CN103543514B - Portable electronic devices and its optical imaging lens - Google Patents

Abstract

The present invention provides a kind of portable electronic devices and its optical imaging lens.This optical imaging lens, sequentially includes one first lens, one second lens, one the 3rd lens, one the 4th lens and one the 5th lens from thing side to image side along an optical axis.Wherein, this optical imaging lens only has five lens with refractive index altogether, and meeting following condition formulae: TL/CT5 7.80, TL is this first lens thing side to the distance on optical axis between the 5th lens image side surface, and CT5 is the 5th lens thickness on optical axis.This portable electronic devices, is arranged on the image module in this casing including a casing and one, and this image module includes above-mentioned optical imaging lens, a lens barrel, a module rear seat unit and an image sensor.The present invention arranges and/or the characteristic of refractive index by controlling the concave-convex curved surface of each lens, and controls parameter and meet at least one formula, and maintaining favorable optical performance under the conditions of, shortens lens length.

Description

Portable electronic devices and its optical imaging lens

Technical field

The present invention is relevant with its optical imaging lens to a kind of portable electronic devices, and especially with apply five chips The portable electronic devices of lens is relevant to its optical imaging lens.

Background technology

In recent years, universal the making of mobile phone and digital camera comprises optical imaging lens, lens barrel and image sensor etc. Camera module is flourish, and slim light and handyization of mobile phone and digital camera also allows the miniature requirement of camera module the highest, Along with photosensitive coupling component (Charge Coupled Device is called for short CCD) or Complimentary Metal-Oxide semiconductor subassembly The technological progress of (Complementary Metal-Oxide Semiconductor is called for short CMOS) and size reduction, be worn on Optical imaging lens in camera module is also required to reduce volume, but the favorable optical performance of optical imaging lens is also necessary Gu And part.

From the point of view of U.S. Patent Bulletin number 7480105 and Japanese patent publication 4197994, all disclose five chip lens knots The optical imaging lens of structure, its first lens thing side to imaging surface distance on optical axis is all higher than more than 8mm, is unfavorable for hands The slimming design of the portable electronic product such as machine and digital camera.Therefore, current pole needs exploitation image quality good and mirror The five chip optical imaging lens that head length is shorter.

Summary of the invention

One purpose of the present invention is to provide a kind of portable electronic devices and its optical imaging lens, each by controlling The concave-convex curved surface arrangement of mirror and/or the characteristic such as refractive index configuration, and control parameter and meet at least one formula, and good maintaining Optical property under conditions of maintaining systematic function, shortens system length.

According to the present invention, it is provided that a kind of optical imaging lens, sequentially include that one first is saturating from thing side to image side along an optical axis Mirror, one second lens, one the 3rd lens, one the 4th lens and one the 5th lens, each lens have one towards thing side and to be made into The thing side passed through as light and one is towards image side and the image side surface that makes imaging light pass through.The thing side of the first lens includes one It is positioned at the convex surface part of optical axis near zone；Second lens have positive refractive index；The image side surface of the 4th lens includes that one is positioned at optical axis The convex surface part of near zone；And the 5th the image side surface of lens include that a concave part being positioned at optical axis near zone and is positioned at circumference The convex surface part of near zone.Optical imaging lens meets following condition formulae:

TL/CT5 7.80 conditional (1),

TL is the distance between the first lens thing side to the 5th lens image side surface on optical axis, and CT5 is that the 5th lens exist Thickness on optical axis.In the present invention, optical imaging lens only has five lens with refractive index altogether.

Secondly, the present invention optionally controls the ratio of partial parameters and meets other conditional, such as:

The air gap width (representing with AC23) that controls between the second lens and the 3rd lens on optical axis, the 3rd saturating Air gap width (representing with AC34) on optical axis and the 3rd lens thickness on optical axis between mirror and the 4th lens (representing with CT3) meets

1.10 (AC23+AC34)/CT3 conditional (2)；

Or control between TL and the first lens and the 5th lens four the air gaps width summation on optical axis (representing with AAG) meets

4.30 TL/AAG conditionals (3)；

Or control CT3, CT5 and first lens thickness (representing with CT1) on optical axis meet

3.75 (CT1+CT5)/CT3 conditional (4)；

Or control TL, between the first lens and this second lens the air gap width on optical axis (with AC12 table Show) and the 4th lens and the 5th lens between air gap width (representing with AC45) on optical axis meet

9.80 TL/ (AC12+AC23+AC45) conditional (5)；

Or it is satisfied with AC45 to control CT5, AC12, AC23

1.85 CT5/ (AC12+AC23+AC45) conditional (6)；

Or control CT3 and the 4th lens thickness (representing with CT4) on optical axis meet

1.60 CT4/CT3 3.40 conditional (7)；

Or it is satisfied with AC45 to control AC12, AC23

AC23/ (AC12+AC45) 2.00 conditional (8)；

Or it is satisfied with AC45 to control AC12, AC23, AC34

1.60 AC34/ (AC12+AC23+AC45) conditional (9)；

Or it is satisfied with AC45 to control CT1, AC12, AC23

1.80 CT1/ (AC12+AC23+AC45) conditional (10)；

Or it is satisfied with AC34 to control CT4, AC12

5.50 CT4/ (AC12+AC45) conditional (11)；

Or it is satisfied to control TL Yu AC34

TL/AC34 10.30 conditional (12)；

Or it is satisfied with CT5 to control CT1, CT3, CT4

4.00 (CT1+CT4+CT5)/CT3 conditional (13)；

Or it is satisfied to control AAG Yu AC23

AAG/AC34 1.60 conditional (14).

Aforementioned listed exemplary qualifications formula also can optionally merge and is applied in embodiments of the invention, It is not limited to this.

Implement the present invention time, in addition to above-mentioned conditional, also can for single lens or popularity for multiple Lens additional designs goes out thin portion structure, refractive index and/or the limits of aperture position such as the concave-convex curved surface arrangement of other more lens Fixed condition, to strengthen systematic function and/or the control of resolution.For example, the position of aperture can be defined to first Before lens.It is noted that the characteristics such as this some thin portions structure, refractive index and/or aperture position need to conflict free situation it Under, optionally merge and be applied in the middle of other embodiments of the present invention.

The present invention can be according to aforesaid various optical imaging lens, it is provided that a kind of portable electronic devices, including: a casing And one image module be installed in this casing.Image module include according to arbitrary optical imaging lens of the present invention, a lens barrel, one Module rear seat unit and an image sensor.Lens barrel is for for arranging optical imaging lens, and module rear seat unit is for for arranging Lens barrel, image sensor is disposed on the image side of optical imaging lens.

By in above-mentioned it is known that the portable electronic devices of the present invention and its optical imaging lens, each by controlling The concave-convex curved surface arrangement of mirror and/or the design such as refractive index, and control parameter and meet at least one formula, to maintain good optical Can, and effectively shorten lens length.

Accompanying drawing explanation

Fig. 1 represents the cross-sectional view of the lens according to one embodiment of the invention.

Fig. 2 represents the cross-section structure signal of five chip lens of the optical imaging lens according to the first embodiment of the present invention Figure.

Fig. 3 represents that the longitudinal spherical aberration of the optical imaging lens according to the first embodiment of the present invention is illustrated with every aberration diagram Figure.

Fig. 4 represents the detailed optical data of each eyeglass according to first embodiment of the present invention optical imaging lens.

Fig. 5 represents the aspherical surface data of the optical imaging lens according to the first embodiment of the present invention.

Fig. 6 represents the cross-section structure signal of five chip lens of the optical imaging lens according to the second embodiment of the present invention Figure.

Fig. 7 represents that the longitudinal spherical aberration according to second embodiment of the present invention optical imaging lens is illustrated with every aberration diagram Figure.

Fig. 8 represents the detailed optical data of each eyeglass of the optical imaging lens according to the second embodiment of the present invention.

Fig. 9 represents the aspherical surface data of the optical imaging lens according to the second embodiment of the present invention.

Figure 10 represents that the cross-section structure of five chip lens of the optical imaging lens according to the third embodiment of the present invention shows It is intended to.

Figure 11 represents that the longitudinal spherical aberration according to third embodiment of the present invention optical imaging lens is illustrated with every aberration diagram Figure.

Figure 12 represents the detailed optical data of each eyeglass of the optical imaging lens according to the third embodiment of the present invention.

Figure 13 represents the aspherical surface data of the optical imaging lens according to the third embodiment of the present invention.

Figure 14 represents that the cross-section structure of five chip lens of the optical imaging lens according to the fourth embodiment of the present invention shows It is intended to.

Figure 15 represents that the longitudinal spherical aberration according to fourth embodiment of the present invention optical imaging lens is illustrated with every aberration diagram Figure.

Figure 16 represents the detailed optical data of each eyeglass of the optical imaging lens according to the fourth embodiment of the present invention.

Figure 17 represents the aspherical surface data of the optical imaging lens according to the fourth embodiment of the present invention.

Figure 18 represents that the cross-section structure of five chip lens of the optical imaging lens according to the fifth embodiment of the present invention shows It is intended to.

Figure 19 represents that the longitudinal spherical aberration according to fifth embodiment of the present invention optical imaging lens is illustrated with every aberration diagram Figure.

