CN105425367B - Portable electronic devices and its optical imaging lens - Google Patents
Portable electronic devices and its optical imaging lens Download PDFInfo
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- CN105425367B CN105425367B CN201510393417.3A CN201510393417A CN105425367B CN 105425367 B CN105425367 B CN 105425367B CN 201510393417 A CN201510393417 A CN 201510393417A CN 105425367 B CN105425367 B CN 105425367B
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Abstract
The present invention relates to portable electronic devices and its optical imaging lens, optical imaging lens include four lens, and aperture is placed in before first lens, wherein：The image side surface of first lens is convex in circumference near zone；The thing side of second lens is recessed in circumference near zone；The thing side of 4th lens is convex in optical axis near zone, and its image side surface is recessed in circumference near zone；And wherein, the optical imaging lens meet following relationship：|v1‑v4|≦20；TTL/T4≦10；ALT/T1≦3.5；ALT/AAG≦3.5；And 1.5≤T2/AC12≤2.1；Portable electronic devices include a casing；And an image module, it is installed in the casing, including：Optical imaging lens described in one；One lens barrel, a module rear seat unit；And an image sensor, positioned at the image side of the optical imaging lens.The present invention maintains enough optical properties.
Description
Technical field
The present invention is related with its optical imaging lens to a kind of portable electronic devices, and especially with application at least
The portable electronic devices of three lens are related to its optical imaging lens.
Background technology
In recent years, the popularization of mobile phone and digital camera to pass comprising optical imaging lens, module rear seat unit and image
The image module of sensor etc. flourishes, and slim light and handyization of mobile phone and digital camera also allows the miniature requirement of image module to be cured
Come higher, with photosensitive coupling component (Charge Coupled Device, abbreviation CCD) or Complimentary Metal-Oxide semiconductor
The technological progress of component (Complementary Metal-Oxide Semiconductor, abbreviation CMOS) and size reduction, dress
The optical imaging lens being worn in image module be also required to reduce volume, but optical imaging lens favorable optical performance be also must
Take part into account.
The light wave that wavelength is longer than 700nm can not be directly perceived by the human eye, thus with anti-interference, inexpensive, low power consumption and
The characteristic being not noticeable by the human eye, therefore often apply on the devices such as remote control, infrared sensing system.In recent years, it is interactive
Electronic installation is also developed to be detectd by infrared ray (infrared, IR) or near infrared ray (near infrared, NIR) detector
The action for surveying user comes interactive with user, therefore needs near infrared light optical lens system to be developed badly.
However, no matter light source why, the technical difficulty of miniaturization camera lens is substantially higher by conventional lenses, therefore how to produce
Meet the optical lens of consumption electronic products demand, and continue lifted its image quality, for a long time always this area production,
The target that official, educational circles are earnestly pursued.
The content of the invention
One of present invention purpose ties up to a kind of optical lens system of offer, and it may include at least three optical lenses, passes through
Control the concave-convex curved surface of each lens to arrange, and relevant parameter is controlled with several relational expressions, maintain enough optical properties.
According to the present invention there is provided a kind of optical imaging lens, at least three are sequentially included from thing side to image side along an optical axis saturating
Mirror, such as：Including one first lens, one second lens and one the 3rd lens, and it is optionally included with one the 4th lens, Mei Yitou
Mirror all has a refractive index, and towards thing side and makes thing side that imaging light passes through with one and one towards image side and make imaging
The image side surface that light passes through.
For the ease of representing the parameter of present invention meaning, defined in this specification and diagram：TA represents aperture to past picture
Distance (negative sign represent the range direction towards thing side) of next adjacent lens thing side on optical axis of side, T1 represent first
Thickness, AC12 of the lens on optical axis represent air gap width between the first lens and the second lens on optical axis, T2 generations
The air gap that thickness, AC23 of the lens of table second on optical axis are represented between the second lens and the 3rd lens on optical axis is wide
Degree, T3 represent thickness, AC34 of the 3rd lens on optical axis and represent air between the 3rd lens and the 4th lens on optical axis
Gap width, T4 represent the picture that thickness, AC3F of the 4th lens on optical axis represent the 3rd lens as last piece lens
Side to distance of the thing side on optical axis of infrared filter, AC4F represent as last piece lens the 4th lens it
Image side surface to distance of the thing side on optical axis of infrared filter, TF represent thickness of the infrared filter on optical axis,
ACFP represents distance, EFL or f of the infrared filter image side surface to imaging surface on optical axis and all represents having for optical imaging lens
Effect focal length, TTL represent the thing sides of the first lens and represent the first lens to last to distance of the imaging surface on optical axis, ALT
All lens thickness summations of a piece of lens on optical axis are (such as：T1, T2, T3 and/or T1, T2, T3, T4 sum), AAG represent
First lens to all air gap width summations between last a piece of lens on optical axis (such as：G12, G23 and/or G12,
G23, G34 sum), BFL represent the back focal length of optical imaging lens, i.e., the image side surfaces of last a piece of lens is to imaging surface in optical axis
On distance (such as：AC3F, TF, ACFP and/or AC4F, TF, ACFP sum), v1 represents the Abbe number of the first lens, v2 and represented
Abbe number, the v4 that Abbe number, the v3 of second lens represent the 3rd lens represent the Abbe numbers of the 4th lens.
According to optical imaging lens provided by the present invention, the image side surfaces of the first lens be in circumference near zone it is convex, the
The thing side of two lens is in circumference near zone to be recessed, and the thing sides of the 4th lens is convex, and its image side in optical axis near zone
Face is recessed in circumference near zone, and optical imaging lens simultaneously meet following relationship：
| v1-v4 |≤20 relational expressions (1)；
The relational expression (2) of TTL/T4≤10；
The relational expression (3) of ALT/T1≤3.5；
The relational expression (4) of ALT/AAG≤3.5；And
The relational expression (5) of 1.5≤T2/AC12≤2.1.
The present invention optionally controls aforementioned parameters, additionally meets following relationship：
The relational expression (6) of ALT/BFL≤1.751；
The relational expression (7) of T1/T2≤2.244；
2.237≤BFL/T4 relational expressions (8)；
ALT/ (the relational expressions (9) of T1+T4)≤1.9；
The relational expression (10) of ALT/T2≤6.3；
0.7≤AAG/T1 relational expressions (11)；
2.5≤AAG/AC12 relational expressions (12)；
The relational expression (13) of TTL/T1≤7；
The relational expression (14) of TTL≤6；
The relational expression (15) of Fno≤2.8；
3≤HFOV relational expressions (16)；
| v1-v2 |≤15 relational expressions (17)；
The relational expression (18) of TTL/T2≤12；And/or
The relational expression (19) of T4/AC12≤5.
Above Fno represents the F-number (f number) of the optical imaging lens, and HFOV represents the optical imaging lens
Half angle of view (half field of view).
Foregoing listed exemplary qualified relation formula, also can optionally merge unequal number amount and be applied to the present invention's
In embodiment, however it is not limited to this., also can be for single lens or extensive in addition to foregoing relationships when implementing the present invention
Property for multiple lens additional designs go out other more lens concave-convex curved surface arrangement etc. thin portion structure, to strengthen to system
The control of performance and/or resolution ratio.For example, the image side surface of the second lens can be designed as in circumference near zone convex
Deng.It is noted that this little details need to optionally merge other implementations for being applied to the present invention under the situation of Lothrus apterus
Among example.
The present invention can be according to foregoing various optical imaging lens there is provided a kind of portable electronic devices, and it includes a machine
Shell and an image module, image module are installed in casing.Image module includes any optical imaging lens according to the present invention
Head, a lens barrel, a module rear seat unit and an image sensor.Lens barrel is to supply setting optical imaging lens, module back seat list
Member is to supply setting lens barrel, and image sensor is located at the image side of optical imaging lens.
It is known that the portable electronic devices of the present invention and its optical imaging lens, each through controlling in above-mentioned
The concave-convex curved surface arrangement of mirror, and relevant parameter is controlled with several relational expressions, good optical property can be maintained, and simultaneously effective
Shorten the length of camera lens.
