CN105319685B - Portable electronic devices and its optical imaging lens - Google Patents

Portable electronic devices and its optical imaging lens Download PDF

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Publication number
CN105319685B
CN105319685B CN201510281956.8A CN201510281956A CN105319685B CN 105319685 B CN105319685 B CN 105319685B CN 201510281956 A CN201510281956 A CN 201510281956A CN 105319685 B CN105319685 B CN 105319685B
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lens
optical imaging
imaging lens
optical
present
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CN105319685A (en
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唐子健
叶致仰
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Genius Electronic Optical Xiamen Co Ltd
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Genius Electronic Optical Xiamen Co Ltd
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Abstract

The present invention provides a kind of portable electron device and its optical imaging lens.The optical imaging lens of the present invention sequentially include aperture, first, second, third, fourth lens from thing side to image side, and the optical imaging lens, which only possess above-mentioned four, has the lens of refractive index, and meets following relationship：ALT/T2≦5.4；And (T2+T4)/G34≤4.0.The portable electronic devices of the present invention, including a casing and an image module, image module are installed in the casing, and image module includes any optical imaging lens, a lens barrel, a module rear seat unit and the image sensor according to the present invention.The present invention is used for optical camera, by controlling the concave-convex curved surface of each lens to arrange, and controls relevant parameter with an at least relational expression, and under the conditions of favorable optical performance is maintained, shortens lens length.

Description

Portable electronic devices and its optical imaging lens
Technical field
The present invention is related with its optical imaging lens to a kind of portable electronic devices, and especially with applying four-piece type The portable electronic devices of 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.
For quadruple lenses structure, distance of its first lens thing side to imaging surface on optical axis was designed in the past equal It is longer, the slimming of unfavorable mobile phone and digital camera, therefore the mirror that pole needs exploitation image quality good and lens length shortens Head.
The content of the invention
The 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 relevant parameter is controlled with least two relational expressions, enough optical properties are maintained, and reduce simultaneously The system length of optical lens.
According to the present invention there is provided a kind of optical imaging lens, sequentially include an aperture, one from thing side to image side along an optical axis First lens, one second lens, one the 3rd lens and one the 4th lens, each lens all have refractive index, and with a court To thing side and make thing side that imaging light passes through and one towards image side and the image side surface that passes through imaging light.
For the ease of representing the parameter of present invention meaning, defined in this specification and accompanying drawing：TA represents aperture to next Distance (negative sign represent the range direction towards thing side) of the individual adjacent lens thing side on optical axis, T1 represent the first lens in light Thickness, G12 on axle represent air gap width between the first lens and the second lens on optical axis, T2 and represent the second lens Thickness, G23 on optical axis represent air gap width between the second lens and the 3rd lens on optical axis, T3 and represent the 3rd Thickness, G34 of the lens on optical axis represent air gap width between the 3rd lens and the 4th lens on optical axis, T4 and represented Thickness, G4F of 4th lens on optical axis represent the image side surfaces of the 4th lens to the thing side of infrared filter on optical axis Distance, TF represents thickness, GFP of the infrared filter on optical axis and represents infrared filter image side surface to imaging surface in light Distance, TI on axle represent that thickness, f1 of the image sensor on optical axis represent the focal length of the first lens, that f2 represents second is saturating Focal length, the f4 that focal length, the f3 of mirror represent the 3rd lens represent focal length, the n1 of the 4th lens and represent the refractive index of the first lens, n2 Represent the refractive index of the second lens, n3 and represent the refractive index of the 3rd lens, n4 and represent the refractive index of the 4th lens, v1 and represent first Abbe number, the v2 of lens represent the Abbe number of the second lens, v3 represent the 3rd lens Abbe number, v4 represent the 4th lens Ah Shellfish number, EFL or f all represent the effective focal length of optical imaging lens, TTL and represent the thing of the first lens sideways to an imaging surface in light Distance, ALT on axle represent four lens thickness summations (i.e. T1, T2, T3, the T4 of the first lens to the 4th lens on optical axis And), AAG represent the first lens between the 4th lens on optical axis three air gap width summations (i.e. G12, G23, G34 sum), BFL represent the back focal length of optical imaging lens, i.e. distance of the image side surface of the 4th lens to imaging surface on optical axis (i.e. G4F, TF, GFP sum).
According to optical imaging lens provided by the present invention, the thing side of the first lens has one to be located at circumference near zone Convex surface part, and its image side surface has a convex surface part for being located at circumference near zone, and the second lens have negative refractive index, its thing side Face has a concave part for being located at optical axis near zone and one is located at the concave part of circumference near zone, and the 3rd lens, which have, just bends Light rate, its thing side has a concave part for being located at optical axis near zone and one is located at the concave part of circumference near zone, and its Image side surface has a convex surface part for being located at circumference near zone, and the image side surface of the 4th lens has one to be located at optical axis near zone Concave part and one be located at circumference near zone convex surface part, optical imaging lens only possess above-mentioned four have refractive index it is saturating Mirror, and meet following relationship：
The relational expression (1) of ALT/T2≤5.4；
(T2+T4) relational expression (2) of/G34≤4.0.
The present invention optionally controls aforementioned parameters, additionally meets following relationship：
The relational expression (3) of AAG/G12≤6.0；
(G23+G34) relational expression (4) of/T4≤2.2；
The relational expression (5) of AAG/T4≤2.7；
(T1+T2) relational expression (6) of/G12≤4.8；
The relational expression (7) of EFL/G23≤7.3；
The relational expression (8) of ALT/G12≤10.0；
(T3+T4) relational expression (9) of/G12≤5.0；
The relational expression (10) of EFL/T1≤5.5；
The relational expression (11) of T1/G12≤2.9；
The relational expression (12) of ALT/G12≤9.2；
EFL/ (the relational expressions (13) of G23+G34)≤4.5；And/or
EFL/ (the relational expressions (14) of T1+T4)≤3.1.
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, one is optionally additionally formed with the image side surface of the second lens and is located at light The convex surface part of axle near zone and one be located at circumference near zone concave part.It is noted that these details need to be in Lothrus apterus Situation under, optionally merge be applied to the present invention other embodiment among.
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 the casing.Image module includes any optical imagery according to the present invention Camera lens, a lens barrel, a module rear seat unit and an image sensor.Lens barrel is used for for setting optical imaging lens, module back seat Unit is used for for 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 by controlling in above-mentioned The concave-convex curved surface arrangement of mirror, and relevant parameter is controlled with an at least relational expression, good optical property can be maintained, and it is simultaneously effective Shorten the length of camera lens in ground.
