CN107783259B - Optical imaging lens and camera module - Google Patents
Optical imaging lens and camera module Download PDFInfo
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- CN107783259B CN107783259B CN201711283155.0A CN201711283155A CN107783259B CN 107783259 B CN107783259 B CN 107783259B CN 201711283155 A CN201711283155 A CN 201711283155A CN 107783259 B CN107783259 B CN 107783259B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
Abstract
The invention discloses an optical imaging lens, which comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens which are sequentially arranged from an object side to an image side along an optical axis; the first lens element with negative refractive power has a concave image-side surface; the second lens element with refractive power has a convex object-side surface and a convex image-side surface; the third lens element with refractive power has a concave object-side surface; the fourth lens element with refractive power; the fifth lens element with refractive power; the sixth lens element with refractive power has a convex object-side surface at a paraxial region and a concave image-side surface at a paraxial region, and each of the object-side surface and the image-side surface comprises at least one inflection point. The optical imaging lens can shorten the total length of the lens group while meeting the imaging of a large field angle, and achieves light weight, thinness and miniaturization. The invention also discloses an image pickup module comprising the optical imaging lens.
Description
Technical Field
The present invention relates to the field of optical lenses, and in particular, to an optical imaging lens. The invention also relates to a camera module.
Background
With the development of electronic science and technology, mobile portable electronic devices, such as smart phones, tablet computers, automobile recorders, motion cameras, and the like, have been rapidly popularized, and optical imaging lenses applied to the mobile portable electronic devices have been vigorously developed.
The mobile portable electronic equipment brings great convenience to life of people, and meanwhile, the requirements of people on the mobile electronic equipment are higher and higher, so that more convenient and better use experience is continuously pursued, and the optical imaging lens used by the mobile portable electronic equipment is required to be lighter and thinner and miniaturized; on the other hand, in some applications, optical imaging lenses are required to have a large field angle, such as front-end self-timer, game machines, panoramic cameras, etc., which can make the photographed scene wider and the field of view wider. Under the driving of the above, the market demand for small, light and thin optical imaging lenses with large field angle is rapidly increasing, especially in the fields of mobile phones, vehicle-mounted lenses and the like.
The traditional light and thin wide-angle optical imaging lens adopts four-piece type and five-piece type lens structures, but the four-piece type and five-piece type lens structures have limitations in the aspects of refractive power distribution, aberration astigmatism correction, sensitivity distribution and the like, and cannot further meet the imaging requirements of higher specifications. Currently, the number of the five-piece wide-angle optical imaging lens assembly is increased, so that the total length of the lens assembly is increased, and the total length of the lens assembly cannot be effectively pressed.
Disclosure of Invention
The invention aims to provide an optical imaging lens, which can shorten the total length of a lens group and achieve light weight and miniaturization while meeting the imaging of a large field angle compared with the prior art. The invention also provides a camera module.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an optical imaging lens includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens arranged in order from an object side to an image side along an optical axis;
the first lens element with negative refractive power has a concave image-side surface;
the second lens element with refractive power has a convex object-side surface and a convex image-side surface;
the third lens element with refractive power has a concave object-side surface;
the fourth lens element with refractive power;
the fifth lens element with refractive power;
the sixth lens element with refractive power has a convex object-side surface at a paraxial region and a concave image-side surface at a paraxial region, wherein the object-side surface comprises at least one inflection point and the image-side surface comprises at least one inflection point;
and satisfies the following conditions:
0.6＜f 25 /f＜1.4；
4＜CT 25 /AG 25 ＜10；
wherein f represents the focal length of the optical imaging lens, f 25 Representing the combined focal length of the second lens to the fifth lens, CT 25 Representing the sum of thicknesses of the second lens to the fifth lens on the optical axis, AG 25 Representing the sum of the air intervals on the optical axis between each adjacent lens of the second lens to the fifth lens.
Optionally, the object side surface of the fourth lens is a convex surface, and the image side surface is a convex surface.
Optionally, the following conditions are also satisfied: yin is 2 < 4 /CT 4 < 3, wherein Yin 4 Representing the smallest optical effective diameter of the fourth lens, CT 4 Representing the thickness of the fourth lens on the optical axis.
Optionally, the following conditions are also satisfied: CT is 1.2 < 2 /CT 3 < 2.5, wherein CT 2 Representing the thickness of the second lens on the optical axis, CT 3 Representing the thickness of the third lens on the optical axis.
Optionally, the following conditions are also satisfied: r is more than 2 11 /R 12 < 10, wherein R 11 Representing the radius of curvature of the object-side surface of the first lens, R 12 Representing the radius of curvature of the first lens-side surface.
Optionally, the following conditions are also satisfied: i f 3 |＞|f i I, where i=1, 2, 4, 5, 6,f i Represents the focal length of the ith lens, f 3 Representing the focal length of the third lens.
Optionally, the following conditions are also satisfied: |fx| > |fx| where j=1, 2, 4, 5, f j Represents the focal length, f, of the j-th lens 6 Representing the focal length of the sixth lens.
Optionally, the following conditions are also satisfied: -4 < f 5 And/f < -0.5, wherein f 5 Representing the focal length of the fifth lens.
Optionally, the following conditions are also satisfied: 1.6 < Σct/Σag < 4, wherein Σct represents the sum of thicknesses of the respective lenses of the first lens to the sixth lens on the optical axis, Σag represents the sum of air intervals between the respective adjacent lenses of the first lens to the sixth lens on the optical axis.
Optionally, the following conditions are also satisfied: AG is 1.8 < 12 /AG 56 < 3, wherein AG 12 Represents an air gap AG between the first lens and the second lens on the optical axis 56 Representing the air separation on the optical axis between the fifth lens and the sixth lens.
Optionally, the following conditions are also satisfied: CA is 1.2 < 61 /CA 11 < 1.8, wherein CA 61 Representing the maximum optical effective diameter of the object side surface of the sixth lens, CA 11 Representing the maximum optical effective diameter of the object-side surface of the first lens.
