CN206906678U - A kind of high definition mobile phone imaging lens - Google Patents
A kind of high definition mobile phone imaging lens Download PDFInfo
- Publication number
- CN206906678U CN206906678U CN201720795193.3U CN201720795193U CN206906678U CN 206906678 U CN206906678 U CN 206906678U CN 201720795193 U CN201720795193 U CN 201720795193U CN 206906678 U CN206906678 U CN 206906678U
- Authority
- CN
- China
- Prior art keywords
- lens
- mobile phone
- high definition
- phone imaging
- definition mobile
- 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.)
- Active
Links
Landscapes
- Lenses (AREA)
Abstract
The utility model discloses a kind of high definition mobile phone imaging lens, including lens barrel, described lens barrel is provided with aperture diaphragm, in described lens barrel the first lens are sequentially provided with from aperture diaphragm to image side, second lens, 3rd lens and optical filter, the first described lens are the biconvex lens of positive focal length, the second described lens are negative lens, and the thing side of the second described lens is concave surface, the image side surface of the second described lens is convex surface, the 3rd described lens are positive lens, and the thing side of the 3rd described lens is convex surface, the image side surface of 3rd lens is concave surface, the first described lens, the surface of second lens and the 3rd lens is aspherical, so that the camera lens meets that the angle of visual field is wide, total length, pixel high definition.
Description
【Technical field】
It the utility model is related to a kind of high definition mobile phone imaging lens.
【Background technology】
Development in science and technology drives smart mobile phone to constantly update the replacement and weeded out the old and bring forth the new, as consumer is various to mobile phone integrated functionality
Change, the lightening requirement of size improves constantly, while ensureing that mobile phone is lighter and thinner, to taking pictures, the definition of video capability
It is it is required that also increasingly strict.
Mobile lens on the market at present, the defects of generally existing can not meet frivolous and high definition demand simultaneously, this practicality
It is new precisely in order to overcoming disadvantages mentioned above and caused.
【Utility model content】
The purpose of the utility model is to overcome the deficiencies in the prior art, there is provided a kind of high definition mobile phone imaging lens simple in construction
Head, the camera lens meet that the angle of visual field is wide, total length, the features such as pixel high definition.
The utility model is achieved through the following technical solutions：
A kind of high definition mobile phone imaging lens, it is characterised in that：Including lens barrel, described lens barrel is provided with aperture diaphragm, institute
In the lens barrel stated the first lens, the second lens, the 3rd lens and optical filter are sequentially provided with from aperture diaphragm to image side, described the
One lens are the biconvex lens of positive focal length, and the second described lens are negative lens, and the thing side of the second described lens is
Concave surface, the image side surfaces of second lens are convex surface, and the 3rd described lens are positive lens, and the thing of the 3rd described lens
Side is convex surface, and the image side surface of the 3rd lens is concave surface, the surface of the first described lens, the second lens and the 3rd lens
It is aspherical.
High definition mobile phone imaging lens as described above, it is characterised in that：Land edges of 3rd lens towards thing side
Slightly toward thing side direction warpage, and the concave outer edge towards image side sinks relative to image planes.
High definition mobile phone imaging lens as described above, it is characterised in that：Described high definition mobile phone imaging lens meet following
Expression formula：L/2Y ＜ 0.88, wherein, L be along optical axis direction, the thing side of the first lens and the intersection point of optical axis to image planes away from
From 2Y is the cornerwise length of image planes, and image planes are that length-width ratio is 4:3 rectangular planes.
High definition mobile phone imaging lens as described above, it is characterised in that：Described high definition mobile phone imaging lens meet following
Expression formula：1.25 ＜ F12/ F ＜ 1.65, wherein, F be high definition mobile phone imaging lens total focal length, F12For the first lens and second
The combined focal length of lens.