Brief description of the drawings
Fig. 1 is the lens profile structural representation for showing one embodiment of the invention；
Fig. 2 is the relation schematic diagram for illustrating lens face shape deflection and light focus；
Fig. 3 is the graph of a relation of the lens face shape deflection and effective radius that illustrate example one；
Fig. 4 is the graph of a relation of the lens face shape deflection and effective radius that illustrate example two；
Fig. 5 is the graph of a relation of the lens face shape deflection and effective radius that illustrate example three；
Fig. 6 is the cross-section structure meaning for the quadruple lenses for showing the optical imaging lens according to the first embodiment of the present invention Figure；
Fig. 7 is to show that the longitudinal spherical aberration of the optical imaging lens according to the first embodiment of the present invention is illustrated with every aberration Figure；
Fig. 8 is the detailed optical data for showing each lens according to first embodiment of the present invention optical imaging lens；
Fig. 9 is the aspherical surface data for showing the optical imaging lens according to the first embodiment of the present invention；
Figure 10 is the cross-section structure for the quadruple lenses for showing the optical imaging lens according to the second embodiment of the present invention Schematic diagram；
Figure 11 is to show that the longitudinal spherical aberration according to second embodiment of the present invention optical imaging lens is illustrated with every aberration Figure；
Figure 12 is the detailed optical data for each lens for showing the optical imaging lens according to the second embodiment of the present invention；
Figure 13 is the aspherical surface data for showing the optical imaging lens according to the second embodiment of the present invention；
Figure 14 is the cross-section structure for the quadruple lenses for showing the optical imaging lens according to the third embodiment of the present invention Schematic diagram；
Figure 15 is to show that the longitudinal spherical aberration according to third embodiment of the present invention optical imaging lens is illustrated with every aberration Figure；
Figure 16 is the detailed optical data for each lens for showing the optical imaging lens according to the third embodiment of the present invention；
Figure 17 is the aspherical surface data for showing the optical imaging lens according to the third embodiment of the present invention；
Figure 18 is the cross-section structure for the quadruple lenses for showing the optical imaging lens according to the fourth embodiment of the present invention Schematic diagram；
Figure 19 is to show that the longitudinal spherical aberration according to fourth embodiment of the present invention optical imaging lens is illustrated with every aberration Figure；
Figure 20 is the detailed optical data for each lens for showing the optical imaging lens according to the fourth embodiment of the present invention；
Figure 21 is the aspherical surface data for showing the optical imaging lens according to the fourth embodiment of the present invention；
Figure 22 is the cross-section structure for the quadruple lenses for showing the optical imaging lens according to the fifth embodiment of the present invention Schematic diagram；
Figure 23 is to show that the longitudinal spherical aberration according to fifth embodiment of the present invention optical imaging lens is illustrated with every aberration Figure；
Figure 24 is the detailed optical data for each lens for showing the optical imaging lens according to the fifth embodiment of the present invention；
Figure 25 is the aspherical surface data for showing the optical imaging lens according to the fifth embodiment of the present invention；
Figure 26 is the cross-section structure for the quadruple lenses for showing the optical imaging lens according to the sixth embodiment of the present invention Schematic diagram；
Figure 27 is to show that the longitudinal spherical aberration according to sixth embodiment of the present invention optical imaging lens is illustrated with every aberration Figure；
Figure 28 is the detailed optical data for each lens for showing the optical imaging lens according to the sixth embodiment of the present invention；
Figure 29 is the aspherical surface data for showing the optical imaging lens according to the sixth embodiment of the present invention；
Figure 30 is the cross-section structure for the quadruple lenses for showing the optical imaging lens according to the seventh embodiment of the present invention Schematic diagram；
Figure 31 is to show that the longitudinal spherical aberration of the optical imaging lens according to the seventh embodiment of the present invention is shown with every aberration It is intended to；
Figure 32 is the detailed optical data for showing each lens according to seventh embodiment of the present invention optical imaging lens；
Figure 33 is the aspherical surface data for showing the optical imaging lens according to the seventh embodiment of the present invention；
Figure 34 is the cross-section structure for the quadruple lenses for showing the optical imaging lens according to the eighth embodiment of the present invention Schematic diagram；
Figure 35 is to show that the longitudinal spherical aberration according to eighth embodiment of the present invention optical imaging lens is illustrated with every aberration Figure；
Figure 36 is the detailed optical data for each lens for showing the optical imaging lens according to the eighth embodiment of the present invention；
Figure 37 is the aspherical surface data for showing the optical imaging lens according to the eighth embodiment of the present invention；
Figure 38 is the cross-section structure for the quadruple lenses for showing the optical imaging lens according to the ninth embodiment of the present invention Schematic diagram；
Figure 39 is to show that the longitudinal spherical aberration according to ninth embodiment of the present invention optical imaging lens is illustrated with every aberration Figure；
Figure 40 is the detailed optical data for each lens for showing the optical imaging lens according to the ninth embodiment of the present invention；
Figure 41 is the aspherical surface data for showing the optical imaging lens according to the ninth embodiment of the present invention；
Figure 42 is the cross-section structure for the quadruple lenses for showing the optical imaging lens according to the tenth embodiment of the present invention Schematic diagram；
Figure 43 is to show that the longitudinal spherical aberration according to tenth embodiment of the present invention optical imaging lens is illustrated with every aberration Figure；
Figure 44 is the detailed optical data for each lens for showing the optical imaging lens according to the tenth embodiment of the present invention；
Figure 45 is the aspherical surface data for showing the optical imaging lens according to the tenth embodiment of the present invention；
Figure 46 is the section knot for the quadruple lenses for showing the optical imaging lens according to the 11st embodiment of the present invention Structure schematic diagram；
Figure 47 is to show that the longitudinal spherical aberration according to 11st embodiment of the present invention optical imaging lens is shown with every aberration It is intended to；
Figure 48 is the detailed optical number for each lens for showing the optical imaging lens according to the 11st embodiment of the present invention According to；
Figure 49 is the aspherical surface data for showing the optical imaging lens according to the 11st embodiment of the present invention；
Figure 50 be show according to more than present invention T1 of ten one embodiment, T2, T3, T4, G12, G23, G34, AAG, ALT、EFL、BFL、ALT/T2、(T2+T4)/G34、AAG/G12、(G23+G34)/T4、AAG/T4、(T1+T2)/G12、EFL/ G23, ALT/G12, (T3+T4)/G12, EFL/T1, T1/G12, ALT/G12, EFL/ (G23+G34) and EFL/ (T1+T4) value Comparison sheet；
Figure 51 is the structural representation for showing the portable electronic devices according to one embodiment of the invention；And
Figure 52 is the structural representation for showing the portable electronic devices according to another embodiment of the present invention.
Embodiment
To further illustrate each embodiment, the present invention is provided with accompanying drawing.These accompanying drawings are that the invention discloses the one of content Point, it is mainly to illustrate embodiment, and can coordinate the associated description of specification to explain the operation principles of embodiment.Coordinate ginseng These contents are examined, one skilled in the art will be understood that other possible embodiments and advantages of the present invention.Figure In component be not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.
" lens have positive refractive index (or negative refractive index) " described in this specification, refers to the lens with Gauss light The refractive index on optical axis that theory is calculated is just (or being negative).The image side surface, thing side are defined as imaging light and passed through Scope, wherein imaging light include chief ray (chief ray) Lc and rim ray (marginal ray) Lm, such as Fig. 1 Shown, I is optical axis and this lens is radially symmetrical by symmetry axis of optical axis I, and light passes through the region on optical axis For optical axis near zone A, the region that rim ray passes through is circumference near zone C, in addition, the lens also include an extension E (i.e. the regions of circumference near zone C radially outward), with so that the lens group is loaded in an optical imaging lens, preferably into Picture light can't be by extension E, but extension E structure is not limited to this with shape, and following embodiment is to ask Accompanying drawing succinctly eliminates the extension of part.In more detail, judge face shape or optical axis near zone, circumference near zone, Or the method for the scope in multiple regions is as follows：
As shown in figure 1, it is the sectional view of a lens radially.From the point of view of the sectional view, the model of aforementioned areas is being judged When enclosing, it is the intersection point on the lens surface with optical axis to define a central point, and a transfer point is on the lens surface A bit, it is and vertical with optical axis by a tangent line of the point.It is sequentially the first conversion if there is multiple transfer points radially outward Point, the second transfer point, and away from optical axis, radially farthest transfer point is N transfer points on effectively half effect footpath.Central point and first Scope between transfer point is optical axis near zone, and the region of N transfer points radially outward is circumference near zone, and centre can Different regions are distinguished according to each transfer point.In addition, effective radius is rim ray Lm and hanging down in lens surface intersection to optical axis I Straight distance.
As shown in Fig. 2 the shape bumps in the region are with parallel through the light in the region (or light extension line) and light The intersection point of axle is determined (light focus decision procedure) in image side or thing side.For example, after light is by the region, light It can be focused on towards image side, Focus Club's position R points in image side, such as Fig. 2 with optical axis, then the region is convex surface part.If conversely, light Behind certain region, light can dissipate, the focus of its extension line and optical axis M points in thing side, such as Fig. 2, then the region is Concave part, so central point is to being convex surface part between the first transfer point, the region of the first transfer point radially outward is concave part；By Fig. 2 understands that the transfer point is the separation that convex surface part turns concave part, therefore the definable region and the radially adjacent region Inner side region, using the transfer point be boundary have different face shapes.If in addition, the face shape judgement of optical axis near zone can According to the judgment mode of those of ordinary skill in the field, (refer to paraxial radius of curvature with R values, be often referred to saturating in optical software R values on mirror database (lens data)) positive negative judgement bumps.For thing side, when R values are timing, it is determined as convex surface Portion, when R values is bear, is determined as concave part；For image side surface, when R values are timing, it is determined as concave part, when R values are negative When, it is determined as convex surface part, the bumps that the method is determined are identical with light focus decision procedure.
If without transfer point on the lens surface, the optical axis near zone is defined as near the 0~50% of effective radius, circumference Region is defined as the 50~100% of effective radius.
Fig. 3 only has the first transfer point for the lens image side surface of the first example on effective radius, then the firstth area is light Axle near zone, the secondth area is circumference near zone.The R values of this lens image side surface judge that optical axis near zone has for just One concave part；The face shape of circumference near zone is different with the inside region radially close to the region.That is, circumference near zone and The face shape of optical axis near zone is different；The circumference near zone has a convex surface part.
Fig. 4 has first and second transfer point for the lens thing side surface of the second example on effective radius, then the firstth area For optical axis near zone, the 3rd area is circumference near zone.The R values of this lens thing side judge optical axis near zone for just For convex surface part；Region (the secondth area) between first transfer point and the second transfer point has a concave part, circumference near zone the (the 3rd Area) there is a convex surface part.
Fig. 5 for the 3rd example lens thing side surface on effective radius without transfer point, now with effective radius 0%~ 50% is optical axis near zone, and 50%~100% is circumference near zone.Because the R values of optical axis near zone are just, so thing Side has a convex surface part in optical axis near zone；And without transfer point between circumference near zone and optical axis near zone, therefore circumference Near zone has a convex surface part.
The optical imaging lens of the present invention, are a tight shots, and be by sequentially being set from thing side to image side along an optical axis An aperture, one first lens, one second lens, one the 3rd lens and one the 4th lens, each lens all have refractive index and Towards thing side and make thing side that imaging light passes through and one towards image side and the image side surface that passes through imaging light with one.This The optical imaging lens of invention only have foregoing four lens with refractive index altogether, by designing the detail characteristic of each lens, And shorter optical imaging lens length and good optical property can be provided.
The characteristic of the foregoing each eyeglass designed herein is mainly the optical characteristics and lens length for considering optical imaging lens, For example：Formed in the convex surface part and its image side surface positioned at circumference near zone formed on the thing side of first lens Light gathering can be effectively increased positioned at the feature of the convex surface part of circumference near zone, collocation aperture position is arranged on the first lens Thing side, helps to shorten lens length.Configured with reference to the refractive index of each eyeglass and the concavo-convex of lens surface, such as：Second lens Negative refractive index, formed on its thing side the concave part positioned at the concave part of optical axis near zone and near circumference, The positive refractive index of 3rd lens, the concave part positioned at optical axis near zone formed on its thing side and the area near circumference The concave part in domain, the convex surface part positioned at circumference near zone, the shape on the image side surface of the 4th lens formed on its image side surface Into the concave part and the convex surface part positioned at circumference near zone positioned at optical axis near zone, by features above collocation can be effective Reduce system aberration, eliminate the curvature of field and distortion, to promote to lift image quality.If in addition, simultaneously by the second Lens Design be The feature of the convex surface part positioned at optical axis near zone and the concave part near circumference is formed on its image side surface, then can make imaging Quality is more excellent.
Secondly, in order to shorten imaging lens, the diminution by lens thickness suitably is selected, and it is simultaneous again during diminution Tool keeps good image quality, therefore the air gap configuration between lens thickness and lens just seems important, herein proposes Foregoing relationships (1) and relational expression (2) are met by the control parameter such as ALT/T2 and (T2+T4)/G34, and is optionally made (G23+G34)/T4, (T1+T2)/G12, ALT/G12, (T3+T4)/G12 and T1/G12 an at least parameter meet forgoing relationship Formula (4), relational expression (6), relational expression (8), relational expression (9), relational expression (11), assist designer to design and possess good optical Energy, entire length effectively shorten and technically feasible optical imaging lens.It is preferred that ALT/T2 scopes can more limit between Between 3.8~5.4, (T2+T4)/G34 scopes can be limited more between 2.3~4.0, and (G23+G34)/T4 scopes can be limited more Between 1.2~2.2, (T1+T2)/G12 scopes can be limited more between 3.3~4.8, and ALT/G12 scopes can be limited more Between 7.0~10.0, if more limit again to ALT/G12≤9.2 for shorten lens length it is more helpful, (T3+T4)/ G12 scopes can be limited more between 3.7~5.0, and T1/G12 scopes can be limited more between 1.7~2.9.
In addition to selecting suitably to reduce lens thickness, between shortening air appropriate under manufacture feasibility was considered Gap is also a selection, therefore herein proposing optionally to shorten AAG makes it meet a following at least relational expression so that whole Optical imaging lens, which can have, preferably to be configured：AAG/G12≤6.0 and AAG/T4≤2.7, it is preferred that AAG/G12 scopes can be more Limit between 2.8~6.0, AAG/T4 scopes can be limited more between 1.8~2.7.
As foregoing, the air gap between lens thickness and lens is suitably adjusted to reach to take into account and possesses good imaging matter Amount and the target for shortening imaging lens length, therefore the air gap between lens thickness and lens and optical imaging lens focal length Ratio be also a controllable parameter, it is proposed that optionally meet an at least relationship below：EFL/T1≧5.5、EFL/G23 ≤ 7.3, EFL/ (G23+G34)≤4.5 and EFL/ (T1+T4)≤3.1, it is preferred that EFL/T1 scopes can more limit between 5.5~ Between 7.3, EFL/G23 scopes can be limited more between 7.3~10.5, and EFL/ (G23+G34) scope can be limited more between 4.5 Between~6.0, EFL/ (T1+T4) scope can be limited more between 3.1~4.2.
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, one is optionally additionally formed with the image side surface of the second lens and is located at optical axis near zone Convex surface part and one be located at circumference near zone concave part.It is noted that these details need under the situation of Lothrus apterus, Optionally merge and be applied among the other embodiment of the present invention, however it is not 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. 6 to Fig. 9, wherein Fig. 6 is display according to the present invention First embodiment optical imaging lens quadruple lenses cross-sectional view, Fig. 7 show according to the present invention The longitudinal spherical aberration of the optical imaging lens of first embodiment and every aberration schematic diagram, Fig. 8 is to show first according to the present invention The detailed optical data of the optical imaging lens of embodiment, Fig. 9 is display according to first embodiment of the present invention optical imaging lens The aspherical surface data of each lens of head.
As shown in fig. 6, the optical imaging lens 1 of the present embodiment sequentially include an aperture from thing side A1 to image side A2 (aperture stop) 100, one first lens 110, one second lens 120, one the 3rd lens 130 and one the 4th lens 140. One imaging surface 160 of one optical filtering part 150 and an image sensor is all arranged at the image side A2 of optical imaging lens 1.In this implementation In example, optical filtering part 150 is infrared filter (IR cut filter) and is located between the 4th lens 140 and imaging surface 160, Optical filtering part 150 filters out the light by optical imaging lens 1 wavelength of specific band, for example, filter out infrared ray wave band, can So that the wavelength for the infrared ray wave band that human eye be can't see will not be imaged on imaging surface 160.
The first lens 110, the second lens 120, the 3rd lens 130 and the 4th lens 140 of optical imaging lens 1 show herein Constituted with plastic material to example property, and it is as follows to form thin portion structure：First lens 110 have positive refractive index, and with a court To thing side A1 thing side 111 and one towards image side A2 image side surface 112.Thing side 111 is a convex surface, and is located at light including one The convex surface part 1111 and one of axle near zone is located at the convex surface part 1112 of circumference near zone.Image side surface 112 includes one and is located at light The concave part 1121 and one of axle near zone is located at the convex surface part 1122 of circumference near zone.The thing side 111 of first lens 110 It is all aspherical with image side surface 112.
Second lens 120 have negative refractive index, and with one towards thing side A1 thing side 121 and one towards image side A2's Image side surface 122.Thing side 121 is a concave surface, and is located at circumference including a concave part 1211 and one for being located at optical axis near zone The concave part 1212 of near zone.Image side surface 122 be a concave surface, and including one positioned at optical axis near zone concave part 1221 and One is located at the concave part 1222 of circumference near zone.The thing side 121 of second lens 120 is all aspherical with image side surface 122.
3rd lens 130 have positive refractive index, and with one towards thing side A1 thing side 131 and one towards image side A2's Image side surface 132.Thing side 131 is a concave surface, and is located at circle including a concave part 1311 and one for being located at optical axis near zone The concave part 1312 of all near zones.Image side surface 132 is a convex surface, and including a convex surface part 1321 for being located at optical axis near zone And one be located at circumference near zone convex surface part 1322.The thing side 131 of 3rd lens 130 is all aspherical with image side surface 132.
4th lens 140 have a negative refractive index, and with one towards thing side A1 thing side 141 and with one towards image side A2 image side surface 142.Thing side 141 includes a convex surface part 1411 and one for being located at optical axis near zone and is located at circumference area nearby The concave part 1412 in domain.Image side surface 142 includes a concave part 1421 and one for being located at optical axis near zone and is located at circumference area nearby The convex surface part 1422 in domain.The thing side 141 of 4th lens 140 is all aspherical with image side surface 142.
In the present embodiment, each lens 110,120,130,140, the imaging surface of optical filtering part 150 and image sensor are designed All there is the air gap between 160, such as：There are the air gap d1, the second lens between first lens 110 and the second lens 120 120 and the 3rd exist between the air gap d2, the 3rd lens 130 and the 4th lens 140 between lens 130 and there is the air gap D3, the 4th lens 140 and the imaging surface that there is the air gap d4 and optical filtering part 150 and image sensor between optical filtering part 150 There is the air gap d5 between 160, but in other embodiments, can also not have foregoing any of which the air gap, such as：Will The surface profile design of two relative lens is corresponding each other, and can be fitted each other, to eliminate the air gap therebetween.Thus may be used Know, the air gap d1 is that G12, the air gap d2 are G23, the air gap d3 as G34, the air gap d1, d2, d3 sum As AAG.
On each optical characteristics and the width of each the air gap of each lens in the optical imaging lens 1 of the present embodiment, Fig. 8 is refer to, on ALT/T2, (T2+T4)/G34, AAG/G12, (G23+G34)/T4, AAG/T4, (T1+T2)/G12, EFL/ G23, ALT/G12, (T3+T4)/G12, EFL/T1, T1/G12, ALT/G12, EFL/ (G23+G34) and EFL/ (T1+T4) value, It refer to Figure 50.In the optical imaging lens 1 of the present embodiment, from the first lens thing side 111 to imaging surface 160 on optical axis Length is 4.454mm, and image height is 2.94mm.
First lens 110 thing side 111 and image side surface 112, the second lens 120 thing side 121 and image side surface 122, The thing side 131 of 3rd lens 130 and the thing side 141 and image side surface 142 of the lens 140 of image side surface 132 and the 4th, totally eight it is non- Sphere 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)；a2iFor 2i rank asphericity coefficients.Each aspherical parameter Detailed data is please also refer to Fig. 9.
Fig. 7 (a) illustrates the schematic diagram of the longitudinal spherical aberration of the present embodiment, and transverse axis is focal length, and the longitudinal axis is visual field.Fig. 7 (b) is illustrated The schematic diagram of the astigmatic image error in the sagitta of arc direction of the present embodiment, Fig. 7 (c) illustrates the astigmatic image error of the meridian direction of the present embodiment Schematic diagram, transverse axis is focal length, and the longitudinal axis is image height.Fig. 7 (d) illustrates the schematic diagram of the distortion aberration of the present embodiment, and transverse axis is percentage Than the longitudinal axis is image height.Three kinds represent wavelength (470nm, 555nm, 650nm) the Off-axis-light of different height all concentrate on into Near picture point, the skewness magnitude level of each curve can be seen that the Off-axis-light of different height imaging point deviation control ± 0.05mm, hence it is evident that improve the spherical aberration of different wave length, the focal length variations amount of the astigmatic image error in sagitta of arc direction in whole field range Fall in ± 0.04mm, the astigmatic image error of meridian direction falls in ± 0.08mm, and distortion aberration is maintained in ± 2.5%.
With reference to figures 10 to Figure 13, Figure 10 is the four-piece type for showing the optical imaging lens according to the second embodiment of the present invention The cross-sectional view of lens, Figure 11 be show longitudinal spherical aberration according to second embodiment of the present invention optical imaging lens with Every aberration schematic diagram, Figure 12 is the detailed optical data for showing the optical imaging lens according to the second embodiment of the present invention, Figure 13 is the aspherical surface data for each lens for showing the optical imaging lens according to the second embodiment of the present invention.In the present embodiment The middle use label similar with first embodiment indicates similar component, and only label as used herein beginning is changed to 2, and such as the Three lens things side is 231, and the 3rd lens image side surface is 232, and other reference numerals will not be repeated here.As shown in Figure 10, The optical imaging lens 2 of the present embodiment sequentially include an aperture 200, one first lens 210, one second from thing side A1 to image side A2 Lens 220, one the 3rd lens 230 and one the 4th lens 240.
Second embodiment towards thing side A1 thing side 211,221,231 and towards image side A2 image side surface 212,222, 232nd, 242 concavo-convex configuration is generally similar with first embodiment, only each radius of curvature of second embodiment, lens thickness, non- The lens surface bumps configuration of the related optical such as asphere coefficient, back focal length parameter and thing side 241 is different from first embodiment. This in order to become apparent from showing drawing, the feature of concave-convex surface configuration only indicate with first embodiment difference, and omit identical The label of part, and the feature of the lens surface bumps configuration of following each embodiment, are also only indicated different from first embodiment Part, omits the label mutually existed together, and repeat no more.In detail, the lens surface bumps of thing side 241 are configured with first in fact Apply example difference and be that it includes a convex surface part 2412 for being located at circumference near zone.Optical imaging lens 2 on the present embodiment Each lens each optical characteristics and the width of each the air gap, Figure 12 is refer to, on ALT/T2, (T2+T4)/G34, AAG/ G12、(G23+G34)/T4、AAG/T4、(T1+T2)/G12、EFL/G23、ALT/G12、(T3+T4)/G12、EFL/T1、T1/ G12, ALT/G12, EFL/ (G23+G34) and EFL/ (T1+T4) value, refer to Figure 50.The optical imaging lens 2 of the present embodiment In, the length from the first lens thing side 211 to imaging surface 260 on optical axis is 4.327mm, and image height is 2.94mm.
From Figure 11 (a) longitudinal spherical aberration, the Off-axis-light of different height is can be seen that by the skewness magnitude level of each curve Imaging point deviation is controlled within ± 0.05mm.From the astigmatic image error in Figure 11 (b) sagitta of arc direction, three kinds represent wavelength whole Focal length variations amount in individual field range falls in ± 0.04mm.From the astigmatic image error of Figure 11 (c) meridian direction, three kinds of generations Focal length variations amount of the table wavelength in whole field range falls in ± 0.08mm.Figure 11 (d) shows the abnormal of optical imaging lens 2 Become aberration to maintain in the range of ± 2.5%.
Second embodiment is compared with first embodiment, and lens length is shorter, and half angle of view is larger.
With reference to figs. 14 to Figure 17, wherein Figure 14 is the four of the optical imaging lens for showing the foundation third embodiment of the present invention The cross-sectional view of chip lens, Figure 15 is to show every picture according to third embodiment of the present invention optical imaging lens Differential is intended to, and Figure 16 is the detailed optical data for showing the optical imaging lens according to the third embodiment of the present invention, Tu17Shi Aspherical surface data of the display according to each lens of the optical imaging lens of the third embodiment of the present invention.Use in the present embodiment The label similar with first embodiment indicates similar component, and label beginning only as used herein is changed to 3, such as the 3rd lens Thing side is 331, and the 3rd lens image side surface is 332, and other reference numerals will not be repeated here.As shown in Figure 18, this implementation The optical imaging lens 3 of example sequentially include an aperture 300, one first lens 310, one second lens from thing side A1 to image side A2 320th, one the 3rd lens 330 and one the 4th lens 340.
3rd embodiment towards thing side A1 thing side 311,321,331 and towards image side A2 image side surface 312,322, 332nd, the concavo-convex configuration of the lens surfaces such as 342 is generally similar with first embodiment, only each radius of curvature of 3rd embodiment, thoroughly The lens surface bumps configuration of the related optical such as mirror thickness, asphericity coefficient, back focal length parameter and thing side 341 is implemented with first Example is different.In detail, the lens surface bumps configuration of thing side 341 is that it includes one and is located at circle with first embodiment difference The convex surface part 3412 of all near zones.Each optical characteristics and each sky on each lens of the optical imaging lens 3 of the present embodiment The width in gas gap, refer to Figure 16.On ALT/T2, (T2+T4)/G34, AAG/G12, (G23+G34)/T4, AAG/T4, (T1+T2)/G12, EFL/G23, ALT/G12, (T3+T4)/G12, EFL/T1, T1/G12, ALT/G12, EFL/ (G23+G34) and EFL/ (T1+T4) value, refer to Figure 50.In the optical imaging lens 3 of the present embodiment, from the first lens thing side 311 into Length of the image planes 360 on optical axis is 4.408mm, and image height is 2.94mm.
