CN105116517A - Miniature camera lens - Google Patents
Miniature camera lens Download PDFInfo
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- CN105116517A CN105116517A CN201510596138.7A CN201510596138A CN105116517A CN 105116517 A CN105116517 A CN 105116517A CN 201510596138 A CN201510596138 A CN 201510596138A CN 105116517 A CN105116517 A CN 105116517A
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- Prior art keywords
- lens
- micro pick
- aspheric surface
- image side
- face
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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
-
- 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
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- Optics & Photonics (AREA)
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Abstract
The invention discloses a miniature camera lens successively comprising, from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and sixth lens. The object-side surface of the second lens is a convex surface. The image-side surface of the second lens is a concave surface. The object-side surface of third lens is a concave surface. The image-side surface of the third lens is a convex surface. The object-side surface of the fourth lens is a concave surface. The image-side surface of the fifth lens, at a paraxial position, is a convex surface. The object-side surface of the sixth lens, at a paraxial position, is a concave surface. The image-side surface of the sixth lens, at a paraxial position, is a concave surface. The miniature camera lens satisfies following formulas: -2.5 < (f1+f2)/f < -1.0 and 0.65 <= ET5min/CT5 <= 0.95, wherein the f is the effective focal length of the miniature camera lens, the f1 is the effective focal length of the first lens, the f2 is the effective focal length of the second lens, the ET5min is the minimum edge thickness of the fifth lens, and the CT5 is the central thickness of the fifth lens. The miniature camera lens is decreased in size effectively and improved in resolution.
Description
Technical field
The present invention relates to a kind of camera technique field, particularly relate to a kind of micro pick-up lens that can be applicable to miniaturized electronic devices.
Background technology
At present, the photo-sensitive cell of general optical system is nothing more than being photosensitive coupling element (CCD) or Complimentary Metal-Oxide semiconductor element (CMOS) two kinds.Along with the development of chip technology, the Pixel Dimensions of photo-sensitive cell constantly reduces, and the pick-up lens be mounted on the portable type electronic products such as mobile phone, flat board or digital camera is also developed toward fields such as high pixel and miniaturizations gradually.
The pick-up lens of current main flow is generally made up of five lens, but the pick-up lens of five lens compositions has been difficult to meet higher pixel and higher-quality parsing requirement.
Summary of the invention
The embodiment of the present invention is intended at least to solve one of technical matters existed in prior art.For this reason, the embodiment of the present invention needs to provide a kind of micro pick-up lens.
A kind of micro pick-up lens, is comprised to image side successively by thing side:
There are the first lens of positive refracting power;
Have the second lens of negative refracting power, the thing side of these the second lens is convex surface, and the face, image side of these the second lens is concave surface;
Have the 3rd lens of negative refracting power, the thing side of the 3rd lens is concave surface, and the face, image side of the 3rd lens is convex surface;
Have the 4th lens of refracting power, the thing side of the 4th lens is concave surface;
Have the 5th lens of positive refracting power, the face, image side of the 5th lens is convex surface at paraxial place;
Have the 6th lens of negative refracting power, the thing side of the 6th lens is concave surface at paraxial place, and the face, image side of the 6th lens is concave surface at paraxial place;
This micro pick-up lens meets following relationship :-2.5< (f1+f2)/f<-1.0; 0.65≤ET5min/CT5≤0.95; Wherein, f is the effective focal length of this micro pick-up lens, and f1 is the effective focal length of these the first lens, and f2 is the effective focal length of these the second lens; ET5min is the minimum edge edge thickness of the 5th lens, and CT5 is the center thickness of the 5th lens.
Above-mentioned micro pick-up lens can effectively reduce Lens, realizes ultra-thin, also effectively can revise distortion, each aberration of balance micro pick-up lens, improves camera lens resolving power.
In one embodiment, this micro pick-up lens meets following relationship: 2.7<T23/T34<4.0; Wherein, T23 is spacing on the axle between these second lens and the 3rd lens, and T34 is spacing on the axle between the 3rd lens and the 4th lens.
In one embodiment, this micro pick-up lens meets following relationship: 1.3<f/R12<2.1; Wherein, R12 is the radius-of-curvature in the face, image side of the 6th lens.
In one embodiment, this micro pick-up lens meets following relationship: 0.15<T56/Dr9r12<0.35; Wherein, T56 is spacing on the axle between the 5th lens and the 6th lens, Dr9r12 be thing side to the face, image side of the 6th lens of the 5th lens axle on spacing.
In one embodiment, this micro pick-up lens meets following relationship: TTL/ImgH≤1.6; Wherein, TTL is the lens overall length of this micro pick-up lens, and ImgH is the half of the diagonal line length of effective pixel area on imaging surface.
In one embodiment, the thing side of the 4th lens is sphere.
