# US 10,310,234 B1 · Camera optical lens

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- Number: US 10,310,234 B1
- Document ID: US10310234B1
- Status: Granted
- Kind: B1
- Application number: 15/871,162
- Filed: 2018-01-15
- Published: 2019-06-20
- Granted: 2019-06-04
- Earliest claimed: 2017-12-18
- Assignees: AAC Technologies Pte. Ltd.
- Applicants: AAC Technologies Pte. Ltd.
- Inventors: Kenji Oinuma; Lei Zhang; Yanmei Wang; Yuanshan Cui
- Web page: https://patentgrep.com/patent/US10310234B1

## CPC

- G02B 13/0045: {having five or more lenses}
- G02B 1/041: {Lenses}
- G02B 9/64: having more than six components
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

The present disclosure relates to an optical lens, in particular to a camera optical lens. The camera optical lens includes, 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, a sixth lens and a seventh 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, the sixth lens is made of plastic material, and the seventh lens is made of plastic material. The camera optical lens satisfies the following conditions: −10≤f1/f≤−3.1; 1.7≤n5≤2.2; 1≤f6/f7≤10; 1.7≤(R1+R2)/(R1−R2)≤10; and 0.01≤d9/TTL≤0.2. The camera optical lens can obtain high imaging performance and a low TTL (Total Track Length).

## 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, a sixth lens and a seventh lens;
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, and the seventh lens is made of plastic material;
wherein the camera optical lens further satisfies the following conditions:
−10≤f1/f≤−3.1;
1.7≤n5≤2.2;
1≤f6/f7≤10;
1.7≤(R1+R2)/(R1−R2)≤10;and,
0.01≤d9/TTL≤0.2;
where
f: the focal length of the camera optical lens;
f1: the focal length of the first lens;
f6: the focal length of the sixth lens;
f7: the focal length of the seventh lens;
n5: the refractive index of the fifth lens;
R1: the curvature radius of object side surface of the first lens;
R2: the curvature radius of image side surface of the first lens;
d9: the thickness on-axis of the fifth lens;
TTL: Total Track Length of the camera optical lens.

### Claim 2 (depends on 1)

The camera optical lens according to claim 1 further satisfying the following conditions:
−9.66≤f1/f≤−3.3;
1.706≤n5≤1.987;
1.5≤f6/f7≤9.965;
1.846≤(R1+R2)/(R1−R2)≤9.6;and,
0.048≤d9/TTL≤0.191.

### Claim 3 (depends on 1)

The camera optical lens according to claim 1, wherein the first lens has a negative refractive power with a convex object side surface and a concave image side surface relative to a proximal axis; wherein the camera optical lens further satisfies the following conditions:
0.11≤d1≤0.33; where
d1: the thickness on-axis of the first lens.

### Claim 4 (depends on 3)

The camera optical lens according to claim 3 further satisfying the following conditions:
0.17≤d1≤0.26.

### Claim 5 (depends on 1)

The camera optical lens according to claim 1, wherein the second lens has a positive refractive power with a convex object side surface and a convex image side surface relative to a proximal axis; wherein the camera optical lens further satisfies the following conditions:
0.4≤f2/f≤1.3;
−1.26≤(R3+R4)/(R3−R4)≤−0.29;and,
0.31≤d3≤1.25; where
f: the focal length of the camera optical lens;
f2: the focal length of the second lens;
R3: the curvature radius of the object side surface of the second lens;
R4: the curvature radius of the image side surface of the second lens;
d3: the thickness on-axis of the second lens.

### Claim 6 (depends on 5)

The camera optical lens according to claim 5 further satisfying the following condition:
0.64≤f2/f≤1.04;
−0.79≤(R3+R4)/(R3−R4)≤−0.36;and,
0.49≤d3≤1.00.

### Claim 7 (depends on 1)

The camera optical lens according to claim 1, wherein the third lens has a negative refractive power; wherein the camera optical lens further satisfies the following conditions:
−12.52≤f3/f≤−1.82;
−4.19≤(R5+R6)/(R5−R6)≤16.4;and,
0.11≤d5≤0.33; where
f: the focal length of the camera optical lens;
f3: the focal length of the third lens;
R5: the curvature radius of the object side surface of the third lens;
R6: the curvature radius of the image side surface of the third lens;
d5: the thickness on-axis of the third lens.

### Claim 8 (depends on 7)

The camera optical lens according to claim 7 further satisfying the following conditions:
−7.83≤f3/f≤−2.28;
−2.62≤(R5+R6)/(R5−R6)≤13.12; and,
0.17≤d5≤0.26.

### Claim 9 (depends on 1)

The camera optical lens according to claim 1, wherein the fourth lens has a negative refractive power; wherein the camera optical lens further satisfies the following conditions:
−13.52≤f4/f≤−1.89;
−15.53≤(R7+R8)/(R7−R8)≤5.09; and,
0.12≤d7≤0.64; where
f: the focal length of the camera optical lens;
f4: the focal length of the fourth lens;
R7: the curvature radius of the object side surface of the fourth lens;
R8: the curvature radius of the image side surface of the fourth lens;
d7: the thickness on-axis of the fourth lens.

### Claim 10 (depends on 9)

The camera optical lens according to claim 9 further satisfying the following conditions:
−8.45≤f4/f≤−2.36;
−9.7≤(R7+R8)/(R7−R8)≤4.07; and,
0.19≤d7≤0.51.

### Claim 11 (depends on 1)

The camera optical lens according to claim 1, wherein the fifth lens has a positive refractive power with a concave object side surface and a convex image side surface relative to a proximal axis; wherein the camera optical lens further satisfies the following conditions:
0.2≤f5/f≤0.99;
0.64≤(R9+R10)/(R9−R10)≤4.17;and,
0.24≤d9≤1.5; where
f: the focal length of the camera optical lens;
f5: the focal length of the fifth lens;
R9: the curvature radius of the object side surface of the fifth lens;
R10: the curvature radius of the image side surface of the fifth lens;
d9: the thickness on-axis of the fifth lens.

### Claim 12 (depends on 11)

The camera optical lens according to claim 11 further satisfying the following conditions:
0.33≤f5/f≤0.79;
1.03≤(R9+R10)/(R9−R10)≤3.34; and,
0.38≤d9≤1.2.

### Claim 13 (depends on 1)

The camera optical lens according to claim 1, wherein the sixth lens has a negative refractive power with a concave image side surface relative to a proximal axis; wherein the camera optical lens further satisfies the following conditions:
−10.05≤f6/f≤−0.77;
−1.25≤(R11+R12)/(R11−R12)≤4.52; and,
0.11≤d11≤0.72; where
f: the focal length of the camera optical lens;
f6: the focal length of the sixth lens;
R11: the curvature radius of the object side surface of the sixth lens;
R12: the curvature radius of the image side surface of the sixth lens;
d1: the thickness on-axis of the sixth lens.

### Claim 14 (depends on 13)

The camera optical lens according to claim 13 further satisfying the following conditions:
−6.28≤f6/f≤−0.96;
−0.78≤(R11+R12)/(R11−R12)≤3.61; and,
0.17≤d11≤0.58.

### Claim 15 (depends on 1)

The camera optical lens according to claim 1, wherein the seventh lens has a negative refractive power with a concave image side surface relative to a proximal axis; wherein the camera optical lens further satisfies the following conditions:
0.27≤(R13+R14)/(R13−R14)≤4.26;
−1.92≤f7/f≤−0.34;and,
0.16≤d13≤0.6; where
f: the focal length of the camera optical lens;
f7: the focal length of the seventh lens;
d13: the thickness on-axis of the seventh lens;
R13: the curvature radius of the object side surface of the seventh lens;
R14: the curvature radius of the image side surface of the seventh lens.

### Claim 16 (depends on 15)

The camera optical lens according to claim 15 further satisfying the following conditions:
0.43≤(R13+R14)/(R13−R14)≤3.41;
−1.2≤f7/f≤−0.42; and,
0.25≤d13≤0.48.

### Claim 17 (depends on 1)

The camera optical lens according to claim 1, wherein the total optical length TTL of the camera optical lens is less than or equal to 6.03 mm.

### Claim 18 (depends on 17)

The camera optical lens according to claim 17, wherein the total optical length TTL of the camera optical lens is less than or equal to 5.76 mm.

### Claim 19 (depends on 1)

The camera optical lens according to claim 1, wherein the aperture F number of the camera optical lens is less than or equal to 2.21.

### Claim 20 (depends on 1)

The camera optical lens according to claim 1, wherein the aperture F number of the camera optical lens is less than or equal to 2.17.