CN108107550A - Optical imaging lens - Google Patents
Optical imaging lens Download PDFInfo
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- CN108107550A CN108107550A CN201711082176.6A CN201711082176A CN108107550A CN 108107550 A CN108107550 A CN 108107550A CN 201711082176 A CN201711082176 A CN 201711082176A CN 108107550 A CN108107550 A CN 108107550A
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- lens
- optical axis
- object side
- image side
- near zone
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- 238000012634 optical imaging Methods 0.000 title claims abstract description 89
- 230000003287 optical effect Effects 0.000 claims abstract description 230
- 238000003384 imaging method Methods 0.000 claims description 50
- 239000000463 material Substances 0.000 claims description 18
- 229920003023 plastic Polymers 0.000 claims description 15
- 239000004033 plastic Substances 0.000 claims description 15
- 238000009738 saturating Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 62
- 230000004075 alteration Effects 0.000 description 60
- 241000700608 Sagitta Species 0.000 description 24
- 230000008859 change Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- FNMKZDDKPDBYJM-UHFFFAOYSA-N 3-(1,3-benzodioxol-5-yl)-7-(3-methylbut-2-enoxy)chromen-4-one Chemical compound C1=C2OCOC2=CC(C2=COC=3C(C2=O)=CC=C(C=3)OCC=C(C)C)=C1 FNMKZDDKPDBYJM-UHFFFAOYSA-N 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
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- 239000000571 coke Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The present invention provides a kind of optical imaging lens, includes an object side, an image side and an optical axis, six lens.Wherein the object side of second lens has a convex surface part of optical axis near zone, and the convex surface part with circumference near zone, the object side of 3rd lens has a concave part of optical axis near zone, the object side of 4th lens has a convex surface part of optical axis near zone, the image side surface of 5th lens has a concave part of optical axis near zone, and the concave part with circumference near zone, the image side surface of 6th lens has a convex surface part of optical axis near zone, and the convex surface part with circumference near zone, and meet the following conditions:(G12+T3+G34)/EFL≤4.800.Optical imaging lens of the present invention can increase camera lens half angle of view, be provided simultaneously with varying environment at a temperature of low focus offset, camera lens suitable length can also be maintained.
Description
Technical field
The present invention relates to optical imaging field more particularly to a kind of optical imaging lens.
Background technology
The specification of consumer electrical product is maked rapid progress, and is pursued light and short step and is not also slowed down, therefore optical frames
The key part and component of first-class electronic product also has to last for being promoted in specification, to meet consumer demand.And optical lens
It is also increasingly important to promote field of view angle in addition to image quality and volume for most important characteristic.With image sensing technology it
Progress, the application of optical lens are not only only limitted to filmed image and video recording, are also needed plus environmental surveillance, recording journey photography etc.
It asks, therefore in response to the requirement for image quality etc. of environment and consumer of environment or insufficient light, in optical lens
In design field, except pursuing camera lens slimming, while lens imaging quality and performance must be also taken into account.
In addition, electronic device is under different use environments, after the difference of environment temperature may cause optical lens system
Focal length generates variation, and then influences image quality, it is therefore desirable for the back focal length variable quantity of lens group is not susceptible to the variation of temperature
It influences.
There is the problem stated in view of this, camera lens is provided simultaneously with low rear coke at a temperature of varying environment in addition to image quality is good
Away from variable quantity (Back focal length variation) and field of view angle is promoted, is all the improvement weight of this field design
Point.However, the good camera lens scaled down of image quality is not had both into image quality by optical lens design with regard to that can produce merely
Amount and the optical lens of micromation, design process not only involve material property, it is necessary to it is raw that making, assembling yield etc. be contemplated
The practical problem in production face.
Therefore, the technical difficulty that camera lens is miniaturized substantially is higher by conventional lenses, therefore how to produce and meet consumer electronics
The optical lens of product demand, and continue to promote its image quality, always this field production, official, educational circles continue for a long time
The target to progress greatly.
The content of the invention
In view of this, the present invention in embodiment, proposes that one kind can increase camera lens half angle of view, be provided simultaneously with varying environment
At a temperature of low focus offset, the optical imaging lens of camera lens suitable length can also be maintained.The optical imaging lens of the present invention, bag
Inclusion side, image side and optical axis, the first lens carry out first lens with refractive index for object side to image side number, and the second lens are
Object side to image side number carrys out second lens with refractive index, and the 3rd lens come the 4th for image side to object side number has refractive index
Lens, the 4th lens for image side to object side number come three pieces have refractive index lens, the 5th lens be image side to object side number
Carry out second lens with refractive index, the 6th lens come first lens with refractive index, and for image side to object side number
One lens to the 6th lens each include towards object side and make an imaging light by an object side and towards image side and make one
Be imaged light by an image side surface.
In embodiments of the present invention, the second lens have negative refractive index, and the object side of the second lens has optical axis area nearby
One convex surface part in domain and the convex surface part with circumference near zone, the materials of the 3rd lens are plastics, the object of the 3rd lens
Side has a concave part of optical axis near zone, and the object side of the 4th lens has a convex surface part of optical axis near zone, the
The object side of five lens has a concave part of circumference near zone, and the image side surface of the 5th lens has the one of optical axis near zone
Concave part and the concave part with circumference near zone, the image side surface one with optical axis near zone of the 6th lens are convex
Face and the convex surface part with circumference near zone, and meet the following conditions:(G12+T3+G34)/EFL≤4.800.
In embodiments of the present invention, the second lens have negative refractive index, and the object side of the second lens has optical axis area nearby
One convex surface part in domain and the convex surface part with circumference near zone, the materials of the 3rd lens are plastics, the object of the 3rd lens
Side has a concave part of optical axis near zone, and the image side surface of the 3rd lens has a convex surface part of optical axis near zone,
The object side of 4th lens has a convex surface part of optical axis near zone, and the image side surface of the 5th lens has optical axis near zone
One concave part and the concave part with circumference near zone, the image side surface of the 6th lens have the one of optical axis near zone
Convex surface part and the convex surface part with circumference near zone, and meet the following conditions:(G12+T3+G34)/EFL≤4.800.
In embodiments of the present invention, the object side of the second lens has a convex surface part of optical axis near zone and has
One convex surface part of circumference near zone, the material of the 3rd lens is plastics, and the 3rd lens have positive refractive index, the object of the 3rd lens
Side has a concave part of optical axis near zone, and the object side of the 4th lens has a convex surface part of optical axis near zone, the
The image side surface of five lens has a concave part of optical axis near zone and has a concave part of circumference near zone, and the 6th
The image side surface of lens has a convex surface part of optical axis near zone and the convex surface part with circumference near zone, and meets
The following conditions:(G12+T3+G34)/EFL≤4.800.
In any of the above-described optical imaging lens, meet one of the following conditions:
AAG/(G34+G45+T5+G56)≤5.800。
(T2+G34+G45)/EFL≤1.700。
ALT/T6≤4.300。
G12/T1≤2.100。
(T1+T3)/T4≤2.700。
BFL/G23≤1.600。
AAG/T6≤2.500。
T3/EFL≤1.400。
ALT/G23≤4.700。
G12/(T2+G34+G45)≤1.400。
TL/(T4+BFL)≤8.400。
TTL/(T3+G34+G45+T5+G56)≤6.500。
AAG/G23≤2.300。
(G34+G45+T5+G56)/EFL≤2.000。
(T1+G12)/T4≤2.200。
TL/(T2+G34+G45)≤12.100。
BFL/T6≤1.600。
Wherein G12 is distance of the object side of image side surface and the second lens of the first lens on optical axis, G23 be this second
The image side surface of lens and the distance of the object side on the optical axis of the 3rd lens, G34 be the 3rd lens image side surface with
Distance of the object side of 4th lens on optical axis, G45 are the object side of the image side surface with the 5th lens of the 4th lens
Distance of the face on the optical axis, G56 are the image side surface of the 5th lens and the object side of the 6th lens on the optical axis
Distance, AAG G12, the summation of G23, G34, G45 and G56, T1 be the center thickness of first lens on the optical axis, T2
For the center thickness of second lens on the optical axis, T3 is defined as center thickness of the 3rd lens on optical axis, T4 for this
Center thickness of four lens on the optical axis, T5 are center thickness of the 5th lens on the optical axis, and T6 is the 6th lens
Center thickness on the optical axis, EFL are defined as optical lens system effective focal length, and ALT is to own in the optical imaging lens
Center thickness summation of the lens with refractive index on the optical axis, BFL are the image side surface of the 6th lens to an imaging surface
Length on the optical axis, TL be first lens the object side to the 6th lens the image side surface on the optical axis away from
From TTL is the length of the object side to an imaging surface on the optical axis of first lens.
