# US 2022/0091382 A1 · Camera optical lens

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- Number: US 2022/0091382 A1
- Document ID: US20220091382A1
- Status: Published application
- Kind: A1
- Application number: 17/136,015
- Filed: 2020-12-29
- Published: 2022-03-24
- Earliest claimed: 2020-09-21
- Assignees: Changzhou Raytech Optronics Co., Ltd.
- Applicants: Changzhou Raytech Optronics Co., Ltd.
- Inventors: Yimeng Dou
- Web page: https://patentgrep.com/patent/US20220091382A1

## CPC

- G02B 13/0045: {having five or more lenses}
- G02B 9/62: having six components only
- G02B 13/06: Panoramic objectives; So-called "sky lenses" {including panoramic objectives having reflecting surfaces}
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

The present disclosure provides a camera optical lens including from an object side to an image side: a first lens having a negative refractive power; a second lens having a positive refractive power; a third lens having a positive power; a fourth lens having a negative refractive power, a fifth lens having a positive power; and a sixth lens having a negative refractive power; wherein the camera optical lens satisfies following conditions: 60.00≤v1≤90.00; 60.00≤v3≤90.00; 1.00≤d10/d11≤5.00; where v1 denotes an abbe number of the first lens, v3 denotes an abbe number of the third lens, d10 denotes an on-axis distance from the image-side surface of the fifth lens to the object-side surface of the sixth lens, and d11 denotes an on-axis thickness of the sixth lens. The camera optical lens in the present disclosure satisfies a design requirement of ultra wide angle and ultra-thinness while having good optical performance.

## Claims

### Claim 1

A camera optical lens, with six lenses, comprising from an object side to an image side:
a first lens having a negative refractive power;
a second lens having a positive refractive power;
a third lens having a positive power;
a fourth lens having a negative refractive power,
a fifth lens having a positive power; and
a sixth lens having a negative refractive power;
wherein the camera optical lens satisfies following conditions:
60.00≤v1≤90.00;
60.00≤v3≤90.00; and
1.00≤d10/d11≤5.00;
where
v1 denotes an abbe number of the first lens;
v3 denotes an abbe number of the third lens;
d10 denotes an on-axis distance from the image-side surface of the fifth lens to the object-side surface of the sixth lens; and
d11 denotes an on-axis thickness of the sixth lens.

### Claim 2 (depends on 1)

The camera optical lens according to claim 1 further satisfying the following condition:
−12.00≤f6/f≤−3.00;
where
f denotes a focal length of the camera optical lens; and
f6 denotes a focal length of the sixth lens.

### Claim 3 (depends on 1)

The camera optical lens according to claim 1 further satisfying the following conditions:
−3 0.62≤f1/f≤−1.00;
−0.75≤(R1+R2)/(R1−R2)≤0.01; and
0.04≤d1/TTL≤0.16
where
f denotes a focal length of the camera optical lens;
f1 denotes a focal length of the first lens;
R1 denotes a central curvature radius of an object-side surface of the first lens;
R2 denotes a central curvature radius of an image-side surface of the first lens; and
TTL denotes a total optical length of the camera optical lens.

### Claim 4 (depends on 1)

The camera optical lens according to claim 1 further satisfying the following conditions:
1.81≤f2/f≤19.46;
0.22≤(R3+R4)/(R3−R4)≤3.37; and
0.05≤d3/TTL≤0.19;
where
f denotes a focal length of the camera optical lens;
f2 denotes a focal length of the second lens;
R3 denotes a central curvature radius of an object-side surface of the second lens;
R4 denotes a central curvature radius of an image-side surface of the second lens;
d3 denotes an on-axis thickness of the second lens; and
TTL denotes a total optical length of the camera optical lens.

### Claim 5 (depends on 1)

The camera optical lens according to claim 1 further satisfying the following conditions:
0.55≤f3/f≤2.42;
−1.22≤(R5+R6)/(R5−R6)≤0; and
0.06≤d5/TTL≤0.21;
where
f denotes a focal length of the camera optical lens;
f3 denotes a focal length of the third lens;
R5 denotes a central curvature radius of an object-side surface of the third lens;
R6 denotes a central curvature radius of an image-side surface of the third lens;
d5 denotes an on-axis thickness of the third lens; and
TTL denotes a total optical length of the camera optical lens.

### Claim 6 (depends on 1)

The camera optical lens according to claim 1 further satisfying the following conditions:
−4.87≤f4/f≤−1.12;
0.54≤(R7+R8)/(R7−R8)≤4.49; and
0.02≤d7/TTL≤0.06;
where
f denotes a focal length of the camera optical lens;
f4 denotes a focal length of the fourth lens;
R7 denotes a central curvature radius of an object-side surface of the fourth lens;
R8 denotes a central curvature radius of an image-side surface of the fourth lens;
d7 denotes an on-axis thickness of the fourth lens; and
TTL denotes a total optical length of the camera optical lens.

### Claim 7 (depends on 1)

The camera optical lens according to claim 1 further satisfying the following conditions:
0.59≤f5/f≤4.38;
−6.13≤(R9+R10)/(R9−R10)≤−1.00; and
0.04≤d9/TTL≤0.16;
where
f denotes a focal length of the camera optical lens;
f5 denotes a focal length of the fifth lens;
R9 denotes a central curvature radius of an object-side surface of the fifth lens;
R10 denotes a central curvature radius of an image-side surface of the fifth lens;
d9 denotes an on-axis thickness of the fifth lens; and
TTL denotes a total optical length of the camera optical lens.

### Claim 8 (depends on 1)

The camera optical lens according to claim 1 further satisfying the following conditions:
2.07≤(R11+R12)/(R11−R12)≤14.28; and
0.02≤d11/TTL≤0.13;
where
R11 denotes a central curvature radius of an object-side surface of the sixth lens;
R12 denotes a central curvature radius of an image-side surface of the sixth lens; and
TTL denotes a total optical length of the camera optical lens.

### Claim 9 (depends on 1)

The camera optical lens according to claim 1 further satisfying the following condition:
TTL/IH≤2.25;
where
TTL denotes a total optical length of the camera optical lens; and
IH denotes an image height of the camera optical lens.

### Claim 10 (depends on 1)

The camera optical lens according to claim 1 further satisfying the following condition:
FOV≥160.00°;
where
FOV denotes a field of view of the camera optical lens.

### Claim 11 (depends on 1)

The camera optical lens according to claim 1, wherein the first lens and the third lens are made of glass.