Optionally, the following conditions are also satisfied: ET of 1.5 < 5 /CT 5 < 3.5, wherein ET 5 Representing the edge thickness of the fifth lens, CT 5 Representing the thickness of the fifth lens on the optical axis.
Optionally, the following conditions are also satisfied: -10 < (R) 51 +R 52 )/(R 51 -R 52 ) < 20, wherein R 51 Representing the radius of curvature of the object-side surface of the fifth lens, R 52 Representing the radius of curvature of the fifth lens-side surface.
Optionally, the following conditions are also satisfied: 0 < (R) 61 +R 62 )/(R 61 -R 62 ) < 40, wherein R 61 Representing the radius of curvature of the object-side surface of the sixth lens, R 62 Representing the radius of curvature of the sixth lens-side surface.
Optionally, the following conditions are also satisfied: f is 0.6 < f 26 F is less than 0.8, wherein f 26 Representing a combined focal length of the second lens to the sixth lens.
Optionally, the following conditions are also satisfied: yc is 0.4 < 61 +Yc 62 < 0.8, wherein Yc 61 Representing the distance, yc, from the point of intersection of the object-side surface of the sixth lens and the optical axis to the point of projection of the object-side surface of the sixth lens on the optical axis 62 And represents the distance from the intersection point of the surface of the side surface of the sixth lens image and the optical axis to the projection point of the surface standing point of the side surface of the sixth lens image on the optical axis.
The image pickup module comprises an electronic photosensitive element and the optical imaging lens, wherein the electronic photosensitive element is arranged on an imaging surface of the optical imaging lens.
According to the technical scheme, the optical imaging lens provided by the invention adopts a six-piece structure, and comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens which are sequentially arranged from an object side to an image side along an optical axis, wherein object side light rays sequentially pass through the lenses and are imaged on an imaging surface positioned on the image side of the sixth lens. In the optical imaging lens, each lens adopts a reasonable surface-shaped structure, wherein the refractive power of the optical lens group is reasonably distributed by adjusting the ratio of the combined focal length of the middle lens group to the focal length of the whole optical lens group; meanwhile, the overall structure of the middle lens group is compact by adjusting the ratio of the lens thickness of the middle lens group to the air interval between the lenses, so that the total length of the optical lens group is shortened, and the light weight and the miniaturization are achieved.
The camera module provided by the invention can achieve the beneficial effects.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of an optical imaging lens according to a first embodiment of the present invention;
FIG. 2 is a diagram showing a distortion field of an optical imaging lens according to a first embodiment of the present invention;
FIG. 3 is a graph showing spherical aberration curves of an optical imaging lens according to a first embodiment of the present invention;
fig. 4 is a schematic diagram of an optical imaging lens according to a second embodiment of the present invention;
FIG. 5 is a diagram showing a distortion field of an optical imaging lens according to a second embodiment of the present invention;
FIG. 6 is a graph showing spherical aberration curves of an optical imaging lens according to a second embodiment of the present invention;
fig. 7 is a schematic diagram of an optical imaging lens according to a third embodiment of the present invention;
FIG. 8 is a diagram illustrating a distortion field of an optical imaging lens according to a third embodiment of the present invention;
FIG. 9 is a graph showing spherical aberration curves of an optical imaging lens according to a third embodiment of the present invention;
fig. 10 is a schematic diagram of an optical imaging lens according to a fourth embodiment of the present invention;
FIG. 11 is a diagram showing a distortion field of an optical imaging lens according to a fourth embodiment of the present invention;
FIG. 12 is a graph showing spherical aberration curves of an optical imaging lens according to a fourth embodiment of the present invention;
fig. 13 is a schematic view of an optical imaging lens according to a fifth embodiment of the present invention;
FIG. 14 is a diagram showing a distortion field of an optical imaging lens according to a fifth embodiment of the present invention;
FIG. 15 is a graph showing spherical aberration curves of an optical imaging lens according to a fifth embodiment of the present invention;
fig. 16 is a schematic view of an optical imaging lens according to a sixth embodiment of the present invention;
FIG. 17 is a diagram showing a distortion field of an optical imaging lens according to a sixth embodiment of the present invention;
FIG. 18 is a graph showing spherical aberration curves of an optical imaging lens according to a sixth embodiment of the present invention;
fig. 19 is a schematic view of an optical imaging lens according to a seventh embodiment of the present invention;
FIG. 20 is a diagram showing a distortion field of an optical imaging lens according to a seventh embodiment of the present invention;
FIG. 21 is a graph showing spherical aberration curves of an optical imaging lens according to a seventh embodiment of the present invention;
fig. 22 is a schematic diagram of an optical imaging lens according to an eighth embodiment of the present invention;
FIG. 23 is a diagram showing a distortion field of an optical imaging lens according to an eighth embodiment of the present invention;
fig. 24 is a graph showing spherical aberration of an optical imaging lens according to an eighth embodiment of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
The embodiment of the invention provides an optical imaging lens, which comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens which are sequentially arranged from an object side to an image side along an optical axis;
the first lens element with negative refractive power has a concave image-side surface;
the second lens element with refractive power has a convex object-side surface and a convex image-side surface;
the third lens element with refractive power has a concave object-side surface;
The fourth lens element with refractive power;
the fifth lens element with refractive power;
the sixth lens element with refractive power has a convex object-side surface at a paraxial region and a concave image-side surface at a paraxial region, wherein the object-side surface comprises at least one inflection point and the image-side surface comprises at least one inflection point;
and satisfies the following conditions:
0.6＜f 25 /f＜1.4；
4＜CT 25 /AG 25 ＜10；
wherein f represents the focal length of the optical imaging lens, f 25 Representing the combined focal length of the second lens to the fifth lens, CT 25 Representing the second lens to the lens holderSum of thicknesses of the fifth lens element and AG 25 Representing the sum of the air intervals on the optical axis between each adjacent lens of the second lens to the fifth lens.
