CN107632374A - The high big target surface large aperture ultra wide-angle imaging module of pixel - Google Patents
The high big target surface large aperture ultra wide-angle imaging module of pixel Download PDFInfo
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- CN107632374A CN107632374A CN201711087729.7A CN201711087729A CN107632374A CN 107632374 A CN107632374 A CN 107632374A CN 201711087729 A CN201711087729 A CN 201711087729A CN 107632374 A CN107632374 A CN 107632374A
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Abstract
The embodiment of the invention discloses a kind of high big target surface large aperture ultra wide-angle imaging module of pixel, it is sequentially provided with along optical axis from object plane to image planes：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens；First power of lens is negative；Second power of lens is negative；3rd power of lens is negative；4th power of lens is just；5th power of lens is just；6th power of lens is negative；And the optics overall length TTL of this optical system meets：20mm≤TTL≤28mm.The embodiment of the present invention, it is mainly made up of 6 pieces of lens, and eyeglass piece number is few, and simple in construction, cost is relatively low；It is mutually combined using different lens and reasonable distribution focal power, there can be big target surface with the aberration and temperature effect of effective compensation system, large aperture, parsing power is good, and distort small, the favorable optical performances such as temperature performance is excellent.
Description
Technical field：
The present invention relates to a kind of camera module, especially a kind of big target surface large aperture ultra wide-angle imaging module of high pixel.
Background technology：
It is applied to the full glass camera module of electronic product at present, generally existing parsing power is relatively low, and large aperture optical system is purple
The defects of side is serious, and temperature effect is poor.Meanwhile the high big target surface camera module of pixel, generally use 8G above structures, exist into
The problems such as this height, aperture is small, and thang-kng amount is relatively low.
The content of the invention：
To overcome existing camera module, generally existing parses the problem of power is relatively low, and purple boundary is serious, and temperature effect is poor, this
Inventive embodiments provide a kind of big target surface large aperture ultra wide-angle imaging module of high pixel.
The high big target surface large aperture ultra wide-angle imaging module of pixel, is sequentially provided with along optical axis from object plane to image planes：First lens,
Second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens；
The object plane side of first lens is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of second lens is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of 3rd lens is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of 4th lens is convex surface, and image planes side is convex surface, and its focal power is just；
The object plane side of 5th lens is convex surface, and image planes side is convex surface, and its focal power is just；
The object plane side of 6th lens is concave surface, and image planes side is convex surface, and its focal power is negative；
And the optics overall length TTL of this optical system meets：20mm≤TTL≤28mm.
The embodiment of the present invention, it is mainly made up of 6 pieces of lens, and eyeglass piece number is few, and simple in construction, cost is relatively low；Using not
It is mutually combined with lens and reasonable distribution focal power, there can be big target surface, greatly with the aberration and temperature effect of effective compensation system
Aperture, parsing power is good, and distort small, the favorable optical performances such as temperature performance is excellent.The optical system, the solution of 5M chips can be met
Image force, big target surface, the big angle of visual field and the property taken into account as matter are taken into full account, it is excellent to ensure that it has in the case of big visual angle
Image quality, there are more preferable color reducibility, and wider range of temperature use environment under the conditions of large aperture.
Brief description of the drawings：
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of the camera module of the present invention；
Fig. 2 is the defocusing curve figure of the camera module of the present invention；
Fig. 3 is the distortion curve figure of the camera module of the present invention；
Fig. 4 is the MTF curve figure of the camera module of the present invention；
Fig. 5 is -20 DEG C of defocusing curve figures of the camera module of the present invention；
Fig. 6 is 60 DEG C of defocusing curve figures of the camera module of the present invention.
Embodiment：
In order that technical problem solved by the invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
As shown in figure 1, a kind of big target surface large aperture ultra wide-angle imaging module of high pixel, it comprises at least camera lens and camera lens
The base of cooperation and the light sensitive device for being used for optical signal of the reception from camera lens on base, camera lens is interior to be provided with optical system
System, optical system are sequentially provided with along optical axis from object plane to image planes：First lens 1, the second lens 2, the 3rd lens 3, the 4th lens
4th, the 5th lens 5 and the 6th lens 6.
