# US 10,120,167 B2 · Optical camera lens

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- Number: US 10,120,167 B2
- Document ID: US10120167B2
- Status: Granted
- Kind: B2
- Application number: 15/416,682
- Filed: 2017-01-26
- Published: 2018-06-14
- Granted: 2018-11-06
- Earliest claimed: 2016-12-14
- Assignees: AAC Technologies Pte. Ltd.
- Applicants: Jianming Wang
- Inventors: Jianming Wang
- Web page: https://patentgrep.com/patent/US10120167B2

## CPC

- G02B 13/0045: {having five or more lenses}
- G02B 9/60: having five components only
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

The present disclosure relates to the field of optical lens, and discloses an optical camera lens, which includes: an aperture, a first lens having positive refraction power, a second lens having negative refraction power, a third lens having negative refraction power, a fourth lens having positive refraction power and a fifth lens having negative refraction power, which satisfy following relational expressions: 0.70<f1/f<0.80, −1.9<f2/f<−1.7, −18<f3/f<−13, 0.59<f4/f<0.63, −0.52<f5/f<−0.48; 17<v3/n3<20, 1.08<n3/n5<1.20, 0.03<d5/TTL<0.04, 1.08<(f3−f4)/(f3+f4)<1.10. The optical camera lens provided by the present disclosure can satisfy the requirements on high pixel and large image height.

## Claims

### Claim 1

An optical camera lens, from an object side to an image side, successively comprising:
an aperture;
a first lens having positive refraction power;
a second lens having negative refraction power;
a third lens having negative refraction power;
a fourth lens having positive refraction power; and
a fifth lens having negative refraction power;
wherein a focal length of the integral optical camera lens is f, a focal length of the first lens is f1, a focal length of the second lens is f2, a focal length of the third lens is f3, a focal length of the fourth lens is f4 and a focal length of the fifth lens is f5, which satisfy following relational expressions:
0.70<f1/f<0.80;
−1.9<f2/f<−1.7;
−18<f3/f<−13;
0.59<f4/f<0.63;
−0.52<f5/f<−0.48;
wherein an abbe number of the third lens is v3, a refractive index of the third lens is n3, a refractive index of the fifth lens is n5, a thickness of the third lens is d5, a total track length of the optical camera lens is TTL, which satisfy following relational expressions:
17<v3/n3<20;
1.08<n3/n5<1.20;
0.03<d5/TTL<0.04;
1.08<(f3−f4)/(f3+f4)<1.10.

### Claim 2 (depends on 1)

The optical camera lens as described in claim 1, wherein the focal length f1 of the first lens, the focal length f2 of the second lens, the focal length f3 of the third lens, the focal length f4 of the fourth lens and the focal length f5 of the fifth lens satisfy following relational expressions, respectively:
2.7<f1<3.0;
−7.3<f2<−6.8;
−66<f3<−53;
2.2<f4<2.4;
−2.1<f5<−1.9.

### Claim 3 (depends on 1)

The optical camera lens as described in claim 1, wherein the refractive index n3 of the third lens satisfies following relational expression: n3>1.67.

### Claim 4 (depends on 3)

The optical camera lens as described in claim 3, wherein a refractive index n1 of the first lens, a refractive index n2 of the second lens, the refractive index n3 of the third lens, a refractive index n4 of the fourth lens and the refractive index n5 of the fifth lens satisfy following relational expressions, respectively:
1.50<n1<1.55;
1.63<n2<1.68;
1.68<n3<1.72;
1.52<n4<1.56;
1.52<n5<1.55.

### Claim 5 (depends on 1)

The optical camera lens as described in claim 1, wherein an abbe number v1 of the first lens, an abbe number v2 of the second lens, the abbe number v3 of the third lens, an abbe number v4 of the fourth lens and an abbe number v5 of the fifth lens satisfy following relational expressions, respectively:
52<v1<62;
20<v2<24;
30<v3<32;
48<v4<58;
53<v5<63.

### Claim 6 (depends on 5)

The optical camera lens as described in claim 5, wherein the abbe number v1 of the first lens, the abbe number v3 of the third lens satisfy following relational expression:
18<V1−V3<28.

### Claim 7 (depends on 1)

The optical camera lens as described in claim 1, wherein the total track length of the optical camera lens is less than or equal to 4.45 mm.

### Claim 8 (depends on 1)

The optical camera lens as described in claim 1, wherein the optical camera lens satisfies following relational expression: 0.40<|f1/f2|<0.42.

### Claim 9 (depends on 1)

The optical camera lens as described in claim 1, wherein the third lens is a glass lens, other lenses are plastic lenses.