CN108363169B - Image pickup optical lens - Google Patents
Image pickup optical lens Download PDFInfo
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- CN108363169B CN108363169B CN201810108820.0A CN201810108820A CN108363169B CN 108363169 B CN108363169 B CN 108363169B CN 201810108820 A CN201810108820 A CN 201810108820A CN 108363169 B CN108363169 B CN 108363169B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
Abstract
The invention relates to the field of optical lenses, and discloses an image pickup optical lens, which sequentially comprises from an object side to an image side: a first lens, an aperture stop, a second lens, a third lens, a fourth lens, and a fifth lens; the imaging optical lens satisfies the following relational expression: 1< f1/f < 1.55; 1< f2/f < 1.55; 1< (r3+ r4)/(r3-r4) < 4; 1.75< n2< 2.2; 35< v2< 45; 0.05< d3/ttl < 0.1; 0.05< d2/ttl < 0.1; 0.005< d4/ttl < 0.01. The imaging optical lens can obtain high imaging performance and simultaneously has wide angle of the imaging optical lens.
Description
Technical Field
The present invention relates to the field of optical lenses, and more particularly, to an imaging optical lens suitable for portable terminal devices such as smart phones and digital cameras, and imaging apparatuses such as monitors and PC lenses.
Background
In recent years, with the rise of smart phones, the demand of miniaturized camera lenses is increasing, and the photosensitive devices of general camera lenses are not limited to two types, namely, a Charge Coupled Device (CCD) or a Complementary Metal-oxide semiconductor (CMOS) Sensor, and due to the advanced semiconductor manufacturing process, the pixel size of the photosensitive devices is reduced, and in addition, the current electronic products are developed with a good function, a light weight, a small size and a light weight, so that the miniaturized camera optical lens with good imaging quality is really the mainstream in the current market. In order to obtain better imaging quality, the lens mounted on the mobile phone camera conventionally adopts a three-piece or four-piece lens structure. Moreover, with the development of technology and the increase of diversified demands of users, under the conditions that the pixel area of the photosensitive device is continuously reduced and the requirements of the system on the imaging quality are continuously improved, five-piece and six-piece lens structures gradually appear in the design of the lens.
However, in the conventional imaging optical lens, regardless of the three-piece type, four-piece type, five-piece type, or six-piece type, it is impossible to obtain high imaging performance and simultaneously achieve a wide angle of view of the imaging optical lens.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an imaging optical lens that can achieve both high imaging performance and a wide angle of view.
To solve the above-mentioned problems, an embodiment of the present invention provides an imaging optical lens, in order from an object side to an image side: a first lens element with positive refractive power, an aperture stop, a second lens element with positive refractive power, a third lens element with negative refractive power, a fourth lens element with positive refractive power, and a fifth lens element with negative refractive power; the focal length of the whole imaging optical lens is f, the focal length of the first lens is f1, the focal length of the second lens is f2, the curvature radius of the object-side surface of the second lens is r3, the curvature radius of the image-side surface of the second lens is r4, the refractive index of the second lens is n2, the abbe number of the second lens is v2, the on-axis thickness of the second lens is d3, the on-axis distance from the image-side surface of the first lens to the object-side surface of the second lens is d2, the on-axis distance from the image-side surface of the second lens to the object-side surface of the third lens is d4, the total optical length of the imaging optical lens is ttl, and the following relational expressions are satisfied: 1< f1/f < 1.55; 1< f2/f < 1.55; 1< (r3+ r4)/(r3-r4) < 4; 1.75< n2< 2.2; 35< v2< 45; 0.05< d3/ttl < 0.1; 0.05< d2/ttl < 0.1; 0.005< d4/ttl < 0.01.
Compared with the prior art, the embodiment of the invention utilizes the arrangement mode of the lenses and the common matching of the lenses with specific relation on the data of focal length, curvature radius, refractive index, Abbe number, on-axis thickness, lens interval and total length of the shooting optical lens, so that the shooting optical lens can obtain high imaging performance and simultaneously has wide angle of the shooting optical lens.
In addition, a focal length f3 of the third lens, a focal length f4 of the fourth lens, and a focal length f5 of the fifth lens satisfy the following relation: 1< f1/f < 1.5; 1< f2/f < 1.5; -3< f3/f < -1; 0.5< f4/f < 2; -2< f5/f < -0.5.
In addition, the refractive index n1 of the first lens, the refractive index n3 of the third lens, the refractive index n4 of the fourth lens, and the refractive index n5 of the fifth lens satisfy the following relational expressions: 1.5< n1< 1.65; 1.5< n3< 1.7; 1.5< n4< 1.7; 1.5< n5< 1.7.
In addition, the abbe number v1 of the first lens, the abbe number v3 of the third lens, the abbe number v4 of the fourth lens, and the abbe number v5 of the fifth lens satisfy the following relational expressions: 40< v1< 65; 15< v3< 30; 15< v4< 30; 15< v5< 30.
The invention has the advantages that the optical camera lens has excellent optical characteristics, is ultrathin, has wide angle and can fully correct chromatic aberration, and is particularly suitable for mobile phone camera lens components and WEB camera lenses which are composed of high-pixel CCD, CMOS and other camera elements.
Drawings
Fig. 1 is a schematic configuration diagram of an imaging optical lens according to a first embodiment of the present invention;
FIG. 2 is a schematic axial aberration diagram of the imaging optical lens of FIG. 1;
fig. 3 is a schematic diagram of chromatic aberration of magnification of the imaging optical lens shown in fig. 1;
FIG. 4 is a schematic view of curvature of field and distortion of the imaging optical lens of FIG. 1;
fig. 5 is a schematic configuration diagram of an imaging optical lens according to a second embodiment of the present invention;
FIG. 6 is a schematic axial aberration diagram of the imaging optical lens of FIG. 5;
fig. 7 is a schematic diagram of chromatic aberration of magnification of the imaging optical lens shown in fig. 5;
fig. 8 is a schematic view of curvature of field and distortion of the imaging optical lens shown in fig. 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present invention in its various embodiments. However, the technical solution claimed in the present invention can be implemented without these technical details and various changes and modifications based on the following embodiments.
Referring to the drawings, the present invention provides an image pickup optical lens 10. Fig. 1 shows an imaging optical lens 10 according to a first embodiment of the present invention, and the imaging optical lens 10 includes five lenses. Specifically, the imaging optical lens 10, in order from an object side to an image side, includes: a first lens L1, a stop St, a second lens L2, a third lens L3, a fourth lens L4, and a fifth lens L5. An optical element such as an optical filter (filter) GF may be disposed between the fifth lens L5 and the image plane Si.
The first lens element L1 with positive refractive power has a convex object-side surface and a concave image-side surface, and the length of the system can be effectively reduced by the first lens element L1 with positive refractive power. In the present embodiment, the object-side surface of the second lens element L2 is concave in the paraxial region and the image-side surface is convex in the paraxial region, and the stop St is disposed between the first lens element L1 and the second lens element L2. The third lens element L3 with negative refractive power has a concave object-side surface and a concave image-side surface in the paraxial region of the third lens element L3. The fourth lens element L4 with positive refractive power has a concave object-side surface and a convex image-side surface, and the paraxial region thereof is disposed on the fourth lens element L4. The fifth lens element L5 with negative refractive power has a convex object-side surface and a concave image-side surface, both of which are disposed paraxially to the fifth lens element L5.
Here, it is defined that the focal length of the entire imaging optical lens 10 is f, the focal length of the first lens L1 is f1, the focal length of the second lens L2 is f2, the radius of curvature of the object-side surface of the second lens L2 is r3, the radius of curvature of the image-side surface of the second lens L2 is r4, the refractive index of the second lens L2 is n2, the abbe number v2 of the second lens L2, the on-axis thickness of the second lens L2 is d3, the on-axis distance from the image-side surface of the first lens L1 to the object-side surface of the second lens L2 is d2, the on-axis distance from the image-side surface of the second lens L2 to the object-side surface of the third lens L3 is d4, and the total optical length of the imaging optical lens 10 is ttl. The f, f1, f2, r3, r4, n2, v2, d3, d2, d4 and ttl satisfy the following relations: 1< f1/f < 1.55; 1< f2/f < 1.55; 1< (r3+ r4)/(r3-r4) < 4; 1.75< n2<2.2,35< v2< 45; 0.05< d3/ttl <0.1,0.05< d2/ttl < 0.1; 0.005< d4/ttl < 0.01.
When the focal length of the image pickup optical lens 10, the focal length of the relevant lens, the curvature radius of the relevant lens, the refractive index, the abbe number, the on-axis thickness, the lens pitch, and the optical total length of the image pickup optical lens 10 satisfy the above relational expressions, the image pickup optical lens 10 can obtain high imaging performance and simultaneously have wide angle of the image pickup optical lens.
Specifically, in the embodiment of the present invention, the focal length f of the entire imaging optical lens, the focal length f1 of the first lens L1, the focal length f2 of the second lens L2, the focal length f3 of the third lens L3, the focal length f4 of the fourth lens L4, and the focal length f5 of the fifth lens L5 may be designed to satisfy the following relationships: 1< f1/f < 1.5; 1< f2/f < 1.5; -3< f3/f < -1; 0.5< f4/f < 2; -2< f5/f < -0.5; unit: millimeters (mm). With such a design, the total optical length TTL of the entire imaging optical lens 10 can be made as short as possible, and the characteristic of miniaturization can be maintained.
In the embodiment of the present invention, the first lens L1 is made of plastic, the first lens L2 is made of glass, and the third lens L3, the fourth lens L4 and the fifth lens L5 are made of plastic. By such design, the optical performance of the imaging optical lens 10 can be effectively improved, and the imaging optical lens has good reliability under different temperature and humidity conditions.
Further, in a preferred embodiment of the present invention, the refractive index n1 of the first lens L1, the refractive index n3 of the third lens L3, the refractive index n4 of the fourth lens L4, and the refractive index n5 of the fifth lens L5 satisfy the following relational expressions: 1.5< n1< 1.65; 1.5< n3< 1.7; 1.5< n4< 1.7; 1.5< n5< 1.7. Due to the design, the lens can be well matched when different optical materials are adopted, and the shooting optical lens 10 can obtain better imaging quality.
In the embodiment of the present invention, the abbe number v1 of the first lens L1, the abbe number v3 of the third lens L3, the abbe number v4 of the fourth lens L4, and the abbe number v5 of the fifth lens L5 may be designed to satisfy the following relationships: 40< v1< 65; 15< v3< 30; 15< v4< 30; 15< v5< 30. By such design, the optical chromatic aberration phenomenon during imaging of the imaging optical lens 10 can be effectively inhibited.
It is understood that the refractive index design and abbe number design of the above lenses can be combined to be applied to the design of the image pickup optical lens 10, and in the present embodiment, the third lens L3, the fourth lens L4, and the fifth lens L5 are made of high dispersion materials, which can effectively compensate the chromatic aberration of the first and second lenses, and greatly improve the image quality of the image pickup optical lens 10. In the present embodiment, the second lens L2 is made of a high refractive index material, and the system can be effectively widened.
Preferably, the object side surface and/or the image side surface of the lens may be further provided with an inflection point and/or a stagnation point to meet the requirement of high-quality imaging.
The following shows design data of the image pickup optical lens 10 according to embodiment 1 of the present invention.
Tables 1 and 2 show data of the imaging optical lens 10 according to embodiment 1 of the present invention.
[ TABLE 1 ]
The meaning of each symbol is as follows.
f: the focal length of the imaging optical lens 10;
f 1: focal length of the first lens L1;
f 2: focal length of the second lens L2;
f 3: focal length of third lens L3;
f 4: the focal length of the fourth lens L4;
f 5: the focal length of the fifth lens L5;
f 12: the combined focal length of the first lens L1 and the second lens L2.
[ TABLE 2 ]
Wherein, R1 and R2 are the object-side surface and the image-side surface of the first lens L1, R3 and R4 are the object-side surface and the image-side surface of the second lens L2, R5 and R6 are the object-side surface and the image-side surface of the third lens L3, R7 and R8 are the object-side surface and the image-side surface of the fourth lens L4, R9 and R10 are the object-side surface and the image-side surface of the fifth lens L5, and R11 and R12 are the object-side surface and the image-side surface of the optical filter GF. The other symbols have the following meanings.
d 0: the on-axis distance from the stop St to the object-side surface of the first lens L1;
d 1: the on-axis thickness of the first lens L1;
d 2: the on-axis distance from the image-side surface of the first lens L1 to the object-side surface of the second lens L2;
d 3: the on-axis thickness of the second lens L2;
d 4: the on-axis distance from the image-side surface of the second lens L2 to the object-side surface of the third lens L3;
d 5: the on-axis thickness of the third lens L3;
d 6: the on-axis distance from the image-side surface of the third lens L3 to the object-side surface of the fourth lens L4;
d 7: the on-axis thickness of the fourth lens L4;
d 8: an on-axis distance from an image-side surface of the fourth lens L4 to an object-side surface of the fifth lens L5;
d 9: the on-axis thickness of the fifth lens L5;
d 10: the on-axis distance from the image-side surface of the fifth lens L5 to the object-side surface of the optical filter GF;
d 11: on-axis thickness of the optical filter GF;
d 12: the on-axis distance from the image side surface of the optical filter GF to the image surface;
nd 1: the refractive index of the first lens L1;
nd 2: the refractive index of the second lens L2;
nd 3: refractive index of the third lens L3;
nd 4: refractive index of the fourth lens L4;
nd 5: the refractive index of the fifth lens L5;
ndg: refractive index of the optical filter GF;
v 1: abbe number of the first lens L1;
v 2: abbe number of the second lens L2;
v 3: abbe number of the third lens L3;
v 4: abbe number of the fourth lens L4;
v 5: abbe number of the fifth lens L5;
vg: abbe number of the optical filter GF.
Table 3 shows aspherical surface data of each lens in the imaging optical lens 10 according to embodiment 1 of the present invention.
[ TABLE 3 ]
Tables 4 and 5 show the inflection point and stagnation point design data of each lens in the imaging optical lens 10 according to embodiment 1 of the present invention. Wherein, R1 and R2 represent the object side surface and the image side surface of the first lens L1, R3 and R4 represent the object side surface and the image side surface of the second lens L2, R5 and R6 represent the object side surface and the image side surface of the third lens L3, R7 and R8 represent the object side surface and the image side surface of the fourth lens L4, and R9 and R10 represent the object side surface and the image side surface of the fifth lens L5, respectively. The "inflection point position" field correspondence data is a vertical distance from an inflection point set on each lens surface to the optical axis of the image pickup optical lens 10. The "stagnation point position" field corresponding data is the vertical distance from the stagnation point set on each lens surface to the optical axis of the imaging optical lens 10.
[ TABLE 4 ]
| Number of points of inflection | Position of reverse curvature 1 | Position of |
Position of |
|
| R1 | 1 | 0.805 | ||
| R2 | 1 | 0.595 | ||
| |
0 | |||
| |
0 | |||
| |
0 | |||
| |
2 | 0.275 | 0.995 | |
| R7 | 1 | 1.095 | ||
| |
2 | 1.115 | 1.525 | |
| |
3 | 0.315 | 1.585 | 2.255 |
| R10 | 1 | 0.525 |
[ TABLE 5 ]
Fig. 2 and 3 are schematic diagrams showing axial aberrations and chromatic aberrations of magnification after light having wavelengths of 486nm, 588nm, and 656nm passes through the imaging optical lens 10 according to embodiment 1. Fig. 4 is a schematic view showing astigmatic field curvatures and distortions of light having a wavelength of 588nm after passing through the imaging optical lens 10 according to embodiment 1.
Table 6 below shows the numerical values corresponding to the respective conditional expressions in the present embodiment in accordance with the conditional expressions. Obviously, the imaging optical system of the present embodiment satisfies the above conditional expressions.