Figure 20 represents the detailed optical data of each eyeglass of the optical imaging lens according to the fifth embodiment of the present invention.

Figure 21 represents the aspherical surface data of the optical imaging lens according to the fifth embodiment of the present invention.

Figure 22 represents that the cross-section structure of five chip lens of the optical imaging lens according to the sixth embodiment of the present invention shows It is intended to.

Figure 23 represents that the longitudinal spherical aberration according to sixth embodiment of the present invention optical imaging lens is illustrated with every aberration diagram Figure.

Figure 24 represents the detailed optical data of each eyeglass of the optical imaging lens according to the sixth embodiment of the present invention.

Figure 25 represents the aspherical surface data of the optical imaging lens according to the sixth embodiment of the present invention.

Figure 26 represents that the cross-section structure of five chip lens of the optical imaging lens according to the seventh embodiment of the present invention shows It is intended to.

Figure 27 represents that the longitudinal spherical aberration according to seventh embodiment of the present invention optical imaging lens is illustrated with every aberration diagram Figure.

Figure 28 represents the detailed optical data of each eyeglass of the optical imaging lens according to the seventh embodiment of the present invention.

Figure 29 represents the aspherical surface data of the optical imaging lens according to the seventh embodiment of the present invention.

Figure 30 represents that the cross-section structure of five chip lens of the optical imaging lens according to the eighth embodiment of the present invention shows It is intended to.

Figure 31 represents that the longitudinal spherical aberration according to eighth embodiment of the present invention optical imaging lens is illustrated with every aberration diagram Figure.

Figure 32 represents the detailed optical data of each eyeglass of the optical imaging lens according to the eighth embodiment of the present invention.

Figure 33 represents the aspherical surface data of the optical imaging lens according to the eighth embodiment of the present invention.

The TL/CT5 of above eight embodiments, (AC23+AC34)/CT3, TL/ of being based on the present invention represented by Figure 34 AAG、(CT1+CT5)/CT3、TL/(AC12+AC23+AC45)、CT5/(AC12+AC23+AC45)、CT4/CT3、AC23/(AC12 +AC45)、AC34/(AC12+AC23+AC45)、CT1/(AC12+AC23+AC45)、CT4/(AC12+AC45)、TL/AC34、 (CT1+CT4+CT5) comparison sheet of/CT3 and AAG/AC34 value.

Figure 35 represents a structural representation of the portable electronic devices according to one embodiment of the invention.

Figure 36 represents a structural representation of the portable electronic devices according to another embodiment of the present invention.

[symbol description]

1,2,3,4,5,6,7,8 optical imaging lens

20,20' portable electronic devices

21 casing

22 image modules

23 lens barrels

24 module rear seat unit

100,200,300,400,500,600,700,800 apertures

110,210,310,410,510,610,710,810 first lens

111,121,131,141,151,161,211,221,231,241,251,261,311,321,331,341,351, 361,411,421,431,441,451,461,511,521,531,541,551,561,611,621,631,641,651,661, 711,721,731,741,751,761,811,821,831,841,851,861 thing sides

112,122,132,142,152,162,212,222,232,242,252,262,312,322,332,342,352, 362,412,422,432,442,452,462,512,522,532,542,552,562,612,622,632,642,652,662, 712,722,732,742,752,762,812,822,832,842,852,862 image side surface

120,220,320,420,520,620,720,820 second lens

130,230,330,430,530,630,730,830 the 3rd lens

140,240,340,440,540,640,740,840 the 4th lens

150,250,350,450,550,650,750,850 the 5th lens

160,260,360,460,560,660,760,860 optical filtering parts

170,270,370,470,570,670,770,870 imaging surfaces

171 image sensors

172 substrates

2401 camera lens back seats

2402 First body units

2403 second pedestal unit

2404 coils

2405 magnet assemblies

2406 image sensor back seats

1111,1311,1421,1511,2111,2421,2511,3111,3421,3511,4111,4311,4421, 4511,5111,5421,5511,6111,6311,6421,6511,7111,7421,7511,8 111,8421,8511 are positioned at light The convex surface part of axle near zone

1312,1422,1512,2512,3422,3512,4312,4422,4512,5422,5512,6312,6422, 7422,7512,8422,8512 concave part being positioned at circumference near zone

1321,1521,2321,2521,3321,3521,4321,4521,5321,5521,6321,6521,7321, 7521,8321,8521 concave part being positioned at optical axis near zone

1322,1522,2322,2522,3322,3522,4322,4522,5322,5522,6512,6322,6522, 7322,7522,8322,8522 convex surface part being positioned at circumference near zone

6513 concave part between optical axis near zone and circumference near zone

D1, d2, d3, d4, d5, d6 the air gap

A1 thing side

A2 image side

I optical axis

I-I' axis

A, B, C, E region

Detailed description of the invention

For further illustrating each embodiment, the present invention is provided with accompanying drawing.These a little accompanying drawings are the invention discloses content one Point, it is mainly in order to embodiment to be described, and associated description can be coordinated in description to explain the operation principles of embodiment.Coordinate With reference to these contents, one skilled in the art will be understood that other possible embodiments and advantages of the present invention. Assembly in figure is not necessarily to scale, and similar element numbers is conventionally used to indicate similar assembly.

" lens have positive refractive index (or negative refractive index) " that this description is sayed, refers to that described lens are positioned at optical axis For near zone has positive refractive index (or negative refractive index)." the thing side (or image side surface) of lens includes being positioned at certain region Convex surface part (or concave part) ", refer to this region compared to the exterior lateral area being radially close to this region, towards being parallel to optical axis For direction more " outwardly convex " (or " caving inward ").As a example by Fig. 1, wherein I is optical axis and this lens are with this light Axle I is that axis of symmetry is radially symmetrical, and the thing side of these lens has convex surface part in a-quadrant, B region has concave part and C Region has convex surface part, and reason is a-quadrant compared to the exterior lateral area (i.e. B region) being radially close to this region, towards parallel In the direction of optical axis more outwardly convex, B region then more caves inward compared to C region, and C region is compared to E region also In like manner more outwardly convex." it is positioned at circumference near zone ", refers to be positioned on lens and be intended for curved surface that imaging light passes through Being positioned at circumference near zone, that is the C region in figure, wherein, imaging light includes chief ray (chief ray) Lc and edge Light (marginal ray) Lm." it is positioned at optical axis near zone " and refers to that this is intended near the optical axis of the curved surface that imaging light passes through A-quadrant in region, that is figure.Additionally, these lens also comprise an extension E, it is loaded on an optical imagery with for this battery of lens In camera lens, preferable imaging light can't be by this extension E, but the structure of this extension E and shape are not limited to this, with Under embodiment be ask accompanying drawing the most all eliminate part extension.

The optical imaging lens of the present invention, be by one first lens sequentially arranged along an optical axis from thing side to image side, one Second lens, one the 3rd lens, one the 4th lens and one the 5th lens are constituted, and each lens have one towards thing side and to be made into The thing side passed through as light and one is towards image side and the image side surface that makes imaging light pass through.The optical imaging lens of the present invention is total Only have five lens with refractive index altogether, configured by the detail characteristic and/or refractive index designing each lens, and meet following Conditional, and good optical property can be provided, and shorten lens length:

TL/CT5 7.80 conditional (1),

TL is the distance between the first lens thing side to the 5th lens image side surface on optical axis, and CT5 is that the 5th lens exist Thickness on optical axis.In the present invention, optical imaging lens only has five lens with refractive index altogether.The most detailed Ground is said, the detail characteristic of each lens is as follows: the thing side of the first lens includes a convex surface part being positioned at optical axis near zone；Second Lens have positive refractive index；The image side surface of the 4th lens includes a convex surface part being positioned at optical axis near zone；And the 5th lens Image side surface includes that a concave part being positioned at optical axis near zone and is positioned at the convex surface part of circumference near zone.

The characteristic of the aforementioned each eyeglass designed at this mainly considers optical characteristics and the lens length of optical imaging lens, For example: the positive refractive index of the second lens can increase light gathering, if collocation is placed in the aperture before these first lens again, can Effectively to shorten the system length of optical imaging lens.Merge each detailed design on lens surface, such as: be formed at the first lens The convex surface part being positioned at optical axis near zone of thing side, be formed on the image side surface of the 4th lens be positioned at optical axis near zone Convex surface part and be formed at the concave part being positioned at optical axis near zone on the image side surface of the 5th lens and be positioned at circumference near zone Convex surface part, it will help revise aberration to improve image quality.Therefore, common aforementioned detailing of arranging in pairs or groups, the present invention up to Effect to the image quality of raising system.