In the optical imaging lens of the present embodiment, the object-side light is imaged onto the imaging surface located on the image side of the sixth lens element via the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element and the sixth lens element in this order. Wherein, each lens adopts reasonable surface shape structure and refractive power collocation, so that the whole lens group has better light converging capability. The first lens element with negative refractive power has a larger field angle, and can achieve wide-angle imaging.
Further, the refractive power of the optical lens group is reasonably distributed by adjusting the ratio of the combined focal length of the intermediate lens group to the focal length of the whole optical lens group; meanwhile, the overall structure of the middle lens group is compact by adjusting the ratio of the lens thickness of the middle lens group to the air interval between the lenses, so that the total length of the optical lens group is shortened, and the light weight and the miniaturization are achieved. Therefore, compared with the prior art, the optical imaging lens of the embodiment can shorten the total length of the lens group and achieve light weight, thinness and miniaturization while meeting the imaging of a large field angle.
In one embodiment, the object side surface of the fourth lens element in the optical imaging lens assembly is convex, and the image side surface is convex. Therefore, after the light entering from the object passes through the first three lenses, the light can be better converged through the fourth lens, and the refractive power is reasonably distributed.
Further specifically, the present optical imaging lens further satisfies the following conditions: yin is 2 < 4 /CT 4 < 3, wherein Yin 4 Representing the smallest optical effective diameter of the fourth lens, CT 4 Representing the thickness of the fourth lens on the optical axis. The surface shape structure of the fourth lens is reasonably configured, so that the actual production and molding are facilitated.
Preferably, the optical imaging lens of the present embodiment further satisfies the following condition: CT is 1.2 < 2 /CT 3 < 2.5, wherein CT 2 Representing the saidThickness of second lens on optical axis, CT 3 Representing the thickness of the third lens on the optical axis. By optimally configuring the thicknesses of the second lens and the third lens at the middle part of the lens group, the total length of the optical lens group can be shortened, and the lens forming and the yield stabilization can be facilitated.
Preferably, the optical imaging lens of the present embodiment further satisfies the following condition: r is more than 2 11 /R 12 < 10, wherein R 11 Representing the radius of curvature of the object-side surface of the first lens, R 12 Representing the radius of curvature of the first lens-side surface. By reasonably and optimally configuring the curvatures of the surfaces of the first lens, the optical imaging lens is beneficial to enlarging the angle of view.
The optical imaging lens of the present embodiment also satisfies the following conditions: i f 3 |＞|f i I, where i=1, 2, 4, 5, 6,f i Represents the focal length of the ith lens, f 3 Representing the focal length of the third lens. So as to reasonably distribute the refractive power of the optical system.
The following conditions are further satisfied: i f 6 |＞|f j I, where j=1, 2, 4, 5, f j Represents the focal length, f, of the j-th lens 6 Representing the focal length of the sixth lens. So as to further reasonably distribute the refractive power of the optical system.
Further, the optical imaging lens also satisfies the following conditions: -4 < f 5 And/f < -0.5, wherein f 5 Representing the focal length of the fifth lens. The refractive power of the fifth lens element is further adjusted and distributed, so that the overall refractive power of the optical lens assembly tends to be better.
Preferably, the optical imaging lens of the present embodiment further satisfies the following condition:
1.6 < Σct/Σag < 4, wherein Σct represents the sum of thicknesses of the respective lenses of the first lens to the sixth lens on the optical axis, Σag represents the sum of air intervals between the respective adjacent lenses of the first lens to the sixth lens on the optical axis. The proportion of the lens thickness and the air interval between the lenses of the optical imaging lens is reasonably configured, so that the total length of the lens group is shortened, and the overall molding and yield stability of the lens are facilitated.
Specifically, the following conditions are also satisfied: AG is 1.8 < 12 /AG 56 < 3, wherein AG 12 Represents an air gap AG between the first lens and the second lens on the optical axis 56 Representing the air separation on the optical axis between the fifth lens and the sixth lens. For even further proportioning of the air space between the lenses.
The optical imaging lens of the present embodiment also satisfies the following conditions: CA is 1.2 < 61 /CA 11 < 1.8, wherein CA 61 Representing the maximum optical effective diameter of the object side surface of the sixth lens, CA 11 Representing the maximum optical effective diameter of the object-side surface of the first lens. The ratio of the maximum optical effective diameter of the first lens to the maximum optical effective diameter of the last lens is reasonably controlled, so that the image height of the optical imaging lens can be raised.
Preferably, the optical imaging lens of the present embodiment further satisfies the following condition: ET of 1.5 < 5 /CT 5 < 3.5, wherein ET 5 Representing the edge thickness of the fifth lens, CT 5 Representing the thickness of the fifth lens on the optical axis.
Preferably, the optical imaging lens of the present embodiment further satisfies the following condition:
-10＜(R 51 +R 52 )/(R 51 -R 52 ) < 20, wherein R 51 Representing the radius of curvature of the object-side surface of the fifth lens, R 52 Representing the radius of curvature of the fifth lens-side surface. By a reasonable and optimized configuration of the curvatures of the surfaces of the fifth lens, astigmatism, curvature of field, chromatic aberration or spherical aberration of the optical lens group can be further corrected.
Preferably, the optical imaging lens of the present embodiment further satisfies the following condition:
0＜(R 61 +R 62 )/(R 61 -R 62 ) < 40, wherein R 61 Representing the radius of curvature of the object-side surface of the sixth lens, R 62 Representing the radius of curvature of the sixth lens-side surface. By curvature of the surfaces of the sixth lens The optical lens group can be further corrected for astigmatism, field curvature, chromatic aberration or spherical aberration by reasonable and optimized configuration.
The optical imaging lens of the present embodiment also satisfies the following conditions: f is 0.6 < f 26 F is less than 0.8, wherein f 26 Representing a combined focal length of the second lens to the sixth lens. To further rationally distribute the refractive power of each lens.
