TWM575128U - Optical imaging module - Google Patents

Abstract

This creation discloses an optical imaging module including a circuit component and a lens component. The circuit component may include a base, a circuit substrate, an image sensing element, a conductor, and a multi-lens frame. The image sensing element can be disposed in the accommodating space of the base. The conductive body may be disposed between the circuit contacts of the circuit substrate and the plurality of image contacts of the image sensing element. The multi-lens frame can be made in one piece, and is covered on the circuit substrate and the image sensing element. The lens assembly may include a lens base, a fixed focus lens group, a focus lens group, and a driving component. The lens base may be disposed on a multi-lens frame. The focus lens group and the fixed focus lens group may have at least two lenses having refractive power. The driving component can be electrically connected to the circuit substrate and drive the focusing lens group to move in the direction of the center normal of the sensing surface.

Description

Optical imaging module

This creation is about an optical imaging module, especially an optical imaging module and imaging system with a fixed-focus lens group and a focusing lens group, and an integrated multi-lens frame.

There are still many problems to be overcome in the assembly of today's video recording devices. Especially, multi-lens video recording devices have multiple lenses. Can the optical axis be aligned during assembly or manufacturing? The photosensitive element will have a very important impact on the image quality.

In addition, if the camera has a focusing function, such as when the lens is moved to focus, the components will be more complicated, so it will be more difficult to control the assembly and packaging quality of all parts.

Furthermore, to meet higher-level photography requirements, the camera will have more lenses, such as more than four lenses, so how to consider multiple lenses, such as at least two or more, or even four or more Can have good imaging quality, will be very important and need to be resolved.

In addition, current packaging technologies, such as the technology of directly placing image sensing elements on a substrate, cannot effectively reduce the height of the overall optical imaging module. Therefore, an optical imaging module and imaging system are needed to solve the above-mentioned problems. Know the problem.

In view of the above-mentioned conventional problems, this creation provides an optical imaging module and imaging system that can make the optical axis of each fixed focus lens group and each focus lens group overlap the center normal of the sensing surface. The light can pass through the fixed-focus lens groups and the focusing lens groups in the accommodation hole and pass through the light channel to be projected to the sensing surface to ensure the imaging quality, and the image sensing element can be set on the base of the optical imaging module. In the accommodating space, the height of the overall optical imaging module can be effectively reduced.

Based on the above purpose, the present invention provides an optical imaging module including a circuit component and a lens component. The circuit component may include at least one base, at least one circuit substrate, at least two image sensing elements, a plurality of electrical conductors, and a multi-lens frame. The base may have at least one accommodation space. The circuit substrate may be disposed on the base and has at least one light-transmitting area, and the circuit substrate may be provided with a plurality of circuit contacts. At least two image sensing elements can be respectively housed in each containing space. Each image sensing element can include a first surface and a second surface. The first surface of each image sensing element is adjacent to the bottom surface of each containing space and its first surface. The two surfaces may have a sensing surface and a plurality of image contacts. The plurality of electrical conductors may be disposed between the circuit contacts and the image contacts of the image sensing elements. The multi-lens frame can be made in an integrated manner, and is covered on each circuit substrate, and the position corresponding to the sensing surface of each image sensing element can have a plurality of light channels. The lens assembly may include at least two lens bases, at least a certain focus lens group, at least one focus lens group, and at least one driving component. Each lens base can be made of opaque material, and has accommodating holes passing through both ends of the lens base to make the lens base hollow, and the lens base can be set on multiple lens frames to connect the accommodating holes and light channels. through. The at least certain focus lens group may have at least two lenses having refractive power, and are arranged on the lens base and located in the accommodating hole, and the imaging surface of the fixed focus lens group may be located on the sensing surface of the image sensing element, and fixed focus The optical axis of the lens group passes through the light transmission area and overlaps with the center normal of the sensing surface of the image sensing element, so that the light passes through the fixed-focus lens group in each accommodation hole and passes through each light channel and is projected to the image sensing element. Of the sensing surface. The at least one focusing lens group may have at least two lenses having refractive power, and are arranged on the lens base and located in the accommodation hole, the imaging surface of the focusing lens group may be located on the sensing surface of the image sensing element, and the focusing lens group The optical axis passes through the transparent area and the sensor The center normals of the measuring surfaces overlap, so that light passes through the focusing lens groups in each of the accommodation holes and passes through each light channel and is projected to the sensing surface of the image sensing element. At least one driving component can be electrically connected to the circuit substrate and drive the focusing lens group to move in the direction of the center normal of the sensing surface of the image sensing element. Each fixed-focus lens group or each focusing lens group more satisfies the following conditions: 1.0 ≦ f / HEP ≦ 10.0; 0deg <HAF ≦ 150deg; 0mm <PhiD ≦ 18mm; 0 <PhiA / PhiD ≦ 0.99; and 0.9 ≦ 2 (ARE / HEP) ≦ 2.0.

Among them, f is the focal length of the fixed focus lens group or focus lens group; HEP is the entrance pupil diameter of the fixed focus lens group or focus lens group; HAF is half of the maximum viewing angle of the fixed focus lens group or focus lens group; PhiD is the lens The maximum value of the minimum side length on a plane outside the base and perpendicular to the optical axis of the fixed focus lens group or focus lens group; PhiA is the largest effective lens surface of the fixed focus lens group or focus lens group closest to the imaging surface Diameter; ARE is the starting point of the intersection between the lens surface of any lens in the fixed focus lens group or any lens in the focus lens group and the optical axis, and the end point at the vertical height of 1/2 of the entrance pupil diameter from the optical axis. The length of the contour curve obtained along the contour of the lens surface.

Preferably, each lens base may include a lens barrel and a lens holder. The lens barrel has a through hole penetrating through both ends of the lens barrel, and the lens holder has a through hole penetrating through both ends of the lens holder. The lens barrel may be disposed on the lens. The bracket is located in the lower through hole, so that the upper through hole communicates with the lower through hole to form a receiving hole together. The lens holder can be fixed to the multi-lens frame, so that each light transmitting area is located in the lower through hole, and the lens barrel Upper through hole It can directly face the sensing surface of each image sensing element and each light transmission area. Each focusing module can be set in the lens barrel and located in the upper through hole, and the driving component can drive the lens barrel to the image sensing element relative to the lens holder. The sensing surface of the lens is moved in the direction of the normal of the center, and PhiD is the maximum value of the minimum side length on a plane outside the lens holder and perpendicular to the optical axis of each focus lens group or each fixed focus lens group.

Preferably, the optical imaging module of the present invention may further include at least one data transmission line which is electrically connected to each of the circuit substrates and transmits a plurality of sensing signals generated by each image sensing element.

Preferably, the plurality of image sensing elements can sense a plurality of color images.

Preferably, at least one of the plurality of image sensing elements can sense a plurality of black and white images, and at least one of the plurality of image sensing elements can sense a plurality of color images.

Preferably, the optical imaging module of the present invention may further include at least two infrared filters, and each infrared filter may be disposed in each lens base and located in each accommodation hole and above each image sensing element.

Preferably, the optical imaging module of the present invention may further include at least two infrared filters, and each infrared filter may be disposed in a lens barrel or a lens holder and located above each image sensing element.

Preferably, the optical imaging module of the present invention may further include at least two infrared filters, and each of the lens bases includes a filter holder, and the filter holder has filters passing through both ends of the filter holder. Light through holes, and each of the infrared filters is disposed in each of the filter holders and is located in the filter through holes, and the filter holder can be provided on the multi-lens frame corresponding to the positions of a plurality of light channels. , So that each infrared filter is located above the image sensing element.

Preferably, each lens base includes a lens barrel and a lens holder. The lens barrel has through holes penetrating above both ends of the lens barrel, and the lens holder has through holes penetrating below both ends of the lens holder. The lens barrel can be disposed in the lens holder and located in the lower through hole. The lens holder can be fixed on the filter holder, and the lower through hole and the upper The through hole and the filter through hole communicate together to form an accommodation hole, so that each image sensing element is located in each filter through hole, and the through hole above the lens barrel is directly facing the sensing surface of each image sensing element and Each light-transmitting area. In addition, the focus lens group and the fixed focus lens group may be disposed in the lens barrel and located in the upper through hole.

Preferably, the optical imaging module of the present invention may further include at least two infrared filters, and each infrared filter may be disposed in each light-transmitting area.

Preferably, the material of the multi-lens frame may include any one or a combination of thermoplastic resin, industrial plastic, insulating material, metal, conductive material, or alloy.

Preferably, the multi-lens frame may include a plurality of lens mounts, and each lens mount may have a light channel and have a central axis, and the distance between the central axis of each lens mount may be between 2 mm and 200 mm.

Preferably, each driving component may include a voice coil motor.

Preferably, the optical imaging module may have at least two lens groups, which may be a first lens group and a second lens group, respectively, and at least one of the first lens group and the second lens group is a focus lens group or a fixed focus lens Group, and the viewing angle FOV of the second lens group is greater than the viewing angle FOV of the first lens group.

Preferably, the optical imaging module may have at least two lens groups, which may be a first lens group and a second lens group, respectively, and at least one of the first lens group and the second lens group is a focus lens group or a fixed focus lens And the focal length of the first lens group is greater than the focal length of the second lens group.

Preferably, the optical imaging module may have at least three lens groups, which may be a first lens group, a second lens group, and a third lens group, respectively, and at least one of the first lens group, the second lens group, and the third lens group One group is a focus lens group or a fixed focus lens group, and the angle of view FOV of the second lens group may be greater than the angle of view FOV of the first lens group, and the angle of view FOV of the second lens group may be greater than 46 °, and correspondingly receives the first lens group Each image sensing element of the light of the second lens group can sense a plurality of color images.

Preferably, the optical imaging module may have at least three lens groups, which may be a first lens group, a second lens group, and a third lens group, respectively, and at least one of the first lens group, the second lens group, and the third lens group One group is a focusing lens group or a fixed focus lens group, and the focal length of the first lens group may be greater than that of the second lens group, and each image sensing element corresponding to the light received by the first lens group and the second lens group may sense a plurality Color images.

Preferably, the optical imaging module more satisfies 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 imaging surface perpendicular to Maximum imaging height of the optical axis.

Preferably, the optical imaging module more satisfies the following conditions: 0mm <TH1 + TH2 ≦ 1.5mm; wherein TH1 is the maximum thickness of the lens holder; TH2 is the minimum thickness of the lens barrel.

Preferably, the optical imaging module further satisfies the following conditions: 0.9 ≦ ARS / EHD ≦ 2.0. The ARS starts from the intersection of the lens surface and the optical axis of any lens in the fixed focus lens group or any lens in the focus lens group, and ends at the maximum effective radius of the lens surface. . EHD is the maximum effective radius of any surface of the fixed focus lens group or any lens in the focus lens group group.

Preferably, the optical imaging module further satisfies the following conditions: PLTA ≦ 100 μm; PSTA ≦ 100 μm; NLTA ≦ 100 μm; and NSTA ≦ 100 μm. SLTA ≦ 100 μm; SSTA ≦ 100 μm. Among them, HOI is 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, which passes through the edge of the entrance pupil and is incident on the imaging surface at 0.7HOI. Poor; PSTA is an optical imaging module The shortest working wavelength of the visible light of the positive meridional fan passes through the edge of the entrance pupil and is incident on the imaging plane with a horizontal aberration NLTA of 0.7HOI. The longest working wavelength of the visible light of the negative meridional fan of the optical imaging module passes through the entrance pupil. Lateral aberration at 0.7HOI on the imaging surface at the edge; NSTA is the shortest 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; SLTA is the longest working wavelength of the visible light of the sagittal plane fan of the optical imaging module, which passes through the edge of the entrance pupil and is incident on the imaging plane at 0.7HOI. SSTA is the shortest visible light of the sagittal plane fan of the optical imaging module. A transverse aberration at a wavelength of 0.7 HOI passing through the edge of the entrance pupil and incident on the imaging plane.

Preferably, the fixed-focus lens group or the focusing lens group may include four lenses having refractive power, and the first lens, the second lens, the third lens, and the fourth lens are sequentially arranged from the object side to the image side, and the fixed focus is set. The lens group or focus lens group satisfies the following conditions: 0.1 ≦ InTL / HOS ≦ 0.95. Further explanation, HOS is the distance from the object side of the first lens to the imaging plane on the optical axis. InTL is the distance on the optical axis from the object side of the first lens to the image side of the fourth lens.

Preferably, the fixed-focus lens group or the focusing lens group may include five lenses having refractive power, and the first lens, the second lens, the third lens, the fourth lens, and the fifth lens are sequentially from the object side to the image side. And the fixed focus lens group or focus lens group satisfies the following conditions: 0.1 ≦ InTL / HOS ≦ 0.95. To further explain, HOS is the distance from the object side of the first lens to the imaging plane on the optical axis; InTL is the distance from the object side of the first lens to the image side of the fifth lens on the optical axis.

Preferably, the fixed focus lens group or the focusing lens group may include six lenses having refractive power, and the first lens, the second lens, the third lens, the fourth lens, and the fifth lens are sequentially from the object side to the image side. And the sixth lens, and the fixed focus lens group or focus lens group satisfies the following conditions: 0.1 ≦ InTL / HOS ≦ 0.95. To further explain, HOS is the distance from the object side of the first lens to the imaging plane on the optical axis; InTL is the distance from the object side of the first lens to the image side of the sixth lens on the optical axis.

Preferably, the fixed-focus lens group or the focusing lens group may include seven lenses having refractive power, and the first lens, the second lens, the third lens, the fourth lens, and the fifth lens are sequentially from the object side to the image side. , The sixth lens, and the seventh lens, and the fixed focus lens group or the focus lens group may satisfy the following condition 0.1 ≦ InTL / HOS ≦ 0.95. HOS is the distance from the object side of the first lens to the imaging plane on the optical axis. InTL is the distance on the optical axis from the object side of the first lens to the image side of the seventh lens.

Based on the above purpose, this creation further provides an optical imaging system, which includes the optical imaging module as described above, and is applied to electronic portable devices, electronic wearable devices, electronic monitoring devices, electronic information devices, and electronic communication devices. , Machine vision devices, automotive electronics, and one of the groups it forms.

