CN103955047A - Shooting lens and module thereof, and terminal - Google Patents
Shooting lens and module thereof, and terminal Download PDFInfo
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- CN103955047A CN103955047A CN201410109113.5A CN201410109113A CN103955047A CN 103955047 A CN103955047 A CN 103955047A CN 201410109113 A CN201410109113 A CN 201410109113A CN 103955047 A CN103955047 A CN 103955047A
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Abstract
The invention provides a shooting lens and a module thereof, and a terminal. The lens successively comprises from an object side to an image side: a first lens with positive focal power, a second lens with negative focal power, a third lens with negative focal power, a fourth lens with focal power, a fifth lens with positive focal power, a sixth lens with focal power, wherein object side surface of the second lens is a convex surface, the image side surface of the fifth lens is a convex surface, and the part, which is near to an axis, of the image side surface of the sixth lens is a recessed surface. The shooting lens satisfies the following: 5.5<f1.2.3/Dr1r6<10, wherein the f1.2.3 is the combination focal length of the first lens, the second lens and the third lens, and the Dr1r6 is the interval from the objet side surface of the first lens to the image side surface of the third lens on an optical axis. According to the invention, six plastic aspheric eyeglasses are employed, through different focal power distribution, it is ensured that under large-caliber configuration, the volume of the lens is effectively shortened, the influences of image differences are reduced, and the imaging quality of the lens is improved.
Description
Technical field
The present invention relates to a kind of imaging optical system of camera lens, relate to specifically a kind of imaging lens system being formed by six groups of lens.
Background technology
In recent years, development along with chip technologies such as CCD or CMOS, the Pixel Dimensions of chip is more and more less, to the image quality of the optical system matching, require also more and more higher, make pick-up lens gradually toward high pixel and the development of miniaturization field, in order to meet this trend, for the optical lens carrying on the electronic products such as mobile phone or digital camera, also further require the performances such as high resolving power.
At present, the general slim camera lens of high pixel, many employings five chip lens arrangements are main, as shown in the United States Patent (USP) that the patent No. is " US8411376B2 ", this camera lens forms by having the first lens of positive light coke, second lens with negative power, the 3rd lens with negative power, the 5th lens that have the 4th lens of positive light coke and have a negative power from the object side to the image side successively.This system, in small-bore configuration, has effectively promoted image quality, has maintained the characteristic of miniaturization simultaneously.But growing due to portable type electronic product, has proposed further higher requirement to performances such as the pixel of miniaturization phtographic lens, image quality and resolution.In order to meet high-resolution requirement, need to adopt bigbore configuration, could meet the demand of illumination, and five known slice structures are under bigbore configuration, cannot further shorten system length, meet picture element requirement.
Therefore, in order to realize the requirement of high resolving power and high picture element, the present invention proposes a kind of 6 slice structures, by adopting heavy caliber to meet high-resolution requirement, and thickness or lenticular spacing by the attenuate lens miniaturization that guarantees camera lens, meanwhile, the invention allows for a kind of camera module with above-mentioned camera lens and there is the portable terminal of this camera module, thereby obtaining the photographs of high picture element.
Summary of the invention
According to the problems referred to above, the present invention proposes a kind of applicable to portable type electronic product, there is heavy caliber, high pixel, image quality is good and the optical imaging lens systems of miniaturization, and the portable terminal that has proposed to carry the photography module of this lens combination and had this photography module, to obtain high-quality photographs.Its technical scheme is as described below:
A pick-up lens, is extremely comprised as side successively by thing side: the first lens with positive light coke; Second lens with negative power, its thing side is convex surface; The 3rd lens with negative power; The 4th lens with focal power; The 5th lens with positive light coke, it is convex surface as side; The 6th lens with focal power, it is concave surface as side at paraxial place; Described camera lens meets:
5.5<f1.2.3/Dr1r6<10
Wherein, f1.2.3 is the combined focal length of first lens, the second lens and the 3rd lens; Dr1r6 is the spacing on optical axis as side surface of thing side surface to the three lens of first lens.
Further, described camera lens meets:
0.25<T3.5/TTL<0.5
Wherein, T3.5 is the thing side surface of picture side surface to the five lens of the 3rd lens spacing on optical axis; TTL is the overall length of whole lens combination.
Further, described camera lens meets:
-5.0<SAG61/CT6<-2.5
Wherein, the SAG61 horizontal shift distance on optical axis that is the thing side surface of the 6th lens and the intersection point of optical axis to the maximum effective diameter position on this surface; CT6 is the center thicknesses of the 6th lens on optical axis.
The first lens thing side of described camera lens is convex surface; The 3rd lens are concave surface as side; The 4th lens are convex surface as side.
The 5th lens of described camera lens are positive light coke at paraxial place, along with transferring negative power to towards periphery; The 6th lens perimeter is positive light coke.
It is aspheric surface that described camera lens has a face at least.
Between object and first lens, be provided with diaphragm.
Further, the eyeglass of described camera lens is plastic aspherical element eyeglass.
Pick-up lens of the present invention, the combined focal length of this first lens, the second lens and the 3rd lens is being for just, and first lens thing side is convex surface, and the 3rd lens are concave surface as side, the system length of camera lens can be effectively shortened in this kind of face type combination, guarantees the miniaturization of camera lens; Further, this first lens is that positive light coke, the second lens are the distribution that negative power and the 3rd lens are negative power, is conducive to reduce the aberration effects of lens combination, improves the image quality of camera lens.The 5th lens with positive light coke, and the 5th lens is convex surface as side, focal length that can active balance lens combination distributes, and the off-axis aberration of update the system promotes the image quality of camera lens.
The 4th lens of described pick-up lens are convex surface as side, can effectively converge light, compress the effective radius of camera lens, reduce the volume of pick-up lens, guarantee the miniaturization of system.