Secondly, the present invention optionally controls the ratio of partial parameters and meets other conditional, such as:

The air gap width (representing with AC23) that controls between the second lens and the 3rd lens on optical axis, the 3rd saturating Air gap width (representing with AC34) on optical axis and the 3rd lens thickness on optical axis between mirror and the 4th lens (representing with CT3) meets

1.10 (AC23+AC34)/CT3 conditional (2)；

Or control between TL and the first lens and the 5th lens four the air gaps width summation on optical axis (representing with AAG) meets

4.30 TL/AAG conditionals (3)；

Or control CT3, CT5 and first lens thickness (representing with CT1) on optical axis meet

3.75 (CT1+CT5)/CT3 conditional (4)；

Or control TL, between the first lens and this second lens the air gap width on optical axis (with AC12 table Show) and the 4th lens and the 5th lens between air gap width (representing with AC45) on optical axis meet

9.80 TL/ (AC12+AC23+AC45) conditional (5)；

Or it is satisfied with AC45 to control CT5, AC12, AC23

1.85 CT5/ (AC12+AC23+AC45) conditional (6)；

Or control CT3 and the 4th lens thickness (representing with CT4) on optical axis meet

1.60 CT4/CT3 3.40 conditional (7)；

Or it is satisfied with AC45 to control AC12, AC23

AC23/ (AC12+AC45) 2.00 conditional (8)；

Or it is satisfied with AC45 to control AC12, AC23, AC34

1.60 AC34/ (AC12+AC23+AC45) conditional (9)；

Or it is satisfied with AC45 to control CT1, AC12, AC23

1.80 CT1/ (AC12+AC23+AC45) conditional (10)；

Or it is satisfied with AC34 to control CT4, AC12

5.50 CT4/ (AC12+AC45) conditional (11)；

Or it is satisfied to control TL Yu AC34

TL/AC34 10.30 conditional (12)；

Or it is satisfied with CT5 to control CT1, CT3, CT4

4.00 (CT1+CT4+CT5)/CT3 conditional (13)；

Or it is satisfied to control AAG Yu AC23

AAG/AC34 1.60 conditional (14).

Aforementioned listed exemplary qualifications formula also can optionally merge and is applied in embodiments of the invention, It is not limited to this.

In conditional (1), the design of TL/CT5 value is to be conceived to shorten TL may consequently contribute to lens length and shorten, but the 5th Lens are difficult to shorten because its optics effective diameter is relatively big, to such an extent as to the reducible amplitude of its thickness is less, therefore can be easier to change The parameter of variable value size, such as TL herein, and less likely changes the parameter of numerical value, such as CT5 herein, between ratio, i.e. TL/CT5 value, meets certain condition, effectively shortens controlling TL with CT5 value.It is known that work as and meet conditional from above-mentioned (1), time, CT5 with TL value can fall and make lens length reduce in suitable length range.It is preferred that TL/CT5 value can be further Limited by a lower limit, such as: 4.0 TL/CT5 7.8.

In conditional (2), the design of (AC23+AC34)/CT3 value is to be conceived to the 3rd lens because of its optics effective diameter relatively Little and bigger amplitude can shorten its thickness, to reach to shorten the purpose of lens length, therefore when meeting conditional (2), CT3, AC23, AC34 value has and preferably configures.It is preferred that (AC23+AC34)/CT3 value can further by a ceiling restriction, As: 1.10 (AC23+AC34)/CT3 2.50.

In conditional (3), although the design of TL/AAG value is conceived to AAG value and each lens thickness all can be towards thinning Direction is designed to shorten lens length, but in view of the degree of difficulty assembled and precision, the air gap cannot be overflow and unrestrictedly be contracted Short, therefore when meeting conditional (3), each lens thickness and each the air gap have and preferably configure.It is preferred that TL/AAG value Can be further by a ceiling restriction, such as: 4.30 TL/AAG 6.60.

In conditional (4), the design of (CT1+CT5)/CT3 value be conceived to the 5th lens because of its optics effective diameter bigger And be difficult to shorten, to such an extent as to the reducible amplitude of its thickness is less, and the 3rd lens make it thick because its optics effective diameter is less Spending reducible amplitude relatively big, therefore when meeting conditional (4), CT1, CT3, CT5 value has and preferably configures.It is preferred that (CT1+CT5)/CT3 value can be further by a ceiling restriction, such as: 3.75 (CT1+CT5)/CT3 6.00.

In conditional (5), TL/ (AC12+AC23+AC45) although the design of value be conceived to each the air gap all can court Thinning direction is designed to shorten lens length, but in view of the degree of difficulty assembled and precision, it is impossible to overflow and unrestrictedly shorten, Therefore when meeting conditional (5), TL, AC12, AC23 have with AC45 value and preferably configure, and make overall camera lens shorten.Preferably Ground, TL/ (AC12+AC23+AC45) value can be further by a ceiling restriction, such as: 9.80 TL/ (AC12+AC23+AC45) 17.00。

In conditional (6), the design of CT5/ (AC12+AC23+AC45) value is to be conceived to the width that the 5th lens can shorten Spend less, so when meeting conditional (6), CT5, AC12, AC23 have with AC45 and preferably configure.It is preferred that CT5/ (AC12+AC23+AC45) value can be further by a ceiling restriction, such as: 1.85 CT5/ (AC12+AC23+AC45) 3.70.

In conditional (7), the design of CT4/CT3 value is optics effective diameter relatively the 4th lens being conceived to the 3rd lens Little so that it is the amplitude that thickness can shorten is big compared with the 4th lens, but the thickness of the 3rd lens can not unrestrictedly reduce, and otherwise can Increase the degree of difficulty made, therefore when meeting conditional (7), the thickness of the 3rd lens and the 4th lens can be made to have preferably Configuration.

In conditional (8), the design of AC23/ (AC12+AC45) value is to be conceived to AC12 and AC45 value contracting in the present invention Little amplitude is relatively big, and therefore when meeting conditional (8), AC12, AC23 and AC45 value has and preferably configures, makes lens length Effectively shorten.It is preferred that AC23/ (AC12+AC45) value can be limited by a lower limit, such as further: 0.20 AC23/ (AC12+ AC45)≦2.00。

In conditional (9), AC34/ (AC12+AC23+AC45) is if the design of value is to be conceived to effectively shorten each lens Between the air gap, then can shorten lens length under conditions of good image quality maintaining, and compared to AC34 value for, The amplitude that AC12, AC23 and AC45 value shortens is relatively big, therefore when meeting conditional (9), each the air gap can be made to have preferably Configuration.It is preferred that AC34/ (AC12+AC23+AC45) value can be further by a ceiling restriction, such as: 1.60 AC34/ (AC12 +AC23+AC45)≦3.40。

In conditional (10), the design of CT1/ (AC12+AC23+AC45) value be conceived to compared to CT1 value for, The amplitude that AC12, AC23 and AC45 value shortens is relatively big, therefore when meeting conditional (10), can make CT1, AC12, AC23 and AC45 value has and preferably configures.It is preferred that CT1/ (AC12+AC23+AC45) value can be further by a ceiling restriction, such as: 1.80 ≦CT1/(AC12+AC23+AC45)≦3.50。

In conditional (11), the design of CT4/ (AC12+AC45) value be conceived to compared to CT4 value for, AC12 and The amplitude that AC45 value shortens is relatively big, so when meeting conditional (11), CT4, AC12 and AC45 value being made to have and preferably join Put.It is preferred that CT4/ (AC12+AC45) value can be further by a ceiling restriction, such as: 5.50 CT4/ (AC12+AC45) 6.90。

In conditional (12), the design of TL/AC34 value be conceived to AC34 value shorten amplitude less, therefore when meet During conditional (12), TL with AC34 value has and preferably configures.It is preferred that TL/AC34 value can be limited by a lower limit further, As: 6.00 TL/AC34 10.30.

In conditional (13), the design of (CT1+CT4+CT5)/CT3 value be conceived to the 3rd lens because of its optics effective Footpath is less, so the amplitude that its thickness can shorten is relatively big, otherwise, the 4th lens and the 5th lens are effective because having bigger optics Footpath, and the first lens need to have certain thickness to be beneficial to effective optically focused so that the first lens, the 4th lens and the thickness of the 5th lens The amplitude that degree can shorten is less, therefore when meeting conditional (13), CT1, CT3, CT4 can be made to have with CT5 value and preferably join Put, so that lens length shortens.It is preferred that (CT1+CT4+CT5)/CT3 value can be further by a ceiling restriction, such as: 4.00 (CT1+CT4+CT5)/CT3≦8.50。

In conditional (14), the design of AAG/AC34 value is that to be conceived to the amplitude that AC34 value can shorten less, therefore when When meeting conditional (14), AAG with AC34 value can be made to have and preferably to configure, so that lens length shortens.It is preferred that AAG/ AC34 value can be limited by a lower limit, such as further: 1.10 AAG/AC34 1.60.

Implement the present invention time, in addition to above-mentioned conditional, also can for single lens or popularity for multiple Lens additional designs goes out thin portion structure, refractive index and/or the limits of aperture position such as the concave-convex curved surface arrangement of other more lens Fixed condition, to strengthen systematic function and/or the control of resolution.For example, the position of aperture can be defined to first Before lens, the right present invention is not limited to this.It is noted that the characteristics such as this little thin portions structure, refractive index and/or aperture position Need to optionally merge and be applied in the middle of other embodiments of the present invention under conflict free situation.