Brief description of the drawings
Cross-sectional view of Fig. 1 displays according to one of one of present invention embodiment lens；
Fig. 2A displays are shown according to the cross-section structure of the three-chip type lens of the optical imaging lens of the first embodiment of the present invention
It is intended to；
Sagitta of arc direction and the picture of meridian direction of Fig. 2 B displays according to the optical imaging lens of the first embodiment of the present invention
Dissipate aberration diagram schematic diagram；
Fig. 2 C displays are intended to according to the distortion aberration diagram of the optical imaging lens of the first embodiment of the present invention；
Fig. 3 A displays are shown according to the cross-section structure of the quadruple lenses of the optical imaging lens of the 3rd embodiment of the present invention
It is intended to；
Sagitta of arc direction and the picture of meridian direction of Fig. 3 B displays according to the optical imaging lens of the 3rd embodiment of the present invention
Dissipate aberration diagram schematic diagram；
Fig. 3 C displays are intended to according to the distortion aberration diagram of the optical imaging lens of the 3rd embodiment of the present invention；
Cross-section structure signal of Fig. 4 displays according to the quadruple lenses of the optical imaging lens of the fourth embodiment of the present invention
Figure；
Cross-section structure signal of Fig. 5 displays according to the quadruple lenses of the optical imaging lens of the 5th embodiment of the present invention
Figure；
Fig. 6 A displays are shown according to the cross-section structure of the quadruple lenses of the optical imaging lens of the sixth embodiment of the present invention
It is intended to；
Lateral light fan figure of Fig. 6 B displays according to the optical imaging lens of the sixth embodiment of the present invention.
Fig. 7 A displays are shown according to the cross-section structure of the quadruple lenses of the optical imaging lens of the 7th embodiment of the present invention
It is intended to；
Lateral light fan figure of Fig. 7 B displays according to the optical imaging lens of the 7th embodiment of the present invention；
Fig. 8 A displays are shown according to the cross-section structure of the quadruple lenses of the optical imaging lens of the 8th embodiment of the present invention
It is intended to；
Lateral light fan figure of Fig. 8 B displays according to the optical imaging lens of the 8th embodiment of the present invention；
Optical delivery modulus curve map of Fig. 8 C displays according to the optical imaging lens of the 8th embodiment of the present invention；
Fig. 9 A displays are shown according to the cross-section structure of the quadruple lenses of the optical imaging lens of the 9th embodiment of the present invention
It is intended to；
Lateral light fan figure of Fig. 9 B displays according to the optical imaging lens of the 9th embodiment of the present invention；
The optical delivery modulus of the optical imaging lens of the 9th embodiment of Fig. 9 C display foundation present invention is in visual field
Change curve；
Figure 10 A displays are shown according to the cross-section structure of the quadruple lenses of the optical imaging lens of the tenth embodiment of the present invention
It is intended to；
Lateral light fan figure of Figure 10 B displays according to the optical imaging lens of the tenth embodiment of the present invention；
The optical delivery modulus of the optical imaging lens of the tenth embodiment of Figure 10 C display foundation present invention is in visual field
Change curve；
Cross-section structure of Figure 11 A displays according to the quadruple lenses of the optical imaging lens of the 11st embodiment of the present invention
Schematic diagram；
Lateral light fan figure of Figure 11 B displays according to the optical imaging lens of the 11st embodiment of the present invention；
The optical delivery modulus of the optical imaging lens of the 11st embodiment of Figure 11 C display foundation present invention is in visual field
Change curve；
Cross-section structure of Figure 12 A displays according to the quadruple lenses of the optical imaging lens of the 12nd embodiment of the present invention
Schematic diagram；
Sagitta of arc direction and meridian direction of Figure 12 B displays according to the optical imaging lens of the 12nd embodiment of the present invention
Astigmatic image error diagram is intended to；
Figure 12 C displays are intended to according to the distortion aberration diagram of the optical imaging lens of the 12nd embodiment of the present invention；
Cross-section structure of Figure 13 A displays according to the quadruple lenses of the optical imaging lens of the 13rd embodiment of the present invention
Schematic diagram；
Sagitta of arc direction and meridian direction of Figure 13 B displays according to the optical imaging lens of the 13rd embodiment of the present invention
Astigmatic image error diagram is intended to；
Figure 13 C displays are intended to according to the distortion aberration diagram of the optical imaging lens of the 13rd embodiment of the present invention；
Figure 14 displays are according to one of one of the present invention portable electronic devices of embodiment structural representation；And
Figure 15 displays are according to one of the portable electronic devices of another embodiment of present invention structural representation；
TV distortion aberration of Figure 16 A displays according to the portable electronic devices of another embodiment of the present invention；
Figure 16 B show that distortion aberration influences the rough schematic of image quality.
[symbol description]
1,2,3,4,5,6,7,8,9,10,11,12 optical imaging lens
400,500 portable electronic devices
401,501 casings
402,502 lens barrels
404,504 module rear seat units
AS apertures
The lens of L1, L11, L21, L31, L41, L51, L61 first
The lens of L2, L12, L22, L32, L42, L52, L62 second
The lens of L3, L13, L23, L33, L43, L53, L63 the 3rd
The lens of L4, L14, L24, L34, L44, L54, L64 the 4th
R1, R3, R5, R7 thing side
R2, R4, R6, R8 image side surface
406,506 openings
408,508 lens sets
422,522 image sensors
420,520 substrates
505 depressed parts
512 light sources
514 protection caps
F, 410,510 optical filtering parts
IP imaging surfaces
A1 things side
A2 image sides
I optical axises
I-I' axis
A, B, C, E region
Embodiment
To further illustrate each embodiment, the present invention is to be provided with schema.This little schema be for the invention discloses content it
A part, it is mainly to illustrate embodiment, and can coordinate the associated description of specification to explain the operation principles of embodiment.
Coordinate refer to these contents, one skilled in the art will be understood that other possible embodiments and the present invention it is excellent
Point.Component in figure is not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.
This specification says its " lens have positive refractive index (or negative refractive index) ", refers to that the lens are located at optical axis
Near zone has for positive refractive index (or negative refractive index)." the thing side (or image side surface) of a lens includes being located at certain region
Convex surface part (or concave part) ", refer to the region compared to radially close to the exterior lateral area in the region, towards parallel to optical axis
For direction more " outwardly convex " (or " caving inward ").By taking Fig. 1 as an example, wherein I is optical axis and this lens is with the light
Axle I is that symmetry axis is radially symmetrical, and the things of lens side in a-quadrant there is convex surface part, B regions to have a concave part and C
Region has a convex surface part, and reason is a-quadrant compared to radially close to the exterior lateral area (i.e. B regions) in the region, towards parallel
In the direction of optical axis more outwardly convex, B regions then more cave inward compared to C regions, and C regions are compared to E regions
Similarly more outwardly convex." be located at circumference near zone ", refer to be located on lens only for imaging light by curved surface it
Positioned at circumference near zone, that is, the C regions in figure, wherein, imaging light includes chief ray (chief ray) Lc and edge
Light (marginal ray) Lm." be located at optical axis near zone " refer to this only for imaging light by curved surface optical axis near
A-quadrant in region, that is, figure.In addition, the lens also include an extension E, an optical imagery is loaded on for the lens group
In camera lens, preferably imaging light can't be by extension E, but extension E structure is not limited to this with shape, with
Lower embodiment is the extension for asking schema succinctly to eliminate part.
The optical imaging lens of the present invention, are a tight shot, and are by sequentially being set from thing side to image side along an optical axis
One of put aperture, one first lens, one second lens, one the 3rd lens and/or one the 4th lens to be constituted, each lens all have
There is refractive index and towards thing side and make thing side that imaging light passes through with one and one towards image side and pass through imaging light
Image side surface.The present invention can provide shorter optical imaging lens length and good through designing the detail characteristic of each lens
Optical property.
First lens of optical imaging lens, the second lens, the 3rd lens and/or material used in the 4th lens can make
The light wave of specific band passes through, such as：It may be such that wavelength about 850nm or more than 900nm light wave passes through.For example, first is saturating
Mirror, the second lens, the 3rd lens and/or the 4th lens can be by having height to visible ray of the wavelength between 400nm and 700nm
Absorptivity and wavelength is longer than 850nm or 900nm near infrared light have high penetration rate material constitute, preferably by being situated between to wavelength
Visible ray between 400nm and 700nm, which has high-absorbility and is longer than wavelength 940nm near infrared light, the material of high penetration rate
Texture is into being currently known material such as：F52R, Ultem 1010, Ultem XH6050, Extem XH1005 or Extem UH1006
It all can be used Deng plastics as lens body, so the present invention is not limited thereto, at least one layer or more can be plated on lens body and is resisted
Reflecting layer so that wavelength about 850nm or more than 900nm light wave passes through, and have good to 400nm to 700nm visible ray
Absorptivity, and it is preferable that its light Penetration ration peak value is fallen in about 940nm wavelength；It is the first lens L1, second saturating in another example
Mirror L2 and the 3rd lens L3 can be such that below wavelength 900nm light wave does not pass through, and the first lens L1, the second lens L2 and the 3rd are saturating
Mirror L3 can have about 1.53 refractive index, and its Abbe number is about 55.6, or with about 1.63 refractive index, and its Abbe number
About 23.35, but the present invention is not limited thereto.When all lens in optical imaging lens are all made using identical material
When, it is possible to decrease manufacturing cost simultaneously simplifies fabrication schedule.
The characteristic of the foregoing each eyeglass designed herein is mainly the optical characteristics and lens length for considering optical imaging lens,
For example：In order to shorten lens length, lens thickness and/or air gap width are can control in certain limit, but to control
Make all lens thickness summations and maintain good optical characteristic to be difficult simultaneously, therefore design aperture is arranged on first herein
Lens, be incorporated on the first lens image side surface circumference near zone for it is convex, on the second lens thing side near circumference area
Domain is recessed feature, can eliminate the curvature of field and distortion aberration；Combine to form on the 4th lens thing side in optical axis near zone
It is recessed feature for convex and circumference near zone, can effectively corrects aberration, camera lens can be shortened by this little feature is arranged in pairs or groups each other
Length simultaneously ensures image quality simultaneously.
Secondly, through the numerical value for controlling each parameter, designer can be assisted to design and possess favorable optical performance, entire length
Effectively shorten and technically feasible optical imaging lens, the control range of this little parameter refer to following table：
In view of the unpredictability of Optical System Design, under the framework of the present invention, when meeting above-mentioned relational expression,
Can be it is preferable that the lens length of the present invention shortens, can increase (i.e. f-number reduces), angle of visual field increase, image quality with aperture
Lifting assembles Yield lmproved and improves the shortcoming of prior art.
When implementing the present invention, in addition to above-mentioned relation formula, it can be also directed to for single lens or popularity multiple
Lens additional designs go out the thin portion structures such as the concave-convex curved surface arrangement of other more lens, to strengthen to systematic function and/or divide
The control of resolution.For example, the image side surface of the second lens can be designed as in circumference near zone convex etc..Notably
It is that this little details need to optionally merge and be applied among the other embodiment of the present invention, not under the situation of Lothrus apterus
It is limited to this.
It is presented below in order to illustrate that the present invention can shorten lens length while good optical property is provided really
Multiple embodiments and its detailed optical data.First please also refer to Fig. 2A to Fig. 2 C, wherein Fig. 2A is shown according to this hair
The cross-sectional view of the three-chip type lens of the optical imaging lens of bright first embodiment, Fig. 2 B displays are according to the present invention's
The sagitta of arc direction of the optical imaging lens of first embodiment and the astigmatic image error diagram of meridian direction are intended to, and Fig. 2 C displays are according to this
The distortion aberration diagram of the optical imaging lens of the first embodiment of invention is intended to.
As shown in Figure 2 A, the optical imaging lens 1 of the present embodiment sequentially include an aperture from thing side A1 to image side A2
(aperture stop) AS, one first lens L1, one second lens L2 and one the 3rd lens L3, an optical axis pass through in aperture AS
Heart point.One imaging surface IP of one optical filtering part F and an image sensor is all arranged at the image side A2 of optical imaging lens 1.Optical filtering part F
Light by optical imaging lens 1 is filtered out to the wavelength of specific band, for example, filters out visible light wave range or wavelength about 700nm
Wave band below etc., can suppress the interference of other light sources, and the ripple for the infrared ray wave band that lifting human eye be can't see is longer than imaging surface
Imaging effect on IP.In the present embodiment, optical filtering part F is located between the 3rd lens L3 and imaging surface IP and filtered for visible ray
Piece (visible light filter).Although shown here as optical filtering part F be single component, but in other embodiments,
Optical filtering part can be also arranged on to elsewhere or multiple optical filtering parts are set.
In the present embodiment, design between each lens L1, L2, L3 optical filtering part F and the imaging surface IP of image sensor all
There is the air gap, such as：There is a air gap AC12, the second lens L2 and the 3rd between first lens L1 and the second lens L2
Exist between lens L3 and there is a air gap (not shown) between a air gap AC23, the 3rd lens L3 and optical filtering part F
And there is a air gap (not shown) between optical filtering part F and the imaging surface IP of image sensor, but in other embodiment
In, can also not have foregoing any of which the air gap, such as：It is corresponding each other by the surface profile design of two relative lens, and
It can fit each other, to eliminate the air gap therebetween.
In the present embodiment, the first lens L1 of optical imaging lens 1, the second lens L2 and the 3rd lens L3 can be by
F52R plastic materials are constituted, and the anti-reflecting layer near infrared ray can be plated thereon.Secondly, the first lens of optical imaging lens 1
L1, the second lens L2 and the 3rd lens L3 be all exemplarily herein using optical axis as symmetry axis, and formed thin portion structure it is as follows：The
One lens L1 has a positive refractive index, and with one towards thing side A1 thing side R1 and one towards image side A2 image side surface R2.Thing
Side R1 is a convex surface, and image side surface R2 is a convex surface, and it is convex in optical axis near zone, and is convex in circumference near zone.The
Two lens L2 have a negative refractive index, and with one towards thing side A1 thing side R3 and one towards image side A2 image side surface R4.Thing
Side R3 is a concave surface, and it is recessed in optical axis near zone, and is recessed in circumference near zone.Image side surface R4 is a convex surface, its
It is convex in optical axis near zone, and is convex in circumference near zone.3rd lens L3 has positive refractive index, and has one towards thing
Image side surface R6s of the side A1 thing side R5 and one towards image side A2.Thing side R5 is convex and attached in circumference in optical axis near zone
Near field is recessed；Image side surface R6 is recessed in optical axis near zone, and is convex in circumference near zone.
Detailed optical number of the table 1 below A displays according to each eyeglass of the optical imaging lens 1 of the first embodiment of the present invention
According to.
Table 1A
In the present embodiment, EFL is 2.5615mm, and half angle of view (half field of view, HFOV) is 36.1 degree, light
The number of turns (f number) is 2.22, and image height is 1.87mm, and BFL is 0.955mm, is existed from the first lens thing side R1 to imaging surface IP
Length on optical axis is 3.166mm, and angular magnification (angular magnification) is 1.303, and aperture AS is a diameter of
The a diameter of 3.374mm of 1.14mm, optical filtering part F.
It is first lens L1 thing side R1 and image side surface R2, the second lens L2 thing side R3 and image side surface R4, the 3rd saturating
Mirror L3 thing side R5 and image side surface R6, six aspherical altogether is defined according to following aspheric curve formula：
Y represents the vertical range of the point and optical axis on non-spherical surface；Z represents aspherical depth (aspherical upper distance
Optical axis is Y point, its tangent plane with being tangential on summit on aspherical optical axis, vertical range between the two)；R represents lens surface
Radius of curvature；K is conical surface coefficient (Conic Constant)；aiFor the i-th rank asphericity coefficient.Each aspherical parameter is detailed
Count accurately according to please also refer to table 1B.
Table 1B
Fig. 2 B illustrate the sagitta of arc direction (sign S) and meridian side that the present embodiment is showed under wavelength 940nm light wave
To the schematic diagram of the astigmatic image error of (sign T), Fig. 2 C illustrate the schematic diagram of the distortion aberration of the present embodiment.The sagitta of arc and meridian direction
Focal length variations amount of the astigmatic image error in whole field range fall in ± 0.10mm, and distortion aberration is maintained at ± 2.0%
It is interior.
Detailed optical number of the table 2A displays according to the three-chip type lens of the optical imaging lens of the second embodiment of the present invention
According in all lens of this example being made up of SP3810 polycarbonate plastics.
Table 2A
In the present embodiment, EFL is 2.5631mm, and half angle of view is 36.1 degree, and F-number is 2.19, and image height is 1.87mm,
BFL is 0.87mm, is 3.081mm from length of the first lens thing side R1 to imaging surface IP on optical axis, and angular magnification is
The a diameter of 3.375mm of 1.317, aperture AS a diameter of 1.16mm, optical filtering part F.
It is first lens L1 thing side R1 and image side surface R2, the second lens L2 thing side R3 and image side surface R4, the 3rd saturating
Mirror L3 thing side R5 and image side surface R6 etc. aspherical parameter detailed data refer to table 2B.
Table 2B
With reference to Fig. 3 A, it shows cuing open for the quadruple lenses of the optical imaging lens 2 of the 3rd embodiment according to the present invention
Face structural representation, the optical imaging lens 2 of the present embodiment sequentially include an aperture AS from thing side A1 to image side A2, one first saturating
Mirror L1, one second lens L2, one the 3rd lens L3 and one the 4th lens L4.In the present embodiment, optical filtering part F is located at the 4th lens
Between L4 and imaging surface IP and for visible filter, it is acted on refer to first embodiment with explanation, will not be repeated here.
First lens L1 of optical imaging lens 2, the second lens L2, the 3rd lens L3 and the 4th lens L4 are exemplary herein
Ground is with identical material, such as：Plastics are constituted, with reduce manufacturing cost and simplify fabrication schedule, and may be such that wavelength about 900nm with
Upper light wave passes through.
Secondly, the first lens L1, the second lens L2, the 3rd lens L3 and the 4th lens L4 of optical imaging lens 2 are herein
All be exemplarily using optical axis as symmetry axis, and formed thin portion structure it is as follows：First lens L1 has positive refractive index, its thing side
R1 is a convex surface, and its image side surface R2 is recessed in optical axis near zone, and is convex in circumference near zone.Second lens L2 has negative
Refractive index, its thing side R3 is recessed in optical axis near zone, and is recessed in circumference near zone, and its image side surface R4 is near optical axis
Region is recessed, and is recessed in circumference near zone.3rd lens L3 has positive refractive index, and its thing side R5 is in optical axis near zone
To be recessed, and it is recessed in circumference near zone, its image side surface R6 is convex in optical axis near zone, and is convex in circumference near zone.
4th lens L4 has negative refractive index, and its thing side R7 is convex in optical axis near zone, and is convex, its picture in circumference near zone
Side R8 is recessed in optical axis near zone, and is convex in circumference near zone.
Detailed optical number of the table 3 below A displays according to each eyeglass of the optical imaging lens 2 of the 3rd embodiment of the present invention
According to.
Table 3A
In the present embodiment, EFL is 2.4818mm, and half angle of view is 37.08 degree, and F-number is 2.199, and image height is
1.876mm, BFL are 1.025mm, are 3.075mm, angle from length of the first lens thing side R1 to imaging surface IP on optical axis
Magnifying power is 1.151, a diameter of 3.361mm of aperture AS a diameter of 1.12mm, optical filtering part F.
It is first lens L1 thing side R1 and image side surface R2, the second lens L2 thing side R3 and image side surface R4, the 3rd saturating
The aspherical parameter such as mirror L3 thing side R5 and image side surface R6 and the 4th lens L4 thing side R7 and image side surface R8 is counted in detail
According to refer to table 3B.
Table 3B
Fig. 3 B illustrate the sagitta of arc direction (sign S) and meridian side that the present embodiment is showed under wavelength 940nm light wave
To the schematic diagram of the astigmatic image error of (sign T), Fig. 3 C illustrate the schematic diagram of the distortion aberration of the present embodiment.The sagitta of arc and meridian direction
Focal length variations amount of the astigmatic image error in whole field range fall in ± 0.06mm, and distortion aberration is maintained at ± 2.0%
It is interior.
Fig. 4 is refer to, it shows cuing open for the quadruple lenses of the optical imaging lens 3 of the fourth embodiment according to the present invention
Face structural representation.The optical imaging lens 3 of the present embodiment sequentially include one first lens L1, a light from thing side A1 to image side A2
Enclose AS, one second lens L2, one the 3rd lens L3 and one the 4th lens L4.
First lens L1 of optical imaging lens 3, the second lens L2, the 3rd lens L3 and the 4th lens L4 are exemplary herein
Ground be all using optical axis as symmetry axis, and formed thin portion structure it is as follows：First lens L1 has positive refractive index, and its thing side R1 is one
Plane, its image side surface R2 is convex in optical axis near zone, and is convex in circumference near zone.Second lens L2 has negative dioptric
Rate, its thing side R3 is convex in optical axis near zone, and is convex in circumference near zone, and its image side surface R4 is in optical axis near zone
To be recessed, and it is recessed in circumference near zone.3rd lens L3 has negative refractive index, and its thing side R5 is in optical axis near zone
It is recessed, and be recessed in circumference near zone, its image side surface R6 is convex in optical axis near zone, and is convex in circumference near zone.The
Four lens L4 have positive refractive index, and its thing side R7 is convex in optical axis near zone, and are convex, its image side in circumference near zone
Face R8 is convex in optical axis near zone, and is convex in circumference near zone.
Detailed optical number of the table 4 below A displays according to each eyeglass of the optical imaging lens 3 of the fourth embodiment of the present invention
According to.
Table 4A
In the present embodiment, EFL is 1.0588mm, and half angle of view is 18.11 degree, and F-number is 2.07, and image height is
0.346mm, BFL are 0.398mm, are 2.116mm, angle from length of the first lens thing side R1 to imaging surface IP on optical axis
Magnifying power is 0.0622, a diameter of 0.498mm of aperture AS, and its thickness is 0.02mm.In the present embodiment, the first lens L1,
Second lens L2, the 3rd lens L3 and the 4th lens L4 refractive index are illustratively 1.6397, and its key light line angle is whole
It is also smaller than 1 degree in visual field.It is worth noting that, in the present embodiment, AC12 is about 0.02mm, AC23 is about 0.196mm, and
AC34 is about 0.05mm.
First lens L1 thing side R1 be plane, its radius matter with other such as：First lens L1 image side surface R2, second
Lens L2 thing side R3 and image side surface R4, the 3rd lens L3 thing side R5 and image side surface R6 and the 4th lens L4 thing side
R7 and image side surface R8 etc. aspherical parameter detailed data refer to table 4B.It note that all a8The parameter value of above series is all
It is zero, and the K values of all lens surfaces are all zero.
Table 4B
Fig. 5 is refer to, it shows cuing open for the quadruple lenses of the optical imaging lens 4 of the 5th embodiment according to the present invention
Face structural representation.The optical imaging lens 4 of the present embodiment sequentially include an aperture AS from thing side A1 to image side A2, one first saturating
Mirror L1, one second lens L2, one the 3rd lens L3 and one the 4th lens L4.
First lens L1 of optical imaging lens 4, the second lens L2, the 3rd lens L3 and the 4th lens L4 are exemplary herein
Ground be all using optical axis as symmetry axis, and formed thin portion structure it is as follows：First lens L1 has positive refractive index, and its thing side R1 is in light
Axle near zone is convex, and is convex in circumference near zone, and its image side surface R2 is convex in optical axis near zone, and near circumference
Region is convex.Second lens L2 has negative refractive index, and its thing side R3 is convex in optical axis near zone, and in circumference near zone
To be convex, its image side surface R4 is recessed in optical axis near zone, and is recessed in circumference near zone.3rd lens L3 has negative dioptric
Rate, its thing side R5 is recessed in optical axis near zone, and is recessed in circumference near zone, and its image side surface R6 is in optical axis near zone
To be recessed, and it is recessed in circumference near zone.4th lens L4 has positive refractive index, and its thing side R7 is in optical axis near zone
It is convex, and be convex in circumference near zone, its image side surface R8 is convex in optical axis near zone, and is convex in circumference near zone.
Detailed optical number of the table 5 below A displays according to each eyeglass of the optical imaging lens 4 of the 5th embodiment of the present invention
According to.
Table 5A
In the present embodiment, EFL is 3.614mm, and half angle of view is 4.896 degree, and F-number is 2.3, and image height is 0.3096mm,
BFL is 0.1mm, from length of the first lens thing side R1 to imaging surface IP on optical axis be 2.678mm, angular magnification for-
The a diameter of 1.57mm of 0.3587, aperture AS, and its thickness is 0.35mm.In the present embodiment, the first lens L1, the second lens
L2, the 3rd lens L3 and the 4th lens L4 refractive index are illustratively 1.6397.It is worth noting that, in the present embodiment,
AC12 is about 0.04mm, and AC23 is about 0.80mm, and AC34 is about 0.18mm.
First lens L1 thing side R1 be plane, its radius value with other such as：First lens L1 image side surface R2, second
Lens L2 thing side R3 and image side surface R4, the 3rd lens L3 thing side R5 and image side surface R6 and the 4th lens L4 thing side
R7 and image side surface R8 etc. aspherical parameter detailed data refer to table 5B.It note that all a10The parameter value of above series is all
It is zero.
Table 5B
Refer to Fig. 6 A, its show according to the present invention sixth embodiment optical imaging lens 5 quadruple lenses it
Cross-sectional view.The optical imaging lens 5 of the present embodiment from thing side A1 to image side A2 sequentially include one first lens L11,
One aperture AS, one second lens L12, one the 3rd lens L13 and one the 4th lens L14.In the present embodiment, aperture AS is arranged on
Between first lens L11 and the second lens L12, and optical axis passes through aperture AS central points.In the present embodiment, optical filtering part F is located at
Between 4th lens L14 and imaging surface IP, and the visible filter that can be made for glass, it is acted on refer to first with explanation
Embodiment, will not be repeated here.
The first lens L11, the second lens L12, the 3rd lens L13 and the 4th lens L14 of optical imaging lens 5 show herein
Example property be all using optical axis as symmetry axis, and formed thin portion structure it is as follows：First lens L11 has positive refractive index, its thing side
R1 is convex in optical axis near zone, and is convex in circumference near zone, and its image side surface R2 is recessed in optical axis near zone.Second is saturating
Mirror L12 has negative refractive index, and its thing side R3 is convex in optical axis near zone, and is convex, its image side surface in circumference near zone
R4 is recessed in optical axis near zone, and is recessed in circumference near zone.3rd lens L13 has negative refractive index, its thing side R5
It is recessed in optical axis near zone, and is recessed in circumference near zone, its image side surface R6 is recessed in optical axis near zone, and in circumference
Near zone is recessed.4th lens L14 has positive refractive index, and its thing side R7 is recessed and attached in circumference in optical axis near zone
Near field is recessed, and its image side surface R8 is convex in optical axis near zone, and is convex in circumference near zone.
Detailed optical number of the table 6 below A displays according to each eyeglass of the optical imaging lens 5 of the sixth embodiment of the present invention
According to it is noted that AC1S herein refers to distances of the first lens L11 image side surfaces R2 to aperture AS on optical axis.
Table 6A
In the present embodiment, EFL is 3.7999mm, and half angle of view is 5.387 degree, and F-number is 2.3, and image height is 0.358mm,
BFL is 0.5mm, is 2.701mm from length of the first lens thing side R1 to imaging surface IP on optical axis, and angular magnification is
The a diameter of 1.05mm of 1.422, aperture AS.In the present embodiment, the first lens L11, the second lens L12, the 3rd lens L13 and
Four lens L14 refractive index is illustratively 1.6397, and it is 0.71058 to look in the distance than (telephoto ratio).It is noticeable
That in the present embodiment, AC12 is about 0.1mm, AC23 is about 0.274mm, AC34 is about 0.237mm, optical filtering part F be arranged on away from
At the 4th lens L14 image sides about 0.1mm, and with imaging surface IP apart from about 0.1mm, it is preferable that AAG is 0.611mm, AAG/
T3 is 2.174.
First lens L11 thing side R1 and image side surface R2, the second lens L12 thing side R3 and image side surface R4, the 3rd
Lens L13 thing side R5 and image side surface R6 and the 4th lens L14 thing side R7 and image side surface R8 etc. aspherical parameter is detailed
Count evidence accurately and refer to table 6B.It note that all a10The parameter value of above series is all zero.
Table 6B
Lateral light fan figure (transverse of Fig. 6 B displays according to the optical imaging lens 5 of the sixth embodiment of the present invention
ray fan plot)。
Fig. 7 A are refer to, it shows cuing open for the quadruple lenses of the optical imaging lens of the 7th embodiment according to the present invention
Face structural representation.The optical imaging lens 6 of the present embodiment sequentially include one first lens L11, one from thing side A1 to image side A2
Aperture AS, one second lens L12, one the 3rd lens L13 and one the 4th lens L24.In the present embodiment, aperture AS is arranged on
Between one lens L11 and the second lens L12, and optical axis passes through aperture AS central points.In the present embodiment, optical filtering part F is located at the
Between four lens L24 and imaging surface IP, and the visible filter that can be made for glass, it is acted on refer to first in fact with explanation
Example is applied, be will not be repeated here.
The first lens L11, the second lens L12, the 3rd lens L13 and the 4th lens L24 of optical imaging lens 6 show herein
Example property be all using optical axis as symmetry axis, and formed thin portion structure it is as follows：First lens L11 has positive refractive index, its thing side
R1 is a convex surface, and its image side surface R2 is recessed in optical axis near zone, and is recessed in circumference near zone.Second lens L12 has
Negative refractive index, its thing side R3 is convex in optical axis near zone, and its image side surface R4 is recessed in optical axis near zone.3rd lens
L13 has negative refractive index, and its thing side R5 is recessed in optical axis near zone, and its image side surface R6 is recessed in optical axis near zone.The
Four lens L24 have positive refractive index, and its thing side R7 is recessed in optical axis near zone, and its image side surface R8 is in optical axis near zone
It is convex, and be convex in circumference near zone.
Detailed optical number of the table 7 below A displays according to each eyeglass of the optical imaging lens 6 of the 7th embodiment of the present invention
According to it is noted that AC1S herein refers to distances of the first lens L11 image side surfaces R2 to aperture AS on optical axis.
Table 7A
In the present embodiment, EFL is 3.798mm, and half angle of view is 5.469 degree, and F-number is 2.2, and image height is 0.3636mm,
BFL is 0.51mm, from length of the first lens thing side R1 to imaging surface IP on optical axis be 2.7018mm, look in the distance than for
0.71147, angular magnification is 1.5316, a diameter of 0.75mm of aperture AS a diameter of 1.38mm, optical filtering part F.
First lens L11 thing side R1 and image side surface R2, the second lens L12 thing side R3 and image side surface R4, the 3rd
Lens L13 thing side R5 and image side surface R6 and the 4th lens L24 thing side R7 and image side surface R8 etc. aspherical parameter is detailed
Count evidence accurately and refer to table 7B.It note that all a10The parameter value of above series is all zero.
Table 7B
Lateral light fan figure of Fig. 7 B displays according to the optical imaging lens 6 of the 7th embodiment of the present invention.
With reference to Fig. 8 A, it shows cuing open for the quadruple lenses of the optical imaging lens 7 of the 8th embodiment according to the present invention
Face structural representation.The optical imaging lens 7 of the present embodiment sequentially include an aperture AS from thing side A1 to image side A2, one first saturating
Mirror L31, one second lens L32, one the 3rd lens L33 and one the 4th lens L34.In the present embodiment, optical axis passes through aperture AS
Central point, optical filtering part F is located between the 4th lens L34 and imaging surface IP, and the visible filter that can be made for glass, and it is made
First embodiment is refer to with explanation, be will not be repeated here.
The first lens L31, the second lens L32, the 3rd lens L33 and the 4th lens L34 of optical imaging lens 7 show herein
Example property be all using optical axis as symmetry axis, and formed thin portion structure it is as follows：First lens L31 has positive refractive index, its thing side
R1 is convex in optical axis near zone, and is convex in circumference near zone, and its image side surface R2 is convex in optical axis near zone.Second is saturating
Mirror L32 has negative refractive index, and its thing side R3 is convex in optical axis near zone, and its image side surface R4 is recessed in optical axis near zone.
3rd lens L33 has negative refractive index, and its thing side R5 is convex in optical axis near zone, and its image side surface R6 is in optical axis near zone
To be recessed.4th lens L34 has negative refractive index, and its thing side R7 is recessed in optical axis near zone, and its image side surface R8 is attached in optical axis
Near field is recessed.
Detailed optical number of the table 8 below A displays according to each eyeglass of the optical imaging lens 7 of the 8th embodiment of the present invention
According to.
Table 8A
In the present embodiment, EFL is 3.9999mm, and half angle of view is 5.3 degree, and F-number is 2.4, and image height is 0.3715mm,
It is 2.703mm from length of the first lens thing side R1 to imaging surface IP on optical axis, looks in the distance than for 0.675, angular magnification
For 3.0447, aperture AS a diameter of 1.666mm, optical filtering part F a diameter of 0.678mm, AAG are that 0.71, AAG/T3 is more than 2.0.
First lens L31 thing side R1 and image side surface R2, the second lens L32 thing side R3 and image side surface R4, the 3rd
Lens L33 thing side R5 and image side surface R6 and the 4th lens L34 thing side R7 and image side surface R8 etc. aspherical parameter is detailed
Count evidence accurately and refer to table 8B.It note that all a8The parameter value of above series is all zero.
Table 8B
Lateral light fan figure of Fig. 8 B displays according to the optical imaging lens of the 8th embodiment of the present invention, Fig. 8 C show foundation
Optical delivery modulus (the modulus of the optical of the optical imaging lens of the 8th embodiment of the present invention
Transfer function) change curve in visual field.
With reference to Fig. 9 A, it shows cuing open for the quadruple lenses of the optical imaging lens 8 of the 9th embodiment according to the present invention
Face structural representation.The optical imaging lens 8 of the present embodiment sequentially include an aperture AS from thing side A1 to image side A2, one first saturating
Mirror L41, one second lens L42, one the 3rd lens L43 and one the 4th lens L44.In the present embodiment, optical axis passes through aperture AS
Central point, optical filtering part F is located between the 4th lens L44 and imaging surface IP, and the visible filter that can be made for glass, and it is made
With with the similar first embodiment of explanation, the optical filtering part F of only the present embodiment is to allow visible ray to pass through, and filters off the light of remaining wave band,
Other will not be repeated here.