High definition mobile phone imaging lens as described above, it is characterised in that：Described high definition mobile phone imaging lens meet following
Expression formula：3.17 ＜ F3/ F ＜ 3.57, wherein, F be high definition mobile phone imaging lens total focal length, F3For the focal length of the 3rd lens.
High definition mobile phone imaging lens as described above, it is characterised in that：Described high definition mobile phone imaging lens meet following
Expression formula：- 1.0 ＜ (R1+R2)/(R1-R2) ＜ 0.1, wherein, R1For the radius of curvature of the thing side of the first lens, R2For first
The radius of curvature of the image side surface of lens.
High definition mobile phone imaging lens as described above, it is characterised in that：Described high definition mobile phone imaging lens meet following
Expression formula：- 3.2 ＜ (R3+R4)/(R3-R4) ＜ -2.2, wherein, R3For the radius of curvature of the thing side of the second lens, R4For second
The radius of curvature of the image side surface of lens.
High definition mobile phone imaging lens as described above, it is characterised in that：Described high definition mobile phone imaging lens meet following
Expression formula：- 487 ＜ (R5+R6)/(R5-R6) ＜ -486, wherein, R5For the radius of curvature of the thing side of the 3rd lens, R6For the 3rd
The radius of curvature of the image side surface of lens.
High definition mobile phone imaging lens as described above, it is characterised in that：Described the first lens, the second lens and the 3rd are saturating
Mirror is plastic lens, between described the first lens and the second lens, between the second lens and the 3rd lens, the 3rd lens with
Light-shielding sheet is respectively equipped between optical filter.
Compared with prior art, the utility model has the following advantages：
1st, the first lens are positive lens in the utility model, are effectively reduced while opticator focal power is provided
Optical system overall length；Second lens are negative lens, correct the aberration such as aberration, the curvature of field, distortion caused by the first lens；3rd lens
For positive lens, changed by aspherical face type, while correcting dispersion, distortion, the curvature of field caused by the first lens and the second lens,
Compensate focal power.First lens, the 3rd lens are positive lens, can reduce the overall length of optical system, it is light and thin to reach camera lens
Purpose；Second lens are falcate concavees lens, while divergent rays, aberration correction, increase rear Jiao of optical system, so as to
Meet the focusing demand of production technology；3rd lens are convex surface towards the surface of thing side, while marginal surface is slightly toward thing side direction
Warpage, the purpose of aberration correction while reaching the light for receiving the diverging of the second lens；3rd lens are towards the surface of image side
Concave surface, while marginal surface sinks relative to image planes projection, most edge surface relative to image planes, adjusts edge chief ray incidence angles
While it is matched with chip, system higher order aberratons are corrected.In addition, aperture diaphragm is arranged between the first lens and object, can
Make optical system light path compacter, so as to shorten optical system overall length.By the first lens, the second lens, the 3rd lens and
The combination of aperture diaphragm so that high definition mobile phone imaging lens overall length can foreshorten to 3.2mm, and resolution ratio is up to 2903.04 μm of *
2177.28 μm, so as to realize high definition, ultra-thin characteristic.
2nd, the utility model uses 4 aspherical plastic lens, while reducing material cost, mitigates camera lens weight, from
And realize the lighter purpose of mobile phone.
3rd, camera lens of the present utility model, image illumination uniformity are high.
【Brief description of the drawings】
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the utility model structure sectional view；
Fig. 2 is ray trajectory figure of the present utility model；
Fig. 3 is the transfer curve figure of the present invention；
Fig. 4 is the distortion curve figure of the present invention；
Fig. 5 is the curvature of field curve map of the present invention；
Fig. 6 is the horizontal color curve of the present invention.
【Embodiment】
The utility model is further described below in conjunction with the accompanying drawings：
The thing side of involved lens refers to lens towards the surface of thing side herein, and image side surface refers to lens towards image side
Surface.
