CN106154487B - Optical lens, image-taking device and electronic device - Google Patents

Optical lens, image-taking device and electronic device Download PDF

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Publication number
CN106154487B
CN106154487B CN201510153031.5A CN201510153031A CN106154487B CN 106154487 B CN106154487 B CN 106154487B CN 201510153031 A CN201510153031 A CN 201510153031A CN 106154487 B CN106154487 B CN 106154487B
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lens
optical
axis
refracting power
focal length
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CN106154487A (en
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林振诚
陈纬彧
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Largan Precision Co Ltd
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Largan Precision Co Ltd
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Abstract

The invention discloses a kind of optical lens, image-taking device and electronic devices.Optical lens sequentially includes the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens by object side to image side.First lens have negative refracting power, are concave surface at the dipped beam axis of image side surface.Second lens have refracting power.The third lens have positive refracting power.4th lens have positive refracting power, are convex surface at the dipped beam axis of image side surface, two surfaces are all aspherical.5th lens have negative refracting power, and for concave surface and its off-axis place includes an at least convex surface at the dipped beam axis of image side surface, two surfaces are all aspherical.6th lens have refracting power, and for concave surface and its off-axis place includes an at least convex surface at the dipped beam axis of image side surface, two surfaces are all aspherical.When a specific condition is satisfied, the susceptibility of optical lens can be reduced, and expands its visual angle.

Description

Optical lens, image-taking device and electronic device
Technical field
The invention relates to a kind of optical lens and image-taking devices, and apply in particular to a kind of in electronic device On miniaturized optical camera lens and image-taking device.
Background technique
In recent years, with the rise of the electronic product with camera function, the demand of optical system is increasingly improved.General light The photosensitive element of system is nothing more than being photosensitive coupling element (Charge Coupled Device, CCD) or complementary gold oxide Belong to two kinds of semiconductor element (Complementary Metal-Oxide Semiconductor Sensor, CMOS Sensor), And progressing greatly with manufacture of semiconductor technology, so that the Pixel Dimensions of photosensitive element reduce, optical system is gradually led toward high pixel Domain development, therefore the requirement to image quality also increasingly increases.
Tradition is equipped on the optical system on electronic product and mostly uses based on four or five chip lens arrangements, but due to intelligence Prevailing, the drive optical system of the high standards mobile device such as energy mobile phone (Smart Phone) and tablet computer (Tablet PC) Rapid on pixel and image quality rises, it is known that optical system will be unable to the camera chain for meeting higher order.
Electronic product is towards toward lightening in recent years, therefore the image-taking device arranged in pairs or groups also needs corresponding miniaturization, however known Optical lens is but difficult to have both the demand at big visual angle Yu short overall length, therefore, it is difficult to be equipped on frivolous electronic device (such as mobile phone, Portable apparatus etc.), though the six chip optical systems that make further progress at present can not have both extensively because of the configuration of its lens Under the feature of visual angle and miniaturization, aberration and the more appropriate configuration of relative illumination are obtained, and then influence image quality.
Summary of the invention
The present invention provides a kind of optical lens, image-taking device and electronic device, passes through the configuration of lens in optical lens Mode can make the image-taking device for having both wide viewing angle and miniaturization obtain aberration and the more appropriate configuration of relative illumination, and compared with It is easy to get the better suited configuration of lens shape.
A kind of optical lens is provided according to the present invention, sequentially includes the first lens, the second lens, third by object side to image side Lens, the 4th lens, the 5th lens and the 6th lens.First lens have negative refracting power, are at the dipped beam axis of image side surface Concave surface.Second lens have refracting power.The third lens have positive refracting power.4th lens have positive refracting power, image side surface It is convex surface at dipped beam axis, object side surface and image side surface are all aspherical.5th lens have negative refracting power, image side surface It is concave surface at dipped beam axis, image side surface is located off axis comprising an at least convex surface, and object side surface and image side surface are all aspherical. 6th lens have refracting power, are concave surface at the dipped beam axis of image side surface, and image side surface is located off axis comprising an at least convex surface, Object side surface and image side surface are all aspherical.Lens in optical lens with refracting power are six, and appoint two adjacent tools Having all has a spacing distance between the lens of refracting power.The focal length of first lens is f1, and the focal length of the second lens is f2, and first thoroughly Mirror and the second lens are T12 in the spacing distance on optical axis, and the second lens and the third lens are in the spacing distance on optical axis T23 meets following condition:
-0.20<|f1|/f2<1.50;And
1.0<T12/T23。
A kind of image-taking device is more provided according to the present invention, includes the photosensitive member of optical lens and electronics as mentioned in the previous paragraph Part, wherein electronics photosensitive element is set to the imaging surface of optical lens.
A kind of electronic device is separately provided according to the present invention, includes image-taking device as mentioned in the previous paragraph.
A kind of optical lens is provided again according to the present invention, sequentially includes the first lens, the second lens, by object side to image side Three lens, the 4th lens, the 5th lens and the 6th lens.First lens have negative refracting power, at the dipped beam axis of image side surface For concave surface.Second lens have refracting power.The third lens have positive refracting power.4th lens have positive refracting power, image side table It is convex surface at the dipped beam axis of face, object side surface and image side surface are all aspherical.5th lens have negative refracting power, image side table It is concave surface at the dipped beam axis of face, object side surface and image side surface are all aspherical.6th lens have positive refracting power, object side table It is convex surface at the dipped beam axis of face, is concave surface at the dipped beam axis of image side surface, image side surface is located off axis comprising an at least convex surface, object Side surface and image side surface are all aspherical.Lens in optical lens with refracting power are six, and appoint and two adjacent have All there is a spacing distance between the lens of refracting power.The focal length of first lens is f1, and the focal length of the second lens is f2, the 4th lens Focal length be f4, the focal length of the 6th lens be f6, the first lens and the second lens in the spacing distance on optical axis be T12, second Lens and the third lens are T23 in the spacing distance on optical axis, meet following condition:
-1.50<|f1|/f2<4.0;
1.0<T12/T23;And
0<f6/f4<4.0。
A kind of image-taking device is more provided according to the present invention, includes the photosensitive member of optical lens and electronics as mentioned in the previous paragraph Part, wherein electronics photosensitive element is set to the imaging surface of optical lens.
A kind of electronic device is provided again according to the present invention, includes image-taking device as mentioned in the previous paragraph.
As | f1 |/f2 meets above-mentioned condition, can first lens of regulation appropriate and the second lens refracting power configuration, can drop Low optical camera lens and is conducive to expand its visual angle, and be conducive to for the face precision isosensitivity of the first lens and the second lens Production.
When T12/T23 meets above-mentioned condition, with more enough spaces between the first lens and the second lens, in assembling It avoids generating collision between the first lens and the second lens or the second lens and the third lens, can more efficiently use microscope group space, To realize wide viewing angle and miniaturization, good image quality is made it have.
When f6/f4 meets above-mentioned condition, the refracting power configuration of optical lens helps to shorten total length, maintains its small-sized Change.
