present invention; Figure 1 is a schematic diagram of the fourth structural embodiment of the creative; Figure 1E is a schematic diagram of the fifth structural embodiment of the creative; Figure 2A is a schematic diagram of the first optical embodiment of the creative; Figure 2B is by From left to right, the graphs of spherical aberration, astigmatism, and optical distortion of the first optical embodiment of this creation are shown in sequence; FIG. 3A is a schematic diagram of the second optical embodiment of this creation; FIG. 3B is from left to right Spherical aberration, astigmatism, and optical distortion curves of the second optical embodiment of this creation are drawn in sequence; Figure 4A is a schematic diagram of the third optical embodiment of this creation; Figure 4B is sequentially drawn from left to right The curve diagram of spherical aberration, astigmatism and optical distortion of the third optical embodiment of this creation; FIG. 5A is a schematic diagram showing the fourth optical embodiment of this creation; FIG. 5B shows this creation in order from left to right Spherical aberration, astigmatism, and light of the fourth optical embodiment Distortion curve diagram; Figure 6A is a schematic diagram showing the fifth optical embodiment of this creation; Figure 6B shows the spherical aberration, astigmatism and optical distortion curves of the fifth optical embodiment in this order from left to right. Figure 7A is a schematic diagram showing the sixth optical embodiment of the present invention; Figure 7B is a diagram showing the spherical aberration, astigmatism, and optical distortion of the sixth optical embodiment of the present invention in order from left to right; Figure 8A is a schematic diagram of the optical imaging module used in the mobile communication device; Figure 8B is a schematic diagram of the optical imaging module used in the mobile information device; Figure 8C is an optical imaging module of the creative Schematic diagram used in smart watches; Figure 8D is a schematic diagram of the optical imaging module used in the smart head-mounted device; Figure 8E is a schematic diagram of the optical imaging module used in the security monitoring device; Figure 8F is a schematic diagram of the optical imaging module used in the automotive imaging device. Figure 8G is a schematic diagram of the optical imaging module used in unmanned aircraft installations; Figure 8H is a schematic diagram of the optical imaging module used in extreme sports imaging devices.

Claims (25)

An optical imaging module includes: a circuit component including a circuit substrate and an image sensing element; the circuit substrate has a plurality of circuit contacts; the image sensing element has a first surface and a second surface; The first surface faces the circuit substrate and has a plurality of image contacts, and each of the image contacts is provided with a signal conducting element, and the signal conducting elements are respectively connected with the circuit contacts on the circuit substrate so that the The image contacts are electrically connected to the corresponding circuit contacts through the signal conducting element provided thereon; the second surface has a sensing surface; a lens assembly including a lens base and a lens group; the lens base The base is made of opaque material and has a receiving hole penetrating both ends of the lens base to make the lens base hollow; in addition, the lens base is disposed on the circuit substrate to make the image sensing The element is located in the accommodation hole; the lens group includes at least two lenses having refractive power, and is arranged on the lens base and located in the accommodation hole; in addition, the imaging of the lens group Located on the sensing surface, and the optical axis of the lens group overlaps with the center normal of the sensing surface, so that light can pass through the lens group in the accommodation hole and project to the sensing surface; further, the optical imaging The module more satisfies the following conditions: 1.0 ≦ f / HEP ≦ 10.0; 0 deg <HAF ≦ 150 deg; 0 mm <PhiD ≦ 18 mm; 0 <PhiA / PhiD ≦ 0.99; and 0.9 ≦ 2 (ARE / HEP) ≦ 2.0 Among them, f is the focal length of the lens group; HEP is the entrance pupil diameter of the lens group; HAF is half of the maximum viewing angle of the lens group; PhiD is the outer periphery of the lens base and is perpendicular to the optical axis of the lens group The maximum value of the minimum side length in the plane of P; PhiA is the maximum effective diameter of the lens surface of the lens group closest to the imaging surface; ARE is based on the intersection of any lens surface of any lens in the lens group with the optical axis as The length of the contour curve obtained from the starting point and the position at the vertical height of 1/2 of the entrance pupil diameter from the optical axis as the end point, extending along the contour of the lens surface. The optical imaging module according to claim 1, further meets the following conditions: 0.9 ≦ ARS / EHD ≦ 2.0; wherein the ARS starts from the intersection of any lens surface of any lens in the lens group with the optical axis, The length of the contour curve obtained by extending the contour of the lens surface at the end of the maximum effective radius of the lens surface; EHD is the maximum effective radius of any surface of any lens in the lens group. According to the optical imaging module described