In order to illustrate that the present invention can shorten lens length really while providing good optical property, presented below Multiple embodiments and its detailed optical data.First please also refer to Fig. 2 to Fig. 5, wherein Fig. 2 represents according to the present invention's The cross-sectional view of five chip lens of the optical imaging lens of first embodiment, Fig. 3 represents first according to the present invention The longitudinal spherical aberration of the optical imaging lens of embodiment and every aberration diagram schematic diagram, Fig. 4 represents the first enforcement according to the present invention The detailed optical data of the optical imaging lens of example, Fig. 5 represents each of foundation first embodiment of the present invention optical imaging lens The aspherical surface data of eyeglass.As shown in Figure 2, the optical imaging lens 1 of the present embodiment sequentially includes to image side A2 from thing side A1 One aperture (aperture stop) 100,1 first lens 110,1 second lens 120, the 3rd lens 130, the 4th lens 140 and one the 5th lens 150.One imaging surface 170 of one optical filtering part 160 and an image sensor is all arranged at optical imaging lens The image side A2 of 1.Optical filtering part 160 is illustratively an infrared filter (IR cut filter) at this, is located at the 5th lens Between 150 and imaging surface 170, the light through optical imaging lens 1 is filtered out the wavelength of specific band by optical filtering part 160, such as: mistake Filter infrared ray wave band, the wavelength of the infrared ray wave band that human eye can't see can be made will not to image on imaging surface 170.

Each lens of optical imaging lens 1 are exemplarily constituted with plastic material at this, form thin portion structure as follows:

First lens 110 have a positive refractive index, and have a thing side 111 towards thing side A1 and towards image side A2's Image side surface 112.Thing side 111 and image side surface 112 are all a convex surface, and thing side 111 further includes one and is positioned at optical axis near zone Convex surface part 1111.

Second lens 120 have a positive refractive index, and have a thing side 121 towards thing side A1 and towards image side A2's Image side surface 122.Thing side 121 is a concave surface, and image side surface 122 is a convex surface.

3rd lens 130 have a negative refractive index, and have a thing side 131 towards thing side A1 and towards image side A2's Image side surface 132.Thing side 131 includes that a convex surface part 1311 and being positioned at optical axis near zone is positioned at the recessed of circumference near zone Face 1312.Image side surface 132 includes that a concave part 1321 and being positioned at optical axis near zone is positioned at the convex of circumference near zone Face 1322.

4th lens 140 have positive refractive index, and have a thing side 141 towards thing side A1 and have one towards image side The image side surface 142 of A2.Thing side 141 is a concave surface, image side surface 142 include a convex surface part 1421 being positioned at optical axis near zone and One concave part 1422 being positioned at circumference near zone.

5th lens 150 have a negative refractive index, and have a thing side 151 towards thing side A1 and towards image side A2's Image side surface 152.Thing side 151 includes that a convex surface part 1511 and being positioned at optical axis near zone is positioned at the recessed of circumference near zone Face 1512.Image side surface 152 includes that a concave part 1521 and being positioned at optical axis near zone is positioned at the convex of circumference near zone Face 1522.

In the present embodiment, each lens 110,120,130,140,150, optical filtering part 160 and the one-tenth of image sensor are designed All there is the air gap between image planes 170, such as: exist between the first lens 110 and the second lens 120 the air gap d1, second There is the air gap d2 between lens 120 and the 3rd lens 130, exist between air between the 3rd lens 130 and the 4th lens 140 Gap d3, there is the air gap d4 between the 4th lens 140 and the 5th lens 150, deposit between the 5th lens 150 and optical filtering part 160 The air gap d6 is there is between the imaging surface 170 of the air gap d5 and optical filtering part 160 and image sensor, but at other In embodiment, also can not have aforementioned any of which the air gap, such as: be phase each other by the surface profile design of two relative lens Should, and can fit each other, to eliminate the air gap therebetween.It follows that between the first lens 110 and the second lens 120 The air gap d1 is AC12, the air gap d2 between the second lens 120 and the 3rd lens 130 is AC23, the 3rd lens 130 and the 4th the air gap d3 between lens 140 are AC34 and air between the 4th lens 140 and the 5th lens 150 Gap d 4 is AC45, and d1, d2, d3, d4 and be AAG.

About each optical characteristics and the width of each the air gap of each lens in the optical imaging lens 1 of the present embodiment, Refer to Fig. 4, wherein TL/CT5, (AC23+AC34)/CT3, TL/AAG, (CT1+CT5)/CT3, TL/ (AC12+AC23+ AC45)、CT5/(AC12+AC23+AC45)、CT4/CT3、AC23/(AC12+AC45)、AC34/(AC12+AC23+AC45)、 CT1/ (AC12+AC23+AC45), CT4/ (AC12+AC45), TL/AC34, (CT1+CT4+CT5)/CT3 and AAG/AC34 value point It is not:

TL/CT5=4.41, meets conditional (1) really；

(AC23+AC34)/CT3=2.06, meets conditional (2) really；

TL/AAG=4.78, meets conditional (3) really；

(CT1+CT5)/CT3=4.59, meets conditional (4) really；

TL/ (AC12+AC23+AC45)=12.75, meets conditional (5) really；

CT5/ (AC12+AC23+AC45)=2.89, meets conditional (6) really；

CT4/CT3=2.65, meets conditional (7) really；

AC23/ (AC12+AC45)=0.98, meets conditional (8) really；

AC34/ (AC12+AC23+AC45)=1.67, meets conditional (9) really；

CT1/ (AC12+AC23+AC45)=1.93, meets conditional (10) really；

CT4/ (AC12+AC45)=5.50, meets conditional (11) really；

TL/AC34=7.65, meets conditional (12) really；

(CT1+CT4+CT5)/CT3=7.24, meets conditional (13) really；

AAG/AC34=1.60, meets conditional (14) really.

It is 3.77mm from first lens thing side 111 to the imaging surface 170 thickness on optical axis, really shortens optical imagery The lens length of camera lens 1.

The thing side 111 of the first lens 110 and the thing side 121 of image side surface the 112, second lens 120 and image side surface 122, The thing side 131 of the 3rd lens 130 and the thing side 141 of image side surface the 132, the 4th lens 140 and image side surface the 142, the 5th lens The thing side 151 of 150 and image side surface 152, ten aspheric surfaces are all to define according to following aspheric curve formula altogether:

$Z\left(Y\right)=\frac{Y^2}{R}/(1+\sqrt{1-(1+K)\frac{Y^2}{R^2}})+\underset{i=1}{\overset{n}{\mathrm{\Σ}}}{a}_{2i}\×Y^{2i}$

Wherein:

R represents the radius of curvature of lens surface；

Z represent the aspheric degree of depth (in aspheric surface, distance optical axis is the point of Y, its be tangential on summit on aspheric surface optical axis Tangent plane, vertical dimension between the two)；

Y represents the vertical dimension of the point on non-spherical surface and optical axis；

K is conical surface coefficient (Conic Constant)；

a_2iIt it is 2i rank asphericity coefficient.

Each aspheric parameter detailed data is please also refer to Fig. 5.

On the other hand, it can be seen that at the longitudinal spherical aberration (longitudinal of the present embodiment in the middle of Fig. 3 Spherical aberration) in (a), the skewness magnitude level of each curve can be seen that the imaging of the Off-axis-light of differing heights Point deviation controls within ± 0.02mm, therefore this first preferred embodiment is obviously improved the spherical aberration of different wave length really.

Astigmatic image error (astigmatism aberration) (b), meridian in the sagitta of arc (sagittal) direction (tangential), in two astigmatic image error diagrams of the astigmatic image error (c) in direction, three kinds represent wavelength in whole field range In focal length variations amount fall in ± 0.08mm, illustrate that the optical imaging lens 1 of the first preferred embodiment can effectively eliminate aberration.

Distortion aberration (distortion aberration) (d) then shows that the distortion aberration of optical imaging lens 1 maintains In the range of ± 2%, illustrate that the distortion aberration of optical imaging lens 1 has met the image quality requirement of optical system, illustrate accordingly The optical imaging lens 1 of this first preferred embodiment, compared to existing optical lens, has foreshortened to 3.77mm's in system length Under the conditions of, remain to effectively overcome chromatic aberration and preferably image quality is provided, therefore this first preferred embodiment can remain good Under conditions of optical property, shorten lens length to realize the product design of more slimming.

Therefore, the optical imaging lens 1 of the present embodiment is at longitudinal spherical aberration, the astigmatic image error in sagitta of arc direction, meridian direction The performance of astigmatic image error or distortion aberration is the best.By in above-mentioned it is known that the optical imaging lens 1 of the present embodiment Really can maintain favorable optical performance, and effectively shorten lens length.

Separately please also refer to Fig. 6 to Fig. 9, wherein Fig. 6 represents the optical imaging lens according to the second embodiment of the present invention The cross-sectional view of five chip lens, Fig. 7 represents the longitudinal direction according to second embodiment of the present invention optical imaging lens Spherical aberration and every aberration diagram schematic diagram, Fig. 8 represents the detailed optical of the optical imaging lens according to the second embodiment of the present invention Data, Fig. 9 represents the aspherical surface data of each eyeglass of the optical imaging lens according to the second embodiment of the present invention.In this enforcement Using the label similar with first embodiment to indicate similar assembly in example, label the most as used herein beginning changes 2 into, such as 3rd lens thing side is 231, and the 3rd lens image side surface is 232, and other reference numerals does not repeats them here.As shown in Figure 6, The optical imaging lens 2 of the present embodiment sequentially includes aperture 200,1 first lens 210,1 second from thing side A1 to image side A2 Lens 220,1 the 3rd lens 230, the 4th lens 240 and one the 5th lens 250.