In one embodiment, this micro pick-up lens meets following relationship: 0<f/f5<0.4;-1.45<f/f6<0; Wherein, f5 is the effective focal length of the 5th lens, and f6 is the effective focal length of the 6th lens.
In one embodiment, this micro pick-up lens meets following relationship :-10<f/R10<0; Wherein, R10 is the radius-of-curvature in the face, image side of the 5th lens.
In one embodiment, the thing side of these the first lens is convex surface, and the face, image side of these the first lens is concave surface.
The additional aspect of the embodiment of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by the practice of the embodiment of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the embodiment of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the micro pick-up lens of embodiment 1;
Fig. 2 be the micro pick-up lens of embodiment 1 axle on chromaticity difference diagram (mm); Fig. 3 is the astigmatism figure (mm) of the micro pick-up lens of embodiment 1; Fig. 4 is the distortion figure (%) of the micro pick-up lens of embodiment 1;
Fig. 5 is the structural representation of the micro pick-up lens of embodiment 2;
Fig. 6 be the micro pick-up lens of embodiment 2 axle on chromaticity difference diagram (mm); Fig. 7 is the astigmatism figure (mm) of the micro pick-up lens of embodiment 2; Fig. 8 is the distortion figure (%) of the micro pick-up lens of embodiment 2;
Fig. 9 is the structural representation of the micro pick-up lens of embodiment 3;
Figure 10 be the micro pick-up lens of embodiment 3 axle on chromaticity difference diagram (mm); Figure 11 is the astigmatism figure (mm) of the micro pick-up lens of embodiment 3; Figure 12 is the distortion figure (%) of the micro pick-up lens of embodiment 3;
Figure 13 is the structural representation of the micro pick-up lens of embodiment 4;
Figure 14 be the micro pick-up lens of embodiment 4 axle on chromaticity difference diagram (mm); Figure 15 is the astigmatism figure (mm) of the micro pick-up lens of embodiment 4; Figure 16 is the distortion figure (%) of the micro pick-up lens of embodiment 4;
Figure 17 is the structural representation of the micro pick-up lens of embodiment 5;
Figure 18 be the micro pick-up lens of embodiment 5 axle on chromaticity difference diagram (mm); Figure 19 is the astigmatism figure (mm) of the micro pick-up lens of embodiment 5; Figure 20 is the distortion figure (%) of the micro pick-up lens of embodiment 5;
Figure 21 is the structural representation of the micro pick-up lens of embodiment 6;
Figure 22 be the micro pick-up lens of embodiment 6 axle on chromaticity difference diagram (mm); Figure 23 is the astigmatism figure (mm) of the micro pick-up lens of embodiment 6; Figure 24 is the distortion figure (%) of the micro pick-up lens of embodiment 6;
Figure 25 is the structural representation of the micro pick-up lens of embodiment 7;
Figure 26 be the micro pick-up lens of embodiment 7 axle on chromaticity difference diagram (mm); Figure 27 is the astigmatism figure (mm) of the micro pick-up lens of embodiment 7; Figure 28 is the distortion figure (%) of the micro pick-up lens of embodiment 7;
Figure 29 is the structural representation of the micro pick-up lens of embodiment 8;
Figure 30 be the micro pick-up lens of embodiment 8 axle on chromaticity difference diagram (mm); Figure 31 is the astigmatism figure (mm) of the micro pick-up lens of embodiment 8; Figure 32 is the distortion figure (%) of the micro pick-up lens of embodiment 8.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it is to be appreciated that term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more described features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrically connected or can intercom mutually; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or reference letter, this repetition is to simplify and clearly object, itself does not indicate discussed various embodiment and/or relation between setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the application of other techniques and/or the use of other materials.
Refer to Fig. 1, the micro pick-up lens of the embodiment of the present invention, comprised successively to image side by thing side:
There is the first lens E1 of positive refracting power;
Have the second lens E2 of negative refracting power, the thing side S3 of the second lens E2 is convex surface, and face, the image side S4 of the second lens E2 is concave surface;
Have the 3rd lens E3 of negative refracting power, the thing side S5 of the 3rd lens E3 is concave surface, and face, the image side S6 of the 3rd lens E3 is convex surface;
Have the 4th lens E4 of refracting power, the thing side S7 of the 4th lens E4 is concave surface;
Have the 5th lens E5 of positive refracting power, face, the image side S10 of the 5th lens E5 is convex surface at paraxial place;
Have the 6th lens E6 of negative refracting power, the thing side S11 of the 6th lens E6 is concave surface at paraxial place, and face, the image side S12 of the 6th lens E6 is concave surface at paraxial place.
Described micro pick-up lens meets following relationship :-2.5< (f1+f2)/f<-1.0; 0.65≤ET5min/CT5≤0.95;
Wherein, f is the effective focal length of micro pick-up lens, and f1 is the effective focal length of the first lens E1, and f2 is the effective focal length of the second lens E2; ET5min is the minimum edge edge thickness of the 5th lens E5, and CT5 is the center thickness of the 5th lens E5.
