# US 9,753,260 B2 · Optical image capturing system

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- Number: US 9,753,260 B2
- Document ID: US9753260B2
- Status: Granted
- Kind: B2
- Application number: 15/070,866
- Filed: 2016-03-15
- Published: 2016-12-08
- Granted: 2017-09-05
- Earliest claimed: 2015-06-05
- Assignees: Ability Opto-Electronics Technology Co., Ltd.
- Applicants: Ability Opto-Electronics Technology Co., Ltd.
- Inventors: Yao-Wei Liu; Nai-Yuan Tang; Yeong-Ming Chang
- Web page: https://patentgrep.com/patent/US9753260B2

## CPC

- G02B 13/0045: {having five or more lenses}
- G02B 9/60: having five components only
- G02B 27/646: {compensating for small deviations, e.g. due to vibration or shake (movement of one or more optical elements for control of motion blur in cameras, projectors or printers G03B2205/0007; image stabilisation in cameras peculiar to the presence or use of an electronic image sensor H04N23/68)}
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, wherein at least one lens among the first to the fifth lenses has positive refractive force, the fifth lens can have negative refractive force, wherein both surfaces thereof are aspheric, and at least one surface thereof has an inflection point, and wherein the lenses in the optical image capturing system which have refractive power include the first to the fifth lenses, whereby the optical image capturing system can increase aperture value and improve the imaging quality for use in compact cameras.

## Claims

### Claim 1

An optical image capturing system, in order along an optical axis from an object side to an image side, comprising:
a first lens having positive refractive power;
a second lens having positive refractive power;
a third lens having negative refractive power;
a fourth lens having positive refractive power;
a fifth lens having negative refractive power; and
an image plane;
wherein the optical image capturing system consists of the five lenses with refractive power; the fifth lens has an object-side surface, which faces the object side, and an image-side surface, which faces the image side, and both the object-side surface and the image-side surface of the fifth lens are aspheric surfaces;
wherein the optical image capturing system satisfies:
1.2≦f/HEP≦6.0;
0.5≦HOS/f≦3.0;
0<InTL/HOS<0.9; and
1≦2(ARE/HEP)≦1.5;
where f1, f2, f3, f4, and f5 are focal lengths of the first lens to the fifth lens, respectively; f is a focal length of the optical image capturing system; HEP is an entrance pupil diameter of the optical image capturing system; HOS is a distance in parallel with the optical axis from an object-side surface of the first lens to the image plane; InTL is a distance in parallel with the optical axis from the object-side surface of the first lens to the image-side surface of the fifth lens; for any surface of any lens, ARE is a profile curve length measured from a start point where the optical axis passes therethrough, along a surface profile thereof, and finally to a coordinate point of a perpendicular distance where is a half of the entrance pupil diameter away from the optical axis.

### Claim 2 (depends on 1)

The optical image capturing system of claim 1, wherein the optical image capturing system further satisfies:
PLTA≦50 μm;
PSTA≦50 μm;
NLTA≦50 μm;
NSTA≦50 μm;
SLTA≦50 μm;
SSTA≦50 μm; and
|TDT|<100%;
where TDT is a TV distortion; HOI is a height for image formation perpendicular to the optical axis on the image plane; PLTA is a transverse aberration at 0.7 HOI on the image plane in the positive direction of a tangential fan of the optical image capturing system after a longest operation wavelength passing through an edge of the aperture; PSTA is a transverse aberration at 0.7 HOI on the image plane in the positive direction of the tangential fan after a shortest operation wavelength passing through the edge of the aperture; NLTA is a transverse aberration at 0.7 HOI on the image plane in the negative direction of the tangential fan after the longest operation wavelength passing through the edge of the aperture; NSTA is a transverse aberration at 0.7 HOI on the image plane in the negative direction of the tangential fan after the shortest operation wavelength passing through the edge of the aperture; SLTA is a transverse aberration at 0.7 HOI on the image plane of a sagittal fan of the optical image capturing system after the longest operation wavelength passing through the edge of the aperture; SSTA is a transverse aberration at 0.7 HOI on the image plane of a sagittal fan after the shortest operation wavelength passing through the edge of the aperture.

### Claim 3 (depends on 1)

The optical image capturing system of claim 1, wherein the optical image capturing system further satisfies:
1≦ARS/EHD≦1.5;
where, for any surface of any lens, EHD is a maximum effective half diameter thereof, ARS is a profile curve length measured from a start point where the optical axis passes therethrough, along a surface profile thereof, and finally to an end point of the maximum effective half diameter thereof.

### Claim 4 (depends on 1)

The optical image capturing system of claim 1, wherein the optical image capturing system further satisfies:
0.5≦HOS/HOI≦2.5;
where HOI is a height for image formation perpendicular to the optical axis on the image plane.

### Claim 5 (depends on 1)

The optical image capturing system of claim 1, wherein the optical image capturing system further satisfies:
0 deg<HAF≦80 deg;
where HAF is a half of a view angle of the optical image capturing system.

### Claim 6 (depends on 1)

The optical image capturing system of claim 1, wherein the optical image capturing system further satisfies:
0.5≦ARE51/TP5≦15; and
0.5≦ARE52/TP5≦15;
where ARE51 is a profile curve length measured from a start point where the optical axis passes the object-side surface of the fifth lens, along a surface profile of the object-side surface of the fifth lens, and finally to a coordinate point of a perpendicular distance where is a half of the entrance pupil diameter away from the optical axis; ARE52 is a profile curve length measured from a start point where the optical axis passes the image-side surface of the fifth lens, along a surface profile of the image-side surface of the fifth lens, and finally to a coordinate point of a perpendicular distance where is a half of the entrance pupil diameter away from the optical axis; TP5 is a thickness of the fifth lens on the optical axis.

### Claim 7 (depends on 1)

The optical image capturing system of claim 1, wherein the optical image capturing system further satisfies:
0.5≦ARE41/TP4≦15; and
0.5≦ARE42/TP4≦15;
where ARE41 is a profile curve length measured from a start point where the optical axis passes the object-side surface of the fourth lens, along a surface profile of the object-side surface of the fourth lens, and finally to a coordinate point of a perpendicular distance where is a half of the entrance pupil diameter away from the optical axis; ARE42 is a profile curve length measured from a start point where the optical axis passes the image-side surface of the fourth lens, along a surface profile of the image-side surface of the fourth lens, and finally to a coordinate point of a perpendicular distance where is a half of the entrance pupil diameter away from the optical axis; TP4 is a thickness of the fourth lens on the optical axis.

### Claim 8 (depends on 1)

The optical image capturing system of claim 1, further comprising an aperture, wherein the optical image capturing system further satisfies:
0.2≦InS/HOS≦1.1;
where InS is a distance in parallel with the optical axis between the aperture and the image plane.

### Claim 9

An optical image capturing system, in order along an optical axis from an object side to an image side, comprising:
a first lens having positive refractive power;
a second lens having positive refractive power;
a third lens having negative refractive power;
a fourth lens having positive refractive power;
a fifth lens having negative refractive power; and
an image plane;
wherein the optical image capturing system consists of the five lenses with refractive power; at least a surface of each of at least two lenses among the first lens to the fifth lens has at least an inflection point; the fifth lens has an object-side surface, which faces the object side, and an image-side surface, which faces the image side, and both the object-side surface and the image-side surface of the fifth lens are aspheric surfaces;
wherein the optical image capturing system satisfies:
1.2≦f/HEP≦6.0;
0.5≦HOS/f≦3.0;
0<InTL/HOS<0.9; and
1≦2(ARE/HEP)≦1.5;
where f1, f2, f3, 14, and f5 are focal lengths of the first lens to the fifth lens, respectively; f is a focal length of the optical image capturing system; HEP is an entrance pupil diameter of the optical image capturing system; HOS is a distance in parallel with the optical axis between an object-side surface, which face the object side, of the first lens and the image plane; InTL is a distance in parallel with the optical axis from the object-side surface of the first lens to the image-side surface of the third lens; for any surface of any lens, ARE is a profile curve length measured from a start point where the optical axis passes therethrough, along a surface profile thereof, and finally to a coordinate point of a perpendicular distance where is a half of the entrance pupil diameter away from the optical axis.