Detailed description of the invention
Fig. 1 is painted a kind of schematic diagram of image-taking device according to first embodiment of the invention;
Fig. 2 is sequentially spherical aberration, astigmatism and the distortion curve graph of first embodiment from left to right;
Fig. 3 is painted a kind of schematic diagram of image-taking device according to second embodiment of the invention;
Fig. 4 is sequentially spherical aberration, astigmatism and the distortion curve graph of second embodiment from left to right;
Fig. 5 is painted a kind of schematic diagram of image-taking device according to third embodiment of the invention;
Fig. 6 is sequentially spherical aberration, astigmatism and the distortion curve graph of 3rd embodiment from left to right;
Fig. 7 is painted a kind of schematic diagram of image-taking device according to fourth embodiment of the invention;
Fig. 8 is sequentially spherical aberration, astigmatism and the distortion curve graph of fourth embodiment from left to right;
Fig. 9 is painted a kind of schematic diagram of image-taking device according to fifth embodiment of the invention;
Figure 10 is sequentially spherical aberration, astigmatism and the distortion curve graph of the 5th embodiment from left to right;
Figure 11 is painted a kind of schematic diagram of image-taking device according to sixth embodiment of the invention;
Figure 12 is sequentially spherical aberration, astigmatism and the distortion curve graph of sixth embodiment from left to right;
Figure 13 is painted a kind of schematic diagram of image-taking device according to seventh embodiment of the invention;
Figure 14 is sequentially spherical aberration, astigmatism and the distortion curve graph of the 7th embodiment from left to right;
Figure 15 is painted the schematic diagram according to parameter Sag52 in Fig. 1 first embodiment;
Figure 16 is painted a kind of schematic diagram of electronic device according to eighth embodiment of the invention;
Figure 17 is painted a kind of schematic diagram of electronic device according to ninth embodiment of the invention;And
Figure 18 is painted a kind of schematic diagram of electronic device according to tenth embodiment of the invention.
[symbol description]
Electronic device: 10,20,30
Image-taking device: 11,21,31
Aperture: 100,200,300,400,500,600,700
First lens: 110,210,310,410,510,610,710
Object side surface: 111,211,311,411,511,611,711
Image side surface: 112,212,312,412,512,612,712
Second lens: 120,220,320,420,520,620,720
Object side surface: 121,221,321,421,521,621,721
Image side surface: 122,222,322,422,522,622,722
The third lens: 130,230,330,430,530,630,730
Object side surface: 131,231,331,431,531,631,731
Image side surface: 132,232,332,432,532,632,732
4th lens: 140,240,340,440,540,640,740
Object side surface: 141,241,341,441,541,641,741
Image side surface: 142,242,342,442,542,642,742
5th lens: 150,250,350,450,550,650,750
Object side surface: 151,251,351,451,551,651,751
Image side surface: 152,252,352,452,552,652,752
6th lens: 160,260,360,460,560,660,760
Object side surface: 161,261,361,461,561,661,761
Image side surface: 162,262,362,462,562,662,762
Infrared ray filters out filter element: 170,270,370,470,570,670,770
Imaging surface: 180,280,380,480,580,680,780
Electronics photosensitive element: 190,290,390,490,590,690,790
F: the focal length of optical lens
Fno: the f-number of optical lens
HFOV: the half at maximum visual angle in optical lens
The refractive index of N1: the first lens
The refractive index of N2: the second lens
N3: the refractive index of the third lens
The refractive index of N4: the four lens
The refractive index of N5: the five lens
The refractive index of N6: the six lens
The maximum in Nmax:N1, N2, N3, N4, N5 and N6
T12: the first lens and the second lens are in the spacing distance on optical axis
T23: the second lens and the third lens are in the spacing distance on optical axis
T34: the third lens and the 4th lens are in the spacing distance on optical axis
T45: the four lens and the 5th lens are in the spacing distance on optical axis
T56: the five lens and the 6th lens are in the spacing distance on optical axis
TL: the first lens object side surface is to imaging surface in the distance on optical axis
CT1: the first lens are in the thickness on optical axis
CT2: the second lens are in the thickness on optical axis
CT3: the third lens are in the thickness on optical axis
CT4: the four lens are in the thickness on optical axis
CT5: the five lens are in the thickness on optical axis
CT6: the six lens are in the thickness on optical axis
Intersection point of Sag52: the five lens image side surface on optical axis to the 5th lens image side surface maximum effective radius Position is in the horizontal displacement of optical axis
The radius of curvature of R11: the six lens object side surface
The focal length of f1: the first lens
The focal length of f2: the second lens
F3: the focal length of the third lens
The focal length of f4: the four lens
The focal length of f5: the five lens
The focal length of f6: the six lens
Specific embodiment
A kind of optical lens, by object side to image side sequentially include the first lens, the second lens, the third lens, the 4th lens, 5th lens and the 6th lens, wherein the lens in optical lens with refracting power are six, and are appointed two adjacent in the wrong All there is a spacing distance between the lens of folding power.
The first lens, the second lens, the third lens, the 4th lens, the 5th lens and of optical lens described in leading portion In six lens, can all have a spacing distance between two adjacent lens with refracting power;That is, optical lens has Six single unbonded lens.Due to the more non-adhering lens complexity of the processing procedure of cemented lens, the especially adhesive surface in two lens The curved surface of high accuracy need to be possessed, to reach the high adaptation when bonding of two lens, and during bonding, it is also possible to because partially Position and cause adaptation bad, influence whole optical imagery quality.Therefore, in optical lens of the present invention, appointing two adjacent has The problem that all there is a spacing distance between the lens of refracting power, cemented lens can be effectively improved.
First lens have negative refracting power, are concave surface at the dipped beam axis of image side surface.Whereby, optical lens can effectively be expanded Visual angle increases the range of image capture.
Second lens can have a positive refracting power, can be convex surface at the dipped beam axis of object side surface, at the dipped beam axis of image side surface It can be concave surface.Whereby, it is possible to provide the positive refracting power of optical lens helps amendment astigmatism to promote image quality, and helps to shorten The total length of optical lens.
There is the third lens positive refracting power can further shorten the effect of optical lens total length whereby, maintain its small-sized Change.
4th lens have positive refracting power, can be convex surface at the dipped beam axis of object side surface, place can wrap off axis for object side surface It is convex surface at the dipped beam axis of image side surface containing an at least concave surface.Whereby, the susceptibility of optical lens can be reduced, and can be effectively The angle for suppressing off-axis field rays incidence promotes the response efficiency of electronics photosensitive element.
5th lens have negative refracting power, are concave surface at the dipped beam axis of image side surface, the off-axis place in image side surface may include An at least convex surface.Whereby, the aberration located at optical lens dipped beam axis and off axis can be corrected, effectively promotion image quality.
6th lens can have a positive refracting power, can be convex surface at the dipped beam axis of object side surface, at the dipped beam axis of image side surface For concave surface, image side surface is located off axis comprising an at least convex surface.Whereby, the principal point (Principal of optical lens can be made Point) far from image side end, be conducive to shorten its back focal length to maintain to minimize, and can aberration effectively at modified off-axis, into one Step promotes whole image quality.
The focal length of first lens is f1, and the focal lengths of the second lens is f2, meets following condition: -1.50 < | f1 |/f2 < 4.0.Whereby, can the refracting powers of first lens of regulation appropriate and the second lens configure, it is saturating for first that optical lens can be reduced The face precision isosensitivity of mirror and the second lens, and be conducive to expand its visual angle, and be conducive to make.Preferably, under can meeting Column condition: -0.70 < | f1 |/f2 < 1.80.More preferably, it can meet following condition: -0.20 < | f1 |/f2 < 1.50.More preferably, may be used Meet following condition again: -0.20 < | f1 |/f2 < 1.0.
First lens and the second lens are T12 in the spacing distance on optical axis, and the second lens and the third lens are on optical axis Spacing distance be T23, meet following condition: 1.0 < T12/T23.Whereby, between the first lens and the second lens have compared with Enough spaces avoid generating collision between the first lens and the second lens or the second lens and the third lens in assembling, more may be used To efficiently use microscope group space, to realize wide viewing angle and miniaturization, good image quality is made it have.Preferably, can meet Following condition: 1.40 < T12/T23.
The focal length of 4th lens is f4, and the focal length of the 6th lens is f6, meets following condition: 0 < f6/f4 < 4.0.It borrows This, the refracting power configuration of optical lens helps to shorten total length, maintains its miniaturization.
The half at maximum visual angle is HFOV in optical lens, and the first lens object side surface to imaging surface is in the distance on optical axis For TL, meet following condition: 1.30 < tan (HFOV);And TL/sin (HFOV × 1.6) < 7.0mm.Whereby, make optical frames Head can more show the features such as big visual angle and short overall length, effectively maintain its miniaturization.
First lens and the second lens are T12 in the spacing distance on optical axis, and the third lens and the 4th lens are on optical axis Spacing distance be T34, the 4th lens and the 5th lens in the spacing distance on optical axis be T45, the 5th lens and the 6th lens It is T56 in the spacing distance on optical axis, meets following condition: 1.25 < T12/ (T34+T45+T56) < 4.0.Whereby, be conducive to Improve and be set to the tightness of eyeglass between aperture and imaging surface, can when avoiding assembling because eyeglass with each other away from too big due to need between The elements such as spacer ring (Spacer) auxiliary, is conducive to the close-packed arrays of microscope group.
First lens are in, with a thickness of CT1, the second lens are in, with a thickness of CT2, the third lens are in light on optical axis on optical axis On axis with a thickness of CT3, the 4th lens are in a thickness of CT4, the 6th lens are in, with a thickness of CT6, expiring on optical axis on optical axis Foot column condition: CT1 < CT2;CT1<CT3;CT1<CT4;And CT1 < CT6.Whereby, the manufacture and assembling for facilitating lens, make Optical lens has good image quality.
The focal length of optical lens is f, and the radius of curvature of the 6th lens object side surface is R11, meets following condition: 0 < R11/f<1.40.Whereby, be conducive to make corrections to the aberration that the 5th lens generate, enable the system to obtain more good imaging product Matter.Preferably, following condition: 0 < R11/f < 1.0 can be met.
5th lens on optical axis with a thickness of CT5, intersection point of the 5th lens image side surface on optical axis to the 5th lens The maximum effective radius position on image side surface in optical axis horizontal displacement be Sag52 (horizontal displacement towards image side direction then its Value definition is positive, and the definition of its value is negative if towards object side direction), meet following condition: 4.0 < CT5/ | Sag52 |.Whereby, thoroughly The shape of mirror is suitably conducive to manufacture and form, and reduces and forms undesirable defect.
The refractive index of first lens is N1, and the refractive index of the second lens is N2, and the refractive index of the third lens is N3, and the 4th thoroughly The refractive index of mirror is N4, and the refractive index of the 5th lens is N5, and the refractive index of the 6th lens is N6, wherein N1, N2, N3, N4, N5 and The maximum is Nmax in N6, meets following condition: 1.60 < Nmax < 1.70.Whereby, facilitate the appropriately configured of lens material, The generation of aberration can be effectively reduced.
The focal length of first lens is f1, and the focal length of the second lens is f2, and the focal length of the third lens is f3, the coke of the 4th lens It is f5 away from the focal length for f4, the 5th lens, the focal length of the 6th lens is f6, meet following condition: | f5 | < | f1 |;|f5|<| f2|;|f5|<|f3|;|f5|<|f4|;And | f5 | < | f6 |.Whereby, it configures the refracting power in optical lens appropriate, helps In the amendment of aberration.
In optical lens provided by the invention, the material of lens can be plastic cement or glass.When lens material be plastic cement, can Production cost is effectively reduced.The another material for working as lens is glass, then can increase the freedom degree of optical lens refracting power configuration. In addition, object side surface and image side surface in optical lens can be aspherical (ASP), it is aspherical can be easy to be fabricated to spherical surface with Outer shape obtains more controlled variable, to cut down aberration, and then reduces the number that lens use, therefore can be effective Reduce the total length of optical lens of the present invention.
Furthermore in optical lens provided by the invention, if lens surface is convex surface and does not define the convex surface position, table Show that the lens surface is convex surface at dipped beam axis;If lens surface is concave surface and does not define the concave surface position, then it represents that this is thoroughly Mirror surface is concave surface at dipped beam axis.In optical lens provided by the invention, if lens have positive refracting power or negative refracting power, or It is the focal length of lens, all refers to refracting power or focal length at lens dipped beam axis.
In addition, an at least diaphragm settable on demand helps to be promoted in optical lens of the present invention to reduce stray light Image quality.
The imaging surface of optical lens of the invention can be a flat surface or have according to the difference of its corresponding electronics photosensitive element The curved surface of any curvature particularly relates to concave surface towards the curved surface toward object side direction.
In optical lens of the invention, aperture configuration can for preposition aperture or in set aperture, wherein preposition aperture implies that light Circle is set between object and the first lens, in set aperture then and indicate that aperture is set between the first lens and imaging surface.If aperture For preposition aperture, the outgoing pupil (Exit Pupil) of optical lens and imaging surface can be made to generate longer distance, made it have remote The heart (Telecentric) effect, and the CCD or CMOS that can increase electronics photosensitive element receive the efficiency of image;Light is set if in Circle, facilitates the field angle of expansion system, and optical lens is made to have the advantage of wide-angle lens.
Optical lens of the invention many-sided can also be applied to three-dimensional (3D) image capture, digital camera, mobile product, number Word plate, smart television, network monitoring device, somatic sensation television game machine, automobile data recorder, reversing developing apparatus and wearable product etc. In electronic device.
The present invention provides a kind of image-taking device, includes optical lens above-mentioned and electronics photosensitive element, wherein sense electronics Optical element is set to the imaging surface of optical lens.By lens configuration mode in aforementioned optical camera lens, can make to have both wide viewing angle with The image-taking device of miniaturization obtains aberration and the more appropriate configuration of relative illumination, and is easier to obtain lens shape and is relatively suitble to Configuration.Preferably, image-taking device can further include lens barrel (Barrel Member), support device (Holder Member) Or combinations thereof.
The present invention provides a kind of electronic device, includes image-taking device above-mentioned.Whereby, image quality is promoted.Preferably, electric Sub-device can further include control unit (Control Unit), display unit (Display), storage element (Storage Unit), random access memory (RAM) or combinations thereof.
According to above embodiment, specific embodiment set forth below simultaneously cooperates attached drawing to be described in detail.
<first embodiment>
Fig. 1 and Fig. 2 is please referred to, wherein Fig. 1 is painted a kind of schematic diagram of image-taking device according to first embodiment of the invention, Fig. 2 is sequentially spherical aberration, astigmatism and the distortion curve graph of first embodiment from left to right.As shown in Figure 1, the capture of first embodiment Device includes optical lens (not another label) and electronics photosensitive element 190.Optical lens sequentially includes by object side to image side One lens 110, the second lens 120, aperture 100, the third lens 130, the 4th lens 140, the 5th lens 150, the 6th lens 160, infrared ray filters out filter element 170 and imaging surface 180, and electronics photosensitive element 190 is set to the imaging of optical lens Face 180, wherein the lens in optical lens with refracting power are six (110-160), and are appointed two adjacent with refracting power All there is a spacing distance between lens.
First lens 110 have negative refracting power, and are plastic cement material, are convex surface, picture at 111 dipped beam axis of object side surface It is concave surface at 112 dipped beam axis of side surface, and is all aspherical.
Second lens 120 have negative refracting power, and are plastic cement material, are convex surface, picture at 121 dipped beam axis of object side surface It is concave surface at 122 dipped beam axis of side surface, and is all aspherical.
The third lens 130 have positive refracting power, and are plastic cement material, are convex surface, picture at 131 dipped beam axis of object side surface It is convex surface at 132 dipped beam axis of side surface, and is all aspherical.
4th lens 140 have positive refracting power, and are plastic cement material, are convex surface, picture at 141 dipped beam axis of object side surface It is convex surface at 142 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis for the 4th lens object side surface 141 Concave surface.
5th lens 150 have negative refracting power, and are plastic cement material, are concave surface, picture at 151 dipped beam axis of object side surface It is concave surface at 152 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 5th lens image side surface 152 Convex surface.
6th lens 160 have positive refracting power, and are plastic cement material, are convex surface, picture at 161 dipped beam axis of object side surface It is concave surface at 162 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 6th lens image side surface 162 Convex surface.
It is glass material that infrared ray, which filters out filter element 170, is set between the 6th lens 160 and imaging surface 180 and not Influence the focal length of optical lens.
The aspherical fitting equation of above-mentioned each lens is expressed as follows:
Wherein:
X: the point for being Y apart from optical axis on aspherical, with the relative distance for being tangential on intersection point section on aspherical optical axis;
Y: the vertical range of point and optical axis in aspheric curve;
R: radius of curvature;
K: conical surface coefficient;And
Ai: the i-th rank asphericity coefficient.
In the optical lens of first embodiment, the focal length of optical lens is f, and the f-number (f-number) of optical lens is Fno, the half at maximum visual angle is HFOV in optical lens, and numerical value is as follows: f=1.00mm;Fno=2.15;And HFOV= 63.5 degree.
In the optical lens of first embodiment, the half at maximum visual angle is HFOV in optical lens, meets following condition: Tan (HFOV)=2.01.
In the optical lens of first embodiment, the refractive index of the first lens 110 is N1, and the refractive index of the second lens 120 is N2, the refractive index of the third lens 130 are N3, and the refractive index of the 4th lens 140 is N4, and the refractive index of the 5th lens 150 is N5, the The refractive index of six lens 160 is N6, and wherein the maximum is Nmax in N1, N2, N3, N4, N5 and N6, meets following condition: Nmax=1.633.
In the optical lens of first embodiment, the first lens 110 are in the spacing distance on optical axis with the second lens 120 T12, the second lens 120 and the third lens 130 are T23, the third lens 130 and the 4th lens 140 in the spacing distance on optical axis In the spacing distance on optical axis be T34, the 4th lens 140 and the 5th lens 150 in the spacing distance on optical axis be T45, the 5th Lens 150 and the 6th lens 160 are T56 in the spacing distance on optical axis, meet following condition: T12/T23=1.85;And T12/ (T34+T45+T56)=1.51.
In the optical lens of first embodiment, the half at maximum visual angle is HFOV, the first lens object side table in optical lens Face 111 is TL in the distance on optical axis to imaging surface 180, meets following condition: TL/sin (HFOV × 1.6)=4.30mm.
Cooperation referring to Fig.1 5, is the schematic diagram being painted according to parameter Sag52 in Fig. 1 first embodiment.As shown in Figure 15, Intersection point of five lens image sides surface 152 on optical axis to the 5th lens image side surface 152 maximum effective radius position in optical axis Horizontal displacement be Sag52, the 5th lens 150 are in, with a thickness of CT5, meeting following condition: CT5/ on optical axis | Sag52 | =7.18.
In the optical lens of first embodiment, the focal length of optical lens is f, the curvature half of the 6th lens object side surface 161 Diameter is R11, meets following condition: R11/f=0.56.
In the optical lens of first embodiment, the focal length of the first lens 110 is f1, and the focal length of the second lens 120 is f2, Meet following condition: | f1 |/f2=-0.04.
In the optical lens of first embodiment, the focal length of the 4th lens 140 is f4, and the focal length of the 6th lens 160 is f6, Meet following condition: f6/f4=1.06.
In the optical lens of first embodiment, the first lens 110 are in, with a thickness of CT1, the second lens 120 are in light on optical axis On axis with a thickness of CT2, the third lens 130 on optical axis with a thickness of CT3, the 4th lens 140 on optical axis with a thickness of CT4, the 6th lens 160 are in, with a thickness of CT6, meeting following condition: CT1 < CT2 on optical axis;CT1<CT3;CT1<CT4;With And CT1 < CT6.
In the optical lens of first embodiment, the focal length of the first lens 110 is f1, and the focal length of the second lens 120 is f2, the The focal length of three lens 130 is f3, and the focal length of the 4th lens 140 is f4, and the focal length of the 5th lens 150 is f5, the 6th lens 160 Focal length is f6, meets following condition: | f5 | < | f1 |;|f5|<|f2|;|f5|<|f3|;|f5|<|f4|;And | f5 | < | f6 |。
Cooperate again referring to following table one and table two.
Table one is the detailed structured data of Fig. 1 first embodiment, and wherein the unit of radius of curvature, thickness and focal length is mm, And surface 0-16 is sequentially indicated by the surface of object side to image side.Table two is the aspherical surface data in first embodiment, wherein k table Conical surface coefficient in aspheric curve equation, A4-A16 then indicate each surface 4-16 rank asphericity coefficient.In addition, following Embodiment table is the schematic diagram and aberration curve figure of corresponding each embodiment, in table the definition of data all with first embodiment The definition of table one and table two is identical, is not added repeats herein.
<second embodiment>
Referring to figure 3. and Fig. 4, wherein Fig. 3 is painted a kind of schematic diagram of image-taking device according to second embodiment of the invention, Fig. 4 is sequentially spherical aberration, astigmatism and the distortion curve graph of second embodiment from left to right.From the figure 3, it may be seen that the capture of second embodiment Device includes optical lens (not another label) and electronics photosensitive element 290.Optical lens sequentially includes by object side to image side One lens 210, the second lens 220, aperture 200, the third lens 230, the 4th lens 240, the 5th lens 250, the 6th lens 260, infrared ray filters out filter element 270 and imaging surface 280, and electronics photosensitive element 290 is set to the imaging of optical lens Face 280, wherein the lens in optical lens with refracting power are six (210-260), and are appointed two adjacent with refracting power All there is a spacing distance between lens.