The 5th lens perimeter of described pick-up lens is negative power, and the 6th lens perimeter is positive light coke, and this focal power is distributed the image planes incident angle that can reduce edge chief ray, guarantees light receiving efficiency, improves the imaging capability of system, meets high-resolution requirement.
In pick-up lens of the present invention, having a face at least is aspheric surface, and adopt plastic material, to obtain more control variable, by rational focal power, distribute, be conducive to the correction of aberration, promote the image quality of camera lens, effectively shorten the volume of camera lens, meet the high picture element of portable type electronic product and the demand of miniaturization of being applicable to.
The present invention also comprises a kind of camera module, and this module has the chip that carries out opto-electronic conversion, the more above-mentioned pick-up lens of arranging in pairs or groups, and can access high pixel and high-quality photographs.
The present invention also comprises a kind of portable terminal, carries above-mentioned camera module, can obtain high pixel and high-quality photographs.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of pick-up lens embodiment 1 provided by the invention;
Fig. 2 is chromaticity difference diagram (mm) on the axle of embodiment 1;
Fig. 3 is the astigmatism figure (mm) of embodiment 1;
Fig. 4 is the distortion figure (%) of embodiment 1;
Fig. 5 is the ratio chromatism, figure (μ m) of embodiment 1;
Fig. 6 is the schematic diagram of pick-up lens embodiment 2 provided by the invention;
Fig. 7 is chromaticity difference diagram (mm) on the axle of embodiment 2;
Fig. 8 is the astigmatism figure (mm) of embodiment 2;
Fig. 9 is the distortion figure (%) of embodiment 2;
Figure 10 is the ratio chromatism, figure (μ m) of embodiment 2;
Figure 11 is the schematic diagram of pick-up lens embodiment 3 provided by the invention;
Figure 12 is chromaticity difference diagram (mm) on the axle of embodiment 3;
Figure 13 is the astigmatism figure (mm) of embodiment 3;
Figure 14 is the distortion figure (%) of embodiment 3;
Figure 15 is the ratio chromatism, figure (μ m) of embodiment 3;
Figure 16 is the schematic diagram of pick-up lens embodiment 4 provided by the invention;
Figure 17 is chromaticity difference diagram (mm) on the axle of embodiment 4;
Figure 18 is the astigmatism figure (mm) of embodiment 4;
Figure 19 is the distortion figure (%) of embodiment 4;
Figure 20 is the ratio chromatism, figure (μ m) of embodiment 4;
Figure 21 is the schematic diagram of pick-up lens embodiment 5 provided by the invention;
Figure 22 is chromaticity difference diagram (mm) on the axle of embodiment 5;
Figure 23 is the astigmatism figure (mm) of embodiment 5;
Figure 24 is the distortion figure (%) of embodiment 5;
Figure 25 is the ratio chromatism, figure (μ m) of embodiment 5
Figure 26 is the schematic diagram of pick-up lens embodiment 6 provided by the invention;
Figure 27 is chromaticity difference diagram (mm) on the axle of embodiment 6;
Figure 28 is the astigmatism figure (mm) of embodiment 6;
Figure 29 is the distortion figure (%) of embodiment 6;
Figure 30 is the ratio chromatism, figure (μ m) of embodiment 6;
Figure 31 is the cut-open view of the camera module relevant to pick-up lens of the present invention;
Figure 32 is the profile diagram of the portable terminal relevant to pick-up lens of the present invention.
Embodiment
A kind of pick-up lens provided by the invention, is extremely comprised as side successively by thing side: the first lens with positive light coke; Second lens with negative power, its thing side is convex surface; The 3rd lens with negative power; The 4th lens with focal power; The 5th lens with positive light coke, it is convex surface as side; The 6th lens with focal power, it is concave surface as side at paraxial place; And described camera lens to have a face at least be aspheric surface, between object and first lens, be provided with diaphragm.
Wherein, this pick-up lens meets following relationship:
5.5<f1.2.3/Dr1r6<10
0.25<T3.5/TTL<0.5
-5.0<SAG61/CT6<-2.5
Above-mentioned f1.2.3 is the combined focal length of first lens, the second lens and the 3rd lens; Dr1r6 is the spacing on optical axis as side surface of thing side surface to the three lens of first lens; T3.5 is the thing side surface of picture side surface to the five lens of the 3rd lens spacing on optical axis; TTL is the overall length of whole lens combination; The SAG61 horizontal shift distance on optical axis that is the thing side surface of the 6th lens and the intersection point of optical axis to the maximum effective diameter position on this surface; CT6 is the center thicknesses of the 6th lens on optical axis.
Described pick-up lens meets relational expression 5.5<f1.2.3/Dr1r6<10, can further shorten the system length of camera lens, guarantees the miniaturization of camera lens.When f1.2.3/Dr1r6>10, be unfavorable for the rectification of astigmatism, on the axle of visual field, Qie Huishi center, aberration increases; And when f1.2.3/Dr1r6<5.5, first lens thing side to the three lens are excessive as spacing on the axle of side, be unfavorable for the miniaturization of camera lens.
Described pick-up lens meets relational expression 0.25<T3.5/TTL<0.5, and the spacing between can each lens of active balance, reduces the incident angle of chief ray, thereby reduce the susceptibility of system, is beneficial to the processing and manufacturing of lens.When T3.5/TTL>0.5, can make spacing on the axle of the 3rd lens to the five lens increase, and in order to guarantee the miniaturization of camera lens, will too compress the distance between first lens to the three lens, be unfavorable for the rectification of distortion; And when T3.5/TTL<0.25, due to the impact of chief ray incident angle, can make system sensitivity increase, be unfavorable for the processing and manufacturing of lens.