Preferably, the optical imaging lens of the present embodiment further satisfies the following condition:
0.4＜Yc 61 +Yc 62 < 0.8, wherein Yc 61 Representing the distance, yc, from the point of intersection of the object-side surface of the sixth lens and the optical axis to the point of projection of the object-side surface of the sixth lens on the optical axis 62 And represents the distance from the intersection point of the surface of the side surface of the sixth lens image and the optical axis to the projection point of the surface standing point of the side surface of the sixth lens image on the optical axis. Through the optimal configuration of the surface-shaped structure of the sixth lens, the principal point of the optical imaging lens is far away from the imaging surface, the total length of the lens group is favorably shortened, the light weight and the miniaturization are achieved, and the aberration of the off-axis visual field can be effectively corrected.
The optical imaging lens of the present invention will be described in detail with reference to specific examples.
First embodiment
Fig. 1 is a schematic diagram of an optical imaging lens according to a first embodiment of the present invention. As can be seen from the figure, the optical imaging lens includes a first lens 11, a second lens 12, a third lens 13, a fourth lens 14, a fifth lens 15, and a sixth lens 16, which are sequentially arranged from an object side to an image side along an optical axis;
The first lens element 11 with negative refractive power has a concave image-side surface;
the second lens element 12 with refractive power has a convex object-side surface and a convex image-side surface;
the third lens element 13 with refractive power has a concave object-side surface;
the fourth lens element 14 with refractive power;
the fifth lens 15 has refractive power;
the sixth lens element 16 with refractive power has a convex object-side surface at a paraxial region and a concave image-side surface at a paraxial region, and has at least one inflection point in its object-side surface and at least one inflection point in its image-side surface.
The values of the conditional expressions in this embodiment are as follows:
in the optical imaging lens of the embodiment, an aperture stop 10 is arranged between the first lens 11 and the second lens 12, an infrared filter 17 is arranged between the sixth lens 16 and the imaging surface, and infrared band light entering the optical lens is filtered through the infrared filter 17, so that noise generated when infrared light irradiates on a photosensitive chip is avoided. The optional filter material is glass and does not affect the focal length.
The structural parameters of each lens of the optical imaging lens of this embodiment are shown in table 1-1, and the focal length f=1.486 mm, the aperture value fno=2.54, and the half field angle hfov=62.7 degrees. In the table, the unit of the radius of curvature, the thickness and the focal length is mm, and surfaces 0 to 16 represent surfaces from an object side to an image side in order, wherein surfaces 1 to 13 represent a first lens object side surface, a first lens image side surface, an aperture, a second lens object side surface, a second lens image side surface, a third lens object side surface, a third lens image side surface, a fourth lens object side surface, a fourth lens image side surface, a fifth lens object side surface, a fifth lens image side surface, a sixth lens object side surface and a sixth lens image side surface in order. In the following table, in the thickness list, the numerical value in the first column corresponding to the same lens is the center thickness of the lens, and the numerical value in the second column is the air interval between the lens and the next optical element; the value in a column corresponding to the aperture is the air interval between the aperture and the next lens; the first column of values corresponding to the infrared filter is the thickness of the infrared filter, and the second column of values is the air interval between the infrared filter and the imaging surface.
TABLE 1-1
In the optical imaging lens, each lens adopts an aspheric design, and an aspheric curve equation is expressed as follows:
wherein z represents a relative distance between a point on the aspherical surface, which is located at a distance r from the optical axis, and a tangential plane to an apex on the aspherical surface, c represents a radius of curvature, r represents a distance between the point on the aspherical surface and the optical axis, k represents a cone coefficient, and Ai represents an i-th order aspherical coefficient.
The aspherical coefficients of the lenses of this example are shown in tables 1 to 2, and A4 to a16 represent the 4 th-16 th order aspherical coefficients of the lens surfaces, respectively.
TABLE 1-2
The distortion field curve and the spherical aberration curve of the optical lens design of this embodiment are shown in fig. 2 and 3, respectively, wherein the distortion field curve test wavelength is 0.555 μm, and the spherical aberration curve test wavelengths are 0.470 μm, 0.510 μm, 0.555 μm, 0.610 μm and 0.650 μm. The design wavelength in the test chart in each of the following embodiments is the same as that in this embodiment.
Second embodiment
Fig. 4 is a schematic diagram of an optical imaging lens according to a second embodiment of the present invention. As can be seen from the figure, the optical imaging lens includes a first lens 21, a second lens 22, a third lens 23, a fourth lens 24, a fifth lens 25, and a sixth lens 26, which are sequentially arranged from the object side to the image side along the optical axis;
The first lens element 21 with negative refractive power has a concave image-side surface;
the second lens element 22 with refractive power has a convex object-side surface and a convex image-side surface;
the third lens element 23 with refractive power has a concave object-side surface;
the fourth lens element 24 with refractive power;
the fifth lens element 25 with refractive power;
the sixth lens element 26 with refractive power has a convex object-side surface at a paraxial region and a concave image-side surface at a paraxial region, and has at least one inflection point in its object-side surface and at least one inflection point in its image-side surface.
The values of the conditional expressions in this embodiment are as follows:
in the optical imaging lens of the embodiment, the aperture 20 is arranged between the first lens 21 and the second lens 22, the infrared filter 27 is arranged between the sixth lens 26 and the imaging surface, and infrared band light entering the optical lens is filtered through the infrared filter 27, so that noise generated when infrared light irradiates the photosensitive chip is avoided. The optional filter material is glass and does not affect the focal length.
The structural parameters of each lens of the optical imaging lens of this embodiment are shown in table 2-1, and the focal length f= 1.779mm, the aperture value fno=2.52, and the half field angle hfov=62.7 degrees. In the table, the unit of curvature radius, thickness and focal length is mm, and surfaces 0 to 16 represent surfaces from the object side to the image side in order. In the following table, in the thickness list, the numerical value in the first column corresponding to the same lens is the center thickness of the lens, and the numerical value in the second column is the air interval between the lens and the next optical element; the value in a column corresponding to the aperture is the air interval between the aperture and the next lens; the first column of values corresponding to the infrared filter is the thickness of the infrared filter, and the second column of values is the air interval between the infrared filter and the imaging surface.