First lens the 210, second lens the 220, the 3rd lens the 230, the 4th lens 240 and the 5th lens of the second embodiment The refractive index of 250 and include the thing side 211,221,241,251 towards thing side A1 and towards image side A2 image side surface 212, 222, the concavo-convex configuration of each lens surface of 232,252 is all similar with first embodiment, each lens surface of the only second embodiment The concave-convex surface configuration of radius of curvature, lens thickness, air gap width and thing side 231 and image side surface 242 real with first Execute example different.In detail, the thing side 231 of the 3rd lens 230 is a concave surface, and the image side surface 242 of the 4th lens 240 is one convex Face, and include a convex surface part 2421 being positioned at optical axis near zone.Each lens about the optical imaging lens 2 of the present embodiment Each optical characteristics and the width of each the air gap, refer to Fig. 8, wherein TL/CT5, (AC23+AC34)/CT3, TL/AAG, (CT1 +CT5)/CT3、TL/(AC12+AC23+AC45)、CT5/(AC12+AC23+AC45)、CT4/CT3、AC23/(AC12+AC45)、 AC34/(AC12+AC23+AC45)、CT1/(AC12+AC23+AC45)、CT4/(AC12+AC45)、TL/AC34、(CT1+CT4+ CT5)/CT3 and AAG/AC34 value is respectively as follows:

TL/CT5=7.79, meets conditional (1) really；

(AC23+AC34)/CT3=1.70, meets conditional (2) really；

TL/AAG=5.37, meets conditional (3) really；

(CT1+CT5)/CT3=3.77, meets conditional (4) really；

TL/ (AC12+AC23+AC45)=14.41, meets conditional (5) really；

CT5/ (AC12+AC23+AC45)=1.85, meets conditional (6) really；

CT4/CT3=3.42；

AC23/ (AC12+AC45)=0.39, meets conditional (8) really；

AC34/ (AC12+AC23+AC45)=1.68, meets conditional (9) really；

CT1/ (AC12+AC23+AC45)=2.51, meets conditional (10) really；

CT4/ (AC12+AC45)=5.50, meets conditional (11) really；

TL/AC34=8.56, meets conditional (12) really；

(CT1+CT4+CT5)/CT3=7.19, meets conditional (13) really；

AAG/AC34=1.59, meets conditional (14) really.

It is 4.45mm from first lens thing side 211 to the imaging surface 270 thickness on optical axis, really shortens optical imagery The lens length of camera lens 2.

On the other hand, it can be seen that the optical imaging lens 2 of the present embodiment is in longitudinal spherical aberration (a), the sagitta of arc in the middle of Fig. 7 The performance of the astigmatic image error (b) in direction, the astigmatic image error (c) of meridian direction or distortion aberration (d) is the best.Therefore, by It is known that the optical imaging lens 2 of the present embodiment can maintain favorable optical performance really in above-mentioned, and it is long effectively to shorten camera lens Degree.

Separately please also refer to Figure 10 to Figure 13, wherein Figure 10 represents the optical imaging lens according to the third embodiment of the present invention The cross-sectional view of five chip lens of head, Figure 11 represents indulging according to third embodiment of the present invention optical imaging lens To spherical aberration and every aberration diagram schematic diagram, Figure 12 represents the detailed light of the optical imaging lens according to the third embodiment of the present invention Learning data, Figure 13 represents the aspherical surface data of each eyeglass of the optical imaging lens according to the third embodiment of the present invention.At this Using the label similar with first embodiment to indicate similar assembly in embodiment, label the most as used herein beginning changes 3 into, Such as the 3rd lens thing side is 331, and the 3rd lens image side surface is 332, and other reference numerals does not repeats them here.In Figure 10 Shown in, the optical imaging lens 3 of the present embodiment from thing side A1 to image side A2 sequentially include aperture 300,1 first lens 310, One second lens 320, the 3rd lens 330, the 4th lens 340 and one the 5th lens 350.

First lens the 310, second lens the 320, the 3rd lens the 330, the 4th lens 340 and the 5th lens of the 3rd embodiment The refractive index of 350 and include the thing side 311,321,341,351 towards thing side A1 and towards image side A2 image side surface 312, 322, the concavo-convex configuration of the lens surfaces such as 332,342,352 is all similar with first embodiment, each lens measure of the only the 3rd embodiment The concave-convex surface configuration of the radius of curvature in face, lens thickness, air gap width and thing side 331 is different from first embodiment. In detail, the thing side 331 of the 3rd lens 330 is a concave surface.Each lens about the optical imaging lens 3 of the present embodiment Each optical characteristics and the width of each the air gap, refer to Figure 12, wherein TL/CT5, (AC23+AC34)/CT3, TL/AAG, (CT1+CT5)/CT3、TL/(AC12+AC23+AC45)、CT5/(AC12+AC23+AC45)、CT4/CT3、AC23/(AC12+ AC45)、AC34/(AC12+AC23+AC45)、CT1/(AC12+AC23+AC45)、CT4/(AC12+AC45)、TL/AC34、(CT1 + CT4+CT5)/CT3 and AAG/AC34 value is respectively as follows:

TL/CT5=4.85, meets conditional (1) really；

(AC23+AC34)/CT3=1.10, meets conditional (2) really；

TL/AAG=6.31, meets conditional (3) really；

(CT1+CT5)/CT3=3.75, meets conditional (4) really；

TL/ (AC12+AC23+AC45)=16.84, meets conditional (5) really；

CT5/ (AC12+AC23+AC45)=3.47, meets conditional (6) really；

CT4/CT3=2.17, meets conditional (7) really；

AC23/ (AC12+AC45)=0.42, meets conditional (8) really；

AC34/ (AC12+AC23+AC45)=1.67, meets conditional (9) really；

CT1/ (AC12+AC23+AC45)=3.22, meets conditional (10) really；

CT4/ (AC12+AC45)=5.50, meets conditional (11) really；

TL/AC34=10.10, meets conditional (12) really；

(CT1+CT4+CT5)/CT3=5.92, meets conditional (13) really；

AAG/AC34=1.60, meets conditional (14) really.

It is 3.93mm from first lens thing side 311 to the imaging surface 370 thickness on optical axis, really shortens optical imagery The lens length of camera lens 3.

On the other hand, it can be seen that the optical imaging lens 3 of the present embodiment is in longitudinal spherical aberration (a), the sagitta of arc in the middle of Figure 11 The performance of the astigmatic image error (b) in direction, the astigmatic image error (c) of meridian direction or distortion aberration (d) is the best.Therefore, by It is known that the optical imaging lens 3 of the present embodiment can maintain favorable optical performance really in above-mentioned, and it is long effectively to shorten camera lens Degree.

Separately please also refer to Figure 14 to Figure 17, wherein Figure 14 represents the optical imaging lens according to the fourth embodiment of the present invention The cross-sectional view of five chip lens of head, Figure 15 represents indulging according to fourth embodiment of the present invention optical imaging lens To spherical aberration and every aberration diagram schematic diagram, Figure 16 represents the detailed light of the optical imaging lens according to the fourth embodiment of the present invention Learning data, Figure 17 represents the aspherical surface data of each eyeglass of the optical imaging lens according to the fourth embodiment of the present invention.At this Using the label similar with first embodiment to indicate similar assembly in embodiment, label the most as used herein beginning changes 4 into, Such as the 3rd lens thing side is 431, and the 3rd lens image side surface is 432, and other reference numerals does not repeats them here.In Figure 14 Shown in, the optical imaging lens 4 of the present embodiment from thing side A1 to image side A2 sequentially include aperture 400,1 first lens 410, One second lens 420, the 3rd lens 430, the 4th lens 440 and one the 5th lens 450.

First lens the 410, second lens the 420, the 3rd lens the 430, the 4th lens 440 and the 5th lens of the 4th embodiment The refractive index of 450 and include the thing side 411,421,431,441,451 towards thing side A1 and the image side surface towards image side A2 412, the concavo-convex configuration of the lens surfaces such as 422,432,442,452 is all similar with first embodiment, the only the 4th embodiment each The radius of curvature on mirror surface, lens thickness and air gap width are different from first embodiment.Light about the present embodiment studies Each optical characteristics of each lens of picture camera lens 4 and the width of each the air gap, refer to Figure 16, wherein TL/CT5, (AC23+ AC34)/CT3、TL/AAG、(CT1+CT5)/CT3、TL/(AC12+AC23+AC45)、CT5/(AC12+AC23+AC45)、CT4/ CT3、AC23/(AC12+AC45)、AC34/(AC12+AC23+AC45)、CT1/(AC12+AC23+AC45)、CT4/(AC12+ AC45), TL/AC34, (CT1+CT4+CT5)/CT3 and AAG/AC34 value are respectively as follows:

TL/CT5=5.04, meets conditional (1) really；

(AC23+AC34)/CT3=2.27, meets conditional (2) really；

TL/AAG=4.30, meets conditional (3) really；

(CT1+CT5)/CT3=4.16, meets conditional (4) really；

TL/ (AC12+AC23+AC45)=13.24, meets conditional (5) really；

CT5/ (AC12+AC23+AC45)=2.63, meets conditional (6) really；

CT4/CT3=2.46, meets conditional (7) really；

AC23/ (AC12+AC45)=0.98, meets conditional (8) really；

AC34/ (AC12+AC23+AC45)=2.08, meets conditional (9) really；

CT1/ (AC12+AC23+AC45)=2.09, meets conditional (10) really；

CT4/ (AC12+AC45)=5.51, meets conditional (11) really；

TL/AC34=6.37, meets conditional (12) really；

(CT1+CT4+CT5)/CT3=6.63, meets conditional (13) really；

AAG/AC34=1.48, meets conditional (14) really.