The object plane side of first lens 1 is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of second lens 2 is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of 3rd lens 3 is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of 4th lens 4 is convex surface, and image planes side is convex surface, and its focal power is just；
The object plane side of 5th lens 5 is convex surface, and image planes side is convex surface, and its focal power is just；
The object plane side of 6th lens 6 is concave surface, and image planes side is convex surface, and its focal power is negative；
And the optics overall length TTL of this optical system meets：20mm≤TTL≤28mm.
The embodiment of the present invention, it is mainly made up of 6 pieces of lens, and eyeglass piece number is few, and simple in construction, cost is relatively low；Using not
It is mutually combined with lens and reasonable distribution focal power, there can be big target surface, greatly with the aberration and temperature effect of effective compensation system
Aperture, parsing power is good, and distort small, the favorable optical performances such as temperature performance is excellent.The optical system, the solution of 5M chips can be met
Image force, big target surface, the big angle of visual field and the property taken into account as matter are taken into full account, it is excellent to ensure that it has in the case of big visual angle
Image quality, there are more preferable color reducibility, and wider range of temperature use environment under the conditions of large aperture.
Further, in the present embodiment, the 5th lens 5 and the mutually glued formation compound lens of the 6th lens 6.It is simple in construction
It is compact, by different lens be mutually combined and its reasonable distribution focal power, make optical system that there is big target surface, large aperture, solution
It is good to analyse power, distort small, the favorable optical performances such as temperature performance is excellent.
Yet further, non-limiting as the embodiment of this programme, each lens of the optical system meet such as
Lower condition：
(1)-0.64<f/f1<-0.26；
(2)-0.25<f/f2<-0.05；
(3)-0.32<f/f3<-0.18；
(4)0.50<f/f4<1.21；
(5)0.51<f/f5<1.49；
(6)-0.85<f/f6<-0.38；
(7)Vd2-Vd4>30；
Wherein, f1 is the focal length of the first lens 1, and f2 is the focal length of the second lens 2, and f3 is the focal length of the 3rd lens 3, and f4 is
The focal length of 4th lens 4, f5 are the focal length of the 5th lens 5, and f6 is the focal length of the 6th lens 6, and f is Jiao of whole optical system
It is the material Abbe constant of the second lens 2 and the 4th lens 4 respectively away from, Vd2 and Vd4.By different lens be mutually combined and
Its reasonable distribution focal power, make optical system that there is big target surface, large aperture, parsing power is good, and it is good that distortion is small, and temperature performance is excellent etc.
Good optical property.
Further, it is non-limiting as the preferred embodiment of this programme, focal length f1, the material folding of the first lens 1
Penetrate rate Nd1, material Abbe constant Vd1 satisfaction：-11.31mm<f1<- 4.69mm, 1.49<Nd1<1.70 50<Vd1<67.Structure
Simply, it is ensured that good optical property.
Further, it is non-limiting as the preferred embodiment of this programme, focal length f2, the material folding of the second lens 2
Penetrate rate Nd2, material Abbe constant Vd2 satisfaction：-60.04mm<f2<- 11.82mm, 1.45<Nd2<1.65 60<Vd2<91.Structure
Simply, it is ensured that good optical property.
Specifically, it is non-limiting as the preferred embodiment of this programme, focal length f3, the Refractive Index of Material of the 3rd lens 3
Nd3, material Abbe constant Vd3 meet：-16.45mm<f3<- 9.28mm, 1.55<Nd3<1.85 23<Vd3<45.It is simple in construction,
Good optical property can be ensured.
More specifically, the focal length f4 of fourth lens 4, material refraction non-limiting as the preferred embodiment of this programme
Rate Nd4, material Abbe constant Vd4 meet：2.47mm<f4<6.02mm 1.80<Nd4<1.96 25<Vd4<50.It is simple in construction,
Good optical property can be ensured.