TABLE 2-1
The aspherical coefficients of the lenses of this example are shown in tables 2-2, and A4-a16 represent the 4 th-16 th order aspherical coefficients of the lens surfaces, respectively.
TABLE 2-2
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The distortion field curve and the spherical aberration curve of the optical lens design of this example are shown in fig. 5 and 6, respectively, wherein the distortion field curve test wavelength is 0.555 μm, and the spherical aberration curve test wavelengths are 0.470 μm, 0.510 μm, 0.555 μm, 0.610 μm and 0.650 μm.
Third embodiment
Fig. 7 is a schematic diagram of an optical imaging lens according to a third embodiment of the present invention. As can be seen from the figure, the optical imaging lens includes a first lens 31, a second lens 32, a third lens 33, a fourth lens 34, a fifth lens 35, and a sixth lens 36, which are sequentially arranged from the object side to the image side along the optical axis;
the first lens element 31 with negative refractive power has a concave image-side surface;
the second lens element 32 with refractive power has a convex object-side surface and a convex image-side surface;
the third lens element 33 with refractive power has a concave object-side surface;
the fourth lens 34 has refractive power;
the fifth lens element 35 with refractive power;
the sixth lens element 36 with refractive power has a convex object-side surface at a paraxial region and a concave image-side surface at a paraxial region, and has at least one inflection point in its object-side surface and at least one inflection point in its image-side surface.
The values of the conditional expressions in this embodiment are as follows:
in the optical imaging lens of the embodiment, the aperture 30 is arranged between the first lens 31 and the second lens 32, the infrared filter 37 is arranged between the sixth lens 36 and the imaging surface, and infrared band light entering the optical lens is filtered through the infrared filter 37, so that noise generated when infrared light irradiates the photosensitive chip is avoided. The optional filter material is glass and does not affect the focal length.
The structural parameters of each lens of the optical imaging lens of this embodiment are shown in table 3-1, and the focal length f= 1.832mm, the aperture value fno=2.51, and the half field angle hfov=62.7 degrees. In the table, the unit of curvature radius, thickness and focal length is mm, and surfaces 0 to 16 represent surfaces from the object side to the image side in order. In the following table, in the thickness list, the numerical value in the first column corresponding to the same lens is the center thickness of the lens, and the numerical value in the second column is the air interval between the lens and the next optical element; the value in a column corresponding to the aperture is the air interval between the aperture and the next lens; the first column of values corresponding to the infrared filter is the thickness of the infrared filter, and the second column of values is the air interval between the infrared filter and the imaging surface.
TABLE 3-1
The aspherical coefficients of the lenses of this example are shown in Table 3-2, and A4-A16 represent the 4 th-16 th order aspherical coefficients of the lens surfaces, respectively.
TABLE 3-2
The distortion field curve and the spherical aberration curve of the optical lens design of this example are shown in fig. 8 and 9, respectively, wherein the distortion field curve test wavelength is 0.555 μm, and the spherical aberration curve test wavelengths are 0.470 μm, 0.510 μm, 0.555 μm, 0.610 μm and 0.650 μm.
Fourth embodiment
Fig. 10 is a schematic diagram of an optical imaging lens according to a fourth embodiment of the present invention. As can be seen from the figure, the optical imaging lens includes a first lens 41, a second lens 42, a third lens 43, a fourth lens 44, a fifth lens 45, and a sixth lens 46, which are sequentially arranged from the object side to the image side along the optical axis;
the first lens element 41 with negative refractive power has a concave image-side surface;
the second lens element 42 with refractive power has a convex object-side surface and a convex image-side surface;
the third lens element 43 with refractive power has a concave object-side surface;
the fourth lens element 44 with refractive power;
the fifth lens element 45 with refractive power;
the sixth lens element 46 with refractive power has a convex object-side surface at a paraxial region and a concave image-side surface at a paraxial region, and has at least one inflection point in its object-side surface and at least one inflection point in its image-side surface.
The values of the conditional expressions in this embodiment are as follows:
/>
in the optical imaging lens of the embodiment, an aperture 40 is arranged between a first lens 41 and a second lens 42, an infrared filter 47 is arranged between a sixth lens 46 and an imaging surface, and infrared band light entering the optical lens is filtered through the infrared filter 47, so that noise generated when infrared light irradiates a photosensitive chip is avoided. The optional filter material is glass and does not affect the focal length.
The structural parameters of each lens of the optical imaging lens of this embodiment are shown in table 4-1, and the focal length f=1.582 mm, the aperture value fno=2.54, and the half field angle hfov=62.7 degrees. In the table, the unit of curvature radius, thickness and focal length is mm, and surfaces 0 to 16 represent surfaces from the object side to the image side in order. In the following table, in the thickness list, the numerical value in the first column corresponding to the same lens is the center thickness of the lens, and the numerical value in the second column is the air interval between the lens and the next optical element; the value in a column corresponding to the aperture is the air interval between the aperture and the next lens; the first column of values corresponding to the infrared filter is the thickness of the infrared filter, and the second column of values is the air interval between the infrared filter and the imaging surface.
TABLE 4-1
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The aspherical coefficients of the lenses of this example are shown in Table 4-2, and A4-A16 represent the 4 th-16 th order aspherical coefficients of the lens surfaces, respectively.
TABLE 4-2
/>
The distortion field curve and the spherical aberration curve of the optical lens design of this example are shown in fig. 11 and 12, respectively, wherein the distortion field curve test wavelength is 0.555 μm, and the spherical aberration curve test wavelengths are 0.470 μm, 0.510 μm, 0.555 μm, 0.610 μm, and 0.650 μm.