It is 3.93mm from first lens thing side 411 to the imaging surface 470 thickness on optical axis, really shortens optical imagery The lens length of camera lens 4.

On the other hand, it can be seen that the optical imaging lens 4 of the present embodiment is in longitudinal spherical aberration (a), the sagitta of arc in the middle of Figure 15 The performance of the astigmatic image error (b) in direction, the astigmatic image error (c) of meridian direction or distortion aberration (d) is the best.Therefore, by It is known that the optical imaging lens 4 of the present embodiment can maintain favorable optical performance really in above-mentioned, and it is long effectively to shorten camera lens Degree.

Separately please also refer to Figure 18 to Figure 21, wherein Figure 18 represents the optical imaging lens according to the fifth embodiment of the present invention The cross-sectional view of five chip lens of head, Figure 19 represents indulging according to fifth embodiment of the present invention optical imaging lens To spherical aberration and every aberration diagram schematic diagram, Figure 20 represents the detailed light of the optical imaging lens according to the fifth embodiment of the present invention Learning data, Figure 21 represents the aspherical surface data of each eyeglass of the optical imaging lens according to the fifth embodiment of the present invention.At this Using the label similar with first embodiment to indicate similar assembly in embodiment, label the most as used herein beginning changes 5 into, Such as the 3rd lens thing side is 531, and the 3rd lens image side surface is 532, and other reference numerals does not repeats them here.In Figure 18 Shown in, the optical imaging lens 5 of the present embodiment from thing side A1 to image side A2 sequentially include aperture 500,1 first lens 510, One second lens 520, the 3rd lens 530, the 4th lens 540 and one the 5th lens 550.

First lens the 510, second lens the 520, the 3rd lens the 530, the 4th lens 540 and the 5th lens of the 5th embodiment The refractive index of 550 and include the thing side 511,521,541,551 towards thing side A1 and towards image side A2 image side surface 512, 522, the concavo-convex configuration of the lens surface of 532,542,552 is all similar with first embodiment, each lens measure of the only the 5th embodiment The concave-convex surface configuration of the radius of curvature in face, lens thickness, air gap width and thing side 531 is different from first embodiment. In detail, the thing side 531 of the 3rd lens 530 is a concave surface.Each lens about the optical imaging lens 5 of the present embodiment Each optical characteristics and the width of each the air gap, refer to Figure 20, wherein TL/CT5, (AC23+AC34)/CT3, TL/AAG, (CT1+CT5)/CT3、TL/(AC12+AC23+AC45)、CT5/(AC12+AC23+AC45)、CT4/CT3、AC23/(AC12+ AC45)、AC34/(AC12+AC23+AC45)、CT1/(AC12+AC23+AC45)、CT4/(AC12+AC45)、TL/AC34、(CT1 + CT4+CT5)/CT3 and AAG/AC34 value is respectively as follows:

TL/CT5=5.04, meets conditional (1) really；

(AC23+AC34)/CT3=2.13, meets conditional (2) really；

TL/AAG=4.30, meets conditional (3) really；

(CT1+CT5)/CT3=3.88, meets conditional (4) really；

TL/ (AC12+AC23+AC45)=12.59, meets conditional (5) really；

CT5/ (AC12+AC23+AC45)=2.50, meets conditional (6) really；

CT4/CT3=2.31, meets conditional (7) really；

AC23/ (AC12+AC45)=1.07, meets conditional (8) really；

AC34/ (AC12+AC23+AC45)=1.93, meets conditional (9) really；

CT1/ (AC12+AC23+AC45)=1.95, meets conditional (10) really；

CT4/ (AC12+AC45)=5.50, meets conditional (11) really；

TL/AC34=6.54, meets conditional (12) really；

(CT1+CT4+CT5)/CT3=6.19, meets conditional (13) really；

AAG/AC34=1.52, meets conditional (14) really.

It is 3.94mm from first lens thing side 511 to the imaging surface 570 thickness on optical axis, really shortens optical imagery The lens length of camera lens 5.

On the other hand, it can be seen that the optical imaging lens 5 of the present embodiment is in longitudinal spherical aberration (a), the sagitta of arc in the middle of Figure 19 The performance of the astigmatic image error (b) in direction, the astigmatic image error (c) of meridian direction or distortion aberration (d) is the best.Therefore, by It is known that the optical imaging lens 5 of the present embodiment can maintain favorable optical performance really in above-mentioned, and it is long effectively to shorten camera lens Degree.

Separately please also refer to Figure 22 to Figure 25, wherein Figure 22 represents the optical imaging lens according to the sixth embodiment of the present invention The cross-sectional view of five chip lens of head, Figure 23 represents indulging according to sixth embodiment of the present invention optical imaging lens To spherical aberration and every aberration diagram schematic diagram, Figure 24 represents the detailed light of the optical imaging lens according to the sixth embodiment of the present invention Learning data, Figure 25 represents the aspherical surface data of each eyeglass of the optical imaging lens according to the sixth embodiment of the present invention.At this Using the label similar with first embodiment to indicate similar assembly in embodiment, label the most as used herein beginning changes 6 into, Such as the 3rd lens thing side is 631, and the 3rd lens image side surface is 632, and other reference numerals does not repeats them here.In Figure 22 Shown in, the optical imaging lens 6 of the present embodiment from thing side A1 to image side A2 sequentially include aperture 600,1 first lens 610, One second lens 620, the 3rd lens 630, the 4th lens 640 and one the 5th lens 650.

First lens the 610, second lens the 620, the 3rd lens the 630, the 4th lens 640 and the 5th lens of sixth embodiment The refractive index of 650 and include the thing side 611,621,631,641 towards thing side A1 and towards image side A2 image side surface 612, 622, the concavo-convex configuration of the lens surface of 632,642,652 is all similar with first embodiment, only each lens measure of sixth embodiment The concave-convex surface configuration of the radius of curvature in face, lens thickness, air gap width and thing side 651 is different from first embodiment. In detail, the thing side 651 of the 5th lens 650 includes that a convex surface part 6511, being positioned at optical axis near zone is positioned at circumference The convex surface part 6512 of near zone and a concave part 6513 between optical axis near zone and circumference near zone.About this Each optical characteristics of each lens of the optical imaging lens 6 of embodiment and the width of each the air gap, refer to Figure 24, wherein TL/CT5、(AC23+AC34)/CT3、TL/AAG、(CT1+CT5)/CT3、TL/(AC12+AC23+AC45)、CT5/(AC12+ AC23+AC45)、CT4/CT3、AC23/(AC12+AC45)、AC34/(AC12+AC23+AC45)、CT1/(AC12+AC23+ AC45), CT4/ (AC12+AC45), TL/AC34, (CT1+CT4+CT5)/CT3 and AAG/AC34 value are respectively as follows:

TL/CT5=5.15, meets conditional (1) really；

(AC23+AC34)/CT3=2.06, meets conditional (2) really；

TL/AAG=4.55, meets conditional (3) really；

(CT1+CT5)/CT3=5.72, meets conditional (4) really；

TL/ (AC12+AC23+AC45)=9.90, meets conditional (5) really；

CT5/ (AC12+AC23+AC45)=1.92, meets conditional (6) really；

CT4/CT3=2.44, meets conditional (7) really；

AC23/ (AC12+AC45)=0.50, meets conditional (8) really；

AC34/ (AC12+AC23+AC45)=1.18；

CT1/ (AC12+AC23+AC45)=2.28, meets conditional (10) really；

CT4/ (AC12+AC45)=2.69；

TL/AC34=8.42, meets conditional (12) really；

(CT1+CT4+CT5)/CT3=8.17, meets conditional (13) really；

AAG/AC34=1.85.

It is 4.03mm from first lens thing side 611 to the imaging surface 670 thickness on optical axis, really shortens optical imagery The lens length of camera lens 6.

On the other hand, it can be seen that the optical imaging lens 6 of the present embodiment is in longitudinal spherical aberration (a), the sagitta of arc in the middle of Figure 23 The performance of the astigmatic image error (b) in direction, the astigmatic image error (c) of meridian direction or distortion aberration (d) is the best.Therefore, by It is known that the optical imaging lens 6 of the present embodiment can maintain favorable optical performance really in above-mentioned, and it is long effectively to shorten camera lens Degree.