Optical imaging lens of the present invention can be applied in portable electronic product, such as:Mobile phone, camera,
Tablet computer, personal digital assistant (Personal Digital Assistant, PDA), photographic arrangement for automobile, virtual reality
In the devices such as tracker (Virtual Reality (VR) Tracker).
Description of the drawings
Fig. 1 to Fig. 5 is the schematic diagram that optical imaging lens of the present invention judge curvature shapes method.
Fig. 6 is the schematic diagram of the first embodiment of optical imaging lens of the present invention.
Fig. 7 A are longitudinal spherical aberration schematic diagram of the first embodiment on imaging surface.
Fig. 7 B are astigmatic image error schematic diagram of the first embodiment in sagitta of arc direction.
Fig. 7 C are astigmatic image error schematic diagram of the first embodiment in meridian direction.
Fig. 7 D are the distortion aberration schematic diagrames of first embodiment.
Fig. 8 is the schematic diagram of the second embodiment of optical imaging lens of the present invention.
Fig. 9 A are longitudinal spherical aberration schematic diagram of the second embodiment on imaging surface.
Fig. 9 B are astigmatic image error schematic diagram of the second embodiment in sagitta of arc direction.
Fig. 9 C are astigmatic image error schematic diagram of the second embodiment in meridian direction.
Fig. 9 D are the distortion aberration schematic diagrames of second embodiment.
Figure 10 is the schematic diagram of the 3rd embodiment of optical imaging lens of the present invention.
Figure 11 A are longitudinal spherical aberration schematic diagram of the 3rd embodiment on imaging surface.
Figure 11 B are astigmatic image error schematic diagram of the 3rd embodiment in sagitta of arc direction.
Figure 11 C are astigmatic image error schematic diagram of the 3rd embodiment in meridian direction.
Figure 11 D are the distortion aberration schematic diagrames of 3rd embodiment.
Figure 12 is the schematic diagram of the fourth embodiment of optical imaging lens of the present invention.
Figure 13 A are longitudinal spherical aberration schematic diagram of the fourth embodiment on imaging surface.
Figure 13 B are astigmatic image error schematic diagram of the fourth embodiment in sagitta of arc direction.
Figure 13 C are astigmatic image error schematic diagram of the fourth embodiment in meridian direction.
Figure 13 D are the distortion aberration schematic diagrames of fourth embodiment.
Figure 14 is the schematic diagram of the 5th embodiment of optical imaging lens of the present invention.
Figure 15 A are longitudinal spherical aberration schematic diagram of the 5th embodiment on imaging surface.
Figure 15 B are astigmatic image error schematic diagram of the 5th embodiment in sagitta of arc direction.
Figure 15 C are astigmatic image error schematic diagram of the 5th embodiment in meridian direction.
Figure 15 D are the distortion aberration schematic diagrames of the 5th embodiment.
Figure 16 is the schematic diagram of the sixth embodiment of optical imaging lens of the present invention.
Figure 17 A are longitudinal spherical aberration schematic diagram of the sixth embodiment on imaging surface.
Figure 17 B are astigmatic image error schematic diagram of the sixth embodiment in sagitta of arc direction.
Figure 17 C are astigmatic image error schematic diagram of the sixth embodiment in meridian direction.
Figure 17 D are the distortion aberration schematic diagrames of sixth embodiment.
Figure 18 is the schematic diagram of the 7th embodiment of optical imaging lens of the present invention.
Figure 19 A are longitudinal spherical aberration schematic diagram of the 7th embodiment on imaging surface.
Figure 19 B are astigmatic image error schematic diagram of the 7th embodiment in sagitta of arc direction.
Figure 19 C are astigmatic image error schematic diagram of the 7th embodiment in meridian direction.
Figure 19 D are the distortion aberration schematic diagrames of the 7th embodiment.
Figure 20 is the schematic diagram of the 8th embodiment of optical imaging lens of the present invention.
Figure 21 A are longitudinal spherical aberration schematic diagram of the 8th embodiment on imaging surface.
Figure 21 B are astigmatic image error schematic diagram of the 8th embodiment in sagitta of arc direction.
Figure 21 C are astigmatic image error schematic diagram of the 8th embodiment in meridian direction.
Figure 21 D are the distortion aberration schematic diagrames of the 8th embodiment.
Figure 22 is the schematic diagram of the 9th embodiment of optical imaging lens of the present invention.
Figure 23 A are longitudinal spherical aberration schematic diagram of the 9th embodiment on imaging surface.
Figure 23 B are astigmatic image error schematic diagram of the 9th embodiment in sagitta of arc direction.
Figure 23 C are astigmatic image error schematic diagram of the 9th embodiment in meridian direction.
Figure 23 D are the distortion aberration schematic diagrames of the 9th embodiment.
Figure 24 is the schematic diagram of the tenth embodiment of optical imaging lens of the present invention.
Figure 25 A are longitudinal spherical aberration schematic diagram of the tenth embodiment on imaging surface.
Figure 25 B are astigmatic image error schematic diagram of the tenth embodiment in sagitta of arc direction.
Figure 25 C are astigmatic image error schematic diagram of the tenth embodiment in meridian direction.
Figure 25 D are the distortion aberration schematic diagrames of the tenth embodiment.
Figure 26 is the schematic diagram of the 11st embodiment of optical imaging lens of the present invention.
Figure 27 A are longitudinal spherical aberration schematic diagram of the 11st embodiment on imaging surface.
Figure 27 B are astigmatic image error schematic diagram of the 11st embodiment in sagitta of arc direction.
Figure 27 C are astigmatic image error schematic diagram of the 11st embodiment in meridian direction.
Figure 27 D are the distortion aberration schematic diagrames of the 11st embodiment.
Figure 28 is the schematic diagram of the 12nd embodiment of optical imaging lens of the present invention.
Figure 29 A are longitudinal spherical aberration schematic diagram of the 12nd embodiment on imaging surface.
Figure 29 B are astigmatic image error schematic diagram of the 12nd embodiment in sagitta of arc direction.
Figure 29 C are astigmatic image error schematic diagram of the 12nd embodiment in meridian direction.
Figure 29 D are the distortion aberration schematic diagrames of the 12nd embodiment.
Figure 30 is the detailed optical data tabular drawing of first embodiment.
Figure 31 is the detailed aspherical surface data tabular drawing of first embodiment.
Figure 32 is the detailed optical data tabular drawing of second embodiment.
Figure 33 is the detailed aspherical surface data tabular drawing of second embodiment.
Figure 34 is the detailed optical data tabular drawing of 3rd embodiment.
Figure 35 is the detailed aspherical surface data tabular drawing of 3rd embodiment.
Figure 36 is the detailed optical data tabular drawing of fourth embodiment.
Figure 37 is the detailed aspherical surface data tabular drawing of fourth embodiment.
Figure 38 is the detailed optical data tabular drawing of the 5th embodiment.
Figure 39 is the detailed aspherical surface data tabular drawing of the 5th embodiment.
Figure 40 is the detailed optical data tabular drawing of sixth embodiment.
Figure 41 is the detailed aspherical surface data tabular drawing of sixth embodiment.
Figure 42 is the detailed optical data tabular drawing of the 7th embodiment.
Figure 43 is the detailed aspherical surface data tabular drawing of the 7th embodiment.
Figure 44 is the detailed optical data tabular drawing of the 8th embodiment.
Figure 45 is the detailed aspherical surface data tabular drawing of the 8th embodiment.
Figure 46 is the detailed optical data tabular drawing of the 9th embodiment.
Figure 47 is the detailed aspherical surface data tabular drawing of the 9th embodiment.
Figure 48 is the detailed optical data tabular drawing of the tenth embodiment.
Figure 49 is the detailed aspherical surface data tabular drawing of the tenth embodiment.
Figure 50 is the detailed optical data tabular drawing of the 11st embodiment.
Figure 51 is the detailed aspherical surface data tabular drawing of the 11st embodiment.
Figure 52 is the detailed optical data tabular drawing of the 12nd embodiment.
Figure 53 is the detailed aspherical surface data tabular drawing of the 12nd embodiment.
Figure 54 is some important parameters tabular drawing of embodiment 1-5.
Figure 55 is some important parameters tabular drawing of embodiment 1-5.
Figure 56 is some important parameters tabular drawing of embodiment 6-12.
Figure 57 is some important parameters tabular drawing of embodiment 6-12.
