# US 10,871,633 B2 · Camera optical lens

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- Number: US 10,871,633 B2
- Document ID: US10871633B2
- Status: Granted
- Kind: B2
- Application number: 16/198,378
- Filed: 2018-11-21
- Published: 2020-02-20
- Granted: 2020-12-22
- Earliest claimed: 2018-08-14
- Assignees: AAC Optics Solutions Pte. Ltd.
- Applicants: AAC Technologies Pte. Ltd.
- Inventors: Teranishi Takaaki; Lei Zhang; Yanmei Wang; Yingnan Zhang
- Web page: https://patentgrep.com/patent/US10871633B2

## CPC

- G02B 13/0045: {having five or more lenses}
- G02B 9/62: having six components only
- G02B 27/0025: {for optical correction, e.g. distorsion, aberration}
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of glass material, the third lens is made of glass material, the fourth lens is made of plastic material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.

## Claims

### Claim 1

A camera optical lens comprising, from an object side to an image side in sequence: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens; wherein there are no intervening lenses between the first lens and the second lens and the camera optical lens further satisfies the following conditions:
−5≤f1/f≤−3;
1.7≤n2≤2.2;
v3≥60;
0.03≤d3/TTL≤0.12;
1.17≤f12/f≤4.25;
where
f: a focal length of the camera optical lens;
f12: a combined focal length of the first lens and the second lens;
f1: a focal length of the first lens;
n2: a refractive index of the second lens;
v3: a abbe number of the third lens;
d3: a thickness on-axis of the second lens;
TTL: a total optical length from the object side surface of the first lens to the image surface along the optic axis of the camera optical lens.

### Claim 2 (depends on 1)

The camera optical lens as described in claim 1 further satisfying the following conditions:
−4.499≤f1/f≤−3;
1.71≤n2≤2.042;
v3≥60.334;
0.05≤d3/TTL≤0.1;

### Claim 3 (depends on 1)

The camera optical lens as described in claim 1, wherein the first lens is made of plastic material, the second lens is made of glass material, the third lens is made of glass material, the fourth lens is made of plastic material, the fifth lens is made of plastic material, the sixth lens is made of plastic material.

### Claim 4 (depends on 1)

The camera optical lens as described in claim 1, wherein first lens has a negative refractive power with a convex object side surface and a concave image side surface; the camera optical lens further satisfies the following conditions:
3.81≤(R1+R2)/(R1−R2)≤14.40;
0.02≤d1/TTL≤0.07; where
R1: a curvature radius of object side surface of the first lens;
R2: a curvature radius of image side surface of the first lens;
d1: a thickness on-axis of the first lens.

### Claim 5 (depends on 4)

The camera optical lens as described in claim 4 further satisfying the following conditions:
6.10≤(R1+R2)/(R1−R2)≤11.52;
0.04≤d1/TTL≤0.05.

### Claim 6 (depends on 1)

The camera optical lens as described in claim 1, wherein the second lens has a positive refractive power with a convex object side surface and a concave image side surface; the camera optical lens further satisfies the following conditions:
0.66≤f2/f≤2.09;
−5.80≤(R3+R4)/(R3−R4)≤−1.76; where
f: a focal length of the camera optical lens;
f2: a focal length of the second lens;
R3: a curvature radius of the object side surface of the second lens;
R4: a curvature radius of the image side surface of the second lens.

### Claim 7 (depends on 6)

The camera optical lens as described in claim 6 further satisfying the following conditions:
1.05≤f2/f≤1.67;
−3.62≤(R3+R4)/(R3−R4)≤−2.20.

### Claim 8 (depends on 1)

The camera optical lens as described in claim 1, wherein the third lens has a positive refractive power with a convex object side surface and a concave image side surface; the camera optical lens further satisfies the following conditions:
0.79≤f3/f≤2.53;
−2.96≤(R5+R6)/(R5−R6)≤−0.86;
0.04≤d5/TTL≤0.13; where
f: a focal length of the camera optical lens;
f3: a focal length of the third lens;
R5: a curvature radius of the object side surface of the third lens;
R6: a curvature radius of the image side surface of the third lens;
d5: a thickness on-axis of the third lens.

### Claim 9 (depends on 8)

The camera optical lens as described in claim 8 further satisfying the following conditions:
1.26≤f3/f≤2.02;
−1.85≤(R5+R6)/(R5−R6)≤−1.08;
0.06≤d5/TTL≤0.11.

### Claim 10 (depends on 1)

The camera optical lens as described in claim 1, wherein the fourth lens has a positive refractive power with a concave object side surface and a convex image side surface; the camera optical lens further satisfies the following conditions:
0.97≤f4/f≤3.32;
1.17≤(R7+R8)/(R7−R8)≤4.02;
0.05≤d7/TTL≤0.15; where
f: a focal length of the camera optical lens;
f4: a focal length of the fourth lens;
R7: a curvature radius of the object side surface of the fourth lens;
R8: a curvature radius of the image side surface of the fourth lens;
d7: a thickness on-axis of the fourth lens.

### Claim 11 (depends on 10)

The camera optical lens as described in claim 10 further satisfying the following conditions:
1.55≤f4/f≤2.66;
1.87≤(R7+R8)/(R7−R8)≤3.22;
0.08≤d7/TTL≤0.12.

### Claim 12 (depends on 1)

The camera optical lens as described in claim 1, wherein the fifth lens has a negative refractive power with a concave object side surface and a convex image side surface; the camera optical lens further satisfies the following conditions:
−3.23≤f5/f≤−0.89;
−11.67≤(R9+R10)/(R9−R10)≤−2.95;
0.03≤d9/TTL≤0.11; where
f: a focal length of the camera optical lens;
f5: a focal length of the fifth lens;
R9: a curvature radius of the object side surface of the fifth lens;
R10: a curvature radius of the image side surface of the fifth lens;
d9: a thickness on-axis of the fifth lens.

### Claim 13 (depends on 12)

The camera optical lens as described in claim 12 further satisfying the following conditions:
−2.02≤f5/f≤−1.11;
−7.29≤(R9+R10)/(R9−R10)≤−3.68;
0.04≤d9/TTL≤0.09.

### Claim 14 (depends on 1)

The camera optical lens as described in claim 1, wherein the sixth lens has a positive refractive power with convex object side surface and a concave image side surface; the camera optical lens further satisfies the following conditions:
2.01≤f6/f≤7.81;
−157.17≤(R11+R12)/(R11−R12)≤82.50;
0.10≤d11/TTL≤0.33; where
f: a focal length of the camera optical lens;
f6: a focal length of the sixth lens;
R11: a curvature radius of the object side surface of the sixth lens;
R12: a curvature radius of the image side surface of the sixth lens;
d11: a thickness on-axis of the sixth lens.

### Claim 15 (depends on 14)

The camera optical lens as described in claim 14 further satisfying the following conditions:
3.21≤f6/f≤6.25;
−98.23≤(R11+R12)/(R11−R12)≤66.00;
0.16≤d11/TTL≤0.26.

### Claim 16 (depends on 1)

The camera optical lens as described in claim 1 further satisfying the following condition:
1.87≤f12/f≤3.40.

### Claim 17 (depends on 1)

The camera optical lens as described in claim 1, wherein the total optical length TTL of the camera optical lens is less than or equal to 5.17 mm.

### Claim 18 (depends on 17)

The camera optical lens as described in claim 17, wherein the total optical length TTL of the camera optical lens is less than or equal to 4.94 mm.

### Claim 19 (depends on 1)

The camera optical lens as described in claim 1, wherein the aperture F number of the camera optical lens is less than or equal to 2.16.

### Claim 20 (depends on 19)

The camera optical lens as described in claim 19, wherein the aperture F number of the camera optical lens is less than or equal to 2.12.