CN107608056A - large aperture high-pixel camera module - Google Patents
large aperture high-pixel camera module Download PDFInfo
- Publication number
- CN107608056A CN107608056A CN201710898297.1A CN201710898297A CN107608056A CN 107608056 A CN107608056 A CN 107608056A CN 201710898297 A CN201710898297 A CN 201710898297A CN 107608056 A CN107608056 A CN 107608056A
- Authority
- CN
- China
- Prior art keywords
- lens
- focal length
- camera module
- object plane
- large aperture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 45
- 150000001875 compounds Chemical class 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 24
- 238000003384 imaging method Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Lenses (AREA)
Abstract
The embodiment of the invention discloses a kind of large aperture high-pixel camera module, and it comprises at least camera lens, base, light sensitive device, is provided with optical system in camera lens, optical system 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, the 6th lens；The object plane side of first lens is convex surface, and image planes side is concave surface；The object plane side of second lens is convex surface, and image planes side is concave surface；The object plane side of 3rd lens is convex surface, and image planes side is concave surface；4th lens are biconvex；5th lens are biconvex；The object plane side of 6th lens is concave surface, and image planes side is convex surface；Wherein, the 5th lens and the 6th lens are compound lens, and meet TTL/EFL≤4.5.The embodiment of the present invention, mainly it is made up of six pieces of lens in its lens barrel, lens piece number is few, simple in construction；It is mutually combined using different lens, and the 4th lens and the 5th lens are balsaming lens, have the optical properties such as large aperture, high pixel, low distortion and good athermal.
Description
Technical field：
The present invention relates to a kind of camera module, especially a kind of large aperture high-pixel camera module.
Background technology：
With the application and popularization of automobile safety driving system, vehicle-mounted pick-up module has also obtained commonly used.And apply
In the camera module requirement of in-car electronics rearview mirror adapt under daytime and night environment can blur-free imaging, therefore camera module
Need to consider large aperture；Meanwhile in order to meet to the identification of the details of surrounding environment, therefore camera module need to possess it is higher clear
Degree.To meet above-mentioned requirements, the defects of overcoming existing vehicle-mounted pick-up module generally existing eyeglass excessive, complicated, one is proposed
Kind large aperture high-pixel camera module.
The content of the invention：
To overcome existing vehicle-mounted pick-up module the problem of eyeglass is excessive, complicated to be present, the embodiments of the invention provide
A kind of large aperture high-pixel camera module.
Large aperture high-pixel camera module, it comprises at least camera lens, the base coordinated with camera lens and used on base
In being provided with optical system in the light sensitive device for receiving the optical signal from camera lens, camera lens, optical system is along optical axis from object plane to picture
Face is sequentially provided with：First lens, the 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 convex surface, and its focal power is just；
The object plane side of 3rd lens is concave surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of 4th lens is concave 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；
Wherein, the 5th lens and the mutually glued formation compound lens of the 6th lens, and meet TTL/EFL≤4.5, wherein
TTL be the first lens object plane side summit of optical system the distance between to imaging surface, EFL is the effective focal length of optical system.
The embodiment of the present invention, mainly it is made up of six pieces of lens in the camera lens of camera module, lens piece number is few, simple in construction；
It is mutually combined using different lens, and the 5th lens and the 6th lens are balsaming lens, have large aperture, high pixel, low distortion
With the optical property such as good athermal.
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 distortion curve figure of the camera module of the present invention at+25 DEG C；
Fig. 3 is MTF curve figure of the camera module of the present invention at+25 DEG C；
Fig. 4 is relative illumination figure of the camera module of the present invention at+25 DEG C；
Fig. 5 is MTF curve figure of the camera module of the present invention at -40 DEG C；
Fig. 6 is MTF curve figure of the camera module of the present invention at+85 DEG C.
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, large aperture high-pixel camera module, 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
8 are sequentially provided with from object plane to image planes：First lens 1, the second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5 and
Six 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 convex surface, and its focal power is just；
The object plane side of 3rd lens 3 is concave surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of 4th lens 4 is concave 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；
Wherein, the 5th lens 5 and the mutually glued formation compound lens of the 6th lens 6, and meet TTL/EFL≤4.5, wherein
TTL be the first lens object plane side summit of optical system the distance between to imaging surface, EFL is the effective focal length of optical system,
Its value is the focal length f of whole optical system.