Based on the above purpose, the present invention further provides an optical imaging module, which includes a circuit component, a lens component, and an optical imaging module. The circuit component may include at least one base, at least one circuit substrate, at least two image sensing elements, and a plurality of electrical conductors. The base may have at least one accommodation space. The circuit substrate may be disposed on the base and has at least one light-transmitting area, and the circuit substrate may be provided with a plurality of circuit contacts. At least two image sensing elements can be respectively housed in each containing space. Each image sensing element can include a first surface and a second surface. The first surface of each image sensing element is adjacent to each containing space and its second surface. There may be a sensing surface and a plurality of image contacts. The plurality of electrical conductors may be disposed between the circuit contacts and the image contacts of the image sensing elements. The lens assembly may include at least two lens bases, at least a certain focus lens group, at least one focus lens group, and at least one driving component. Each lens base can be made of opaque material, and has accommodating holes penetrating both ends of the lens base to make the lens base hollow, and the lens base can be disposed on a circuit substrate. The fixed-focus lens group may have at least two lenses having refractive power, and be arranged on the lens base and Located in the accommodation hole, the imaging surface of the fixed focus lens group may be located on the sensing surface of the image sensing element, and the optical axis of the fixed focus lens group passes through the light transmission area and the center normal to the sensing surface of the image sensing element Overlapping so that light passes through the fixed-focus lens groups in each accommodation hole and is projected onto the sensing surface of the image sensing element. The focusing lens group may have at least two lenses having refractive power, which are arranged on the lens base and located in the accommodation holes, the imaging surface of the focusing lens group may be located on the sensing surface of the image sensing element, and the light of the focusing lens group The axis passes through the light-transmitting area and overlaps with the center normal of the sensing surface of the image sensing element, so that light passes through the focusing lens group in each of the accommodation holes and is projected onto the sensing surface of the image sensing element. At least one driving component can be electrically connected to each circuit substrate and drive the focusing lens group to move in the direction of the center normal of the sensing surface of the image sensing element. Each lens base can be separately fixed to the multi-lens outer frame to form a whole. Each fixed-focus lens group or each focusing lens group more satisfies the following conditions: 1.0 ≦ f / HEP ≦ 10.0; 0deg <HAF ≦ 150deg; 0mm <PhiD ≦ 18mm; 0 <PhiA / PhiD ≦ 0.99; and 0.9 ≦ 2 (ARE / HEP) ≦ 2.0.

Among them, f is the focal length of the fixed focus lens group or focus lens group; HEP is the entrance pupil diameter of the fixed focus lens group or focus lens group; HAF is half of the maximum viewing angle of the fixed focus lens group or focus lens group; PhiD is the lens The maximum value of the minimum side length on a plane outside the base and perpendicular to the optical axis of the fixed focus lens group or focus lens group; PhiA is the largest effective lens surface of the fixed focus lens group or focus lens group closest to the imaging surface Diameter; ARE refers to any of the fixed focus lens group or any lens in the focus lens group The length of the contour curve of a lens surface extending from the intersection of the lens surface and the optical axis as 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.

The terms and codes of the lens parameters 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).

Lens parameters related to materials

The dispersion coefficient of the first lens of the optical imaging module is represented by NA1 (illustration); the refractive index of the first lens is represented by Nd1 (illustration).

Angle-dependent lens parameters

The angle of view is represented by AF; half of the angle of view 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 the optical imaging module is represented by HEP; the maximum effective radius of any surface of a single lens is the maximum viewing angle of the system. The 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 Expressed as 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. The Ineffective Half Diameter (IHD) of any surface of a single lens is the cut-off point of the maximum effective radius extending from the same surface away from the optical axis (if the surface is aspheric, 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. If the optical exit pupil is located on the third lens image side, it is represented by PhiA3. 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 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 is the starting point of the intersection of the surface of the lens and the optical axis of the optical imaging module to which it belongs, from the starting point along the surface contour of the lens to Up to the end of its maximum effective radius, the arc length of the curve between the two points is the length of the contour curve of the maximum effective radius, and it is expressed in ARS. For example, the maximum effective radius of the object side of the first lens The length of the outline curve is represented by ARS11, and the length of the outline 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 is the starting point of the intersection 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 lens surface depth

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 represented by InRS61 (the maximum effective radius depth); the sixth lens image side From the intersection point on the optical axis to the end of the maximum effective radius of the image side of the sixth lens, 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 lens shape

The critical point C is a point on the surface of a specific lens that is tangent to a tangent plane perpendicular to the optical axis except for the 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 that is close to the optical axis is IF713. This point sinks SGI713 (for example). SGI713 is the intersection of the object side of the seventh lens on the optical axis to the seventh object side. The horizontal displacement distance between the three inflection points close to the optical axis is parallel to the optical axis, 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 degree of aberration shift between 50% and 100% of the field of view can be further defined; spherical aberration The offset is represented by DFS; the comet aberration offset 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.

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 on 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 on 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 And incident on this The lateral aberration at 0.7HOI on the image 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. The lateral aberration is represented by SSTA Means. In addition, the optical imaging module 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 when 0.3HOI of the visible light on the imaging plane is at a spatial frequency of 110 cycles / mm is MTFQ3 Expression; The modulation conversion contrast transfer rate of 0.7HOI of visible light on the imaging plane at a spatial frequency of 110 cycles / mm is expressed as 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 side of the first lens is represented by ARE11. The thickness of the first lens on the optical axis is TP1. 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 on the object side of the second lens is represented by ARE21, and the thickness of the second lens on the optical axis is TP2, The ratio between the two is ARE21 / TP2. The length of the contour curve of the 1/2 entrance pupil diameter (HEP) height on the image side of the second lens 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.

10, 712, 714, 722, 732, 742, 752, 762, 772, 782‧‧‧ optical imaging modules

100‧‧‧circuit components

110‧‧‧base

1101‧‧‧accommodation space

120‧‧‧circuit board

1201‧‧‧Circuit Contact

1202‧‧‧light transmission area

140‧‧‧Image sensor

142‧‧‧first surface

144‧‧‧Second Surface

1441‧‧‧Sensing surface

146‧‧‧Image contact

160‧‧‧Conductor

180‧‧‧Multi lens frame

181‧‧‧lens holder

182‧‧‧light channel

184‧‧‧outer surface

186‧‧‧first inner surface

188‧‧‧Second inner surface

190‧‧‧multi-lens outer frame

200‧‧‧ lens assembly

220‧‧‧ lens base

2201‧‧‧Receiving hole

222‧‧‧Mirror tube

2221‧‧‧Upper hole

224‧‧‧Lens holder

2241‧‧‧Lower through hole

226‧‧‧ Filter Holder

2261‧‧‧ Filter Through Hole

230‧‧‧ fixed focus lens group

240‧‧‧focus lens group

2401‧‧‧ lens

2411‧‧‧First lens

2421‧‧‧Second lens

2431‧‧‧Third lens

2441‧‧‧Fourth lens

2451‧‧‧Fifth lens

2461‧‧‧Sixth lens

2471‧‧‧ seventh lens

24112, 24212, 24312, 24412, 24512, 24612, 24712, ‧‧ side

24114, 24214, 24314, 24414, 24514, 24614, 24714 ‧ ‧ like side

250‧‧‧ aperture

260‧‧‧Driver

300‧‧‧ Infrared Filter

400‧‧‧data transmission line

501‧‧‧Note

502‧‧‧ Movable side

503‧‧‧Mould fixed side

600‧‧‧ imaging surface

S101 ~ S111‧‧‧Method

71‧‧‧ mobile communication device

72‧‧‧ Mobile Information Device

73‧‧‧ Smart Watch

74‧‧‧ smart head-mounted device

75‧‧‧Safety monitoring device

76‧‧‧Vehicle imaging device

77‧‧‧ UAV device

78‧‧‧ Extreme Sports Video Device

FIG. 1 is a configuration diagram according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of a multi-lens frame according to an embodiment of the present invention.

FIG. 3 is a schematic diagram illustrating lens parameters according to an embodiment of the present invention.

FIG. 4 is a schematic diagram of a first implementation of the embodiment according to the present invention.

FIG. 5 is a schematic diagram of a second implementation according to the embodiment of the present invention.

FIG. 6 is a schematic diagram of a third implementation according to the embodiment of the present invention.

FIG. 7 is a fourth implementation diagram according to the embodiment of the present invention.

FIG. 8 is a fifth implementation diagram of the embodiment according to the present invention.

FIG. 9 is a sixth implementation diagram of the embodiment according to the present invention.

FIG. 10 is a seventh implementation diagram of the embodiment according to the present invention.

FIG. 11 is an eighth implementation diagram of the embodiment according to the present invention.

FIG. 12 is a ninth implementation diagram of the embodiment according to the present invention.

FIG. 13 is a tenth implementation diagram of the embodiment according to the present invention.

FIG. 14 is a schematic diagram of the eleventh implementation according to the embodiment of the present invention.

FIG. 15 is a twelfth implementation diagram of the embodiment according to the present invention.

FIG. 16 is a thirteenth implementation diagram of the embodiment according to the present invention.

FIG. 17 is a fourteenth implementation diagram of the embodiment according to the present invention.

FIG. 18 is a fifteenth implementation diagram of the embodiment according to the present creation.

FIG. 19 is a fifteenth implementation diagram of the embodiment according to the present invention.

FIG. 20 is a schematic diagram of a first optical embodiment according to the embodiment of the present invention.

FIG. 21 is a graph showing the spherical aberration, astigmatism, and optical distortion of the first optical embodiment of the present invention in order from left to right according to the embodiment of the present invention.

FIG. 22 is a schematic diagram of a second optical embodiment according to the embodiment of the present invention.

FIG. 23 is a graph showing spherical aberration, astigmatism, and optical distortion of the second optical embodiment of the present invention in order from left to right according to the embodiment of the present invention.

FIG. 24 is a schematic diagram of a third optical embodiment according to the embodiment of the present invention.

FIG. 25 is a graph showing spherical aberration, astigmatism, and optical distortion of the third optical embodiment of the present invention in order from left to right according to the embodiment of the present invention.

FIG. 26 is a schematic diagram of a fourth optical embodiment according to the embodiment of the present invention.

FIG. 27 is a graph showing spherical aberration, astigmatism, and optical distortion of the fourth optical embodiment of the present invention in order from left to right according to the embodiment of the present invention.

FIG. 28 is a schematic diagram of a fifth optical embodiment according to the embodiment of the present invention.

FIG. 29 is a graph showing the spherical aberration, astigmatism, and optical distortion of the fifth optical embodiment of the present invention in order from left to right according to the embodiment of the present invention.

FIG. 30 is a schematic diagram of a sixth optical embodiment according to the embodiment of the present invention.

FIG. 31 is a graph showing spherical aberration, astigmatism, and optical distortion of the sixth optical embodiment of the present invention in order from left to right according to the embodiment of the present invention.

FIG. 32 is a schematic diagram of an optical imaging module used in a mobile communication device according to an embodiment of the present invention.

FIG. 33 is a schematic diagram of an optical imaging module used in a mobile information device according to an embodiment of the present invention.

FIG. 34 is a schematic diagram of an optical imaging module used in a smart watch according to an embodiment of the present invention.

FIG. 35 is a schematic diagram of an optical imaging module used in a smart head-mounted device according to an embodiment of the present invention.

FIG. 36 is a schematic diagram of an optical imaging module used in a security monitoring device according to an embodiment of the present invention.

FIG. 37 is a schematic diagram of an optical imaging module used in a car imaging device according to an embodiment of the present invention.

FIG. 38 is a schematic diagram of an optical imaging module used in an unmanned aircraft device according to an embodiment of the present invention.

FIG. 39 is a schematic diagram of an optical imaging module used in an extreme motion image device according to an embodiment of the present invention.

FIG. 40 is a schematic flowchart of an embodiment according to the present invention.

FIG. 41 is a seventeenth implementation diagram of the embodiment according to the present creation.

FIG. 42 is a schematic diagram of the eighteenth implementation according to the embodiment of the present invention.

FIG. 43 is a nineteenth implementation diagram of the embodiment according to the present creation.

In order to help the examiners understand the technical characteristics, content and advantages of this creation and the effects that it can achieve, we hereby combine this creation with the drawings and explain it in the form of examples in detail below. The drawings used in it are The main purpose is only for the purpose of illustration and supplementary explanation, and may not be the reality after the creation Proportion and precise configuration. Therefore, the relationship between the proportion and configuration of the attached drawings should not be interpreted, and the scope of rights of the actual implementation of this creation should be limited, which will be described first.

Hereinafter, embodiments of the optical imaging module, imaging system, and imaging module manufacturing method according to the present invention will be described with reference to related drawings. In order to facilitate understanding, the same elements in the following embodiments are described with the same symbols. .

As shown in FIG. 1 to FIG. 4, FIG. 7, and FIG. 9 to FIG. 12, the optical imaging module of the present invention may include a circuit assembly 100 and a lens assembly 200. The circuit assembly 100 may include at least one base 110, at least one circuit substrate 120, at least two image sensing elements 140, a plurality of electrical conductors 160, and a multi-lens frame 180. The lens assembly 200 may include at least two lens bases 220, at least certain The focus lens group 230, at least one focus lens group 240, and at least one driving component 260.

Further explanation, the base 110 may have at least one receiving space 1101, the circuit substrate 120 may be disposed on the base 110 and have at least one light-transmitting area 1202, and may include a plurality of circuit contacts 1201, and each image sensing element 140 may The accommodating spaces 1101 are respectively accommodated in the accommodating spaces 1101, and the base 110 can effectively protect the image sensing element 140 from external impact and prevent dust from affecting the image sensing element 140.

In addition, the image sensing element 140 may include a first surface 142 and a second surface 144, and the maximum value of the minimum side length on the outer periphery of the image sensing element 140 and on a plane perpendicular to the optical axis is LS. The first surface 142 is adjacent to the bottom surface of each accommodation space 1101, and the second surface 144 may have a sensing surface 1441 and a plurality of image contacts 146. The plurality of electrical conductors 160 may be disposed between each of the circuit contacts 1201 and the plurality of image contacts 146 of each image sensing element 140. In one embodiment, the conductive body 160 can be a tin ball, a gold ball, or a silver ball. Therefore, the conductive body 160 can be connected to the image contact 146 and the circuit contact 1201 by welding, and the image sensed by the image sensing element 140 is transmitted. Sensing signal.

In addition, the multi-lens frame 180 can be made in an integral molding manner, for example, by molding, etc., and is covered on the circuit substrate 120, the image sensing element and the plurality of conductive bodies 160, and corresponds to the plurality of image sensing elements 140. The position of the sensing surface 1441 may have a plurality of light channels 182.