The first lens L41, the second lens L42, the 3rd lens L43 and the 4th lens L44 of optical imaging lens 8 show herein
Example property be all using optical axis as symmetry axis, and formed thin portion structure it is as follows：First lens L41 has positive refractive index, its thing side
R1 is convex in optical axis near zone, and is convex in circumference near zone, and its image side surface R2 is convex in optical axis near zone.Second is saturating
Mirror L42 has negative refractive index, and its image side surface R4 is recessed in optical axis near zone.3rd lens L43 has negative refractive index, its thing side
Face R5 is convex in optical axis near zone, and its image side surface R6 is recessed in optical axis near zone.4th lens L44 has negative refractive index,
Its thing side R7 is recessed in optical axis near zone, and its image side surface R8 is convex in optical axis near zone.
Detailed optical number of the table 9 below A displays according to each eyeglass of the optical imaging lens 8 of the 9th embodiment of the present invention
According to.
Table 9A
In the present embodiment, EFL is 3.9999mm, and half angle of view is 7 degree, and F-number is 2.80, and image height is 0.4916mm, from
Length of the first lens thing side R1 to imaging surface IP on optical axis is 3.0414mm, is looked in the distance than for 0.75, and angular magnification is
2.4854, aperture AS a diameter of 1.666mm, optical filtering part F a diameter of 0.892mm, AAG are that 1.061, AAG/T3 is more than 4, AC23/
T3 is more than 2.
First lens L41 thing side R1 and image side surface R2, the second lens L42 thing side R3 and image side surface R4, the 3rd
Lens L43 thing side R5 and image side surface R6 and the 4th lens L44 thing side R7 and image side surface R8 etc. aspherical parameter is detailed
Count evidence accurately and refer to table 9B.It note that all a8The parameter value of above series is all zero.
Table 9B
Lateral light fan figure of Fig. 9 B displays according to the optical imaging lens of the 9th embodiment of the present invention, Fig. 9 C show foundation
Change curve of the optical delivery modulus of the optical imaging lens of the 9th embodiment of the present invention in visual field.
With reference to Figure 10 A, it shows cuing open for the quadruple lenses of the optical imaging lens 9 of the tenth embodiment according to the present invention
Face structural representation.The optical imaging lens 9 of the present embodiment sequentially include an aperture AS from thing side A1 to image side A2, one first saturating
Mirror L51, one second lens L52, one the 3rd lens L53 and one the 4th lens L54.In the present embodiment, optical axis passes through aperture AS
Central point, optical filtering part F is located between the 4th lens L54 and imaging surface IP, and the visible filter that can be made for glass, and it is made
With with the similar first embodiment of explanation, the optical filtering part F of only the present embodiment is to allow visible ray to pass through, and filters off the light of remaining wave band,
Other will not be repeated here.
The first lens L51, the second lens L52, the 3rd lens L53 and the 4th lens L54 of optical imaging lens 9 show herein
Example property be all using optical axis as symmetry axis, and formed thin portion structure it is as follows：First lens L51 has positive refractive index, its thing side
R1 is convex in optical axis near zone, and is convex in circumference near zone, and its image side surface R2 is convex in optical axis near zone.Second is saturating
Mirror L52 has negative refractive index, and its thing side R3 is convex in optical axis near zone, and its image side surface R4 is recessed in optical axis near zone.
3rd lens L53 has negative refractive index, and its thing side R5 is convex in optical axis near zone, and its image side surface R6 is in optical axis near zone
To be recessed.4th lens L54 has negative refractive index, and its thing side R7 is recessed in optical axis near zone, and its image side surface R8 is attached in optical axis
Near field is convex.
Detailed optical number of the table 10 below A displays according to each eyeglass of the optical imaging lens 9 of the tenth embodiment of the present invention
According to.
Table 10A
In the present embodiment, EFL is 3.9999mm, and half angle of view is 7 degree, and F-number is 2.802, and image height is 0.4916mm,
It is 3.0414mm from length of the first lens thing side R1 to imaging surface IP on optical axis, looks in the distance than for 0.75, angular magnification
For 2.4597, aperture AS a diameter of 1.428mm, optical filtering part F a diameter of 0.916mm, AAG are that 1.064, AAG/T3 is more than 4,
AC23/T3 is more than 2.
First lens L51 thing side R1 and image side surface R2, the second lens L52 thing side R3 and image side surface R4, the 3rd
Lens L53 thing side R5 and image side surface R6 and the 4th lens L54 thing side R7 and image side surface R8 etc. aspherical parameter is detailed
Count evidence accurately and refer to table 10B.It note that all a8The parameter value of above series is all zero.
Table 10B
Figure 10 B display according to the present invention the tenth embodiment optical imaging lens lateral light fan schemes, Figure 10 C show according to
According to change curve of the optical delivery modulus in visual field of the optical imaging lens of the tenth embodiment of the present invention.
With reference to Figure 11 A, it shows the quadruple lenses of the optical imaging lens 10 of the 11st embodiment according to the present invention
Cross-sectional view.The optical imaging lens 10 of the present embodiment sequentially include an aperture AS, one from thing side A1 to image side A2
First lens L61, one second lens L62, one the 3rd lens L63 and one the 4th lens L64.In the present embodiment, optical axis passes through
Aperture AS central points, optical filtering part F is located between the 4th lens L64 and imaging surface IP, and the visible ray that can be made for glass filters
Piece, its effect and the similar first embodiment of explanation, the optical filtering part F of only the present embodiment are to allow the visible ray such as 400nm to 700nm to lead to
Cross, filter off the light of remaining wave band, other will not be repeated here.
The first lens L61, the second lens 6, the 3rd lens L63 and the 4th lens L64 of optical imaging lens 10 show herein
Example property be all using optical axis as symmetry axis, and formed thin portion structure it is as follows：First lens L61 has positive refractive index, its thing side
R1 is convex in optical axis near zone, and is convex in circumference near zone, and its image side surface R2 is convex in optical axis near zone.Second is saturating
Mirror L62 has negative refractive index, and its image side surface R4 is recessed in optical axis near zone.3rd lens L63 has negative refractive index, its thing side
Face R5 is convex in optical axis near zone, and its image side surface R6 is recessed in optical axis near zone.4th lens L64 has negative refractive index,
Its thing side R7 is recessed in optical axis near zone, and its image side surface R8 is convex in optical axis near zone.
Detailed optical of the table 11 below A displays according to each eyeglass of the optical imaging lens 10 of the 11st embodiment of the present invention
Data.
Table 11A
In the present embodiment, EFL is 3.9999mm, and half angle of view is 7 degree, and F-number is 2.802, and image height is 0.4916mm,
It is 3.00mm from length of the first lens thing side R1 to imaging surface IP on optical axis, looks in the distance than for 0.75, angular magnification is
2.4877, aperture AS a diameter of 1.428mm, optical filtering part F a diameter of 0.894mm, AAG are that 1.062, AAG/T3 is more than 4, AC23/
T3 is more than 2.
First lens L61 thing side R1 and image side surface R2, the second lens L62 thing side R3 and image side surface R4, the 3rd
Lens L63 thing side R5 and image side surface R6 and the 4th lens L64 thing side R7 and image side surface R8 etc. aspherical parameter is detailed
Count evidence accurately and refer to table 11B.It note that all a8The parameter value of above series is all zero.
Table 11B
Lateral light fan figure of Figure 11 B displays according to the optical imaging lens of the 11st embodiment of the present invention, Figure 11 C are shown
Change curve of the optical delivery modulus of the optical imaging lens of the 11st embodiment of the foundation present invention in visual field.
With reference to Figure 12 A, it shows the quadruple lenses of the optical imaging lens 11 of the 12nd embodiment according to the present invention
Cross-sectional view.The optical imaging lens 11 of the present embodiment sequentially include an aperture AS, one from thing side A1 to image side A2
First lens L11, one second lens L12, one the 3rd lens L13 and one the 4th lens 14.In the present embodiment, optical axis passes through light
AS central points are enclosed, optical filtering part F is located between the 4th lens L14 and imaging surface IP, and the visible filter that can be made for glass,
It is acted on refer to first embodiment with explanation, will not be repeated here.