Separately please also refer to Figure 26 to Figure 29, wherein Figure 26 represents the optical imaging lens according to the seventh embodiment of the present invention The cross-sectional view of five chip lens of head, Figure 27 represents indulging according to seventh embodiment of the present invention optical imaging lens To spherical aberration and every aberration diagram schematic diagram, Figure 28 represents the detailed light of the optical imaging lens according to the seventh embodiment of the present invention Learning data, Figure 29 represents the aspherical surface data of each eyeglass of the optical imaging lens according to the seventh embodiment of the present invention.At this Using the label similar with first embodiment to indicate similar assembly in embodiment, label the most as used herein beginning changes 7 into, Such as the 3rd lens thing side is 731, and the 3rd lens image side surface is 732, and other reference numerals does not repeats them here.In Figure 26 Shown in, the optical imaging lens 7 of the present embodiment from thing side A1 to image side A2 sequentially include aperture 700,1 first lens 710, One second lens 720, the 3rd lens 730, the 4th lens 740 and one the 5th lens 750.

First lens the 710, second lens the 720, the 3rd lens the 730, the 4th lens 740 and the 5th lens of the 7th embodiment The refractive index of 750 and include the thing side 711,721,741,751 towards thing side A1 and towards image side A2 image side surface 712, 722, the concavo-convex configuration of the lens surface of 732,742,752 is all similar with first embodiment, each lens measure of the only the 7th embodiment The concave-convex surface configuration of the radius of curvature in face, lens thickness, air gap width and thing side 731 is different from first embodiment. In detail, the thing side 731 of the 3rd lens 730 is a concave surface.Each lens about the optical imaging lens 7 of the present embodiment Each optical characteristics and the width of each the air gap, refer to Figure 28, wherein TL/CT5, (AC23+AC34)/CT3, TL/AAG, (CT1+CT5)/CT3、TL/(AC12+AC23+AC45)、CT5/(AC12+AC23+AC45)、CT4/CT3、AC23/(AC12+ AC45)、AC34/(AC12+AC23+AC45)、CT1/(AC12+AC23+AC45)、CT4/(AC12+AC45)、TL/AC34、(CT1 + CT4+CT5)/CT3 and AAG/AC34 value is respectively as follows:

TL/CT5=4.76, meets conditional (1) really；

(AC23+AC34)/CT3=1.47, meets conditional (2) really；

TL/AAG=5.18, meets conditional (3) really；

(CT1+CT5)/CT3=3.75, meets conditional (4) really；

TL/ (AC12+AC23+AC45)=14.94, meets conditional (5) really；

CT5/ (AC12+AC23+AC45)=3.14, meets conditional (6) really；

CT4/CT3=1.76, meets conditional (7) really；

AC23/ (AC12+AC45)=0.93, meets conditional (8) really；

AC34/ (AC12+AC23+AC45)=1.88, meets conditional (9) really；

CT1/ (AC12+AC23+AC45)=2.90, meets conditional (10) really；

CT4/ (AC12+AC45)=5.50, meets conditional (11) really；

TL/AC34=7.93, meets conditional (12) really；

(CT1+CT4+CT5)/CT3=5.51, meets conditional (13) really；

AAG/AC34=1.53, meets conditional (14) really.

It is 3.99mm from first lens thing side 711 to the imaging surface 770 thickness on optical axis, really shortens optical imagery The lens length of camera lens 7.

On the other hand, it can be seen that the optical imaging lens 8 of the present embodiment is in longitudinal spherical aberration (a), the sagitta of arc in the middle of Figure 28 The performance of the astigmatic image error (b) in direction, the astigmatic image error (c) of meridian direction or distortion aberration (d) is the best.Therefore, by It is known that the optical imaging lens 8 of the present embodiment can maintain favorable optical performance really in above-mentioned, and it is long effectively to shorten camera lens Degree.

Separately please also refer to Figure 30 to Figure 33, wherein Figure 30 represents the optical imaging lens according to the eighth embodiment of the present invention The cross-sectional view of five chip lens of head, Figure 31 represents indulging according to eighth embodiment of the present invention optical imaging lens To spherical aberration and every aberration diagram schematic diagram, Figure 32 represents the detailed light of the optical imaging lens according to the eighth embodiment of the present invention Learning data, Figure 33 represents the aspherical surface data of each eyeglass of the optical imaging lens according to the eighth embodiment of the present invention.At this Using the label similar with first embodiment to indicate similar assembly in embodiment, label the most as used herein beginning changes 8 into, Such as the 3rd lens thing side is 831, and the 3rd lens image side surface is 832, and other reference numerals does not repeats them here.In Figure 30 Shown in, the optical imaging lens 8 of the present embodiment from thing side A1 to image side A2 sequentially include aperture 800,1 first lens 810, One second lens 820, the 3rd lens 830, the 4th lens 840 and one the 5th lens 850.

First lens the 810, second lens the 820, the 3rd lens the 830, the 4th lens 840 and the 5th lens of the 8th embodiment The refractive index of 850 and include the thing side 811,821,841,851 towards thing side A1 and towards image side A2 image side surface 812, 822, the concavo-convex configuration of the lens surface of 832,842,852 is all similar with first embodiment, each lens measure of the only the 8th embodiment The concave-convex surface configuration of the radius of curvature in face, lens thickness, air gap width and thing side 831 is different from first embodiment. In detail, the thing side 831 of the 3rd lens 830 is a concave surface.Each lens about the optical imaging lens 8 of the present embodiment Each optical characteristics and the width of each the air gap, refer to Figure 32, wherein TL/CT5, (AC23+AC34)/CT3, TL/AAG, (CT1+CT5)/CT3、TL/(AC12+AC23+AC45)、CT5/(AC12+AC23+AC45)、CT4/CT3、AC23/(AC12+ AC45)、AC34/(AC12+AC23+AC45)、CT1/(AC12+AC23+AC45)、CT4/(AC12+AC45)、TL/AC34、(CT1 + CT4+CT5)/CT3 and AAG/AC34 value is respectively as follows:

TL/CT5=4.91, meets conditional (1) really；

(AC23+AC34)/CT3=1.79, meets conditional (2) really；

TL/AAG=5.62, meets conditional (3) really；

(CT1+CT5)/CT3=4.98, meets conditional (4) really；

TL/ (AC12+AC23+AC45)=15.67, meets conditional (5) really；

CT5/ (AC12+AC23+AC45)=3.19, meets conditional (6) really；

CT4/CT3=3.10, meets conditional (8) really；

AC23/ (AC12+AC45)=0.73, meets conditional (8) really；

AC34/ (AC12+AC23+AC45)=1.79, meets conditional (9) really；

CT1/ (AC12+AC23+AC45)=2.95, meets conditional (10) really；

CT4/ (AC12+AC45)=6.60, meets conditional (11) really；

TL/AC34=8.76, meets conditional (12) really；

(CT1+CT4+CT5)/CT3=8.09, meets conditional (13) really；

AAG/AC34=1.56, meets conditional (14) really.

It is 3.95mm from first lens thing side 811 to the imaging surface 880 thickness on optical axis, really shortens optical imagery The lens length of camera lens 8.

On the other hand, it can be seen that the optical imaging lens 8 of the present embodiment is in longitudinal spherical aberration (a), the sagitta of arc in the middle of Figure 28 The performance of the astigmatic image error (b) in direction, the astigmatic image error (c) of meridian direction or distortion aberration (d) is the best.Therefore, by It is known that the optical imaging lens 8 of the present embodiment can maintain favorable optical performance really in above-mentioned, and it is long effectively to shorten camera lens Degree.

Additionally referring to represented by Figure 34 be the TL/CT5 of above eight embodiments, (AC23+AC34)/CT3, TL/AAG, (CT1+CT5)/CT3、TL/(AC12+AC23+AC45)、CT5/(AC12+AC23+AC45)、CT4/CT3、AC23/(AC12+ AC45)、AC34/(AC12+AC23+AC45)、CT1/(AC12+AC23+AC45)、CT4/(AC12+AC45)、TL/AC34、(CT1 + CT4+CT5)/CT3 and AAG/AC34 value, it can be seen that the optical imaging lens of the present invention really can meet aforementioned condition formula (1), Conditional (2), conditional (3), conditional (4), conditional (5), conditional (6), conditional (7), conditional (8), conditional (9), conditional (10), conditional (11), conditional (12), conditional (13) and/or conditional (14).

Refer to Figure 35, for applying the one first of the portable electronic devices 20 of aforementioned optical imaging lens preferably to implement Example, portable electronic devices 20 comprises casing 21 and the image module 22 being arranged in casing 21.It is only with mobile phone at this As a example by portable electronic devices 20 is described, but the pattern of portable electronic devices 20 is not limited, for example, portable electricity Sub-device 20 may also include but is not limited to camera, tablet PC, personal digital assistant (personal digital Assistant, is called for short PDA) etc..

As shown in FIG., image module 22 includes a foregoing optical imaging lens, as exemplarily selected at this The optical imaging lens 1, one of aforementioned first embodiment is used for for lens barrel for the lens barrel 23, arranged for optical imaging lens 1 23 arrange module rear seat unit (module housing unit) 24, for this module rear seat unit arrange substrate 172 and One image sensor 171 being arranged at optical imaging lens 1 image side.Imaging surface 170 is formed at image sensor 171.