First lens 210 have negative refracting power, and are plastic cement material, are convex surface, picture at 211 dipped beam axis of object side surface It is concave surface at 212 dipped beam axis of side surface, and is all aspherical.
Second lens 220 have positive refracting power, and are plastic cement material, are convex surface, picture at 221 dipped beam axis of object side surface It is concave surface at 222 dipped beam axis of side surface, and is all aspherical.
The third lens 230 have positive refracting power, and are plastic cement material, are convex surface, picture at 231 dipped beam axis of object side surface It is convex surface at 232 dipped beam axis of side surface, and is all aspherical.
4th lens 240 have positive refracting power, and are plastic cement material, are concave surface, picture at 241 dipped beam axis of object side surface It is convex surface at 242 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis for the 4th lens object side surface 241 Concave surface.
5th lens 250 have negative refracting power, and are plastic cement material, are concave surface, picture at 251 dipped beam axis of object side surface It is concave surface at 252 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 5th lens image side surface 252 Convex surface.
6th lens 260 have positive refracting power, and are plastic cement material, are convex surface, picture at 261 dipped beam axis of object side surface It is concave surface at 262 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 6th lens image side surface 262 Convex surface.
It is glass material that infrared ray, which filters out filter element 270, is set between the 6th lens 260 and imaging surface 280 and not Influence the focal length of optical lens.
Cooperate again referring to following table three and table four.
In second embodiment, aspherical fitting equation indicates the form such as first embodiment.In addition, following table parameter Definition is all identical with the first embodiment, and not in this to go forth.
Cooperation table three and table four can extrapolate following data:
In addition, in the optical lens of second embodiment, the first lens 210 on optical axis with a thickness of CT1, the second lens 220 in, with a thickness of CT2, the third lens 230 are in, with a thickness of CT3, the 4th lens 240 are in the thickness on optical axis on optical axis on optical axis Degree is CT4, and the 6th lens 260 are in, with a thickness of CT6, meeting following condition: CT1 < CT2 on optical axis;CT1<CT3;CT1< CT4;And CT1 < CT6.
In the optical lens of second embodiment, the focal length of the first lens 210 is f1, and the focal length of the second lens 220 is f2, the The focal length of three lens 230 is f3, and the focal length of the 4th lens 240 is f4, and the focal length of the 5th lens 250 is f5, the 6th lens 260 Focal length is f6, meets following condition: | f5 | < | f1 |;|f5|<|f2|;|f5|<|f3|;|f5|<|f4|;And | f5 | < | f6 |。
<3rd embodiment>
Referring to figure 5. and Fig. 6, wherein Fig. 5 is painted a kind of schematic diagram of image-taking device according to third embodiment of the invention, Fig. 6 is sequentially spherical aberration, astigmatism and the distortion curve graph of 3rd embodiment from left to right.As shown in Figure 5, the capture of 3rd embodiment Device includes optical lens (not another label) and electronics photosensitive element 390.Optical lens sequentially includes by object side to image side One lens 310, the second lens 320, aperture 300, the third lens 330, the 4th lens 340, the 5th lens 350, the 6th lens 360, infrared ray filters out filter element 370 and imaging surface 380, and electronics photosensitive element 390 is set to the imaging of optical lens Face 380, wherein the lens in optical lens with refracting power are six (310-360), and are appointed two adjacent with refracting power All there is a spacing distance between lens.
First lens 310 have negative refracting power, and are plastic cement material, are convex surface, picture at 311 dipped beam axis of object side surface It is concave surface at 312 dipped beam axis of side surface, and is all aspherical.
Second lens 320 have positive refracting power, and are plastic cement material, are convex surface, picture at 321 dipped beam axis of object side surface It is concave surface at 322 dipped beam axis of side surface, and is all aspherical.
The third lens 330 have positive refracting power, and are plastic cement material, are convex surface, picture at 331 dipped beam axis of object side surface It is convex surface at 332 dipped beam axis of side surface, and is all aspherical.
4th lens 340 have positive refracting power, and are plastic cement material, are convex surface, picture at 341 dipped beam axis of object side surface It is convex surface at 342 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis for the 4th lens object side surface 341 Concave surface.
5th lens 350 have negative refracting power, and are plastic cement material, are concave surface, picture at 351 dipped beam axis of object side surface It is concave surface at 352 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 5th lens image side surface 352 Convex surface.
6th lens 360 have positive refracting power, and are plastic cement material, are convex surface, picture at 361 dipped beam axis of object side surface It is concave surface at 362 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 6th lens image side surface 362 Convex surface.
It is glass material that infrared ray, which filters out filter element 370, is set between the 6th lens 360 and imaging surface 380 and not Influence the focal length of optical lens.
Cooperate again referring to following table five and table six.
In 3rd embodiment, aspherical fitting equation indicates the form such as first embodiment.In addition, following table parameter Definition is all identical with the first embodiment, and not in this to go forth.
Cooperation table five and table six can extrapolate following data:
In addition, in the optical lens of 3rd embodiment, the first lens 310 on optical axis with a thickness of CT1, the second lens 320 in, with a thickness of CT2, the third lens 330 are in, with a thickness of CT3, the 4th lens 340 are in the thickness on optical axis on optical axis on optical axis Degree is CT4, and the 6th lens 360 are in, with a thickness of CT6, meeting following condition: CT1 < CT2 on optical axis;CT1<CT3;CT1< CT4;And CT1 < CT6.
In the optical lens of 3rd embodiment, the focal length of the first lens 310 is f1, and the focal length of the second lens 320 is f2, the The focal length of three lens 330 is f3, and the focal length of the 4th lens 340 is f4, and the focal length of the 5th lens 350 is f5, the 6th lens 360 Focal length is f6, meets following condition: | f5 | < | f1 |;|f5|<|f2|;|f5|<|f3|;|f5|<|f4|;And | f5 | < | f6 |。
<fourth embodiment>
Fig. 7 and Fig. 8 is please referred to, wherein Fig. 7 is painted a kind of schematic diagram of image-taking device according to fourth embodiment of the invention, Fig. 8 is sequentially spherical aberration, astigmatism and the distortion curve graph of fourth embodiment from left to right.As shown in Figure 7, the capture of fourth embodiment Device includes optical lens (not another label) and electronics photosensitive element 490.Optical lens sequentially includes by object side to image side One lens 410, the second lens 420, aperture 400, the third lens 430, the 4th lens 440, the 5th lens 450, the 6th lens 460, infrared ray filters out filter element 470 and imaging surface 480, and electronics photosensitive element 490 is set to the imaging of optical lens Face 480, wherein the lens in optical lens with refracting power are six (410-460), and are appointed two adjacent with refracting power All there is a spacing distance between lens.
First lens 410 have negative refracting power, and are plastic cement material, are convex surface, picture at 411 dipped beam axis of object side surface It is concave surface at 412 dipped beam axis of side surface, and is all aspherical.
Second lens 420 have positive refracting power, and are plastic cement material, are convex surface, picture at 421 dipped beam axis of object side surface It is concave surface at 422 dipped beam axis of side surface, and is all aspherical.
The third lens 430 have positive refracting power, and are plastic cement material, are convex surface, picture at 431 dipped beam axis of object side surface It is convex surface at 432 dipped beam axis of side surface, and is all aspherical.
4th lens 440 have positive refracting power, and are plastic cement material, are convex surface, picture at 441 dipped beam axis of object side surface It is convex surface at 442 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis for the 4th lens object side surface 441 Concave surface.
5th lens 450 have negative refracting power, and are plastic cement material, are concave surface, picture at 451 dipped beam axis of object side surface It is concave surface at 452 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 5th lens image side surface 452 Convex surface.
6th lens 460 have positive refracting power, and are plastic cement material, are convex surface, picture at 461 dipped beam axis of object side surface It is concave surface at 462 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 6th lens image side surface 462 Convex surface.
It is glass material that infrared ray, which filters out filter element 470, is set between the 6th lens 460 and imaging surface 480 and not Influence the focal length of optical lens.
Cooperate again referring to following table seven and table eight.
In fourth embodiment, aspherical fitting equation indicates the form such as first embodiment.In addition, following table parameter Definition is all identical with the first embodiment, and not in this to go forth.
Cooperation table seven and table eight can extrapolate following data:
In addition, in the optical lens of fourth embodiment, the first lens 410 on optical axis with a thickness of CT1, the second lens 420 in, with a thickness of CT2, the third lens 430 are in, with a thickness of CT3, the 4th lens 440 are in the thickness on optical axis on optical axis on optical axis Degree is CT4, and the 6th lens 460 are in, with a thickness of CT6, meeting following condition: CT1 < CT2 on optical axis;CT1<CT3;CT1< CT4;And CT1 < CT6.
In the optical lens of fourth embodiment, the focal length of the first lens 410 is f1, and the focal length of the second lens 420 is f2, the The focal length of three lens 430 is f3, and the focal length of the 4th lens 440 is f4, and the focal length of the 5th lens 450 is f5, the 6th lens 460 Focal length is f6, meets following condition: | f5 | < | f1 |;|f5|<|f2|;|f5|<|f3|;|f5|<|f4|;And | f5 | < | f6 |。
<the 5th embodiment>
Fig. 9 and Figure 10 is please referred to, wherein Fig. 9 is painted a kind of signal of image-taking device according to fifth embodiment of the invention Figure, Figure 10 are sequentially spherical aberration, astigmatism and the distortion curve graph of the 5th embodiment from left to right.As shown in Figure 9, the 5th embodiment Image-taking device includes optical lens (not another label) and electronics photosensitive element 590.Optical lens is sequentially wrapped by object side to image side Thoroughly containing the first lens 510, the second lens 520, aperture 500, the third lens 530, the 4th lens 540, the 5th lens the 550, the 6th Mirror 560, infrared ray filter out filter element 570 and imaging surface 580, and electronics photosensitive element 590 be set to optical lens at Image planes 580, wherein the lens in optical lens with refracting power are six (510-560), and are appointed two adjacent with refracting power Lens between all have a spacing distance.
First lens 510 have negative refracting power, and are plastic cement material, are convex surface, picture at 511 dipped beam axis of object side surface It is concave surface at 512 dipped beam axis of side surface, and is all aspherical.
Second lens 520 have positive refracting power, and are plastic cement material, are convex surface, picture at 521 dipped beam axis of object side surface It is concave surface at 522 dipped beam axis of side surface, and is all aspherical.
The third lens 530 have positive refracting power, and are plastic cement material, are convex surface, picture at 531 dipped beam axis of object side surface It is convex surface at 532 dipped beam axis of side surface, and is all aspherical.
4th lens 540 have positive refracting power, and are plastic cement material, are convex surface, picture at 541 dipped beam axis of object side surface It is convex surface at 542 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis for the 4th lens object side surface 541 Concave surface.
5th lens 550 have negative refracting power, and are plastic cement material, are concave surface, picture at 551 dipped beam axis of object side surface It is concave surface at 552 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 5th lens image side surface 552 Convex surface.
6th lens 560 have positive refracting power, and are plastic cement material, are convex surface, picture at 561 dipped beam axis of object side surface It is concave surface at 562 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 6th lens image side surface 562 Convex surface.
It is glass material that infrared ray, which filters out filter element 570, is set between the 6th lens 560 and imaging surface 580 and not Influence the focal length of optical lens.
Cooperate again referring to following table nine and table ten.
In 5th embodiment, aspherical fitting equation indicates the form such as first embodiment.In addition, following table parameter Definition is all identical with the first embodiment, and not in this to go forth.
Cooperation table nine and table ten can extrapolate following data:
In addition, in the optical lens of the 5th embodiment, the first lens 510 on optical axis with a thickness of CT1, the second lens 520 in, with a thickness of CT2, the third lens 530 are in, with a thickness of CT3, the 4th lens 540 are in the thickness on optical axis on optical axis on optical axis Degree is CT4, and the 6th lens 560 are in, with a thickness of CT6, meeting following condition: CT1 < CT2 on optical axis;CT1<CT3;CT1< CT4;And CT1 < CT6.
In the optical lens of 5th embodiment, the focal length of the first lens 510 is f1, and the focal length of the second lens 520 is f2, the The focal length of three lens 530 is f3, and the focal length of the 4th lens 540 is f4, and the focal length of the 5th lens 550 is f5, the 6th lens 560 Focal length is f6, meets following condition: | f5 | < | f1 |;|f5|<|f2|;|f5|<|f3|;|f5|<|f4|;And | f5 | < | f6 |。
<sixth embodiment>
Figure 11 and Figure 12 is please referred to, wherein Figure 11 is painted a kind of signal of image-taking device according to sixth embodiment of the invention Figure, Figure 12 are sequentially spherical aberration, astigmatism and the distortion curve graph of sixth embodiment from left to right.As shown in Figure 11, sixth embodiment Image-taking device include optical lens (not another label) and electronics photosensitive element 690.Optical lens by object side to image side sequentially Include the first lens 610, the second lens 620, aperture 600, the third lens 630, the 4th lens 640, the 5th lens the 650, the 6th Lens 660, infrared ray filter out filter element 670 and imaging surface 680, and electronics photosensitive element 690 is set to optical lens Imaging surface 680, wherein the lens in optical lens with refracting power are six (610-660), and are appointed two adjacent with flexion All there is a spacing distance between the lens of power.
First lens 610 have negative refracting power, and are plastic cement material, are convex surface, picture at 611 dipped beam axis of object side surface It is concave surface at 612 dipped beam axis of side surface, and is all aspherical.
Second lens 620 have positive refracting power, and are plastic cement material, are convex surface, picture at 621 dipped beam axis of object side surface It is concave surface at 622 dipped beam axis of side surface, and is all aspherical.
The third lens 630 have positive refracting power, and are plastic cement material, are concave surface, picture at 631 dipped beam axis of object side surface It is convex surface at 632 dipped beam axis of side surface, and is all aspherical.
4th lens 640 have positive refracting power, and are plastic cement material, are convex surface, picture at 641 dipped beam axis of object side surface It is convex surface at 642 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis for the 4th lens object side surface 641 Concave surface.
5th lens 650 have negative refracting power, and are plastic cement material, are concave surface, picture at 651 dipped beam axis of object side surface It is concave surface at 652 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 5th lens image side surface 652 Convex surface.
6th lens 660 have positive refracting power, and are plastic cement material, are convex surface, picture at 661 dipped beam axis of object side surface It is concave surface at 662 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 6th lens image side surface 662 Convex surface.
It is glass material that infrared ray, which filters out filter element 670, is set between the 6th lens 660 and imaging surface 680 and not Influence the focal length of optical lens.
Cooperate again referring to following table 11 and table 12.
In sixth embodiment, aspherical fitting equation indicates the form such as first embodiment.In addition, following table parameter Definition is all identical with the first embodiment, and not in this to go forth.
Cooperation table 11 and table 12 can extrapolate following data:
In addition, in the optical lens of sixth embodiment, the first lens 610 on optical axis with a thickness of CT1, the second lens 620 in, with a thickness of CT2, the third lens 630 are in, with a thickness of CT3, the 4th lens 640 are in the thickness on optical axis on optical axis on optical axis Degree is CT4, and the 6th lens 660 are in, with a thickness of CT6, meeting following condition: CT1 < CT2 on optical axis;CT1<CT3;CT1< CT4;And CT1 < CT6.
In the optical lens of sixth embodiment, the focal length of the first lens 610 is f1, and the focal length of the second lens 620 is f2, the The focal length of three lens 630 is f3, and the focal length of the 4th lens 640 is f4, and the focal length of the 5th lens 650 is f5, the 6th lens 660 Focal length is f6, meets following condition: | f5 | < | f1 |;|f5|<|f2|;|f5|<|f3|;|f5|<|f4|;And | f5 | < | f6 |。
<the 7th embodiment>
Figure 13 and Figure 14 is please referred to, wherein Figure 13 is painted a kind of signal of image-taking device according to seventh embodiment of the invention Figure, Figure 14 are sequentially spherical aberration, astigmatism and the distortion curve graph of the 7th embodiment from left to right.As shown in Figure 13, the 7th embodiment Image-taking device include optical lens (not another label) and electronics photosensitive element 790.Optical lens by object side to image side sequentially Include the first lens 710, the second lens 720, aperture 700, the third lens 730, the 4th lens 740, the 5th lens the 750, the 6th Lens 760, infrared ray filter out filter element 770 and imaging surface 780, and electronics photosensitive element 790 is set to optical lens Imaging surface 780, wherein the lens in optical lens with refracting power are six (710-760), and are appointed two adjacent with flexion All there is a spacing distance between the lens of power.
First lens 710 have negative refracting power, and are plastic cement material, are convex surface, picture at 711 dipped beam axis of object side surface It is concave surface at 712 dipped beam axis of side surface, and is all aspherical.
Second lens 720 have positive refracting power, and are plastic cement material, are convex surface, picture at 721 dipped beam axis of object side surface It is concave surface at 722 dipped beam axis of side surface, and is all aspherical.
The third lens 730 have positive refracting power, and are plastic cement material, are concave surface, picture at 731 dipped beam axis of object side surface It is convex surface at 732 dipped beam axis of side surface, and is all aspherical.
4th lens 740 have positive refracting power, and are plastic cement material, are convex surface, picture at 741 dipped beam axis of object side surface It is convex surface at 742 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis for the 4th lens object side surface 741 Concave surface.
5th lens 750 have negative refracting power, and are plastic cement material, are concave surface, picture at 751 dipped beam axis of object side surface It is concave surface at 752 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 5th lens image side surface 752 Convex surface.
6th lens 760 have positive refracting power, and are plastic cement material, are convex surface, picture at 761 dipped beam axis of object side surface It is concave surface at 762 dipped beam axis of side surface, and is all aspherical.In addition, place includes at least one off axis on the 6th lens image side surface 762 Convex surface.
It is glass material that infrared ray, which filters out filter element 770, is set between the 6th lens 760 and imaging surface 780 and not Influence the focal length of optical lens.
Cooperate again referring to following table 13 and table 14.
In 7th embodiment, aspherical fitting equation indicates the form such as first embodiment.In addition, following table parameter Definition is all identical with the first embodiment, and not in this to go forth.
Cooperation table 13 and table 14 can extrapolate following data:
In addition, the focal length of the first lens 710 is f1, and the focal length of the second lens 720 is in the optical lens of the 7th embodiment F2, the focal length of the third lens 730 are f3, and the focal length of the 4th lens 740 is f4, and the focal length of the 5th lens 750 is f5, the 6th lens 760 focal length is f6, meets following condition: | f5 | < | f1 |;|f5|<|f2|;|f5|<|f3|;|f5|<|f4|;And | f5 | <|f6|。
<the 8th embodiment>
Figure 16 is please referred to, is the schematic diagram for being painted a kind of electronic device 10 according to eighth embodiment of the invention.8th is real The electronic device 10 for applying example is a smart phone, and electronic device 10 includes image-taking device 11, and image-taking device 11 includes according to this hair Bright optical lens (figure does not disclose) and electronics photosensitive element (figure does not disclose), wherein electronics photosensitive element is set to optical frames The imaging surface of head.
<the 9th embodiment>
Figure 17 is please referred to, is the schematic diagram for being painted a kind of electronic device 20 according to ninth embodiment of the invention.9th is real The electronic device 20 for applying example is a tablet computer, and electronic device 20 includes image-taking device 21, and image-taking device 21 includes according to this The optical lens (figure does not disclose) and electronics photosensitive element (figure does not disclose) of invention, wherein electronics photosensitive element is set to optics The imaging surface of camera lens.
<the tenth embodiment>
Figure 18 is please referred to, is the schematic diagram for being painted a kind of electronic device 30 according to tenth embodiment of the invention.Tenth is real The electronic device 30 for applying example is a head-mounted display (Head-mounted display, HMD), and electronic device 30 includes capture Device 31, image-taking device 31 include that (figure is not taken off for optical lens (figure do not disclose) according to the present invention and electronics photosensitive element Show), wherein electronics photosensitive element is set to the imaging surface of optical lens.
Although the present invention is disclosed above with embodiment, however, it is not to limit the invention, any to be familiar with this skill Person, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations, therefore protection scope of the present invention is worked as Subject to the scope of which is defined in the appended claims.

Claims (26)

1. a kind of optical lens, which is characterized in that sequentially include by object side to image side:
One first lens have negative refracting power, are concave surface at the dipped beam axis of image side surface;
One second lens have refracting power;
One the third lens have positive refracting power;
One the 4th lens have positive refracting power, are convex surface at the dipped beam axis of image side surface, object side surface and image side surface are all It is aspherical;
One the 5th lens have negative refracting power, are concave surface at the dipped beam axis of image side surface, and image side surface is located off axis comprising at least One convex surface, object side surface and image side surface are all aspherical;And
One the 6th lens have refracting power, are concave surface at the dipped beam axis of image side surface, and image side surface is located off axis comprising at least one Convex surface, object side surface and image side surface are all aspherical;
Wherein, the lens in the optical lens with refracting power are six, and between two adjacent lens with refracting power all With a spacing distance, the focal length of first lens is f1, and the focal length of second lens is f2, first lens and this second thoroughly Mirror is T12 in the spacing distance on optical axis, which is T23 in the spacing distance on optical axis with the third lens, is expired Foot column condition:
-0.20<|f1|/f2<1.50;And
1.0<T12/T23。
2. optical lens according to claim 1, which is characterized in that the 6th lens have positive refracting power, object side table It is convex surface at the dipped beam axis of face.
3. optical lens according to claim 2, which is characterized in that the half at maximum visual angle is in the optical lens HFOV, the first lens object side surface a to imaging surface are TL in the distance on optical axis, meet following condition:
1.30<tan(HFOV);And
TL/sin(HFOV×1.6)<7.0mm。
4. optical lens according to claim 1, which is characterized in that second lens have positive refracting power, object side table It is convex surface at the dipped beam axis of face, is concave surface at the dipped beam axis of image side surface.
5. optical lens according to claim 4, which is characterized in that first lens and second lens are on optical axis Spacing distance is T12, and the third lens and the 4th lens are T34 in the spacing distance on optical axis, the 4th lens and this Five lens are T45 in the spacing distance on optical axis, and the 5th lens and the 6th lens are T56 in the spacing distance on optical axis, It meets following condition:
1.25<T12/(T34+T45+T56)<4.0。
6. optical lens according to claim 4, which is characterized in that be convex at the 4th lens object side surface dipped beam axis Face, object side surface are located off axis comprising an at least concave surface.
7. optical lens according to claim 4, which is characterized in that the focal length of first lens is f1, second lens Focal length be f2, meet following condition:
-0.20<|f1|/f2<1.0。
8. optical lens according to claim 1, which is characterized in that first lens on optical axis with a thickness of CT1, should Second lens are in, with a thickness of CT2, the third lens are in, with a thickness of CT3, the 4th lens are on optical axis on optical axis on optical axis With a thickness of CT4, the 6th lens are in, with a thickness of CT6, meeting following condition on optical axis:
CT1<CT2;
CT1<CT3;
CT1<CT4;And
CT1<CT6。
9. optical lens according to claim 1, which is characterized in that first lens and second lens are on optical axis Spacing distance is T12, which is T23 in the spacing distance on optical axis with the third lens, meets following condition:
1.40<T12/T23。
10. optical lens according to claim 1, which is characterized in that the focal length of the optical lens is f, the 6th lens The radius of curvature of object side surface is R11, meets following condition:
0<R11/f<1.40。
11. optical lens according to claim 1, which is characterized in that the focal length of the 4th lens is f4, the 6th lens Focal length be f6, meet following condition:
0<f6/f4<4.0。
12. optical lens according to claim 1, which is characterized in that the 5th lens on optical axis with a thickness of CT5, Intersection point of 5th lens image side surface on optical axis to the 5th lens image side surface maximum effective radius position in optical axis Horizontal displacement be Sag52, meet following condition:
4.0<CT5/|Sag52|。
13. optical lens according to claim 1, which is characterized in that the refractive index of first lens be N1, this second thoroughly The refractive index of mirror is N2, and the refractive index of the third lens is N3, and the refractive index of the 4th lens is N4, the refraction of the 5th lens Rate is N5, and the refractive index of the 6th lens is N6, and wherein the maximum is Nmax in N1, N2, N3, N4, N5 and N6, is met following Condition:
1.60<Nmax<1.70。
14. a kind of image-taking device, characterized by comprising:
Optical lens as described in claim 1;And
One electronics photosensitive element is set to an imaging surface of the optical lens.
15. a kind of electronic device, characterized by comprising:
Image-taking device as claimed in claim 14.
16. a kind of optical lens, which is characterized in that sequentially include by object side to image side:
One first lens have negative refracting power, are concave surface at the dipped beam axis of image side surface;
One second lens have refracting power;
One the third lens have positive refracting power;
One the 4th lens have positive refracting power, are convex surface at the dipped beam axis of image side surface, object side surface and image side surface are all It is aspherical;
One the 5th lens have negative refracting power, are concave surface at the dipped beam axis of image side surface, object side surface and image side surface are all It is aspherical;And
One the 6th lens have positive refracting power, are convex surface at the dipped beam axis of object side surface, are recessed at the dipped beam axis of image side surface Face, image side surface are located off axis comprising an at least convex surface, and object side surface and image side surface are all aspherical;
Wherein, the lens in the optical lens with refracting power are six, and between two adjacent lens with refracting power all With a spacing distance, the focal length of first lens is f1, and the focal length of second lens is f2, and the focal length of the 4th lens is F4, the focal length of the 6th lens are f6, which is T12 in the spacing distance on optical axis with second lens, this second Lens are T23 in the spacing distance on optical axis with the third lens, meet following condition:
-1.50<|f1|/f2<4.0;
1.0<T12/T23;And
0<f6/f4<4.0。
17. optical lens according to claim 16, which is characterized in that the 5th lens on optical axis with a thickness of CT5, Intersection point of 5th lens image side surface on optical axis to the 5th lens image side surface maximum effective radius position in optical axis Horizontal displacement be Sag52, meet following condition:
4.0<CT5/|Sag52|。
18. optical lens according to claim 16, which is characterized in that second lens have positive refracting power, object side It is convex surface at the dipped beam axis of surface, is concave surface at the dipped beam axis of image side surface.
19. optical lens according to claim 16, which is characterized in that first lens and second lens are on optical axis Spacing distance be T12, the third lens and the 4th lens are T34 in the spacing distance on optical axis, the 4th lens with should 5th lens are T45 in the spacing distance on optical axis, and the 5th lens are in the spacing distance on optical axis with the 6th lens T56 meets following condition:
1.25<T12/(T34+T45+T56)<4.0。
20. optical lens according to claim 16, which is characterized in that the half at maximum visual angle is in the optical lens HFOV, the first lens object side surface a to imaging surface are TL in the distance on optical axis, meet following condition:
1.30<tan(HFOV);And
TL/sin(HFOV×1.6)<7.0mm。
21. optical lens according to claim 16, which is characterized in that the focal length of first lens be f1, this second thoroughly The focal length of mirror is f2, and the focal length of the third lens is f3, and the focal length of the 4th lens is f4, and the focal length of the 5th lens is f5, The focal length of 6th lens is f6, meets following condition:
|f5|<|f1|;
|f5|<|f2|;
|f5|<|f3|;
|f5|<|f4|;And
|f5|<|f6|。
22. optical lens according to claim 16, which is characterized in that the focal length of the optical lens is f, the 6th lens The radius of curvature of object side surface is R11, meets following condition:
0<R11/f<1.0。
23. optical lens according to claim 16, which is characterized in that the refractive index of first lens is N1, this second The refractive index of lens is N2, and the refractive index of the third lens is N3, and the refractive index of the 4th lens is N4, the folding of the 5th lens Penetrating rate is N5, and the refractive index of the 6th lens is N6, and wherein the maximum is Nmax in N1, N2, N3, N4, N5 and N6, under meeting Column condition:
1.60<Nmax<1.70。
24. optical lens according to claim 16, which is characterized in that the focal length of first lens be f1, this second thoroughly The focal length of mirror is f2, meets following condition:
-0.70<|f1|/f2<1.80。
25. a kind of image-taking device, characterized by comprising:
Optical lens as claimed in claim 16;And
One electronics photosensitive element is set to an imaging surface of the optical lens.
26. a kind of electronic device, characterized by comprising:
Image-taking device as claimed in claim 25.
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