The at least two lens bases 220 may be made of opaque material, and have accommodating holes 2201 passing through both ends of the lens base 220 to make the lens base 220 hollow, and the lens base 220 may be disposed on the multi-lens frame 180 and The accommodation hole 2201 and the light channel 182 are communicated with each other. In addition, in an embodiment, the reflectivity of the multi-lens frame 180 in the wavelength range of 420-660nm is less than 5%, so that after the light enters the light channel 182, stray light caused by reflection or other factors on the image can be avoided. The effect of the sensing element 140.

Furthermore, in an embodiment, the material of the multi-lens frame 180 may include any one or a combination of metals, conductive materials, or alloys. Therefore, heat dissipation efficiency may be increased, or static electricity may be reduced to make the image sensing element. 140. The operation of the fixed focus lens group 230 and the focus lens group 240 is more efficient.

Furthermore, in an embodiment, the material of the multi-lens frame 180 is any one or a combination of thermoplastic resin, industrial plastic, and insulating material, so it can be easily processed, lightened, and made the image sensing element 140, fixed The operation of the focus lens group 230 and the focus lens group 240 is more efficient and effective.

In addition, in an embodiment, as shown in FIG. 2, the multi-lens frame 180 may include a plurality of lens holders 181, and each lens holder 181 may have a light channel 182 and have a central axis. The central axis distance can be between 2mm and 200mm, so as shown in FIG. 2 and FIG. 14, the distance between each lens holder 181 can be adjusted within this range.

In addition, in an embodiment, as shown in FIGS. 13 and 14, the multi-lens frame 180 may be made by molding. In this method, the mold may be divided into a mold fixed side 503 and a mold movable side. 502. When the movable side 502 of the mold is covered on the fixed side 503 of the mold, the material can be poured into the mold from the nozzle 501 to form the multi-lens frame 180.

The formed multi-lens frame 180 may have an outer surface 184, a first inner surface 186, and a second inner surface 188. The outer surface 184 extends from an edge of the circuit substrate 120 and has an inclination from a center normal of the sensing surface 1441. The angle α, α is between 1 ° ~ 30 °. The first inner surface 186 is the inner surface of the light channel 182, and the first inner surface 186 may have an inclination angle β with the center normal of the sensing surface 1441, and β may be between 1 ° ~ 45 °, and the second inner surface 188 It can extend from the top surface of the circuit substrate 120 to the direction of the light channel 182, and has an inclination angle γ from the center normal of the sensing surface 1441, γ is between 1 ° and 3 °, and by the inclination angles α, β and γ The setting can reduce the chance of the poor quality of the multi-lens frame 180 when the movable side 502 of the mold is separated from the fixed side 503 of the mold, such as poor release characteristics or "flashing".

In addition, in another embodiment, the multi-lens frame 180 can also be made by 3D printing in an integral molding method, and the above-mentioned tilt angles α, β, and γ can also be formed according to requirements. For example, the tilt angle α , Β and γ improve structural strength, reduce stray light generation and so on. Each fixed focus lens group 230 and each focus lens group 240 may have at least two lenses 2401 with refractive power, and are disposed on the lens base 220 and located in the accommodation hole 2201. The imaging surface of each focus lens group 240 may be located on the sensor. The measuring surface 1441, and the optical axes of the fixed-focus lens groups 230 and the focusing lens groups 240 pass through the light-transmitting area 1202 and overlap the center normal of the sensing surface 1441, so that light can pass through the fixed-focus lenses in the accommodation holes 2201 The group 230 and each focus lens group 240 pass through the light channel 182 and are projected onto the sensing surface 1441 to ensure imaging quality. In addition, the maximum diameter of the image side of the lens that is closest to the imaging surface of the fixed focus lens group 230 and the focusing lens group 240 is represented by PhiB, and that of the fixed focus lens group 230 and the focusing lens group 240 is closest to the imaging surface (that is, image space). The maximum effective diameter of the lens image side (also known as the optical exit pupil) can be represented by PhiA.

Each driving component 260 can be electrically connected to the circuit substrate 120 and drive each focusing lens group 240 to move in the direction of the center normal of the sensing surface 1441. In one embodiment, the driving component 260 can include a voice coil motor to drive Each focus lens group 240 moves in the center normal direction of the sensing surface 1441.

In addition, each of the fixed-focus lens groups 230 and each of the focusing lens groups 240 satisfies the following conditions: 1.0 ≦ f / HEP ≦ 10.0: 0deg <HAF ≦ 150deg; 0mm <PhiD ≦ 18mm; 0 <PhiA / PhiD ≦ 0.99; and 0 ≦ 2 (ARE / HEP) ≦ 2.0

Further explanation, f is the focal length of the fixed focus lens group 230 or the focus lens group 240; HEP is the entrance pupil diameter of the fixed focus lens group 230 or the focus lens group 240; HAF is the maximum visible of the fixed focus lens group 230 or the focus lens group 240 Half the angle; PhiD is the maximum value of the smallest side length on the plane outside the lens base and perpendicular to the optical axis of the fixed-focus lens group 230 or focus lens group 240; PhiA is the fixed-focus lens group 230 or focus lens group 240 The largest effective diameter of the lens surface closest to the imaging surface; ARE starts from the intersection of any lens surface of the fixed focus lens group 230 or any lens in the focus lens group 240 and the optical axis, and is 1/2 from the optical axis The position at the vertical height of the entrance pupil diameter is the end point, and the length of the contour curve obtained along the contour of the lens surface.

In an embodiment, as shown in FIGS. 3 to 8, the lens base 220 may include a lens barrel 222 and a lens holder 224. The lens barrel 222 has through holes 2221 penetrating through the two ends of the lens barrel 222, and the lens holder 224 has through holes 2241 that pass through both ends of the lens holder 224 and has a predetermined wall thickness TH1. The maximum value of the minimum side length on the outer periphery of the lens holder 224 and on a plane perpendicular to the optical axis is represented by PhiD.

The lens barrel 222 may be disposed in the lens holder 224 and located in the lower through hole 2241, and has a predetermined wall thickness TH2, and the maximum diameter of the outer peripheral edge of the plane perpendicular to the optical axis is PhiC, so that the upper through hole 2221 communicates with the lower through The holes 2241 communicate with each other to form a receiving hole 2201. The lens holder 224 can be fixed on the multi-lens frame 180 so that each light transmitting area 1202 is located in the lower through hole 2241, and the through hole 2221 above the lens barrel 222 is directly facing the image sensor. The sensing surface 1441 of each element 140 and each light-transmitting area 1202, the fixed focus lens group 230 and the focus lens group 240 can be disposed in the lens barrel 222 and located in the upper through hole 2221, and the driving component 260 can drive the focus lens group. The lens barrel 222 of 240 moves relative to the lens holder 224 in the normal direction of the center of the sensing surface 1441, and PhiD is a plane outside the lens holder 224 and perpendicular to the optical axis of the fixed focus lens group 230 or the focus lens group 240 The maximum value of the minimum side length on.

In one embodiment, the optical imaging module 10 may further include at least one data transmission line 400 electrically connected to the circuit substrate 120 and transmitting a plurality of sensing signals generated by the plurality of image sensing elements 140.

Further explanation, as shown in FIGS. 9 and 11, a single data transmission line 400 can be used to transmit a plurality of image sensing elements 140 in a dual-lens, three-lens, array, or various multi-lens optical imaging module 10. The plurality of sensing signals are generated.

In another embodiment, as shown in FIG. 10 and FIG. 12, for example, a plurality of data transmission lines 400 may be provided in a split manner to transmit dual-lens, three-lens, array, or various multi-lens optical imaging. The plurality of sensing signals generated by each of the plurality of image sensing elements 140 in the module 10.

In addition, in one embodiment, the plurality of image sensing elements 140 can sense a plurality of color images. Therefore, the optical imaging module 10 of the present invention has the functions of recording and recording color images and color films. In the example, at least one image sensing element 140 can sense a plurality of black and white images, and at least one image sensing element 140 can sense a plurality of color images. Therefore, the optical imaging module 10 of the present invention can The multiple black and white images are sensed, and the image sensing element 140 is used to sense multiple color images to obtain more image details and light sensitivity of the target to be recorded, so that the calculated image is generated. Or the video has a higher quality.

In an embodiment, as shown in FIGS. 3 to 8 and 15 to 19, the optical imaging module 10 may further include at least two infrared filters 300, and the infrared filters 300 may be provided. The lens base 220 is located in the accommodating hole 2201 and above the image sensing element 140 to filter out infrared rays, so as to prevent infrared rays from affecting the imaging quality of the sensing surface 1441 of the image sensing element 140. In one embodiment, as shown in FIG. 5, the infrared filter 300 may be disposed in the lens barrel 222 or the lens holder 224 and located above the image sensing element 140.

In another embodiment, as shown in FIG. 6, the lens base 220 may include a filter holder 226, and the filter holder 226 may have filter through holes 2261 passing through both ends of the filter holder 226. In addition, the infrared filter 300 may be disposed in the filter holder 226 and located in the filter through hole 2261, and the filter holder 226 may correspond to the positions of the plurality of light channels 182 and be disposed on the multi-lens frame 180. The infrared filter 300 is positioned above the image sensing element 140 to filter out infrared rays, so as to prevent infrared rays from affecting the imaging quality of the sensing surface 1441 of the image sensing element 140.

Therefore, the lens base 220 includes a filter holder 226, and the lens barrel 222 has through holes 2221 passing through both ends of the lens barrel 222, and the lens holder 224 has through holes 2241 passing through both ends of the lens holder 224. In this case, the lens barrel 222 may be disposed in the lens holder 224 and located in the lower through hole 2241, and the lens holder 224 may be fixed on the filter holder 226, and the lower through hole 2241 may be connected to the upper through hole 2221 and the filter. The through holes 2261 communicate with each other to form a receiving hole 2201, so that the image sensing element 140 is located in the filter through hole 2261, and the through hole 2221 above the lens barrel 222 can directly face the sensing surface 1441 of the image sensing element 140, The fixed focus lens group 230 and the focus lens group 240 can be disposed in the lens barrel 222 and located in the upper through hole 2221, so that The infrared filter 300 is located above the image sensing element 140 to filter out the infrared rays entered by the fixed focus lens group 230 and the focus lens group 240 to prevent the infrared rays from affecting the imaging quality of the sensing surface 1441 of the image sensing element 140 .

In another embodiment, as shown in FIG. 8, each infrared filter 300 is disposed in each light-transmitting area 1202. Therefore, the overall height of the optical imaging module 10 can be further reduced, and the overall structure can be further improved. For compact.

In an embodiment, the optical imaging module 10 may have at least two lens groups, such as a dual-lens optical imaging module 10, and the two lens groups may be a first lens group and a second lens group 2421, respectively. At least one of the lens group and the second lens group may be a focusing lens group 240. Therefore, the first lens group and the second lens group may be various combinations of a fixed-focus lens group 230 and a focusing lens group 240, and the second lens group The viewing angle FOV of the first lens group may be larger than the viewing angle FOV of the first lens group, and the viewing angle FOV of the second lens group is greater than 46 °. Therefore, the second lens group 2421 may be a wide-angle lens group.

Further explanation, and the focal length of the first lens group is larger than that of the second lens group, if the traditional 35mm photo (angle of view is 46 degrees) is taken as the reference, the focal length is 50mm. When the focal length of the first lens group is greater than 50mm, the first lens group Can be a telephoto lens group. For the better creator, a CMOS sensor with a diagonal length of 4.6mm (angle of view is 70 degrees) can be used as a reference, and its focal length is about 3.28mm. When the focal length of the first lens group is greater than 3.28mm, the first lens group can Is a telephoto lens group.

In an embodiment, the three-lens optical imaging module 10 is created in the present invention. Therefore, the optical imaging module 10 may have at least three lens groups, which may be a first lens group, a second lens group, and a third lens group. Moreover, at least one lens group among the first lens group, the second lens group, and the third lens group is the focus lens group 240, so the first lens group, the second lens group, and the third lens group may be the fixed focus lens group 230 and Various combinations of the focusing lens group 240, and the angle of view FOV of the second lens group may be greater than that of the first lens group, and the second transparent lens group The angle of view FOV of the lens group is greater than 46 °, and each of the plurality of image sensing elements 140 that receives light from the first lens group and the second lens group senses a plurality of color images, and the image sensing corresponding to the third lens group The component 140 can sense a plurality of color images or a plurality of black and white images according to requirements.

In one embodiment, the three-lens optical imaging module 10 created by the present invention, so the optical imaging module 10 may have at least three lens groups, which may be a first lens group, a second lens group, and a third lens group, respectively. And at least one lens group among the first lens group, the second lens group, and the third lens group is the focus lens group 240, so the first lens group, the second lens group, and the third lens group may be the fixed focus lens group 230 and focus. Various combinations of lens group 240, and the focal length of the first lens group can be greater than the focal length of the second lens group. If a traditional 35mm photo (angle of view is 46 degrees) is taken as the reference, the focal length is 50mm. When the focal length of the first lens group is greater than 50mm, this first lens group may be a telephoto lens group. For the better creator, a CMOS sensor with a diagonal length of 4.6mm (angle of view is 70 degrees) can be used as a reference, and its focal length is about 3.28mm. When the focal length of the first lens group is greater than 3.28mm, the first lens group can Is a telephoto lens group. In addition, each of the plurality of image sensing elements 140 corresponding to the light received by the first lens group and the second lens group senses a plurality of color images, and the image sensing element 140 corresponding to the third lens group can sense the plurality according to demand. Color images or multiple black and white images.

In one embodiment, the optical imaging module 10 further satisfies the following conditions: 0 <(TH1 + TH2) /HOI≦0.95; Further, TH1 is the maximum thickness of the lens holder 224; TH2 is the minimum thickness of the lens barrel 222; HOI Is the maximum imaging height perpendicular to the optical axis on the imaging plane.

In one embodiment, the optical imaging module 10 further satisfies the following conditions: 0mm <TH1 + TH2 ≦ 1.5mm; further, TH1 is the maximum thickness of the lens holder 224; TH2 is the minimum thickness of the lens barrel 222.