The micro pick-up lens meeting above-mentioned configuration can effectively reduce Lens, realizes ultra-thin, effectively revises distortion, each aberration of balanced system simultaneously, improves camera lens resolving power.
Preferably, described micro pick-up lens meets following relationship: 2.7<T23/T34<4.0;
Wherein, T23 is spacing on the axle between the second lens E2 and the 3rd lens E3, and T34 is spacing on the axle between the 3rd lens E3 and the 4th lens E4.
The micro pick-up lens meeting above formula requirement can spacing between each lens of active balance, is conducive to lens assembling, reduces the susceptibility of camera lens.
Preferably, described micro pick-up lens meets following relationship: 1.3<f/R12<2.1;
Wherein, f is the effective focal length of micro pick-up lens, and R12 is the radius-of-curvature in the face, image side of the 6th lens E6.
The micro pick-up lens meeting above formula requirement is conducive to improving edge relative brightness, makes the brightness uniformity of whole image planes, meets the requirement of the high resolution of micro pick-up lens.
Preferably, described micro pick-up lens meets following relationship: 0.15<T56/Dr9r12<0.35;
Wherein, T56 is spacing on the axle between the 5th lens E5 and the 6th lens E6, Dr9r12 be thing side to the face, image side of the 6th lens E6 of the 5th lens E5 axle on spacing.
The micro pick-up lens meeting above formula requirement is conducive to the total length reducing camera lens, ensures the miniaturization of camera lens.
Preferably, described micro pick-up lens meets following relationship: TTL/ImgH≤1.6;
Wherein, TTL is the lens overall length of micro pick-up lens, and ImgH is the half of the diagonal line length of effective pixel area on imaging surface.
Meet above formula and require the volume being beneficial to and reducing camera lens, ensure that camera lens meets ultra-thin requirement further.
Preferably, when the thing side S7 of the 4th lens E4 is sphere, is easy to shaping, is conducive to machining eyeglass, reduce the susceptibility of camera lens.
Preferably, described micro pick-up lens meets following relationship: 0<f/f5<0.4;-1.45<f/f6<0;
Wherein, f is the effective focal length of micro pick-up lens, and f5 is the effective focal length of the 5th lens E5, and f6 is the effective focal length of the 6th lens E6.
The micro pick-up lens meeting above formula requirement is conducive to the focal power of reasonable distribution system, effective update the system aberration, promotes image quality.
Preferably, described micro pick-up lens meets following relationship :-10<f/R10<0;
Wherein, f is the effective focal length of micro pick-up lens, and R10 is the radius-of-curvature in the face, image side of the 5th lens E5.
The micro pick-up lens meeting above formula requirement effectively can revise distortion, and is conducive to the marginal aberration reducing camera lens, improves camera lens resolving power.
Preferably, the thing side S1 of the first lens E1 is convex surface, and face, the image side S2 of the first lens E1 is concave surface.
Meet the above requirement to lens shape, micro pick-up lens can reduce the volume of camera lens further, makes lens construction relative compact, reduces the susceptibility of camera lens, promotes the relative exposure of lens edge simultaneously, ensures the resolving power of camera lens.
During imaging, light images in imaging surface S15 through after six-element lens after having the optical filter E7 of thing side surface S13 and surface, image side S14.
In certain embodiments, the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5 and the 6th lens E6 are non-spherical lens.
Aspheric shape is determined by following formula:
Wherein, h is that in aspheric surface, arbitrary point is to the height of optical axis, and c is vertex curvature, and k is conic constants, and Ai is the correction factor on aspheric surface i-th-th rank.
Embodiment 1
Incorporated by reference to Fig. 1 ~ Fig. 4, in embodiment 1, micro pick-up lens meets the condition of table 1 and table 2 below:
Table 1
| Surface number | Surface type | Radius-of-curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Sphere | Infinite | Infinite | -- | -- |
| STO | Sphere | Infinite | -0.2617 | -- | -- |
| S1 | Aspheric surface | 1.6276 | 0.8679 | 1.544/56.11 | -1.0015 |
| S2 | Aspheric surface | 24.0307 | 0.0480 | -- | 99.9900 |
| S3 | Aspheric surface | 15.9191 | 0.2332 | 1.651/21.52 | -99.9900 |
| S4 | Aspheric surface | 4.0685 | 0.5021 | -- | 0.7738 |
| S5 | Aspheric surface | -8.6372 | 0.5731 | 1.544/56.11 | 54.2838 |
| S6 | Aspheric surface | -17.7461 | 0.1307 | -- | 87.1587 |
| S7 | Sphere | -3.0194 | 0.3477 | 1.544/56.11 | 0 |
| S8 | Aspheric surface | -1.5368 | 0.1718 | -- | -9.1948 |
| S9 | Aspheric surface | -24.5018 | 0.6573 | 1.651/21.52 | -24.1615 |
| S10 | Aspheric surface | -9.1596 | 0.2333 | -- | -99.9900 |
| S11 | Aspheric surface | -8.6501 | 0.3700 | 1.544/56.11 | 0.0905 |
| S12 | Aspheric surface | 2.1394 | 0.1697 | -- | -21.5911 |
| S13 | Sphere | Infinite | 0.2264 | 1.517/64.17 | -- |
| S14 | Sphere | Infinite | 0.5874 | -- | -- |
| S15 | Sphere | Infinite | -- | -- | -- |
Table 2
In addition, f1=3.15mm; F2=-8.39mm; F3=-31.52mm; F4=5.29mm; F5=21.91mm; F6=-3.10mm and f=4.30mm; TTL=5.12mm; Fno=2.2.
Embodiment 2
Incorporated by reference to Fig. 5 ~ Fig. 8, in embodiment 2, micro pick-up lens meets the condition of table 3 and table 4 below:
Table 3
| Surface number | Surface type | Radius-of-curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Sphere | Infinite | Infinite | -- | -- |
| STO | Sphere | Infinite | -0.2617 | -- | -- |
| S1 | Aspheric surface | 1.5089 | 0.6194 | 1.544/56.11 | -0.8295 |
| S2 | Aspheric surface | 7.7270 | 0.0459 | -- | 7.2985 |
| S3 | Aspheric surface | 5.7619 | 0.2300 | 1.651/21.52 | -30.6693 |
| S4 | Aspheric surface | 3.2149 | 0.3765 | -- | 0.6121 |
| S5 | Aspheric surface | -8.0512 | 0.5689 | 1.544/56.11 | 54.6544 |
| S6 | Aspheric surface | -15.5462 | 0.1338 | -- | 93.5856 |
| S7 | Sphere | -3.2618 | 0.3982 | 1.544/56.11 | 0 |
| S8 | Aspheric surface | -1.4580 | 0.1643 | -- | -7.4052 |
| S9 | Aspheric surface | 16.6889 | 0.4519 | 1.651/21.52 | -99.9900 |
| S10 | Aspheric surface | -22.8382 | 0.2695 | -- | 94.1167 |
| S11 | Aspheric surface | -7.1016 | 0.3300 | 1.544/56.11 | -9.5850 |
| S12 | Aspheric surface | 2.0745 | 0.1697 | -- | -16.5872 |
| S13 | Sphere | Infinite | 0.2264 | 1.517/64.17 | -- |
| S14 | Sphere | Infinite | 0.6155 | -- | -- |
| S15 | Sphere | Infinite | -- | -- | -- |
Table 4
In addition, f1=3.32mm; F2=-11.49mm; F3=-31.43mm; F4=4.48mm; F5=14.76mm; F6=-2.90mm and f=3.77mm; TTL=4.60mm; Fno=2.2.
Embodiment 3
Incorporated by reference to Fig. 9 ~ Figure 12, in embodiment 3, micro pick-up lens meets the condition of table 5 and table 6 below:
Table 5
| Surface number | Surface type | Radius-of-curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Sphere | Infinite | Infinite | -- | -- |
| STO | Sphere | Infinite | -0.2499 | -- | -- |
| S1 | Aspheric surface | 1.4511 | 0.4859 | 1.544/56.11 | -0.8037 |
| S2 | Aspheric surface | 9.4881 | 0.0424 | -- | 15.9464 |
| S3 | Aspheric surface | 7.1810 | 0.2500 | 1.651/21.52 | -26.6219 |
| S4 | Aspheric surface | 2.9917 | 0.3569 | -- | -0.9657 |
| S5 | Aspheric surface | -8.8916 | 0.3000 | 1.651/21.52 | 98.9670 |
| S6 | Aspheric surface | -13.3906 | 0.1063 | -- | 99.6578 |
| S7 | Aspheric surface | -181.8817 | 0.4000 | 1.544/56.11 | -94.1139 |
| S8 | Aspheric surface | 55.7473 | 0.2654 | -- | -14.3488 |
| S9 | Aspheric surface | 50.7127 | 0.5407 | 1.544/56.11 | -28.4893 |
| S10 | Aspheric surface | -1.1866 | 0.3684 | -- | -6.6835 |
| S11 | Aspheric surface | -1.8262 | 0.3600 | 1.544/56.11 | -10.6267 |
| S12 | Aspheric surface | 2.1796 | 0.1621 | -- | -28.6174 |
| S13 | Sphere | Infinite | 0.2142 | 1.517/64.17 | -- |
| S14 | Sphere | Infinite | 0.6327 | -- | -- |
| S15 | Sphere | Infinite | -- | -- | -- |
Table 6
In addition, f1=3.07mm; F2=-8.0mm; F3=-41.41mm; F4=-78.11mm; F5=2.13mm; F6=-1.76mm and f=3.71mm; TTL=4.48mm; Fno=2.2.
Embodiment 4
Incorporated by reference to Figure 13 ~ Figure 16, in embodiment 4, micro pick-up lens meets the condition of table 7 and table 8 below:
Table 7
| Surface number | Surface type | Radius-of-curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Sphere | Infinite | Infinite | -- | -- |
| STO | Sphere | Infinite | -0.2379 | -- | -- |
| S1 | Aspheric surface | 1.4009 | 0.6546 | 1.544/56.11 | -0.9422 |
| S2 | Aspheric surface | 5.8567 | 0.0360 | -- | -94.5525 |
| S3 | Aspheric surface | 5.7086 | 0.2500 | 1.651/21.52 | -66.3687 |
| S4 | Aspheric surface | 3.2093 | 0.4374 | -- | 5.5452 |
| S5 | Aspheric surface | -9.1175 | 0.4162 | 1.544/56.11 | 58.4355 |
| S6 | Aspheric surface | -11.3801 | 0.1318 | -- | 84.7882 |
| S7 | Sphere | -2.4966 | 0.4000 | 1.544/56.11 | 0 |
| S8 | Aspheric surface | -1.3216 | 0.1457 | -- | -7.9932 |
| S9 | Aspheric surface | Infinite | 0.4159 | 1.651/21.52 | -18.6855 |
| S10 | Aspheric surface | -526.2110 | 0.2699 | -- | -11.5382 |
| S11 | Aspheric surface | -7.2888 | 0.3715 | 1.544/56.11 | -3.5773 |
| S12 | Aspheric surface | 2.4097 | 0.1543 | -- | -25.5868 |
| S13 | Sphere | Infinite | 0.2058 | 1.517/64.17 | -- |
| S14 | Sphere | Infinite | 0.5926 | -- | -- |
| S15 | Sphere | Infinite | -- | -- | -- |
Table 8
In addition, f1=3.21mm; F2=-11.63mm; F3=-89.83mm; F4=4.59mm; F5=801.7mm; F6=-3.27mm and f=3.82mm; TTL=4.48mm; Fno=2.2.
Embodiment 5
Incorporated by reference to Figure 17 ~ Figure 20, in embodiment 5, micro pick-up lens meets the condition of table 9 and table 10 below:
Table 9
| Surface number | Surface type | Radius-of-curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Sphere | Infinite | Infinite | -- | -- |
| STO | Sphere | Infinite | -0.2379 | -- | -- |
| S1 | Aspheric surface | 1.4009 | 0.6546 | 1.544/56.11 | -0.9422 |
| S2 | Aspheric surface | 5.8567 | 0.0360 | -- | -94.5525 |
| S3 | Aspheric surface | 5.7086 | 0.2500 | 1.651/21.52 | -66.3687 |
| S4 | Aspheric surface | 3.2093 | 0.4374 | -- | 5.5452 |
| S5 | Aspheric surface | -9.1175 | 0.4162 | 1.544/56.11 | 58.4355 |
| S6 | Aspheric surface | -11.3801 | 0.1318 | -- | 84.7882 |
| S7 | Sphere | -2.4966 | 0.4000 | 1.544/56.11 | 0 |
| S8 | Aspheric surface | -1.3216 | 0.1457 | -- | -7.9932 |
| S9 | Aspheric surface | 728.0209 | 0.4159 | 1.651/21.52 | -18.6855 |
| S10 | Aspheric surface | -526.2110 | 0.2699 | -- | -11.5382 |
| S11 | Aspheric surface | -7.2888 | 0.3715 | 1.544/56.11 | -3.5773 |
| S12 | Aspheric surface | 2.4097 | 0.1543 | -- | -25.5868 |
| S13 | Sphere | Infinite | 0.2058 | 1.517/64.17 | -- |
| S14 | Sphere | Infinite | 0.5926 | -- | -- |
| S15 | Sphere | Infinite | -- | -- | -- |
Table 10
In addition, f1=3.21mm; F2=-11.63mm; F3=-89.83mm; F4=4.59mm; F5=465.41mm; F6=-3.27mm and f=3.81mm; TTL=4.48mm; Fno=2.2.