Among Figure 15 (a) as can be seen that in the longitudinal spherical aberration of the present embodiment, it can be seen by the skewness magnitude level of each curve The imaging point deviation for going out the Off-axis-light of different height is controlled within ± 0.05mm.Astigmatism from Figure 15 (b) sagitta of arc direction In aberration, three kinds represent focal length variations amount of the wavelength in whole field range and fall in ± 0.08mm.From Figure 15 (c) meridian In the astigmatic image error in direction, three kinds represent focal length variations amount of the wavelength in whole field range and fall in ± 0.08mm.Figure 15 (d) distortion aberration of display optical imaging lens 3 is maintained in the range of ± 2.5%.
3rd embodiment is compared with first embodiment, and lens length is shorter, and distortion aberration is smaller.
Separately please also refer to Figure 18 to Figure 21, wherein Figure 18 is to show the optical imagery according to the fourth embodiment of the present invention The cross-sectional view of the quadruple lenses of camera lens, Figure 19 is display according to fourth embodiment of the present invention optical imaging lens Longitudinal spherical aberration and every aberration schematic diagram, Figure 20 is show optical imaging lens according to the fourth embodiment of the present invention detailed Thin optical data, Figure 21 is the aspherical number for each lens for showing the optical imaging lens according to the fourth embodiment of the present invention According to.The label similar with first embodiment is used to indicate similar component in the present embodiment, label only as used herein is opened Head is changed to 4, and such as the 3rd lens thing side is 431, and the 3rd lens image side surface is 432, and other reference numerals will not be repeated here. As shown in Figure 18, the optical imaging lens 4 of the present embodiment sequentially include an aperture 400, one first from thing side A1 to image side A2 Lens 410, one second lens 420, one the 3rd lens 430 and one the 4th lens 440.
Fourth embodiment towards thing side A1 thing side 411,421,431 and towards image side A2 image side surface 412,422, 432nd, the concavo-convex configuration of the lens surfaces such as 442,452 is generally similar with first embodiment, only each curvature of fourth embodiment half The related optical such as footpath, lens thickness, asphericity coefficient, back focal length parameter and the lens surface bumps configuration and the of thing side 441 One embodiment is different.Specifically, thing side 441 includes one and is located at area near circumference the difference that bumps with regard to lens surface are configured The convex surface part 4412 in domain.Each optical characteristics and each the air gap on each lens of the optical imaging lens 4 of the present embodiment Width, refer to Figure 20, on ALT/T2, (T2+T4)/G34, AAG/G12, (G23+G34)/T4, AAG/T4, (T1+T2)/ G12, EFL/G23, ALT/G12, (T3+T4)/G12, EFL/T1, T1/G12, ALT/G12, EFL/ (G23+G34) and EFL/ (T1+ T4 value), refer to Figure 50.
It is noted that in the optical imaging lens 4 of the present embodiment, from the first lens thing side 411 to imaging surface 460 Thickness on optical axis is 4.393mm, and image height is 2.94mm.
From Figure 19 (a) it can be seen that longitudinal spherical aberration, the skewness magnitude level of each curve can be seen that the Off-axis-light of different height Imaging point deviation control within ± 0.05mm.The astigmatic image error in sagitta of arc direction is can be seen that from Figure 19 (b), three kinds represent wavelength Focal length variations amount in whole field range falls in ± 0.06mm, and the astigmatic image error of meridian direction is can be seen that from Figure 19 (c), Three kinds represent focal length variations amount of the wavelength in whole field range and fall in ± 0.08mm.From Figure 19 (d) can be seen that optics into As the distortion aberration of camera lens 4 is maintained in the range of ± 2.5%.
Fourth embodiment is compared with first embodiment, and lens length is shorter, while distortion aberration is smaller.
Separately please also refer to Figure 22 to Figure 25, wherein Figure 22 is to show the optical imagery according to the fifth embodiment of the present invention The cross-sectional view of the quadruple lenses of camera lens, Figure 23 is display according to fifth embodiment of the present invention optical imaging lens Longitudinal spherical aberration and every aberration schematic diagram, Figure 24 is show optical imaging lens according to the fifth embodiment of the present invention detailed Thin optical data, Figure 25 is the aspherical number for each lens for showing the optical imaging lens according to the fifth embodiment of the present invention According to.The label similar with first embodiment is used to indicate similar component in the present embodiment, label only as used herein is opened Head is changed to 5, and such as the 3rd lens thing side is 531, and the 3rd lens image side surface is 532, and other reference numerals will not be repeated here. As shown in Figure 22, the optical imaging lens 5 of the present embodiment sequentially include an aperture 500, one first from thing side A1 to image side A2 Lens 510, one second lens 520, one the 3rd lens 530 and one the 4th lens 540.
5th embodiment towards thing side A1 thing side 511,521,531,541 and towards image side A2 image side surface 512, 522nd, the concavo-convex configuration of 532,542 lens surface is generally similar with first embodiment, only each curvature of the 5th embodiment half The related optical parameter such as footpath, lens thickness, asphericity coefficient and back focal length is different from first embodiment.Secondly, on this implementation Each optical characteristics and the width of each the air gap of each lens of the optical imaging lens 5 of example, refer to Figure 24, on ALT/ T2、(T2+T4)/G34、AAG/G12、(G23+G34)/T4、AAG/T4、(T1+T2)/G12、EFL/G23、ALT/G12、(T3+ T4)/G12, EFL/T1, T1/G12, ALT/G12, EFL/ (G23+G34) and EFL/ (T1+T4) value, refer to Figure 50.
In the optical imaging lens 5 of the present embodiment, from 511 thickness to imaging surface 560 on optical axis of the first lens thing side Spend for 4.402mm, image height is 2.94mm.
It can be seen that the longitudinal spherical aberration of the present embodiment, can be seen that not by the skewness magnitude level of each curve among from Figure 23 (a) The imaging point deviation of level Off-axis-light is controlled within ± 0.05mm.It can be seen that the present embodiment among from Figure 23 (b) Sagitta of arc direction astigmatic image error, three kinds represent focal length variations amount of the wavelength in whole field range and fall in ± 0.04mm. It can be seen that in the astigmatic image error of meridian direction, three kinds represent focal length of the wavelength in whole field range among from Figure 23 (c) Variable quantity falls in ± 0.08mm.Among Figure 23 (d) it can be seen that the distortion aberration of optical imaging lens 5 maintain ± In the range of 2.5%.
5th embodiment is compared with first embodiment, and distortion aberration is smaller, while also having, lens length is shorter, half angle of view Larger advantage.
Separately please also refer to Figure 26 to Figure 29, wherein Figure 26 is to show the optical imagery according to the sixth embodiment of the present invention The cross-sectional view of the quadruple lenses of camera lens, Figure 27 is display according to sixth embodiment of the present invention optical imaging lens Longitudinal spherical aberration and every aberration schematic diagram, Figure 28 is show optical imaging lens according to the sixth embodiment of the present invention detailed Thin optical data, Figure 29 is the aspherical number for each lens for showing the optical imaging lens according to the sixth embodiment of the present invention According to.The label similar with first embodiment is used to indicate similar component in the present embodiment, label only as used herein is opened Head is changed to 6, and such as the 3rd lens thing side is 631, and the 3rd lens image side surface is 632, and other reference numerals will not be repeated here. As shown in Figure 26, the optical imaging lens 6 of the present embodiment sequentially include an aperture 600, one first from thing side A1 to image side A2 Lens 610, one second lens 620, one the 3rd lens 630 and one the 4th lens 640.
Sixth embodiment towards thing side A1 thing side 611,621,631 and towards image side A2 image side surface 612,622, 632nd, the concavo-convex configuration of 642 lens surface is generally similar with first embodiment, only each lens surface of sixth embodiment The bumps of the lens surface of the related optical such as radius of curvature, lens thickness, asphericity coefficient, back focal length parameter and thing side 641 Configuration is different from first embodiment.Specifically, thing side 641 is located at including one justifies the difference that bumps with regard to lens surface are configured The convex surface part 6412 of all near zones.Each optical characteristics and each sky on each lens of the optical imaging lens 6 of the present embodiment The width in gas gap, refer to Figure 28, on ALT/T2, (T2+T4)/G34, AAG/G12, (G23+G34)/T4, AAG/T4, (T1+T2)/G12, EFL/G23, ALT/G12, (T3+T4)/G12, EFL/T1, T1/G12, ALT/G12, EFL/ (G23+G34) and EFL/ (T1+T4) value, refer to Figure 50.
In the optical imaging lens 6 of the present embodiment, from 611 thickness to imaging surface 660 on optical axis of the first lens thing side Spend for 4.366mm, image height is 2.94mm.
It can be seen that the longitudinal spherical aberration of the present embodiment, the skewness magnitude level of each curve can be seen that difference among from Figure 27 (a) The imaging point deviation of the Off-axis-light of height is controlled within ± 0.05mm.The astigmatic image error in Figure 27 (b) sagitta of arc direction, three kinds Focal length variations amount of the wavelength in whole field range is represented to fall in ± 0.04mm.The astigmatic image of Figure 27 (c) meridian direction Difference, three kinds represent focal length variations amount of the wavelength in whole field range and fall in ± 0.08mm.Figure 27 (d) shows optical imagery The distortion aberration of camera lens 6 is maintained in the range of ± 2.5%.
Sixth embodiment is compared with first embodiment, and lens length is shorter, and half angle of view is larger.
Separately please also refer to Figure 30 to Figure 33, wherein Figure 30 is to show the optical imagery according to the seventh embodiment of the present invention The cross-sectional view of the quadruple lenses of camera lens, Figure 31 is display according to seventh embodiment of the present invention optical imaging lens Longitudinal spherical aberration and every aberration schematic diagram, Figure 32 is show optical imaging lens according to the seventh embodiment of the present invention detailed Thin optical data, Figure 33 is the aspherical number for each lens for showing the optical imaging lens according to the seventh embodiment of the present invention According to.The label similar with first embodiment is used to indicate similar component in the present embodiment, label only as used herein is opened Head is changed to 7, and such as the 3rd lens thing side is 731, and the 3rd lens image side surface is 732, and other reference numerals will not be repeated here. As shown in Figure 30, the optical imaging lens 7 of the present embodiment sequentially include an aperture 700, one first from thing side A1 to image side A2 Lens 710, one second lens 720, one the 3rd lens 730 and one the 4th lens 740.
7th embodiment towards thing side A1 thing side 711,721,731 and towards image side A2 image side surface 712,722, 732nd, the concavo-convex configuration of 742 lens surface is generally similar with first embodiment, only each lens surface of the 7th embodiment The bumps of the lens surface of the related optical such as radius of curvature, lens thickness, asphericity coefficient, back focal length parameter and thing side 741 Configuration is different from first embodiment.Specifically, thing side 741 is located at including one justifies the difference that bumps with regard to lens surface are configured The convex surface part 7412 of all near zones.Each optical characteristics and each sky on each lens of the optical imaging lens 7 of the present embodiment The width in gas gap, refer to Figure 32, on ALT/T2, (T2+T4)/G34, AAG/G12, (G23+G34)/T4, AAG/T4, (T1+T2)/G12, EFL/G23, ALT/G12, (T3+T4)/G12, EFL/T1, T1/G12, ALT/G12, EFL/ (G23+G34) and EFL/ (T1+T4) value, refer to Figure 50.
In the optical imaging lens 7 of the present embodiment, from 711 thickness to imaging surface 760 on optical axis of the first lens thing side Spend for 4.453mm, image height is 2.94mm.
As can be seen that in the longitudinal spherical aberration of the present embodiment, the skewness magnitude level of each curve can be seen that not among Figure 31 (a) The imaging point deviation of level Off-axis-light is controlled within ± 0.05mm.It can be seen that sagitta of arc direction among from Figure 31 (b) Astigmatic image error, three kinds represent focal length variations amount of the wavelength in whole field range and fall in ± 0.04mm.From Figure 31 (c) when In it can be seen that meridian direction astigmatic image error, three kinds represent focal length variations amount of the wavelength in whole field range fall ± In 0.08mm.Figure 31 (d) shows that the distortion aberration of optical imaging lens 7 is maintained in the range of ± 2.5%.
7th embodiment is compared with first embodiment, and lens length is slightly shorter.
Separately please also refer to Figure 34 to Figure 37, wherein Figure 34 is to show the optical imagery according to the eighth embodiment of the present invention The cross-sectional view of the quadruple lenses of camera lens, Figure 35 is display according to eighth embodiment of the present invention optical imaging lens Longitudinal spherical aberration and every aberration schematic diagram, Figure 36 is show optical imaging lens according to the eighth embodiment of the present invention detailed Thin optical data, Figure 37 is the aspherical number for each lens for showing the optical imaging lens according to the eighth embodiment of the present invention According to.The label similar with first embodiment is used to indicate similar component in the present embodiment, label only as used herein is opened Head is changed to 8, and such as the 3rd lens thing side is 831, and the 3rd lens image side surface is 832, and other reference numerals will not be repeated here. As shown in Figure 34, the optical imaging lens 8 of the present embodiment sequentially include an aperture 800, one first from thing side A1 to image side A2 Lens 810, one second lens 820, one the 3rd lens 830 and one the 4th lens 840.
8th embodiment towards thing side A1 thing side 811,821,831 and towards image side A2 image side surface 812,822, 832nd, the concavo-convex configuration of 842 lens surface is generally similar with first embodiment, only each lens surface of the 8th embodiment The related optical such as radius of curvature, lens thickness, asphericity coefficient, back focal length parameter and thing side 841 concave-convex surface configuration with First embodiment is different.Specifically, thing side 841 includes one and is located near circumference the difference that bumps with regard to lens surface are configured The convex surface part 8412 in region.Each optical characteristics and each the air gap on each lens of the optical imaging lens 8 of the present embodiment Width, refer to Figure 36, on ALT/T2, (T2+T4)/G34, AAG/G12, (G23+G34)/T4, AAG/T4, (T1+T2)/ G12, EFL/G23, ALT/G12, (T3+T4)/G12, EFL/T1, T1/G12, ALT/G12, EFL/ (G23+G34) and EFL/ (T1+ T4 value), refer to Figure 50.
In the optical imaging lens 8 of the present embodiment, from 811 thickness to imaging surface 860 on optical axis of the first lens thing side Spend for 4.404mm, image height is 2.94mm.
It can be seen that in the longitudinal spherical aberration of the present embodiment, can be seen that by the skewness magnitude level of each curve among Figure 35 (a) The imaging point deviation of the Off-axis-light of different height is controlled within ± 0.05mm.It can be seen that sagitta of arc side among from Figure 35 (b) To astigmatic image error, three kinds represent focal length variations amount of the wavelength in whole field range and fall in ± 0.04mm.From Figure 35 (c) It is central it can be seen that meridian direction astigmatic image error, three kinds represent focal length variations amount of the wavelength in whole field range fall ± In 0.08mm.Figure 35 (d) shows that the distortion aberration of optical imaging lens 8 is maintained in the range of ± 2.5%.
8th embodiment is compared with first embodiment, and lens length is shorter, and half angle of view is larger.
Separately please also refer to Figure 38 to Figure 41, wherein Figure 38 is to show the optical imagery according to the ninth embodiment of the present invention The cross-sectional view of the quadruple lenses of camera lens, Figure 39 is display according to ninth embodiment of the present invention optical imaging lens Longitudinal spherical aberration and every aberration schematic diagram, Figure 40 is show optical imaging lens according to the ninth embodiment of the present invention detailed Thin optical data, Figure 41 is the aspherical number for each lens for showing the optical imaging lens according to the ninth embodiment of the present invention According to.The label similar with first embodiment is used to indicate similar component in the present embodiment, label only as used herein is opened Head is changed to 9, and such as the 3rd lens thing side is 931, and the 3rd lens image side surface is 932, and other reference numerals will not be repeated here. As shown in Figure 38, the optical imaging lens 9 of the present embodiment sequentially include an aperture 900, one first from thing side A1 to image side A2 Lens 910, one second lens 920, one the 3rd lens 930 and one the 4th lens 940.
9th embodiment towards thing side A1 thing side 911,921,931,941 and towards image side A2 image side surface 912, 932nd, the concavo-convex configuration of 942 lens surface is generally similar with first embodiment, only each lens surface of the 9th embodiment The related optical such as radius of curvature, lens thickness, asphericity coefficient, back focal length parameter and image side surface 922 concave-convex surface configuration with First embodiment is different.Specifically, image side surface 922 includes one and is located near optical axis the difference that bumps with regard to lens surface are configured The convex surface part 9221 in region.Each optical characteristics and each the air gap on each lens of the optical imaging lens 9 of the present embodiment Width, refer to Figure 40, on ALT/T2, (T2+T4)/G34, AAG/G12, (G23+G34)/T4, AAG/T4, (T1+T2)/ G12, EFL/G23, ALT/G12, (T3+T4)/G12, EFL/T1, T1/G12, ALT/G12, EFL/ (G23+G34) and EFL/ (T1+ T4 value), refer to Figure 50.
In the optical imaging lens 9 of the present embodiment, from 911 thickness to imaging surface 960 on optical axis of the first lens thing side Spend for 4.409mm, image height is 2.94mm.
It can be seen that in the longitudinal spherical aberration of the present embodiment, can be seen that by the skewness magnitude level of each curve among Figure 39 (a) The imaging point deviation of the Off-axis-light of different height is controlled within ± 0.05mm.It can be seen that sagitta of arc side among from Figure 39 (b) To astigmatic image error, three kinds represent focal length variations amount of the wavelength in whole field range and fall in ± 0.04mm.From Figure 39 (c) It is central it can be seen that meridian direction astigmatic image error, three kinds represent focal length variations amount of the wavelength in whole field range fall ± In 0.08mm.Figure 39 (d) shows that the distortion aberration of optical imaging lens 9 is maintained in the range of ± 2.5%.
9th embodiment is compared with first embodiment, and lens length is shorter, and half angle of view is larger.
Separately please also refer to Figure 42 to Figure 45, wherein Figure 42 is to show the optical imagery according to the tenth embodiment of the present invention The cross-sectional view of the quadruple lenses of camera lens, Figure 43 is display according to tenth embodiment of the present invention optical imaging lens Longitudinal spherical aberration and every aberration schematic diagram, Figure 44 is show optical imaging lens according to the tenth embodiment of the present invention detailed Thin optical data, Figure 45 is the aspherical number for each lens for showing the optical imaging lens according to the tenth embodiment of the present invention According to.The label similar with first embodiment is used to indicate similar component in the present embodiment, label only as used herein is opened Head is changed to 10, and such as the 3rd lens thing side is 1031, and the 3rd lens image side surface is 1032, and other reference numerals are no longer gone to live in the household of one's in-laws on getting married herein State.As shown in Figure 42, the optical imaging lens 10 of the present embodiment sequentially include an aperture 1000, one from thing side A1 to image side A2 First lens 1010, one second lens 1020, one the 3rd lens 1030 and one the 4th lens 1040.
Tenth embodiment towards thing side A1 thing side 1011,1021,1031 and towards image side A2 image side surface 1012, 1032nd, the concavo-convex configuration of 1042 lens surface is generally similar with first embodiment, only each lens surface of the tenth embodiment The related optical parameter such as radius of curvature, lens thickness, asphericity coefficient, back focal length and thing side 1041 and image side surface 1022 Lens surface bumps configuration is different from first embodiment.Specifically, thing is sideways for the difference that bumps with regard to lens surface are configured 1041 include a convex surface part 10412 for being located at circumference near zone, and image side surface 1022 includes one and is located at the convex of optical axis near zone Face 10221.On each optical characteristics and the width of each the air gap of each lens of the optical imaging lens 10 of the present embodiment, Refer to Figure 44, on ALT/T2, (T2+T4)/G34, AAG/G12, (G23+G34)/T4, AAG/T4, (T1+T2)/G12, EFL/G23, ALT/G12, (T3+T4)/G12, EFL/T1, T1/G12, ALT/G12, EFL/ (G23+G34) and EFL/ (T1+T4) Value, refer to Figure 50.
In the optical imaging lens 10 of the present embodiment, from the first lens thing side 1011 to imaging surface 1060 on optical axis Thickness is 4.404mm, and image height is 2.94mm.
It can be seen that in the longitudinal spherical aberration of the present embodiment, can be seen that by the skewness magnitude level of each curve among Figure 43 (a) The imaging point deviation of the Off-axis-light of different height is controlled within ± 0.05mm.It can be seen that sagitta of arc side among from Figure 43 (b) To astigmatic image error, three kinds represent focal length variations amount of the wavelength in whole field range and fall in ± 0.04mm.From Figure 43 (c) It is central it can be seen that meridian direction astigmatic image error, three kinds represent focal length variations amount of the wavelength in whole field range fall ± In 0.08mm.Figure 43 (d) shows that the distortion aberration of optical imaging lens 10 is maintained in the range of ± 2.5%.
Tenth embodiment is compared with first embodiment, and lens length is shorter, and half angle of view is larger.
Separately please also refer to Figure 46 to Figure 49, wherein Figure 46 be show optics according to the 11st embodiment of the present invention into As the cross-sectional view of the quadruple lenses of camera lens, Figure 47 is display according to 11st embodiment of the present invention optical imagery The longitudinal spherical aberration of camera lens and every aberration schematic diagram, Figure 48 is to show the optical imaging lens according to the 11st embodiment of the present invention The detailed optical data of head, Figure 49 is the non-of each lens for the optical imaging lens for showing the foundation 11st embodiment of the present invention Sphere data.The label similar with first embodiment is used to indicate similar component in the present embodiment, it is only as used herein Label beginning is changed to 11, and such as the 3rd lens thing side is 1131, and the 3rd lens image side surface is 1132, and other reference numerals are herein Repeat no more.As shown in Figure 46, the optical imaging lens 11 of the present embodiment sequentially include an aperture from thing side A1 to image side A2 1100th, one first lens 1110, one second lens 1120, one the 3rd lens 1130 and one the 4th lens 1140.
The image side surface towards thing side A1 thing side 1111,1121,1131 and towards image side A2 of 11st embodiment 1112nd, the concavo-convex of 1122,1132,1142 lens surface configures generally similar with first embodiment, only the 11st embodiment Related optical parameter and the first embodiment such as radius of curvature, lens thickness, asphericity coefficient and the back focal length of each lens surface It is different.Specifically, thing side 1141 includes one and is located at the convex of circumference near zone the difference that bumps with regard to lens surface are configured Face 11412.On each optical characteristics and the width of each the air gap of each lens of the optical imaging lens 11 of the present embodiment, Refer to Figure 48, on ALT/T2, (T2+T4)/G34, AAG/G12, (G23+G34)/T4, AAG/T4, (T1+T2)/G12, EFL/G23, ALT/G12, (T3+T4)/G12, EFL/T1, T1/G12, ALT/G12, EFL/ (G23+G34) and EFL/ (T1+T4) Value, refer to Figure 50.
In the optical imaging lens 11 of the present embodiment, from the first lens thing side 1111 to imaging surface 1160 on optical axis Thickness is 4.459mm, and image height is 2.94mm.
It can be seen that in the longitudinal spherical aberration of the present embodiment, can be seen that by the skewness magnitude level of each curve among Figure 47 (a) The imaging point deviation of the Off-axis-light of different height is controlled within ± 0.05mm.It can be seen that sagitta of arc side among from Figure 47 (b) To astigmatic image error, three kinds represent focal length variations amount of the wavelength in whole field range and fall in ± 0.04mm.From Figure 47 (c) It is central it can be seen that meridian direction astigmatic image error, three kinds represent focal length variations amount of the wavelength in whole field range fall ± In 0.08mm.Figure 47 (d) shows that the distortion aberration of optical imaging lens 11 is maintained in the range of ± 2.5%.
11st embodiment is compared with first embodiment, and half angle of view is bigger, and is easy to manufacture.
Figure 50 systems list the T1 of the one embodiment of the above ten, T2, T3, T4, G12, G23, G34, AAG, ALT, EFL, BFL, ALT/T2、(T2+T4)/G34、AAG/G12、(G23+G34)/T4、AAG/T4、(T1+T2)/G12、EFL/G23、ALT/G12、 (T3+T4)/G12, EFL/T1, T1/G12, ALT/G12, EFL/ (G23+G34) and EFL/ (T1+T4) value, it can be seen that the present invention Optical imaging lens can meet foregoing relationships (1), (2) and/or relational expression (3)~(14) really.
Figure 51 is referred to, one first for the portable electronic devices 20 of application aforementioned optical imaging lens preferably implements Example, portable electronic devices 20 include a casing 21 and an image module 22 in casing 21.Only it is with mobile phone herein Exemplified by illustrate portable electronic devices 20, but the pattern of portable electronic devices 20 is not limited, for example, portable electricity Sub-device 20 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 changeless optical imaging lens to have a focal length in image module 22, it include just like Preceding described optical imaging lens, such as exemplarily are used to supply from the optical imaging lens 1, one of aforementioned first embodiment herein The lens barrel 23, one that optical imaging lens 1 are set is used for module rear seat unit (the module housing set for lens barrel 23 Unit) 24, one substrate 162 and one set for the module rear seat unit 24 is arranged at the substrate 162 and positioned at optical imaging lens The image sensor 161 of first 1 image side.Imaging surface 160 is formed at image sensor 161.
