# US 12,601,896 B2 · Optical camera lens assembly

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- Number: US 12,601,896 B2
- Document ID: US12601896B2
- Status: Granted
- Kind: B2
- Application number: 18/300,878
- Filed: 2023-04-14
- Published: 2024-01-18
- Granted: 2026-04-14
- Earliest claimed: 2022-07-15
- Assignees: Zhejiang Sunny Optics Co., Ltd.
- Applicants: Zhejiang Sunny Optics Co., Ltd
- Inventors: Jiadong Zhu; Xiancui Ding; Lin Huang; Liefeng Zhao; Fujian Dai; Zeguang Wang; Hui Li; Chao Wang; Yalin Ren
- Web page: https://patentgrep.com/patent/US12601896B2

## CPC

- G02B 13/0045: {having five or more lenses}
- G02B 7/021: {for more than one lens}
- G02B 9/64: having more than six components
- G02B 13/00: Optical objectives specially designed for the purposes specified below (with variable magnification {in general} G02B15/00)
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

An optical camera lens assembly is provided, including: a lens group, including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens arranged sequentially along an optical axis from an object side to an image side, where, each of the first, the fourth, and the sixth lens has a positive refractive power, and each of the second, the third, the fifth, and the seventh lens has a negative refractive power; and a plurality of spacing elements, including a third spacing element disposed between the third lens and the fourth lens and in contact with an image-side surface of the third lens; the optical camera lens assembly satisfies: 3.0<(R3+R4)/d3s<5.0.

## Claims

### Claim 1

An optical camera lens assembly, comprising:
a lens group, comprising a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens arranged sequentially along an optical axis from an object side to an image side, wherein, each of the first lens, the fourth lens, and the sixth lens has a positive refractive power, and each of the second lens, the third lens, the fifth lens, and the seventh lens has a negative refractive power; and
a plurality of spacing elements, comprising a third spacing element disposed between the third lens and the fourth lens and in contact with an image-side surface of the third lens;
the optical camera lens assembly satisfies:
3.0<(R3+R4)/d3s<5.0,
wherein, R3 is a radius of curvature of an object-side surface of the second lens, R4 is a radius of curvature of an image-side surface of the second lens, and d3s is an inner diameter of an object-side surface of the third spacing element,
wherein the plurality of spacing elements further comprise a fourth spacing element disposed between the fourth lens and the fifth lens and in contact with an image-side surface of the fourth lens and a fifth spacing element disposed between the fifth lens and the sixth lens and in contact with an image-side surface of the fifth lens, and
the optical camera lens assembly satisfies:
1.0<(EP45+CT5)/(T45+CP5)<2.5,
wherein, EP45 is a spacing between the fourth spacing element and the fifth spacing element, CP5 is a maximum thickness of the fifth spacing element, CT5 is a center thickness of the fifth lens on the optical axis, and T45 is an air spacing between the fourth lens and the fifth lens on the optical axis.

### Claim 2 (depends on 1)

The optical camera lens assembly according to claim 1, wherein the optical camera lens assembly further comprises a lens barrel, the lens barrel is configured to accommodate the lens group and the plurality of spacing elements, the plurality of spacing elements further comprise a first spacing element disposed between the first lens and the second lens and in contact with an image-side surface of the first lens, and
the optical camera lens assembly satisfies:
14.0<(EP01+CT1)/T12<19.0,
wherein, EP01 is a distance from an object-side end surface of the lens barrel to the first spacing element in a direction of the optical axis, CT1 is a center thickness of the first lens on the optical axis, and T12 is an air spacing between the first lens and the second lens on the optical axis.

### Claim 3 (depends on 1)

The optical camera lens assembly according to claim 1, wherein the plurality of spacing elements further comprise a first spacing element disposed between the first lens and the second lens and in contact with an image-side surface of the first lens and a second spacing element disposed between the second lens and the third lens and in contact with the image-side surface of the second lens, and
the optical camera lens assembly satisfies:
38.0<(d1s−d2s+CT2)/CP2<45.0,
wherein, CT2 is a center thickness of the second lens on the optical axis, d1s is an inner diameter of an object-side surface of the first spacing element, d2s is an inner diameter of an object-side surface of the second spacing element, and CP2 is a maximum thickness of the second spacing element.

### Claim 4 (depends on 3)

The optical camera lens assembly according to claim 3, wherein the optical camera lens assembly satisfies:
12.0<(R5−R6)/(d3s−d2s)<17.0,
wherein, d2s is the inner diameter of the object-side surface of the second spacing element, d3s is an inner diameter of an object-side surface of the third spacing element, R5 is a radius of curvature of a object-side surface of the third lens, and R6 is a radius of curvature of the image-side surface of the third lens.