A kind of high definition mobile phone imaging lens as shown in Figures 1 to 6, including lens barrel 100, described lens barrel 100 are provided with
Aperture diaphragm 200, the first lens 1, the second lens 2, the are sequentially provided with from aperture diaphragm 200 to image side in described lens barrel 100
Three lens 3 and optical filter 300, the first described lens 1 are the biconvex lens of positive focal length, and the second described lens 2 are negative lens,
And the thing side S4 of the second described lens 2 is concave surface, the image side surface S5 of the second described lens 2 is convex surface, described
Three lens 3 are positive lens, and the thing side S6 of the 3rd described lens 3 is convex surface, and the image side surface S7 of the 3rd lens 3 is
Concave surface, the surface of the first described lens 1, the second lens 2 and the 3rd lens 3 is aspherical.First lens 1 are positive lens,
Optical system overall length is effectively reduced while opticator focal power is provided；Second lens 2 are negative lens, correction first
The aberration such as aberration, the curvature of field, distortion caused by lens 1；3rd lens 3 are positive lens, are changed by aspherical face type, correction first
Caused by the lens 2 of lens 1 and second while dispersion, distortion, the curvature of field, focal power is compensated.First lens 1, the 3rd lens 3 are
It positive lens, can reduce the overall length of optical system, reach the gossamery purpose of camera lens；Second lens 2 are falcate concavees lens, hair
While astigmatism line, aberration correction, increase rear Jiao of optical system, so as to meet the focusing demand of production technology；3rd lens 3
Surface towards thing side is convex surface, while marginal surface reaches the light for receiving the diverging of the second lens 2 slightly toward thing side direction warpage
While aberration correction purpose；3rd lens 3 are concave surface towards the surface of image side, while marginal surface is convex relative to image planes
Rise, most edge surface sinks relative to image planes, while adjustment edge chief ray incidence angles make it match with chip, correction system
Higher order aberratons.In addition, aperture diaphragm 200 is arranged between the first lens 1 and object, optical system light path can be made compacter, from
And shorten optical system overall length.
Described high definition mobile phone imaging lens meet following formula：L/2Y ＜ 0.88, wherein, L is along optical axis direction the
The thing side S2 of one lens 1 and the intersection point of optical axis are to the distance of image planes 400, and 2Y is 400 cornerwise length of image planes, image planes 400
It is that length-width ratio is 4:3 rectangular planes.When meeting L/2Y 0.88 relations of ＜, optical system overall length can reduce, so as to subtract
Tiny lens size, weight, reach purpose that is compact-sized, reducing space-consuming.
High definition mobile phone imaging lens as described above, it is characterised in that：Described high definition mobile phone imaging lens meet following
Expression formula：1.25 ＜ F12/ F ＜ 1.65, wherein, F be high definition mobile phone imaging lens total focal length, F12For the first lens 1 and second
The combined focal length of lens 2.When meeting F12During/F 1.65 relations of ＜, it is ensured that the combined focal length of the first lens 1 and the second lens 2
Will not be excessive, and can be with spherical aberration corrector, the high-order curvature of field, so that the imaging performance of optical system is more preferably；As 1.25 ＜ F of satisfaction12/
During F relations, it is ensured that the combined focal length F of the first lens 1 and the second lens 212For just, so as to obtain the shorter light of overall length
System.
High definition mobile phone imaging lens as described above, it is characterised in that：Described high definition mobile phone imaging lens meet following
Expression formula：3.17 ＜ F3/ F ＜ 3.57, wherein, F be high definition mobile phone imaging lens total focal length, F3For the focal length of the 3rd lens 3.
When meeting above-mentioned relation, the 3rd lens 3 can share the positive light coke of optical system, reduce the susceptibility of the first lens 1, carry
High producing feasibility；The aberrations such as the high-order curvature of field, high order astigmatism, low order astigmatism are corrected simultaneously, improve optical system resolution ratio.