Specific embodiment
Before starting that the present invention is described in detail, first it is noted that in schema of the present invention, similar element be with
It is identically numbered to represent.Wherein, this specification says its " lens have positive refractive index (or negative refractive index) ", refers to institute
The refractive index on the optical axis that lens are come out using first-order theory theoretical calculation is stated as just (or being negative).The image side surface, the definition of object side
For imaging light by scope, wherein imaging light include chief ray (chief ray) Lc and rim ray (marginal
Ray) Lm, as shown in Figure 1, I is optical axis and this lens is radially symmetrical using optical axis I as symmetry axis, light passes through
Region on optical axis is optical axis near zone A, rim ray by region be circumference near zone C, in addition, the lens also wrap
Containing an extension E (i.e. the regions of circumference near zone C radially outward), an optical imaging lens are loaded on for the lens group
Interior, being preferably imaged light can't be by extension E, but the structure of extension E is not limited to this with shape, below it
Embodiment is the extension for asking schema that part is succinctly omitted.In more detail, face shape or optical axis near zone, circumference are judged
The method of the scope of near zone or multiple regions is as follows:
Fig. 1 is refer to, is the sectional view of a lens radially.It is seen with the sectional view, is judging the model of aforementioned areas
When enclosing, a central point is defined as the intersection point with optical axis on the lens surface, and a transfer point is on the lens surface
A bit, it is and vertical with optical axis by a tangent line of the point.It it is sequentially first turn if there is a plurality of transfer points radially outward
It changes a little, the second transfer point, and away from optical axis, radially farthest transfer point is N transfer points on effectively half effect footpath.Central point and
Scope between one transfer point is optical axis near zone, and the region of N transfer points radially outward is circumference near zone, intermediate
Different regions can be distinguished according to each transfer point.In addition, effective radius is in rim ray Lm and lens surface intersection to optical axis I
Vertical range.
As shown in Fig. 2, the concave-convex system of the shape in the region is with parallel through the light in the region (or light extension line) and light
The intersection point of axis determines (light focus decision procedure) in image side or object side.For example, after light is by the region, light
It can be focused on towards image side, Focus Club's position R points in image side, such as Fig. 2 with optical axis, then the region is convex surface part.If conversely, light
Behind certain region, light can dissipate, and the focus of extension line and optical axis is in object side, such as M points in Fig. 2, then the region is
Concave part, so central point, to being convex surface part between the first transfer point, the region of the first transfer point radially outward is concave part;By
Fig. 2 understands that the transfer point is the separation that convex surface part turns concave part, therefore can define the region and the radially adjacent region
Inside region, be using the transfer point be boundary have different face shapes.In addition, if the face shape of optical axis near zone judges
According to the judgment mode of usual skill in the field with R values (paraxial radius of curvature can be referred to, be often referred to saturating in optical software
R values on mirror database (lens data)) positive negative judgement is concave-convex.For object side, when R values be timing, be determined as convex surface
Portion when R values is bear, is determined as concave part;For image side surface, when R values be timing, be determined as concave part, when R values are negative
When, it is determined as convex surface part, the bumps that the method determines are identical with light focus decision procedure.If without conversion on the lens surface
Point, the optical axis near zone are defined as the 0~50% of effective radius, circumference near zone be defined as effective radius 50~
100%.
The lens image side surface of Fig. 3 examples one only has the first transfer point on effective radius, then the firstth area is attached for optical axis
Near field, the secondth area are circumference near zone.The R values of this lens image side surface judge that optical axis near zone is recessed with one for just
Face;The face shape of circumference near zone is different with the inside region radially close to the region.That is, circumference near zone and optical axis
The face shape of near zone is different;The circumference near zone system has a convex surface part.
The lens object side surface of Fig. 4 examples two has first and second transfer point on effective radius, then the firstth area is light
Axis near zone, the 3rd area are circumference near zone.The R values of this lens object side judge optical axis near zone to be convex for just
Face;Region (the secondth area) between first transfer point and the second transfer point has a concave part, circumference near zone (the 3rd area)
With a convex surface part.
The lens object side surface of Fig. 5 examples three, without transfer point, is at this time with effective radius 0%~50% on effective radius
Optical axis near zone, 50%~100% is circumference near zone.Since the R values of optical axis near zone are just, so object side exists
Optical axis near zone has a convex surface part;And without transfer point between circumference near zone and optical axis near zone, therefore the neighbouring area of circumference
Domain has a convex surface part.
As shown in fig. 6, optical imaging lens 1 of the present invention, from object side 2 to the image side 3 of imaging for placing object (not shown),
Along optical axis (optical axis) 4, including at least having the first lens 10, the second lens 20, the 3rd lens 30, the 4th lens
40th, the 5th lens 50, the 6th lens 60, optical filter 90 and imaging surface (image plane) 91.Defined herein first lens 10 are
The number of object side 2 to image side 3 carrys out first lens with refractive index, and the second lens 20 come second for the number of object side 2 to image side 3 to be had
The lens of refractive index, the 3rd lens 30 carry out the 4th lens with refractive index for image side 3 to object side 2 number, and the 4th lens 40 are
Image side 3 to object side 2 number, which carrys out three pieces, has the lens of refractive index, and the 5th lens 50 come second for image side 3 to object side 2 number to be had
The lens of refractive index, the 6th lens 60 carry out first lens with refractive index for image side 3 to object side 2 number.It is, in general, that first
Lens 10, the second lens 20, the 4th lens 40, the 5th lens 50, the 6th lens 60 can be by plastics or glass material institute
It is made, but the present invention is not limited.3rd lens 30 are made with plastic material, help to make optical imaging lens lightweight simultaneously
Reduce manufacture cost, while attainable cost invention good effects.
In addition, optical imaging lens 1 also include aperture (aperture stop) 80, and it is arranged at appropriate position.Scheming
In 6, aperture 80 is provided between the 3rd lens 30 and the 4th lens 40.When the object (not shown) to be captured by being located at object side 2
When the light (not shown) sent enters optical imaging lens 1 of the present invention, i.e., can via the first lens 10, the second lens 20,
It, can be in image side 3 after 3rd lens 30, aperture 80, the 4th lens 40, the 5th lens 50, the 6th lens 60 and optical filter 90
It is focused on imaging surface 91 and forms clearly image.In various embodiments of the present invention, the optical filter 90 that selectively sets can be with
Be the filter for having various proper functions, the light of specific wavelength can be filtered out, arranged on the 6th lens 60 towards image side one side 62 with
Between imaging surface 91.
Each lens in optical imaging lens 1 of the present invention are all respectively provided with the object side towards object side 2, and towards picture
The image side surface of side 3.In addition, each lens in optical imaging lens 1 of the present invention, also attached with optical axis near zone and circumference
Near field.For example, the first lens 10 have object side 11 and image side surface 12;Second lens 20 have object side 21 and image side surface
22;3rd lens 30 have object side 31 and image side surface 32;4th lens 40 have object side 41 and image side surface 42;5th lens
50 have object side 51 and image side surface 52;6th lens 60 have object side 61 and image side surface 62.Each object side and image side surface are again
There are optical axis near zone and circumference near zone.
Each lens in optical imaging lens 1 of the present invention are also all respectively provided with center thickness T of the position on optical axis 4.Example
Such as, the first lens 10 with the first lens thickness T1, the second lens 20 with the second lens thickness T2, the 3rd lens 30 with
Three lens thickness T3, the 4th lens 40 with the 4th lens thickness T4, the 5th lens 50 with the 5th lens thickness T5, the 6th thoroughly
Mirror 60 has the 6th lens thickness T6.So on optical axis 4 in optical imaging lens 1, in all lens with refractive index
Heart thickness summation is known as ALT.
In addition, in optical imaging lens 1 of the present invention, distance of the position on optical axis 4 is respectively provided with again between each lens.
For example, distance of the object side 21 of the 12 to the second lens of image side surface 20 of the first lens 10 on optical axis 4 is G12, the second lens
Distance of 20 image side surface 22 to the object side 31 of the 3rd lens 30 on optical axis 4 is G23, the image side surface 32 of the 3rd lens 30 arrives
Distance of the object side 41 of 4th lens 40 on optical axis 4 is G34, the object of the image side surface 42 of the 4th lens 40 to the 5th lens 50
Distance of the side 51 on optical axis 4 for G45, the image side surface 52 of the 5th lens 50 to the object side 61 of the 6th lens 60 in optical axis 4
On distance be G56.In addition AAG=G12+G23+G34+G45+G56 is re-defined.
In addition, length of the object side 11 of the first lens 10 to imaging surface 91 on optical axis is TTL.Optical imaging lens
Effective focal length is EFL, and the length of the image side surfaces 62 of the 6th lens 60 to imaging surface 91 on optical axis 4 is BFL, and TL is the first lens
Length of the image side surface 62 of 10 11 to the 6th lens 60 of object side on optical axis 4.