The embodiment of the present invention, mainly it is made up of six pieces of lens in the camera lens of its camera module, lens piece number is few, structure letter
It is single；It is mutually combined using different lens, and the 5th lens, the 6th lens are balsaming lens, there is large aperture, high pixel, low abnormal
The optical property such as change and good athermal.
Further, each lens of the optical system meet following condition：
(1)-10<f1<-2；
(2)2<f2<10；
(3)-10<f3<-2；
(4)2<f4<10；
(5)2<f5<10；
(6)-15<f6<-5；
(7)5<f56<20；
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 f56 is the 5th lens 5 and the 6th
Focal length after the combination of lens 6.It is mutually combined using different lens, there is large aperture, high pixel, low distortion and good athermal etc.
Optical property.
Yet further, each lens of the optical system meet following condition：
(1)-3.0<f1/f<-0.8；
(2)0.5<f2/f<1.5；
(3)-1.5<f3/f<-0.5；
(4)1.2<f4/f<2.0；
(5)0.8<f5/f<1.7；
(6)2.0<f6/f<3.2；
(7)-3.0<f56/f<-1.0；
Wherein, f be whole optical system focal length, f1 be the first lens 1 focal length, f2 be the second lens 2 focal length, f3
For the focal length of the 3rd lens 3, f4 is the focal length of the 4th lens 4, and f5 is the focal length of the 5th lens 5, and f6 is Jiao of the 6th lens 6
Away from f56 is the focal length after the 5th lens 5 combine with the 6th lens 6.It is mutually combined using different lens, there is large aperture, high picture
The optical property such as plain, low distortion and good athermal.
Further, the Refractive Index of Material Nd1 of the first lens 1, material Abbe constant Vd1 meet：1.75<Nd1<1.95
25<Vd1<50.It is simple in construction, it is ensured that good optical property.
Yet further, the Refractive Index of Material Nd2 of the second lens 2, material Abbe constant Vd2 meet：1.80<Nd2<
2.10,20<Vd2<35.It is simple in construction, it is ensured that good optical property.
Further, the Refractive Index of Material Nd3 of the 3rd lens 3, material Abbe constant Vd3 meet：1.75<Nd3<
1.95 17<Vd3<40.It is simple in construction, it is ensured that good optical property.
Further, the Refractive Index of Material Nd4 of the 4th lens 4, material Abbe constant Vd4 meet：1.75<Nd4<
1.95 35<Vd4<55.It is simple in construction, it is ensured that good optical property.
Further, the Refractive Index of Material Nd5 of the 5th lens 5, material Abbe constant Vd5 meet：1.55<Nd5<
1.75 45<Vd5<70.It is simple in construction, it is ensured that good optical property.
Yet further, the Refractive Index of Material Nd6 of the 6th lens 6, material Abbe constant Vd6 meet：1.75<Nd6<
1.98 15<Vd6<40.It is simple in construction, it is ensured that good optical property.
Further, the aperture diaphragm 7 of optical system is between the first lens 1 and the second lens 2, close to the second lens
2 sides.It is simple in construction, for adjusting the intensity of light beam.
Specifically, in the present embodiment, the focal length f of this optical system is 4.5mm, and stop index FNo. is 1.7, the angle of visual field
" the high definition Sensor that 2 ω=90 °, is suitable for 1/2.7.Every basic parameter of this optical system 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 corresponds to optics
System aperture diaphragm STO positions, S4, S5 correspond to two surfaces of the second lens 2；S6, S7 correspond to the 3rd lens 3
Two surfaces；S8, S9 correspond to two surfaces of the 4th lens 4；S10, S11 correspond to two surfaces of the 5th lens 5；S11,
S12 corresponds to two surfaces of the 6th lens 6；S13, S14 correspond to the protective glass between the 6th lens 6 and image planes 8
(COVERGLASS) two surfaces；S15 corresponds to Sensor imaging surfaces 8.