In one embodiment, the optical imaging module 10 further satisfies the following conditions: 0.9 ≦ ARS / EHD ≦ 2.0. To further explain, the ARS starts from the intersection of the surface of any lens 2401 and the optical axis of any of the lenses 2401 of the fixed focus lens group 230 or the focus lens group 240 and the optical axis, and ends at the maximum effective radius of the surface of the lens 2401. The length of the contour curve obtained from the contour of the surface of 2401. EHD is the maximum effective radius of any surface of any lens 2401 in the fixed focus lens group 230 or the focus lens group 240.

In one embodiment, the optical imaging module 10 further satisfies the following conditions: PLTA ≦ 100 μm; PSTA ≦ 100 μm: NLTA ≦ 100 μm and NSTA ≦ 100 μm; SLTA ≦ 100 μm: SSTA ≦ 100 μm. To further explain, HOI is the maximum imaging height perpendicular to the optical axis on the imaging surface, and PLTA is the longest working wavelength of the visible light of the positive meridional fan of the optical imaging module 10 passes through the edge of an entrance pupil and is incident on the imaging surface at 0.7HOI The lateral aberration, PSTA is the lateral aberration of the shortest visible wavelength of the positive meridional fan of the optical imaging module 10 passing through the edge of the entrance pupil and incident on the imaging surface at 0.7HOI. NLTA is the The longest working wavelength of the visible light of the negative meridional fan passes through the edge of the entrance pupil and is incident on the imaging plane with a transverse aberration of 0.7 HOI. NSTA is the transverse aberration of the shortest visible wavelength of the visible light of the negative meridional light fan of the optical imaging module 10 passing through the edge of the entrance pupil and incident on the imaging surface at 0.7HOI. SLTA is the sagittal light fan of the optical imaging module 10 The longest working wavelength of visible light passes through the edge of the entrance pupil and is incident on the imaging plane with a lateral aberration of 0.7 HOI. SSTA is the shortest working wavelength of the visible light of the sagittal plane fan of the optical imaging module 10 passes through the entrance pupil edge and is incident on the imaging plane 0.7. Horizontal aberration at HOI.

In addition, in addition to the implementation of each of the above structures, the following is a description of possible optical embodiments of the fixed focus lens group 230 and the focus lens group 240. The optical imaging module in this creation can be designed using three working wavelengths, which are 486.1nm, 587.5nm, 656.2nm, of which 587.5nm is the main reference wavelength and the reference wavelength for the main extraction technical features. Optical imaging module can also use five jobs The wavelength is designed to be 470nm, 510nm, 555nm, 610nm, 650nm, among which 555nm is the main reference wavelength and the reference wavelength for the main extraction technical features.

The ratio PPR of the focal length f of the optical imaging module 10 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 10 to the focal length fn of each lens with a negative refractive power. The sum of the PPR of the lenses with refractive power is ΣPPR, and the sum of the 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 10 when the following conditions are met: 0.5 ≦ ΣPPR / ｜ ΣNPR | ≦ 15, preferably, the following conditions can be satisfied: 1 ≦ ΣPPR / | ΣNPR | ≦ 3.0.

In addition, half of the diagonal length of the effective sensing area of the image sensing element 140 (that is, the imaging height or maximum image height of the optical imaging module 10) is HOI, and the object side of the first lens 2411 to the imaging surface is on the optical axis. The distance is HOS, which 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. Accordingly, the miniaturization of the optical imaging module 10 can be maintained to be mounted on a thin and light portable electronic product.

In addition, in one embodiment, at least one aperture may be set in the optical imaging module 10 of the present invention to reduce stray light and help improve image quality.

To further explain, in the optical imaging module 10 of this creation, the aperture configuration may be a front aperture or a middle aperture, where the front aperture means that the aperture is set between the subject and the first lens 2411, and the middle aperture indicates the aperture It is disposed between the first lens 2411 and the imaging surface. If the aperture is a front aperture, the exit pupil of the optical imaging module 10 and the imaging surface can 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 It helps to expand the field of view of the system, so that the optical imaging module has the advantage of a wide-angle lens. The distance from the aperture to the imaging surface is InS, and The following conditions are satisfied: 0.2 ≦ InS / HOS ≦ 1.1. This makes it possible to achieve both the miniaturization of the optical imaging module 10 and the characteristics of having a wide angle.

In the created optical imaging module 10, the distance between the object side of the first lens 2411 and the image side of the sixth lens 2461 is InTL, and the total thickness of all refractive lenses on the optical axis is ΣTP, which meets the following conditions: 0.1 ≦ ΣTP / InTL ≦ 0.9. 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.

The curvature radius of the object side of the first lens 2411 is R1, and the curvature radius of the image side of the first lens 2411 is R2, which satisfies the following conditions: 0.001 ≦ | R1 / R2 | ≦ 25. Thereby, the first lens 2411 is provided with an appropriate positive refractive power strength to prevent the spherical aberration from increasing at an excessive speed. Preferably, the following conditions can be satisfied: 0.01 ≦ | R1 / R2 | <12.

The curvature radius of the side surface of the sixth lens object 2461 is R11, and the curvature radius of the image side of the sixth lens 2461 is R12, which satisfies the following conditions: -7 <(R11-R12) / (R11 + R12) <50. Therefore, it is beneficial to correct the astigmatism generated by the optical imaging module 10.

The distance between the first lens 2411 and the second lens 2421 on the optical axis is IN12, which satisfies the following conditions: IN12 / f ≦ 60. This helps to improve the chromatic aberration of the lens to improve its performance.

The distance between the fifth lens 2451 and the sixth lens 2461 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 2411 and the second lens 2421 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 2451 and the sixth lens 2461 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. This helps to control the sensitivity of the optical imaging module manufacturing and reduce the overall system height.

The thickness of the fourth lens 2441 on the optical axis is TP4. The distance between the third lens 2431 and the fourth lens 2441 on the optical axis is IN34. The distance between the fourth lens 2441 and the fifth lens 2451 on the optical axis is IN45. , 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 10, the vertical distance between the critical point C61 on the object side of the sixth lens 2461 and the optical axis is HVT61, and the vertical distance between the critical point C62 on the image side of the sixth lens 2461 and the optical axis is HVT62. The horizontal displacement distance from the intersection of the object side of the lens on the optical axis to the critical point C61 on the optical axis is SGC61, and the horizontal displacement distance of the sixth lens image from the intersection of the image side to the critical point C62 on the optical axis is SGC62. The following conditions can be satisfied: 0mm ≦ HVT61 ≦ 3mm; 0mm <HVT62 ≦ 6mm; 0 ≦ HVT61 / HVT62; 0mm ≦ ｜ SGC61 ｜ ≦ 0.5mm; 0mm <｜ SGC62 ｜ ≦ 2mm; and 0 <｜ SGC62 ｜ / (｜ SGC62 | + TP6) ≦ 0.9. This can effectively correct aberrations in the off-axis field of view.

The optical imaging module 10 of this creation satisfies 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 created optical imaging module 10 satisfies the following conditions: 0 ≦ HVT62 / HOS ≦ 0.5. Preferably, the following conditions can be satisfied: 0.2 ≦ HVT62 / HOS ≦ 0.45. This helps to correct the aberrations in the peripheral field of view of the optical imaging module 10.

In the optical imaging module 10 of this creation, the horizontal displacement distance parallel to the optical axis between the intersection of the object side of the sixth lens 2461 on the optical axis and the closest inflection point on the object side of the sixth lens 2461 is SGI611 indicates that the horizontal displacement distance parallel to the optical axis between the intersection of the image side of the sixth lens 2461 on the optical axis and the closest optical axis of the sixth lens 2461 on the optical 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 2461 on the optical axis and the second inflection point of the object side of the sixth lens 2461 near the optical axis is represented by SGI612. The sixth lens 2461 is like a side to the light The horizontal displacement distance parallel to the optical axis between the intersection point on the axis and the inflection point of the sixth lens image side close 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 object side of the sixth lens 2461 and the optical axis is represented by HIF611. The intersection of the image side of the sixth lens 2461 on the optical axis and the closest inflection point of the sixth lens image side of the optical axis and The vertical distance between the optical axes is represented by HIF621, which satisfies the following conditions: 0.001mm ≦ | HIF611 | ≦ 5mm; 0.001mm ≦ | HIF621 | ≦ 5mm. Preferably, the following conditions can be satisfied: 0.1mm ≦ | HIF611 | ≦ 3.5mm; 1.5mm ≦ | HIF621 | ≦ 3.5mm.

The vertical distance between the inflection point of the sixth lens 2461 on the object side close to the optical axis and the optical axis is represented by HIF612. The intersection of the image side of the sixth lens 2461 on the optical axis to the second side of the sixth lens image side close to the optical axis The vertical distance between the inflection point and the optical axis is represented by HIF622, which satisfies the following conditions: 0.001mm ≦ | HIF612 | ≦ 5mm; 0.001mm ≦ | HIF622 | ≦ 5mm. Preferably, the following conditions can be satisfied: 0.1mm ≦ | HIF622 | ≦ 3.5mm; 0.1mm ≦ | HIF612 | ≦ 3.5mm.

The vertical distance between the inflection point of the third lens 2461 near the optical axis and the optical axis is represented by HIF613. The intersection of the sixth lens 2461 image side on the optical axis to the sixth lens image 2461 side is third closer to the optical axis. The vertical distance between the inflection point and the optical axis is represented by HIF623, which satisfies the following conditions: 0.001mm ≦ | HIF613 | ≦ 5mm; 0.001mm ≦ | HIF623 | ≦ 5mm. Preferably, the following conditions can be satisfied: 0.1mm ≦ | HIF623 | ≦ 3.5mm; 0.1mm ≦ | HIF613 | ≦ 3.5mm.

The vertical distance between the inflection point of the sixth lens 2461 on the object side and the optical axis is represented by HIF614. The intersection of the sixth lens 2461 on the optical axis to the fourth side of the sixth lens 2461 is closer to the optical axis. The vertical distance between the inflection point and the optical axis is represented by HIF624, which satisfies the following conditions: 0.001mm ≦ | HIF614 | ≦ 5mm; 0.001mm ≦ | HIF624 | ≦ 5mm. Preferably, the following conditions can be satisfied: 0.1mm ≦ | HIF624 | ≦ 3.5mm: 0.1mm ≦ | HIF614 | ≦ 3.5mm.

In this creative optical imaging module, (TH1 + TH2) / HOI satisfies the following conditions: 0 <(TH1 + TH2) /HOI≦0.95, preferably the following conditions can be satisfied: 0 <(TH1 + TH2) / HOI ≦ 0.5; (TH1 + TH2) / HOS satisfies the following conditions: 0 <(TH1 + TH2) /HOS≦0.95, preferably meets 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 10 of the present invention can help stagger the arrangement of lenses with high dispersion coefficient and low dispersion coefficient to help correct the chromatic aberration of the optical imaging module.

The above aspheric equation is: z = ch ² / [1+ [1- (k + 1) c ² h ² ] ^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 10 provided in this creation, the material of the lens may 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 2411 to the seventh lens 2471 in the optical imaging module may be aspheric, which can obtain more control variables. In addition to reducing aberrations, it is compared with traditional glass lenses. The use of 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 10 provided in 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. Concave.

The optical imaging module 10 of the present invention can be applied to the optical system of mobile focusing as required, and has both the characteristics of excellent aberration correction and good imaging quality, thereby expanding the application level.

According to the requirements of the optical imaging module of this creation, at least one of the first lens 2411, the second lens 2421, the third lens 2431, the fourth lens 2441, the fifth lens 2451, the sixth lens 2461, and the seventh lens 2471 may be The light filtering element with a wavelength less than 500 nm 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 with a short wavelength that can be filtered.

The imaging surface of the optical imaging module 10 created in the present invention can be selected as a plane 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 focused light The required angle of incidence on the imaging plane, besides helping to achieve the miniature optical imaging module's length (TTL), is also helpful for improving the contrast.

First optical embodiment

As shown in FIG. 18, the fixed-focus lens group 230 and the focusing lens group 240 include six lenses 2401 having refractive power, and the first lens 2411, the second lens 2421, and the third lens 2431 are sequentially from the object side to the image side. The fourth lens 2441, the fifth lens 2451, and the sixth lens 2461, and the fixed focus lens group 230 and the focus lens group 240 satisfy the following conditions: 0.1 ≦ InTL / HOS ≦ 0.95. To further explain, HOS is the distance from the object side of the first lens 2411 to the imaging plane on the optical axis. InTL is the distance from the object side of the first lens 2411 to the image side of the sixth lens 2461 on the optical axis.

Please refer to FIG. 20 and FIG. 21, where FIG. 20 shows a schematic diagram of a lens group of an optical imaging module according to the first optical embodiment of the creation, and FIG. 21 is a 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. 20 that the optical imaging module includes a first lens 2411, an aperture 250, a second lens 2421, a third lens 2431, a fourth lens 2441, a fifth lens 2451, and a sixth lens in order from the object side to the image side. 2461, an infrared filter 300, an imaging surface 600, and an image sensing element 140.

The first lens 2411 has a negative refractive power and is made of plastic. The object side surface 24112 of the first lens 2411 is concave, the image side surface 24114 of the first lens 2411 is concave, and both of them are aspheric. The object side surface 24112 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 of the first lens 2411 object side surface 24112 on the optical axis and the closest optical axis of the first lens 2411 object side surface 24112 is represented by SGI111. The first lens 2411 is like the side surface 24114 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 first lens 2411 image side 24114 is represented by SGI121, which satisfies the following conditions: SGI111 = -0.0031mm; ｜ SGI111 ｜ / ( | SGI111 | + TP1) = 0.0016.

The horizontal displacement distance parallel to the optical axis between the intersection of the object side 24112 of the first lens 2411 on the optical axis and the second inflection point of the object side 24112 of the first lens 2411 close to the optical axis is represented by SGI112. The horizontal displacement distance parallel to the optical axis between the intersection point of 24114 on the optical axis and the inflection point of the first lens 2411 image side 24114 second approaching optical axis is represented by SGI122, which satisfies the following conditions: SGI112 = 1.3178mm; ｜ SGI112 | / (| SGI112 | + TP1) = 0.4052.

The vertical distance between the inflection point of the nearest optical axis of the first lens 2411 and the optical axis of the first lens 2411 is represented by HIF111. The intersection of the first lens 2411 image side 24114 on the optical axis to the first lens 2411 image side 24114 of the closest optical axis. The vertical distance between the inflection point and the optical axis is represented by HIF121, which meets the following conditions: HIF111 = 0.5557mm; HIF111 / HOI = 0.1111.