Described high definition mobile phone imaging lens meet following formula：- 1.0 ＜ (R1+R2)/(R1-R2) ＜ 0.1, wherein, R1
For the thing side S2 of the first lens 1 radius of curvature, R2For the image side surface S3 of the first lens 1 radius of curvature.As satisfaction (R1+
R2)/(R1-R2) 0.1 relations of ＜ when, the positive light coke of the first lens 1 is not too large, can limit the curvature of field, coma；When satisfaction -1.0
＜ (R1+R2)/(R1-R2) relation when, can optimize the lens of aperture diaphragm 200 and first 1 surpass thing side side marginal surface away from
From shortening the total poor of optical system, reach the purpose of reduction system space-consuming.
Described high definition mobile phone imaging lens meet following formula：- 3.2 ＜ (R3+R4)/(R3-R4) ＜ -2.2, wherein,
R3For the thing side S4 of the second lens 2 radius of curvature, R4For the image side surface S5 of the second lens 2 radius of curvature.When satisfaction -3.2
＜ (R3+R4)/(R3-R4) relation when, the second lens 2 towards the side surface of image side one focal power improve, astigmatism, the curvature of field can be corrected
Deng aberration；As satisfaction (R3+R4)/(R3-R4) ＜ -2.2 relations when, be convex surface so as to dissipating ensureing the second face relative to image planes
Light, while reach the image height of demand, correction high order astigmatism, the high-order curvature of field.
Described high definition mobile phone imaging lens meet following formula：- 487 ＜ (R5+R6)/(R5-R6) ＜ -486, wherein,
R5For the thing side S6 of the 3rd lens 3 radius of curvature, R6For the image side surface S7 of the 3rd lens 3 radius of curvature.As satisfaction (R5+
R6)/(R5-R6) ＜ -486 relations when, can control spherical aberration, coma and reduce optical system overall length；As -487 ＜ (R of satisfaction5+R6)/
(R5-R6) relation when, the aberration such as equally controllable optical system spherical aberration, coma, and compensation system focal power.
Described the first lens 1, the second lens 2 and the 3rd lens 3 are plastic lens, the first described lens 1 and
Light-shielding sheet 4 is respectively equipped between two lens 2, between the second lens 2 and the 3rd lens 3, between the 3rd lens and optical filter.It is above-mentioned
Lens are aspherical plastic lens, can effectively control aberration using aspherical shape, while reduce optical system overall length；Use modeling
Glue lens, camera lens weight can be mitigated while optical system cost is reduced.
The utility model is that a size is small, imaging lens of light weight, while the camera lens meets 73.5 ° of the angle of visual field,
Overall length only 3.2mm, pixel reach high definition 5,000,000.It can be mounted on CCD or cmos sensor.In nowadays smart mobile phone gentlier, more
Thin, under the wider array of market demand of self-timer angle, such camera lens will have larger demand.
Here is a kind of parameter designing case of high definition mobile phone imaging lens of the utility model：
The structural parameters table of the high definition mobile phone imaging lens of table 1
| Number in face | Surface type | Radius/(mm) | Thickness/(mm) | Material | Half bore/(mm) |
| Object plane | Sphere | ∞ | ∞ | 0 | |
| Diaphragm face | Sphere | ∞ | -0.0650 | 0.5283 | |
| S2 | It is aspherical | 1.3828 | 0.5804 | 1.544:56.2 | 0.5298 |
| S3 | It is aspherical | -2.9287 | 0.2932 | 0.5222 | |
| S4 | It is aspherical | -0.9294 | 0.4130 | 1.642:22.4 | 0.5329 |
| S5 | It is aspherical | -2.0135 | 0.2810 | 0.6971 | |
| S6 | It is aspherical | 0.8982 | 0.5124 | 1.544:56.2 | 1.0932 |
| S7 | It is aspherical | 0.9019 | 0.2300 | 1.4270 | |
| S8 | Sphere | ∞ | 0.6100 | 1.517:64.2 | 1.5180 |
| S9 | Sphere | ∞ | 0.2600 | 1.6936 | |
| Image planes | Sphere | ∞ | 0 | 1.815 |
Table 1
Each aspherical rise sag and radius R of the lens 1 of table 2 first ratio range
Table 2
Each aspherical rise sag and radius R of the lens 2 of table 3 second ratio range
Table 3
Each aspherical ratio range for losing high sag and radius R of the lens 3 of table 4 the 3rd
Table 4
Claims (9)
- A kind of 1. high definition mobile phone imaging lens, it is characterised in that：Including lens barrel (100), described lens barrel (100) is provided with aperture Diaphragm (200), described lens barrel (100) is interior to be sequentially provided with the first lens (1), the second lens from aperture diaphragm (200) to image side (2), the 3rd lens (3) and optical filter (300), described the first lens (1) are the biconvex lens of positive focal length, and described second is saturating Mirror (2) is negative lens, and the thing side (S4) of described the second lens (2) is concave surface, the image side surface of second lens (2) (S5) it is convex surface, the 3rd described lens (3) are positive lens, and the thing side (S6) of the 3rd described lens (3) is convex surface, The image side surface (S7) of the 3rd described lens (3) is concave surface, described the first lens (1), the second lens (2) and the 3rd lens (3) surface is aspherical.