Each embodiment numerical value that specifically meets above-mentioned conditional is as shown in the table:
| Conditional | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| 5.5<f1.2.3/Dr1r6<10 | 5.930 | 5.650 | 9.487 | 6.549 | 7.681 | 7.005 |
| 0.25<T3.5/TTL<0.5 | 0.334 | 0.281 | 0.309 | 0.340 | 0.443 | 0.346 |
In pick-up lens of the present invention, having a face at least is aspheric surface, and adopt plastic material, to obtain more control variable, by rational focal power, distribute, be conducive to the correction of aberration, promote the image quality of camera lens, effectively shorten the volume of camera lens, meet the high picture element of portable type electronic product and the demand of miniaturization of being applicable to.
With reference to the accompanying drawings foregoing invention is specifically described:
Each embodiment of pick-up lens of the present invention is as described below:
The pick-up lens that the embodiment of the present invention 1 provides, as shown in Figure 1, is followed successively by light hurdle, first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, optical filtering E7 and imaging surface from the object side to the image side.Described first lens E1 has positive light coke, and its thing side is convex surface; Described the second lens E2 has negative power, and its thing side is convex surface; Described the 3rd lens E3 has negative power, and it is concave surface as side; Described the 4th lens E4's is convex surface as side; Described the 5th lens E5 has positive light coke, and it is convex surface as side, and paraxial positive light coke is along with transferring negative power to towards periphery; Described the 6th lens E6 periphery has positive light coke, and it is concave surface as side at paraxial place.It is aspheric surface that described pick-up lens has a face at least.
From the object side to the image side, described smooth hurdle face is ST0, described first lens E1 two sides is S1, S2,, the second lens E2 two sides is S3, S4, the 3rd lens E3 two sides is S5, S6, the 4th lens E4 two sides is S7, S8, and the 5th lens E5 two sides is S9, S10, and the 6th lens E6 two sides is S11, S12, optical filtering E7 two sides is S13, S14, and imaging surface is S15.
Each parameter of pick-up lens in embodiment 1 is as described below: TTL=5.003; F1=4.373; F2=-10.633; F3=-37.031; F4=6.865; F5=2.536; F6=-1.726; F=4.251;
f1.2.3/Dr1r6=5.930
T3.5/TTL=0.334
SAG61/CT6=-3.784
Systematic parameter: 1/3 " sensor devices f-number 2.05
Table 1
| Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| Sphere | Infinite | Infinite | ? | ? | ? |
| Sphere | Infinite | -0.3460 | ? | 2.0736 | ? |
| Aspheric surface | 1.7080 | 0.5408 | 1.544/56.1 | 2.1336 | -0.0731 |
| Aspheric surface aspheric surface | 5.33216.2657 | 0.06140.2130 | 11.635/23.7 | 2.14152.1478 | -54.2177-49.7859 |
| Aspheric surface | 3.2195 | 0.1263 | 8 | 2.1411 | 0.3020 |
| Aspheric surface | 2.3343 | 0.2758 | 1.635/23.7 | 2.1709 | -6.6575 |
| Aspheric surface | 2.0270 | 0.3873 | 8 | 2.2382 | 1.5324 |
| Aspheric surface | 10.5973 | 0.6001 | 1.544/56.1 | 2.6000 | 2.1419 |
| Aspheric surface | -5.6832 | 0.6856 | 1 | 2.8912 | 2.5012 |
| Aspheric surface | 14869.939 | 0.5083 | 1.544/56.1 | 3.2798 | -0.0008 |
| Aspheric surface | -1.38427 | 0.2553 | 1 | 3.8377 | -6.6693 |
| Aspheric surface | -1.8254 | 0.2250 | 1.544/56.1 | 4.0953 | -0.3186 |
| Aspheric surface | 2.0326 | 0.2500 | 1 | 4.9209 | -21.7455 |
| Sphere | Infinite | 0.2100 | 1.517/64.1 | 5.7368 | ? |
| Sphere | Infinite | 0.6644 | 7 | 5.8650 | ? |
| Sphere | Infinite | ? | ? | 6.4927 | ? |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, the A14 of non-spherical lens:
Table 2
| A4 | A6 | A8 | A10 | A12 | A14 |
| -4.5094E-03 | 6.0316E-03 | -5.3245E-03 | 2.3633E-03 | 0 | 0 |
| -8.7677E-02 | 6.5491E-02 | -4.6237E-03 | -8.9553E-03 | 0 | 0 |
| -5.7832E-02 | 6.6075E-02 | -1.0391E-03 | -1.6428E-02 | 0 | 0 |
| 4.6129E-04 | 2.2483E-02 | -8.9304E-03 | 3.8259E-03 | 0 | 0 |
| -8.5509E-02 | -1.5092E-02 | 9.6047E-03 | 2.0928E-02 | 0 | 0 |
| -1.4843E-01 | 5.8028E-03 | 1.1512E-02 | 3.8046E-03 | 0 | 0 |
| -2.4438E-02 | -3.0831E-03 | 1.9532E-03 | 2.2855E-03 | 0 | 0 |
| -4.6967E-02 | 4.1786E-03 | -4.5478E-03 | 3.2095E-03 | 0 | 0 |
| -8.0286E-02 | -5.8820E-04 | 1.9018E-03 | -9.0114E-04 | 0 | 0 |
| -6.7748E-02 | 4.3188E-02 | -1.1749E-02 | 1.1822E-03 | 0 | 0 |
| 5.1088E-02 | 5.2193E-05 | -2.5020E-03 | 4.4964E-04 | 7.5609E-06 | 2.7841E-06 |
| -2.4774E-02 | 2.1228E-03 | -6.1181E-04 | 2.7705E-05 | 1.5176E-06 | -4.5550E-07 |
The pick-up lens that the embodiment of the present invention 2 provides, as shown in Figure 6, is followed successively by light hurdle, first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, optical filtering E7 and imaging surface from the object side to the image side.Described first lens E1 has positive light coke, and its thing side is convex surface; Described the second lens E2 has negative power, and its thing side is convex surface; Described the 3rd lens E3 has negative power, and it is concave surface as side; Described the 4th lens E4's is convex surface as side; Described the 5th lens E5 has positive light coke, and it is convex surface as side, and paraxial positive light coke is along with transferring negative power to towards periphery; Described the 6th lens E6 periphery has positive light coke, and it is concave surface as side at paraxial place.It is aspheric surface that described pick-up lens has a face at least.
