CN104977634B - Lens arra - Google Patents

Abstract

The open a kind of lens arra of the present invention, including multiple lenticule modules.Each lenticule module includes the first battery of lens and the second battery of lens.First battery of lens and the second battery of lens are sequentially arranged to image side along optical axis from object side.The effective focal length (effective focal length, EFL) of the first battery of lens is f1, and the EFL of the second battery of lens is f2, and such lenticule module meets following condition: 0.2 < f1/f2 < 0.5.

Description

Lens arra

Technical field

The present invention relates to a kind of lens arra, particularly relate to a kind of lens arra, its first and second micro- The aspheric surface of lens module differs.

Background technology

Conventional lens array transmits the light of different wave length to CIS.By processing CIS The light of the different wave length received, it is possible to improve resolution and the degree of depth of field.But, due to different ripples Long rays pass through lens array has different refracting poweies, therefore axial aberration (axial aberration) It is deteriorated.Accordingly, it would be desirable to improve the design of lens arra.

Summary of the invention

Below in an example by with reference to attached drawings and give detailed description.

The open a kind of lens arra of one embodiment of the invention.This lens arra includes multiple micro lens mould Block.Each lenticule module includes one first battery of lens and one second battery of lens.This first battery of lens and should Second battery of lens is sequentially arranged to image side along optical axis from object side.The effective focal length of this first battery of lens (effective focal length, EFL) is f1, and the EFL of this second battery of lens is f2, and such micro- Lens module meets following condition :-0.2 < f1/f2 < 0.5.

The open a kind of lens arra of one embodiment of the invention.This lens arra includes that first and second is micro- Mirror module, this first and this second lenticule module include that there are one first aspheric one first lens Group.This first aspheric radius of curvature of this first lenticule module is different from this second lenticule module This first aspheric radius of curvature.

The open a kind of lens arra of one embodiment of the invention.This lens arra includes first, second and Three lenticule modules, and this first, this second and the 3rd lenticule module all include: one first lens Group and one second battery of lens.This first battery of lens has one first aspheric surface.This first battery of lens and this Two battery of lens are sequentially arranged to an image side along an optical axis from an object side, this first, this second and should This first aspheric radius of curvature of 3rd lenticule module is different, and this first, this second and this Three lenticule modules meet the EFL < 0.5 of-0.2 < EFL/ of this first battery of lens this second battery of lens.

Accompanying drawing explanation

This can be more preferably understood by reading the description of details below and the example with reference to attached drawings Bright.

Figure 1A is the schematic diagram according to the lens arra described in one embodiment of the invention.

Figure 1B is the schematic diagram according to the lens array system described in one embodiment of the invention.

Fig. 2 A is the schematic diagram according to the lenticule module described in one embodiment of the invention.

Fig. 2 B is the schematic diagram according to another lenticule module described in one embodiment of the invention.

Fig. 3 A-3C and Fig. 4 A-4C is the simulation according to the lens arra described in another embodiment of the present invention Schematic diagram data.

Fig. 5 A-5C and Fig. 6 A-6C is the simulation according to the lens arra described in another embodiment of the present invention Schematic diagram data.

Fig. 7 A-7C and Fig. 8 A-8C is the simulation according to the lens arra described in another embodiment of the present invention Schematic diagram data.

Fig. 9 A-9C and Figure 10 A-10C is the mould according to the lens arra described in another embodiment of the present invention Intend schematic diagram data.

Symbol description

10～lens arra

L1-L9～lens module

20～lens array system

22～chromatic filter layer

221～chromatic filter

222～chromatic filter

223～chromatic filter

23～CIS

S1-S8～surface

100～lenticule module

110～first battery of lens

112～first lens

114～first plate glass

116～second lens

120～second battery of lens

122～the 3rd lens

124～second plate glass

126～the 4th lens

A～optical axis

111～aperture diaphragm

113～infrared filter

Detailed description of the invention

The manufacture of various embodiments of the invention discussed more fully below and using method.But it is noticeable It is that the feasible inventive concept of many provided by the present invention may be implemented in various particular range.These are special Determine embodiment and be only used for illustrating manufacture and the using method of the present invention, but non-for limiting the present invention's Scope.Scope of the invention is determined by appended claims.

Figure 1A is the schematic diagram according to the lens arra described in one embodiment of the invention.Such as Figure 1A institute Showing, a lens arra 10 has multiple lens module L1-L9.It is noted that if there is a need to, The quantity of lenticule module can be revised.In one embodiment, this lens arra is in order to receive the shadow of object Picture (i.e. light) also makes image pass through to CIS.

Figure 1B is the schematic diagram according to the lens array system described in one embodiment of the invention.Such as Figure 1B Shown in, a lens array system 20 includes this microlens array 10, one chromatic filter layer (color-filter Layer) 22 and a CIS 23.This chromatic filter layer 22 is band filter, so that certain wave Long light passes through.For example, a chromatic filter (color-filter) 221 is in order to make wavelength be positioned at The light (i.e. HONGGUANG) of 570nm 650nm passes through.One chromatic filter 222 is in order to make wavelength be positioned at The light (i.e. green glow) of 490nm 570nm passes through.One chromatic filter 223 is in order to make wavelength be positioned at The light (i.e. blue light) of 410nm 490nm passes through.This light sensor 23 is in order to sensing image. In the present embodiment, this CIS 23 can be charge coupled cell (charge coupled device, Or CMOS (complementary CCD), Metal-oxide-semiconductor, CMOS) sensor, but it is not limited to this.

Refer to Fig. 2 A.Fig. 2 A is according to this lens arra 10 described in one embodiment of the invention The schematic diagram of lenticule module.As shown in Figure 2 A, a lenticule module 100 includes one first battery of lens 110 and one second battery of lens 120, but it is not limited to this.In the present embodiment, this first battery of lens 110 And this second battery of lens 120 is sequentially arranged to an image side along an optical axis A from an object side.

In the present embodiment, this first battery of lens 110 and/or this second battery of lens include multiple lens, but It is not limited to this.Particularly, this first battery of lens 110 includes that one first lens 112,1 first are flat Glass sheet (flat lens) 114 and one second lens 116, sequentially set along this optical axis A from this object side Put to this image side, but be not limited to this.This second battery of lens 120 includes one the 3rd lens 122, Second plate glass 124 and one the 4th lens 126, along this optical axis A from this object side sequentially arrange to This image side, but it is not limited to this.

In addition, a surface S1 of this object side faced by these first lens 112 is one first aspheric surface. One surface S2 of these the first lens 112 is in the face of this image side and leans against the one of this first plate glass 114 In plane.One surface S3 of these the second lens 116 is in the face of this object side and leans against this first plate glass One counter plane of 114.These second lens 116 are one second aspheric in the face of a surface S4 of this image side Face.It is to say, in this first battery of lens 110, this first aspheric surface (S1) is near this object Side.In this first battery of lens 110, this second aspheric surface (S4) is near this image side.

Similar, the 3rd lens 122 are one the 3rd aspheric surface in the face of a surface S5 of this object side. One surface S6 of the 3rd lens 122 is in the face of this image side and leans against the one of this second plate glass 124 In plane.One surface S7 of the 4th lens 126 is in the face of this object side and leans against this second plate glass One counter plane of 124.4th lens 126 are one the 4th non-in the face of a surface S8 of this image side Sphere.It is to say, in this second battery of lens 120, the 3rd aspheric surface (S5) is near this thing Side.In this second battery of lens 120, the 4th aspheric surface (S8) is near this image side.

In the present embodiment, the effective focal length (effective focal length, EFL) of this first battery of lens For f1, the effective focal length of this second battery of lens is f2.In order to ensure optical image quality, such lenticule Module meets following condition :-0.2 < f1/f2 < 0.5.In one embodiment, this first plate glass 114 Refractive index is between 1.5-1.6, and the Abbe number (Abbe number) of this first plate glass is between 45-65. The refractive index of this second plate glass 124 between 1.5-1.6, and the Abbe number of this second plate glass between 45-65。

As shown in Figure 2 B, in one embodiment, this first battery of lens 110 also includes an aperture diaphragm (aperture stop) 111 and infrared ray (infrared, an IR) wave filter 113.This aperture diaphragm 111 And this infrared filter 113 can be optionally provided at a plane of this first plate glass 114 On.This aperture diaphragm 111 is in order to determine to arrive the quantity of the light of CIS, and the filtering of this infrared ray Device 113 is in order to stop the most undesired infrared ray.This aperture diaphragm 111 and this infrared filter 113 Can be arranged on the surface of such lens or on this first plate glass by coating (coating).At this In one exemplary embodiment, this aperture diaphragm 110 is arranged on this first plate glass in the face of this surface S2 In the plane of 114.This infrared filter 113 is non-essential is arranged on this first plate glass 114 In at least one plane.In this, this infrared filter 113 be arranged in the face of this surface S3 this first On one surface of plate glass 114, this is exemplary explanation, and is not limited to this.Real at another Executing in example, this infrared filter 113 may also be arranged on this first plate glass 114 in the face of this surface S2 Plane on.In another embodiment, this aperture diaphragm 111 and this infrared filter 113 are the most optional In the plane being arranged at this second plate glass 124 of selecting property.

Refer to Figure 1B, in the present embodiment, this first aspheric surface of this first lenticule module L1 is not It is same as the aspheric surface of this second lenticule module L2.For example, this first lenticule module L1 should First aspheric radius of curvature is different from this first aspheric curvature of this second lenticule module L2 Radius.

In the present embodiment, this first battery of lens of this first lenticule module L1 has one in order to transmit One first light of first wave length to this CIS 23, this first lenticule module L1 this first Battery of lens has should one first focal length of the first light.Similar, this second lenticule module L2 In order to transmit one second light with a second wave length to this CIS 23, this second micro lens mould This first battery of lens of block L2 has should one second focal length of the second light.In the present embodiment, This first wave length is different from this second wave length, and this first focal length is equal to this second focal length.Particularly, When this first light and this second light are respectively by this first lenticule module L1 and this second lenticule During module L2, this first light and this second light have identical focal plane.It is to say, when being somebody's turn to do First and this second light when being received by this lens arra 10 and be sent to this CIS 23, should The refractive index of the first light and this second light is identical.Accordingly, it is capable to improve this first and this second light Axial aberration.

In another embodiment (as shown in Figure 1B), this lens arra 10 includes one first micro lens mould Block L1, one second lenticule module L2 and one the 3rd lenticule module L3.This first, this second and 3rd lenticule module L1, L2 and L3 in order to be respectively transmitted this first, this second and the 3rd light Line is to CIS 23.In the present embodiment, this first light is HONGGUANG, and red light wavelength between 570nm–650nm.This second light is green glow, and green wavelength is between 490nm 570nm.Should 3rd light is blue light, and blue light wavelength is between 410nm 490nm.In the present embodiment, when this One, this is second and the 3rd when all being received by this lens arra 10 and reach this CIS 23, This first, this second and the 3rd the refractive index of light identical.Accordingly, it is capable to improve HONGGUANG, green glow and indigo plant The axial aberration (axial aberration) of light.

One embodiment of this lens arra 10 presented below.It is noted that in data listed in Table Not it is used for limiting the present invention, and in this area, those skilled in the art can suitably change parameter or set Determine parameter without departing from scope of the invention.

In the first embodiment, total optical path (total track) is 2.33 and image space F/#(image space F/#) (F-ratio (F-number)) is 3.In the present embodiment, this lens arra 10 include this One, this second and the 3rd lenticule module L1-L3, but be not limited to this.In addition, at least should The first, this second and the 3rd lenticule module L1-L3 aspheric therein one there is different songs Rate radius.More particularly, this first, this second and the 3rd lenticule module L1-L3 such non- Spherical Surface S 1 is differing from each other, but is not limited to this.One first of this lens arra 10 according to the present invention Embodiment proposition following data:

Table 1-1

Table 1-2

Lenticule module	Surface	Radius of curvature (mm)
			First	S1	0.929452
Second	S1	0.918828
			3rd	S1	0.939387

In table 1-1, distance refers to along this optical axis A air line distance between two adjacently situated surfaces. For example, the distance of this surface S3 be along this optical axis A between this surface S3 and this surface S4 Air line distance.Total optical path refers to from this surface S1 to the distance summation of this surface S8.In the table, The distance of each lens, refractive index and the Abbe number shown by " attention " be expert at can be looked at every string To distance, refractive index and the numerical value corresponding to Abbe number.In addition, in table 1-1, this surface S1 and two surfaces that this surface S2 is these the first lens 112, this surface S3 and this surface S4 is for being somebody's turn to do Two surfaces of the second lens 116, this surface S5 and this surface S6 is the 3rd lens 122 two Surface, this surface S7 and two surfaces that this surface S8 is the 4th lens 126.Radius of curvature, away from From and other parameters be shown in table 1-1, and in order to succinctly omit its details.