Though it is noted that the present embodiment display optical filtering part 160, but optical filtering part the most also can be omitted The structure of 160, is not limited with necessity of optical filtering part 160, and casing 21, lens barrel 23 and/or module rear seat unit 24 can be single One assembly or multiple assembling components form, and need not be defined in this；Secondly, it is that the image sensor 171 that the present embodiment is used is The packaged type of interconnection system chip package (Chip on Board, COB) on plate is used to be connected directly between on substrate 172, and tradition The difference of the packaged type of chip size packages (Chip Scale Package, CSP) is that on plate, interconnection system chip package is not Protection glass (cover glass) need to be used, be therefore not required to before image sensor 171 in optical imaging lens 1 Arranging protection glass, the right present invention is not limited thereto.

Entirety have five chip lens 110,120,130,140,150 of refractive index be exemplarily with relative two lens it Between be respectively present the mode of a air gap and be arranged in lens barrel 23.

Module rear seat unit 24 includes one with the camera lens back seat 2401 arranged for lens barrel 23 and an image sensor back seat 2406.Lens barrel 23 is to be coaxially disposed along an axis I-I' with camera lens back seat 2401, and lens barrel 23 is arranged in camera lens back seat 2401 Side, image sensor back seat 2406 is between this camera lens back seat 2401 and this image sensor 171, and after this image sensor Seat 2406 and this camera lens back seat 2401 fit, the most in other embodiments, it is not necessary to there is image sensor back seat 2406.

Due to the length only 3.77mm of optical imaging lens 1, therefore can be by the size design ground of portable electronic devices 20 The most compact, and remain able to provide good optical property and image quality.Therefore, the present embodiment is made to subtract except having Outside the economic benefit of few casing raw material dosage, moreover it is possible to meet compact product design trend and consumption demand.

Separately referring to Figure 36, one second for applying the portable electronic devices 20' of aforementioned optical imaging lens 1 is the most real Execute example, the portable electronic devices 20' of the second preferred embodiment and the master of the portable electronic devices 20 of the first preferred embodiment Want difference to be: camera lens back seat 2401 have First body unit 2402,1 second pedestal unit 2403, coil 2404 and One magnet assembly 2405.Fit and along an axis I-I' setting, the second pedestal outside First body unit 2402 and lens barrel 23 Unit 2403 is arranged along axis I-I' and outside First body unit 2402.Coil 2404 is arranged on First body unit Between outside 2402 and inside the second pedestal unit 2403.Magnet assembly 2405 be arranged on outside coil 2404 with the second pedestal list Between inside unit 2403.

First body unit 2402 can be with lens barrel 23 and the optical imaging lens 1 being arranged in lens barrel 23 along axis I-I' Mobile.Other modular constructions of second embodiment of portable electronic devices 20' then fill with the portable electronic of first embodiment Put 20 to be similar to, do not repeat them here.

Similarly, due to the length only 3.77mm of optical imaging lens 1, therefore can be by the chi of portable electronic devices 20' Very little design the most compact, and remain able to provide good optical property and image quality.Therefore, the present embodiment except Have outside the economic benefit reducing casing raw material dosage, moreover it is possible to meet compact product design trend and consumption demand.

By in above-mentioned it is known that the portable electronic devices of the present invention and its optical imaging lens, by controlling five The thin portion structure of each lens of lens and/or the design of refractive index, and control parameter and meet at least one formula, to maintain good light Learn performance, and effectively shorten lens length.

Although specifically showing and describe the present invention in conjunction with preferred embodiment, but those skilled in the art should be bright In vain, in the spirit and scope of the present invention limited without departing from appended claims, in the form and details can be right The present invention makes a variety of changes, and is protection scope of the present invention.

Claims (17)

1. an optical imaging lens, from thing side to image side along an optical axis sequentially include one first lens, one second lens, one Three lens, one the 4th lens and one the 5th lens, each lens have a thing side towards thing side and towards the picture of image side Side, wherein:

This thing side of these the first lens includes a convex surface part being positioned at optical axis near zone, this image side mask of these the first lens There is a convex surface part being positioned at optical axis near zone；

These second lens have positive refractive index；

The image side surface of the 3rd lens has a convex surface part at its circumference near zone；

This image side surface of 4th lens includes a convex surface part being positioned at optical axis near zone；And

This image side surface of 5th lens includes that a concave part being positioned at optical axis near zone and is positioned at circumference near zone Convex surface part；

Wherein, this optical imaging lens only has five lens with refractive index altogether, and meets following condition formulae: TL/CT5 7.80,

TL is this first lens thing side to the distance on optical axis between the 5th lens image side surface, and CT5 is the 5th lens Thickness on optical axis.

2. optical imaging lens as claimed in claim 1, it is characterised in that: this optical imaging lens also meets 1.10 (AC23+AC34) conditional of/CT3, AC23 is the air gap width between these the second lens and the 3rd lens on optical axis Degree, AC34 is the air gap width between the 3rd lens and the 4th lens on optical axis, and CT3 is that the 3rd lens are at light Thickness on axle.

3. optical imaging lens as claimed in claim 2, it is characterised in that: this optical imaging lens also meets 4.30 TL/ The conditional of AAG, AAG is four the air gaps width summation on optical axis between these the first lens and the 5th lens.

4. optical imaging lens as claimed in claim 3, it is characterised in that: this optical imaging lens also meets 3.75 (CT1 + CT5) conditional of/CT3, CT1 is this first lens thickness on optical axis.

5. optical imaging lens as claimed in claim 4, it is characterised in that: this optical imaging lens also meets 9.80 TL/ (AC12+AC23+AC45) conditional, AC12 is the air gap width between these first lens and this second lens on optical axis Degree, AC45 is the air gap width between the 4th lens and the 5th lens on optical axis.

6. optical imaging lens as claimed in claim 4, it is characterised in that: this optical imaging lens also meets 1.85 CT5/ (AC12+AC23+AC45) conditional, AC12 is the air gap width between these first lens and this second lens on optical axis Degree, AC45 is the air gap width between the 4th lens and the 5th lens on optical axis.

7. optical imaging lens as claimed in claim 4, it is characterised in that: this optical imaging lens also meets 1.60 CT4/ The conditional of CT3 3.40, CT4 is the 4th lens thickness on optical axis.

8. optical imaging lens as claimed in claim 4, it is characterised in that: this optical imaging lens also meets AC23/ (AC12 + AC45) 2.00 conditional, AC12 is the air gap width between these first lens and this second lens on optical axis, AC45 is the air gap width between the 4th lens and the 5th lens on optical axis.

9. optical imaging lens as claimed in claim 1, it is characterised in that: this optical imaging lens also meets 3.75 (CT1 + CT5) conditional of/CT3, CT1 is this first lens thickness on optical axis, and CT3 is the 3rd lens thickness on optical axis Degree.

10. optical imaging lens as claimed in claim 9, it is characterised in that: this optical imaging lens also meets 1.60 The conditional of AC34/ (AC12+AC23+AC45), AC12 is the air between these first lens and this second lens on optical axis Gap width, AC23 is the air gap width between these the second lens and the 3rd lens on optical axis, and AC34 is the 3rd Air gap width on optical axis between lens and the 4th lens, AC45 be between the 4th lens and the 5th lens Air gap width on optical axis.

11. optical imaging lens as claimed in claim 10, it is characterised in that: this optical imaging lens also includes that one is positioned at this Aperture before first lens.

12. optical imaging lens as claimed in claim 9, it is characterised in that: this optical imaging lens also meets 1.80 The conditional of CT1/ (AC12+AC23+AC45), CT1 is this first lens thickness on optical axis, AC12 be these first lens with Air gap width on optical axis between these second lens, AC23 be between these the second lens and the 3rd lens on optical axis Air gap width, AC45 is the air gap width between the 4th lens and the 5th lens on optical axis.

13. optical imaging lens as claimed in claim 9, it is characterised in that: this optical imaging lens also meets 5.50 The conditional of CT4/ (AC12+AC45), CT4 is the 4th lens thickness on optical axis, AC12 be these first lens with this Air gap width on optical axis between two lens, AC45 is the sky between the 4th lens and the 5th lens on optical axis Gas gap width.

14. optical imaging lens as claimed in claim 13, it is characterised in that: this optical imaging lens also meets TL/AC34 The conditional of 10.30, AC34 is the air gap width between the 3rd lens and the 4th lens on optical axis.

15. optical imaging lens as claimed in claim 1, it is characterised in that: this optical imaging lens also meets 4.00 (CT1+CT4+CT5) conditional of/CT3, CT1 is this first lens thickness on optical axis, and CT3 is that the 3rd lens are at optical axis On thickness, CT4 is the 4th lens thickness on optical axis.

16. optical imaging lens as claimed in claim 15, it is characterised in that: this optical imaging lens also meets AAG/AC34 The conditional of 1.60, AAG is four the air gaps width summation on optical axis between these the first lens and the 5th lens, AC34 is the air gap width between the 3rd lens and the 4th lens on optical axis.

17. 1 kinds of portable electronic devices, including:

One casing；And

One image module, is installed in this casing, including:

Just like the optical imaging lens according to any one of claim the 1 to the 16th；

One lens barrel, for for arranging this optical imaging lens；

One module rear seat unit, for for arranging this lens barrel；And

One image sensor, is arranged at the image side of this optical imaging lens.