As can be seen that the camera module in the present embodiment has extraordinary athermal performance in from Fig. 2 to Fig. 6.Using
It is optical that different lens combinations and reasonable distribution focal power realize large aperture, high pixel, low distortion and good athermal etc.
Energy.
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. large aperture high-pixel camera module, it comprises at least camera lens, the base coordinated with camera lens and is used on base
The light sensitive device of the optical signal from camera lens is received, is provided with optical system in camera lens, optical system is along optical axis from object plane to image planes
It is sequentially provided with：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens and the 6th lens；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 convex surface, and its focal power is just；
The object plane side of 3rd lens is concave surface, and image planes side is concave surface, and its focal power is negative；
The object plane side of 4th lens is concave 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；
Wherein, the 5th lens and the mutually glued formation compound lens of the 6th lens, and meet TTL/EFL≤4.5, wherein TTL is
The distance between to imaging surface, EFL is the effective focal length of optical system on first lens object plane side summit of optical system.
2. large aperture high-pixel camera module according to claim 1, it is characterised in that each lens of the optical system are expired
The following condition of foot：
(1)-10<f1<-2；
(2)2<f2<10；
(3)-10<f3<-2；
(4)2<f4<10；
(5)2<f5<10；
(6)-15<f6<-5；
(7)5<f56<20；
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, after f56 is the 5th lens and the 6th lens combination
Focal length.
3. large aperture high-pixel camera module according to claim 1, it is characterised in that each lens of the optical system are expired
The following condition of foot：
(1)-3.0<f1/f<-0.8；
(2)0.5<f2/f<1.5；
(3)-1.5<f3/f<-0.5；
(4)1.2<f4/f<2.0；
(5)0.8<f5/f<1.7；
(6)2.0<f6/f<3.2；
(7)-3.0<f56/f<-1.0；
Wherein, f is the focal length of whole optical system, and f1 is the focal length of the first lens, and f2 is the focal length of the second lens, and f3 is the 3rd
The focal length of lens, f4 are the focal length of the 4th lens, and f5 is the focal length of the 5th lens, and f6 is the focal length of the 6th lens, and f56 is the 5th
Focal length after lens and the 6th lens combination.
4. the large aperture high-pixel camera module according to Claims 2 or 3, it is characterised in that the material folding of the first lens
Penetrate rate Nd1, material Abbe constant Vd1 satisfaction：1.75<Nd1<1.95 25<Vd1<50.
5. the large aperture high-pixel camera module according to Claims 2 or 3, it is characterised in that the material folding of the second lens
Penetrate rate Nd2, material Abbe number Vd2 satisfaction：1.80<Nd2<2.10,20<Vd2<35.
6. the large aperture high-pixel camera module according to Claims 2 or 3, it is characterised in that the material folding of the 3rd lens
Penetrate rate Nd3, material Abbe number Vd3 satisfaction：1.75<Nd3<1.95 17<Vd3<40.
7. the large aperture high-pixel camera module according to Claims 2 or 3, it is characterised in that the material folding of the 4th lens
Penetrate rate Nd4, material Abbe number Vd4 satisfaction：1.75<Nd4<1.95 35<Vd4<55.
8. the large aperture high-pixel camera module according to Claims 2 or 3, it is characterised in that the material folding of the 5th lens
Penetrate rate Nd5, material Abbe number Vd5 satisfaction：1.55<Nd5<1.75 45<Vd5<70.
9. the large aperture high-pixel camera module according to Claims 2 or 3, it is characterised in that the material folding of the 6th lens
Penetrate rate Nd6, material Abbe number Vd6 satisfaction：1.75<Nd6<1.98 15<Vd6<40.
10. the large aperture high-pixel camera module according to claim 1,2 or 3, it is characterised in that the diaphragm of optical system
STO is between the first lens and the second lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898297.1A CN107608056B (en) | 2017-09-28 | 2017-09-28 | Large aperture high pixel camera module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898297.1A CN107608056B (en) | 2017-09-28 | 2017-09-28 | Large aperture high pixel camera module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107608056A true CN107608056A (en) | 2018-01-19 |
| CN107608056B CN107608056B (en) | 2023-10-27 |
Family
ID=61059302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710898297.1A Active CN107608056B (en) | 2017-09-28 | 2017-09-28 | Large aperture high pixel camera module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107608056B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019061866A1 (en) * | 2017-09-28 | 2019-04-04 | 广东弘景光电科技股份有限公司 | Large-aperture high-pixel optical system and image capture module applying same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125257A (en) * | 2016-08-31 | 2016-11-16 | 广东弘景光电科技股份有限公司 | Low distorted optical system and the camera lens of application thereof |
| CN206020791U (en) * | 2016-08-31 | 2017-03-15 | 广东弘景光电科技股份有限公司 | The low distorted optical system of small size and its camera lens of application |
| CN107065140A (en) * | 2017-05-04 | 2017-08-18 | 威海嘉瑞光电科技股份有限公司 | A kind of intelligent vehicle-carried high-pixel wide-angle camera lens |
-
2017
- 2017-09-28 CN CN201710898297.1A patent/CN107608056B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125257A (en) * | 2016-08-31 | 2016-11-16 | 广东弘景光电科技股份有限公司 | Low distorted optical system and the camera lens of application thereof |
| CN206020791U (en) * | 2016-08-31 | 2017-03-15 | 广东弘景光电科技股份有限公司 | The low distorted optical system of small size and its camera lens of application |
| CN107065140A (en) * | 2017-05-04 | 2017-08-18 | 威海嘉瑞光电科技股份有限公司 | A kind of intelligent vehicle-carried high-pixel wide-angle camera lens |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019061866A1 (en) * | 2017-09-28 | 2019-04-04 | 广东弘景光电科技股份有限公司 | Large-aperture high-pixel optical system and image capture module applying same |
| US10948689B2 (en) | 2017-09-28 | 2021-03-16 | Guangdong Hongjing Optoelectronic Technology Inc. | Large-aperture, high-pixel optical system and camera module used thereby |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107608056B (en) | 2023-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207264010U (en) | The high pixel optics system of large aperture and its camera module of application | |
| CN106443976B (en) | Large aperture high definition optical system and its camera lens of application | |
| CN106125257B (en) | Low distorted optical system and its camera lens of application | |
| CN109581634B (en) | High-pixel wide-angle day and night confocal optical system and camera module applying same | |
| CN107728292A (en) | High pixel ultra wide-angle imaging module | |
| CN110109233B (en) | Large aperture optical system and camera module using same | |
| CN105511053B (en) | A kind of high-pixel camera optical system and its camera lens of application | |
| CN111045197A (en) | High-definition wide-angle day and night confocal optical system and camera module applying same | |
| CN108761745A (en) | Wide-angle optics and its camera module of application | |
| CN211878291U (en) | High-definition wide-angle day and night confocal optical system and camera module | |
| CN106125260B (en) | The high pixel optics system of the low distortion of ultra-wide angle and its camera lens of application | |
| CN107505691B (en) | Large aperture high pixel optical system | |
| CN106371196B (en) | The short overall length optical system of the high pixel of large aperture ultra-wide angle and its camera lens of application | |
| CN206920685U (en) | High definition wide-angle optics and its camera module of application | |
| CN109991719B (en) | High-definition wide-angle day and night confocal optical system and camera module applying same | |
| CN114815175B (en) | Wide-angle high-definition optical system and camera module applying same | |
| CN107608058A (en) | Low distortion wide-angle optics | |
| CN206331173U (en) | Large aperture high definition optical system and its camera lens of application | |
| CN107608056A (en) | large aperture high-pixel camera module | |
| CN111308648A (en) | Vehicle-mounted forward-looking optical system and camera module applied by same | |
| CN108427184A (en) | The big target surface Depth Imaging optical system of co carbonization and its camera module of application | |
| CN107621689A (en) | Minimize fish eye optical systems | |
| CN109975954B (en) | High-pixel road monitoring optical system and camera module applying same | |
| CN209400778U (en) | Large aperture takes the photograph the camera module of remote optical system and its application | |
| CN109683285B (en) | Large-aperture telephoto optical system and camera module using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |