# US 10,871,630 B2 · Camera optical lens

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- Number: US 10,871,630 B2
- Document ID: US10871630B2
- Status: Granted
- Kind: B2
- Application number: 15/976,381
- Filed: 2018-05-10
- Published: 2019-07-25
- Granted: 2020-12-22
- Earliest claimed: 2018-01-23
- Assignees: AAC Optics Solutions Pte. Ltd.
- Applicants: AAC Technologies Pte. Ltd.
- Inventors: Chunhuan Fang; Lei Zhang; Yanmei Wang; Shuaijun Kuang
- Web page: https://patentgrep.com/patent/US10871630B2

## CPC

- G02B 13/0045: {having five or more lenses}
- G02B 1/041: {Lenses}
- G02B 9/62: having six components only
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

The present invention includes 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 having a positive refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of glass 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 having a positive refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens, and a sixth lens; wherein the camera optical lens consisting of six lenses, and further satisfies the following conditions:
0.5≤f1/f≤10;
2.28≤(R5+R6)/(R5−R6)≤4.80;
−3.25≤(R9+R10)/(R9−R10)≤−1.67;
1.7≤n5≤2.2;
0.01≤d9/TTL≤0.2;
where
f: a focal length of the camera optical lens;
f1: a focal length of the first lens;
n5: a refractive index of the fifth lens;
d9: a thickness on-axis of the fifth lens;
TTL: a total optical length of the camera optical 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;
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.

### Claim 2 (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 plastic material, the third lens is made of plastic material, the fourth lens is made of plastic material, the fifth lens is made of glass material, the sixth lens is made of plastic material.

### Claim 3 (depends on 1)

The camera optical lens as described in claim 1 further satisfying the following conditions:
0.936≤f1/f≤7.4895;
1.705≤n5≤2.1495;
0.0285≤d9/TTL≤0.141.

### Claim 4 (depends on 1)

The camera optical lens as described in claim 1, wherein first lens has a positive refractive power with a convex object side surface and a concave image side surface relative to a proximal axis; the camera optical lens further satisfies the following conditions:
−8.99≤(R1+R2)/(R1-R2)≤−1.85;
0.12≤d1≤0.52; 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:
−5.62≤(R1+R2)/(R1−R2)≤−2.31;
0.20≤d1≤0.41.

### Claim 6 (depends on 1)

The camera optical lens as described in claim 1, wherein the second lens has a convex object side surface and a concave image side surface relative to the proximal axis; the camera optical lens further satisfies the following conditions:
0.67≤f2/f≤3.89;
−3.84≤(R3+R4)/(R3−R4)≤−1.03;
0.31≤d3≤0.97; where:
f: the 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;
d3: a thickness on-axis of the second lens.

### Claim 7 (depends on 6)

The camera optical lens as described in claim 6 further satisfying the following conditions:
1.07≤f2/f≤3.11;
−2.40≤(R3+R4)/(R3−R4)≤−1.28;
0.50≤d3≤0.78.

### Claim 8 (depends on 1)

The camera optical lens as described in claim 1, wherein the third lens has a convex object side surface and a concave image side surface relative to the proximal axis; the camera optical lens further satisfies the following conditions:
−4.46≤f3/f≤−1.16;
0.11≤d5≤0.40; where
f: the focal length of the camera optical lens;
f3: a focal length 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:
−2.79≤f3/f≤−1.46;
0.18≤d5≤0.32.

### 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 convex object side surface and a convex image side surface relative to the proximal axis; the camera optical lens further satisfies the following conditions:
0.94≤f4/f≤3.44
−0.73≤(R7+R8)/(R7−R8)≤−0.13;
0.15≤d7≤0.79; where
f: the 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:
1.51≤f4/f≤2.75;
−0.45≤(R7+R8)/(R7−R8)≤−0.16;
0.25≤d7≤0.63.

### 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 relative to the proximal axis; the camera optical lens further satisfies the following conditions:
4.41≤f5/f≤−1.02;
0.13≤d9≤0.66; where
f: the focal length of the camera optical lens;
f5: a focal length of the fifth lens;
d9: the 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:
−2.75≤f5/f≤−1.28;
0.21≤d9≤0.52.

### Claim 14 (depends on 1)

The camera optical lens as described in claim 1, wherein the sixth lens has a positive refractive power with a convex object side surface and a concave image side surface relative to the proximal axis; the camera optical lens further satisfies the following conditions:
1.96≤f6/f≤19.22;
5.04≤(R11+R12)/(R11−R12)≤39.82;
0.50≤d11≤1.71; where
f: the 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:
3.14≤f6/f≤15.38;
8.06≤(R11+R12)/(R11−R12)≤31.85;
0.80≤d11≤1.37.

### Claim 16 (depends on 1)

The camera optical lens as described in claim 1 further satisfying the following condition:
0.44≤f12/f≤1.61; where
f12: a combined focal length of the first lens and the second lens;
f: the focal length of the camera optical lens.

### Claim 17 (depends on 16)

The camera optical lens as described in claim 16 further satisfying the following condition:
0.71≤f12/f≤1.28.

### Claim 18 (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 6.14 mm.

### Claim 19 (depends on 18)

The camera optical lens as described in claim 18, wherein the total optical length TTL of the camera optical lens is less than or equal to 5.86 mm.

### Claim 20 (depends on 1)

The camera optical lens as described in claim 1, wherein a aperture F number of the camera optical lens is less than or equal to 2.06.

### Claim 21 (depends on 20)

The camera optical lens as described in claim 20, wherein the aperture F number of the camera optical lens is less than or equal to 2.02.