Fifth embodiment
Fig. 13 is a schematic diagram of an optical imaging lens according to a fifth embodiment of the present invention. As can be seen from the figure, the optical imaging lens includes a first lens 51, a second lens 52, a third lens 53, a fourth lens 54, a fifth lens 55, and a sixth lens 56, which are sequentially arranged from the object side to the image side along the optical axis;
the first lens element 51 with negative refractive power has a concave image-side surface;
the second lens element 52 with refractive power has a convex object-side surface and a convex image-side surface;
the third lens element 53 with refractive power has a concave object-side surface;
the fourth lens element 54 with refractive power;
the fifth lens element 55 with refractive power;
the sixth lens element 56 with refractive power has a convex object-side surface at a paraxial region and a concave image-side surface at a paraxial region, and has at least one inflection point in its object-side surface and at least one inflection point in its image-side surface.
The values of the conditional expressions in this embodiment are as follows:
in the optical imaging lens of the embodiment, the aperture 50 is arranged between the first lens 51 and the second lens 52, the infrared filter 57 is arranged between the sixth lens 56 and the imaging surface, and infrared band light entering the optical lens is filtered by the infrared filter 57, so that noise generated when infrared light irradiates the photosensitive chip is avoided. The optional filter material is glass and does not affect the focal length.
The structural parameters of each lens of the optical imaging lens of this embodiment are shown in table 5-1, and the focal length f= 1.406mm, the aperture value fno= 2.527, and the half field angle hfov=62.7 degrees. In the table, the unit of curvature radius, thickness and focal length is mm, and surfaces 0 to 16 represent surfaces from the object side to the image side in order. In the following table, in the thickness list, the numerical value in the first column corresponding to the same lens is the center thickness of the lens, and the numerical value in the second column is the air interval between the lens and the next optical element; the value in a column corresponding to the aperture is the air interval between the aperture and the next lens; the first column of values corresponding to the infrared filter is the thickness of the infrared filter, and the second column of values is the air interval between the infrared filter and the imaging surface.
TABLE 5-1
The aspherical coefficients of the lenses of this example are shown in Table 5-2, and A4-A16 represent the 4 th-16 th order aspherical coefficients of the lens surfaces, respectively.
TABLE 5-2
The distortion field curve and the spherical aberration curve of the optical lens design of this example are shown in fig. 14 and 15, respectively, wherein the distortion field curve test wavelength is 0.555 μm, and the spherical aberration curve test wavelengths are 0.470 μm, 0.510 μm, 0.555 μm, 0.610 μm, and 0.650 μm.
Sixth embodiment
Fig. 16 is a schematic diagram of an optical imaging lens according to a sixth embodiment of the present invention. As can be seen from the figure, the optical imaging lens includes a first lens 61, a second lens 62, a third lens 63, a fourth lens 64, a fifth lens 65, and a sixth lens 66, which are sequentially arranged from the object side to the image side along the optical axis;
the first lens element 61 with negative refractive power has a concave image-side surface;
the second lens element 62 with refractive power has a convex object-side surface and a convex image-side surface;
the third lens element 63 with refractive power has a concave object-side surface;
the fourth lens element 64 with refractive power;
the fifth lens element 65 with refractive power;
the sixth lens element 66 with refractive power has a convex object-side surface at a paraxial region and a concave image-side surface at a paraxial region, and has at least one inflection point in its object-side surface and at least one inflection point in its image-side surface.
The values of the conditional expressions in this embodiment are as follows:
in the optical imaging lens of the embodiment, the aperture 60 is arranged between the first lens 61 and the second lens 62, the infrared filter 67 is arranged between the sixth lens 66 and the imaging surface, and infrared band light entering the optical lens is filtered through the infrared filter 67, so that noise generated when infrared light irradiates the photosensitive chip is avoided. The optional filter material is glass and does not affect the focal length.
The structural parameters of each lens of the optical imaging lens of this embodiment are shown in table 6-1, and the focal length f= 1.793mm, the aperture value fno=2.43, and the half field angle hfov=62.7 degrees. In the table, the unit of curvature radius, thickness and focal length is mm, and surfaces 0 to 16 represent surfaces from the object side to the image side in order. In the following table, in the thickness list, the numerical value in the first column corresponding to the same lens is the center thickness of the lens, and the numerical value in the second column is the air interval between the lens and the next optical element; the value in a column corresponding to the aperture is the air interval between the aperture and the next lens; the first column of values corresponding to the infrared filter is the thickness of the infrared filter, and the second column of values is the air interval between the infrared filter and the imaging surface.
TABLE 6-1
/>
The aspherical coefficients of the lenses of this example are shown in Table 6-2, and A4-A16 represent the 4 th-16 th order aspherical coefficients of the lens surfaces, respectively.
TABLE 6-2
/>
The distortion field curves and the spherical aberration curves of the optical lens design of this example are shown in fig. 17 and 18, respectively, wherein the distortion field curves have test wavelengths of 0.555 μm and the spherical aberration curves have test wavelengths of 0.470 μm, 0.510 μm, 0.555 μm, 0.610 μm and 0.650 μm.
Seventh embodiment
Fig. 19 is a schematic diagram of an optical imaging lens according to a seventh embodiment of the invention. As can be seen from the figure, the optical imaging lens includes a first lens 71, a second lens 72, a third lens 73, a fourth lens 74, a fifth lens 75, and a sixth lens 76, which are sequentially arranged from the object side to the image side along the optical axis;
the first lens element 71 with negative refractive power has a concave image-side surface;
the second lens element 72 with refractive power has a convex object-side surface and a convex image-side surface;
the third lens element 73 with refractive power has a concave object-side surface;
the fourth lens element 74 with refractive power;
the fifth lens element 75 with refractive power;
the sixth lens element 76 with refractive power has a convex object-side surface at a paraxial region and a concave image-side surface at a paraxial region, and has at least one inflection point in its object-side surface and at least one inflection point in its image-side surface.
The values of the conditional expressions in this embodiment are as follows:
in the optical imaging lens of the embodiment, an aperture 70 is arranged between a first lens 71 and a second lens 72, an infrared filter 77 is arranged between a sixth lens 76 and an imaging surface, and infrared band light entering the optical lens is filtered through the infrared filter 77, so that noise generated when infrared light irradiates a photosensitive chip is avoided. The optional filter material is glass and does not affect the focal length.
