CN105807409B

CN105807409B - Camera optical eyeglass group, image-taking device and electronic device

Info

Publication number: CN105807409B
Application number: CN201410840370.6A
Authority: CN
Inventors: 黄歆璇
Original assignee: Largan Precision Co Ltd
Current assignee: Largan Precision Co Ltd
Priority date: 2014-12-30
Filing date: 2014-12-30
Publication date: 2018-09-14
Anticipated expiration: 2034-12-30
Also published as: CN109031617B; CN109031617A; CN105807409A

Abstract

The invention discloses a kind of camera optical eyeglass group, image-taking device and electronic devices.Camera optical eyeglass group includes sequentially 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.It is convex surface at dipped beam axis that first lens, which have positive refracting power, object side surface,.Second lens have refracting power.The third lens have refracting power, and object side surface and image side surface are all aspherical.4th lens have refracting power, and object side surface and image side surface are all aspherical.5th lens have refracting power, and object side surface and image side surface are all aspherical.6th lens have refracting power, and object side surface and image side surface are all aspherical.Invention additionally discloses with above-mentioned camera optical eyeglass group image-taking device and with the electronic device of image-taking device.When a specific condition is satisfied, the space configuration of lens is can control, and promotes the ability of vista shot (Telephoto).

Description

Camera optical eyeglass group, image-taking device and electronic device

Technical field

The present invention relates to a kind of camera optical eyeglass group and image-taking devices, and more particularly to a kind of application is on the electronic device Miniaturization camera optical eyeglass group and image-taking device.

Background technology

In recent years, with the rise of the electronic product with camera function, the demand of optical system increasingly improves.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 semiconductor process technique so that the Pixel Dimensions of photosensitive element reduce, and optical system is gradually led toward high pixel Domain is developed, 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.

Though make further progress six chip optical systems at present, because the configuration of the first lens refracting power therein can not incite somebody to action The light aggregate capabilities of overall optical system concentrate on object side, cause optical system total length long, cause overall volume mistake Greatly.

Invention content

The purpose of the present invention is to provide a kind of camera optical eyeglass group, image-taking device and electronic devices, and first thoroughly Mirror has positive refracting power, can the light aggregate capabilities of whole camera optical eyeglass group be concentrated on its object side, so as to effectively controlling The volume of camera optical eyeglass group processed, meets the characteristic of miniaturization.

A kind of camera optical eyeglass group is provided according to the present invention, by object side to image side sequentially include the first lens, second thoroughly Mirror, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens have positive refracting power, and object side surface is in close It is convex surface at optical axis.The third lens object side surface and image side surface are all aspherical.4th lens object side surface and image side surface It is all aspherical.5th lens object side surface and image side surface are all aspherical.6th lens object side surface and image side surface are all It is aspherical.Lens in camera optical eyeglass group are six, and without relative movement between the lens, camera optical eyeglass group Focal length is f, and the first lens object side surface to the 6th lens image side surface is TD, the 6th lens image side surface in the distance on optical axis In the distance on optical axis it is BL to imaging surface, the maximum image height of camera optical eyeglass group is ImgH, and the refractive index of the first lens is The refractive index of N1, the second lens are N2, and the refractive index of the third lens is N3, and the refractive index of the 4th lens is N4, the 5th lens Refractive index is N5, and the refractive index of the 6th lens is N6, and the maximum is Nmax wherein in N1, N2, N3, N4, N5 and N6, under meeting Row condition：

0.30<TD/f<0.90；

0<BL/f<0.25；

2.0<f/ImgH<5.0；And

Nmax<1.70。

A kind of image-taking device is more provided according to the present invention, including camera optical eyeglass group as mentioned in the previous paragraph and sense electronics Optical element, wherein electronics photosensitive element are set to the imaging surface of camera optical eyeglass group.

A kind of electronic device is separately provided according to the present invention, including image-taking device as mentioned in the previous paragraph.

A kind of camera optical eyeglass group is provided again according to the present invention, includes sequentially the first lens, second by object side to image side Lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens have positive refracting power, object side surface in It is convex surface at dipped beam axis.The third lens object side surface and image side surface are all aspherical.4th lens object side surface and image side table Face is all aspherical.5th lens object side surface and image side surface are all aspherical.6th lens object side surface and image side surface It is all aspherical.Lens in camera optical eyeglass group are six, and have a spacing distance between two adjacent lens, and institute It states without relative movement between lens, camera optical eyeglass group also includes an aperture, and without lens between the aperture and first lens, The focal length of camera optical eyeglass group is f, and the first lens object side surface to the 6th lens image side surface is TD in the distance on optical axis, The maximum image height of camera optical eyeglass group is ImgH, and the refractive index of the first lens is N1, and the refractive index of the second lens is N2, third The refractive index of lens is N3, and the refractive index of the 4th lens is N4, and the refractive index of the 5th lens is N5, and the refractive index of the 6th lens is N6, the maximum is Nmax wherein in N1, N2, N3, N4, N5 and N6, meets following condition：

0.30<TD/f<0.90；

2.35<f/ImgH<4.5；And

Nmax<1.70。

According to the present invention again a kind of image-taking device is provided, including camera optical eyeglass group as mentioned in the previous paragraph, prism and Electronics photosensitive element, wherein prism are set in the light path between object and camera optical eyeglass group, and electronics photosensitive element It is set to the imaging surface of camera optical eyeglass group.

A kind of camera optical eyeglass group is provided according to the present invention and again, includes sequentially the first lens, the by object side to image side Two lens, the third lens, the 4th lens, the 5th lens and the 6th lens.First lens have positive refracting power, object side surface It is convex surface at dipped beam axis.Second lens have negative refracting power.The third lens object side surface and image side surface are all aspherical.The Four lens object side surfaces and image side surface are all aspherical.5th lens object side surface and image side surface are all aspherical.6th Lens object side surface and image side surface are all aspherical.First lens, the second lens, the third lens, the 4th lens, the 5th lens And the 6th lens be all plastic cement material, the lens in camera optical eyeglass group are six, and without relative movement between the lens, The focal length of the camera optical eyeglass group be f, the first lens object side surface to the 6th lens image side surface on optical axis away from From for TD, the 6th lens image side surface to imaging surface is BL, the first lens object side surface to imaging surface in the distance on optical axis It is TL in the distance on optical axis, the maximum image height of camera optical eyeglass group is ImgH, and the refractive index of the first lens is N1, and 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, and the refractive index of the 5th lens is The refractive index of N5, the 6th lens are N6, and the maximum is Nmax wherein in N1, N2, N3, N4, N5 and N6, meets following condition：

0.30<TD/f<0.85；

0<BL/f<0.25；

2.0<TL/ImgH<3.0；And

Nmax<1.70。

When TD/f meets above-mentioned condition, the space configuration of lens in camera optical eyeglass group can be effectively controlled, and is promoted The ability of vista shot (Telephoto).

When BL/f meets above-mentioned condition, the back focal length of camera optical eyeglass group can be shortened, avoidable overall volume is excessive, Conducive to being mounted in miniaturized electronic device.