- A kind of 2. high definition mobile phone imaging lens according to claim 1, it is characterised in that：The court of 3rd lens (3) To thing side land edges slightly toward thing side direction warpage, and the concave outer edge towards image side sinks relative to image planes.
- A kind of 3. high definition mobile phone imaging lens according to claim 1, it is characterised in that：Described high definition mobile phone imaging lens Head meets following formula：L/2Y ＜ 0.88, wherein, L is along optical axis direction, the thing side (S2) of the first lens (1) and optical axis Intersection point to the distance of image planes (400), 2Y is image planes (400) cornerwise length, and image planes (400) are that length-width ratio is 4:3 length Square planar.
- A kind of 4. high definition mobile phone imaging lens according to claim 1, it is characterised in that：Described high definition mobile phone imaging lens Head meets following formula：1.25 ＜ F12/ F ＜ 1.65, wherein, F be high definition mobile phone imaging lens total focal length, F12For first The combined focal length of lens (1) and the second lens (2).
- A kind of 5. high definition mobile phone imaging lens according to claim 1, it is characterised in that：Described high definition mobile phone imaging lens Head meets following formula：3.17 ＜ F3/ F ＜ 3.57, wherein, F be high definition mobile phone imaging lens total focal length, F3It is saturating for the 3rd The focal length of mirror (3).
- A kind of 6. high definition mobile phone imaging lens according to claim 1, it is characterised in that：Described high definition mobile phone imaging lens Head meets following formula：- 1.0 ＜ (R1+R2)/(R1-R2) ＜ 0.1, wherein, R1For the thing side (S2) of the first lens (1) Radius of curvature, R2For the radius of curvature of the image side surface (S3) of the first lens (1).
- A kind of 7. high definition mobile phone imaging lens according to claim 1, it is characterised in that：Described high definition mobile phone imaging lens Head meets following formula：- 3.2 ＜ (R3+R4)/(R3-R4) ＜ -2.2, wherein, R3For the thing side (S4) of the second lens (2) Radius of curvature, R4For the radius of curvature of the image side surface (S5) of the second lens (2).
- A kind of 8. high definition mobile phone imaging lens according to claim 1, it is characterised in that：Described high definition mobile phone imaging lens Head meets following formula：- 487 ＜ (R5+R6)/(R5-R6) ＜ -486, wherein, R5For the thing side (S6) of the 3rd lens (3) Radius of curvature, R6For the radius of curvature of the image side surface (S7) of the 3rd lens (3).