From the object side to the image side, described smooth hurdle face is ST0, described first lens E1 two sides is S1, S2,, the second lens E2 two sides is S3, S4, the 3rd lens E3 two sides is S5, S6, the 4th lens E4 two sides is S7, S8, and the 5th lens E5 two sides is S9, S10, and the 6th lens E6 two sides is S11, S12, optical filtering E7 two sides is S13, S14, and imaging surface is S15.
Each parameter of pick-up lens in embodiment 2 is as described below:
TTL=4.022；f1=2.974；f2=-5.412；f3=-26.811；f4=5.851；f5=2.160；f6=-1.486；f=3.346；
f1.2.3/Dr1r6=5.650
T3.5/TTL=0.281
SAG61/CT6=-3.154
Systematic parameter: 1/4 " sensor devices f-number 2.05
Table 3
| Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| Sphere | Infinite | Infinite | ? | ? | ? |
| Sphere | Infinite | -0.2799 | ? | 1.6320 | ? |
| Aspheric surface | 1.3344 | 0.4935 | 1.544/56.11 | 1.6873 | -0.2928 |
| Aspheric surface | 6.5034 | 0.0368 | ? | 1.6719 | -6.7573 |
| Aspheric surface | 9.3518 | 0.1996 | 1.635/23.78 | 1.6659 | 21.8315 |
| Aspheric surface | 2.5075 | 0.1130 | ? | 1.6719 | 3.5516 |
| Aspheric surface | 1.6622 | 0.2030 | 1.635/23.78 | 1.6891 | -5.5824 |
| Aspheric surface | 1.4432 | 0.2552 | ? | 1.7509 | 1.3989 |
| Aspheric surface aspheric surface | 5.1049-8.2880 | 0.41650.4595 | 1.544/56.11 | 1.94152.1155 | -2.406523.7865 |
| Aspheric surface | -38.0065 | 0.5880 | 1.544/56.11 | 2.4013 | -487.0483 |
| Aspheric surface | -1.1498 | 0.2771 | ? | 2.7086 | -4.7886 |
| Aspheric surface | -1.2522 | 0.2007 | 1.544/56.11 | 2.9796 | -0.4079 |
| Aspheric surface | 2.4366 | 0.1628 | ? | 3.6919 | -30.2701 |
| Sphere | Infinite | 0.2100 | 1.517/64.17 | 3.9863 | ? |
| Sphere | Infinite | 0.4063 | ? | 4.0915 | ? |
| Sphere | Infinite | ? | ? | 4.5632 | ? |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, the A14 of non-spherical lens:
Table 4
| A4 | A6 | A8 | A10 | A12 | A14 |
| 4.5647E-03 | 4.4233E-02 | -4.9011E-02 | 7.5006E-02 | 0 | 0 |
| -2.5592E-01 | 5.0862E-01 | -1.9171E-01 | -2.1491E-01 | 0 | 0 |
| -1.2083E-01 | 2.9265E-01 | 1.1588E-01 | -5.3266E-01 | 0 | 0 |
| 3.7852E-02 | -8.1153E-02 | 2.6971E-01 | -2.7776E-01 | 0 | 0 |
| -2.3960E-01-4.3926E-01 | -9.3767E-02-7.4167E-03 | 6.4117E-027.0227E-03 | 2.5680E-012.0574E-02 | 00 | 00 |
| -7.9927E-02 | 5.7184E-02 | -1.5487E-01 | 1.1219E-01 | 0 | 0 |
| -1.2988E-01 | 9.2774E-02 | -1.2388E-01 | 8.8193E-02 | 0 | 0 |
| -2.1309E-01 | 8.5104E-02 | -1.2687E-01 | 6.7161E-02 | 0 | 0 |
| -1.7997E-01 | 1.7827E-01 | -1.0882E-01 | 2.7445E-02 | 0 | 0 |
| 1.2779E-01 | 3.1628E-02 | -2.8261E-02 | 2.5720E-03 | 1.7468E-04 | 6.8702E-04 |
| -4.2997E-02 | 1.3463E-02 | -6.0802E-03 | 5.7070E-04 | -3.6836E-05 | 1.6051E-05 |
The pick-up lens that the embodiment of the present invention 3 provides, as shown in figure 11, be followed successively by from the object side to the image side light hurdle, first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, optical filtering E7 and imaging surface, described first lens E1 has positive light coke, and its thing side is convex surface; Described the second lens E2 has negative power, and its thing side is convex surface; Described the 3rd lens E3 has negative power, and it is concave surface as side; Described the 4th lens E4's is convex surface as side; Described the 5th lens E5 has positive light coke, and it is convex surface as side, and paraxial positive light coke is along with transferring negative power to towards periphery; Described the 6th lens E6 periphery has positive light coke, and it is concave surface as side at paraxial place.It is aspheric surface that described pick-up lens has a face at least.
From the object side to the image side, described smooth hurdle face is ST0, described first lens E1 two sides is S1, S2,, the second lens E2 two sides is S3, S4, the 3rd lens E3 two sides is S5, S6, the 4th lens E4 two sides is S7, S8, and the 5th lens E5 two sides is S9, S10, and the 6th lens E6 two sides is S11, S12, optical filtering E7 two sides is S13, S14, and imaging surface is S15.
Each parameter of pick-up lens in embodiment 3 is as described below: TTL=3.993; F1=3.785; F2=-6.325; F3=-20.054; F4=3.693; F5=2.268; F6=-1.482; F=3.219;
f1.2.3/Dr1r6=9.487
T3.5/TTL=0.309
SAG61/CT6=-2.777
Systematic parameter: 1/4 " sensor devices f-number 2.05
Table 5
| Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| Sphere | Infinite | Infinite | ? | ? | ? |
| Sphere | Infinite | -0.2256 | ? | 1.5701 | ? |
| Aspheric surface | 1.4780 | 0.4185 | 1.544/56.11 | 1.6183 | -0.0943 |
| Aspheric surface | 4.6718 | 0.0921 | ? | 1.6336 | -24.6257 |
| Aspheric surface | 7.4401 | 0.2078 | 1.635/23.78 | 1.6429 | -99.2317 |
| Aspheric surface | 2.5937 | 0.0933 | ? | 1.7301 | -1.8098 |
| Aspheric surface | 1.6733 | 0.2260 | 1.635/23.78 | 1.7480 | -5.8101 |
| Aspheric surface | 1.4024 | 0.2326 | ? | 1.8435 | 1.0453 |
| Aspheric surface | 3.2548 | 0.4697 | 1.544/56.11 | 2.0809 | 0.2843 |
| Aspheric surface | -5.0266 | 0.5320 | ? | 2.1961 | -24.5164 |
| Aspheric surface | -181.5333 | 0.3627 | 1.544/56.11 | 2.4753 | -4591.722 |
| Aspheric surface | -1.2305 | 0.2981 | ? | 2.7665 | -6.53982 |
| Aspheric surface | -1.3953 | 0.2090 | 1.544/56.11 | 2.9475 | -0.3001 |
| Aspheric surface | 2.0262 | 0.1772 | ? | 3.6604 | -22.4660 |
| Sphere | Infinite | 0.2100 | 1.517/64.17 | 4.0698 | ? |
| Sphere | Infinite | 0.4634 | ? | 4.1944 | ? |
| Sphere | Infinite | ? | ? | 4.5944 | ? |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, the A14 of non-spherical lens:
Table 6
| A4 | A6 | A8 | A10 | A12 | A14 |
| -2.0248E-02 | 4.9624E-02 | -4.6906E-02 | 8.0212E-02 | 0 | 0 |
| -2.2791E-01 | 3.7448E-01 | -8.8344E-02 | -1.6574E-01 | 0 | 0 |
| -1.6923E-01 | 3.4678E-01 | -6.3662E-02 | -3.8994E-01 | 0 | 0 |
| -1.6354E-02 | 1.2056E-01 | -3.1453E-02 | -1.5844E-01 | 0 | 0 |
| -2.4443E-01 | -7.5184E-02 | 9.8664E-02 | 1.1197E-01 | 0 | 0 |
| -4.6821E-01 | 1.8071E-02 | 4.0816E-02 | -5.9198E-02 | 0 | 0 |
| -6.9107E-02 | 1.5458E-02 | -4.7668E-02 | 3.0030E-02 | 0 | 0 |
| -1.2853E-01 | 3.1194E-02 | -2.4841E-02 | 1.9951E-02 | 0 | 0 |
| -1.5412E-01 | 4.2114E-02 | -2.5689E-02 | 3.9569E-03 | 0 | 0 |
| -1.5016E-01 | 2.3346E-01 | -1.3015E-01 | 2.6475E-02 | 0 | 0 |
| 1.1995E-01 | 5.6832E-03 | -3.0674E-02 | 9.3498E-03 | 4.2930E-04 | 1.8110E-04 |
| -4.5190E-02 | 6.1988E-03 | -4.4746E-03 | 5.2191E-04 | 8.7201E-06 | 3.5817E-06 |
The pick-up lens that the embodiment of the present invention 4 provides, as shown in figure 16, is followed successively by light hurdle, first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, optical filtering E7 and imaging surface from the object side to the image side.Described first lens E1 has positive light coke, and its thing side is convex surface; Described the second lens E2 has negative power, and its thing side is convex surface; Described the 3rd lens E3 has negative power, and it is concave surface as side; Described the 4th lens E4's is convex surface as side; Described the 5th lens E5 has positive light coke, and it is convex surface as side, and paraxial positive light coke is along with transferring negative power to towards periphery; Described the 6th lens E6 periphery has positive light coke, and it is concave surface as side at paraxial place.It is aspheric surface that described pick-up lens has a face at least.
From the object side to the image side, described smooth hurdle face is ST0, described first lens E1 two sides is S1, S2,, the second lens E2 two sides is S3, S4, the 3rd lens E3 two sides is S5, S6, the 4th lens E4 two sides is S7, S8, and the 5th lens E5 two sides is S9, S10, and the 6th lens E6 two sides is S11, S12, optical filtering E7 two sides is S13, S14, and imaging surface is S15.
Each parameter of pick-up lens in embodiment 4 is as described below:
TTL=5.00；f1=4.372；f2=-9.631；f3=-41.768；f4=6.347；f5=2.670；f6=-1.749；f=4.151；
f1.2.3/Dr1r6=6.549
T3.5/TTL=0.340
SAG61/CT6=-4.368
Systematic parameter: 1/3 " sensor devices f-number 2.05
Table 7
| Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| Sphere | Infinite | Infinite | ? | ? | ? |
| Sphere | Infinite | -0.3375 | ? | 2.0251 | ? |
| Aspheric surface | 1.7059 | 0.5062 | 1.544/56.11 | 2.0890 | -0.0416 |
| Aspheric surface | 5.3544 | 0.0757 | ? | 2.0882 | -53.1547 |
| Aspheric surface | 6.7536 | 0.2130 | 1.635/23.78 | 2.0877 | -64.2148 |
| Aspheric surface | 3.1837 | 0.1178 | ? | 2.0943 | -0.0643 |
| Aspheric surface | 2.3145 | 0.2538 | 1.635/23.78 | 2.1094 | -7.0819 |
| Aspheric surface | 2.0390 | 0.3698 | ? | 2.2228 | 1.5293 |
| Aspheric surface | 11.7195 | 0.6393 | 1.544/56.11 | 2.6000 | 12.7906 |
| Aspheric surface | -4.8248 | 0.6930 | ? | 2.8714 | 0.4313 |
| Aspheric surface | -31.7345 | 0.5418 | 1.544/56.11 | 3.3099 | -24.2930 |
| Aspheric surface | -1.4022 | 0.3238 | ? | 3.7524 | -5.6530 |
| Aspheric surface | -1.7244 | 0.2250 | 1.544/56.11 | 3.9632 | -0.4222 |
| Aspheric surface | 2.2397 | 0.2500 | ? | 5.0395 | -22.3361 |
| Sphere | Infinite | 0.2100 | 1.517/64.17 | 5.8281 | ? |
| Sphere | Infinite | 0.5809 | ? | 5.9568 | ? |
| Sphere | Infinite | ? | ? | 6.5302 | ? |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, the A14 of non-spherical lens:
Table 8
| A4 | A6 | A8 | A10 | A12 | A14 |
| -4.5236E-03 | 1.0363E-02 | -2.9652E-03 | 3.7644E-03 | 0 | 0 |
| -8.3234E-02 | 7.1475E-02 | -3.7506E-03 | -1.6994E-02 | 0 | 0 |
| -5.9916E-02 | 6.5451E-02 | -2.7719E-03 | -2.4135E-02 | 0 | 0 |
| -9.0841E-04 | 1.7726E-02 | -9.8418E-03 | 5.6343E-04 | 0 | 0 |
| -8.8827E-02 | -2.1146E-02 | 1.3512E-03 | 1.8005E-02 | 0 | 0 |
| -1.5612E-01 | 7.1981E-03 | 1.0232E-02 | 2.2272E-03 | 0 | 0 |
| -2.3692E-02 | 6.3465E-04 | 1.4016E-03 | 9.2135E-04 | 0 | 0 |
| -4.4245E-02 | 5.0386E-03 | -5.3424E-03 | 2.1275E-03 | 0 | 0 |
| -7.0820E-02 | 4.2424E-03 | 1.4341E-03 | -1.1185E-03 | 0 | 0 |
| -7.3912E-02 | 4.3543E-02 | -1.1592E-02 | 1.1835E-03 | 0 | 0 |
| 4.4218E-02 | -2.8754E-04 | -2.5484E-03 | 4.2749E-04 | 5.8204E-06 | 4.8611E-06 |
| -2.2877E-02 | 2.7012E-03 | -6.8090E-04 | 2.7496E-05 | 2.0269E-06 | -3.2882E-07 |
The pick-up lens that the embodiment of the present invention 5 provides, as shown in figure 21, is followed successively by light hurdle, first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, optical filtering E7 and imaging surface from the object side to the image side.Described first lens E1 has positive light coke, and its thing side is convex surface; Described the second lens E2 has negative power, and its thing side is convex surface; Described the 3rd lens E3 has negative power, and it is concave surface as side; Described the 4th lens E4's is convex surface as side; Described the 5th lens E5 has positive light coke, and it is convex surface as side, and paraxial positive light coke is along with transferring negative power to towards periphery; Described the 6th lens E6 periphery has positive light coke, and it is concave surface as side at paraxial place.It is aspheric surface that described pick-up lens has a face at least.
From the object side to the image side, described smooth hurdle face is ST0, described first lens E1 two sides is S1, S2,, the second lens E2 two sides is S3, S4, the 3rd lens E3 two sides is S5, S6, the 4th lens E4 two sides is S7, S8, and the 5th lens E5 two sides is S9, S10, and the 6th lens E6 two sides is S11, S12, optical filtering E7 two sides is S13, S14, and imaging surface is S15.
Each parameter of pick-up lens in embodiment 5 is as described below: TTL=4.395; F1=3.777; F2=-16.447; F3=-8.453; F4=3.501; F5=3.141; F6=-1.604; F=3.631;
f1.2.3/Dr1r6=7.681，T3.5/TTL=0.443，SAG61/CT6=-4.720
Systematic parameter: 1/4 " sensor devices f-number 2.05
Table 9
| Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| Sphere | Infinite | Infinite | ? | ? | ? |
| Sphere | Infinite | -0.2696 | ? | 1.7713 | ? |
| Aspheric surface | 1.5714 | 0.4624 | 1.544/56.11 | 1.8292 | -0.0059 |
| Aspheric surface | 5.9169 | 0.0626 | ? | 1.8279 | -20.5889 |
| Aspheric surface | 387.1453 | 0.2037 | 1.635/23.78 | 1.8421 | -170.0000 |
| Aspheric surface | 10.2500 | 0.0833 | ? | 1.8572 | 48.9379 |
| Aspheric surface | 1.7304 | 0.2003 | 1.635/23.78 | 1.9163 | -8.2335 |
| Aspheric surface | 1.2519 | 0.3483 | ? | 1.9656 | 0.3803 |
| Aspheric surface | 12.8277 | 0.5817 | 1.544/56.11 | 2.1268 | 57.4484 |
| Aspheric surface | -2.2099 | 1.0206 | ? | 2.3316 | -5.8075 |
| Aspheric surface | -4.1435 | 0.4572 | 1.544/56.11 | 2.7767 | -17.5422 |
| Aspheric surface | -1.2602 | 0.1433 | ? | 3.0357 | -6.0052 |
| Aspheric surface | -1.2848 | 0.2010 | 1.544/56.11 | 3.1486 | -0.3671 |
| Aspheric surface | 2.9008 | 0.1423 | ? | 4.1581 | -36.8584 |
| Sphere | Infinite | 0.2100 | 1.517/64.17 | 4.7714 | ? |
| Sphere | Infinite | 0.2785 | ? | 4.9075 | ? |
| Sphere | Infinite | ? | ? | 5.1588 | ? |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, the A14 of non-spherical lens:
Table 10
| A4 | A6 | A8 | A10 | A12 | A14 |
| -4.6616E-03 | 2.1201E-02 | -7.7365E-02 | 8.3491E-02 | 0 | 0 |
| -2.4940E-01 | 3.4232E-01 | -6.6359E-02 | -3.1143E-02 | 0 | 0 |
| -1.2918E-01 | 3.6001E-01 | -3.4665E-02 | -1.6539E-01 | 0 | 0 |
| 3.9831E-02 | 1.5138E-01 | 4.7958E-02 | -9.1568E-02 | 0 | 0 |
| -2.9759E-01 | 3.3897E-02 | 3.4835E-01 | -1.3787E-01 | 0 | 0 |
| -5.2380E-01 | 1.7847E-01 | 9.1038E-02 | -1.2037E-01 | 0 | 0 |
| -2.0833E-02 | -3.8250E-02 | -4.7885E-02 | 4.3734E-02 | 0 | 0 |
| -8.9686E-02 | 4.7810E-02 | -7.1729E-02 | 3.0582E-02 | 0 | 0 |
| -1.6939E-01 | 6.4074E-02 | -3.5564E-02 | 6.5998E-03 | 0 | 0 |
| -2.2698E-01 | 2.0498E-01 | -1.2096E-01 | 2.6056E-02 | 0 | 0 |
| 5.3770E-02 | 3.8087E-02 | -3.9692E-02 | 8.8065E-03 | 9.3537E-04 | 3.0611E-04 |
| -3.1578E-02 | 5.0867E-03 | -4.3182E-03 | 6.3696E-04 | 3.6279E-05 | -8.9804E-06 |
The pick-up lens that the embodiment of the present invention 6 provides, as shown in figure 26, is followed successively by light hurdle, first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, optical filtering E7 and imaging surface from the object side to the image side.Described first lens E1 has positive light coke, and its thing side is convex surface; Described the second lens E2 has negative power, and its thing side is convex surface; Described the 3rd lens E3 has negative power, and it is concave surface as side; Described the 4th lens E4's is convex surface as side; Described the 5th lens E5 has positive light coke, and it is convex surface as side, and paraxial positive light coke is along with transferring negative power to towards periphery; Described the 6th lens E6 periphery has positive light coke, and it is concave surface as side at paraxial place.It is aspheric surface that described pick-up lens has a face at least.
From the object side to the image side, described smooth hurdle face is ST0, described first lens E1 two sides is S1, S2,, the second lens E2 two sides is S3, S4, the 3rd lens E3 two sides is S5, S6, the 4th lens E4 two sides is S7, S8, and the 5th lens E5 two sides is S9, S10, and the 6th lens E6 two sides is S11, S12, optical filtering E7 two sides is S13, S14, and imaging surface is S15.
Each parameter of pick-up lens in embodiment 6 is as described below: TTL=5.00; F1=4.418; F2=-10.012; F3=-31.497; F4=6.368; F5=2.678; F6=-1.738; F=4.171;
f1.2.3/Dr1r6=7.005
T3.5/TTL=0.346
SAG61/CT6=-4.575
Systematic parameter: 1/3.06 " sensor devices f-number 2.05
Table 11
| Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| Sphere | Infinite | Infinite | ? | ? | ? |
| Sphere | Infinite | -0.3415 | ? | 2.0348 | ? |
| Aspheric surface | 1.7064 | 0.4963 | 1.544/56.1 | 2.0987 | -0.0540 |
| Aspheric surface | 5.2335 | 0.0895 | 1 | 2.0974 | -52.7886 |
| Aspheric surface | 6.3872 | 0.2024 | 1.635/23.7 | 2.0964 | -69.9880 |
| Aspheric surface | 3.1599 | 0.1026 | 8 | 2.1106 | -0.1073 |
| Aspheric surface | 2.3910 | 0.2501 | 1.635/23.7 | 2.1233 | -6.5835 |
| Aspheric surface | 2.0503 | 0.3775 | 8 | 2.2204 | 1.5993 |
| Aspheric surface | 8.0124 | 0.6035 | 1.544/56.1 | 2.6497 | 12.5046 |
| Aspheric surface | -5.9782 | 0.7473 | 1 | 2.9960 | -3.3940 |
| Aspheric surface | 1172.0224 | 0.5693 | 1.544/56.1 | 3.3674 | -2.83E+38 |
| Aspheric surface | -1.4639 | 0.3279 | 1 | 3.7949 | -5.9684 |
| Aspheric surface | -1.6621 | 0.2285 | 1.544/56.1 | 4.0548 | -0.4788 |
| Aspheric surface | 2.3201 | 0.2548 | 1 | 5.2159 | -24.9450 |
| Sphere | Infinite | 0.2100 | 1.517/64.1 | 5.9845 | ? |
| Sphere | Infinite | 0.5404 | ? | 6.1119 | ? |
| Sphere | Infinite | ? | ? | 6.6525 | ? |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, the A14 of non-spherical lens:
Table 2
| A4 | A6 | A8 | A10 | A12 | A14 |
| -5.2708E-03 | 1.0860E-02 | -1.3376E-03 | 2.7433E-03 | 0 | 0 |
| -7.6343E-02 | 6.7897E-02 | -3.6158E-03 | -1.7368E-02 | 0 | 0 |
| -5.6632E-02 | 6.1540E-02 | -9.4918E-04 | -2.6858E-02 | 0 | 0 |
| -9.3143E-04 | 1.3817E-02 | -1.1404E-02 | 4.0330E-03 | 0 | 0 |
| -8.4402E-02 | -2.1938E-02 | 4.4755E-03 | 2.0939E-02 | 0 | 0 |
| -1.5211E-01 | 1.1905E-02 | 9.7627E-03 | 1.1042E-03 | 0 | 0 |
| -2.2157E-02 | 4.4768E-03 | 1.9679E-03 | 5.8285E-05 | 0 | 0 |
| -3.9702E-02 | 6.8141E-03 | -4.4067E-03 | 2.2462E-03 | 0 | 0 |
| -6.1025E-02 | 9.3553E-04 | 2.6727E-04 | -1.0422E-03 | 0 | 0 |
| -6.8589E-02 | 3.7658E-02 | -1.0452E-02 | 9.7048E-04 | 0 | 0 |
| 4.2334E-02 | 2.1350E-03 | -2.1191E-03 | 3.2382E-04 | -7.4755E-06 | 1.5153E-06 |
| -1.9287E-02 | 2.4065E-03 | -5.7238E-04 | 1.9883E-05 | 1.2850E-06 | -1.3332E-07 |
Fig. 2, Fig. 3, Fig. 4 and Fig. 5 are chromaticity difference diagrams on the axle of embodiment 1, astigmatism figure, distortion figure and ratio chromatism, figure, Fig. 7, Fig. 8, Fig. 9 and Figure 10 are chromaticity difference diagrams on the axle of embodiment 2, astigmatism figure, distortion figure and ratio chromatism, figure, Figure 12, Figure 13, Figure 14 and Figure 15 are chromaticity difference diagrams on the axle of embodiment 3, astigmatism figure, distortion figure and ratio chromatism, figure, Figure 17, Figure 18, Figure 19 and Figure 20 are chromaticity difference diagrams on the axle of embodiment 4, astigmatism figure, distortion figure and ratio chromatism, figure, Figure 22, Figure 23, Figure 24 and Figure 25 are chromaticity difference diagrams on the axle of embodiment 5, astigmatism figure, distortion figure and ratio chromatism, figure, Figure 27, Figure 28, Figure 29 and Figure 30 are chromaticity difference diagrams on the axle of embodiment 6, astigmatism figure, distortion figure and ratio chromatism, figure, by chromaticity difference diagram on the axle of each embodiment, astigmatism figure, distortion figure and ratio chromatism, figure, can find out that the present invention has good optical property.
As shown in figure 31, camera module of the present invention comprises pick-up lens, chip, microscope base and substrate.Described pick-up lens makes object be imaged on the photosensitive region of chip; Described chip carries out opto-electronic conversion by imaging, with electric signal, exports; Described substrate has the outside link that carries out electric signal transmission; Described microscope base has supporting role.
The present invention also comprises a kind of portable terminal, carries above-mentioned camera module, can obtain high pixel and high-quality photographs.
Although described principle of the present invention and embodiment for micro pick-up lens above; but under above-mentioned instruction of the present invention; those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improvement or distortion all drop in protection scope of the present invention.It will be understood by those skilled in the art that specific descriptions are above in order to explain object of the present invention, and not for limiting the present invention, protection scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. a pick-up lens, is characterized in that, extremely as side, is comprised successively: the first lens with positive light coke by thing side; Second lens with negative power, its thing side is convex surface; The 3rd lens with negative power; The 4th lens with focal power; The 5th lens with positive light coke, it is convex surface as side; The 6th lens with focal power, it is concave surface as side at paraxial place; Described camera lens meets:
5.5<f1.2.3/Dr1r6<10
Wherein, f1.2.3 is the combined focal length of first lens, the second lens and the 3rd lens; Dr1r6 is the spacing on optical axis as side surface of thing side surface to the three lens of first lens.
2. pick-up lens according to claim 1, is characterized in that, described camera lens meets:
0.25<T3.5/TTL<0.5
Wherein, T3.5 is the thing side surface of picture side surface to the five lens of the 3rd lens spacing on optical axis; TTL is the overall length of whole lens combination.
3. pick-up lens according to claim 1 and 2, is characterized in that: described camera lens meets:
-5.0<SAG61/CT6<-2.5
Wherein, the SAG61 horizontal shift distance on optical axis that is the thing side surface of the 6th lens and the intersection point of optical axis to the maximum effective diameter position on this surface; CT6 is the center thicknesses of the 6th lens on optical axis.
4. pick-up lens according to claim 1 and 2, is characterized in that: the first lens thing side of described camera lens is convex surface; The 3rd lens are concave surface as side; The 4th lens are convex surface as side.
5. pick-up lens according to claim 4, is characterized in that: the 5th lens of described camera lens are positive light coke at paraxial place, along with transferring negative power to towards periphery; The 6th lens perimeter is positive light coke.
6. according to claim 1,2 or 5 arbitrary described pick-up lenss, it is characterized in that, between object and first lens, be provided with diaphragm.
7. pick-up lens according to claim 6, is characterized in that, it is aspheric surface that described camera lens has a face at least.
8. pick-up lens according to claim 7, is characterized in that, the eyeglass of described camera lens is plastic aspherical element eyeglass.
9. a camera module, comprises pick-up lens, chip, microscope base and substrate, and described pick-up lens makes object be imaged on the photosensitive region of chip; Described chip carries out opto-electronic conversion by imaging, with electric signal, exports; Described substrate has the outside link that carries out electric signal transmission; Described microscope base has supporting role, it is characterized in that, pick-up lens is the arbitrary described pick-up lens of claim 1-8.
10. a portable terminal, is characterized in that, includes camera module claimed in claim 9.
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| CN201410109113.5A CN103955047B (en) | 2014-03-23 | 2014-03-23 | Pick-up lens and module thereof and terminal |
| CN201480076174.4A CN106062611B (en) | 2014-03-23 | 2014-06-03 | Pick-up lens and its module and terminal |
| US15/126,946 US10061104B2 (en) | 2014-03-23 | 2014-06-03 | Image pick-up lens system and module and terminal therefor |
| PCT/CN2014/079057 WO2015143778A1 (en) | 2014-03-23 | 2014-06-03 | Image pickup lens and module thereof and terminal |
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