When f/ImgH meets above-mentioned condition, the light beam in camera optical eyeglass group is can control, its focusing range is made to concentrate In a certain specific region at a distance, to promote the acquisition ability of the region high-resolution image.

When Nmax meets above-mentioned condition, contribute to the reduction of aberration.

When TL/ImgH meets above-mentioned condition, the total length of camera optical eyeglass group can be effectively shortened, maintain its small-sized Change.

Description of the drawings

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 a kind of schematic diagram of image-taking device according to eighth embodiment of the invention；

Figure 16 is sequentially spherical aberration, astigmatism and the distortion curve graph of the 8th embodiment from left to right；

Figure 17 is painted the schematic diagram according to parameter Dsr1 and Dsr2 in Fig. 1 first embodiments；

Figure 18 is painted is arranged relationship according to camera optical eyeglass group in Fig. 1 first embodiments and object and its imaging surface Schematic diagram；

Figure 19 is painted another according to camera optical eyeglass group in Fig. 1 first embodiments and prism, object and its imaging surface The schematic diagram of kind setting relationship；

Figure 20 is painted a kind of schematic diagram of electronic device according to ninth embodiment of the invention；

Figure 21 is painted a kind of schematic diagram of electronic device according to tenth embodiment of the invention；And

Figure 22 is painted a kind of schematic diagram of electronic device according to eleventh embodiment of the invention.

【Symbol description】

Electronic device：10、20、30

Image-taking device：11、21、31

First lens：110、210、310、410、510、610、710、810

Object side surface：111、211、311、411、511、611、711、811

Image side surface：112、212、312、412、512、612、712、812

Second lens：120、220、320、420、520、620、720、820

Object side surface：121、221、321、421、521、621、721、821

Image side surface：122、222、322、422、522、622、722、822

The third lens：130、230、330、430、530、630、730、830

Object side surface：131、231、331、431、531、631、731、831

Image side surface：132、232、332、432、532、632、732、832

4th lens：140、240、340、440、540、640、740、840

Object side surface：141、241、341、441、541、641、741、841

Image side surface：142、242、342、442、542、642、742、842

5th lens：150、250、350、450、550、650、750、850

Object side surface：151、251、351、451、551、651、751、851

Image side surface：152、252、352、452、552、652、752、852

6th lens：160、260、360、460、560、660、760、860

Object side surface：161、261、361、461、561、661、761、861

Image side surface：162、262、362、462、562、662、762、762

Infrared ray filters out filter element：170、270、370、470、570、670、770、870

Imaging surface：180、280、380、480、580、680、780、880

Electronics photosensitive element：190、290、390、490、590、690、790、890

O：Object

L：Camera optical eyeglass group

P：Prism

f：The focal length of camera optical eyeglass group

Fno：The f-number of camera optical eyeglass group

HFOV：The half at maximum visual angle in camera optical eyeglass group

V5：The abbe number of 5th lens

N1：The refractive index of first lens

N2：The refractive index of second lens

N3：The refractive index of the third lens

N4：The refractive index of 4th lens

N5：The refractive index of 5th lens

N6：The refractive index of 6th lens

Nmax：The maximum in N1, N2, N3, N4, N5 and N6

R1：The radius of curvature of first lens object side surface

R7：The radius of curvature of 4th lens object side surface

R8：The radius of curvature of 4th lens image side surface

R10：The radius of curvature of 5th lens image side surface

R11：The radius of curvature of 6th lens object side surface

R12：The radius of curvature of 6th lens image side surface

f1：The focal length of first lens

f2：The focal length of second lens

f6：The focal length of 6th lens

SD：Aperture is to the 6th lens image side surface in the distance on optical axis

TD：First lens object side surface to the 6th lens image side surface is in the distance on optical axis

ΣAT：Each two-phase in first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens Adjacent lens are in the summation of spacing distance on optical axis

Dr6r9：The third lens image side surface is with the 5th lens object side surface at a distance from optical axis

BL：6th lens image side surface is to imaging surface in the distance on optical axis

Dsr1：First lens object side surface is to aperture in the spacing distance on optical axis

Dsr2：First lens image side surface is to aperture in the spacing distance on optical axis

SAG62：Intersection point of 6th lens image side surface on optical axis to the 6th lens image side surface maximum effective radius Position is in the horizontal displacement distance of optical axis

CT6：6th lens are in the thickness on optical axis

ImgH：The maximum image height of camera optical eyeglass group

EPD：The entrance pupil diameter of camera optical eyeglass group

TL：First lens object side surface is to imaging surface in the distance on optical axis

Specific implementation mode

A kind of camera optical eyeglass group includes sequentially the first lens, the second lens, the third lens, the by object side to image side Four lens, the 5th lens and the 6th lens, the lens with refracting power are six wherein in camera optical eyeglass group, and described Without relative movement between lens with refracting power.Camera optical eyeglass group can also include an aperture, and aperture and the first lens it Between without have refracting power lens.

The first lens, the second lens, the third lens, the 4th lens, the 5th lens of camera optical eyeglass group described in leading portion And the 6th in lens, appointing can be with a spacing distance between two adjacent lens with refracting power；That is, camera optical Lens set has six single unbonded lens.Since the more non-adhering lens of the processing procedure of cemented lens are complicated, especially thoroughly two The adhesive surface of mirror need to possess the curved surface of high accuracy, to reach the high adaptation when bonding of two lens, and during bonding, Adaptation may also be caused bad because of deviation, influence whole optical imagery quality.Therefore, camera optical eyeglass group of the present invention In, the problem that appointing between two adjacent lens with refracting power with a spacing distance, cemented lens can be effectively improved.

It is convex surface at dipped beam axis that first lens, which have positive refracting power, object side surface,.It whereby, can be by whole camera optical The light aggregate capabilities of lens set concentrate on its object side, so as to effectively controlling the volume of camera optical eyeglass group, meet small-sized The characteristic of change.In addition, the first lens image side surface can be convex surface at dipped beam axis, and it may include an at least concave surface in off-axis place, Contribute to the aberration of modified off-axis visual field.

Second lens can have negative refracting power, and image side surface can be concave surface at dipped beam axis.So as to correcting camera optical The aberration of lens set is to promote image quality.

The third lens can have negative refracting power, and image side surface can be concave surface at dipped beam axis.So as to correcting camera optical The aberration of lens set is to promote image quality.

It can be concave surface at dipped beam axis that 5th lens, which can have positive refracting power, object side surface, and image side surface is in dipped beam It can be convex surface at axis.Whereby, the astigmatism of camera optical eyeglass group can be effectively reduced.

It can be concave surface at dipped beam axis that 6th lens, which can have negative refracting power, object side surface, and image side surface is in dipped beam It can be convex surface at axis, wherein the 6th lens object side surface can be concave surface at dipped beam axis, and may include that at least one is convex in off-axis place Face.Whereby, the principal point (Principal Point) of camera optical eyeglass group can be made far from imaging surface, be conducive to shorten burnt thereafter Away to maintain miniaturization, and the angle of off-axis field rays incidence can be effectively suppressed, make the response efficiency of electronics photosensitive element It is promoted.

In first lens, the second lens and the third lens, it is convex at dipped beam axis that at least two lens, which can have object side surface, Face and image side surface are concave surface at dipped beam axis.Whereby, the astigmatism of camera optical eyeglass group can be corrected.