in claim 1, the following conditions are more satisfied: PLTA ≦ 100 μm; PSTA ≦ 100 μm; NLTA ≦ 100 μm; NSTA ≦ 100 μm; SLTA ≦ 100 μm; SSTA ≦ 100 μm; and │TDT │ <250%; Among them, first define HOI as the maximum imaging height perpendicular to the optical axis on the imaging surface; PLTA is the longest working wavelength of the visible light of the positive meridional fan of the optical imaging module passes through the edge of the entrance pupil and is incident Transverse aberration at 0.7HOI on the imaging plane; PSTA is the shortest working wavelength of the visible light of the positive meridional fan of the optical imaging module passing through the edge of the entrance pupil and incident on the imaging plane at 0.7HOI NLTA is the lateral aberration of the longest visible wavelength of the visible light of the negative meridional fan of the optical imaging module passing through the edge of the entrance pupil and incident on the imaging surface at 0.7HOI; NSTA is the negative of the optical imaging module The shortest working wavelength of the visible light of the meridional fan passes through the edge of the entrance pupil and is incident on the imaging plane with a lateral aberration of 0.7HOI; SLTA is the longest working wavelength of the visible light of the sagittal fan of the optical imaging module. The lateral aberration of the entrance pupil edge and incident on the imaging plane at 0.7HOI; SSTA is the shortest working wavelength of the visible light of the sagittal plane fan of the optical imaging module and passes through the entrance pupil edge and incident on the imaging plane at 0.7HOI TDT is the TV distortion of the optical imaging module at the time of image formation. The optical imaging module according to claim 1, wherein the lens group includes four lenses having refractive power, and a first lens, a second lens, a third lens, and A fourth lens, and the lens group satisfies the following conditions: 0.1 ≦ InTL / HOS ≦ 0.95; wherein HOS is the distance from the object side of the first lens to the imaging surface on the optical axis; InTL is the distance of the first lens The distance from the object side to the image side of the fourth lens on the optical axis. The optical imaging module according to claim 1, wherein the lens group includes five lenses having refractive power, from the object side to the image side, a first lens, a second lens, a third lens, A fourth lens and a fifth lens, and the lens group satisfies the following conditions: 0.1 ≦ InTL / HOS ≦ 0.95; wherein HOS is the distance from the object side of the first lens to the imaging surface on the optical axis; InTL The distance from the object side of the first lens to the image side of the fifth lens on the optical axis. The optical imaging module according to claim 1, wherein the lens group includes six lenses having refractive power, and sequentially from the object side to the image side are a first lens, a second lens, a third lens, A fourth lens, a fifth lens, and a sixth lens, and the lens group satisfies the following conditions: 0.1 ≦ InTL / HOS ≦ 0.95; wherein HOS is the object side of the first lens to the imaging surface on the optical axis Distance; InTL is the distance from the object side of the first lens to the image side of the sixth lens on the optical axis. The optical imaging module according to claim 1, wherein the lens group includes seven lenses having refractive power, and a first lens, a second lens, a third lens, A fourth lens, a fifth lens, a sixth lens, and a seventh lens, and the lens group satisfies the following conditions: 0.1 ≦ InTL / HOS ≦ 0.95; wherein HOS is the object side of the first lens to the The distance of the imaging surface on the optical axis; InTL is the distance of the object side of the first lens to the image side of the seventh lens on the optical axis. The optical imaging module described in claim 1 further satisfies the following conditions: MTFQ0 ≧ 0.2; MTFQ3 ≧ 0.01; and MTFQ7 ≧ 0.01; Among them, HOI is first defined as the maximum imaging height perpendicular to the optical axis on the imaging surface; MTFQ0 is Modulation conversion contrast transfer rate when the optical axis of visible light on the imaging plane is at a spatial frequency of 110 cycles / mm; MTFQ3 is the modulation conversion contrast transfer rate when 0.3HOI of visible light on the imaging plane is at a spatial frequency of 110 cycles / mm; MTFQ7 is the modulation conversion contrast transfer rate of 0.7HOI of visible light on the imaging surface at a spatial frequency of 110 cycles / mm. The optical imaging module according to claim 1, further comprising an aperture, and the aperture satisfies the following formula: 0.2 ≦ InS / HOS ≦ 1.1; where InS is the distance from the aperture to the imaging surface on the optical axis; HOS The distance from the lens surface of the lens group farthest from the imaging plane to the imaging plane on the optical axis. The optical imaging module according to claim 1, wherein the lens base includes a lens barrel and a lens holder; the lens holder is fixed on the circuit substrate and has a through hole penetrating below both ends of the lens holder So that the image sensing element is located in the lower through hole, the lens barrel is arranged in the lens holder and is located in the lower through hole, and the lens barrel has a through hole penetrating above both ends of the lens barrel, so that the The upper through-hole communicates with the lower through-hole to form the accommodation hole together; and the through-hole above the lens barrel is directly facing the sensing surface of the image sensing element; in addition, the lens group is disposed in the lens barrel and It is located in the upper through hole, and PhiD refers to the maximum value of the minimum side length on the plane of the outer periphery of the lens holder and perpendicular to the optical axis of the lens group. The optical imaging module described in claim 10, further meets the following conditions: 0 mm <TH1 + TH2 ≦ 1.5mm; where TH1 is the maximum thickness of the lens holder; TH2 is the minimum thickness of the lens barrel. The optical imaging module described in claim 10, further meets the following conditions: 0 <(TH1 + TH2) /HOI≦0.95; where TH1 is the maximum thickness of the lens holder; TH2 is the minimum thickness of the lens barrel; HOI Is the maximum imaging height perpendicular to the optical axis on the imaging plane. The optical imaging module according to claim 10, wherein the outer peripheral wall of the lens barrel has external threads, and the lens holder has internal threads on the hole wall of the lower through hole to be screwed with the external threads, so that The lens barrel is disposed in the lens holder and fixed in the lower through hole. The optical imaging module according to claim 10, wherein an adhesive is provided between the lens barrel and the lens holder and is fixed with an adhesive phase, so that the lens barrel is disposed in the lens holder and fixed to the lens holder. Inside the through hole. The optical imaging module according to claim 1, wherein the lens base is made by a one-piece molding method. The optical imaging module according to claim 15, further comprising an infrared filter, and the infrared filter is disposed in the lens base and located in the accommodation hole and above the image sensing element. The optical imaging module according to claim 10 further includes an infrared filter, which is disposed in the lens barrel or the lens holder and is located above the image sensing element. The optical imaging module according to claim 1, further comprising an infrared filter, and the lens base includes a filter holder, and the filter holder has a filter passing through both ends of the filter holder. Through holes, and the infrared filter is set in the filter holder and is located in the filter through hole, and the filter holder is set on the circuit substrate, so that the infrared filter Located above the image sensing element. The optical imaging module according to claim 18, wherein the lens base includes a lens barrel and a lens holder; the lens holder is fixed on the filter holder and has a penetrating end under the lens holder. A through-hole; the lens barrel is disposed in the lens holder and is located in the lower through-hole, and the lens barrel has a through-hole passing through both ends of the lens barrel, so that the upper through-hole and the lower through-hole and the filter The through holes of the light sheet communicate with each other to form the containing hole, and the through hole on the lens barrel is directly facing the sensing surface of the image sensing element; in addition, the lens group is disposed in the lens barrel and is located on the upper through hole. And PhiD refers to the maximum value of the minimum side length on the outer periphery of the lens holder and on a plane perpendicular to the optical axis of the lens group. According to the optical imaging module described in claim 19, the following conditions are more satisfied: 0 mm <TH1 + TH2 ≦ 1.5mm; wherein TH1 is the maximum thickness of the lens holder; TH2 is the minimum thickness of the lens barrel. According to the optical imaging module described in claim 19, the following conditions are more satisfied: 0 <(TH1 + TH2) /HOI≦0.95; where TH1 is the maximum thickness of the lens holder; TH2 is the minimum thickness of the lens barrel; HOI Is the maximum imaging height perpendicular to the optical axis on the imaging plane. The optical imaging module according to claim 19, wherein the outer peripheral wall of the lens barrel has external threads, and the lens holder has an internal thread on the hole wall of the lower through hole to be screwed with the external thread so that the A lens barrel is disposed in the lens holder and located in the lower through hole; in addition, an adhesive is provided between the lens holder and the filter holder and fixed with an adhesive bonding phase, so that the lens holder is fixed to the filter Tablet holder. The optical imaging module according to claim 19, wherein an adhesive is provided between the lens barrel and the lens holder and fixed with an adhesive bonding phase, so that the lens barrel is disposed in the lens holder and located in the lower channel. In addition, an adhesive is provided between the lens holder and the filter holder, and the lens holder and the filter holder are fixed with an adhesive phase, so that the lens holder is fixed on the filter holder. The optical imaging module according to claim 1, wherein the signal conducting elements are made of solder balls, bumps, pins, or groups thereof. The optical imaging module according to claim 1 is applied to electronic portable devices, electronic wearable devices, electronic monitoring devices, electronic information devices, electronic communication devices, machine vision devices, automotive electronic devices, and formed groups Group one.