The structural parameters of each lens of the optical imaging lens of this embodiment are shown in table 7-1, and the focal length f= 1.147mm, the aperture value fno=2.58, and the half field angle hfov=64.5 degrees. In the table, the unit of curvature radius, thickness and focal length is mm, and surfaces 0 to 16 represent surfaces from the object side to the image side in order. In the following table, in the thickness list, the numerical value in the first column corresponding to the same lens is the center thickness of the lens, and the numerical value in the second column is the air interval between the lens and the next optical element; the value in a column corresponding to the aperture is the air interval between the aperture and the next lens; the first column of values corresponding to the infrared filter is the thickness of the infrared filter, and the second column of values is the air interval between the infrared filter and the imaging surface.
TABLE 7-1
/>
The aspherical coefficients of the lenses of this example are shown in Table 7-2, and A4-A16 represent the 4 th-16 th order aspherical coefficients of the lens surfaces, respectively.
TABLE 7-2
/>
The distortion field curve and the spherical aberration curve of the optical lens design of this example are shown in fig. 20 and 21, respectively, wherein the distortion field curve test wavelength is 0.555 μm, and the spherical aberration curve test wavelengths are 0.470 μm, 0.510 μm, 0.555 μm, 0.610 μm, and 0.650 μm.
Eighth embodiment
Fig. 22 is a schematic diagram of an optical imaging lens according to an eighth embodiment of the invention. As can be seen from the figure, the optical imaging lens includes a first lens 81, a second lens 82, a third lens 83, a fourth lens 84, a fifth lens 85, and a sixth lens 86, which are sequentially arranged from the object side to the image side along the optical axis;
the first lens element 81 with negative refractive power has a concave image-side surface;
the second lens element 82 with refractive power has a convex object-side surface and a convex image-side surface;
the third lens element 83 with refractive power has a concave object-side surface;
the fourth lens element 84 with refractive power;
the fifth lens element 85 with refractive power;
the sixth lens element 86 with refractive power has a convex object-side surface at a paraxial region and a concave image-side surface at a paraxial region, and has at least one inflection point in its object-side surface and at least one inflection point in its image-side surface.
The values of the conditional expressions in this embodiment are as follows:
in the optical imaging lens of the embodiment, the aperture 80 is arranged between the first lens 81 and the second lens 82, the infrared filter 87 is arranged between the sixth lens 86 and the imaging surface, and infrared band light entering the optical lens is filtered through the infrared filter 87, so that noise generated when infrared light irradiates the photosensitive chip is avoided. The optional filter material is glass and does not affect the focal length.
The structural parameters of each lens of the optical imaging lens of this embodiment are shown in table 8-1, and the focal length f=1.828 mm, the aperture value fno=2.52, and the half field angle hfov=62.7 degrees. In the table, the unit of curvature radius, thickness and focal length is mm, and surfaces 0 to 16 represent surfaces from the object side to the image side in order. In the following table, in the thickness list, the numerical value in the first column corresponding to the same lens is the center thickness of the lens, and the numerical value in the second column is the air interval between the lens and the next optical element; the value in a column corresponding to the aperture is the air interval between the aperture and the next lens; the first column of values corresponding to the infrared filter is the thickness of the infrared filter, and the second column of values is the air interval between the infrared filter and the imaging surface.
TABLE 8-1
/>
The aspherical coefficients of the lenses of this example are shown in Table 8-2, and A4-A16 represent the 4 th-16 th order aspherical coefficients of the lens surfaces, respectively.
TABLE 8-2
/>
The distortion field curve and the spherical aberration curve of the optical lens design of this example are shown in fig. 23 and 24, respectively, wherein the distortion field curve test wavelength is 0.555 μm, and the spherical aberration curve test wavelengths are 0.470 μm, 0.510 μm, 0.555 μm, 0.610 μm, and 0.650 μm.
According to the optical imaging lens provided by the embodiments of the invention, each lens adopts a reasonable surface-shaped structure and refractive power matching, so that the whole lens group has better light converging capability, can meet high pixel requirements, has the characteristic of large field angle, effectively reduces the total length of the lens group, and achieves light and thin effect.
The optical imaging lens has the advantages of a large aperture, the large aperture ensures sufficient light entering quantity, the sensitivity can be effectively improved, and the better imaging quality is ensured.
In addition, the structure of six aspheric lenses is adopted, the proper surface shape is adopted, the aspheric coefficients of higher orders are expanded, various aberrations such as field curvature, astigmatism, chromatic aberration of magnification and the like are effectively corrected, meanwhile, the lens has better thickness ratio, better sensitivity, the process yield is improved, and the production cost is reduced.
The plastic material is adopted, and the plastic material has the characteristic of precise mould pressing, so that mass production is realized, the processing cost of the optical element can be greatly reduced, the cost of the optical system is greatly reduced, and the large-scale popularization is facilitated.
Correspondingly, the embodiment of the invention also provides an image pickup module which comprises an electronic photosensitive element and the optical imaging lens, wherein the electronic photosensitive element is arranged on an imaging surface of the optical imaging lens. The optical imaging lens is adopted by the camera shooting module, so that the total length of the lens group can be shortened while the imaging of a large field angle is met, and the light, thin and miniaturized imaging lens is achieved.
The optical imaging lens and the camera module provided by the invention are described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (16)
1. An optical imaging lens comprising a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens which are sequentially arranged from an object side to an image side along an optical axis, wherein the number of lenses with refractive power is six;
the first lens element with negative refractive power has a concave image-side surface;
the second lens element with positive refractive power has a convex object-side surface and a convex image-side surface;
the third lens element with refractive power has a concave object-side surface;
the fourth lens element with positive refractive power;
the fifth lens element with negative refractive power;
the sixth lens element with refractive power has a convex object-side surface at a paraxial region and a concave image-side surface at a paraxial region, wherein the object-side surface comprises at least one inflection point and the image-side surface comprises at least one inflection point;
and satisfies the following conditions:
0.6＜f 25 /f＜1.4；
4＜CT 25 /AG 25 ＜10；
0.4mm＜Yc 61 +Yc 62 ＜0.8mm；
wherein f represents the focal length of the optical imaging lens, f 25 Representing the combined focal length of the second lens to the fifth lens, CT 25 Representing the sum of thicknesses of the second lens to the fifth lens on the optical axis, AG 25 Representing the sum, yc, of the air spaces on the optical axis between each adjacent lens of the second lens to the fifth lens 61 Representing the distance, yc, from the point of intersection of the object-side surface of the sixth lens and the optical axis to the point of projection of the object-side surface of the sixth lens on the optical axis 62 And represents the distance from the intersection point of the surface of the side surface of the sixth lens image and the optical axis to the projection point of the surface standing point of the side surface of the sixth lens image on the optical axis.