### Claim 10 (depends on 9)

The optical image capturing system of claim 9, wherein the optical image capturing system further satisfies:
1≦ARS/EHD≦1.5;
where, for any surface of any lens, EHD is a maximum effective half diameter thereof, ARS is a profile curve length measured from a start point where the optical axis passes therethrough, along a surface profile thereof, and finally to an end point of the maximum effective half diameter thereof.

### Claim 11 (depends on 9)

The optical image capturing system of claim 9, wherein at least a surface among the object-side surface and the image-side surface thereof has at least an inflection point.

### Claim 12 (depends on 9)

The optical image capturing system of claim 9, wherein the optical image capturing system further satisfies:
PLTA≦50 μm;
PSTA≦50 μm;
NLTA≦50 μm;
NSTA≦50 μm;
SLTA≦50 μm; and
SSTA≦50 μm;
where HOI is a height for image formation perpendicular to the optical axis on the image plane; PLTA is a transverse aberration at 0.7 HOI on the image plane in the positive direction of a tangential fan of the optical image capturing system after a longest operation wavelength passing through an edge of the aperture; PSTA is a transverse aberration at 0.7 HOI on the image plane in the positive direction of the tangential fan after a shortest operation wavelength passing through the edge of the aperture; NLTA is a transverse aberration at 0.7 HOI on the image plane in the negative direction of the tangential fan after the longest operation wavelength passing through the edge of the aperture; NSTA is a transverse aberration at 0.7 HOI on the image plane in the negative direction of the tangential fan after the shortest operation wavelength passing through the edge of the aperture; SLTA is a transverse aberration at 0.7 HOI on the image plane of a sagittal fan of the optical image capturing system after the longest operation wavelength passing through the edge of the aperture; SSTA is a transverse aberration at 0.7 HOI on the image plane of a sagittal fan after the shortest operation wavelength passing through the edge of the aperture.

### Claim 13 (depends on 9)

The optical image capturing system of claim 9, wherein the optical image capturing system further satisfies:
0<IN12/f≦0.8;
where IN12 is a distance on the optical axis between the first lens and the second lens.

### Claim 14 (depends on 9)

The optical image capturing system of claim 9, wherein the optical image capturing system further satisfies:
0<IN45/f≦0.8;
where IN45 is a distance on the optical axis between the fourth lens and the fifth lens.

### Claim 15 (depends on 9)

The optical image capturing system of claim 9, wherein the optical image capturing system further satisfies:
0.1≦(TP5+IN45)/TP4≦10;
where IN45 is a distance on the optical axis between the fourth lens and the fifth lens; TP5 is a thickness of the fifth lens on the optical axis; TP5 is a thickness of the fifth lens on the optical axis.

### Claim 16 (depends on 9)

The optical image capturing system of claim 9, wherein the optical image capturing system further satisfies:
0.1≦(TP1+IN12)/TP2≦10;
where IN12 is a distance on the optical axis between the first lens and the second lens; TP1 is a thickness of the first lens on the optical axis; TP2 is a thickness of the second lens on the optical axis.

### Claim 17 (depends on 9)

The optical image capturing system of claim 9, wherein the optical image capturing system further satisfies:
0<TP3/(IN23+TP3+IN34)<1;
where TP3 is a thickness of the third lens on the optical axis; IN23 is a distance on the optical axis between the second lens and the third lens; IN34 is a distance on the optical axis between the third lens and the fourth lens.

### Claim 18

An optical image capturing system, in order along an optical axis from an object side to an image side, comprising:
a first lens having positive refractive power;
a second lens having positive refractive power;
a third lens having negative refractive power;
a fourth lens having positive refractive power;
a fifth lens having negative refractive power, wherein the fifth lens has at least an inflection point on at least one surface among an object-side surface, which faces the object side, and an image-side surface, which faces the image side, thereof; and
an image plane;
wherein the optical image capturing system consists of the five lenses having refractive power; at least a surface of each of at least two lenses among the first lens to the fourth lens has at least an inflection point thereon; both an object-side surface, which faces the object side, and an image-side surface, which faces the image side, of the fourth lens are aspheric surfaces; both the object-side surface and the image-side surface of the fifth lens are aspheric surfaces;
wherein the optical image capturing system satisfies:
1.2≦f/HEP≦3.5;
0.4≦|tan(HAF)|≦6.0;
0.5≦HOS/f≦2.5;
0<InTL/HOS<0.9; and
1≦2(ARE/HEP)≦1.5;
where f1, f2, f3, 14, and f5 are focal lengths of the first lens to the fifth lens, respectively; f is a focal length of the optical image capturing system; HEP is an entrance pupil diameter of the optical image capturing system; HAF is a half of a view angle of the optical image capturing system; HOS is a distance in parallel with the optical axis between an object-side surface, which face the object side, of the first lens and the image plane; InTL is a distance in parallel with the optical axis from the object-side surface of the first lens to the image-side surface of the fifth lens; for any surface of any lens, ARE is a profile curve length measured from a start point where the optical axis passes therethrough, along a surface profile thereof, and finally to a coordinate point of a perpendicular distance where is a half of the entrance pupil diameter away from the optical axis.

### Claim 19 (depends on 18)

The optical image capturing system of claim 18, wherein the optical image capturing system further satisfies:
1≦ARS/EHD≦1.5;
where, for any surface of any lens, EHD is a maximum effective half diameter thereof, ARS is a profile curve length measured from a start point where the optical axis passes therethrough, along a surface profile thereof, and finally to an end point of the maximum effective half diameter thereof.

### Claim 20 (depends on 18)

The optical image capturing system of claim 18, wherein the optical image capturing system further satisfies:
0.5≦HOS/HOI≦2.5;
where HOI is a height for image formation perpendicular to the optical axis on the image plane.

### Claim 21 (depends on 18)

The optical image capturing system of claim 18, wherein the optical image capturing system further satisfies:
0.5≦ARE51/TP5≦15; and
0.5≦ARE52/TP5≦15;
where ARE51 is a profile curve length measured from a start point where the optical axis passes the object-side surface of the fifth lens, along a surface profile of the object-side surface of the fifth lens, and finally to a coordinate point of a perpendicular distance where is a half of the entrance pupil diameter away from the optical axis; ARE52 is a profile curve length measured from a start point where the optical axis passes the image-side surface of the fifth lens, along a surface profile of the image-side surface of the fifth lens, and finally to a coordinate point of a perpendicular distance where is a half of the entrance pupil diameter away from the optical axis; TP5 is a thickness of the fifth lens on the optical axis.

### Claim 22 (depends on 18)

The optical image capturing system of claim 18, wherein the optical image capturing system further satisfies:
0.5≦ARE41/TP4≦15; and
0.5≦ARE42/TP4≦15;
where ARE41 is a profile curve length measured from a start point where the optical axis passes the object-side surface of the fourth lens, along a surface profile of the object-side surface of the fourth lens, and finally to a coordinate point of a perpendicular distance where is a half of the entrance pupil diameter away from the optical axis; ARE42 is a profile curve length measured from a start point where the optical axis passes the image-side surface of the fourth lens, along a surface profile of the image-side surface of the fourth lens, and finally to a coordinate point of a perpendicular distance where is a half of the entrance pupil diameter away from the optical axis; TP4 is a thickness of the fourth lens on the optical axis.

### Claim 23 (depends on 18)

The optical image capturing system of claim 18, further comprising an aperture an image sensor, and a driving module, wherein the image sensor is disposed on the image plane; the driving module is coupled with the lenses to move the lenses; the optical image capturing system further satisfies:
0.2≦InS/HOS≦1.1;
where InS is a distance in parallel with the optical axis between the aperture and the image plane.