Embodiment 6
Incorporated by reference to Figure 21 ~ Figure 24, in embodiment 6, micro pick-up lens meets the condition of table 11 and table 12 below:
Table 11
| Surface number | Surface type | Radius-of-curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Sphere | Infinite | Infinite | -- | -- |
| STO | Sphere | Infinite | -0.2379 | -- | -- |
| S1 | Aspheric surface | 1.4608 | 0.7213 | 1.544/56.11 | -1.0041 |
| S2 | Aspheric surface | 10.9085 | 0.0472 | -- | -46.6786 |
| S3 | Aspheric surface | 10.2457 | 0.2300 | 1.651/21.52 | -16.1199 |
| S4 | Aspheric surface | 3.6649 | 0.4208 | -- | 4.8879 |
| S5 | Aspheric surface | -8.6013 | 0.4819 | 1.544/56.11 | 58.8129 |
| S6 | Aspheric surface | -13.2357 | 0.1338 | -- | 89.5142 |
| S7 | Sphere | -2.4921 | 0.3300 | 1.544/56.11 | 0 |
| S8 | Aspheric surface | -1.3723 | 0.1659 | -- | -7.7016 |
| S9 | Aspheric surface | 152.3362 | 0.4604 | 1.651/21.52 | -18.6855 |
| S10 | Aspheric surface | -21.2372 | 0.2359 | -- | -11.5382 |
| S11 | Aspheric surface | -6.4141 | 0.4200 | 1.544/56.11 | -3.5773 |
| S12 | Aspheric surface | 2.3180 | 0.1543 | -- | -25.5868 |
| S13 | Sphere | Infinite | 0.2058 | 1.517/64.17 | -- |
| S14 | Sphere | Infinite | 0.5925 | -- | -- |
| S15 | Sphere | Infinite | -- | -- | -- |
Table 12
In addition, f1=3.01mm; F2=-8.82mm; F3=-46.71mm; F4=5.07mm; F5=28.43mm; F6=-3.07mm and f=3.90mm; TTL=4.60mm; Fno=2.2.
Embodiment 7
Incorporated by reference to Figure 25 ~ Figure 28, in embodiment 7, micro pick-up lens meets the condition of table 13 and table 14 below:
Table 13
| Surface number | Surface type | Radius-of-curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Sphere | Infinite | Infinite | -- | -- |
| STO | Sphere | Infinite | -0.2617 | -- | -- |
| S1 | Aspheric surface | 1.6648 | 0.8245 | 1.544/56.11 | -1.0539 |
| S2 | Aspheric surface | 28.3709 | 0.0366 | -- | -99.9900 |
| S3 | Aspheric surface | 8.1376 | 0.2300 | 1.651/21.52 | -70.5280 |
| S4 | Aspheric surface | 3.1391 | 0.4250 | -- | -3.1182 |
| S5 | Aspheric surface | -10.9821 | 0.5687 | 1.544/56.11 | 49.0623 |
| S6 | Aspheric surface | -31.8154 | 0.1209 | -- | 28.2434 |
| S7 | Sphere | -3.7269 | 0.3944 | 1.544/56.11 | 0 |
| S8 | Aspheric surface | -1.6986 | 0.1578 | -- | -8.5881 |
| S9 | Aspheric surface | 9.8994 | 0.6296 | 1.544/56.11 | -63.7885 |
| S10 | Aspheric surface | -37.6910 | 0.2870 | -- | 42.2758 |
| S11 | Aspheric surface | -6.6560 | 0.3300 | 1.544/56.11 | 1.9279 |
| S12 | Aspheric surface | 2.4771 | 0.1697 | -- | -24.5806 |
| S13 | Sphere | Infinite | 0.2264 | 1.517/64.17 | -- |
| S14 | Sphere | Infinite | 0.5694 | -- | -- |
| S15 | Sphere | Infinite | -- | -- | -- |
Table 14
In addition, f1=3.20mm; F2=-7.93mm; F3=-31.02mm; F4=5.35mm; F5=14.43mm; F6=-3.27mm and f=4.02mm; TTL=4.97mm; Fno=2.2.
Embodiment 8
Incorporated by reference to Figure 29 ~ Figure 32, in embodiment 8, micro pick-up lens meets the condition of table 15 and table 16 below:
Table 15
| Surface number | Surface type | Radius-of-curvature | Thickness | Refractive index/Abbe number | Circular cone coefficient |
| OBJ | Sphere | Infinite | Infinite | -- | -- |
| STO | Sphere | Infinite | -0.2617 | -- | -- |
| S1 | Aspheric surface | 1.5257 | 0.7472 | 1.544/56.11 | -0.8873 |
| S2 | Aspheric surface | 10.7089 | 0.0435 | -- | -10.4172 |
| S3 | Aspheric surface | 7.1032 | 0.2281 | 1.651/21.52 | -49.8736 |
| S4 | Aspheric surface | 3.2100 | 0.3793 | -- | 1.0332 |
| S5 | Aspheric surface | -9.8521 | 0.4067 | 1.544/56.11 | 59.7356 |
| S6 | Aspheric surface | -12.8314 | 0.1356 | -- | 68.7265 |
| S7 | Sphere | -2.9647 | 0.3782 | 1.544/56.11 | 0 |
| S8 | Aspheric surface | -1.4799 | 0.1531 | -- | -7.9982 |
| S9 | Aspheric surface | 14.3862 | 0.4031 | 1.651/21.52 | -99.7597 |
| S10 | Aspheric surface | -372.0868 | 0.3061 | -- | 67.0355 |
| S11 | Aspheric surface | -7.5241 | 0.3280 | 1.544/56.11 | -2.8838 |
| S12 | Aspheric surface | 2.2048 | 0.1697 | -- | -25.1017 |
| S13 | Sphere | Infinite | 0.2100 | 1.517/64.17 | -- |
| S14 | Sphere | Infinite | 0.6000 | -- | -- |
| S15 | Sphere | Infinite | -- | -- | -- |
Table 16
In addition, f1=3.17mm; F2=-9.13mm; F3=-81.66mm; F4=4.97mm; F5=21.11mm; F6=-3.09mm and f=3.82mm; TTL=4.46mm; Fno=2.2.
In embodiment 1 ~ 8, each conditional meets the condition of form below:
| Formula embodiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| (f1+f2)/f | -1.22 | -2.17 | -1.33 | -2.21 | -2.21 | -1.49 | -1.18 | -1.56 |
| ET5min/CT5 | 0.95 | 0.90 | 0.67 | 0.95 | 0.95 | 0.94 | 0.92 | 0.90 |
| T23/T34 | 3.84 | 2.81 | 3.36 | 3.32 | 3.32 | 3.14 | 3.51 | 2.80 |
| f/R12 | 2.01 | 1.82 | 1.70 | 1.58 | 1.58 | 1.68 | 1.62 | 1.73 |
| T56/Dr9r12 | 0.19 | 0.26 | 0.29 | 0.26 | 0.26 | 0.21 | 0.23 | 0.30 |
| TTL/ImgH | 1.55 | 1.40 | 1.36 | 1.37 | 1.37 | 1.40 | 1.51 | 1.36 |
| f/f5 | 0.20 | 0.26 | 1.74 | 0.005 | 0.01 | 0.14 | 0.28 | 0.18 |
| f/f6 | -1.38 | -1.30 | -2.10 | -1.17 | -1.16 | -1.27 | -1.23 | -1.24 |
| f/R10 | -0.47 | -0.17 | -3.13 | -0.01 | -0.01 | -0.18 | -0.11 | -0.01 |
It should be noted that, due in embodiment 3, the thing side S7 of the 4th lens E4 is aspheric surface, and the comparison in difference of its focal power numerical value and other embodiment is large, and therefore, the numerical range that conditional f/f5, f/f6 and f/R10 limit is not suitable for embodiment 3.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with described embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (9)
1. a micro pick-up lens, is characterized in that, is comprised successively to image side by thing side:
There are the first lens of positive refracting power;
Have the second lens of negative refracting power, the thing side of these the second lens is convex surface, and the face, image side of these the second lens is concave surface;
Have the 3rd lens of negative refracting power, the thing side of the 3rd lens is concave surface, and the face, image side of the 3rd lens is convex surface;
Have the 4th lens of refracting power, the thing side of the 4th lens is concave surface;
Have the 5th lens of positive refracting power, the face, image side of the 5th lens is convex surface at paraxial place;
Have the 6th lens of negative refracting power, the thing side of the 6th lens is concave surface at paraxial place, and the face, image side of the 6th lens is concave surface at paraxial place;
This micro pick-up lens meets following relationship:
-2.5<(f1+f2)/f<-1.0；
0.65≦ET5min/CT5≦0.95；
Wherein, f is the effective focal length of this micro pick-up lens, and f1 is the effective focal length of these the first lens, and f2 is the effective focal length of these the second lens; ET5min is the minimum edge edge thickness of the 5th lens, and CT5 is the center thickness of the 5th lens.
2. micro pick-up lens as claimed in claim 1, it is characterized in that, this micro pick-up lens meets following relationship:
2.7<T23/T34<4.0；
Wherein, T23 is spacing on the axle between these second lens and the 3rd lens, and T34 is spacing on the axle between the 3rd lens and the 4th lens.
3. micro pick-up lens as claimed in claim 1, it is characterized in that, this micro pick-up lens meets following relationship:
1.3<f/R12<2.1；
Wherein, R12 is the radius-of-curvature in the face, image side of the 6th lens.
4. micro pick-up lens as claimed in claim 1, it is characterized in that, this micro pick-up lens meets following relationship:
0.15<T56/Dr9r12<0.35；
Wherein, T56 is spacing on the axle between the 5th lens and the 6th lens, Dr9r12 be thing side to the face, image side of the 6th lens of the 5th lens axle on spacing.
5. micro pick-up lens as claimed in claim 1, it is characterized in that, this micro pick-up lens meets following relationship:
TTL/ImgH≦1.6；
Wherein, TTL is the lens overall length of this micro pick-up lens, and ImgH is the half of the diagonal line length of effective pixel area on imaging surface.
6. micro pick-up lens as claimed in claim 1, it is characterized in that, the thing side of the 4th lens is sphere.
7. micro pick-up lens as claimed in claim 6, it is characterized in that, this micro pick-up lens meets following relationship:
0<f/f5<0.4；
-1.45<f/f6<0；
Wherein, f5 is the effective focal length of the 5th lens, and f6 is the effective focal length of the 6th lens.
8. micro pick-up lens as claimed in claim 6, it is characterized in that, this micro pick-up lens meets following relationship:
-10<f/R10<0；
Wherein, R10 is the radius-of-curvature in the face, image side of the 5th lens.
9. the micro pick-up lens according to any one of claim 1 ~ 8, is characterized in that, the thing side of these the first lens is convex surface, and the face, image side of these the first lens is concave surface.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510596138.7A CN105116517A (en) | 2015-09-17 | 2015-09-17 | Miniature camera lens |
| CN201520974899.7U CN205485012U (en) | 2015-09-17 | 2015-11-30 | Miniature pickup lens |
| CN201510861978.1A CN105259643B (en) | 2015-09-17 | 2015-11-30 | Micro pick-up lens |
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| CN201510596138.7A CN105116517A (en) | 2015-09-17 | 2015-09-17 | Miniature camera lens |
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| CN201520974899.7U Withdrawn - After Issue CN205485012U (en) | 2015-09-17 | 2015-11-30 | Miniature pickup lens |
| CN201510861978.1A Active CN105259643B (en) | 2015-09-17 | 2015-11-30 | Micro pick-up lens |
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| CN201520974899.7U Withdrawn - After Issue CN205485012U (en) | 2015-09-17 | 2015-11-30 | Miniature pickup lens |
| CN201510861978.1A Active CN105259643B (en) | 2015-09-17 | 2015-11-30 | Micro pick-up lens |
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| CN109116513A (en) * | 2017-06-23 | 2019-01-01 | 富晋精密工业（晋城）有限公司 | Optical lens mould group |
| JP2020021055A (en) * | 2018-08-02 | 2020-02-06 | エーエーシーアコースティックテクノロジーズ（シンセン）カンパニーリミテッドＡＡＣ Ａｃｏｕｓｔｉｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ（Ｓｈｅｎｚｈｅｎ）Ｃｏ．，Ｌｔｄ | Image capturing optical lens |
| JP2020109472A (en) * | 2018-12-31 | 2020-07-16 | エーエーシー テクノロジーズ ピーティーイー リミテッド | Imaging optical lens |
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| CN105116517A (en) * | 2015-09-17 | 2015-12-02 | 浙江舜宇光学有限公司 | Miniature camera lens |
| CN108398769B (en) * | 2018-05-30 | 2019-10-25 | 广东旭业光电科技股份有限公司 | Optical imaging lens |
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| JP4914999B2 (en) * | 2007-04-11 | 2012-04-11 | ペンタックスリコーイメージング株式会社 | Telephoto lens system |
| TWI412781B (en) * | 2010-02-02 | 2013-10-21 | Hon Hai Prec Ind Co Ltd | Imaging module |
| JP5698872B2 (en) * | 2012-07-04 | 2015-04-08 | 富士フイルム株式会社 | Imaging lens and imaging device provided with imaging lens |
| KR101989157B1 (en) * | 2012-12-31 | 2019-09-30 | 삼성전자주식회사 | Photographing lens and photographing apparatus |
| CN105116517A (en) * | 2015-09-17 | 2015-12-02 | 浙江舜宇光学有限公司 | Miniature camera lens |
-
2015
- 2015-09-17 CN CN201510596138.7A patent/CN105116517A/en active Pending
- 2015-11-30 CN CN201520974899.7U patent/CN205485012U/en not_active Withdrawn - After Issue
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109116513A (en) * | 2017-06-23 | 2019-01-01 | 富晋精密工业（晋城）有限公司 | Optical lens mould group |
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| JP2020109472A (en) * | 2018-12-31 | 2020-07-16 | エーエーシー テクノロジーズ ピーティーイー リミテッド | Imaging optical lens |
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| JP2021135487A (en) * | 2020-02-24 | 2021-09-13 | エーエーシー オプティクス （チャンジョウ）カンパニーリミテッド | Imaging optical lens |
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| CN115480373A (en) * | 2022-08-25 | 2022-12-16 | 江西晶超光学有限公司 | Optical lens, camera module and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN205485012U (en) | 2016-08-17 |
| CN105259643B (en) | 2017-08-11 |
| CN105259643A (en) | 2016-01-20 |
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