The first lens L11, the second lens L12, the 3rd lens L13 and the 4th lens L14 of optical imaging lens 11 are herein
All be exemplarily using optical axis as symmetry axis, and formed thin portion structure it is as follows：First lens L11 has positive refractive index, its thing side
Face R1 is convex in optical axis near zone, and is convex in circumference near zone, and its image side surface R2 is recessed in optical axis near zone, and
Circumference near zone is convex.Second lens L12 has negative refractive index, and its thing side R3 is recessed in optical axis near zone, and in circle
All near zones are recessed, and its image side surface R4 is convex in optical axis near zone, and are convex in circumference near zone.3rd lens L13
With positive refractive index, its thing side R5 is recessed in optical axis near zone, and is recessed in circumference near zone, and its image side surface R6 is in light
Axle near zone is convex, and is convex in circumference near zone.4th lens L14 has negative refractive index, and its thing side R7 is in optical axis
Near zone is recessed in circumference near zone to be convex, and its image side surface R8 is recessed, and the area near circumference in optical axis near zone
Domain is convex.
Detailed optical of the table 12 below A displays according to each eyeglass of the optical imaging lens 11 of the 12nd embodiment of the present invention
Data.
Table 12A
| Radius (mm) | Thickness (mm) | Refractive index | Abbe number | Focal length | |
| AS | ∞ | TA=-0.091 | |||
| L31 | 1.607 | T1=0.550 | 1.54 | V1=49.9 | 3.144 |
| 30.068 | AC12=0.186 | ||||
| L32 | -12.787 | T2=0.300 | 1.63 | V2=23.3 | -34.242 |
| -33.168 | AC23=0.345 | ||||
| L33 | -1.002 | T3=0.453 | 1.63 | V3=23.3 | 2.093 |
| -0.658 | AC34=0.080 | ||||
| L34 | 1.844 | T4=0.462 | 1.54 | V4=49.9 | -2.572 |
| 0.720 | AC4F=0.501 | ||||
| F | ∞ | TF=0.500 | |||
| ∞ | ACFP=0.298 | ||||
| IP | ∞ |
In the present embodiment, EFL is 2.5mm, and half angle of view is 39.5 degree, and F-number is 2.0, and image height is 0.3715mm, BFL
It is 3.675mm from length of the first lens thing side R1 to imaging surface IP on optical axis for 0.973mm.
First lens L11 thing side R1 and image side surface R2, the second lens L12 thing side R3 and image side surface R4, the 3rd
Lens L13 thing side R5 and image side surface R6 and the 4th lens L14 thing side R7 and image side surface R8 etc. aspherical parameter is detailed
Count evidence accurately and refer to table 12B.It note that all a16The parameter value of above series is all zero.
Table 12B
Figure 12 B display according to the present invention the 12nd embodiment optical imaging lens sagitta of arc direction (sagittal) and
The astigmatic image error diagram of meridian direction (tangental) is intended to, optics of Figure 12 C displays according to the 12nd embodiment of the present invention
The distortion aberration diagram of imaging lens is intended to.
With reference to Figure 13 A, it shows the quadruple lenses of the optical imaging lens 12 of the 13rd embodiment according to the present invention
Cross-sectional view.The optical imaging lens 12 of the present embodiment sequentially include an aperture AS, one from thing side A1 to image side A2
First lens L21, one second lens L22, one the 3rd lens L23 and one the 4th lens L24.In the present embodiment, optical axis passes through
Aperture AS central points, optical filtering part F is located between the 4th lens L24 and imaging surface IP, and the visible ray that can be made for glass filters
Piece, it is acted on refer to first embodiment with explanation, will not be repeated here.
The first lens L21, the second lens L22, the 3rd lens L23 and the 4th lens L24 of optical imaging lens 12 are herein
All be exemplarily using optical axis as symmetry axis, and formed thin portion structure it is as follows：First lens L21 has positive refractive index, its thing side
Face R1 is convex in optical axis near zone, and is convex in circumference near zone, and its image side surface R2 is recessed in optical axis near zone, and
Circumference near zone is convex.Second lens L22 has positive refractive index, and its thing side R3 is convex in optical axis near zone, and in circle
All near zones are recessed, and its image side surface R4 is recessed in optical axis near zone, and are convex in circumference near zone.3rd lens L23
With positive refractive index, its thing side R5 is recessed in optical axis near zone, and is recessed in circumference near zone, and its image side surface R6 is in light
Axle near zone is convex, and is recessed in circumference near zone.4th lens L24 has negative refractive index, and its thing side R7 is in optical axis
Near zone is recessed in circumference near zone to be convex, and its image side surface R8 is recessed, and the area near circumference in optical axis near zone
Domain is convex.
Detailed optical of the table 13 below A displays according to each eyeglass of the optical imaging lens 12 of the 13rd embodiment of the present invention
Data.
Table 13A
| Radius (mm) | Thickness (mm) | Refractive index | Abbe number | Focal length | |
| AS | infinity | -0.071 | |||
| L31 | 1.830 | T1=0.550 | 1.54 | V1=49.9 | 3.656 |
| 24.489 | G12=0.146 | ||||
| L32 | 6.577 | T2=0.300 | 1.63 | V2=23.3 | 25.663 |
| 11.131 | G23=0.319 | ||||
| L33 | -1.032 | T3=0.561 | 1.63 | V3=23.3 | 2.069 |
| -0.685 | G34=0.080 | ||||
| L34 | 1.603 | T4=0.407 | 1.54 | V4=49.9 | -2.586 |
| 0.678 | G4F=0.595 | ||||
| F | infinity | TF=0.500 | |||
| infinity | GFP=0.298 | ||||
| IP | infinity |
In the present embodiment, EFL is 2.51mm, and half angle of view is 39.5 degree, and F-number is that 2.0, BFL is 1.067mm, from the
Length of the one lens thing side R1 to imaging surface IP on optical axis is 3.756mm.
First lens L21 thing side R1 and image side surface R2, the second lens L22 thing side R3 and image side surface R4, the 3rd
Lens L23 thing side R5 and image side surface R6 and the 4th lens L24 thing side R7 and image side surface R8 etc. aspherical parameter is detailed
Count evidence accurately and refer to table 13B.It note that all a16The parameter value of above series is all zero.
Table 13B
Figure 13 B display according to the present invention the 13rd embodiment optical imaging lens sagitta of arc direction (sagittal) and
The astigmatic image error diagram of meridian direction (tangental) is intended to, optics of Figure 13 C displays according to the 13rd embodiment of the present invention
The distortion aberration diagram of imaging lens is intended to.
Table 14 below, which is united, lists the parameter value of 13 embodiments of the above.
Table 14
Figure 14 is referred to, one first for the portable electronic devices 400 of application aforementioned optical imaging lens preferably implements
Example, portable electronic devices 400 include a casing 401 and an image module in casing 401.Only it is with mobile phone herein
Exemplified by illustrate portable electronic devices 400, but the pattern of portable electronic devices 400 is not limited, for example, portable
Electronic installation 400 may also include but be not limited to camera, tablet PC, personal digital assistant (personal digital
Assistant, abbreviation PDA) etc..
As shown in FIG., it is the optical imaging lens immobilized with a focal length in image module, it is included just like preceding
Described optical imaging lens, such as herein exemplarily from the identical eyeglass of the optical imaging lens of foregoing 12nd embodiment
The lens barrel 402, one that group 408, one is used to set for optical imaging lens is used for the module rear seat unit set for lens barrel 402
(module housing unit) 404, one is arranged at the substrate for the substrate 420 and one of the setting of module rear seat unit 404
420 and positioned at optical imaging lens image side image sensor 422.Light enters from opening 406, forms image in imaging surface
On, it is provided by image sensor 422.
Though it is noted that the present embodiment shows optical filtering part 410, but optical filtering part can be also omitted in other embodiments
410 structure, is not limited with necessity of optical filtering part 410, and casing 401, lens barrel 402 and/or module rear seat unit 404 can be
Single component or multiple assembling components are formed, without being defined in this；Secondly, it is image sensor used in the present embodiment
422 be to be connected directly between using the packaged type of interconnection system chip package (Chip on Board, COB) on plate on substrate 420,
It is interconnection system chip on plate with the difference of the packaged type of traditional die sized package (Chip Scale Package, CSP)
Encapsulation is without the use of protective glass (cover glass), therefore in optical imaging lens and need not be in image sensor 422
Protective glass is set before, and the right present invention is not limited thereto.
There is quadruple lenses L1, L2, L3, L4 of refractive index to be exemplarily to deposit respectively between relative two lens for entirety
Mode in a air gap is arranged in lens barrel 402.
Due to the length only 3.675mm of optical imaging lens 1, therefore can be by the size design of portable electronic devices 400
Ground is more compact, and remains able to provide good optical property and image quality.Thereby, make the present embodiment except with
Outside the economic benefit for reducing casing raw material dosage, moreover it is possible to meet compact product design trend and consumption demand.
Figure 15 separately is referred to, one second for the portable electronic devices 500 of application aforementioned optical imaging lens is preferably real
Apply example, the master of the portable electronic devices 400 of the preferred embodiment of portable electronic devices 500 and first of the second preferred embodiment
Difference is wanted to be：Casing 501 includes a depressed part 505, an accommodating light source 512 in it, and with a protection cap 514 in depressed part
505 outsides, to protect light source 512.Light source 512 can be an infrared light supply or near-infrared light source, and be shone available in shooting at night
Piece, now its object irradiated can't be seen by human eye.Depressed part 505 can be with lens barrel 502, module rear seat unit 504 1
Body shapes, and preferably lighttight material is made, and is disturbed with the light for protecting lens set 508 not come laterally.Protection cap
514 light that can be sent light source 512 to expand light microscopic piece, which spread, to be carried out.Imaging source enters lens set 508 to be formed from opening 506
Image is on the imaging surface of image sensor 522.
Though it is noted that the present embodiment shows optical filtering part 510, but optical filtering part can be also omitted in other embodiments
510 structure, is not limited with necessity of optical filtering part 510, and casing 501, lens barrel 502 and/or module rear seat unit 504 can be
Single component or multiple assembling components are formed, without being defined in this；Secondly, it is image sensor used in the present embodiment
522 be to be connected directly between using the packaged type of interconnection system chip package on plate on substrate 520, and traditional die sized package it
The difference of packaged type is on plate that interconnection system chip package is without the use of protective glass, therefore in optical imaging lens not
Need to set protective glass before image sensor 522, the right present invention is not limited thereto.
Quadruple lenses L1, L2, L3, L4 with refractive index are exemplarily to be respectively present one between relative two lens
The mode of the air gap is arranged in lens barrel 502.
Similarly, due to the length only 3.675mm of optical imaging lens, therefore can be by the chi of portable electronic devices 500
It is very little to design more compact, and remain able to provide good optical property and image quality.Thereby, remove the present embodiment
Have outside the economic benefit for reducing casing raw material dosage, moreover it is possible to meet compact product design trend and consumption demand.
The distortion aberration of the optical imaging lens of the present embodiment meets operating specification, is about less than 0.5%, and not only such as
This, the TV distortion aberrations that Figure 16 A are shown about are less than 5%.Figure 16 B show that distortion aberration influences the simple signal of image quality
Figure, display the present embodiment has excellent dispersion rejection ability.In summary, by the design of lens with being collocated with each other, it can produce
Raw excellent image quality.
The multiple not be the same as Examples of the foundation present invention described above, wherein various features can be real with single or different combinations
Apply.Therefore, the exposure of embodiment of the present invention is to illustrate the specific embodiment of principle of the present invention, should be regardless of the limit present invention in being taken off
The embodiment shown.Further it, had previously described and its accompanying drawing was only that present invention demonstration is used, do not limited by its limit.Other groups
The change of part combines all possible, and is not contrary in the spirit and scope of the present invention.
Claims (11)
1. a kind of optical imaging lens, it is characterised in that：Sequentially include an aperture and one first from thing side to image side along an optical axis
Lens, one second lens, one the 3rd lens and one the 4th lens, the aperture are placed in before first lens, and each lens all have
There is a refractive index, and towards thing side and make thing side that imaging light passes through with one and one towards image side and pass through imaging light
Image side surface, wherein：
The image side surface of first lens is convex in circumference near zone；
The thing side of second lens is recessed in circumference near zone；
The thing side of 4th lens is convex in optical axis near zone, and its image side surface is recessed in circumference near zone；And
Wherein, the optical imaging lens meet following relationship：
|v1-v4|≦20；
TTL/T4≦10；
ALT/T1≦3.5；
ALT/AAG≦3.5；And
1.5≦T2/AC12≦2.1；
V1 represents the Abbe number of first lens, and v4 represents the Abbe number of the 4th lens, and T4 represents the 4th lens in the light
Thickness on axle, TTL represents distance of the thing side to an imaging surface on optical axis of first lens, and it is first saturating that T1 represents this
Thickness of the mirror on the optical axis, ALT represents first lens to last all lens thickness summations of a piece of lens on optical axis,
AAG represents first lens to all air gap width summations between last a piece of lens on optical axis, T2 represent this
Thickness of two lens on the optical axis, AC12 represents the air gap on the optical axis between first lens and second lens
Width.
2. a kind of optical imaging lens according to claim 1, it is characterised in that：Wherein the optical imaging lens are more met
ALT/BFL≤1.751, BFL represents the back focal length of the optical imaging lens, i.e., the image side surface of last a piece of lens a to imaging
Distance of the face on optical axis.
3. a kind of optical imaging lens according to claim 2, it is characterised in that：Wherein the optical imaging lens are more met
T1/T2≦2.244。
4. a kind of optical imaging lens according to claim 2, it is characterised in that：Wherein the optical imaging lens are more wrapped
Include：The image side surface of second lens is convex in circumference near zone.
5. a kind of optical imaging lens according to claim 2, it is characterised in that：Wherein the optical imaging lens are more met
2.237≦BFL/T4。
6. a kind of optical imaging lens according to claim 1, it is characterised in that：Wherein the optical imaging lens are more met
Following relationship：
ALT/(T1+T4)≦1.9；
ALT/T2≦6.3；
0.7≦AAG/T1；
2.5≦AAG/AC12；And
TTL/T1≦7。
7. a kind of optical imaging lens according to claim 6, it is characterised in that：Wherein the optical imaging lens are more met
Following relationship：
TTL≦6；
Fno≦2.8；And
3≦HFOV；
Fno represents the F-number of the optical imaging lens, and HFOV represents the half angle of view of the optical imaging lens.
8. a kind of optical imaging lens according to claim 7, it is characterised in that：Wherein the optical imaging lens are more met
| v1-v2 |≤15, v2 represent the Abbe number of second lens.
9. a kind of optical imaging lens according to claim 8, it is characterised in that：Wherein the optical imaging lens are more met
TTL/T2≦12。
10. a kind of optical imaging lens according to claim 9, it is characterised in that：Wherein the optical imaging lens are fuller
Sufficient T4/AC12≤5.
11. a kind of portable electronic devices, it is characterised in that：Including：
One casing；And
One image module, is installed in the casing, including：
Just like the optical imaging lens any one of claim the 1 to the 10th；
One lens barrel, the optical imaging lens are set to supply；
One module rear seat unit, the lens barrel is set to supply；And
One image sensor, positioned at the image side of the optical imaging lens.
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| US201462052181P | 2014-09-18 | 2014-09-18 | |
| US62/052181 | 2014-09-18 | ||
| US201462061516P | 2014-10-08 | 2014-10-08 | |
| US62/061516 | 2014-10-08 |
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| CN201510393417.3A Active CN105425367B (en) | 2014-09-18 | 2015-07-07 | Portable electronic devices and its optical imaging lens |
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| TWI587000B (en) | 2016-02-02 | 2017-06-11 | 大立光電股份有限公司 | Image capturing lens system, image capturing apparatus and electronic device |
| TWI647504B (en) * | 2017-03-15 | 2019-01-11 | 大立光電股份有限公司 | Optical image capturing assembly, imaging apparatus and electronic device |
| KR101956705B1 (en) * | 2017-08-21 | 2019-03-11 | 삼성전기주식회사 | Optical system |
| CN113189746B (en) | 2017-12-08 | 2022-09-02 | 大立光电股份有限公司 | Electronic device |
| CN110727085A (en) * | 2017-12-29 | 2020-01-24 | 玉晶光电(厦门)有限公司 | Optical imaging lens |
| CN107976787B (en) * | 2018-01-02 | 2023-05-09 | 浙江舜宇光学有限公司 | Optical imaging lens |
| TWI706182B (en) | 2018-07-12 | 2020-10-01 | 大立光電股份有限公司 | Imaging optical lens assembly, image capturing unit and electronic device |
| TWI717161B (en) | 2019-12-20 | 2021-01-21 | 大立光電股份有限公司 | Optical lens assembly, image capturing unit and electronic device |
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| CN103185958A (en) * | 2012-12-28 | 2013-07-03 | 玉晶光电(厦门)有限公司 | Portable electronic device and optical imaging lens thereof |
| CN103185952A (en) * | 2012-12-28 | 2013-07-03 | 玉晶光电(厦门)有限公司 | Portable electronic device and optical imaging lens thereof |
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| CN105425367A (en) | 2016-03-23 |
| CN105425360A (en) | 2016-03-23 |
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