It is concave surface at dipped beam axis that 4th lens, the 5th lens and the 6th lens, which can all have a surface, another surface It is convex surface at dipped beam axis.Whereby, the refracting power of camera optical eyeglass group can be balanced and and then correct camera optical eyeglass group Aberration.

The focal length of camera optical eyeglass group is f, and the first lens object side surface to the 6th lens image side surface is on optical axis Distance be TD, meet following condition：0.30<TD/f<0.90.Whereby, the space configuration of lens can be effectively controlled, and is promoted The ability of vista shot.Preferably, following condition can be met：0.30<TD/f<0.85.More preferably, following condition can be met： 0.50<TD/f<0.85。

The focal length of camera optical eyeglass group is f, and the 6th lens image side surface to imaging surface is BL in the distance on optical axis, Meet following condition：0<BL/f<0.25.Whereby, the back focal length of camera optical eyeglass group can be shortened, can avoid overall volume mistake Greatly, conducive to being mounted in miniaturized electronic device.

The focal length of camera optical eyeglass group is f, and the maximum image height of camera optical eyeglass group is ImgH, meets following item Part：2.0<f/ImgH<5.0.Whereby, can control the light beam in camera optical eyeglass group, make its focusing range concentrate at a distance certain One specific region, to promote the acquisition ability of the region high-resolution image.Preferably, following condition can be met：2.35<f/ ImgH<4.5。

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：Nmax<1.70.Whereby, contribute to the reduction of aberration.

The abbe number of 5th lens is V5, meets following condition：V5<30.Whereby, contribute to camera optical eyeglass group The amendment of aberration.

Camera optical eyeglass group can also include an aperture, and without the lens with refracting power between aperture and the first lens. Aperture to the 6th lens image side surface in the distance on optical axis be SD, the first lens object side surface to the 6th lens image side surface in Distance on optical axis is TD, meets following condition：0.75<SD/TD<1.0.Whereby, be conducive to camera optical eyeglass group remote Balance is obtained in heart characteristic and Wide-angle characteristic.

Intersection point of 6th lens image side surface on optical axis to the 6th lens image side surface maximum effective radius position in The horizontal displacement distance of optical axis is SAG62, and the 6th lens are CT6 in the thickness on optical axis, meet following condition：SAG62+ CT6<0mm.Whereby, the shape of lens is conducive to manufacture and be molded.

The radius of curvature of 5th lens image side surface is R10, and the radius of curvature of the 6th lens object side surface is R11, is expired Foot row condition：1.0<(R10+R11)/(R10-R11)<8.0.Whereby, astigmatism can be effectively reduced.

The focal length of camera optical eyeglass group is f, and the focal length of the first lens is f1, and the focal length of the second lens is f2, and the 6th thoroughly The focal length of mirror is f6, meets following condition：5.0<|f/f1|+|f/f2|+|f/f6|.Whereby, camera optical eyeglass group flexion The configuration of power helps to shorten total length, maintains its miniaturization.

The maximum image height of a diameter of EPD of entrance pupil of camera optical eyeglass group, camera optical eyeglass group are ImgH, are met Following condition：0.8<EPD/ImgH<2.0.Whereby, the light-inletting quantity of camera optical eyeglass group can be increased.

The half at maximum visual angle is HFOV in camera optical eyeglass group, meets following condition：7.5 degree<HFOV<23.5 Degree.Whereby, can have field angle appropriate and imaging range, avoid the generation of stray light.

The radius of curvature of 4th lens object side surface is R7, and the radius of curvature on the 4th lens image side surface is R8, is met Following condition：-0.3<(R7-R8)/(R7+R8)<0.6.Whereby, contribute to the amendment of camera optical eyeglass group astigmatism.

Aperture and the first lens object side surface are Dsr1, aperture and the first lens image side table in the spacing distance on optical axis Face is Dsr2 in the spacing distance on optical axis, meets following condition：1.40<|Dsr1/Dsr2|.Whereby, first can be promoted thoroughly The ability of mirror light convergence.

Image-taking device can include also a prism, be set in the light path between object and camera optical eyeglass group.Whereby, So that the light path of incident light is turned to, reduce the height being arranged needed for camera optical eyeglass group, can more promote its capture dress mounted It sets or the miniaturization of electronic device.

First lens object side surface is TL in the distance on optical axis to imaging surface, and the maximum image height of camera optical eyeglass group is ImgH meets following condition：2.0<TL/ImgH<3.0.Whereby, the total length of camera optical eyeglass group can be effectively shortened, dimension Hold its miniaturization.

First lens object side surface to the 6th lens image side surface is TD, the third lens image side surface in the distance on optical axis With the 5th lens object side surface at a distance from optical axis be Dr6r9, meet following condition：TD/Dr6r9<3.1.Whereby, can have Effect maintains total length appropriate, promotes its miniaturization.

The radius of curvature of 6th lens object side surface is R11, and the radius of curvature on the 6th lens image side surface is R12, is expired Foot row condition：(R11+R12)/(R11-R12)<-1.0.Whereby, the susceptibility of camera optical eyeglass group can be effectively reduced.

It is each two adjacent in first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens Lens are Σ AT in the summation of spacing distance on optical axis, and the first lens object side surface to the 6th lens image side surface is on optical axis Distance is TD, meets following condition：0.40<ΣAT/TD.Whereby, it can effectively shorten total length, maintain its miniaturization.

The focal length of camera optical eyeglass group is f, and the radius of curvature of the first lens object side surface is R1, the 6th lens image side table The radius of curvature in face is R12, meets following condition：4.0<f/R1-f/R12<8.5.Whereby, be conducive to shorten its back focal length with Maintain miniaturization.

In camera optical eyeglass group provided by the invention, the material of lens can be plastic cement or glass.When the material of lens is Plastic cement can effectively reduce production cost.The another material for working as lens is glass, then can increase camera optical eyeglass group refracting power The degree of freedom of configuration.In addition, the object side surface and image side surface in camera optical eyeglass group can be aspherical (ASP), it is aspherical It can be easy to be fabricated to the shape other than spherical surface, obtain more controlled variable, to cut down aberration, and then reduce lens and use Number, therefore can effectively reduce the total length of camera optical eyeglass group of the present invention.

Furthermore in camera optical eyeglass group provided by the invention, if lens surface is convex surface and does not define the convex surface position When, then it represents 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, table Show that the lens surface is concave surface at dipped beam axis.In taking lens system provided by the invention, if lens have positive refracting power or The focal length of negative refracting power or lens, all refers to the refracting power or focal length at lens dipped beam axis.

In addition, in camera optical eyeglass group of the present invention, an at least diaphragm can be set on demand and helped with reducing stray light In promotion image quality.

The imaging surface of the camera optical eyeglass group of the present invention can be one flat according to the difference of its corresponding electronics photosensitive element Face or the curved surface for having any curvature particularly relate to concave surface towards the curved surface toward object side direction.