Further, it is non-limiting as the preferred embodiment of this programme, the focal length f5 of the 5th lens 5, material refraction
Rate Nd5, material Abbe constant Vd5 meet：2.01mm<f5<5.93mm 1.55<Nd5<1.76 45<Vd5<70.It is simple in construction,
Good optical property can be ensured.
Further, it is non-limiting as the preferred embodiment of this programme, focal length f6, the material folding of the 6th lens 6
Penetrate rate Nd6, material Abbe constant Vd6 satisfaction：-7.89mm<f6<- 3.53mm, 1.80<Nd6<2.05 15<Vd6<30.Structure letter
It is single, it is ensured that good optical property.
Further, the diaphragm 7 of this optical system is between the 3rd lens 3 and the 4th lens 4.It is simple in construction, use
To adjust the intensity of light beam.
Specifically, in the present embodiment, the focal length f of this optical system is 3.24mm, and stop index FNo. is 1.8, visual field
ω=172 ° of angle 2, optics overall length TTL are 21.2mm, maximum as circle size is 7.8mm.Every basic parameter of this optical system
It is as shown in the table：
In upper table, along optical axis from object plane to image planes, S1, S2 correspond to two surfaces of the first lens 1；S3, S4 are corresponded to
Two surfaces of the second lens 2；S5, S6 correspond to two surfaces of the 3rd lens 3；STO is diaphragm 7；S8, S9 correspond to the 4th
Two surfaces of lens 4；S10, S11 correspond to two surfaces of the 5th lens 5；S11, S12 correspond to two of the 6th lens 6
Surface；IMA is image planes 8.
As can be seen that the optical system in the present embodiment can be with the aberration and temperature of effective compensation system in from Fig. 2 to Fig. 6
Effect, there is big target surface, large aperture, parsing power is good, and distort small, the favorable optical performances such as temperature performance is excellent.
It is to combine one or more embodiments that particular content provides as described above, does not assert the specific reality of the present invention
Apply and be confined to these explanations.It is all approximate with method of the invention, structure etc., identical, or for present inventive concept under the premise of
Some technology deduction or replace are made, should all be considered as protection scope of the present invention.
Claims (10)
1. the high big target surface large aperture ultra wide-angle imaging module of pixel, it comprises at least camera lens, the base coordinated with camera lens, Yi Jishe
In the light sensitive device for being used to receive the optical signal from camera lens on base, optical system is provided with camera lens, optical system is along optical axis
It is sequentially provided with from object plane to image planes：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th are saturating
Mirror；Characterized in that,
The object plane side of first lens is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of second lens is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of 3rd lens is convex surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of 4th lens is convex surface, and image planes side is convex surface, and its focal power is just；
The object plane side of 5th lens is convex surface, and image planes side is convex surface, and its focal power is just；
The object plane side of 6th lens is concave surface, and image planes side is convex surface, and its focal power is negative；
And the optics overall length TTL of this optical system meets：20mm≤TTL≤28mm.
2. the big target surface large aperture ultra wide-angle imaging module of high pixel according to claim 1, it is characterised in that the 5th lens
With the mutually glued formation compound lens of the 6th lens.
3. the big target surface large aperture ultra wide-angle imaging module of high pixel according to claim 1, it is characterised in that the optical system
Each lens of system meet following condition：
(1)-0.64<f/f1<-0.26；
(2)-0.25<f/f2<-0.05；
(3)-0.32<f/f3<-0.18；
(4)0.50<f/f4<1.21；
(5)0.51<f/f5<1.49；
(6)-0.85<f/f6<-0.38；
(7)Vd2-Vd4>30；
Wherein, f1 is the focal length of the first lens, and f2 is the focal length of the second lens, and f3 is the focal length of the 3rd lens, and f4 is the 4th saturating
The focal length of mirror, f5 are the focal length of the 5th lens, and f6 is the focal length of the 6th lens, and f is the focal length of whole optical system, Vd2 and Vd4
It is the material Abbe constant of the second lens and the 4th lens respectively.