In addition, it re-defines:F1 is the focal length of the first lens 10;F2 is the focal length of the second lens 20;F3 is the 3rd lens 30
Focal length;F4 is the focal length of the 4th lens 40;F5 is the focal length of the 5th lens 50;F6 is the focal length of the 6th lens 60;N1 is
The refractive index of one lens 10;N2 is the refractive index of the second lens 20;N3 is the refractive index of the 3rd lens 30;N4 is the 4th lens 40
Refractive index;N5 is the refractive index of the 5th lens 50;N6 is the refractive index of the 6th lens 60;υ 1 is the Abbe system of the first lens 10
Number (Abbe number), i.e. abbe number;υ 2 is the Abbe number of the second lens 20;υ 3 is the Abbe number of the 3rd lens 30;
υ 4 is the Abbe number of the 4th lens 10;υ 5 is the Abbe number of the 5th lens 50;And the Abbe number that υ 6 is the 6th lens 60.
G6F represent the 6th lens 60 between optical filter 90 on optical axis 4 gap width, TF represent optical filter 90 on optical axis 4
Thickness, GFP represent optical filter 90 between imaging surface 91 on optical axis 4 gap width, BFL as the 6th lens 60 image side surface
62 distance, the i.e. BFL=G6F+TF+GFP to imaging surface 91 on optical axis 4.
Embodiment 1
Referring to Fig. 6, illustrate the first embodiment of optical imaging lens 1 of the present invention.First embodiment is on imaging surface 91
Longitudinal spherical aberration (longitudinal spherical aberration) refer to Fig. 7 A, the sagitta of arc (sagittal) direction
Astigmatic image error (astigmatic field aberration) refer to Fig. 7 B, the astigmatic image in meridian (tangential) direction
Difference refer to Fig. 7 C and distortion aberration (distortion aberration) refer to Fig. 7 D.Each spherical aberration in all embodiments
The Y-axis of figure represents visual field, and peak is 1.0, and the Y-axis of each astigmatism figure and distortion figure represents image height, system picture in embodiment
A height of 2.084 millimeters.
Lens, optical filter 90, the aperture that the optical imaging lens head system 1 of first embodiment mainly has refractive index by six pieces
80th, formed with imaging surface 91.Aperture 80 is provided between the 3rd lens 30 and the 4th lens 40.Optical filter 90 can prevent
The light of specific wavelength is projected to imaging surface and influences image quality.
The material of first lens 10 is glass, and with negative refractive index.Have towards the object side 11 of object side 2 and be located at optical axis
The convex surface part 13 of near zone and the convex surface part 14 positioned at circumference near zone have towards the image side surface 12 of image side 3 and are located at
The concave part 16 of optical axis near zone and the concave part 17 positioned at circumference near zone.The object side 11 of first lens and image side
Face 12 is spherical surface.
Second lens, 20 material is plastics, and with negative refractive index.Have towards the object side 21 of object side 2 attached positioned at optical axis
The convex surface part 23 of near field and the convex surface part 24 positioned at circumference near zone have towards the image side surface 22 of image side 3 and are located at light
The concave part 26 of axis near zone and the concave part 27 positioned at circumference near zone.The object side 21 and image side of second lens 20
Face 22 is aspherical.
3rd lens, 30 material is plastics, and with positive refractive index, is had towards the object side 31 of object side 2 attached positioned at optical axis
The concave part 33 of near field and the concave part 34 positioned at circumference near zone, and towards image side 3 image side surface 32 have be located at
The convex surface part 36 of optical axis near zone and the convex surface part 37 near circumference.The object side 31 of 3rd lens 30 and image side surface 32
It is aspherical.
4th lens, 40 material is plastics, and with positive refractive index, is had towards the object side 41 of object side 2 attached positioned at optical axis
The convex surface part 43 of near field and the convex surface part 44 positioned at circumference near zone, and towards image side 3 image side surface 42 have be located at
The convex surface part 46 of optical axis near zone and the convex surface part 47 near circumference.The object side 41 of 4th lens 40 and image side surface 42
It is aspherical.
5th lens, 50 material is plastics, and with negative refractive index, is had towards the object side 51 of object side 2 attached positioned at optical axis
The concave part 53 of near field and position have towards the image side surface 52 of image side 3 and are located at light in the concave part 54 of circumference near zone
The concave part 56 of axis near zone and the concave part 57 positioned at circumference near zone.In addition, the object side 51 of the 5th lens 50
It is aspherical with image side surface 52.
6th lens, 60 material is plastics, and with positive refractive index, is had towards the object side 61 of object side 2 attached positioned at optical axis
The convex surface part 63 of near field and the convex surface part 64 positioned at circumference near zone have towards the image side surface 62 of image side 3 and are located at light
The convex surface part 66 of axis near zone and the convex surface part 67 positioned at circumference near zone.In addition, the object side 61 of the 6th lens 60
It is aspherical with image side surface 62.Also in the present embodiment, colloid or membrane body are utilized between the 5th lens 50 and the 6th lens 60
Filling, but not limited to this.Optical filter 90 is between the image side surface 62 of the 6th lens 60 and imaging surface 91.
In optical imaging lens 1 of the present invention, from the first lens 10 into the 6th lens 60, property side 11/21/
31/41/51/61 amounts to 12 curved surfaces with image side surface 12/22/32/42/52/62.If aspherical, then these aspherical systems
It is defined via following equation:
Wherein:
R represents the radius of curvature of lens surface;
Z represents the aspherical depth (point on aspherical apart from optical axis for Y, with being tangential on vertex on aspherical optical axis
Section, vertical range between the two);
Y represents the vertical range of the point and optical axis on non-spherical surface;
K is circular cone coefficient (conic constant);
aiFor the i-th rank asphericity coefficient.
The optical data of first embodiment optical lens system is as shown in figure 30, and aspherical surface data is as shown in figure 31.It is filtering
The virtual reference face (not shown) that a radius of curvature is infinity is equipped between mating plate 90 and imaging surface 91.Following embodiment it
In optical lens system, the f-number (f-number) of whole optical lens system is Fno, effective focal length is (EFL), half angle of view
(Half Field of View, abbreviation HFOV) is one of maximum visual angle (Field of View) in whole optical lens system
Half, but the unit of radius of curvature, thickness and focal length is millimeter (mm).Wherein, system image height=2.084 millimeter;EFL=
1.131 millimeter;HFOV=107.500 degree;TTL=11.265 millimeters;Fno=2.400.In addition, the optics of first embodiment into
Picture lens design is showed with good back focal length length change, and 20 DEG C of setting room temperature is a benchmark, at this temperature back focal length
Length varying value (back focal length variation) is 0.000mm, and under -20 DEG C of environment temperature, it is burnt thereafter
It is -0.040mm away from length varying value, under 80 DEG C of environment temperature, focal length changing value is 0.066mm thereafter.
Embodiment 2
Referring to Fig. 8, illustrate the second embodiment of optical imaging lens 1 of the present invention.It note that and opened from second embodiment
Begin, to simplify and understanding Expression pattern, only especially indicate each lens face type different from first embodiment on the diagram, and remaining with
In addition the identical face type of the lens of first embodiment, such as concave part or convex surface part do not indicate then.Second embodiment is being imaged
Longitudinal spherical aberration on face 91 refer to Fig. 9 A, the astigmatic image error in sagitta of arc direction refer to Fig. 9 B, the astigmatic image error of meridian direction is asked
Fig. 9 D are refer to reference to figure 9C, distortion aberration.The design of second embodiment is similar with first embodiment, only lens radius of curvature,
The relevant parameters such as lens thickness, lens asphericity coefficient or back focal length are different.
The detailed optical data of second embodiment is as shown in figure 32, and aspherical surface data is as shown in figure 33.System image height=
2.786 millimeter;EFL=1.370 millimeters;HFOV=107.500 degree;TTL=11.136 millimeters;Fno=2.400.Particularly:The
Two embodiments are more easily fabricated than first embodiment therefore yield is higher.In addition, the optical imaging lens design tool of second embodiment
There is good back focal length length change to show, 20 DEG C of setting room temperature is a benchmark, at this temperature back focal length length varying value
(back focal length variation) is 0.000mm, and under -20 DEG C of environment temperature, focal length changes thereafter
It is worth for -0.046mm, under 80 DEG C of environment temperature, focal length changing value is 0.076mm thereafter.
Embodiment 3
Referring to Fig. 10, illustrate the 3rd embodiment of optical imaging lens 1 of the present invention.3rd embodiment is on imaging surface 91
Longitudinal spherical aberration please refer to Fig.1 1A, the astigmatic image error in sagitta of arc direction please refers to Fig.1 1B, the astigmatic image error of meridian direction refer to
Figure 11 C, distortion aberration please refer to Fig.1 1D.The design of 3rd embodiment is similar with first embodiment, only lens radius of curvature, thoroughly
The relevant parameters such as mirror thickness, lens asphericity coefficient or back focal length are different.
The detailed optical data of 3rd embodiment is as shown in figure 34, and aspherical surface data is as shown in figure 35, wherein, system image height
=1.772 millimeters;EFL=1.105 millimeters;HFOV=96.750 degree;TTL=12.911 millimeters;Fno=2.600.Particularly:
3rd embodiment is more easily fabricated than first embodiment therefore yield is higher.In addition, the optical imaging lens design of 3rd embodiment
It is showed with good back focal length length change, 20 DEG C of setting room temperature is a benchmark, at this temperature back focal length length varying value
(back focal length variation) is 0.000mm, and under -20 DEG C of environment temperature, focal length changes thereafter
It is worth for -0.041mm, under 80 DEG C of environment temperature, focal length changing value is 0.066mm thereafter.
Embodiment 4
2 are please referred to Fig.1, illustrates the fourth embodiment of optical imaging lens 1 of the present invention.Fourth embodiment is on imaging surface 91
Longitudinal spherical aberration please refer to Fig.1 3A, the astigmatic image error in sagitta of arc direction please refers to Fig.1 3B, the astigmatic image error of meridian direction refer to
Figure 13 C, distortion aberration please refer to Fig.1 3D.The design of fourth embodiment is similar with first embodiment, only lens radius of curvature, thoroughly
The relevant parameters such as mirror thickness, lens asphericity coefficient or back focal length are different.
The detailed optical data of fourth embodiment is as shown in figure 36, and aspherical surface data is as shown in figure 37, wherein, system image height
=1.636 millimeters;EFL=0.962 millimeters;HFOV=96.750 degree;TTL=11.925 millimeters;Fno=2.400.Particularly:
Fourth embodiment is more easily fabricated than first embodiment therefore yield is higher.In addition, the optical imaging lens design of fourth embodiment
It is showed with good back focal length length change, 20 DEG C of setting room temperature is a benchmark, at this temperature back focal length length varying value
(back focal length variation) is 0.000mm, and under -20 DEG C of environment temperature, focal length changes thereafter
It is worth for -0.034mm, under 80 DEG C of environment temperature, focal length changing value is 0.054mm thereafter.
Embodiment 5
4 are please referred to Fig.1, illustrates the 5th embodiment of optical imaging lens 1 of the present invention.5th embodiment is on imaging surface 91
Longitudinal spherical aberration please refer to Fig.1 5A, the astigmatic image error in sagitta of arc direction please refers to Fig.1 5B, the astigmatic image error of meridian direction refer to
Figure 15 C, distortion aberration please refer to Fig.1 5D.The design of 5th embodiment is similar with first embodiment, only lens radius of curvature, thoroughly
The relevant parameters such as mirror thickness, lens asphericity coefficient or back focal length are different.
The detailed optical data of 5th embodiment is as shown in figure 38, and aspherical surface data is as shown in figure 39, wherein, system image height
=3.450 millimeters;EFL=1.973 millimeters;HFOV=107.500 degree;TTL=13.074 millimeters;Fno=2.600.Particularly:
5th embodiment is more easily fabricated than first embodiment therefore yield is higher.In addition, the optical imaging lens design of the 5th embodiment
It is showed with good back focal length length change, 20 DEG C of setting room temperature is a benchmark, at this temperature back focal length length varying value
(back focal length variation) is 0.000mm, and under -20 DEG C of environment temperature, focal length changes thereafter
It is worth for -0.063mm, under 80 DEG C of environment temperature, focal length changing value is 0.098mm thereafter.
Embodiment 6
6 are please referred to Fig.1, illustrates the sixth embodiment of optical imaging lens 1 of the present invention.Sixth embodiment is on imaging surface 91
Longitudinal spherical aberration please refer to Fig.1 7A, the astigmatic image error in sagitta of arc direction please refers to Fig.1 7B, the astigmatic image error of meridian direction refer to
Figure 17 C, distortion aberration please refer to Fig.1 7D.In sixth embodiment, the object side 51 of the 5th lens 50 has an optical axis near zone
Convex surface part 53 ', the materials of the 4th lens 40 is glass, and the object side 41 of the 4th lens 40 and image side surface 42 are spherical surface.Separately
The relevant parameters such as outer lens radius of curvature, lens thickness, lens asphericity coefficient or back focal length are also different from first embodiment.
In addition, to the other embodiment that subsequent paragraphs describe since sixth embodiment, except above-mentioned first lens
Outside 10 to the 6th lens 60, one the 7th lens 70 have been further included, have been arranged between the second lens 20 and the 3rd lens 30.7th
The material of lens 70 is plastics, and with positive refractive index.Have towards the object side 71 of object side 2 positioned at the recessed of optical axis near zone
Face 73 and the concave part 74 positioned at circumference near zone have towards the image side surface 72 of image side 3 and are located at optical axis near zone
Convex surface part 76 and the convex surface part 77 positioned at circumference near zone.The object side 71 of 7th lens 70 and image side surface 22 are non-
Spherical surface.
Similarly, the object side 71 of the 7th lens 70 and image side surface 22 are defined via following equation:
Wherein:
R represents the radius of curvature of lens surface;
Z represents the aspherical depth (point on aspherical apart from optical axis for Y, with being tangential on vertex on aspherical optical axis
Section, vertical range between the two);
Y represents the vertical range of the point and optical axis on non-spherical surface;
K is circular cone coefficient (conic constant);
aiFor the i-th rank asphericity coefficient.
For sixth embodiment and subsequent embodiment, T7 is center thickness of the 7th lens position on optical axis 4.In light
On axis 4 in optical imaging lens 1, the center thickness summation of all lens with refractive index is known as ALT.
In addition, it re-defines:F7 is the focal length of the 7th lens 70;N7 is the refractive index of the 7th lens 70;υ 7 is saturating for the 7th
The Abbe number of mirror 70.Distance of the image side surface 22 of second lens 20 to the object side 71 of the 7th lens 70 on optical axis 4 be
The distance of G27, the image side surface 72 of the 7th lens 70 to the object side 31 of the 3rd lens 30 on optical axis 4 is G73.
The detailed optical data of sixth embodiment is as shown in figure 40, and aspherical surface data is as shown in figure 41, wherein, system image height
=1.667 millimeters;EFL=0.946 millimeters;HFOV=103.000 degree;TTL=19.418 millimeters;Fno=2.400.Particularly:
Sixth embodiment is more easily fabricated than first embodiment therefore yield is higher.In addition, the optical imaging lens design of sixth embodiment
It is showed with good back focal length length change, 20 DEG C of setting room temperature is a benchmark, at this temperature back focal length length varying value
(back focal length variation) is 0.000mm, and under -20 DEG C of environment temperature, focal length changes thereafter
It is worth for -0.001mm, under 80 DEG C of environment temperature, focal length changing value is 0.002mm thereafter.
Embodiment 7
8 are please referred to Fig.1, illustrates the 7th embodiment of optical imaging lens 1 of the present invention.7th embodiment is on imaging surface 91
Longitudinal spherical aberration please refer to Fig.1 9A, the astigmatic image error in sagitta of arc direction please refers to Fig.1 9B, the astigmatic image error of meridian direction refer to
Figure 19 C, distortion aberration please refer to Fig.1 9D.The design of 7th embodiment is similar with sixth embodiment, only lens radius of curvature, thoroughly
The relevant parameters such as mirror thickness, lens asphericity coefficient or back focal length are different.
The detailed optical data of 7th embodiment is as shown in figure 42, and aspherical surface data is as shown in figure 43, wherein, system image height
=3.264 millimeters;EFL=1.853 millimeters;HFOV=103.000 degree;TTL=21.235 millimeters;Fno=2.600.Particularly:
7th embodiment is more easily fabricated than first embodiment therefore yield is higher.In addition, the optical imaging lens design of the 7th embodiment
It is showed with good back focal length length change, 20 DEG C of setting room temperature is a benchmark, at this temperature back focal length length varying value
(back focal length variation) is 0.000mm, and under -20 DEG C of environment temperature, focal length changes thereafter
It is worth for -0.008mm, under 80 DEG C of environment temperature, focal length changing value is 0.013mm thereafter.
Embodiment 8
Figure 20 is referred to, illustrates the 8th embodiment of optical imaging lens 1 of the present invention.8th embodiment is on imaging surface 91
Longitudinal spherical aberration please refer to Fig.2 1A, the astigmatic image error in sagitta of arc direction please refers to Fig.2 1B, the astigmatic image error of meridian direction refer to
Figure 21 C, distortion aberration please refer to Fig.2 1D.The design of 8th embodiment is similar with sixth embodiment, only lens radius of curvature, thoroughly
The relevant parameters such as mirror thickness, lens asphericity coefficient or back focal length are different.
The detailed optical data of 8th embodiment is as shown in figure 44, and aspherical surface data is as shown in figure 45, wherein, system image height
=3.383 millimeters;EFL=1.769 millimeters;HFOV=103.000 degree;TTL=22.634 millimeters;Fno=2.600.Particularly:
8th embodiment is more easily fabricated than first embodiment therefore yield is higher.In addition, the optical imaging lens design of the 8th embodiment
It is showed with good back focal length length change, 20 DEG C of setting room temperature is a benchmark, at this temperature back focal length length varying value
(back focal length variation) is 0.000mm, and under -20 DEG C of environment temperature, focal length changes thereafter
It is worth for 0.012mm, under 80 DEG C of environment temperature, focal length changing value is -0.016mm thereafter.
Embodiment 9
Figure 22 is referred to, illustrates the 9th embodiment of optical imaging lens 1 of the present invention.9th embodiment is on imaging surface 91
Longitudinal spherical aberration please refer to Fig.2 3A, the astigmatic image error in sagitta of arc direction please refers to Fig.2 3B, the astigmatic image error of meridian direction refer to
Figure 23 C, distortion aberration please refer to Fig.2 3D.The design of 9th embodiment is similar with sixth embodiment, only lens radius of curvature, thoroughly
The relevant parameters such as mirror thickness, lens asphericity coefficient or back focal length are different.
The detailed optical data of 9th embodiment is as shown in figure 46, and aspherical surface data is as shown in figure 47, wherein, system image height
=2.820 millimeters;EFL=1.129 millimeters;HFOV=103.000 degree;TTL=15.052 millimeters;Fno=2.600.Particularly:
9th embodiment is more easily fabricated than first embodiment therefore yield is higher.In addition, the optical imaging lens design of the 9th embodiment
It is showed with good back focal length length change, 20 DEG C of setting room temperature is a benchmark, at this temperature back focal length length varying value
(back focal length variation) is 0.000mm, and under -20 DEG C of environment temperature, focal length changes thereafter
It is worth for 0.003mm, under 80 DEG C of environment temperature, focal length changing value is -0.003mm thereafter.
Embodiment 10
Figure 24 is referred to, illustrates the tenth embodiment of optical imaging lens 1 of the present invention.Tenth embodiment is on imaging surface 91
Longitudinal spherical aberration please refer to Fig.2 5A, the astigmatic image error in sagitta of arc direction please refers to Fig.2 5B, the astigmatic image error of meridian direction refer to
Figure 25 C, distortion aberration please refer to Fig.2 5D.The design of tenth embodiment is similar with sixth embodiment, only lens radius of curvature, thoroughly
The relevant parameters such as mirror thickness, lens asphericity coefficient or back focal length are different.
The detailed optical data of tenth embodiment is as shown in figure 48, and aspherical surface data is as shown in figure 49, wherein, system image height
=2.030 millimeters;EFL=1.390 millimeters;HFOV=103.000 degree;TTL=18.076 millimeters;Fno=2.400.Particularly:
Tenth embodiment is more easily fabricated than first embodiment therefore yield is higher.In addition, the optical imaging lens design of the tenth embodiment
It is showed with good back focal length length change, 20 DEG C of setting room temperature is a benchmark, at this temperature back focal length length varying value
(back focal length variation) is 0.000mm, and under -20 DEG C of environment temperature, focal length changes thereafter
It is worth for 0.003mm, under 80 DEG C of environment temperature, focal length changing value is -0.005mm thereafter.
Embodiment 11
Figure 26 is referred to, illustrates the 11st embodiment of optical imaging lens 1 of the present invention.11st embodiment is in imaging surface
Longitudinal spherical aberration on 91 please refers to Fig.2 7A, the astigmatic image error in sagitta of arc direction please refers to Fig.2 7B, the astigmatic image error of meridian direction is asked
7D is please referred to Fig.2 with reference to figure 27C, distortion aberration.The design of 11st embodiment is similar with sixth embodiment, only lens curvature half
The relevant parameters such as footpath, lens thickness, lens asphericity coefficient or back focal length are different.
The detailed optical data of 11st embodiment is as shown in figure 50, and aspherical surface data is as shown in figure 50, wherein, system picture
It is high=2.146 millimeters;EFL=1.459 millimeters;HFOV=103.000 degree;TTL=14.434 millimeters;Fno=2.500.Especially
It is:11st embodiment is more easily fabricated than first embodiment therefore yield is higher.In addition, the optical imaging lens of the 11st embodiment
Head design has the performance of good back focal length length change, and 20 DEG C of setting room temperature is a benchmark, at this temperature back focal length length
Changing value (back focal length variation) is 0.000mm, and under -20 DEG C of environment temperature, back focal length is long
Degree changing value is 0.012mm, and under 80 DEG C of environment temperature, focal length changing value is -0.016mm thereafter.
Embodiment 12
Figure 28 is referred to, illustrates the 12nd embodiment of optical imaging lens 1 of the present invention.12nd embodiment is in imaging surface
Longitudinal spherical aberration on 91 please refers to Fig.2 9A, the astigmatic image error in sagitta of arc direction please refers to Fig.2 9B, the astigmatic image error of meridian direction is asked
9D is please referred to Fig.2 with reference to figure 29C, distortion aberration.The design of 12nd embodiment is similar with sixth embodiment, only lens curvature half
The relevant parameters such as footpath, lens thickness, lens asphericity coefficient or back focal length are different.
The detailed optical data of 12nd embodiment is as shown in figure 50, and aspherical surface data is as shown in figure 50, wherein, system picture
It is high=1.675 millimeters;EFL=0.975 millimeters;HFOV=103.000 degree;TTL=14.015 millimeters;Fno=2.500.Especially
It is:12nd embodiment is more easily fabricated than first embodiment therefore yield is higher.In addition, the optical imaging lens of the 12nd embodiment
Head design has the performance of good back focal length length change, and 20 DEG C of setting room temperature is a benchmark, at this temperature back focal length length
Changing value (back focal length variation) is 0.000mm, and under -20 DEG C of environment temperature, back focal length is long
Degree changing value is -0.008mm, and under 80 DEG C of environment temperature, focal length changing value is 0.012mm thereafter.
In addition, the important parameter of each embodiment is then arranged in Figure 54, Figure 55, Figure 56 and Figure 57 respectively.
It has been found that the lens configuration of this case, can effectively promote field angle, simultaneously through following being collocated with each other for design
Possess low back focal length variable quantity at a temperature of varying environment, and shorten lens length and strengthen object definition and reach good
Image quality.
1. the second lens object side is located at optical axis near zone and is located at for convex surface part and the second lens object side near circumference
Region is convex surface part, can help to collect imaging light.
2. the 3rd lens object side is located at optical axis near zone for concave part, be conducive to correct the first lens and the second lens
The aberration of generation.
3. the 3rd lens material is plastics, helps to make optical imaging lens lightweight and reduce manufacture cost.
4. the 4th lens object side has the convex surface part of optical axis near zone, can help to be imaged light pinching.
5. the 5th lens image side surface optical axis near zone is concave part, the 5th lens image side surface circumference near zone is concave surface
Portion, the 6th lens image side surface optical axis near zone is convex surface part and the 6th lens image side surface circumference near zone is convex surface part, can
Achieve the effect that correct overall aberration.
6. the second lens of selectively arranging in pairs or groups have negative refractive index, the aberration of the first lens generation can be corrected.
7. the 3rd lens of selectively arranging in pairs or groups are located at circumference near zone with positive refractive index or the 3rd lens image side surface and are
Convex surface part can correct the aberration of the second lens generation.
8. selectively the 5th lens object side of collocation is located at circumference near zone for concave part, contribute to adjustment first thoroughly
The aberration that mirror is generated to the 4th lens.
In addition, through the Numerical Control of following parameter, designer can be assisted to design and possess favorable optical performance, entirety
Length effectively shortens and technically feasible optical mirror slip group.Therefore under the numerical definiteness satisfied the following conditional expression, optics into
As system can reach preferable configuration:
(a) lens system length is shortened in order to reach, between the appropriate air shortened between lens thickness and lens of the present invention
Gap, but on the premise of the difficulty of lens assembling process is contemplated and image quality must be taken into account, between lens thickness and lens
The air gap need to allocate or allocate mutually ratio of the particular optical parameter in specific lens group combinations of values each other, therefore full
It is enough under the numerical definiteness of lower conditional, optical imaging system can reach preferable configuration.
AAG/G23≤2.300, preferable scope are 1.400≤AAG/G23≤2.300;
AAG/T6≤2.500, preferable scope are 1.400≤AAG/T6≤2.500;
ALT/G23≤4.700, preferable scope are 1.900≤ALT/G23≤4.700;
ALT/T6≤4.300, preferable scope are 2.600≤ALT/T6≤4.300;
G12/T1≤2.100, preferable scope are 0.800≤G12/T1≤2.100;
G12/ (T2+G34+G45)≤1.400, preferable scope are 0.500≤G12/ (T2+G34+G45)≤1.400;
BFL/G23≤1.600, preferable scope are 0.300≤BFL/G23≤1.600;
BFL/T6≤1.600, preferable scope are 0.300≤BFL/T6≤1.600;
(T1+T3)/T4≤2.700, preferable scope are 1.100≤(T1+T3)/T4≤2.700;
AAG/ (G34+G45+T5+G56)≤5.800, preferable scope for 2.000≤AAG/ (G34+G45+T5+G56)≤
5.800;
(T1+G12)/T4≤2.200, preferable scope are 1.200≤(T1+G12)/T4≤2.200.