### Claim 5 (depends on 1)

The optical camera lens assembly according to claim 1, wherein the plurality of spacing elements further comprise a second spacing element disposed between the second lens and the third lens and in contact with the image-side surface of the second lens, and
the optical camera lens assembly satisfies:
57.0<(T23+EP23)/CP3<61.0,
wherein, T23 is an air spacing between the second lens and the third lens on the optical axis, CP3 is a maximum thickness of the third spacing element, and EP23 is a spacing between the second spacing element and the third spacing element.

### Claim 6 (depends on 1)

The optical camera lens assembly according to claim 1, wherein the optical camera lens assembly satisfies:
−5.5<f3/D3s<−4.0,
wherein, f3 is an effective focal length of the third lens, and D3s is an outer diameter of the object-side surface of the third spacing element.

### Claim 7 (depends on 1)

The optical camera lens assembly according to claim 1, wherein
the optical camera lens assembly satisfies:
1.0<(R7+R8)/(D4s+d4s)<5.0,
wherein, R7 is a radius of curvature of an object-side surface of the fourth lens, R8 is a radius of curvature of anthe image-side surface of the fourth lens, D4s is an outer diameter of an object-side surface of the fourth spacing element, and d4s is an inner diameter of the object-side surface of the fourth spacing element.

### Claim 8 (depends on 7)

The optical camera lens assembly according to claim 7, wherein the optical camera lens assembly satisfies:
1.0<(CT4+T34)/(EP34+CP4)<2.5,
wherein, CT4 is a center thickness of the fourth lens on the optical axis, T34 is an air spacing between the third lens and the fourth lens on the optical axis, EP34 is a spacing between the third spacing element and the fourth spacing element, and CP4 is a maximum thickness of the fourth spacing element.

### Claim 9 (depends on 1)

The optical camera lens assembly according to claim 1, wherein
the optical camera lens assembly satisfies:
3.5<R9/d5m<5.5,
wherein, R9 is a radius of curvature of an object-side surface of the fifth lens, and d5m is an inner diameter of an image-side surface of the fifth spacing element.

### Claim 10 (depends on 9)

The optical camera lens assembly according to claim 9, wherein the plurality of spacing elements further comprise a sixth spacing element disposed between the sixth lens and the seventh lens and in contact with an image-side surface of the sixth lens, and
the optical camera lens assembly satisfies:
6.0<(EP56+CT6+CP6)/T56<8.0,
wherein, CT6 is a center thickness of the sixth lens on the optical axis, T56 is an air spacing between the fifth lens and the sixth lens on the optical axis, EP56 is a spacing between the fifth spacing element and the sixth spacing element, and CP6 is a maximum thickness of the sixth spacing element.

### Claim 11 (depends on 1)

The optical camera lens assembly according to claim 1, wherein the optical camera lens assembly satisfies:
ImgH>6.7 mm;
FNO<1.7; and
2.0<ΣEP/ΣCP<4.5,
wherein, ΣCP is a sum of a maximum thickness of each spacing element in the plurality of spacing elements, ΣEP is a sum of spacing distances between two adjacent spacing elements in the plurality of spacing elements, ImgH is half of a diagonal length of an effective pixel area on an image plane of the optical camera lens assembly, and Fno is a relative F number of the optical camera lens assembly.

### Claim 12 (depends on 2)

The optical camera lens assembly according to claim 2, wherein the optical camera lens assembly satisfies:
ImgH>6.7 mm;
FNO<1.7; and
2.0<ΣEP/ΣCP<4.5,
wherein, ΣCP is a sum of a maximum thickness of each spacing element in the plurality of spacing elements, ΣEP is a sum of spacing distances between two adjacent spacing elements in the plurality of spacing elements, ImgH is half of a diagonal length of an effective pixel area on an image plane of the optical camera lens assembly, and Fno is a relative F number of the optical camera lens assembly.

### Claim 13 (depends on 3)

The optical camera lens assembly according to claim 3, wherein the optical camera lens assembly satisfies:
ImgH>6.7 mm;
FNO<1.7; and
2.0<ΣEP/ΣCP<4.5,
wherein, ΣCP is a sum of a maximum thickness of each spacing element in the plurality of spacing elements, ΣEP is a sum of spacing distances between two adjacent spacing elements in the plurality of spacing elements, ImgH is half of a diagonal length of an effective pixel area on an image plane of the optical camera lens assembly, and Fno is a relative F number of the optical camera lens assembly.