[ TABLE 6 ]
| Condition | Embodiment mode 1 |
| 1<f1/f<1.55 | 1.503 |
| 1<f2/f<1.55 | 1.136 |
| 1<(r3+r4)/(r3-r4)<4 | 1.733 |
| 1.75<n2<2.2 | 1.806 |
| 35<v2<45 | 40.948 |
| 0.05<d3/ttl<0.1 | 0.08963145 |
| 0.05<d2/ttl<0.1 | 0.083428608 |
| 0.005<d4/ttl<0.01 | 0.006667052 |
In the present embodiment, the imaging optical lens has an entrance pupil diameter of 1.642mm, a full field image height of 3.24mm, and a diagonal field angle of 88.52 °.
The following shows design data of the image pickup optical lens 20 according to embodiment 2 of the present invention.
Tables 7 and 8 show data of the imaging optical lens 20 according to embodiment 2 of the present invention.
[ TABLE 7 ]
[ TABLE 8 ]
Table 9 shows aspherical surface data of each lens in the imaging optical lens 20 according to embodiment 2 of the present invention.
[ TABLE 9 ]
Tables 10 and 11 show the inflection point and stagnation point design data of each lens in the imaging optical lens 20 according to embodiment 2 of the present invention. The "inflection point position" field correspondence data is a vertical distance from an inflection point set on each lens surface to the optical axis of the image pickup optical lens 20. The "stagnation point position" field corresponding data is the vertical distance from the stagnation point set on each lens surface to the optical axis of the image pickup optical lens 20.
[ TABLE 10 ]
| Number of points of inflection | Position of reverse curvature 1 | Position of |
Position of |
|
| R1 | 1 | 0.855 | ||
| R2 | 1 | 0.605 | ||
| |
0 | |||
| R4 | 1 | 0.815 | ||
| |
0 | |||
| |
2 | 0.325 | 0.925 | |
| |
2 | 0.955 | 1.105 | |
| |
2 | 1.035 | 1.415 | |
| |
3 | 0.215 | 1.315 | 2.315 |
| |
3 | 0.495 | 2.515 | 2.635 |
[ TABLE 11 ]
| Number of stagnation points | Location of stagnation 1 | Location of |
|
| |
0 | ||
| |
0 | ||
| |
0 | ||
| |
0 | ||
| |
0 | ||
| |
2 | 0.635 | 1.075 |
| |
0 | ||
| |
0 | ||
| R9 | 1 | 0.385 | |
| R10 | 1 | 1.325 |
Fig. 6 and 7 are schematic diagrams showing axial aberrations and chromatic aberrations of magnification of light having wavelengths of 486nm, 588nm, and 656nm passing through the imaging optical lens 20 according to embodiment 2. Fig. 8 is a schematic view showing astigmatic field curvatures and distortions of light having a wavelength of 588nm after passing through the imaging optical lens 20 according to embodiment 2.
Table 12 below shows the numerical values corresponding to the respective conditional expressions in the present embodiment in accordance with the conditional expressions. Obviously, the imaging optical system of the present embodiment satisfies the above conditional expressions.