The present invention camera optical eyeglass group in, aperture configuration can be preposition aperture or in set aperture, wherein preposition aperture Imply that aperture is set between object and the first lens, in set aperture and then indicate that aperture is set between the first lens and imaging surface. If aperture is preposition aperture, can make the outgoing pupil (Exit Pupil) of camera optical eyeglass group and imaging surface generate it is longer away from From the CCD or CMOS for making it have telecentricity (Telecentric) effect, and can increasing electronics photosensitive element receive the effect of image Rate；Aperture is set if in, contributes to the field angle of expansion system, makes camera optical eyeglass group that there is the advantage of wide-angle lens.

The present invention many-sided can also be applied to three-dimensional (3D) image capture, digital camera, mobile product, tablet computer, Smart television, network monitoring device, somatic sensation television game machine, automobile data recorder, the reversing electronics such as developing apparatus and wearable product dress In setting.

The present invention provides a kind of image-taking device, including camera optical eyeglass group above-mentioned and electronics photosensitive element, wherein Electronics photosensitive element is set to the imaging surface of camera optical eyeglass group.There is the configuration of positive refracting power by the first lens, can incite somebody to action The light aggregate capabilities of whole camera optical eyeglass group concentrate on its object side, so as to effectively controlling the body of camera optical eyeglass group Product, meets the characteristic of miniaturization.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, including image-taking device above-mentioned.Whereby, have and promote image quality and effect Fruit.Preferably, electronic device can further include control unit (Control Unit), display unit (Display), storage list First (Storage Unit), temporary storage element (RAM) or combinations thereof.

According to the above embodiment, specific embodiment set forth below simultaneously coordinates attached drawing to be described in detail.

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 camera optical eyeglass group (not another label) and electronics photosensitive element 190.Camera optical eyeglass group is by object side to picture Side includes sequentially aperture 100, the first lens 110, the second lens 120, the third lens 130, the 4th lens 140, the 5th lens 150, the 6th lens 160, infrared ray filter out filter element 170 and imaging surface 180, and electronics photosensitive element 190 is set to and takes the photograph As the imaging surface 180 of optical mirror slip group, the lens with refracting power are six (110-160) wherein in camera optical eyeglass group, And with a spacing distance between two adjacent lens with refracting power, and moved without opposite between the lens with refracting power It is dynamic.

First lens 110 have positive refracting power, and are plastic cement material, and object side surface 111 is convex surface at dipped beam axis, Image side surface 112 is convex surface at dipped beam axis, and is all aspherical.In addition, the first lens image side surface 112 includes in off-axis place An at least concave surface.

Second lens 120 have negative refracting power, and are plastic cement material, and object side surface 121 is convex surface at dipped beam axis, Image side surface 122 is concave surface at dipped beam axis, and is all aspherical.

The third lens 130 have negative refracting power, and are plastic cement material, and object side surface 131 is convex surface at dipped beam axis, Image side surface 132 is concave surface at dipped beam axis, and is all aspherical.

4th lens 140 have positive refracting power, and are plastic cement material, and object side surface 141 is concave surface at dipped beam axis, Image side surface 142 is convex surface at dipped beam axis, and is all aspherical.

5th lens 150 have positive refracting power, and are plastic cement material, and object side surface 151 is concave surface at dipped beam axis, Image side surface 152 is convex surface at dipped beam axis, and is all aspherical.

6th lens 160 have negative refracting power, and are plastic cement material, and object side surface 161 is concave surface at dipped beam axis, Image side surface 162 is convex surface at dipped beam axis, and is all aspherical.In addition, the 6th lens object side surface 161 includes in off-axis place An at least 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 camera optical eyeglass group.

The aspherical fitting equation of above-mentioned each lens indicates as follows：

Wherein：

X：Apart from the point that optical axis is Y 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：I-th rank asphericity coefficient.

In the camera optical eyeglass group of first embodiment, the focal length of camera optical eyeglass group is f, camera optical eyeglass group F-number (f-number) is Fno, and the half at maximum visual angle is HFOV in camera optical eyeglass group, and numerical value is as follows：F= 6.60mm；Fno=2.85；And HFOV=16.3 degree.

In the camera optical eyeglass group of first embodiment, the abbe number of the 5th lens 150 is V5, meets following item Part：V5=21.4.

In the camera optical eyeglass group of first embodiment, the refractive index of the first lens 110 is N1, the folding of the second lens 120 It is N2 to penetrate rate, and the refractive index of the third lens 130 is N3, and the refractive index of the 4th lens 140 is N4, the refractive index of the 5th lens 150 Refractive index for N5, the 6th lens 160 is N6, and the maximum is Nmax wherein in N1, N2, N3, N4, N5 and N6, is met following Condition：Nmax=1.650.

In the camera optical eyeglass group of first embodiment, the radius of curvature of the 4th lens object side surface 141 is R7, and the 4th thoroughly The radius of curvature of mirror image side surface 142 is R8, meets following condition：(R7-R8)/(R7+R8)=0.03.

In the camera optical eyeglass group of first embodiment, the radius of curvature on the 5th lens image side surface 152 is R10, the 6th The radius of curvature of lens object side surface 161 is R11, and the radius of curvature on the 6th lens image side surface 162 is R12, is met following Condition：(R10+R11)/(R10-R11)=1.62；And (R11+R12)/(R11-R12)=- 1.38.

In the camera optical eyeglass group of first embodiment, the focal length of camera optical eyeglass group is f, the first lens object side surface 111 radius of curvature is R1, and the radius of curvature on the 6th lens image side surface 162 is R12, meets following condition：f/R1-f/ R12=5.63.

In the camera optical eyeglass group of first embodiment, the focal length of camera optical eyeglass group is f, the coke of the first lens 110 It is f2 away from the focal length for f1, the second lens 120, the focal length of the 6th lens 160 is f6, meets following condition：|f/f1|+|f/ F2 |+| f/f6 |=7.30.

In the camera optical eyeglass group of first embodiment, 100 to the 6th lens image side surface 162 of aperture on optical axis away from From for SD, 111 to the 6th lens image side surface 162 of the first lens object side surface is TD in the distance on optical axis, is met following Condition：SD/TD=0.87.

In the camera optical eyeglass group of first embodiment, the first lens 110 and the second lens 120 are in spacing distance on optical axis For T12, the second lens 120 and the third lens 130 in spacing distance on optical axis be T23, the third lens 130 and the 4th lens 140 In spacing distance on optical axis be T34, the 4th lens 140 and the 5th lens 150 in spacing distance on optical axis be T45 and the 5th saturating Mirror 150 and the 6th lens 160 are T56 in spacing distance on optical axis, and (110-160) each two adjacent lens are in light in six pieces of lens The summation of spacing distance is Σ AT (i.e. Σ AT=T12+T23+T34+T45+T56), the first lens object side surface 111 to the on axis Six lens image sides surface 162 are TD in the distance on optical axis, meet following condition：Σ AT/TD=0.48.

In the camera optical eyeglass group of first embodiment, 111 to the 6th lens image side surface 162 of the first lens object side surface It is TD in the distance on optical axis, the third lens image side surface 132 is at a distance from optical axis with the 5th lens object side surface 151 Dr6r9 meets following condition：TD/Dr6r9=2.49.

In the camera optical eyeglass group of first embodiment, the focal length of camera optical eyeglass group is f, the first lens object side surface 111 to the 6th lens image sides surface 162 are TD in the distance on optical axis, meet following condition：TD/f=0.71.

In the camera optical eyeglass group of first embodiment, the focal length of camera optical eyeglass group is f, the 6th lens image side surface 162 to imaging surface 180 in the distance on optical axis be BL, meet following condition：BL/f=0.10.

It please coordinate referring to Fig.1 7, be the schematic diagram being painted according to parameter Dsr1 and Dsr2 in Fig. 1 first embodiments.By Figure 17 It is found that aperture 100 and the first lens object side surface 111 are Dsr1, aperture 100 and the first lens picture in the spacing distance on optical axis Side surface 112 is Dsr2 in the spacing distance on optical axis, meets following condition：| Dsr1/Dsr2 |=2.29.

In the camera optical eyeglass group of first embodiment, intersection point of the 6th lens image side surface 162 on optical axis to the 6th The maximum effective radius position on lens image side surface 162 is SAG62 in the horizontal displacement distance of optical axis, and the 6th lens 160 are in light Thickness on axis is CT6, meets following condition：SAG62+CT6=-0.19mm.

In the camera optical eyeglass group of first embodiment, the focal length of camera optical eyeglass group is f, camera optical eyeglass group Maximum image height is ImgH (i.e. the half of 190 effective sensing region diagonal line length of electronics photosensitive element), meets following condition：f/ ImgH=3.30.

In the camera optical eyeglass group of first embodiment, a diameter of EPD of entrance pupil of camera optical eyeglass group, camera optical The maximum image height of lens set is ImgH, meets following condition：EPD/ImgH=1.16.

In the camera optical eyeglass group of first embodiment, the first lens object side surface 111 is to imaging surface 180 on optical axis Distance is TL, and the maximum image height of camera optical eyeglass group is ImgH, meets following condition：TL/ImgH=2.67.

Coordinate again with reference to following table one and table two.

Table one is the detailed structured data of Fig. 1 first embodiments, 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 tables Conical surface coefficient in aspheric curve equation, A4-A14 then indicate each surface 4-14 rank asphericity coefficients.In addition, following Embodiment table is schematic diagram and the 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 with repeats herein.

Please coordinate referring to Fig.1 8, be painted according to camera optical eyeglass group L in Fig. 1 first embodiments and object O and its The schematic diagram of relationship is arranged in imaging surface 180.As shown in Figure 18, incident light can be incident in camera optical eyeglass from object O straight lines Group L, and be imaged in its imaging surface 180.

Refer again to Figure 19, be painted according to camera optical eyeglass group L, prism P and object O in Fig. 1 first embodiments and The schematic diagram of another setting relationship of its imaging surface 180.It appears from figure 19 that image-taking device can include also a prism P, it is set to In light path between object O and camera optical eyeglass group L.Through the setting of prism P, the light path of incident light can be made to turn to, subtracted The height being arranged needed for few camera optical eyeglass group, can more promote the miniaturization of its image-taking device or electronic device mounted.

Following examples can all be configured with above-mentioned Figure 18 or Figure 19, therefore without adding repeating.

Fig. 3 and Fig. 4 is please referred to, 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 camera optical eyeglass group (not another label) and electronics photosensitive element 290.Camera optical eyeglass group is by object side to picture Side includes sequentially aperture 200, the first lens 210, the second lens 220, the third lens 230, the 4th lens 240, the 5th lens 250, the 6th lens 260, infrared ray filter out filter element 270 and imaging surface 280, and electronics photosensitive element 290 is set to and takes the photograph As the imaging surface 280 of optical mirror slip group, the lens with refracting power are six (210-260) wherein in camera optical eyeglass group, And with a spacing distance between two adjacent lens with refracting power, and moved without opposite between the lens with refracting power It is dynamic.

First lens 210 have positive refracting power, and are plastic cement material, and object side surface 211 is convex surface at dipped beam axis, Image side surface 212 is convex surface at dipped beam axis, and is all aspherical.In addition, the first lens image side surface 212 includes in off-axis place An at least concave surface.

Second lens 220 have negative refracting power, and are plastic cement material, and object side surface 221 is convex surface at dipped beam axis, Image side surface 222 is concave surface at dipped beam axis, and is all aspherical.

The third lens 230 have negative refracting power, and are plastic cement material, and object side surface 231 is convex surface at dipped beam axis, Image side surface 232 is concave surface at dipped beam axis, and is all aspherical.

4th lens 240 have negative refracting power, and are plastic cement material, and object side surface 241 is convex surface at dipped beam axis, Image side surface 242 is concave surface at dipped beam axis, and is all aspherical.

5th lens 250 have positive refracting power, and are plastic cement material, and object side surface 251 is concave surface at dipped beam axis, Image side surface 252 is convex surface at dipped beam axis, and is all aspherical.

6th lens 260 have negative refracting power, and are plastic cement material, and object side surface 261 is concave surface at dipped beam axis, Image side surface 262 is convex surface at dipped beam axis, and is all aspherical.In addition, the 6th lens object side surface 261 includes in off-axis place An at least 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 camera optical eyeglass group.

Coordinate again with reference 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：

<3rd embodiment>

Fig. 5 and Fig. 6 is please referred to, 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 camera optical eyeglass group (not another label) and electronics photosensitive element 390.Camera optical eyeglass group is by object side to picture Side includes sequentially aperture 300, the first lens 310, the second lens 320, the third lens 330, the 4th lens 340, the 5th lens 350, the 6th lens 360, infrared ray filter out filter element 370 and imaging surface 380, and electronics photosensitive element 390 is set to and takes the photograph As the imaging surface 380 of optical mirror slip group, the lens with refracting power are six (310-360) wherein in camera optical eyeglass group, And with a spacing distance between two adjacent lens with refracting power, and moved without opposite between the lens with refracting power It is dynamic.

First lens 310 have positive refracting power, and are plastic cement material, and object side surface 311 is convex surface at dipped beam axis, Image side surface 312 is convex surface at dipped beam axis, and is all aspherical.In addition, the first lens image side surface 312 includes in off-axis place An at least concave surface.

Second lens 320 have negative refracting power, and are plastic cement material, and object side surface 321 is concave surface at dipped beam axis, Image side surface 322 is concave surface at dipped beam axis, and is all aspherical.

The third lens 330 have negative refracting power, and are plastic cement material, and object side surface 331 is concave surface at dipped beam axis, Image side surface 332 is concave surface at dipped beam axis, and is all aspherical.

4th lens 340 have negative refracting power, and are plastic cement material, and object side surface 341 is convex surface at dipped beam axis, Image side surface 342 is concave surface at dipped beam axis, and is all aspherical.

5th lens 350 have positive refracting power, and are plastic cement material, and object side surface 351 is concave surface at dipped beam axis, Image side surface 352 is convex surface at dipped beam axis, and is all aspherical.

6th lens 360 have negative refracting power, and are plastic cement material, and object side surface 361 is concave surface at dipped beam axis, Image side surface 362 is convex surface at dipped beam axis, and is all aspherical.In addition, the 6th lens object side surface 361 includes in off-axis place An at least 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 camera optical eyeglass group.

Coordinate again with reference 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：

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 camera optical eyeglass group (not another label) and electronics photosensitive element 490.Camera optical eyeglass group is by object side to picture Side includes sequentially aperture 400, the first lens 410, the second lens 420, the third lens 430, the 4th lens 440, the 5th lens 450, the 6th lens 460, infrared ray filter out filter element 470 and imaging surface 480, and electronics photosensitive element 490 is set to and takes the photograph As the imaging surface 480 of optical mirror slip group, the lens with refracting power are six (410-460) wherein in camera optical eyeglass group, And with a spacing distance between two adjacent lens with refracting power, and moved without opposite between the lens with refracting power It is dynamic.

First lens 410 have positive refracting power, and are plastic cement material, and object side surface 411 is convex surface at dipped beam axis, Image side surface 412 is convex surface at dipped beam axis, and is all aspherical.In addition, the first lens image side surface 412 includes in off-axis place An at least concave surface.

Second lens 420 have negative refracting power, and are plastic cement material, and object side surface 421 is convex surface at dipped beam axis, Image side surface 422 is concave surface at dipped beam axis, and is all aspherical.

The third lens 430 have negative refracting power, and are plastic cement material, and object side surface 431 is concave surface at dipped beam axis, Image side surface 432 is concave surface at dipped beam axis, and is all aspherical.

4th lens 440 have positive refracting power, and are plastic cement material, and object side surface 441 is concave surface at dipped beam axis, Image side surface 442 is convex surface at dipped beam axis, and is all aspherical.

5th lens 450 have negative refracting power, and are plastic cement material, and object side surface 451 is concave surface at dipped beam axis, Image side surface 452 is convex surface at dipped beam axis, and is all aspherical.

6th lens 460 have negative refracting power, and are plastic cement material, and object side surface 461 is concave surface at dipped beam axis, Image side surface 462 is convex surface at dipped beam axis, and is all aspherical.In addition, the 6th lens object side surface 461 includes in off-axis place An at least 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 camera optical eyeglass group.

Coordinate again with reference 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：

<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 camera optical eyeglass group (not another label) and electronics photosensitive element 590.Camera optical eyeglass group is by object side It is sequentially saturating comprising aperture 500, the first lens 510, the second lens 520, the third lens 530, the 4th lens the 540, the 5th to image side Mirror 550, the 6th lens 560, infrared ray filter out filter element 570 and imaging surface 580, and electronics photosensitive element 590 is set to The imaging surface 580 of camera optical eyeglass group, the lens with refracting power are six (510- wherein in camera optical eyeglass group 560), and appoint between two adjacent lens with refracting power with a spacing distance, and nothing between the lens with refracting power Relative movement.

First lens 510 have positive refracting power, and are plastic cement material, and object side surface 511 is convex surface at dipped beam axis, Image side surface 512 is concave surface at dipped beam axis, and is all aspherical.

Second lens 520 have negative refracting power, and are plastic cement material, and object side surface 521 is convex surface at dipped beam axis, Image side surface 522 is concave surface at dipped beam axis, and is all aspherical.

The third lens 530 have positive refracting power, and are plastic cement material, and object side surface 531 is convex surface at dipped beam axis, Image side surface 532 is concave surface at dipped beam axis, and is all aspherical.

4th lens 540 have positive refracting power, and are plastic cement material, and object side surface 541 is concave surface at dipped beam axis, Image side surface 542 is convex surface at dipped beam axis, and is all aspherical.

5th lens 550 have positive refracting power, and are plastic cement material, and object side surface 551 is concave surface at dipped beam axis, Image side surface 552 is convex surface at dipped beam axis, and is all aspherical.

6th lens 560 have negative refracting power, and are plastic cement material, and object side surface 561 is concave surface at dipped beam axis, Image side surface 562 is convex surface at dipped beam axis, and is all aspherical.In addition, the 6th lens object side surface 561 includes in off-axis place An at least 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 camera optical eyeglass group.

Coordinate again with reference 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：

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 camera optical eyeglass group (not another label) and electronics photosensitive element 690.Camera optical eyeglass group is by object Side to image side includes sequentially aperture 600, the first lens 610, the second lens 620, the third lens 630, the 4th lens the 640, the 5th Lens 650, the 6th lens 660, infrared ray filter out filter element 670 and imaging surface 680, and electronics photosensitive element 690 is arranged In the imaging surface 680 of camera optical eyeglass group, the lens with refracting power are six (610- wherein in camera optical eyeglass group 660), and appoint between two adjacent lens with refracting power with a spacing distance, and nothing between the lens with refracting power Relative movement.

First lens 610 have positive refracting power, and are plastic cement material, and object side surface 611 is convex surface at dipped beam axis, Image side surface 612 is convex surface at dipped beam axis, and is all aspherical.In addition, the first lens image side surface 612 includes in off-axis place An at least concave surface.

Second lens 620 have negative refracting power, and are plastic cement material, and object side surface 621 is convex surface at dipped beam axis, Image side surface 622 is concave surface at dipped beam axis, and is all aspherical.

The third lens 630 have negative refracting power, and are plastic cement material, and object side surface 631 is convex surface at dipped beam axis, Image side surface 632 is concave surface at dipped beam axis, and is all aspherical.

4th lens 640 have negative refracting power, and are plastic cement material, and object side surface 641 is convex surface at dipped beam axis, Image side surface 642 is concave surface at dipped beam axis, and is all aspherical.

5th lens 650 have positive refracting power, and are plastic cement material, and object side surface 651 is convex surface at dipped beam axis, Image side surface 652 is convex surface at dipped beam axis, and is all aspherical.

6th lens 660 have negative refracting power, and are plastic cement material, and object side surface 661 is concave surface at dipped beam axis, Image side surface 662 is convex surface at dipped beam axis, and is all aspherical.In addition, the 6th lens object side surface 661 includes in off-axis place An at least 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 camera optical eyeglass group.

Coordinate again with reference 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：

<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 camera optical eyeglass group (not another label) and electronics photosensitive element 790.Camera optical eyeglass group is by object Side to image side includes sequentially aperture 700, the first lens 710, the second lens 720, the third lens 730, the 4th lens the 740, the 5th Lens 750, the 6th lens 760, infrared ray filter out filter element 770 and imaging surface 780, and electronics photosensitive element 790 is arranged In the imaging surface 780 of camera optical eyeglass group, the lens with refracting power are six (710- wherein in camera optical eyeglass group 760), and appoint between two adjacent lens with refracting power with a spacing distance, and nothing between the lens with refracting power Relative movement.

First lens 710 have positive refracting power, and are glass material, and object side surface 711 is convex surface at dipped beam axis, Image side surface 712 is convex surface at dipped beam axis, and is all aspherical.In addition, the first lens image side surface 712 includes in off-axis place An at least concave surface.

Second lens 720 have negative refracting power, and are plastic cement material, and object side surface 721 is convex surface at dipped beam axis, Image side surface 722 is concave surface at dipped beam axis, and is all aspherical.

The third lens 730 have negative refracting power, and are plastic cement material, and object side surface 731 is concave surface at dipped beam axis, Image side surface 732 is concave surface at dipped beam axis, and is all aspherical.

4th lens 740 have positive refracting power, and are plastic cement material, and object side surface 741 is convex surface at dipped beam axis, Image side surface 742 is convex surface at dipped beam axis, and is all aspherical.

5th lens 750 have positive refracting power, and are plastic cement material, and object side surface 751 is concave surface at dipped beam axis, Image side surface 752 is convex surface at dipped beam axis, and is all aspherical.

6th lens 760 have negative refracting power, and are plastic cement material, and object side surface 761 is concave surface at dipped beam axis, Image side surface 762 is convex surface at dipped beam axis, and is all aspherical.In addition, the 6th lens object side surface 761 includes in off-axis place An at least 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 camera optical eyeglass group.

Coordinate again with reference 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：

<8th embodiment>

Figure 15 and Figure 16 is please referred to, wherein Figure 15 is painted a kind of signal of image-taking device according to eighth embodiment of the invention Figure, Figure 16 are sequentially spherical aberration, astigmatism and the distortion curve graph of the 8th embodiment from left to right.As shown in Figure 15, the 8th embodiment Image-taking device include camera optical eyeglass group (not another label) and electronics photosensitive element 890.Camera optical eyeglass group is by object Side to image side includes sequentially the first lens 810, aperture 800, the second lens 820, the third lens 830, the 4th lens the 840, the 5th Lens 850, the 6th lens 860, infrared ray filter out filter element 870 and imaging surface 880, and electronics photosensitive element 890 is arranged In the imaging surface 880 of camera optical eyeglass group, the lens with refracting power are six (810- wherein in camera optical eyeglass group 860), and appoint between two adjacent lens with refracting power with a spacing distance, and nothing between the lens with refracting power Relative movement.

First lens 810 have positive refracting power, and are plastic cement material, and object side surface 811 is convex surface at dipped beam axis, Image side surface 812 is convex surface at dipped beam axis, and is all aspherical.In addition, the first lens image side surface 812 includes in off-axis place An at least concave surface.

Second lens 820 have negative refracting power, and are plastic cement material, and object side surface 821 is convex surface at dipped beam axis, Image side surface 822 is concave surface at dipped beam axis, and is all aspherical.

The third lens 830 have negative refracting power, and are plastic cement material, and object side surface 831 is convex surface at dipped beam axis, Image side surface 832 is concave surface at dipped beam axis, and is all aspherical.

4th lens 840 have positive refracting power, and are plastic cement material, and object side surface 841 is concave surface at dipped beam axis, Image side surface 842 is convex surface at dipped beam axis, and is all aspherical.

5th lens 850 have positive refracting power, and are plastic cement material, and object side surface 851 is concave surface at dipped beam axis, Image side surface 852 is convex surface at dipped beam axis, and is all aspherical.

6th lens 860 have negative refracting power, and are plastic cement material, and object side surface 861 is concave surface at dipped beam axis, Image side surface 862 is convex surface at dipped beam axis, and is all aspherical.In addition, the 6th lens object side surface 861 includes in off-axis place An at least convex surface.

It is glass material that infrared ray, which filters out filter element 870, is set between the 6th lens 860 and imaging surface 880 and not Influence the focal length of camera optical eyeglass group.

Coordinate again with reference to following table 15 and table 16.

In 8th 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 15 and table 16 can extrapolate following data：

<9th embodiment>

Figure 20 is please referred to, is the schematic diagram for being painted a kind of electronic device 10 according to ninth embodiment of the invention.9th is real The electronic device 10 for applying example is a smart mobile phone, and electronic device 10 includes image-taking device 11, and image-taking device 11 includes according to this hair Bright camera optical eyeglass group (figure does not disclose) and electronics photosensitive element (figure does not disclose), wherein electronics photosensitive element is set to The imaging surface of camera optical eyeglass group.

Figure 21 is please referred to, is the schematic diagram for being painted a kind of electronic device 20 according to tenth embodiment of the invention.Tenth 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 camera optical eyeglass group (figure does not disclose) and electronics photosensitive element (figure does not disclose) of invention, wherein electronics photosensitive element is arranged In the imaging surface of camera optical eyeglass group.

<11st embodiment>

Figure 22 is please referred to, is the schematic diagram for being painted a kind of electronic device 30 according to eleventh embodiment of the invention.Tenth The electronic device 30 of one embodiment is a head-mounted display (Head-mounted display, HMD), and electronic device 30 includes Image-taking device 31, image-taking device 31 include camera optical eyeglass group (figure does not disclose) and electronics photosensitive element according to the present invention (figure does not disclose), wherein electronics photosensitive element is set to the imaging surface of camera optical eyeglass group.

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

1. a kind of camera optical eyeglass group, which is characterized in that include sequentially by object side to image side：

One first lens, it is convex surface at dipped beam axis to have positive refracting power, object side surface；

One second lens；

One the third lens, object side surface and image side surface are all aspherical；

One the 4th lens, object side surface and image side surface are all aspherical；

One the 5th lens, object side surface and image side surface are all aspherical；And

One the 6th lens, object side surface and image side surface are all aspherical；

Wherein, the lens in the camera optical eyeglass group are six, and without relative movement, the camera optical eyeglass between the lens The focal length of group is f, and the first lens object side surface to the 6th lens image side surface is TD in the distance on optical axis, and the 6th thoroughly Mirror image side surface is BL in the distance on optical axis to an imaging surface, and the maximum image height of the camera optical eyeglass group is ImgH, this The refractive index of one lens is N1, and the refractive index of second lens is N2, and the refractive index of the third lens is N3, the 4th lens Refractive index 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：

0.30<TD/f<0.90；

0<BL/f<0.25；

2.0<f/ImgH<5.0；And

Nmax<1.70。

2. camera optical eyeglass group according to claim 1, which is characterized in that the 6th lens have negative refracting power.

3. camera optical eyeglass group according to claim 1, which is characterized in that second lens have negative refracting power, Image side surface is concave surface at dipped beam axis.

4. camera optical eyeglass group according to claim 1, which is characterized in that the focal length of the camera optical eyeglass group is f, The maximum image height of the camera optical eyeglass group is ImgH, meets following condition：

2.35<f/ImgH<4.5。

5. camera optical eyeglass group according to claim 1, which is characterized in that the third lens image side surface is in dipped beam axis Place is concave surface.

6. camera optical eyeglass group according to claim 1, which is characterized in that the abbe number of the 5th lens is V5, It meets following condition：

V5<30。

7. camera optical eyeglass group according to claim 1, which is characterized in that also include：

One aperture, the wherein aperture to the 6th lens image side surface in the distance on optical axis be SD, the first lens object side table Face to the 6th lens image side surface is TD in the distance on optical axis, meets following condition：

0.75<SD/TD<1.0。

8. camera optical eyeglass group according to claim 1, which is characterized in that the 6th lens image side surface is on optical axis The maximum effective radius position on intersection point to the 6th lens image side surface in the horizontal displacement distance of optical axis be SAG62, this Six lens are CT6 in the thickness on optical axis, meet following condition：

SAG62+CT6<0mm。

9. camera optical eyeglass group according to claim 1, which is characterized in that the curvature on the 5th lens image side surface half Diameter is R10, and the radius of curvature of the 6th lens object side surface is R11, meets following condition：

1.0<(R10+R11)/(R10-R11)<8.0。

10. camera optical eyeglass group according to claim 1, which is characterized in that the focal length of the camera optical eyeglass group is The focal length of f, first lens are f1, and the focal length of second lens is f2, and the focal length of the 6th lens is f6, meets following item Part：

5.0<|f/f1|+|f/f2|+|f/f6|。

11. camera optical eyeglass group according to claim 1, which is characterized in that the 6th lens object side surface is in dipped beam It is concave surface at axis, and include an at least convex surface in off-axis place.