4. the big target surface large aperture ultra wide-angle imaging module of high pixel according to claim 1, it is characterised in that the first lens
Focal length f1, Refractive Index of Material Nd1, material Abbe constant Vd1 meet：-11.31mm<f1<- 4.69mm, 1.49<Nd1<1.70
50<Vd1<67。
5. the big target surface large aperture ultra wide-angle imaging module of high pixel according to claim 1, it is characterised in that the second lens
Focal length f2, Refractive Index of Material Nd2, material Abbe constant Vd2 meet：-60.04mm<f2<- 11.82mm, 1.45<Nd2<
1.65 60<Vd2<91.
6. the big target surface large aperture ultra wide-angle imaging module of high pixel according to claim 1, it is characterised in that the 3rd lens
Focal length f3, Refractive Index of Material Nd3, material Abbe constant Vd3 meet：-16.45mm<f3<- 9.28mm, 1.55<Nd3<1.85
23<Vd3<45。
7. the big target surface large aperture ultra wide-angle imaging module of high pixel according to claim 1, it is characterised in that the 4th lens
Focal length f4, Refractive Index of Material Nd4, material Abbe constant Vd4 meet：2.47mm<f4<6.02mm 1.80<Nd4<1.96 25<
Vd4<50。
8. the big target surface large aperture ultra wide-angle imaging module of high pixel according to claim 1, it is characterised in that the 5th lens
Focal length f5, Refractive Index of Material Nd5, material Abbe constant Vd5 meet：2.01mm<f5<5.93mm 1.55<Nd5<1.76 45<
Vd5<70。
9. the big target surface large aperture ultra wide-angle imaging module of high pixel according to claim 1, it is characterised in that the 6th lens
Focal length f6, Refractive Index of Material Nd6, material Abbe constant Vd6 meet：-7.89mm<f6<- 3.53mm, 1.80<Nd6<2.05
15<Vd6<30。
10. the big target surface large aperture ultra wide-angle imaging module of high pixel according to claim 1, it is characterised in that this optics
The diaphragm of system is between the 3rd lens and the 4th lens.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711087729.7A CN107632374B (en) | 2017-11-08 | 2017-11-08 | High-pixel large-target-surface large-aperture ultra-wide-angle camera shooting module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087729.7A CN107632374B (en) | 2017-11-08 | 2017-11-08 | High-pixel large-target-surface large-aperture ultra-wide-angle camera shooting module |
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| CN107632374B CN107632374B (en) | 2023-07-28 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008233610A (en) * | 2007-03-22 | 2008-10-02 | Fujinon Corp | Imaging lens and imaging device equipped with the imaging lens |
| JP2012068448A (en) * | 2010-09-24 | 2012-04-05 | Olympus Imaging Corp | Optical system and imaging apparatus using the same |
| JPWO2012026070A1 (en) * | 2010-08-25 | 2013-10-28 | パナソニック株式会社 | Single focus lens system, interchangeable lens device and camera system |
| CN206115006U (en) * | 2016-09-05 | 2017-04-19 | 江西联益光学有限公司 | Fish -eye lens |
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2017
- 2017-11-08 CN CN201711087729.7A patent/CN107632374B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008233610A (en) * | 2007-03-22 | 2008-10-02 | Fujinon Corp | Imaging lens and imaging device equipped with the imaging lens |
| JPWO2012026070A1 (en) * | 2010-08-25 | 2013-10-28 | パナソニック株式会社 | Single focus lens system, interchangeable lens device and camera system |
| JP2012068448A (en) * | 2010-09-24 | 2012-04-05 | Olympus Imaging Corp | Optical system and imaging apparatus using the same |
| CN206115006U (en) * | 2016-09-05 | 2017-04-19 | 江西联益光学有限公司 | Fish -eye lens |
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| CN107632374B (en) | 2023-07-28 |
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