### Claim 14 (depends on 4)

The optical camera lens assembly according to claim 4, wherein the optical camera lens assembly satisfies:
ImgH>6.7 mm;
FNO<1.7; and
2.0<ΣEP/ΣCP<4.5,
wherein, ΣCP is a sum of a maximum thickness of each spacing element in the plurality of spacing elements, ΣEP is a sum of spacing distances between two adjacent spacing elements in the plurality of spacing elements, ImgH is half of a diagonal length of an effective pixel area on an image plane of the optical camera lens assembly, and Fno is a relative F number of the optical camera lens assembly.

### Claim 15 (depends on 5)

The optical camera lens assembly according to claim 5, wherein the optical camera lens assembly satisfies:
ImgH>6.7 mm;
FNO<1.7; and
2.0<ΣEP/ΣCP<4.5,
wherein, ΣCP is a sum of a maximum thickness of each spacing element in the plurality of spacing elements, ΣEP is a sum of spacing distances between two adjacent spacing elements in the plurality of spacing elements, ImgH is half of a diagonal length of an effective pixel area on an image plane of the optical camera lens assembly, and Fno is a relative F number of the optical camera lens assembly.

### Claim 16 (depends on 6)

The optical camera lens assembly according to claim 6, wherein the optical camera lens assembly satisfies:
ImgH>6.7 mm;
FNO<1.7; and
2.0<ΣEP/ΣCP<4.5,
wherein, ΣCP is a sum of a maximum thickness of each spacing element in the plurality of spacing elements, ΣEP is a sum of spacing distances between two adjacent spacing elements in the plurality of spacing elements, ImgH is half of a diagonal length of an effective pixel area on an image plane of the optical camera lens assembly, and Fno is a relative F number of the optical camera lens assembly.

### Claim 17 (depends on 7)

The optical camera lens assembly according to claim 7, wherein the optical camera lens assembly satisfies:
ImgH>6.7 mm;
FNO<1.7; and
2.0<ΣEP/ΣCP<4.5,
wherein, ΣCP is a sum of a maximum thickness of each spacing element in the plurality of spacing elements, ΣEP is a sum of spacing distances between two adjacent spacing elements in the plurality of spacing elements, ImgH is half of a diagonal length of an effective pixel area on an image plane of the optical camera lens assembly, and Fno is a relative F number of the optical camera lens assembly.

### Claim 18 (depends on 8)

The optical camera lens assembly according to claim 8, wherein the optical camera lens assembly satisfies:
ImgH>6.7 mm;
FNO<1.7; and
2.0<ΣEP/ΣCP<4.5,
wherein, ΣCP is a sum of a maximum thickness of each spacing element in the plurality of spacing elements, ΣEP is a sum of spacing distances between two adjacent spacing elements in the plurality of spacing elements, ImgH is half of a diagonal length of an effective pixel area on an image plane of the optical camera lens assembly, and Fno is a relative F number of the optical camera lens assembly.

### Claim 19 (depends on 9)

The optical camera lens assembly according to claim 9, wherein the optical camera lens assembly satisfies:
ImgH>6.7 mm;
FNO<1.7; and
2.0<ΣEP/ΣCP<4.5,
wherein, ΣCP is a sum of a maximum thickness of each spacing element in the plurality of spacing elements, ΣEP is a sum of spacing distances between two adjacent spacing elements in the plurality of spacing elements, ImgH is half of a diagonal length of an effective pixel area on an image plane of the optical camera lens assembly, and Fno is a relative F number of the optical camera lens assembly.

### Claim 20

An optical camera lens assembly, comprising:
a lens group, comprising a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens arranged sequentially along an optical axis from an object side to an image side, wherein, each of the first lens, the fourth lens, and the sixth lens has a positive refractive power, and each of the second lens, the third lens, the fifth lens, and the seventh lens has a negative refractive power; and
a plurality of spacing elements, comprising a third spacing element disposed between the third lens and the fourth lens and in contact with an image-side surface of the third lens;
the optical camera lens assembly satisfies:
3.0<(R3+R4)/d3s<5.0,
wherein, R3 is a radius of curvature of an object-side surface of the second lens, R4 is a radius of curvature of an image-side surface of the second lens, and d3s is an inner diameter of an object-side surface of the third spacing element,
wherein the plurality of spacing elements further comprise a second spacing element disposed between the second lens and the third lens and in contact with the image-side surface of the second lens, and
the optical camera lens assembly satisfies:
57.0<(T23+EP23)/CP3<61.0,
wherein, T23 is an air spacing between the second lens and the third lens on the optical axis, CP3 is a maximum thickness of the third spacing element, and EP23 is a spacing between the second spacing element and the third spacing element.