- A kind of 9. high definition mobile phone imaging lens according to claim 1, it is characterised in that：Described the first lens (1), Two lens (2) and the 3rd lens (3) are plastic lens, between described the first lens (1) and the second lens (2), second saturating Light-shielding sheet (4) is respectively equipped between mirror (2) and the 3rd lens (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720795193.3U CN206906678U (en) | 2017-06-30 | 2017-06-30 | A kind of high definition mobile phone imaging lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720795193.3U CN206906678U (en) | 2017-06-30 | 2017-06-30 | A kind of high definition mobile phone imaging lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206906678U true CN206906678U (en) | 2018-01-19 |
Family
ID=61292061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720795193.3U Active CN206906678U (en) | 2017-06-30 | 2017-06-30 | A kind of high definition mobile phone imaging lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206906678U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110989142A (en) * | 2019-12-30 | 2020-04-10 | 中国科学院长春光学精密机械与物理研究所 | Preposed common-caliber dual-waveband achromatic lens of Fourier transform imaging spectrometer |
| CN112230381A (en) * | 2020-10-31 | 2021-01-15 | 诚瑞光学(苏州)有限公司 | Image pickup optical lens |
| CN114002810A (en) * | 2021-10-29 | 2022-02-01 | 湖北华鑫光电有限公司 | 3P small-outer-diameter lens |
-
2017
- 2017-06-30 CN CN201720795193.3U patent/CN206906678U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110989142A (en) * | 2019-12-30 | 2020-04-10 | 中国科学院长春光学精密机械与物理研究所 | Preposed common-caliber dual-waveband achromatic lens of Fourier transform imaging spectrometer |
| CN110989142B (en) * | 2019-12-30 | 2021-07-06 | 中国科学院长春光学精密机械与物理研究所 | Preposed common-caliber dual-waveband achromatic lens of Fourier transform imaging spectrometer |
| CN112230381A (en) * | 2020-10-31 | 2021-01-15 | 诚瑞光学(苏州)有限公司 | Image pickup optical lens |
| CN112230381B (en) * | 2020-10-31 | 2022-01-07 | 诚瑞光学(苏州)有限公司 | Image pickup optical lens |
| CN114002810A (en) * | 2021-10-29 | 2022-02-01 | 湖北华鑫光电有限公司 | 3P small-outer-diameter lens |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101595220B1 (en) | Photographing lens system for developing a close tolerance | |
| US20180314039A1 (en) | Wide angle lens | |
| KR101412627B1 (en) | Photographing wide angle lens system corrected distortion | |
| WO2021031585A1 (en) | Optical imaging lens and imaging device | |
| KR101535086B1 (en) | Photographing wide angle lens system corrected distortion | |
| KR101690481B1 (en) | High-resolution photographing wide angle lens system | |
| WO2018177416A1 (en) | Optical lens combination and imaging device | |
| CN206906678U (en) | A kind of high definition mobile phone imaging lens | |
| WO2017161661A1 (en) | Telephoto lens | |
| CN105093499B (en) | A kind of imaging lens group | |
| CN104459948B (en) | High-image-quality wide-angle optical lens | |
| WO2020221137A1 (en) | Ultra wide-angle lens | |
| WO2020238577A1 (en) | Combined zoom dual-camera lens | |
| KR101412626B1 (en) | Photographing lens system for developing a close tolerance | |
| CN103926674B (en) | miniaturized lens | |
| CN107422463A (en) | A kind of focal length ultra high-definition day and night confocal optical system | |
| CN207164347U (en) | A kind of large aperture ultra high-definition day and night confocal optical system | |
| CN207336904U (en) | A kind of focal length ultra high-definition day and night confocal optical system | |
| CN101846792B (en) | High-pixel wide-angle camera | |
| CN206671663U (en) | A kind of ultra-wide angle day and night confocal opticses camera lens | |
| TW201539030A (en) | Six-piece wide-angle lens module | |
| TWM484108U (en) | Six-piece wide-angle lens module | |
| CN106094183B (en) | Focusing-style optical imaging system in a kind of high image quality | |
| CN111273427A (en) | High-pixel four-piece type ultra-wide-angle lens | |
| TW201425998A (en) | Miniaturized lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |