CN105487201A - Ultrathin lens - Google Patents

Abstract

The invention discloses an ultrathin lens. The ultrathin lens successively comprises from an object side to an image side: a first lens with positive focal power; a second lens with negative focal power, wherein the object-side face of the second lens at an adaxial position is a concave surface, the second lens is provided with at least one inflexion point, and the image-side face of the second lens is a concave surface; a third lens with focal power; a fourth lens with focal power; a fifth lens with positive focal power, wherein the image-side face of the fifth lens at an adaxial position is a convex surface; and a sixth lens with negative focal power, wherein the object-side face and the image-side face of the sixth lens are both aspheric surfaces. The ultrathin lens satisfies the following conditions: TTL/ImgH is smaller than and equal to 1.4;|(R10-R11)/(R10+R11)| is smaller than and equal to 0.4; TTL is an axial distance from the object-side face of the first lens to an imaging face of the first lens, and ImgH is half of the length of a diagonal line of an effective pixel area on the imaging face; and R10 is a radius of curvature of the image-side face of the fifth lens, and R11 is a radius of curvature of the object-side face of the sixth lens. The ultrathin lens can effectively reduce the volume of a lens, realizes an ultrathin design, at the same time, enlarges the field angle, effectively corrects system errors, prevents total reflection and improves the imaging quality of the lens.

Description

Ultra-thin camera lens

Technical field

The present invention relates to a kind of camera technique field, particularly relate to a kind of ultra-thin camera lens.

Background technology

In recent years, along with progressing greatly of manufacture of semiconductor technology, the Pixel Dimensions of photo-sensitive cell constantly reduces, and accordingly, makes to be mounted in the also field development such as toward miniaturization, high pixel and Large visual angle angle gradually of pick-up lens on the electronic product such as mobile phone or digital camera.

General pick-up lens, in order to meet high pixel and Large visual angle angle, needs to adopt bigbore configuration, causes Lens can be long, therefore will be difficult to the requirement accomplishing the high pixel sensitive chip of coupling one.Meanwhile, in order to promote field angle further, often cause distortion increase and chief ray shooting angle excessive, make camera lens resolving power inadequate.

Summary of the invention

The embodiment of the present invention is intended at least to solve one of technical matters existed in prior art.For this reason, the embodiment of the present invention needs to provide a kind of ultra-thin camera lens.

A kind of ultra-thin camera lens, is comprised to image side successively by thing side:

There are the first lens of positive light coke;

Have the second lens of negative power, the thing side of these the second lens is concave surface at paraxial place and has at least one point of inflexion, and the face, image side of these the second lens is concave surface;

There are the 3rd lens of focal power;

There are the 4th lens of focal power;

Have the 5th lens of positive light coke, the face, image side of the 5th lens is convex surface at paraxial place;

Have the 6th lens of negative power, thing side and the face, image side of the 6th lens are aspheric surface;

This ultra-thin camera lens meets following relational expression: TTL/ImgH≤1.4; | (R10-R11)/(R10+R11) |≤0.4;

Wherein, TTL be the thing side of these the first lens to distance on the axle of imaging surface, ImgH is the half of the diagonal line length of effective pixel area on this imaging surface; R10 is the radius-of-curvature in the 5th face, lens image side, and R11 is the radius-of-curvature of the 6th lens thing side.

Meet the ultra-thin camera lens of above-mentioned configuration, can effectively reduce camera lens volume, realize ultra-thin, be conducive to expanding field angle, effective update the system aberration simultaneously, avoid total reflection, improve lens imaging quality.

In one embodiment, this ultra-thin camera lens meets following relational expression: | f1/f3|≤0.2;

Wherein, f1 is the effective focal length of these the first lens, and f3 is the effective focal length of the 3rd lens.

In one embodiment, this ultra-thin camera lens meets following relational expression: 0.3<T45/CT5≤0.6;

Wherein, T45 is spacing on the axle between the 4th lens and the 5th lens, and CT5 is the center thickness of the 5th lens.

In one embodiment, this ultra-thin camera lens meets following relational expression: 0.6<CT3/CT4<1.5;

Wherein, CT3 is the center thickness of the 3rd lens, and CT4 is the center thickness of the 4th lens.

In one embodiment, this ultra-thin camera lens meets following relational expression :-1.5<f5/f6<0;

Wherein, f5 is the effective focal length of the 5th lens, and f6 is the effective focal length of the 6th lens.

In one embodiment, this ultra-thin camera lens meets following relational expression :-2.0<R11/R12<0;

Wherein, R11 is the radius-of-curvature of the thing side of the 6th lens, and R12 is the radius-of-curvature in the face, image side of the 6th lens.

In one embodiment, this ultra-thin camera lens meets following relational expression: | (R5-R6)/(R5+R6) |≤3.0;

Wherein, R5 is the radius-of-curvature of the thing side of the 3rd lens, and R6 is the radius-of-curvature in the face, image side of the 3rd lens.

In one embodiment, this ultra-thin camera lens meets following relational expression: 0.8< (CT3+CT4)/(T34+T45) <1.5;

Wherein, CT3 is the center thickness of the 3rd lens, and CT4 is the center thickness of the 4th lens, and T34 is spacing on the axle between the 3rd lens and the 4th lens, and T45 is spacing on the axle between the 4th lens and the 5th lens.

In one embodiment, this ultra-thin camera lens meets following relational expression: 0.75<ImgH/f<1.0;

Wherein, f is the effective focal length of this ultra-thin camera lens.

The additional aspect of the embodiment of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by the practice of the embodiment of the present invention.

Accompanying drawing explanation

Above-mentioned and/or the additional aspect of the embodiment of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:

Fig. 1 is the structural representation of the ultra-thin camera lens of embodiment 1;

Fig. 2 be the ultra-thin camera lens of embodiment 1 axle on chromaticity difference diagram (mm); Fig. 3 is the astigmatism figure (mm) of the ultra-thin camera lens of embodiment 1; Fig. 4 is the distortion figure (%) of the ultra-thin camera lens of embodiment 1; Fig. 5 is the ratio chromatism, figure (um) of the ultra-thin camera lens of embodiment 1;

Fig. 6 is the structural representation of the ultra-thin camera lens of embodiment 2;

Fig. 7 be the ultra-thin camera lens of embodiment 2 axle on chromaticity difference diagram (mm); Fig. 8 is the astigmatism figure (mm) of the ultra-thin camera lens of embodiment 2; Fig. 9 is the distortion figure (%) of the ultra-thin camera lens of embodiment 2; Figure 10 is the ratio chromatism, figure (um) of the ultra-thin camera lens of embodiment 2;

Figure 11 is the structural representation of the ultra-thin camera lens of embodiment 3;

Figure 12 be the ultra-thin camera lens of embodiment 3 axle on chromaticity difference diagram (mm); Figure 13 is the astigmatism figure (mm) of the ultra-thin camera lens of embodiment 3; Figure 14 is the distortion figure (%) of the ultra-thin camera lens of embodiment 3; Figure 15 is the ratio chromatism, figure (um) of the ultra-thin camera lens of embodiment 3;

Figure 16 is the structural representation of the ultra-thin camera lens of embodiment 4;

Figure 17 be the ultra-thin camera lens of embodiment 4 axle on chromaticity difference diagram (mm); Figure 18 is the astigmatism figure (mm) of the ultra-thin camera lens of embodiment 4; Figure 19 is the distortion figure (%) of the ultra-thin camera lens of embodiment 4; Figure 20 is the ratio chromatism, figure (um) of the ultra-thin camera lens of embodiment 4;

Figure 21 is the structural representation of the ultra-thin camera lens of embodiment 5;

Figure 22 be the ultra-thin camera lens of embodiment 5 axle on chromaticity difference diagram (mm); Figure 23 is the astigmatism figure (mm) of the ultra-thin camera lens of embodiment 5; Figure 24 is the distortion figure (%) of the ultra-thin camera lens of embodiment 5; Figure 25 is the ratio chromatism, figure (um) of the ultra-thin camera lens of embodiment 5;

Figure 26 is the structural representation of the ultra-thin camera lens of embodiment 6;

Figure 27 be the ultra-thin camera lens of embodiment 6 axle on chromaticity difference diagram (mm); Figure 28 is the astigmatism figure (mm) of the ultra-thin camera lens of embodiment 6; Figure 29 is the distortion figure (%) of the ultra-thin camera lens of embodiment 6; Figure 30 is the ratio chromatism, figure (um) of the ultra-thin camera lens of embodiment 6.

Embodiment

Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.

In describing the invention, it is to be appreciated that term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more described features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.

In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrically connected or can intercom mutually; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.

Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or reference letter, this repetition is to simplify and clearly object, itself does not indicate discussed various embodiment and/or relation between setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the application of other techniques and/or the use of other materials.

Refer to Fig. 1, the ultra-thin camera lens of one of present pre-ferred embodiments, is comprised to image side successively by thing side:

There is the first lens E1 of positive light coke;

Have the second lens E2 of negative power, the thing side S3 of these second lens E2 is concave surface at paraxial place and has at least one point of inflexion, and face, the image side S4 of the second lens E2 is concave surface;

There is the 3rd lens E3 of focal power;

There is the 4th lens E4 of focal power;

Have the 5th lens E5 of positive light coke, face, the image side S10 of the 5th lens E5 is convex surface at paraxial place;

Have the 6th lens E6 of negative power, thing side S11 and face, the image side S12 of the 6th lens E6 are aspheric surface;

This ultra-thin camera lens meets following relational expression: TTL/ImgH≤1.4; | (R10-R11)/(R10+R11) |≤0.4;

Wherein, TTL be the thing side S1 to imaging surface S15 of these first lens E1 axle on distance, ImgH is the half of the diagonal line length of effective pixel area on this imaging surface S15; R10 is the radius-of-curvature of the 5th lens E5 image side face S10, and R11 is the radius-of-curvature of the 6th lens E6 thing side S11.

Meet the ultra-thin camera lens of above-mentioned configuration, can effectively reduce camera lens volume, realize ultra-thin, be conducive to expanding field angle, effective update the system aberration simultaneously, avoid total reflection, improve lens imaging quality.

Preferably, this ultra-thin camera lens meets following relational expression: | f1/f3|≤0.2;

Wherein, f1 is the effective focal length of the first lens E1, and f3 is the effective focal length of the 3rd lens E3.

The ultra-thin camera lens meeting above-mentioned configuration is conducive to the focal power of reasonable distribution system, effective update the system aberration.

Preferably, this ultra-thin camera lens meets following relational expression: 0.3<T45/CT5≤0.6;

Wherein, T45 is spacing on the axle between the 4th lens E4 and the 5th lens E5, and CT5 is the center thickness of the 5th lens E5.

The ultra-thin camera lens meeting above-mentioned configuration is conducive to configuring the distance between lens and size, makes the further miniaturization of ultra-thin camera lens.

Preferably, this ultra-thin camera lens meets following relational expression: 0.6<CT3/CT4<1.5;

Wherein, CT3 is the center thickness of the 3rd lens E3, and CT4 is the center thickness of the 4th lens E4.

The ultra-thin camera lens meeting above-mentioned configuration is conducive to the center thickness of reasonable disposition the 3rd lens E3 and the 4th lens E4, is easy to lens assembling, reduces the susceptibility of camera lens.

Preferably, this ultra-thin camera lens meets following relational expression :-1.5<f5/f6<0;

Wherein, f5 is the effective focal length of the 5th lens E5, and f6 is the effective focal length of the 6th lens E6.

The ultra-thin camera lens meeting above-mentioned configuration is conducive to effectively revising aberration, particularly reduces the marginal aberration of system, realizes all having high imaging performance from center to edge.

Preferably, this ultra-thin camera lens meets following relational expression :-2.0<R11/R12<0;

Wherein, R11 is the radius-of-curvature of the thing side S11 of the 6th lens E6, and R12 is the radius-of-curvature of face, the image side S12 of the 6th lens E6.

The ultra-thin camera lens meeting above-mentioned configuration is conducive to adjusting the incident angle that each visual field is incident in photo-sensitive cell, effectively avoids total reflection.

Preferably, this ultra-thin camera lens meets following relational expression: | (R5-R6)/(R5+R6) |≤3.0;

Wherein, R5 is the radius-of-curvature of the thing side S5 of the 3rd lens E3, and R6 is the radius-of-curvature of face, the image side S6 of the 3rd lens E3.

The ultra-thin camera lens meeting above-mentioned configuration can make lens thickness relatively well-balanced, makes center more even to edge entirety picture element.

Preferably, this ultra-thin camera lens meets following relational expression: 0.8< (CT3+CT4)/(T34+T45) <1.5;

Wherein, CT3 is the center thickness of the 3rd lens E3, and CT4 is the center thickness of the 4th lens E4, and T34 is spacing on the axle between the 3rd lens E3 and the 4th lens E4, and T45 is spacing on the axle between the 4th lens E4 and the 5th lens E5.

The ultra-thin camera lens meeting above-mentioned configuration is conducive to configuring the distance between lens and size, makes the further miniaturization of ultra-thin camera lens.

Preferably, this ultra-thin camera lens meets following relational expression: 0.75<ImgH/f<1.0;

Wherein, ImgH is the half of effective pixel area diagonal line length on this imaging surface S15, and f is the effective focal length of ultra-thin camera lens.

The ultra-thin camera lens meeting above-mentioned configuration is conducive to the field angle improving camera lens, ensures camera lens miniaturization while meeting Large visual angle angle.

During imaging, light images in imaging surface S15 through after six-element lens after having the optical filter E7 of thing side surface S13 and surface, image side S14.

In certain embodiments, the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5 and the 6th lens E6 are non-spherical lens.

Aspheric shape is determined by following formula:

$x=\frac{{\mathrm{ch}}^2}{1+\sqrt{1-(k+1)c^2{h}^2}}+{\mathrm{\&Sigma;Aih}}^i$

Wherein, h is that in aspheric surface, arbitrary point is to the height of optical axis, and c is vertex curvature, and k is conic constants, and Ai is the correction factor on aspheric surface i-th-th rank.

Embodiment 1:

Incorporated by reference to Fig. 1 ~ Fig. 5, in embodiment 1, ultra-thin camera lens meets the condition of table 1, table 2 and table 3 below:

Table 1

Face number	Surface type	Radius-of-curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.3632	--	--
						S1	Aspheric surface	1.4324	0.6470	1.544/56.11	-0.8215
S2	Aspheric surface	16.5161	0.0674	--	-94.9265
						S3	Aspheric surface	-11.3318	0.2200	1.640/23.53	50.0000
S4	Aspheric surface	4.7836	0.2448	--	6.9457
						S5	Aspheric surface	4.7021	0.2559	1.640/23.53	-83.1600
S6	Aspheric surface	5.5888	0.3435	--	-3.6327
						S7	Aspheric surface	61.0946	0.2641	1.535/55.79	-14.5412
S8	Aspheric surface	4.8501	0.2399	--	-24.9075
						S9	Aspheric surface	5.6905	0.6141	1.535/55.79	-98.1110
S10	Aspheric surface	-1.6011	0.4833	--	-4.0686
						S11	Aspheric surface	-1.2247	0.3003	1.535/55.79	-4.1206
S12	Aspheric surface	31.5032	0.2246	--	-24.8874
						S13	Sphere	Infinite	0.2100	1.517/64.17	--
S14	Sphere	Infinite	0.5168	--	--
						S15	Sphere	Infinite	--	--	--

Table 2

Table 3

f1(mm)	2.83	f(mm)	4.10
				f2(mm)	-5.19	Fno	2.02
f3(mm)	41.31	TTL(mm)	4.63
				f4(mm)	-9.83	HFOV(deg)	41.2
f5(mm)	2.40
				f6(mm)	-2.19

Embodiment 2:

Incorporated by reference to Fig. 6 ~ Figure 10, in example 2, ultra-thin camera lens meets the condition of table 4, table 5 and table 6 below:

Table 4

Face number	Surface type	Radius-of-curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.3626	--	--
						S1	Aspheric surface	1.4221	0.6459	1.544/56.11	-0.7536
S2	Aspheric surface	25.0255	0.0528	--	-94.9265
						S3	Aspheric surface	-237.0428	0.2200	1.651/21.52	50.0000
S4	Aspheric surface	3.4193	0.3576	--	3.8353
						S5	Aspheric surface	9.7764	0.2200	1.651/21.52	-78.2146
S6	Aspheric surface	8.2096	0.2124	--	-23.0001
						S7	Aspheric surface	8.3653	0.3001	1.544/56.11	-14.5412
S8	Aspheric surface	3.7814	0.2615	--	-24.4511
						S9	Aspheric surface	18.2983	0.6394	1.544/56.11	-99.0000
S10	Aspheric surface	-1.2113	0.3971	--	-4.1763
						S11	Aspheric surface	-1.7957	0.2800	1.535/55.79	-10.1370
S12	Aspheric surface	2.7010	0.2666	--	-24.6304
						S13	Sphere	Infinite	0.2100	1.517/64.17	--
S14	Sphere	Infinite	0.5670	--	--
						S15	Sphere	Infinite	--	--	--

Table 5

Table 6

f1(mm)	2.74	f(mm)	4.02
				f2(mm)	-5.13	Fno	2.02
f3(mm)	-82.64	TTL(mm)	4.63
				f4(mm)	-12.94	HFOV(deg)	40.3
f5(mm)	2.11
				f6(mm)	-1.97

Embodiment 3:

Incorporated by reference to Figure 11 ~ Figure 15, in embodiment 3, ultra-thin camera lens meets the condition of table 7, table 8 and table 9 below:

Table 7

Face number	Surface type	Radius-of-curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.3616	--	--
						S1	Aspheric surface	1.4328	0.6455	1.544/56.11	-0.8378
S2	Aspheric surface	15.4507	0.0690	--	-94.9265
						S3	Aspheric surface	-10.8650	0.2200	1.640/23.53	50.0000
S4	Aspheric surface	5.1356	0.2550	--	6.9456
						S5	Aspheric surface	4.2266	0.2813	1.535/55.79	-83.1597
S6	Aspheric surface	5.6511	0.3350	--	-1.5079
						S7	Aspheric surface	-12.3138	0.2638	1.640/23.53	-14.5412
S8	Aspheric surface	17.0240	0.2839	--	-24.9075
						S9	Aspheric surface	4.7363	0.6297	1.535/55.79	-99.0000
S10	Aspheric surface	-1.6562	0.3960	--	-5.4824
						S11	Aspheric surface	-1.1348	0.3000	1.535/55.79	-3.9242
S12	Aspheric surface	27.2754	0.2249	--	-24.8874
						S13	Sphere	Infinite	0.2100	1.517/64.17	--
S14	Sphere	Infinite	0.5172	--	--
						S15	Sphere	Infinite	--	--	--

Table 8

Table 9

f1(mm)	2.85	f(mm)	4.10
				f2(mm)	-5.38	Fno	2.02
f3(mm)	29.22	TTL(mm)	4.63
				f4(mm)	-11.05	HFOV(deg)	41.2
f5(mm)	2.37
				f6(mm)	-2.02

Embodiment 4:

Incorporated by reference to Figure 16 ~ Figure 20, in example 4, ultra-thin camera lens meets the condition of table 10, table 11 and table 12 below:

Table 10

Face number	Surface type	Radius-of-curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.3132	--	--
						S1	Aspheric surface	1.3725	0.5973	1.544/56.11	-0.4504
S2	Aspheric surface	-308.7273	0.0301	--	-99.0000
						S3	Aspheric surface	-88.3462	0.2300	1.640/23.53	-99.0000
S4	Aspheric surface	3.0642	0.3100	--	8.9544
						S5	Aspheric surface	33.1608	0.3070	1.544/56.11	-99.0000
S6	Aspheric surface	-134.7810	0.1498	--	50.0000
						S7	Aspheric surface	-15.4789	0.2606	1.640/23.53	-99.0000
S8	Aspheric surface	-250.0000	0.3314	--	-99.0000
						S9	Aspheric surface	254.7153	0.5829	1.544/56.11	50.0000
S10	Aspheric surface	-1.3281	0.3126	--	-7.0472
						S11	Aspheric surface	-1.9770	0.3577	1.535/55.79	-2.6957
S12	Aspheric surface	2.0238	0.4317	--	-21.2576
						S13	Sphere	Infinite	0.2100	1.517/64.17	--
S14	Sphere	Infinite	0.3698	--	--
						S15	Sphere	Infinite	--	--	--

Table 11

Face number

A4

A6

A8

A10

A12

A14

A16

S1

1.7228E-02

8.7346E-02

-4.0210E-01

1.1952E+00

-2.0270E+00

1.8083E+00

-6.8459E-01

S2

-1.3217E-01

4.5041E-01

-1.6238E-01

-2.2312E+00

5.8188E+00

-6.1773E+00

2.4032E+00

S3

-1.3967E-01

6.1325E-01

-4.3456E-01

-2.1124E+00

6.5329E+00

-7.3795E+00

3.0068E+00

S4

-6.0562E-02

3.3159E-01

-7.7305E-01

1.4629E+00

-1.9001E+00

1.9430E+00

-9.2470E-01

S5

-1.1892E-01

5.1002E-02

-6.1284E-01

2.3304E+00

-4.8767E+00

5.3543E+00

-2.1711E+00

S6

-1.5140E-01

2.6537E-01

-9.1987E-01

2.1036E+00

-2.9467E+00

2.2252E+00

-6.4566E-01

S7

-2.7192E-01

4.2195E-01

-8.3458E-01

1.6784E+00

-2.0547E+00

1.2901E+00

-3.2782E-01

S8

-2.4557E-01

2.4498E-01

-3.4488E-01

5.1674E-01

-4.0232E-01

1.4894E-01

-2.1620E-02

S9

-3.7367E-02

-4.6020E-02

-4.2238E-03

9.4998E-03

4.1349E-03

-2.7723E-03

3.4275E-04

S10

-7.2234E-02

1.1398E-01

-1.2660E-01

7.7321E-02

-2.4747E-02

3.8976E-03

-2.3618E-04

S11

-8.8731E-02

4.7297E-02

-4.1467E-03

-1.7380E-03

4.8460E-04

-4.6585E-05

1.5876E-06

S12

-1.0048E-01

5.7184E-02

-2.4656E-02

6.7899E-03

-1.1595E-03

1.1002E-04

-4.3406E-06

Table 12

f1(mm)	2.50	f(mm)	3.97
				f2(mm)	-4.59	Fno	2.20
f3(mm)	48.78	TTL(mm)	4.48
				f4(mm)	-25.61	HFOV(deg)	40.5
f5(mm)	2.42
				f6(mm)	-1.81

Embodiment 5:

Incorporated by reference to Figure 21 ~ Figure 25, in embodiment 5, ultra-thin camera lens meets the condition of table 13, table 14 and table 15 below:

Table 13

Table 14

Face number

A4

A6

A8

A10

A12

A14

A16

S1

1.7090E-02

8.7744E-02

-4.0189E-01

1.1957E+00

-2.0250E+00

1.8083E+00

-6.8459E-01

S2

-1.2825E-01

4.5056E-01

-1.6400E-01

-2.2337E+00

5.8188E+00

-6.1773E+00

2.4032E+00

S3

-1.3650E-01

6.1228E-01

-4.3864E-01

-2.1181E+00

6.5329E+00

-7.3795E+00

3.0068E+00

S4

-5.8179E-02

3.3004E-01

-7.7447E-01

1.4571E+00

-1.9001E+00

1.9430E+00

-9.2470E-01

S5

-1.1780E-01

4.8403E-02

-6.1243E-01

2.3381E+00

-4.8767E+00

5.3543E+00

-2.1711E+00

S6

-1.5432E-01

2.6755E-01

-9.1723E-01

2.1041E+00

-2.9469E+00

2.2252E+00

-6.4566E-01

S7

-2.7079E-01

4.2401E-01

-8.3367E-01

1.6789E+00

-2.0549E+00

1.2901E+00

-3.2782E-01

S8

-2.4407E-01

2.4508E-01

-3.4464E-01

5.1688E-01

-4.0228E-01

1.4891E-01

-2.1656E-02

S9

-3.7451E-02

-4.5936E-02

-4.2248E-03

9.5177E-03

4.1337E-03

-2.7678E-03

3.4126E-04

S10

-7.0821E-02

1.1376E-01

-1.2669E-01

7.7306E-02

-2.4743E-02

3.8993E-03

-2.3600E-04

S11

-8.8600E-02

4.7315E-02

-4.1470E-03

-1.7379E-03

4.8462E-04

-4.6580E-05

1.5853E-06

S12

-1.0073E-01

5.7208E-02

-2.4645E-02

6.7906E-03

-1.1594E-03

1.1001E-04

-4.3433E-06

Table 15

f1(mm)	2.51	f(mm)	3.97
				f2(mm)	-4.65	Fno	2.20
f3(mm)	54.62	TTL(mm)	4.49
				f4(mm)	-24.26	HFOV(deg)	40.5
f5(mm)	2.44
				f6(mm)	-1.83

Embodiment 6:

Incorporated by reference to Figure 26 ~ Figure 30, in embodiment 6, ultra-thin camera lens meets the condition of table 16, table 17 and table 18 below:

Table 16

Table 17

Face number

A4

A6

A8

A10

A12

A14

A16

S1

3.3561E-02

2.1838E-02

-4.9583E-02

1.1093E-01

-1.6043E-01

1.1429E-01

-4.6138E-02

S2

-9.4495E-02

2.4412E-01

-2.8017E-01

-9.7366E-02

5.2138E-01

-4.7026E-01

1.3711E-01

S3

-8.4276E-02

4.3882E-01

-6.3742E-01

3.3964E-01

3.4389E-01

-4.8520E-01

1.7393E-01

S4

-2.5536E-02

3.3036E-01

-5.4962E-01

3.9778E-01

6.8704E-01

-1.4458E+00

9.3730E-01

S5

-2.2193E-01

3.6419E-01

-1.1198E+00

1.8024E+00

-1.8636E+00

1.0382E+00

-1.3145E-01

S6

-3.6914E-01

8.6820E-01

-2.1644E+00

3.5504E+00

-3.7898E+00

2.3784E+00

-6.2458E-01

S7

-4.8809E-01

6.8037E-01

-7.2921E-01

4.3963E-01

-4.1158E-02

-6.6723E-02

1.9177E-02

S8

-3.5146E-01

3.2029E-01

-2.7274E-01

1.5563E-01

-3.1125E-02

-4.3953E-03

1.6160E-03

S9

-9.5764E-02

-7.7336E-02

1.3730E-01

-1.2815E-01

6.8404E-02

-1.7573E-02

1.6904E-03

S10

-5.7952E-02

-1.1011E-02

4.3076E-02

-1.6340E-02

1.2521E-03

3.1351E-04

-4.4933E-05

S11

-1.4571E-01

1.0350E-01

-3.4791E-02

7.2019E-03

-9.3849E-04

7.0849E-05

-2.3511E-06

S12

-8.4706E-02

4.6028E-02

-1.9741E-02

5.5104E-03

-9.5189E-04

9.0318E-05

-3.5049E-06

Table 18

f1(mm)	2.72	f(mm)	4.02
				f2(mm)	-5.08	Fno	2.00
f3(mm)	-23.77	TTL(mm)	4.53
				f4(mm)	311.6	HFOV(deg)	40.5
f5(mm)	2.38
				f6(mm)	-1.99

In embodiment 1 ~ 6, each conditional meets the condition of form below:

Conditional	Embodiment 1	Embodiment 2	Embodiment 3	Embodiment 4	Embodiment 5	Embodiment 6
							TTL/ImgH	1.269	1.327	1.269	1.304	1.305	1.298
|(R10-R11)/(R10+R11)|	0.133	0.194	0.187	0.196	0.194	0.094
							|f1/f3|	0.069	0.033	0.097	0.051	0.046	0.114
T45/CT5	0.391	0.409	0.451	0.568	0.573	0.550
							CT3/CT4	0.969	0.733	1.066	1.178	1.188	0.726
f5/f6	-1.096	-1.071	-1.171	-1.341	-1.330	-1.195
							R11/R12	-0.039	-0.665	-0.042	-0.977	-0.968	-0.407
|(R5-R6)/(R5+R6)|	0.086	0.087	0.144	1.653	0.735	0.194
							(CT3+CT4)/(T34+T45)	0.891	1.098	0.881	1.180	1.216	1.075
ImgH/f	0.891	0.858	0.889	0.847	0.846	0.826

In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with described embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.

In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.

Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.

Claims (9)

1. a ultra-thin camera lens, is characterized in that, is comprised successively to image side by thing side:

There are the first lens of positive light coke;

Have the second lens of negative power, the thing side of these the second lens is concave surface at paraxial place and has at least one point of inflexion, and the face, image side of these the second lens is concave surface;

There are the 3rd lens of focal power;

There are the 4th lens of focal power;

Have the 5th lens of positive light coke, the face, image side of the 5th lens is convex surface at paraxial place;

Have the 6th lens of negative power, thing side and the face, image side of the 6th lens are aspheric surface;

This ultra-thin camera lens meets following relational expression: TTL/ImgH≤1.4; | (R10-R11)/(R10+R11) |≤0.4;

Wherein, TTL be the thing side of these the first lens to distance on the axle of imaging surface, ImgH is the half of the diagonal line length of effective pixel area on this imaging surface; R10 is the radius-of-curvature in the face, image side of the 5th lens, and R11 is the radius-of-curvature of the thing side of the 6th lens.

2. ultra-thin camera lens as claimed in claim 1, is characterized in that, this ultra-thin camera lens meets following relational expression:

|f1/f3|≦0.2；

Wherein, f1 is the effective focal length of these the first lens, and f3 is the effective focal length of the 3rd lens.

3. ultra-thin camera lens as claimed in claim 1, is characterized in that, this ultra-thin camera lens meets following relational expression:

0.3<T45/CT5≦0.6；

Wherein, T45 is spacing on the axle between the 4th lens and the 5th lens, and CT5 is the center thickness of the 5th lens.

4. ultra-thin camera lens as claimed in claim 1, is characterized in that, this ultra-thin camera lens meets following relational expression:

0.6<CT3/CT4<1.5；

Wherein, CT3 is the center thickness of the 3rd lens, and CT4 is the center thickness of the 4th lens.

5. ultra-thin camera lens as claimed in claim 1, is characterized in that, this ultra-thin camera lens meets following relational expression:

-1.5<f5/f6<0；

Wherein, f5 is the effective focal length of the 5th lens, and f6 is the effective focal length of the 6th lens.

6. ultra-thin camera lens as claimed in claim 1, is characterized in that, this ultra-thin camera lens meets following relational expression:

-2.0<R11/R12<0；

Wherein, R11 is the radius-of-curvature of the thing side of the 6th lens, and R12 is the radius-of-curvature in the face, image side of the 6th lens.

7. ultra-thin camera lens as claimed in claim 1, is characterized in that, this ultra-thin camera lens meets following relational expression:

|(R5-R6)/(R5+R6)|≦3.0；

Wherein, R5 is the radius-of-curvature of the thing side of the 3rd lens, and R6 is the radius-of-curvature in the face, image side of the 3rd lens.

8. ultra-thin camera lens as claimed in claim 1, is characterized in that, this ultra-thin camera lens meets following relational expression:

0.8<(CT3+CT4)/(T34+T45)<1.5；

Wherein, CT3 is the center thickness of the 3rd lens, and CT4 is the center thickness of the 4th lens, and T34 is spacing on the axle between the 3rd lens and the 4th lens, and T45 is spacing on the axle between the 4th lens and the 5th lens.

9. ultra-thin camera lens as claimed in claim 1, is characterized in that, this ultra-thin camera lens meets following relational expression:

0.75<ImgH/f<1.0

Wherein, f is the effective focal length of this ultra-thin camera lens.