Though it is noted that the present embodiment shows optical filtering part 150, but optical filtering part can be also omitted in other embodiments 150 structure, is not limited with necessity of optical filtering part 150, and casing 21, lens barrel 23 and/or module rear seat unit 24 can be single One component or multiple assembling components are formed, without being defined in this；Secondly, it is that image sensor 161 is used in the present embodiment It is connected directly between using the packaged type of interconnection system chip package on plate (Chip on Board, COB) on substrate 162, and tradition The difference of the packaged type of chip size packages (Chip Scale Package, CSP) is that interconnection system chip package is not on plate It need to use protective glass (cover glass), therefore in optical imaging lens 1 and need not be before image sensor 161 Protective glass is set, and the right present invention is not limited thereto.
The overall quadruple lenses 110,120,130,140 with refractive index are exemplarily between relative two lens points Not Cun the mode of a air gap be arranged in lens barrel 23.
Module rear seat unit 24 includes one with the image sensor back seat of camera lens back seat 2401 and one set for lens barrel 23 2406.Lens barrel 23 is to be coaxially disposed with camera lens back seat 2401 along an axis I-I', and lens barrel 23 is arranged in camera lens back seat 2401 Side, image sensor back seat 2406 is located between the camera lens back seat 2401 and the image sensor 161, and after the image sensor Seat 2406 and the camera lens back seat 2401 fit, and so in other embodiments, are not necessarily present image sensor back seat 2406.
Due to the length only 4.454mm of optical imaging lens 1, therefore can be by the size design of portable electronic devices 20 It is more compact, and remain able to provide good optical property and image quality.Thereby, the present embodiment is made except with subtracting Outside the economic benefit of few casing raw material dosage, moreover it is possible to meet compact product design trend and consumption demand.
Figure 52 separately is referred to, one second for the portable electronic devices 20' of application aforementioned optical imaging lens 1 is preferably real The master for applying example, the portable electronic devices 20' of the second preferred embodiment and the portable electronic devices 20 of the first preferred embodiment Difference is wanted to be：Camera lens back seat 2401 have a First body unit 2402, one second pedestal unit 2403, a coil 2404 and One magnet assembly 2405.First body unit 2402 fits with the outside of lens barrel 23 and set along an axis I-I', the second pedestal Unit 2403 is set along axis I-I' and around the outside of First body unit 2402.Coil 2404 is arranged on First body unit Between 2402 outsides and the inner side of the second pedestal unit 2403.Magnet assembly 2405 is arranged on the outside of coil 2404 and the second pedestal list Between the inner side of member 2403.
First body unit 2402 can be with lens barrel 23 and the optical imaging lens being arranged in lens barrel 23 1 along axis I-I' It is mobile.The other assemblies structure of portable electronic devices 20' second embodiment is then filled with the portable electronic of first embodiment Put 20 similar, will not be repeated here.
Similarly, due to the length only 4.454mm of optical imaging lens 1, therefore can be by portable electronic devices 20' chi 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 longitudinal spherical aberration of each embodiment of optical imaging lens of the present invention, astigmatic image error, distortion all meet operating specification.Separately Outside, three kinds represent wavelength and are all concentrated in the Off-axis-light of different height near imaging point, can by the skewness magnitude level of each curve Find out that the imaging point deviation of the Off-axis-light of different height is all controlled and suppresses energy with good spherical aberration, aberration, distortion Power.Further regard to image quality data, three kinds represent that the distance of wavelength to each other is also fairly close, and the display present invention is various Under state it is good to the centrality of different wave length light and with excellent dispersion rejection ability.In summary, the present invention is by saturating The design of mirror can produce excellent image quality with being collocated with each other.
Although specifically showing and describing the present invention with reference to preferred embodiment, those skilled in the art should be bright In vain, do not departing from the spirit and scope of the present invention that appended claims are limited, 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 (14)

1. a kind of optical imaging lens, an aperture is sequentially included from thing side to image side along an optical axis, one first lens, one second saturating Mirror, one the 3rd lens and one the 4th lens, each lens all have refractive index, and have one towards thing side and lead to imaging light The thing side crossed and one towards image side and the image side surface that passes through imaging light, wherein：
First lens have positive refractive index, and the thing side of first lens has a convex surface for being located at circumference near zone Portion, and its image side surface has a convex surface part for being located at circumference near zone；
Second lens have negative refractive index, and its thing side has one to be located at circumference positioned at the concave part of optical axis near zone and one The concave part of near zone；
3rd lens have positive refractive index, and its thing side has a concave part for being located at optical axis near zone and one positioned at circumference The concave part of near zone, and its image side surface has a convex surface part for being located at circumference near zone；And
4th lens have negative refractive index, and the image side surface of the 4th lens has a concave part for being located at optical axis near zone And one be located at circumference near zone convex surface part；
Wherein, the optical imaging lens, which only possess above-mentioned four, has the lens of refractive index, and meets following relationship：
ALT/T2≦5.4；(T1+T2)/G12≦4.8；And
(T2+T4)/G34≦4.0；
T1 represents the thickness of first lens on the optical axis, and T2 represents the thickness of second lens on the optical axis, and T4 is represented Thickness of 4th lens on the optical axis, G12 represents the air on the optical axis between first lens and second lens Gap width, G34 represents the air gap width on the optical axis between the 3rd lens and the 4th lens, and ALT is represented should Four piece lens thickness summations of first lens to the 4th lens on optical axis.
2. optical imaging lens as claimed in claim 1, it is characterised in that：The optical imaging lens more meet AAG/G12≤ 6.0, AAG represent first lens to three air gap width summations between the 4th lens on optical axis.
3. optical imaging lens as claimed in claim 2, it is characterised in that：The optical imaging lens more meet EFL/T1≤ 5.5, EFL represent the effective focal length of the optical imaging lens.
4. optical imaging lens as claimed in claim 1, it is characterised in that：The optical imaging lens more meet (G23+G34)/ T4≤2.2, G23 represents the air gap width on the optical axis between second lens and the 3rd lens.
5. optical imaging lens as claimed in claim 4, it is characterised in that：The optical imaging lens more meet T1/G12≤ 2.9。
6. optical imaging lens as claimed in claim 1, it is characterised in that：The optical imaging lens more meet AAG/T4≤ 2.7, AAG represent first lens to three air gap width summations between the 4th lens on optical axis.
7. optical imaging lens as claimed in claim 6, it is characterised in that：The optical imaging lens more meet ALT/G12≤ 9.2。
8. optical imaging lens as claimed in claim 1, it is characterised in that：The optical imaging lens more meet EFL/G23≤ 7.3, G23 represent the air gap width on the optical axis between second lens and the 3rd lens, EFL represent the optics into As an effective focal length of camera lens.
9. optical imaging lens as claimed in claim 8, it is characterised in that：Second lens of the optical imaging lens should A concave part for being located at circumference near zone positioned at the convex surface part of optical axis near zone and one is more formed with image side surface.
10. optical imaging lens as claimed in claim 1, it is characterised in that：The optical imaging lens more meet ALT/G12≤ 10.0。
11. optical imaging lens as claimed in claim 10, it is characterised in that：The optical imaging lens more meet EFL/ (G23 + G34)≤4.5, G23 represent the air gap width on the optical axis between second lens and the 3rd lens, and EFL is represented One effective focal length of the optical imaging lens.
12. optical imaging lens as claimed in claim 1, it is characterised in that：The optical imaging lens more meet (T3+T4)/ G12≤5.0, T3 represents thickness of the 3rd lens on the optical axis.
13. optical imaging lens as claimed in claim 12, it is characterised in that：The optical imaging lens more meet EFL/ (T1+ T4)≤3.1, EFL represents an effective focal length of the optical imaging lens.
14. a kind of portable electronic devices, including：
One casing；And
One image module, is installed in the casing, including：
Just like the optical imaging lens any one of claim 1 to 13；
One lens barrel, for for setting the optical imaging lens；
One module rear seat unit, for for setting the lens barrel；And
One image sensor, positioned at the image side of the optical imaging lens.
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