The vertical distance between the inverse surface of the first lens 2411 and the second lens near the optical axis and the optical axis is represented by HIF112. The intersection of the first lens 2411 image side 24114 on the optical axis to the first lens 2411 image side 24114 second The vertical distance between the inflection point close to the optical axis and the optical axis is represented by HIF122, which meets the following conditions: HIF112 = 5.3732mm; HIF112 / HOI = 1.0746.

The second lens 2421 has a positive refractive power and is made of a plastic material. Its object side surface 24212 is convex, its image side surface 24214 is convex and both are aspheric, and its object side surface 24212 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. 1/2 entrance pupil on the side of the second lens object The length of the outline curve of the diameter (HEP) is represented by ARE21, and the length of the outline curve of the 1/2 entrance pupil diameter (HEP) of 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 second lens 2421 object side surface 24212 on the optical axis and the closest optical axis of the second lens 2421 object side surface 24212 is represented by SGI211. The second lens 2421 is like the side surface 24214 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 second lens 2421 on the image side 24214 is represented by SGI221, which satisfies the following conditions: SGI211 = 0.1069mm; ｜ SGI211 ｜ / (｜ SGI211 ｜ + TP2) = 0.0412; SGI221 = 0mm; | SGI221 ｜ / (｜ SGI221 ｜ + TP2) = 0.

The vertical distance between the inflection point of the closest optical axis of the second lens 2421 and the optical axis of the second lens 2421 is represented by HIF211. The intersection of the second lens 2421 image side 24214 on the optical axis to the second lens 2421 image side 24214 nearest the optical axis. The vertical distance between the inflection point and the optical axis is represented by HIF221, which meets the following conditions: HIF211 = 1.1264mm; HIF211 / HOI = 0.2253; HIF221 = 0mm; HIF221 / HOI = 0.

The third lens 2431 has a negative refractive power and is made of plastic. The object side surface 24312 is concave, the image side surface 24314 is convex, and both are aspherical. The object side surface 24312 and the image side 24314 both 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 point of the third lens 2431 object side surface 24312 on the optical axis and the closest optical axis of the third lens 2431 object side surface 24312 is represented by SGI311. The third lens 2431 is like the side surface 24314 at The intersection point on the optical axis to the third lens 2431 image side 24314 of the closest optical axis The horizontal displacement distance between the inflection points parallel to the optical axis is represented by SGI321, which satisfies the following conditions: SGI311 = -0.3041mm; | SGI311 ｜ / (｜ SGI311 ｜ + TP3) = 0.4445; SGI321 = -0.1172mm; | SGI321 | / (| SGI321 | + TP3) = 0.2357.

The vertical distance between the inflection point of the nearest optical axis of the third lens 2431 and the closest optical axis of the third lens 2431 is represented by HIF311. The intersection of the third lens 2431 image side 24314 on the optical axis to the third lens 2431 image side 24314 of the closest optical axis. The vertical distance between the inflection point and the optical axis is represented by HIF321, which meets the following conditions: HIF311 = 1.5907mm; HIF311 / HOI = 0.3181; HIF321 = 1.3380mm; HIF321 / HOI = 0.2676.

The fourth lens 2441 has a positive refractive power and is made of plastic. Its object side 24412 is convex, its image side 24414 is concave and both are aspheric, and its object side 24412 has two inflection points and the image side 24414 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 fourth lens 2441 object side 24412 on the optical axis and the closest optical axis inflection point of the fourth lens 2441 object side 24412 is represented by SGI411. The fourth lens 2441 is like the side 24414 on the side The horizontal displacement distance between the intersection point on the optical axis and the inflection point of the closest optical axis of the fourth lens 2441 on the image side 24414 parallel to the optical axis is represented by SGI421, which satisfies the following conditions: SGI411 = 0.0070mm; ｜ SGI411 ｜ / (｜ SGI411 ｜ + TP4) = 0.0056; SGI421 = 0.0006mm; | SGI421 ｜ / (｜ SGI421 | + TP4) = 0.0005.

The horizontal displacement distance parallel to the optical axis between the intersection point of the fourth lens 2441 object side surface 24412 on the optical axis and the second lens 2441 object side surface 24412 second inflection point close to the optical axis is represented by SGI412. The fourth lens 2441 is image-side The horizontal displacement distance parallel to the optical axis between the intersection point of 24414 on the optical axis and the second curved surface of the fourth lens 2441 on the image side 24414 is parallel to the optical axis, which is represented by SGI422, which satisfies the following conditions: SGI412 = -0.2078mm; SGI412 ｜ / (｜ SGI412 ｜ + TP4) = 0.1439.

The vertical distance between the inflection point of the closest optical axis of the fourth lens 2441 on the object side 24412 and the optical axis is represented by HIF411. The intersection of the fourth lens 2441 on the optical axis with the image side 24414 on the optical axis to the closest optical axis of the fourth lens 2441 on the optical side The vertical distance between the inflection point and the optical axis is represented by HIF421, which meets the following conditions: HIF411 = 0.4706mm; HIF411 / HOI = 0.0941; HIF421 = 0.1721mm; HIF421 / HOI = 0.0344.

The vertical distance between the object lens side 2441 of the fourth lens 2441 and the second lens near the optical axis is perpendicular to the optical axis as HIF412. The intersection of the fourth lens 2441 on the optical axis with the image side 24414 on the optical axis to the image side 24414 of the fourth lens 2441 on the second side. The vertical distance between the inflection point close to the optical axis and the optical axis is represented by HIF422, which meets the following conditions: HIF412 = 2.0421mm; HIF412 / HOI = 0.4084.

The fifth lens 2451 has a positive refractive power and is made of plastic. The object side 24512 is convex, the image side 24514 is convex, and both are aspheric. The object side 24512 has two inflection points and the image side 24514 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 fifth lens 2451 object side surface 24512 on the optical axis and the closest optical axis inflection point of the fifth lens 2451 object side surface 24512 is parallel to the optical axis as SGI511. The fifth lens 2451 is like the side surface 24514 and The horizontal displacement distance parallel to the optical axis between the intersection point on the optical axis and the closest optical axis of the fifth lens 2451 image side surface 24514 is represented by SGI521, which satisfies the following conditions: SGI511 = 0.00364mm; ｜ SGI511 ｜ / (｜ SGI511 ｜ + TP5) = 0.00338; SGI521 = -0.63365mm; | SGI521 ｜ / (｜ SGI521 ｜ + TP5) = 0.37154.

The horizontal displacement distance parallel to the optical axis between the fifth lens 2451 object side surface 24512 on the optical axis and the fifth lens 2451 object side surface 24512 second inflection point close to the optical axis is represented by SGI512, and the fifth lens 2451 is on the side The horizontal displacement distance parallel to the optical axis between the intersection point of 24514 on the optical axis to the fifth lens 2451 image side 24514 and the second curved point close to the optical axis is represented by SGI522, which satisfies the following conditions: SGI512 = -0.32032mm; SGI512 ｜ / (｜ SGI512 ｜ + TP5) = 0.23009.

The horizontal displacement distance parallel to the optical axis between the fifth lens 2451 object side surface 24512 on the optical axis and the fifth lens 2451 object side surface 24512 third inflection point close to the optical axis is represented by SGI513. The fifth lens 2451 is on the side The horizontal displacement distance parallel to the optical axis between the intersection point of 24514 on the optical axis to the fifth lens 2451 image side 24514 and the third curved point close to the optical axis is represented by SGI523, which satisfies the following conditions: SGI513 = 0mm; ｜ SGI513 ｜ / (｜ SGI513 | + TP5) = 0; SGI523 = 0mm; | SGI523 ｜ / (｜ SGI523 | + TP5) = 0.

The horizontal displacement distance parallel to the optical axis between the intersection of the fifth lens 2451 object side surface 24512 on the optical axis and the fifth lens 2451 object side surface 24512, which is the fourth inflection point close to the optical axis, is represented by SGI514. The fifth lens 2451 is the side surface The horizontal displacement distance parallel to the optical axis between the intersection point of 24514 on the optical axis and the image side of the fifth lens 2451 24514 is the inflection point close to the optical axis, which is parallel to the optical axis. Column conditions: SGI514 = 0mm; | SGI514 ｜ / (｜ SGI514 ｜ + TP5) = 0; SGI524 = 0mm; | SGI524 ｜ / (｜ SGI524 ｜ + TP5) = 0.

The vertical distance between the inflection point of the closest optical axis of the fifth lens 2451 object side 24512 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 2451 like the side surface 24514 and the optical axis is represented by HIF521. It meets the following conditions: HIF511 = 0.28212mm; HIF511 / HOI = 0.05642; HIF521 = 2.13850mm; HIF521 / HOI = 0.42770.

The vertical distance between the second inflection point of the fifth lens 2451 on the object side 24512 and the optical axis is represented by HIF512, and the vertical distance between the second inflection point of the fifth lens 2451 on the image side 24514 and the optical axis By HIF522, it meets the following conditions: HIF512 = 2.51384mm; HIF512 / HOI = 0.50277.

The vertical distance between the inflection point of the fifth lens 2451 on the object side 24512 and the third axis close to the optical axis and the optical axis is represented by HIF513. It is represented by HIF523, which satisfies the following conditions: HIF513 = 0mm; HIF513 / HOI = 0; HIF523 = 0mm; HIF523 / HOI = 0.

The fifth lens 2451 is the vertical distance between the object side 24512 of the fourth curved point near the optical axis and the optical axis. The vertical distance between the fifth lens 2451 and the fourth side of the image 24514 is the vertical distance between the fourth curved point near the optical axis and the optical axis. It is represented by HIF524, which satisfies the following conditions: HIF514 = 0mm; HIF514 / HOI = 0; HIF524 = 0mm; HIF524 / HOI = 0.

The sixth lens 2461 has negative refractive power and is made of plastic. The object side surface 24612 is concave, the image side surface 24614 is concave, and the object side surface 24612 has two inflection points and the image side surface 24614 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 image side of the sixth lens The length of the contour curve of the maximum effective radius of the face 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 sixth lens 2461 object side surface 24612 on the optical axis and the closest optical axis of the sixth lens 2461 object side surface 24612 is represented by SGI611. The sixth lens 2461 is like the side surface 24614 at The horizontal displacement distance parallel to the optical axis between the intersection point on the optical axis and the closest optical axis of the sixth lens 2461 image side surface 24614 is represented by SGI621, which satisfies the following conditions: SGI611 = -0.38558mm; ｜ SGI611 ｜ / ( | SGI611 | + TP6) = 0.27212; SGI621 = 0.12386mm; | SGI621 ｜ / (｜ SGI621 | + TP6) = 0.10722.

The horizontal displacement distance parallel to the optical axis between the intersection of the sixth lens 2461 object side surface 24612 on the optical axis and the sixth lens 2461 object side surface 24612 second inflection point close to the optical axis is represented by SGI612. The sixth lens 2461 is the side surface The horizontal displacement distance parallel to the optical axis between the intersection point of 24614 on the optical axis to the sixth lens 2461 image side 24614 and the second curved point close to the optical axis is represented by SGI621, which satisfies the following conditions: SGI612 = -0.47400mm; ｜ SGI612 ｜ / (｜ SGI612 ｜ + TP6) = 0.31488; SGI622 = 0mm; ｜ SGI622 ｜ / (｜ SGI622 ｜ + TP6) = 0.

The vertical distance between the inflection point of the nearest optical axis of the sixth lens 2461 object side 24612 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 2461 and the side surface 24614 and the optical axis is represented by HIF621. It meets the following conditions: HIF611 = 2.24283mm; HIF611 / HOI = 0.44857; HIF621 = 1.07376mm; HIF621 / HOI = 0.21475.

The vertical distance between the second inflection point of the sixth lens 2461 on the object side 24612 and the optical axis is represented by HIF612, and the second inflection point of the sixth lens 2461 on the second side of the image 24614 near the optical axis and the optical axis The vertical distance between them is represented by HIF622, which meets the following conditions: HIF612 = 2.48895mm; HIF612 / HOI = 0.49779.

The vertical distance between the inflection point of the sixth lens 2461 object side 24612 and the third axis close to the optical axis and the optical axis is represented by HIF613, and the vertical distance between the inflection point of the sixth lens 2461 and the third side close to the optical axis of the side surface 24614 and the optical axis It is represented by HIF623, which satisfies the following conditions: HIF613 = 0mm; HIF613 / HOI = 0; HIF623 = 0mm; HIF623 / HOI = 0.

The vertical distance between the inverse side of the sixth lens 2461 and the fourth axis close to the optical axis is represented by HIF614, and the vertical distance between the fourth point of the second lens 2461 and the optical axis is similar to that of the side 24614. It is represented by HIF624, which satisfies the following conditions: HIF614 = 0mm; HIF614 / HOI = 0; HIF624 = 0mm; HIF624 / HOI = 0.