2. The optical imaging lens as claimed in claim 1, wherein an object-side surface of the fourth lens element is convex, and an image-side surface is convex.
3. The optical imaging lens of claim 2, wherein the following condition is also satisfied: yin is 2 < 4 /CT 4 < 3, wherein Yin 4 Representing the smallest optical effective diameter of the fourth lens, CT 4 Representing the thickness of the fourth lens on the optical axis.
4. The optical imaging lens of claim 1, wherein the following condition is also satisfied: CT is 1.2 < 2 /CT 3 < 2.5, wherein CT 2 Representing the thickness of the second lens on the optical axis, CT 3 Representing the thickness of the third lens on the optical axis.
5. The optical imaging lens of claim 1, wherein the following condition is also satisfied: r is more than 2 11 /R 12 < 10, wherein R 11 Representing the radius of curvature of the object-side surface of the first lens, R 12 Representing the radius of curvature of the first lens-side surface.
6. The optical imaging lens of claim 1, wherein the following condition is also satisfied: i f 3 |＞|f i I, where i=1, 2, 4, 5, 6,f i Represents the focal length of the ith lens, f 3 Representing the focal length of the third lens.
7. The optical imaging lens of claim 6, further satisfying the following condition: i f 6 |＞|f j I, where j=1, 2, 4, 5, f j Represents the focal length, f, of the j-th lens 6 Representing the focal length of the sixth lens.
8. The optical imaging lens of claim 6, further satisfying the following condition: -4 < f 5 And/f < -0.5, wherein f 5 Representation ofA focal length of the fifth lens.
9. The optical imaging lens of claim 1, wherein the following condition is also satisfied: 1.6 < Σct/Σag < 4, wherein Σct represents the sum of thicknesses of the respective lenses of the first lens to the sixth lens on the optical axis, Σag represents the sum of air intervals between the respective adjacent lenses of the first lens to the sixth lens on the optical axis.
10. The optical imaging lens of claim 9, further satisfying the following condition: AG is 1.8 < 12 /AG 56 < 3, wherein AG 12 Represents an air gap AG between the first lens and the second lens on the optical axis 56 Representing the air separation on the optical axis between the fifth lens and the sixth lens.
11. The optical imaging lens of claim 1, wherein the following condition is also satisfied: CA is 1.2 < 61 /CA 11 < 1.8, wherein CA 61 Representing the maximum optical effective diameter of the object side surface of the sixth lens, CA 11 Representing the maximum optical effective diameter of the object-side surface of the first lens.
12. The optical imaging lens of claim 1, wherein the following condition is also satisfied: ET of 1.5 < 5 /CT 5 < 3.5, wherein ET 5 Representing the edge thickness of the fifth lens, CT 5 Representing the thickness of the fifth lens on the optical axis.
13. The optical imaging lens of claim 1, wherein the following condition is also satisfied: -10 < (R) 51 +R 52 )/(R 51 -R 52 ) < 20, wherein R 51 Representing the radius of curvature of the object-side surface of the fifth lens, R 52 Representing the radius of curvature of the fifth lens-side surface.
14. The optical imaging lens of claim 1, wherein the following condition is also satisfied: 0 < (R) 61 +R 62 )/(R 61 -R 62 ) < 40, wherein R 61 Representing the radius of curvature of the object-side surface of the sixth lens, R 62 Representing the radius of curvature of the sixth lens-side surface.
15. The optical imaging lens of claim 1, wherein the following condition is also satisfied: f is 0.6 < f 26 F is less than 0.8, wherein f 26 Representing a combined focal length of the second lens to the sixth lens.
16. An imaging module comprising an electronic photosensitive element and the optical imaging lens of any one of claims 1-15, wherein the electronic photosensitive element is disposed on an imaging surface of the optical imaging lens.
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| CN108459401B (en) * | 2018-03-30 | 2020-02-21 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
| TWI663442B (en) * | 2018-08-15 | 2019-06-21 | 大立光電股份有限公司 | Photographing optical lens assembly, imaging apparatus and electronic device |
| WO2020154944A1 (en) * | 2019-01-30 | 2020-08-06 | 深圳市大疆创新科技有限公司 | Imaging lens, imaging apparatus and electronic device |
| CN111221111B (en) * | 2020-03-19 | 2022-03-22 | 惠州市星聚宇光学有限公司 | Infrared lens |
| CN116203707B (en) * | 2023-01-28 | 2023-10-20 | 湖北华鑫光电有限公司 | 6p small mounting hole lens |
| CN117148543A (en) * | 2023-08-18 | 2023-12-01 | 湖北华鑫光电有限公司 | 6P lens |
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| CN106997084A (en) * | 2016-01-22 | 2017-08-01 | 大立光电股份有限公司 | Optical lenses for image formation group, image-taking device and electronic installation |
| CN207586517U (en) * | 2017-12-07 | 2018-07-06 | 广东旭业光电科技股份有限公司 | Optical imaging lens and camera module |
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| CN106997084A (en) * | 2016-01-22 | 2017-08-01 | 大立光电股份有限公司 | Optical lenses for image formation group, image-taking device and electronic installation |
| CN207586517U (en) * | 2017-12-07 | 2018-07-06 | 广东旭业光电科技股份有限公司 | Optical imaging lens and camera module |
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