If (b) satisfying the following conditional expression, EFL is made to maintain a ratio with other optical parameters, in optical system thickness thinning
During, it can help to expand field of view angle.
(G12+T3+G34)/EFL≤4.800, preferable scope are 0.300≤(G12+T3+G34)/EFL≤4.800;
(G34+G45+T5+G56)/EFL≤2.000, preferable scope for 0.600≤(G34+G45+T5+G56)/EFL≤
2.000;
T3/EFL≤1.400, preferable scope are 0.600≤T3/EFL≤1.400;
(T2+G34+G45)/EFL≤1.700, preferable scope are 0.500≤(T2+G34+G45)/EFL≤1.700.
(c) optical component parameter is made to maintain an appropriate value with lens length ratio, avoids parameter is too small from being unfavorable for production system
It makes or avoids parameter excessive and so that lens length is long.
TTL/ (T3+G34+G45+T5+G56)≤6.500, preferable scope are 2.500≤TTL/ (T3+G34+G45+T5+
G56)≤6.500;
TL/ (T2+G34+G45)≤12.100, preferable scope are 5.700≤TL/ (T2+G34+G45)≤12.100;
TL/ (T4+BFL)≤8.400, preferable scope are 2.400≤TL/ (T4+BFL)≤8.400.
All meet operating specification through the longitudinal spherical aberration of various embodiments of the present invention, astigmatic image error, distortion.In addition, red, green,
Blue three kinds represent wavelength and are all concentrated in the Off-axis-light of different height near imaging point, can be seen by the skewness magnitude level of each curve
The imaging point deviation for going out the Off-axis-light of different height is all controlled and has good spherical aberration, aberration, distortion rejection ability.
Further regard to image quality data, it is also fairly close that three kinds of red, green, blue represents the distance of wavelength to each other, the display present invention
It is good to the centrality of different wave length light under various regimes and with excellent dispersion rejection ability, therefore penetrate and above-mentioned understand this
Invention possesses favorable optical performance.
In addition any combination relation of another optional embodiment parameter increases camera lens limitation, in favor of same architecture of the present invention
Lens design.
In view of the unpredictability of Optical System Design, under the framework of the present invention, meeting above-mentioned condition formula can be compared with
Lens length of the present invention is made to shorten, can be increased with aperture goodly, image quality is promoted or is assembled Yield lmproved and is improved previous skill
The shortcomings that art.
Foregoing listed exemplary qualified relation formula, also can optionally merge unequal number amount and be applied to the present invention's
In embodiment aspect, however it is not limited to this.When implementing the present invention, in addition to foregoing relationships, single lens or wide can be also directed to
Go out the thin portions structures such as the concave-convex curved surface arrangement of other more lens for multiple lens additional designs to general property, to strengthen to being
The control of performance of uniting and/or resolution ratio.It is noted that these details need to selectively merge under the situation of Lothrus apterus
It is applied among the other embodiment of the present invention.
Maximin is included obtained by the portfolio ratio relation of the disclosed optical parameter of each embodiment of the present invention
Within numberical range can all implement according to this.
The foregoing is merely the preferred embodiments of the invention, all equivalent changes done according to scope of the present invention patent with
Modification should all belong to the covering scope of the present invention.
Claims (20)
1. a kind of optical imaging lens, comprising an object side, an image side and an optical axis, one first lens are the object side to the image side
Number carrys out first lens with refractive index, and one second lens come second for the object side to the image side number has the saturating of refractive index
Mirror, one the 3rd lens for the image side to the object side number come the 4th have refractive index lens, one the 4th lens for the image side extremely
The object side number, which carrys out three pieces, has the lens of refractive index, and one the 5th lens come second for the image side to the object side number has dioptric
The lens of rate, one the 6th lens carry out first lens with refractive index for the image side to the object side number, and first lens are extremely
6th lens each include towards the object side and make an imaging light by an object side and towards the image side and make one one-tenth
As light by an image side surface, the wherein optical imaging lens meet following characteristics:
Second lens have negative refractive index, and the object side of second lens has a convex surface part of optical axis near zone, with
And the convex surface part with circumference near zone;
The material of 3rd lens is plastics, and the object side of the 3rd lens has a concave part of optical axis near zone;
The object side of 4th lens has a convex surface part of optical axis near zone;
The object side of 5th lens has a concave part of circumference near zone, and the image side surface of the 5th lens has light
One concave part of axis near zone and the concave part with circumference near zone;
The image side surface of 6th lens has a convex surface part of optical axis near zone and one convex with circumference near zone
Face;
Wherein G12 is the distance of the object side on the optical axis of the image side surface with second lens of first lens, and G34 is
The image side surface of 3rd lens and the distance of the object side on the optical axis of the 4th lens, T3 are defined as the 3rd lens
Center thickness on the optical axis, EFL is defined as the optical lens system effective focal length, and meets the following conditions:(G12+T3+
G34)/EFL≤4.800。
2. a kind of optical imaging lens, comprising an object side, an image side and an optical axis, one first lens are the object side to the image side
Number carrys out first lens with refractive index, and one second lens come second for the object side to the image side number has the saturating of refractive index
Mirror, one the 3rd lens for the image side to the object side number come the 4th have refractive index lens, one the 4th lens for the image side extremely
The object side number, which carrys out three pieces, has the lens of refractive index, and one the 5th lens come second for the image side to the object side number has dioptric
The lens of rate, one the 6th lens carry out first lens with refractive index for the image side to the object side number, and first lens are extremely
6th lens each include towards the object side and make an imaging light by an object side and towards the image side and make one one-tenth
As light by an image side surface, the wherein optical imaging lens meet following characteristics:
Second lens have negative refractive index, and the object side of second lens has a convex surface part of optical axis near zone, with
And the convex surface part with circumference near zone;
The material of 3rd lens is plastics, and the object side of the 3rd lens has a concave part of optical axis near zone, and
The image side surface of 3rd lens has a convex surface part of optical axis near zone;
The object side of 4th lens has a convex surface part of optical axis near zone;
The image side surface of 5th lens has a concave part of optical axis near zone and one recessed with circumference near zone
Face;
The image side surface of 6th lens has a convex surface part of optical axis near zone and one convex with circumference near zone
Face;Wherein G12 is the distance of the object side on the optical axis of the image side surface and second lens of first lens, G34
For the distance of the object side on the optical axis of the image side surface and the 4th lens of the 3rd lens, T3 is defined as the 3rd thoroughly
Center thickness of the mirror on the optical axis, EFL is defined as the optical lens system effective focal length, and meets the following conditions:(G12+T3
+G34)/EFL≤4.800。
3. a kind of optical imaging lens, comprising an object side, an image side and an optical axis, one first lens are the object side to the image side
Number carrys out first lens with refractive index, and one second lens come second for the object side to the image side number has the saturating of refractive index
Mirror, one the 3rd lens for the image side to the object side number come the 4th have refractive index lens, one the 4th lens for the image side extremely
The object side number, which carrys out three pieces, has the lens of refractive index, and one the 5th lens come second for the image side to the object side number has dioptric
The lens of rate, one the 6th lens carry out first lens with refractive index for the image side to the object side number, and first lens are extremely
6th lens each include towards the object side and make an imaging light by an object side and towards the image side and make one one-tenth
As light by an image side surface, the wherein optical imaging lens meet following characteristics:
The object side of second lens has a convex surface part of optical axis near zone and one convex with circumference near zone
Face;The material of 3rd lens is plastics, and the 3rd lens have positive refractive index, and the object side of the 3rd lens has
One concave part of optical axis near zone;
The object side of 4th lens has a convex surface part of optical axis near zone;
The image side surface of 5th lens has a concave part of optical axis near zone and one recessed with circumference near zone
Face;
The image side surface of 6th lens has a convex surface part of optical axis near zone and one convex with circumference near zone
Face;
Wherein G12 is the distance of the object side on the optical axis of the image side surface with second lens of first lens, and G34 is
The image side surface of 3rd lens and the distance of the object side on the optical axis of the 4th lens, T3 are the 3rd lens at this
Center thickness on optical axis, EFL is the optical imaging lens head system effective focal length, and meets the following conditions:(G12+T3+G34)/
EFL≤4.800。
4. the optical imaging lens as described in claim any one of 1-3, wherein G45 be the 4th lens the image side surface with this
The distance of the object side on the optical axis of five lens, T5 are center thickness of the 5th lens on the optical axis, G56 for this
The image side surface of five lens and the distance of the object side on the optical axis of the 6th lens, G23 are the picture of second lens
Side and the distance of the object side on the optical axis of the 3rd lens, AAG G12, the summation of G23, G34.G45 and G56, and
Meet the following conditions:AAG/(G34+G45+T5+G56)≤5.800.