Additionally, all use aspherical shape according to such surface of such lenticule module of the present invention, its Below equation is shown in:

$z=\frac{{\mathrm{ch}}^2}{1+{[1-(k+1)c^2{h}^2]}^{\frac{1}{2}}}+{\mathrm{\&alpha;}}_2{h}^4+{\mathrm{\&alpha;}}_3{h}^6+{\mathrm{\&alpha;}}_4{h}^8+{\mathrm{\&alpha;}}_5{h}^{10}+{\mathrm{\&alpha;}}_6{h}^{12}+{\mathrm{\&alpha;}}_7{h}^{14}+{\mathrm{\&alpha;}}_8{h}^{16}$

Wherein, z represents sag of chain (sag amount), its be defined as on the direction of this optical axis A from The distance a little arriving this aspheric plane of tangent in this aspheric surface.K is tapering constant (taper Constant).C=1/r, r are radius of curvature.H is the height of lens.α₂It is 4 rank asphericity coefficients.α₃ It is 6 rank asphericity coefficients.α₄It is 8 rank asphericity coefficients.α₅It is 10 rank asphericity coefficients.α₆It is 12 Rank asphericity coefficient, etc..The factor alpha of such surface S4, S5, S8₂-α₈Tabular in table 2-1, and This first, this second and the 3rd factor alpha of lenticule module₂-α₈Tabular is in table 2-2.

Table 2-1

Table 2-2

Fig. 3 A-3C and the image optics (imaging of lens arra 10 that Fig. 4 A-4C is Figure 1B Optical) analog data schematic diagram.As shown in figs. 3 a-3 c, multiple filed curvatures (field curvature) Schematic diagram and distortion schematic diagram are respectively to should the first lenticule module L1, this second lenticule module L2 And the 3rd lenticule module L3.Particularly, Fig. 3 A show the wavelength when light be positioned at 650nm, When the light of 610nm and 570nm is received by this first lenticule module L1, this first micro lens mould The filed curvature of block L1 and distortion.Fig. 3 B show the wavelength when light be positioned at 490nm, 530nm and When the light of 610nm is received by this second lenticule module L2, the picture of this second lenticule module L2 Field bend and distortion.Fig. 3 C shows when the wavelength of light is positioned at 410nm, 450nm and 490nm When light is received by the 3rd lenticule module L3, the filed curvature of the 3rd lenticule module L3 and mistake Very.In addition, as shown in figs. 4 a-4 c, lateral light fan figure (the transverse ray fan of multiple images Plot) respectively to should the first lenticule module L1, this second lenticule module L2 and the 3rd micro- Mirror module L3.According to above-mentioned first embodiment, the axial aberration energy of this lens arra 10 of the present embodiment Effectively improved, as shown in Fig. 3 A-3C and Fig. 4 A-4C.In addition, at this first lenticule Key light line angle (chief in module L1, this second lenticule module L2 and the 3rd lenticule module L3 Ray angle, CRA) difference less than ± 0.5 degree, at this first lenticule module L1, this is second micro- Distortion in mirror module L2 and the 3rd lenticule module L3 is less than ± 0.5%.In addition, this first The effective focal length of battery of lens (that is, the first lens and the second lens) is f1, and this second battery of lens is (i.e., 3rd lens and the 4th lens) effective focal length be f2, and such lenticule module also meets following condition: -0.2<f1/f2<0.5。

One second embodiment of this lens arra 10 is provided in lower section.In a second embodiment, total optical path It is 2.34 and image space F/# is 2.8.This second embodiment of this lens arra 10 according to the present invention Following data is proposed.

Table 3-1

Table 3-2

The data of the asphericity coefficient on the surface of this second embodiment of this lens arra 10 are the most following.Should Factor alpha Deng surface S4, S5 and S8₂-α₈Tabular in table 4-1, this first, this is the second, the 3rd micro- The factor alpha of this surface S1 of lens module L1-L3₂-α₈Tabular is in table 4-2.

Table 4-1

Table 4-2

Fig. 5 A-5C and Fig. 6 A-6C is the image optics of this second embodiment of lens arra 10 (imaging optical) analog data schematic diagram.As shown in figures 5a-5c, multiple filed curvatures signal Figure and distortion schematic diagram respectively to should the first lenticule module L1, this second lenticule module L2 and should 3rd lenticule module L3.Particularly, Fig. 5 A show the wavelength when light be positioned at 650nm, 610 When the light of nm and 570nm is received by this first lenticule module L1, this first lenticule module L1 Filed curvature and distortion.Fig. 5 B shows when the wavelength of light is positioned at 490nm, 530nm and 610nm Light when being received by this second lenticule module L2, the filed curvature of this second lenticule module L2 and Distortion.Fig. 5 C shows when the wavelength of light is positioned at the light of 410nm, 450nm and 490nm by this When 3rd lenticule module L3 receives, the filed curvature of the 3rd lenticule module L3 and distortion.Except this Outside, as shown in figs 6 a-6 c, the lateral light of multiple images fan figure is respectively to should the first lenticule module L1, this second lenticule module L2 and the 3rd lenticule module L3.According to above-mentioned second embodiment, The axial aberration of this lens arra 10 of the present embodiment can effectively be improved, such as Fig. 5 A-5C and figure Shown in 6A-6C.In addition, at this first lenticule module L1, this second lenticule module L2 and The difference of the CRA in the 3rd lenticule module L3 is less than ± 0.5 degree, at this first lenticule module Distortion in L1, this second lenticule module L2 and the 3rd lenticule module L3 is less than ± 0.5%.Remove Outside this, the effective focal length of this first battery of lens (the i.e. first lens and the second lens) is f1, and this is second years old The effective focal length of battery of lens (the i.e. the 3rd lens and the 4th lens) is f2, and such lenticule module is also full Be enough to lower condition :-0.2 < f1/f2 < 0.5.

One the 3rd embodiment of this lens arra 10 is provided in lower section.In the third embodiment, total optical path It is 2.27 and image space F/# is 3.2.3rd embodiment of this lens arra 10 according to the present invention Following data is proposed.

Table 5-1

Table 5-2

Lenticule module	Surface	Radius of curvature (mm)
			First	S1	0.803569
Second	S1	0.802932
			3rd	S1	0.807299

The data of the asphericity coefficient on the surface of the 3rd embodiment of this lens arra 10 are the most following.Should Factor alpha Deng surface S4, S5 and S8₂-α₈Tabular in table 6-1, this first, this is the second, the 3rd micro- The factor alpha of this surface S1 of lens module L1-L3₂-α₈Tabular is in table 6-2.

Table 6-1

Table 6-2

The image optics simulation number of Fig. 7 A-7C and the 3rd embodiment that Fig. 8 A-8C is lens arra 10 According to schematic diagram.As shown in Figure 7 A-7C, multiple filed curvature schematic diagrams and distortion schematic diagram are respectively to should First lenticule module L1, this second lenticule module L2 and the 3rd lenticule module L3.Clearly For, Fig. 7 A shows when the wavelength of light is positioned at the light of 650nm, 610nm and 570nm by this When first lenticule module L1 receives, the filed curvature of this first lenticule module L1 and distortion.Figure It is second micro-by this that 7B shows that the wavelength when light is positioned at the light of 490nm, 530nm and 610nm When mirror module L2 receives, the filed curvature of this second lenticule module L2 and distortion.Fig. 7 C shows and works as The wavelength of light is positioned at the light of 410nm, 450nm and 490nm by the 3rd lenticule module L3 During reception, the filed curvature of the 3rd lenticule module L3 and distortion.In addition, such as Fig. 8 A-8C Shown in, the lateral light of multiple images fan figure respectively to should the first lenticule module L1, this is second micro- Mirror module L2 and the 3rd lenticule module L3.According to above-mentioned 3rd embodiment, this of the present embodiment is saturating The axial aberration of lens array 10 can effectively be improved, as shown in Fig. 7 A-7C and Fig. 8 A-8C.Except this Outside, at this first lenticule module L1, this second lenticule module L2 and the 3rd lenticule module The difference of the CRA in L3 is less than ± 0.5 degree, at this first lenticule module L1, this second lenticule Distortion in module L2 and the 3rd lenticule module L3 is less than ± 0.5%.In addition, this is first saturating The effective focal length of mirror group (the i.e. first lens and the second lens) is f1, and (the i.e. the 3rd is saturating for this second battery of lens Mirror and the 4th lens) effective focal length be f2, and such lenticule module also meets following condition: -0.2<f1/f2<0.5。

One the 4th embodiment of this lens arra 10 is provided in lower section.In the fourth embodiment, total optical path It is 2.19 and image space F/# is 3.2.4th embodiment of this lens arra 10 according to the present invention Following data is proposed.

Table 7-1

Table 7-2

Lenticule module	Surface	Radius of curvature (mm)
			First	S1	0.75365
Second	S1	0.757961
			3rd	S1	0.766094

The data of the asphericity coefficient on the surface of the 4th embodiment of this lens arra 10 are the most following.Should Factor alpha Deng surface S4, S5 and S8₂-α₈Tabular in table 8-1, this first, this is the second, the 3rd micro- The factor alpha of this surface S1 of lens module L1-L3₂-α₈Tabular is in table 8-2.

Table 8-1

Table 8-2

Fig. 9 A-9C and the image optics of the 4th embodiment that Figure 10 A-10C is lens arra 10 (imaging optical) analog data schematic diagram.As shown in Figure 9 A-9C, multiple filed curvature (field Curvature) schematic diagram and distortion schematic diagram respectively to should the first lenticule module L1, this is second micro- Mirror module L2 and the 3rd lenticule module L3.Particularly, Fig. 9 A shows the wavelength position when light When the light of 650nm, 610nm and 570nm is received by this first lenticule module L1, this is years old The filed curvature of one lenticule module L1 and distortion.Fig. 9 B show the wavelength when light be positioned at 490nm, When the light of 530nm and 610nm is received by this second lenticule module L2, this second micro lens mould The filed curvature of block L2 and distortion.Fig. 9 C show the wavelength when light be positioned at 410nm, 450nm and When the light of 490nm is received by the 3rd lenticule module L3, the picture of the 3rd lenticule module L3 Field bend and distortion.In addition, as shown in figures 10a-10c, the lateral light fan figure of multiple images (transverse ray fan plot) is respectively to should the first lenticule module L1, this second lenticule module L2 and the 3rd lenticule module L3.According to above-mentioned 4th embodiment, this lens arra of the present embodiment The axial aberration of 10 can effectively be improved, as shown in Fig. 9 A-9C and Figure 10 A-10C.In addition, In this first lenticule module L1, this second lenticule module L2 and the 3rd lenticule module L3 The difference of CRA less than ± 0.5 degree, at this first lenticule module L1, this second lenticule module Distortion in L2 and the 3rd lenticule module L3 is less than ± 0.5%.In addition, this first battery of lens The effective focal length of (the i.e. first lens and the second lens) is f1, this second battery of lens (the i.e. the 3rd lens and 4th lens) effective focal length be f2, and such lenticule module also meets following condition: -0.2<f1/f2<0.5。

Although the system of the present invention and method have been specified in above embodiment, but apprehensible be this Invention is not limited in this.On the contrary, the present invention will contain various amendment and similar setting is (right Skilled worker in this area is obvious).Therefore the category of appended claims should meet broadest Explain to comprise this type of amendment and similar setting.

Claims (14)

1. a lens arra, including:

Multiple lenticule modules, each of which lenticule module includes:

First battery of lens；And

Second battery of lens；

Wherein this first battery of lens and this second battery of lens sequentially set along an optical axis from an object side Putting to an image side, an effective focal length (effective focal length, EFL) of this first battery of lens is F1, the EFL of this second battery of lens are f2, and the plurality of lenticule module meets following condition: -0.2 < f1/f2 < 0.5, and this first battery of lens includes the first lens and the second lens, along this optical axis from this Object side is sequentially arranged to this image side, and this first lens face is one first aspheric to the surface of this object side Face, and this second lens face is one second aspheric surface to the surface of this image side,

The plurality of lenticule module at least includes one first lenticule module and one second lenticule module, should This first aspheric radius of curvature of first lenticule module is different from being somebody's turn to do of this second lenticule module First aspheric radius of curvature, this first lenticule module has the one of a first wave length in order to transmit One light a to CIS, this first lenticule module has should the first light one first burnt Away from, and this second lenticule module is in order to transmit one second light with a second wave length to this image sense Survey device, this second lenticule module have to should one second focal length of the second light, wherein this first wave Long this second wave length that is different from, and this first focal length is equal to this second focal length.

2. lens arra as claimed in claim 1, wherein this first battery of lens also includes the first flat board glass Glass, is arranged between these first lens and this second lens, the refractive index of this first plate glass between 1.5-1.6, the Abbe number (Abbe number) of this first plate glass is between 45-65.

3. lens arra as claimed in claim 1, wherein this second battery of lens includes the 3rd lens and the Four lens, are sequentially arranged to this image side along this optical axis from this first battery of lens, in the face of this object side The surface of the 3rd lens is one the 3rd aspheric surface, and the surface of the 4th lens in the face of this image side It it is one the 4th aspheric surface.

4. lens arra as claimed in claim 3, wherein this second battery of lens also includes the second flat board glass Glass, is arranged between the 3rd lens and the 4th lens, the refractive index of this second plate glass between 1.5-1.6, the Abbe number (Abbe number) of this second plate glass is between 45-65.

5. lens arra as claimed in claim 2, wherein this first battery of lens also includes aperture diaphragm, It is optionally provided in a plane of this first plate glass.

6. lens arra as claimed in claim 1, wherein this first battery of lens has positive flexion rate.

7. a lens arra, including:

First and second lenticule module, this first and this second lenticule module include that there is the first aspheric First battery of lens in face；

Wherein to be different from this second micro-for this first aspheric radius of curvature of this first lenticule module This first aspheric radius of curvature of mirror module, this first lenticule module has first wave in order to transmit The first long light is to CIS, and this first battery of lens of this first lenticule module has should First focal length of the first light, and this second lenticule module has the second of second wave length in order to transmit Light is to this CIS, and this first battery of lens of this second lenticule module has should the second light Second focal length of line, wherein this first wave length is different from this two wavelength, and this first focal length equal to this Two focal lengths.

8. lens arra as claimed in claim 7, wherein this first lenticule module also includes that second is saturating Mirror group, is arranged between this first battery of lens of this first lenticule module and an image side, and this is first micro- The EFL of this first battery of lens of lens module is f1, this second battery of lens of this first lenticule module EFL be f2, this first lenticule module meets following condition :-0.2 < f1/f2 < 0.5.

9. a lens arra, including:

First, second and third lenticule module, this first, this second and the 3rd lenticule module all Including:

First battery of lens, there is the first aspheric surface；And

Second battery of lens；

Wherein, this first battery of lens and this second battery of lens along an optical axis from an object side sequentially arrange to One image side, this first, this second and the 3rd this first aspheric radius of curvature of lenticule module Difference, and this first, this second and the 3rd lenticule module meet-0.2 < EFL/ of this first battery of lens The EFL < 0.5 of this second battery of lens, this first lenticule module has the first of first wave length in order to transmit Light is to CIS, and this second lenticule module is in order to transmit second light with second wave length extremely This CIS, and the 3rd lenticule module is in order to transmit the 3rd light with the 3rd wavelength to being somebody's turn to do CIS, wherein this first, this second and the 3rd wavelength the most different.

10. lens arra as claimed in claim 9, wherein this first lenticule module has should the First focal length of one light, this second lenticule module have to should the second light the second focal length, should 3rd lenticule module have to should the 3rd focal length of the 3rd light, wherein this first focal length, this second Focal length, the 3rd focal length are equal to each other.

11. lens arras as claimed in claim 9, wherein these first lens of this first lenticule module Group have to should one first focal length of the first light, this second lenticule module this first battery of lens tool Have the second focal length of the second light, this first battery of lens of the 3rd lenticule module having correspondence 3rd focal length of the 3rd light, wherein this first, this second and the 3rd focal length be equal to each other.

12. lens arras as claimed in claim 9, wherein this first wave length is between 570nm 650 Nm, this second wave length is between 490nm 570nm, and the 3rd wavelength is between 410nm 490nm.

13. lens arras as claimed in claim 9, this battery of lens of each of which also includes:

First plate glass, is arranged between this first aspheric surface and this image side；And

Aperture diaphragm, selectivity is arranged between this first aspheric surface and this first plate glass or should Between first plate glass and this image side.

14. lens arras as claimed in claim 9, wherein this first battery of lens has positive flexion rate.