The infrared filter 300 is made of glass and is disposed between the sixth lens 2461 and the imaging surface 600 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 = 4.075mm; 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 2411 is f1, and the focal length of the sixth lens 2461 is f6, which satisfies the following conditions: f1 = -7.828mm; | 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 2421 to the fifth lens 2451 are f2, f3, f4, and f5, respectively, which satisfy the following conditions: | f2 | + | f3 | + | f4 | + | f5 | = 95.50815mm; | f1 | + | f6 | = 12.71352mm 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. At the same time, the following conditions are also satisfied: | 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 24112 of the first lens 2411 to the image side 24614 of the sixth lens 2461 is InTL, the distance between the object side 24112 of the first lens 2411 and the imaging plane 600 is HOS, and the aperture 250 The distance to the imaging plane 600 is InS, half of the diagonal length of the effective sensing area of the image sensing element 140 is HOI, and the distance from the sixth lens image side 24614 to the imaging plane 600 is BFL, which meets the following conditions: InTL + BFL = HOS; HOS = 19.54120mm; HOI = 5.0mm; HOS / HOI = 3.90824; HOS / f = 4.7952; InS = 11.685mm; 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 = 8.13899mm; 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 24112 of the first lens 2411 is R1, and the curvature radius of the image side 24114 of the first lens 2411 is R2, which satisfies the following conditions: | R1 / R2 | = 8.99987. Thereby, the first lens 2411 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 24612 of the sixth lens 2461 is R11, and the curvature radius of the image side 24614 of the sixth lens 2461 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 total focal length of all lenses with positive refractive power is ΣPP, which satisfies the following conditions: ΣPP = f2 + f4 + f5 = 69.770mm; 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 = -38.451mm; and f6 / (f1 + f3 + f6) = 0.127. Therefore, it is helpful to appropriately allocate the negative refractive power of the sixth lens 2461 to other negative 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 distance between the first lens 2411 and the second lens 2421 on the optical axis is IN12, which satisfies the following conditions: IN12 = 6.418mm; 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 2451 and the sixth lens 2461 on the optical axis is IN56, which satisfies the following conditions: IN56 = 0.025mm; 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 2411 and the second lens 2421 on the optical axis are TP1 and TP2, respectively, which satisfy the following conditions: TP1 = 1.934mm; TP2 = 2.486mm; 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 2451 and the sixth lens 2461 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 = 1.072mm; TP6 = 1.031mm; 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 2431 and the fourth lens 2441 on the optical axis is IN34, and the distance between the fourth lens 2441 and the fifth lens 2451 on the optical axis is IN45, which satisfies The following conditions: IN34 = 0.401mm; IN45 = 0.025mm; 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 of the fifth lens 2451 object side surface 24512 on the optical axis to the maximum effective radius position of the fifth lens 2451 object side surface 24512 on the optical axis is InRS51, and the fifth lens 2451 The horizontal displacement distance of the maximum effective radius position of the image side 24514 on the optical axis to the fifth lens 2451 on the optical axis is InRS52. The thickness of the fifth lens 2451 on the optical axis is TP5, which meets the following conditions: InRS51 = -0.34789mm; InRS52 = -0.88185mm; | 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 24512 of the fifth lens 2451 and the optical axis is HVT51, and the vertical distance between the critical point of the image side 24514 of the fifth lens 2451 and the optical axis is HVT52, which satisfies The following conditions: HVT51 = 0.515349mm; HVT52 = 0mm.

In the optical imaging module of this embodiment, the horizontal displacement distance of the maximum effective radius position of the sixth lens 2461 object side 24612 on the optical axis to the sixth lens 2461 object side 24612 on the optical axis is InRS61, and the sixth lens 2461 Intersection point of the image side 24614 on the optical axis to the image side of the sixth lens 2461 The horizontal displacement distance of the maximum effective radius position of the surface 24614 on the optical axis is InRS62, and the thickness of the sixth lens 2461 on the optical axis is TP6, which meets the following conditions: InRS61 = -0.58390mm; InRS62 = 0.41976mm; | 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 24612 of the sixth lens 2461 and the optical axis is HVT61, and the vertical distance between the critical point of the image side 24614 of the sixth lens 2461 and the optical axis is HVT62, which satisfies The following conditions: HVT61 = 0mm; HVT62 = 0mm.

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 2421, the third lens 2431, and the sixth lens 2461 have negative refractive power, the dispersion coefficient of the second lens 2421 is NA2, and the dispersion coefficient of the third lens 2431 is NA3. The dispersion coefficient of the six lenses 2461 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 12mm, PhiA is 2 times EHD62 = 6.726mm (EHD62: the maximum effective radius of the sixth lens 2461 image side 24614), PhiC = PhiA + 2 times TH2 = 7.026mm, PhiD = PhiC + 2 times (TH1 + TH2) = 7.426mm, TH1 is 0.2mm, TH2 is 0.15mm, PhiA / PhiD It is 0.9057, TH1 + TH2 is 0.35mm, (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.

According to Tables 1 and 2, the following values related to the length of the contour curve can be obtained:

Table 1 shows the detailed structural data of the first optical embodiment. The units of the radius of curvature, thickness, distance, and focal length are mm, and the surfaces 0-16 sequentially represent 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.

Second optical embodiment

As shown in FIG. 19, the fixed-focus lens group 230 and the focusing lens group 240 include seven lenses 2401 having refractive power, and the first lens 2411, the second lens 2421, and the third lens 2431 are sequentially from the object side to the image side. The fourth lens 2441, the fifth lens 2451, the sixth lens 2461, and the seventh lens 2471, and the fixed focus lens group 230 and the focus lens group 240 satisfy the following conditions: 0.1 ≦ InTL / HOS ≦ 0.95. To further explain, HOS is the distance from the object side of the first lens 2411 to the imaging plane on the optical axis, and InTL is the distance from the object side of the first lens 2411 to the image side of the seventh lens 2471 on the optical axis.

Please refer to FIG. 22 and FIG. 23, wherein FIG. 22 shows a schematic diagram of a lens group of an optical imaging module according to the second optical embodiment of the present invention, and FIG. 23 is a second optical real estate in sequence from left to right. Spherical aberration, astigmatism, and optical distortion curves of the optical imaging module of the embodiment. It can be seen from FIG. 22 that the optical imaging module includes a first lens 2411, a second lens 2421, a third lens 2431, an aperture 250, a fourth lens 2441, a fifth lens 2451, and a sixth lens in order from the object side to the image side. 2461 and seventh lens 2471, infrared filter 300, imaging surface 600, and image sensor 140.

The first lens 2411 has a negative refractive power and is made of glass. An object side surface 24112 of the first lens 2411 is a convex surface, and an image side surface 24114 thereof is a concave surface.

The second lens 2421 has a negative refractive power and is made of glass. An object side surface 24212 of the second lens 2421 is concave, and an image side surface 24214 of the second lens 2421 is convex.

The third lens 2431 has a positive refractive power and is made of glass. An object side surface 24312 is a convex surface, and an image side surface 24314 is a convex surface.

The fourth lens 2441 has a positive refractive power and is made of glass. An object side surface 24412 is a convex surface, and an image side surface 24414 is a convex surface.

The fifth lens 2451 has a positive refractive power and is made of glass. An object side surface 24512 of the fifth lens 2451 is a convex surface, and an image side surface 24514 is a convex surface.

The sixth lens 2461 has a negative refractive power and is made of glass. An object side surface 24612 is a concave surface, and an image side surface 24614 is a concave surface. This can effectively adjust the angle of incidence of each field of view on the sixth lens 2461 to improve aberrations.

The seventh lens 2471 has a positive refractive power and is made of glass. An object side surface 24712 is a convex surface, and an image side surface 24714 is a convex surface. Thereby, it is advantageous to shorten the back focal length to maintain miniaturization.

The infrared filter 300 is made of glass and is disposed between the seventh lens 2471 and the imaging surface 600 without affecting the focal length of the optical imaging module.

Please refer to Tables 3 and 4 below.

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 Table 3 and Table 4, the following conditional formula values can be obtained:

According to Table 3 and Table 4, the following conditional formula values can be obtained: According to Table 1 and Table 2, the following values related to the length of the contour curve can be obtained:

According to Table 3 and Table 4, the following conditional formula values can be obtained:

Third optical embodiment

As shown in FIG. 18, the fixed-focus lens group 230 and the focusing lens group 240 include six lenses 2401 having refractive power, and the first lens 2411, the second lens 2421, and the third lens are sequentially passed from the object side to the image side. The mirror 2431, the fourth lens 2441, the fifth lens 2451, and the sixth lens 2461, and the fixed focus lens group 230 and the focus lens group 240 satisfy the following conditions: 0.1 ≦ InTL / HOS ≦ 0.95. To further explain, HOS is the distance from the object side of the first lens 2411 to the imaging plane on the optical axis. InTL is the distance from the object side of the first lens 2411 to the image side of the sixth lens 2461 on the optical axis.

Please refer to FIG. 24 and FIG. 25, where FIG. 24 shows a schematic diagram of a lens group of an optical imaging module according to the third optical embodiment of the creation, and FIG. 25 is a third 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. 24 that the optical imaging module includes a first lens 2411, a second lens 2421, a third lens 2431, an aperture 250, a fourth lens 2441, a fifth lens 2451, and a sixth lens in order from the object side to the image side. 2461, an infrared filter 300, an imaging surface 600, and an image sensing element 140.

The first lens 2411 has a negative refractive power and is made of glass. The object side surface 24112 of the first lens 2411 is convex, and the image side surface 24114 of the first lens 2411 is concave.

The second lens 2421 has a negative refractive power and is made of glass. The object side surface 24212 of the second lens 2421 is concave, and the image side surface 24214 of the second lens 2421 is convex.

The third lens 2431 has a positive refractive power and is made of plastic material. Its object side surface 24312 is convex, its image side 24314 is convex, and both are aspheric, and its image side 334 has an inflection point.

The fourth lens 2441 has a negative refractive power and is made of plastic. Its object side 24412 is concave, its image side 24414 is concave, and all of them are aspheric, and its image side 24414 has an inflection point.

The fifth lens 2451 has a positive refractive power and is made of plastic. The object side 24512 is convex, and the image side 24514 is convex, and all of them are aspherical.

The sixth lens 2461 has a negative refractive power and is made of plastic. The object side surface 24612 is convex, the image side surface 24614 is concave, and both are aspheric, and the object side surface 24612 and the image side surface 24614. Each has a point of inflection. 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 300 is made of glass and is disposed between the sixth lens 2461 and the imaging surface 600 without affecting the focal length of the optical imaging module.

Please refer to Table 5 and Table 6 below.

In the third optical embodiment, the aspherical curve equation 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 formula values can be obtained:

According to Table 5 and Table 6, the following values related to the length of the contour curve can be obtained:

According to Table 5 and Table 6, the following conditional formula values can be obtained:

Fourth optical embodiment

As shown in FIG. 17, in an embodiment, the fixed focus lens group 230 and the focus lens group 240 include five lenses 2401 having refractive power, and the first lens 2411 and the second lens are sequentially from the object side to the image side. 2421, a third lens 2431, a fourth lens 2441, and a fifth lens 2451, and the fixed focus lens group 230 and the focus lens group 240 satisfy the following conditions: 0.1 ≦ InTL / HOS ≦ 0.95. To further explain, HOS is the distance from the object side of the first lens 2411 to the imaging plane on the optical axis, and InTL is the distance from the object side of the first lens 2411 to the image side of the fifth lens 2451 on the optical axis.

Please refer to FIG. 26 and FIG. 27, where FIG. 26 shows a schematic diagram of a lens group of an optical imaging module according to the fourth optical embodiment of the creation, and FIG. 27 is a fourth 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. 26 that the optical imaging module includes a first lens 2411, a second lens 2421, a third lens 2431, an aperture 250, a fourth lens 2441, a fifth lens 2451, and a sixth lens in order from the object side to the image side. 2461, an infrared filter 300, an imaging surface 600, and an image sensing element 140.

The first lens 2411 has a negative refractive power and is made of glass. The object side surface 24112 of the first lens 2411 is convex, and the image side surface 24114 of the first lens 2411 is concave.

The second lens 2421 has a negative refractive power and is made of a plastic material. Its object side surface 24212 is concave, its image side surface 24214 is concave and both are aspheric, and its object side surface 24212 has an inflection point.

The third lens 2431 has a positive refractive power and is made of plastic material. Its object side surface 24312 is convex, its image side surface 24314 is convex and all are aspheric, and its object side surface 24312 has an inflection point.

The fourth lens 2441 has a positive refractive power and is made of plastic. Its object side 24412 is convex, its image side 24414 is convex, and all of them are aspheric, and its object side 24412 has an inflection point.

The fifth lens 2451 has a negative refractive power and is made of plastic. Its object side surface 24512 is concave, its image side surface 24514 is concave, and both are aspheric. The object side surface 24512 has two inflection points. Thereby, it is advantageous to shorten the back focal length to maintain miniaturization.

The infrared filter 300 is made of glass and is disposed between the fifth lens 2451 and the imaging surface 600 without affecting the focal length of the optical imaging module.

Please refer to Table 7 and Table 8 below.

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 Table 7 and Table 8, the following conditional formula values can be obtained:

According to Tables 7 and 8, the following values related to the length of the contour curve can be obtained:

According to Table 7 and Table 8, the following conditional formula values can be obtained:

Fifth optical embodiment

As shown in FIG. 16, in an embodiment, the fixed focus lens group 230 and the focus lens group 240 include four lenses 2401 having refractive power, and the first lens 2411 and the second lens are sequentially from the object side to the image side. 2421, the third lens 2431, and the fourth lens 2441, and the fixed focus lens group 230 and the focus lens group 240 satisfy the following conditions: 0.1 ≦ InTL / HOS ≦ 0.95. To further explain, HOS is the distance from the object side of the first lens 2411 to the imaging plane on the optical axis, and InTL is the distance from the object side of the first lens 2411 to the image side of the fourth lens 2441 on the optical axis.

Please refer to FIG. 28 and FIG. 29, where FIG. 28 shows a schematic diagram of a lens group of an optical imaging module according to the fifth optical embodiment of the creation, and FIG. 29 is a fifth optical embodiment in order from left to right Spherical aberration, astigmatism and optical distortion curves of the optical imaging module. As can be seen from FIG. 28, the optical imaging module includes an aperture 250, a first lens 2411, a second lens 2421, a third lens 2431, a fourth lens 2441, an infrared filter 300, and an imaging surface in this order from the object side to the image side. 600 and the image sensing element 140.

The first lens 2411 has a positive refractive power and is made of plastic. Its object side surface 24112 is convex, its image side surface 24114 is convex, and both are aspheric.

The second lens 2421 has a negative refractive power and is made of plastic. Its object side 24212 is convex, its image side 24214 is concave, and both are aspheric. Its object side 24212 has two inflection points and the image side 24214 has a Inflection point.

The third lens 2431 has a positive refractive power and is made of plastic. The object side 24312 is concave, the image side 24314 is convex, and both are aspheric. The object side 24312 has three inflection points and the image side 24314 has a Inflection point.

The fourth lens 2441 has a negative refractive power and is made of plastic. Its object side 24412 is concave, its image side 24414 is concave and both are aspheric, and its object side 24412 has two inflection points and the image side 24414 has a Inflection point.

The infrared filter 300 is made of glass and is disposed between the fourth lens 2441 and the imaging surface 600 without affecting the focal length of the optical imaging module.

Please refer to Tables 9 and 10 below.

Table X. Aspheric coefficients of the fifth optical embodiment

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 formula values can be obtained:

According to Table 9 and Table 10, the following conditional formula values can be obtained:

According to Table 9 and Table 10, the values related to the length of the contour curve can be obtained:

Sixth optical embodiment

Please refer to FIG. 30 and FIG. 31, wherein FIG. 30 shows a schematic diagram of a lens group of an optical imaging module according to the sixth optical embodiment of the creation, and FIG. 31 is a sixth 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. 30 that the optical imaging module includes a first lens 2411, an aperture 250, a second lens 2421, a third lens 2431, an infrared filter 300, an imaging surface 600, and an image sensor in this order from the object side to the image side. Element 140.

The first lens 2411 has a positive refractive power and is made of plastic. The object side surface 24112 of the first lens 2411 is convex, and the image side surface 24114 of the first lens 2411 is concave.

The second lens 2421 has a negative refractive power and is made of plastic. Its object side surface 24212 is concave, its image side 24214 is convex, and both are aspheric. Its image side 24214 has an inflection point.

The third lens 2431 has a positive refractive power and is made of plastic. Its object side 24312 is convex, its image side 24314 is concave and both are aspheric, and its object side 24312 has two inflection points and the image side 24314 has a Inflection point.

The infrared filter 300 is made of glass and is disposed between the third lens 2431 and the imaging surface 600 without affecting the focal length of the optical imaging module.

Please refer to Table 11 and Table 12 below.

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 formula values can be obtained:

According to Table 11 and Table 12, the following conditional formula values can be obtained:

According to Table 11 and Table 12, the relevant values of the contour curve length can be obtained:

In addition, the author further provides an optical imaging system, which includes the optical imaging module 10 of the above embodiments, and can be applied to electronic portable devices, electronic wearable devices, electronic monitoring devices, electronic information devices, and electronic communication devices. , Machine vision devices, automotive electronics, and one of the groups it forms.

To further explain, the optical imaging module of this creation can be applied to one of the groups consisting of electronic portable devices, electronic wearable devices, electronic monitoring devices, electronic information devices, electronic communication devices, machine vision devices, and automotive electronic devices. And, depending on the needs, different lens groups can be used to reduce the required mechanism space and increase the screen visible area.

Please refer to Figure 32, which is the optical imaging module 712 and the optical imaging module 714 (front lens) of this creation used in mobile communication device 71 (Smart Phone), and Figure 33 is the optical imaging module of this creation 722 is used in mobile information device 72 (Notebook). Figure 34 shows the optical imaging module used in this creation. 732 is used in Smart Watch 73. Figure 35 shows the optical imaging module used in this creation. 742 Smart Head 74 (Smart Hat), Figure 36 shows the optical imaging module 752 of this creation used for security monitoring device 75 (IP Cam), Figure 37 shows the optical imaging module 762 of this creation For the imaging device 76 for the car, Figure 38 shows the optical imaging module 772 created for the UAV device 77, and Figure 39 shows the optical imaging module 782 created for the extreme sports imaging device 78.

In addition, this creation provides a method for manufacturing an optical imaging module. As shown in Figure 40, it can include the following method steps:

S101: A circuit assembly 100 is provided, and the circuit assembly 100 may include at least one base 110, at least one circuit substrate 120, at least two image sensing elements 140, and a plurality of electrical conductors 160, and a plurality of circuit contacts 1201 are disposed on the circuit substrate 120. The circuit substrate 120 has at least one light-transmitting area 1202.

S102: Set at least one accommodating space 1101 on the base 110, and each accommodating space 1101 can accommodate each image sensing element 140, and each image sensing element 140 can include a first surface 142 and a second surface 144, each image The first surface 142 of the sensing element 140 may be adjacent to the bottom surface of each accommodating space 1101, and the second surface 144 of the sensing element 140 has a sensing surface 1441 and a plurality of image contacts 146.

S103: A plurality of electrical conductors 160 are respectively disposed between each circuit substrate 120 and a plurality of image contacts 146 connected to the image sensing element 140 of each circuit substrate 120.

S104: The multi-lens frame 180 is integrally formed, and a plurality of light channels 182 are formed at positions corresponding to the sensing surfaces 1441 on the second surface 144 of each image sensing element 140.

S105: A lens assembly 200 is provided, and the lens assembly 200 may include at least two lens bases 220, at least a certain focus lens group 230, at least one focus lens group 240, and a plurality of driving components 260.

S106: The lens base 220 is made of an opaque material, and an accommodating hole 2201 is formed in the lens base 220, so that the accommodating hole 2201 passes through both ends of the lens base 220 to make the lens base 220 hollow.

S107: The lens base 220 is set on the multi-lens frame 180 so that the accommodation hole 2201 communicates with the light channel 182.

S108: Set at least two lenses 2401 with refractive power in the fixed focus lens group 230 and the focus lens group 240, and make the fixed focus lens group 230 or the focus lens group 240 meet the following conditions: 1.0 ≦ f / HEP ≦ 10.0; 0deg <HAF ≦ 150deg; 0mm <PhiD ≦ 18mm; 0 <PhiA / PhiD ≦ 0.99; and 0 ≦ 2 (ARE / HEP) ≦ 2.0.

In the above conditions, f is the focal length of the fixed focus lens group 230 or the focus lens group 240; HEP is the entrance pupil diameter of the fixed focus lens group 230 or the focus lens group 240; HAF is the fixed focus lens group 230 or the focus lens group 240 Half of the maximum viewing angle; PhiD is the maximum value of the minimum side length on a plane outside the periphery of the lens base 220 and perpendicular to the optical axis of the fixed focus lens group 230 or the focus lens group 240; PhiA is the fixed focus lens group 230 Or the maximum effective diameter of the surface of the lens 2401 of the focusing lens group 240 closest to the imaging surface; ARE starts from the intersection of the surface of the lens 2401 of any of the lenses 2401 of the fixed focus lens group 230 or any of the focusing lens groups 2401 with the optical axis, and The length of the contour curve obtained from the position at a vertical height of 1/2 the diameter of the entrance pupil from the optical axis and extending along the contour of the surface of the lens 2401.

S109: The fixed focus lens group 230 and the focus lens group 240 are set on the lens base 220 and the fixed focus lens group 230 and the focus lens group 240 are located in the accommodation hole 2201.

S110: Adjust the imaging surfaces of the fixed-focus lens group 230 and the focus lens group 240 of the lens assembly 200 so that the imaging surfaces of the fixed-focus lens group 230 and the focus lens group 240 of the lens assembly 200 are located on the sensing surface of each image sensing element 140 1441, and the optical axes of the fixed focus lens group 230 and the focus lens group 240 pass through the light transmission area 1202 and overlap with the center normal of the sensing surface 1441.

S111: Each driving component 260 is electrically connected to the circuit substrate 120, and is coupled to the focus lens group 240 to drive each focus lens group 240 to move in the direction of the center normal of the sensing surface 1441.

To further explain, with the method of S101 to S111, the multi-lens frame 180 can be integrally formed to ensure its flatness, and the AA (Active Alignment) process can be used to adjust the base in any of S101 to S110. 110, the circuit board 120, the image sensing element 140, the lens base 220, the fixed focus lens group 230, the focus lens group 240, the driving component 260, and the relative positions among the various components included in the optical imaging module 10 so that The light can pass through the focus lens group 230 and the focus lens group 240 in the accommodation hole 2201 and pass through the light channel 182 to be projected to the sensing surface 1441, so that the imaging surfaces of the focus lens group 230 and the focus lens group 240 can be located on the sensor The measuring surface 1441, and the optical axes of the fixed-focus lens group 230 and the focusing lens group 240 overlap with the center normal of the sensing surface 1441 to ensure imaging quality.

In addition, since the image sensing element 140 is disposed in the accommodating space 1101 of the base 110, the overall height of the optical imaging module 10 can be effectively reduced, and the overall structure is more compact.

Please refer to FIGS. 2 to 8 and FIGS. 41 to 43. This creation further provides an optical imaging module 10, which may include a circuit assembly 100, a lens assembly 200, and a multi-lens outer frame 190. The circuit assembly 100 may include at least one base 110, at least one circuit substrate 120, at least two image sensing elements 140, and a plurality of electrical conductors 160. The lens assembly 200 may include at least two lens bases 220, at least a certain focus lens group 230, At least one focusing lens group 240 and at least one driving component 260.

Further explanation, the base 110 may have at least one receiving space 1101, the circuit substrate 120 may be disposed on the base 110 and have at least one light-transmitting area 1202, and may include a plurality of circuit contacts 1201, and each image sensing element 140 may Received in each accommodation space 1101, and the base 110 It can effectively protect the image sensing element 140 from external impact, and prevent dust from affecting the image sensing element 140.

In addition, the image sensing element 140 may include a first surface 142 and a second surface 144, and the maximum value of the minimum side length on the outer periphery of the image sensing element 140 and on a plane perpendicular to the optical axis is LS. The first surface 142 is adjacent to each accommodation space 1101, and the second surface 144 may have a sensing surface 1441 and a plurality of image contacts 146. The plurality of electrical conductors 160 may be disposed between each of the circuit contacts 1201 and the plurality of image contacts 146 of each image sensing element 140. In one embodiment, the conductive body 160 can be a tin ball, a silver ball, or a gold ball. Therefore, the conductive body 160 can be connected to the image contact 146 and the circuit contact 1201 by soldering, so as to conduct the image sensed by the image sensing element 140. Sensing signal.

The at least two lens bases 220 may be made of a light-impermeable material, and have accommodation holes 2201 passing through both ends of the lens base 220 to make the lens base 220 hollow, and the lens base 220 may be disposed on the circuit substrate 120, and In one embodiment, the multi-lens frame 180 may be first disposed on the circuit substrate 120, and then the lens base 220 may be disposed on the multi-lens frame 180 and the circuit substrate 120.

Each fixed-focus lens group 230 and each focusing lens group 240 may have at least two lenses 2401 having refractive power, and are disposed on the lens base 220 and located in the accommodation hole 2201, and each of the fixed-focus lens group 230 and each focusing lens The imaging surface of the group 240 can be located on the sensing surface 1441, and the optical axes of the fixed focus lens groups 230 and the focusing lens groups 240 pass through the light transmission area 1202 and overlap with the center normal of the sensing surface 1441, so that light can pass through. Each fixed focus lens group 230 and each focus lens group 240 in the hole 2201 are projected onto the sensing surface 1441 to ensure imaging quality. In addition, the maximum diameter of the image side of the lens closest to the imaging surface of each fixed-focus lens group 230 and each focusing lens group 240 is represented by PhiB, and the closest-focus lens group 230 and each focusing lens group 240 (i.e., The maximum effective diameter (also called optical exit pupil) of the image side of a lens can be represented by PhiA.

Each driving component 260 can be electrically connected to the circuit substrate 120 and drive each focusing lens group 240 to move in the direction of the center normal of the sensing surface 1441. In one embodiment, the driving component 260 can include a voice coil motor to drive Each focus lens group 240 moves in the center normal direction of the sensing surface 1441.

In addition, each lens base 220 can be separately fixed in the multi-lens outer frame 190, so as to form an integrated optical imaging module 10, and can make the structure of the overall optical imaging module 10 more stable and protect the circuit components. 100 and lens assembly 200 to avoid impact, dust pollution, and the like.

In addition, each of the fixed-focus lens groups 230 or each of the focusing lens groups 240 satisfies the following conditions: 1.0 ≦ f / HEP ≦ 10.0; 0deg <HAF ≦ 150deg; 0mm <PhiD ≦ 18mm; 0 <PhiA / PhiD ≦ 0.99; and 0 ≦ 2 (ARE / HEP) ≦ 2.0

Further explanation, f is the focal length of the fixed focus lens group 230 or the focus lens group 240; HEP is the entrance pupil diameter of the fixed focus lens group 230 or the focus lens group 240; HAF is the maximum visible of the fixed focus lens group 230 or the focus lens group 240 Half the angle; PhiD is the maximum value of the smallest side length on the plane outside the lens base and perpendicular to the optical axis of the fixed-focus lens group 230 or focus lens group 240; PhiA is the fixed-focus lens group 230 or focus lens group 240 The largest effective diameter of the lens surface closest to the imaging surface; ARE starts from the intersection of any lens surface of the fixed focus lens group 230 or any lens in the focus lens group 240 and the optical axis, and is 1/2 from the optical axis The position at the vertical height of the entrance pupil diameter is the end point, and the length of the contour curve obtained along the contour of the lens surface.

In addition, in the above embodiments and manufacturing methods, each single lens group included in the optical imaging module provided by this creation exists in an independent package, and the fixed focus lens group and the focus lens group exist in independent packages. To achieve their respective functions and have good imaging quality.

Each single lens group included in the optical imaging module provided by this creation can use one or more specifications of different lens numbers, apertures, viewing angle FOVs and focal lengths to form a plurality of lens imaging modules.

The above description is exemplary only, and not restrictive. Any equivalent modification or change made without departing from the spirit and scope of this creation shall be included in the scope of the attached patent application.

Claims (28)

An optical imaging module includes: a circuit component including: at least one base with at least one accommodation space; at least one circuit substrate disposed on the base and having at least one light transmitting area, and the circuit substrate is provided A plurality of circuit contacts; at least two image sensing elements are respectively housed in each of the accommodating spaces, each image sensing element includes a first surface and a second surface, and the first of the image sensing elements The bottom surface of each surface adjacent to the containing space and the second surface have a sensing surface and a plurality of image contacts; a plurality of electrical conductors are disposed at the circuit contacts and the plurality of image sensing elements. Between a plurality of image contacts; and a multi-lens frame, which is made in an integrated manner and is covered on each of the circuit substrates, and has a plurality of light channels corresponding to the positions of the sensing surfaces of the image sensing elements And a lens assembly, comprising: at least two lens bases, each of which is made of an opaque material, and has a receiving hole penetrating both ends of the lens base to make the lens base hollow , The lens base is disposed on the multi-lens frame to communicate the accommodation hole and the light channel; and at least a fixed focus lens group, the fixed focus lens group has at least two lenses having refractive power, and is disposed on the lens The base is located in the accommodating hole, one imaging surface of the fixed focus lens group is located on the sensing surface of the image sensing element, and the optical axis of the fixed focus lens group passes through the transparent area and the image The center normal of the sensing surface of the sensing element overlaps, so that light passes through the fixed focus lens group in each of the accommodation holes and passes through each of the light channels and is projected to the sensing surface of the image sensing element; at least A focusing lens group, which has at least two lenses having refractive power, is disposed on the lens base and is located in the accommodation hole, and an imaging surface of the focusing lens group is located on the image sensing element. The sensing surface, and the optical axis of the focusing lens group passes through the light transmission area and overlaps with the center normal of the sensing surface of the image sensing element, so that light passes through the focusing lens group in each of the accommodation holes and Projection after passing through each of the light channels The sensing surface of the image sensing element; at least one driving component electrically connected to each of the circuit substrates, and driving the focusing lens group to move in the direction of the center normal of the sensing surface of the image sensing element ; Wherein each of the fixed-focus lens group or each of the focusing lens groups more satisfies the following conditions: 1.0 ≦ f / HEP ≦ 10.0; 0deg <HAF ≦ 150deg; 0mm <PhiD ≦ 18mm; 0 <PhiA / PhiD ≦ 0.99; and 0.9 ≦ 2 (ARE / HEP) ≦ 2.0, where f is the focal length of each of the fixed focus lens group or each of the focus lens group; HEP is the human pupil diameter of each of the fixed focus lens group or each of the focus lens group; HAF is One half of the maximum viewing angle of each of the fixed-focus lens group or each of the focusing lens group; PhiD is the smallest edge on the plane of the outer periphery of each lens base and perpendicular to the optical axis of the fixed-focus lens group or the focusing lens group The longest maximum value; PhiA is the maximum effective diameter of the lens surface of the fixed focus lens group or the focusing lens group closest to the imaging surface; ARE uses any lens of the fixed focus lens group or any lens in the focusing lens group The intersection of the surface and the optical axis is the starting point, and the entrance pupil diameter is 1/2 from the optical axis The position at the vertical height is the end point, and the length of the contour curve obtained by extending the contour of the lens surface. The optical imaging module according to item 1 of the patent application scope, wherein each of the lens bases includes a lens barrel and a lens holder, the lens barrel has a through hole penetrating through one of the two ends of the lens barrel, and the lens The holder has a lower through hole penetrating through both ends of the lens holder, and the lens barrel is disposed in the lens holder and located in the lower through hole, so that the upper through hole communicates with the lower through hole to jointly form the accommodation hole, The lens holder is fixed on the multi-lens frame, so that each of the light-transmitting regions is located in the lower through hole, and the through-hole on the lens barrel is directly opposite the sensing surface of each image sensing element and each of the light-transmitting regions. Each focusing module is disposed in the lens barrel and is located in the upper through hole, and the driving component drives the lens barrel to move relative to the lens holder in a normal direction of the center of the sensing surface of the image sensing element , And PhiD is 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 fixed focus lens group or the focus lens group. The optical imaging module described in the first item of the patent application scope further includes at least one data transmission line which is electrically connected to each of the circuit substrates and transmits a plurality of sensing signals generated by each of the image sensing elements. The optical imaging module according to item 1 of the patent application scope, wherein the plurality of image sensing elements sense a plurality of color images. The optical imaging module according to item 1 of the patent application scope, wherein at least one of the plurality of image sensing elements senses a plurality of black and white images, and at least one of the plurality of image sensing elements senses a plurality of black and white images. Color image. According to the optical imaging module described in the first item of the patent application scope, the optical imaging module further includes at least two infrared filters, and each of the infrared filters is disposed in each of the lens bases and located in each of the receiving holes and in each of the receiving holes. Above the image sensing element. The optical imaging module according to item 2 of the patent application scope further includes at least two infrared filters, and each of the infrared filters is disposed in the lens barrel or the lens holder and is positioned above each of the image sensing elements. . According to the optical imaging module described in the first item of the patent application scope, the optical imaging module further includes at least two infrared filters, and each of the lens bases includes a filter holder, and the filter holder has two penetrating through the filter holder. A filter through-hole, and each of the infrared filters is disposed in each of the filter holders and is located in the filter through-hole, and the filter holder corresponds to the positions of a plurality of optical channels It is arranged on the multi-lens frame, so that each infrared filter is located above the image sensing element. The optical imaging module according to item 8 of the scope of patent application, wherein each lens base includes a lens barrel and a lens holder; the lens barrel has an upper hole penetrating through one of the two ends of the lens barrel, and the lens holder is There is a lower through hole penetrating through both ends of the lens holder, the lens barrel is arranged in the lens holder and is located in the lower through hole; the lens holder is fixed on the filter holder, and the lower through hole communicates with the upper hole The hole and the filter through-hole communicate with each other to form the containing hole, so that each image sensing element is located in each of the filter through-holes, and the upper through-hole of the lens barrel faces each of the image sensing The sensing surface of the element and each of the light-transmitting regions; in addition, the focusing lens group and the fixed-focus lens group are disposed in the lens barrel and located in the upper through hole. The optical imaging module according to item 1 of the patent application scope, further comprising at least two infrared filters, and each of the infrared filters is disposed in each of the light-transmitting regions. The optical imaging module according to item 1 of the patent application scope, wherein the material of the multi-lens frame comprises any one or a combination of thermoplastic resin, industrial plastic, insulating material, metal, conductive material or alloy. The optical imaging module according to item 1 of the scope of patent application, wherein the multi-lens frame includes a plurality of lens holders, and each of the lens holders has the light channel, has a central axis, and two adjacent lenses The distance between the central axis of the bracket is between 2mm and 200mm. The optical imaging module according to item 1 of the patent application scope, wherein each of the driving components includes a voice coil motor. The optical imaging module according to item 1 of the patent application scope, wherein the optical imaging module has at least two lens groups, namely a first lens group and a second lens group, and the first lens group and the first lens group At least one of the two lens groups is the focus lens group or the fixed focus lens group, and the viewing angle FOV of the second lens group is greater than the viewing angle FOV of the first lens group. The optical imaging module according to item 1 of the patent application scope, wherein the optical imaging module has at least two lens groups, namely a first lens group and a second lens group, and the first lens group and the first lens group At least one of the two lens groups is the focus lens group or the fixed focus lens group, and the focal length of the first lens group is greater than the focal length of the second lens group. The optical imaging module according to item 1 of the patent application scope, wherein the optical imaging module has at least three lens groups, namely a first lens group, a second lens group, and a third lens group, and the first At least one of a lens group, the second lens group, and the third lens group is the focus lens group or the fixed focus lens group, and the angle of view FOV of the second lens group is greater than the angle of view FOV of the first lens group, The FOV of the second lens group is greater than 46 °, and each of the image sensing elements corresponding to the light received by the first lens group and the second lens group senses a plurality of color images. The optical imaging module according to item 1 of the patent application scope, wherein the optical imaging module has at least three lens groups, namely a first lens group, a second lens group, and a third lens group, and the first At least one of a lens group, the second lens group, and the third lens group is the focus lens group or the fixed focus lens group, and the focal length of the first lens group is greater than the focal length of the second lens group and corresponds to Each of the image sensing elements receiving light from the first lens group and the second lens group senses a plurality of color images. According to the optical imaging module described in item 2 or 9 of the patent application scope, 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 lens The minimum thickness of the tube; HOI is the maximum imaging height perpendicular to the optical axis on the imaging surface. According to the optical imaging module described in item 2 or 9 of the scope of patent application, the following conditions are more satisfied: 0mm <TH1 + TH2 ≦ 1.5mm; where TH1 is the maximum thickness of the lens holder; TH2 is the minimum thickness of the lens barrel thickness. The optical imaging module described in item 1 of the scope of patent application, wherein the following conditions are more satisfied: 0.9 ≦ ARS / EHD ≦ 2.0; wherein ARS is a lens in each of the focus lens group or each of the fixed focus lens group The length of the contour curve obtained from the intersection of any lens surface and the optical axis as the starting point and the maximum effective radius of the lens surface as the end point, extending along the contour of the lens surface; EHD is each of the fixed-focus lens groups and each of the Maximum effective radius of any surface of any lens in the focus lens group. The optical imaging module described in item 1 of the patent application scope, which further satisfies the following conditions: PLTA ≦ 100 μm; PSTA ≦ 100 μm; NLTA ≦ 100 μm; NSTA ≦ 100 μm; SLTA ≦ 100 μm; and SSTA ≦ 100 μm; where HOI is The maximum imaging height perpendicular to the optical axis on the imaging plane; PLTA is the longest working wavelength of the visible light of the positive meridional fan of the optical imaging module passing through the edge of an entrance pupil and incident on the imaging plane at 0.7 HOI. PSTA is the lateral aberration of the shortest visible wavelength 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 negative of the optical imaging module The longest working wavelength of the visible light of the meridional fan passes through the edge of the entrance pupil and is incident on the imaging surface at 0.7HOI of lateral aberration; NSTA is the shortest working wavelength of the visible light of the negative meridional fan of the optical imaging module. The lateral aberration of the entrance pupil edge and incident at 0.7HOI on the imaging plane; SLTA is the longest working wavelength of the visible light of the sagittal fan of the optical imaging module passes through the entrance pupil edge Transverse aberration at 0.7HOI incident on the imaging plane; SSTA is the shortest working wavelength of the visible light of the sagittal plane fan of the optical imaging module that passes through the edge of the entrance pupil and is incident at 0.7HOI on the imaging plane. . The optical imaging module according to item 1 of the scope of patent application, wherein each of the focus lens group or each of the fixed focus lens groups includes four lenses having refractive power, and a first lens is sequentially from the object side to the image side. , A second lens, a third lens, and a fourth lens, and each of the fixed-focus lens group or each of the focusing lens groups satisfies the following conditions: 0.1 ≦ InTL / HOS ≦ 0.95; wherein HOS is the first lens The distance from the object side to the imaging plane on the optical axis; InTL is the distance from the object side of the first lens to the image side of the fourth lens on the optical axis. The optical imaging module according to item 1 of the scope of patent application, wherein each of the focus lens group or each of the fixed focus lens groups includes five lenses having refractive power, and a first lens is sequentially from the object side to the image side. A second lens, a third lens, a fourth lens, and a fifth lens, and each of the focus lens group or each of the fixed focus lens groups satisfies the following conditions: 0.1 ≦ InTL / HOS ≦ 0.95; where HOS is The distance from the object side of the first lens to the imaging plane on the optical axis; InTL is 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 item 1 of the scope of patent application, wherein each of the focus lens group or each of the fixed focus lens groups includes six lenses with refractive power, and a first lens is sequentially from the object side to the image side. A second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens, and each of the fixed-focus lens group or each of the focusing lens group satisfies the following conditions: 0.1 ≦ InTL / HOS ≦ 0.95 Wherein, HOS is the distance on the optical axis from the object side of the first lens to the imaging surface; InTL is the distance on the optical axis from the object side of the first lens to the image side of the sixth lens. The optical imaging module according to item 1 of the scope of patent application, wherein each of the focusing lens group or each of the fixed-focus lens groups includes seven lenses having refractive power, which are sequentially a first from the object side to the image side. Lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens, and each of the focusing lens groups or each of the focusing lens groups satisfies the following conditions: 0.1 ≦ InTL / HOS ≦ 0.95; where HOS is the distance from the object side of the first lens to the imaging plane on the optical axis; InTL is the distance from the object side of the first lens to the image side of the seventh lens on the optical axis distance. For example, the optical imaging module described in the first patent application scope further includes 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 plane on the optical axis. Distance; HOS is the distance from the lens surface of each focusing lens group or each fixed-focus lens group farthest from the imaging surface to the imaging surface on the optical axis. An imaging system includes the optical imaging module according to item 1 of the patent application scope. The imaging system is applied to an electronic portable device, an electronic wearable device, an electronic monitoring device, an electronic information device, an electronic communication device, and a machine. Vision devices, automotive electronic devices, and one of the groups. An optical imaging module includes: a circuit component including: at least one base having at least one accommodation space; at least one circuit substrate disposed on the base and having at least one light transmitting area, and the circuit substrate is provided A plurality of circuit contacts; at least two image sensing elements are respectively housed in each of the accommodating spaces, each image sensing element includes a first surface and a second surface, and the first of the image sensing elements The bottom surface of each of the accommodating spaces and its second surface has a sensing surface and a plurality of image contacts on the second surface; and a plurality of electrical conductors disposed on the circuit contacts and the image sensing elements. Between a plurality of image contacts; and a lens assembly, comprising: at least two lens bases, each of which is made of an opaque material, and has a receiving hole passing through both ends of the lens base, The lens base is hollow, and the lens base is arranged on the circuit substrate; at least a fixed focus lens group, the fixed focus lens group has at least two lenses having refractive power, and is arranged on the lens base and In the accommodating hole, an imaging surface of the fixed-focus lens group is located on the sensing surface of the image sensing element, and an optical axis of the fixed-focus lens group passes through the transparent area and the image sensing element. The center normals of the sensing surfaces overlap so that light passes through the fixed focus lens groups in each of the accommodation holes and is projected to the sensing surface of the image sensing element; at least one focusing lens group, the focusing lens group having At least two lenses having refractive power are disposed on the lens base and located in the accommodation hole, an imaging surface of the focusing lens group is located on the sensing surface of the image sensing element, and The optical axis passes through the transparent area and overlaps with the center normal of the sensing surface of the image sensing element, so that light passes through the focusing lens group in each of the accommodation holes and is projected to the image sensing element. A measuring surface; and at least one driving component, which is electrically connected to each of the circuit substrates and drives each of the focusing lens groups to move in a direction normal to a center of the sensing surface of each of the image sensing elements; and a multi-lens The outer frame separates each lens base Fixed to the multi-lens outer frame to form a whole; wherein each of the fixed-focus lens group or each of the focusing lens groups more satisfies the following conditions: 1.0 ≦ f / HEP ≦ 10.0; 0deg <HAF ≦ 150deg; 0mm <PhiD ≦ 18mm; 0 <PhiA / PhiD ≦ 0.99; and 0.9 ≦ 2 (ARE / HEP) ≦ 2.0, where f is the focal length of each of the fixed-focus lens groups or each of the focusing lens groups; HEP is each of the fixed-focus lens groups or each The entrance pupil diameter of the focusing lens group; HAF is half of the maximum viewing angle of each of the focusing lens groups or each of the focusing lens groups; PhiD is the outer periphery of each lens base and is perpendicular to each of the focusing lens groups or each The maximum value of the minimum side length on the plane of the optical axis of the focusing lens group; PhiA is the maximum effective diameter of the lens surface closest to the imaging surface of each of the focusing lens groups or each of the focusing lens groups; The intersection of the focal lens group or any lens surface of any lens in the focusing lens group with the optical axis is the starting point, and the position at the vertical height of 1/2 of the entrance pupil diameter from the optical axis is the end point, extending along the lens surface The length of the contour curve.