5. the optical imaging lens as described in claim any one of 1-3, wherein T2 is the center of second lens on the optical axis
Thickness, G45 are the distance of the object side on the optical axis of the image side surface and the 5th lens of the 4th lens, and meet with
Lower condition:(T2+G34+G45)/EFL≤1.700.
6. the optical imaging lens as described in claim any one of 1-3, wherein ALT is all in the wrong in the optical imaging lens
Center thickness summation of the lens of light rate on the optical axis, T6 is center thickness of the 6th lens on the optical axis, and is met
The following conditions:ALT/T6≤4.300.
7. the optical imaging lens as described in claim any one of 1-3, wherein T1 is the center of first lens on the optical axis
Thickness, and meet the following conditions:G12/T1≤2.100.
8. the optical imaging lens as described in claim any one of 1-3, wherein T1 is the center of first lens on the optical axis
Thickness, T4 is center thickness of the 4th lens on the optical axis, and meets the following conditions:(T1+T3)/T4≤2.700.
9. the optical imaging lens as described in claim any one of 1-3, wherein BFL is the image side surface of the 6th lens to one one-tenth
Length of the image planes on the optical axis, G23 are the image side surface of second lens and the object side of the 3rd lens in the optical axis
On distance, and meet the following conditions:BFL/G23≤1.600.
10. the optical imaging lens as described in claim any one of 1-3, wherein T6 is center of the 6th lens on the optical axis
Thickness, G23 are the distance of the object side on the optical axis of the image side surface with the 3rd lens of second lens, and G45 is should
The image side surface of 4th lens and the distance of the object side on the optical axis of the 5th lens, G56 are being somebody's turn to do for the 5th lens
The distance of the object side on the optical axis of image side surface and the 6th lens, AAG G12, the summation of G23, G34, G45 and G56,
And meet the following conditions:AAG/T6≤2.500.
11. the optical imaging lens as described in claim any one of 1-3, wherein more meeting the following conditions:T3/EFL≤1.400.
12. the optical imaging lens as described in claim any one of 1-3, wherein ALT has to be all in the optical imaging lens
Center thickness summation of the lens of refractive index on the optical axis, G23 are image side surface and the 3rd lens of second lens
The distance of the object side on the optical axis, and meet the following conditions:ALT/G23≤4.700.
13. the optical imaging lens as described in claim any one of 1-3, wherein G12 is the image side surface of first lens with being somebody's turn to do
The distance of the object side on the optical axis of second lens, T2 is the center thickness of second lens on the optical axis, and is met
The following conditions:G12/(T2+G34+G45)≤1.400.
14. the optical imaging lens as described in claim any one of 1-3, wherein TL be first lens the object side to this
Distance of the image side surface of six lens on the optical axis, T4 are center thickness of the 4th lens on the optical axis, BFL for this
Length of the image side surface of six lens to an imaging surface on the optical axis, and meet the following conditions:TL/(T4+BFL)≤8.400.
15. the optical imaging lens as described in claim any one of 1-3, wherein TTL is the object side of first lens to one
Length of the imaging surface on the optical axis, G45 are the image side surface of the 4th lens and the object side of the 5th lens in the light
Distance on axis, T5 are center thickness of the 5th lens on the optical axis, G56 be the 5th lens the image side surface with this
The distance of the object side on the optical axis of six lens, and meet the following conditions:TTL/(T3+G34+G45+T5+G56)≤
6.500。
16. the optical imaging lens as described in claim any one of 1-3, wherein G23 is the image side surface of second lens with being somebody's turn to do
The distance of the object side on the optical axis of 3rd lens, G45 are the image side surface of the 4th lens and being somebody's turn to do for the 5th lens
Distance of the object side on the optical axis, G56 are the image side surface of the 5th lens and the object side of the 6th lens in the light
Distance on axis, AAG G12, the summation of G23, G34, G45 and G56, and meet the following conditions:AAG/G23≤2.300.
17. the optical imaging lens as described in claim any one of 1-3, wherein G45 is the image side surface of the 4th lens with being somebody's turn to do
The distance of the object side on the optical axis of 5th lens, T5 are center thickness of the 5th lens on the optical axis, and G56 is should
The image side surface of 5th lens and the distance of the object side on the optical axis of the 6th lens, and meet the following conditions:(G34+
G45+T5+G56)/EFL≤2.000。
18. the optical imaging lens as described in claim any one of 1-3, wherein T1 is the center of first lens on the optical axis
Thickness, T4 is center thickness of the 4th lens on the optical axis, and meets the following conditions:(T1+G12)/T4≤2.200.
19. the optical imaging lens as described in claim any one of 1-3, TL is that the object side of first lens is saturating to the 6th
Distance of the image side surface of mirror on the optical axis, T2 are the center thickness of second lens on the optical axis, and G45 is saturating for the 4th
The image side surface of mirror and the distance of the object side on the optical axis of the 5th lens, and meet the following conditions:TL/(T2+G34+
G45)≤12.100。
20. the optical imaging lens as described in claim any one of 1-3, wherein BFL is the image side surface of the 6th lens to one
Length of the imaging surface on the optical axis, T6 is center thickness of the 6th lens on the optical axis, and meets the following conditions:BFL/
T6≤1.600。
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CN201711082176.6A CN108107550A (en) | 2017-11-07 | 2017-11-07 | Optical imaging lens |
CN201811250271.7A CN109581636B (en) | 2017-11-07 | 2018-10-25 | Optical imaging lens |
US16/205,235 US10488628B2 (en) | 2017-11-07 | 2018-11-30 | Optical imaging lens |
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Cited By (4)
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CN112666685A (en) * | 2020-12-25 | 2021-04-16 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
US10996444B2 (en) | 2018-04-18 | 2021-05-04 | Largan Precision Co., Ltd. | Photographing optical lens assembly, imaging apparatus and electronic device |
US11686922B2 (en) | 2020-02-14 | 2023-06-27 | Largan Precision Co., Ltd. | Imaging optical lens assembly, image capturing unit and electronic device |
US11719911B2 (en) | 2020-02-14 | 2023-08-08 | Largan Precision Co., Ltd. | Imaging optical lens assembly, image capturing unit and electronic device |
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CN112558282A (en) * | 2020-12-22 | 2021-03-26 | 厦门力鼎光电股份有限公司 | Wide-angle optical imaging lens |
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KR101917228B1 (en) * | 2011-08-17 | 2019-01-29 | 엘지이노텍 주식회사 | Imaging lens |
JP2015034922A (en) * | 2013-08-09 | 2015-02-19 | 日本電産サンキョー株式会社 | Wide-angle lens |
CN104122645B (en) * | 2014-03-12 | 2017-02-15 | 玉晶光电(厦门)有限公司 | Optical imaging lens and electronic device using same |
JP6385214B2 (en) * | 2014-09-12 | 2018-09-05 | 日本電産サンキョー株式会社 | Wide angle lens |
CN105511053B (en) * | 2016-01-12 | 2017-12-15 | 广东弘景光电科技股份有限公司 | A kind of high-pixel camera optical system and its camera lens of application |
CN105866930B (en) * | 2016-06-21 | 2018-07-06 | 中山联合光电科技股份有限公司 | A kind of high definition camera lens |
JP2018055045A (en) * | 2016-09-30 | 2018-04-05 | 日本電産サンキョー株式会社 | Wide-angle lens |
CN106842520B (en) * | 2017-03-30 | 2022-10-11 | 中山联合光电科技股份有限公司 | High-definition panoramic all-around optical imaging system |
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2017
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US10996444B2 (en) | 2018-04-18 | 2021-05-04 | Largan Precision Co., Ltd. | Photographing optical lens assembly, imaging apparatus and electronic device |
US11686922B2 (en) | 2020-02-14 | 2023-06-27 | Largan Precision Co., Ltd. | Imaging optical lens assembly, image capturing unit and electronic device |
US11719911B2 (en) | 2020-02-14 | 2023-08-08 | Largan Precision Co., Ltd. | Imaging optical lens assembly, image capturing unit and electronic device |
CN112666685A (en) * | 2020-12-25 | 2021-04-16 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
US20220206263A1 (en) * | 2020-12-25 | 2022-06-30 | Genius Electronic Optical (Xiamen) Co., Ltd. | Optical imaging lens |
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