[ TABLE 12 ]
| Condition | Embodiment mode 1 |
| 1<f1/f<1.55 | 1.201 |
| 1<f2/f<1.55 | 1.504 |
| 1<(r3+r4)/(r3-r4)<4 | 2.251 |
| 1.75<n2<2.2 | 1.806 |
| 35<v2<45 | 40.948 |
| 0.05<d3/ttl<0.1 | 0.08698722 |
| 0.05<d2/ttl<0.1 | 0.071991358 |
| 0.005<d4/ttl<0.01 | 0.006778987 |
In the present embodiment, the imaging optical lens has an entrance pupil diameter of 1.651mm, a full field image height of 3.24mm, and a diagonal field angle of 88.52 °.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific embodiments for practicing the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (4)
1. An imaging optical lens, in order from an object side to an image side: a first lens element with positive refractive power, an aperture stop, a second lens element with positive refractive power, a third lens element with negative refractive power, a fourth lens element with positive refractive power, and a fifth lens element with negative refractive power;
the focal length of the whole imaging optical lens is f, the focal length of the first lens is f1, the focal length of the second lens is f2, the curvature radius of the object-side surface of the second lens is r3, the curvature radius of the image-side surface of the second lens is r4, the refractive index of the second lens is n2, the abbe number v2 of the second lens, the on-axis thickness of the second lens is d3, the on-axis distance from the image-side surface of the first lens to the object-side surface of the second lens is d2, the on-axis distance from the image-side surface of the second lens to the object-side surface of the third lens is d4, the total optical length of the imaging optical lens is ttl, and the following relational expressions are satisfied:
1<f1/f<1.55；
1<f2/f<1.55；
1<(r3+r4)/(r3-r4)<4；
1.75<n2<2.2；
35<v2<45；
0.05<d3/ttl<0.1；
0.05<d2/ttl<0.1；
0.005<d4/ttl<0.01。
2. the image-taking optical lens according to claim 1, wherein a focal length f3 of the third lens, a focal length f4 of the fourth lens, and a focal length f5 of the fifth lens satisfy the following relational expressions:
1<f1/f<1.5；
1<f2/f<1.5；
-3<f3/f<-1；
0.5<f4/f<2；
-2<f5/f<-0.5。
3. the imaging optical lens according to claim 1, wherein a refractive index n1 of the first lens, a refractive index n3 of the third lens, a refractive index n4 of the fourth lens, and a refractive index n5 of the fifth lens satisfy the following relational expressions:
1.5<n1<1.65；
1.5<n3<1.7；
1.5<n4<1.7；
1.5<n5<1.7。
4. the imaging optical lens according to claim 1, wherein an abbe number v1 of the first lens, an abbe number v3 of the third lens, an abbe number v4 of the fourth lens, and an abbe number v5 of the fifth lens satisfy the following relational expressions:
40<v1<65；
15<v3<30；
15<v4<30；
15<v5<30。
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| CN201810108820.0A CN108363169B (en) | 2018-02-05 | 2018-02-05 | Image pickup optical lens |
| JP2018115078A JP6501201B1 (en) | 2018-02-05 | 2018-06-18 | Imaging optical lens |
| US16/112,909 US10739566B2 (en) | 2018-02-05 | 2018-08-27 | Camera optical lens |
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| TWI652520B (en) | 2018-03-02 | 2019-03-01 | 大立光電股份有限公司 | Electronic device |
| JP6513274B1 (en) * | 2018-09-30 | 2019-05-15 | エーエーシーアコースティックテクノロジーズ（シンセン）カンパニーリミテッドＡＡＣ Ａｃｏｕｓｔｉｃ Ｔｅｃｈｎｏｌｏｇｉｅｓ（Ｓｈｅｎｚｈｅｎ）Ｃｏ．，Ｌｔｄ | Imaging lens |
| CN110161652B (en) * | 2018-12-30 | 2021-07-30 | 瑞声光学解决方案私人有限公司 | Image pickup optical lens |
| CN110568592A (en) * | 2019-09-27 | 2019-12-13 | 浙江舜宇光学有限公司 | optical imaging lens |
| WO2021119891A1 (en) * | 2019-12-16 | 2021-06-24 | 诚瑞光学(常州)股份有限公司 | Optical camera lens |
| WO2021119886A1 (en) * | 2019-12-16 | 2021-06-24 | 诚瑞光学(常州)股份有限公司 | Camera optical lens |
| WO2021134270A1 (en) * | 2019-12-30 | 2021-07-08 | 诚瑞光学(常州)股份有限公司 | Camera optical lens |
| US20220299737A1 (en) * | 2020-03-13 | 2022-09-22 | Jiangxi Jingchao Optical Co., Ltd. | Optical system, lens module, and terminal device |
| CN111474688B (en) * | 2020-06-23 | 2020-10-02 | 瑞声通讯科技(常州)有限公司 | Image pickup optical lens |
| CN111596444B (en) * | 2020-07-21 | 2020-10-16 | 常州市瑞泰光电有限公司 | Image pickup optical lens |
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