12. a kind of image-taking device, which is characterized in that include：

Camera optical eyeglass group as described in claim 1；And

One electronics photosensitive element is set to the imaging surface of the camera optical eyeglass group.

13. a kind of electronic device, which is characterized in that include：

Image-taking device as claimed in claim 12.

14. a kind of camera optical eyeglass group, which is characterized in that include sequentially by object side to image side：

One second lens；

Wherein, the lens in the camera optical eyeglass group are six, and have a spacing distance between two adjacent lens, and institute It also includes an aperture to state between lens without relative movement, the camera optical eyeglass group, and without thoroughly between the aperture and first lens The focal length of mirror, the camera optical eyeglass group is f, and the first lens object side surface to the 6th lens image side surface is on optical axis Distance is TD, and the maximum image height of the camera optical eyeglass group is ImgH, and the refractive index of first lens is N1, second lens Refractive index is N2, and the refractive index of the third lens is N3, and the refractive index of the 4th lens is N4, and the refractive index of the 5th lens is The refractive index of N5, the 6th lens are N6, and the maximum is Nmax wherein in N1, N2, N3, N4, N5 and N6, meets following item Part：

0.30<TD/f<0.90；

2.35<f/ImgH<4.5；And

Nmax<1.70。

15. camera optical eyeglass group according to claim 14, which is characterized in that second lens have negative refracting power.

16. camera optical eyeglass group according to claim 14, which is characterized in that the 5th lens have positive refracting power, 6th lens have negative refracting power.

17. camera optical eyeglass group according to claim 14, which is characterized in that the focal length of the camera optical eyeglass group is F, the first lens object side surface to the 6th lens image side surface are TD in the distance on optical axis, meet following condition：

0.50<TD/f<0.85。

18. camera optical eyeglass group according to claim 14, which is characterized in that the entrance pupil of the camera optical eyeglass group The maximum image height of a diameter of EPD, the camera optical eyeglass group are ImgH, meet following condition：

0.8<EPD/ImgH<2.0。

19. camera optical eyeglass group according to claim 14, which is characterized in that maximum regards in the camera optical eyeglass group The half at angle is HFOV, meets following condition：

7.5 degree<HFOV<23.5 degree.

20. camera optical eyeglass group according to claim 14, which is characterized in that first lens, second lens with And at least two lens are convex surface at dipped beam axis with object side surface in the third lens and image side surface is recessed at dipped beam axis Face.

21. camera optical eyeglass group according to claim 14, which is characterized in that the curvature of the 4th lens object side surface Radius is R7, and the radius of curvature on the 4th lens image side surface is R8, meets following condition：

-0.3<(R7-R8)/(R7+R8)<0.6。

22. camera optical eyeglass group according to claim 14, which is characterized in that the aperture and the first lens object side table Face is Dsr1 in the spacing distance on optical axis, which is in the spacing distance on optical axis with the first lens image side surface Dsr2 meets following condition：

1.40<|Dsr1/Dsr2|。

23. a kind of image-taking device, which is characterized in that include：

Camera optical eyeglass group as claimed in claim 14；

One prism is set in the light path between an object and the camera optical eyeglass group；And

One electronics photosensitive element is set to an imaging surface of the camera optical eyeglass group.

24. a kind of camera optical eyeglass group, which is characterized in that include sequentially by object side to image side：

One second lens have negative refracting power；

Wherein, first lens, second lens, the third lens, the 4th lens, the 5th lens and the 6th lens It is all plastic cement material, the lens in the camera optical eyeglass group are six, and without relative movement, the camera optical between the lens The focal length of lens set is f, and the first lens object side surface to the 6th lens image side surface is TD in the distance on optical axis, this Six lens image side surfaces a to imaging surface are BL in the distance on optical axis, and the first lens object side surface to the imaging surface is in optical axis On distance be TL, the maximum image height of the camera optical eyeglass group is ImgH, and the refractive index of first lens is N1, this is 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 the maximum is Nmax wherein in N1, N2, N3, N4, N5 and N6, is met following Condition：

0.30<TD/f<0.85；

0<BL/f<0.25；

2.0<TL/ImgH<3.0；And

Nmax<1.70。

25. camera optical eyeglass group according to claim 24, which is characterized in that the 5th lens image side surface is in dipped beam It is convex surface at axis, the 6th lens object side surface is concave surface at dipped beam axis.

26. camera optical eyeglass group according to claim 24, which is characterized in that the 5th lens object side surface is in dipped beam It is concave surface at axis, the 6th lens image side surface is convex surface at dipped beam axis.

27. camera optical eyeglass group according to claim 24, which is characterized in that the third lens have negative refracting power, The first lens image side surface is convex surface at dipped beam axis, and includes an at least concave surface in off-axis place.

28. camera optical eyeglass group according to claim 24, which is characterized in that the first lens object side surface to this Six lens image side surfaces are TD in the distance on optical axis, and the third lens image side surface is with the 5th lens object side surface in optical axis On distance be Dr6r9, meet following condition：

TD/Dr6r9<3.1。

29. camera optical eyeglass group according to claim 24, which is characterized in that the 4th lens, the 5th lens with And the 6th lens all to have a surface be concave surface, another surface at dipped beam axis be convex surface at dipped beam axis.

30. camera optical eyeglass group according to claim 24, which is characterized in that the curvature of the 6th lens object side surface Radius is R11, and the radius of curvature on the 6th lens image side surface is R12, meets following condition：

(R11+R12)/(R11-R12)<-1.0。

31. camera optical eyeglass group according to claim 24, which is characterized in that the focal length of the camera optical eyeglass group is The focal length of f, first lens are f1, and the focal length of second lens is f2, and the focal length of the 6th lens is f6, meets following item Part：

5.0<|f/f1|+|f/f2|+|f/f6|。

32. camera optical eyeglass group according to claim 24, which is characterized in that first lens, are somebody's turn to do at second lens Each two adjacent lens are in spacing distance on optical axis in the third lens, the 4th lens, the 5th lens and the 6th lens Summation be Σ AT, the first lens object side surface to the 6th lens image side surface in the distance on optical axis be TD, meet Following condition：

0.40<ΣAT/TD。

33. camera optical eyeglass group according to claim 24, which is characterized in that the focal length of the camera optical eyeglass group is The radius of curvature of f, the first lens object side surface are R1, and the radius of curvature on the 6th lens image side surface is R12, under meeting Row condition：

4.0<f/R1-f/R12<8.5。