CN117471666B - Optical lens and imaging apparatus - Google Patents
Optical lens and imaging apparatus Download PDFInfo
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- CN117471666B CN117471666B CN202311797135.0A CN202311797135A CN117471666B CN 117471666 B CN117471666 B CN 117471666B CN 202311797135 A CN202311797135 A CN 202311797135A CN 117471666 B CN117471666 B CN 117471666B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 136
- 238000003384 imaging method Methods 0.000 title claims abstract description 32
- 230000014509 gene expression Effects 0.000 claims description 23
- 210000001747 pupil Anatomy 0.000 claims description 3
- 230000004075 alteration Effects 0.000 description 19
- 238000010586 diagram Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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Classifications
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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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
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Abstract
The invention discloses an optical lens and imaging equipment, the lens includes from object side to imaging surface along optical axis: the first lens with negative focal power has a convex object side surface and a concave image side surface; a second lens element with positive refractive power having a convex object-side surface and a concave image-side surface; a diaphragm; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a convex surface; a fourth lens element with negative refractive power having a concave object-side surface and a convex image-side surface at a paraxial region; the fifth lens with positive focal power has a convex image side at a paraxial region. The invention reasonably restricts the surface type and focal power of each lens to ensure that the lens meets the balance of large aperture, small total length and short focal length.
Description
Technical Field
The present invention relates to the field of imaging lenses, and in particular, to an optical lens and an imaging device.
Background
The optical lens is also called an imaging lens or a photographic lens, and is called optical imaging for short. Comparing the optical lens delivery volume proportion of the smart phone, the tablet personal computer and the functional mobile phone, wherein the optical lens delivery volume proportion of the smart phone is highest, the main reason is that smart phone manufacturers continuously carry out technical innovation, so that a double-camera product gradually permeates in the smart phone lens industry, a multi-camera product gradually enters the market, and the innovation capability of the optical lens product of the mobile phone is enhanced. Therefore, the optical lens is continuously released from the requirements of the application field of the mobile phone.
According to the characteristic principle of the optical lens, the optical lens can be divided into three types of plastic lenses, glass lenses and glass-plastic mixed lenses, wherein the glass lenses are formed by assembling glass lenses, and the plastic lenses are formed by assembling plastic lenses, so that the two types of optical lenses have great differences in material properties, processing technology, light transmittance and the like, and the final application range is also greatly different. In general, plastic lenses have the characteristics of strong plasticity, easy manufacture into an aspheric shape, convenient miniaturization and the like, and are widely applied to mobile phones, digital cameras and other devices.
How to design a plastic lens with compact structure, large aperture, small total length and short focal length is a current urgent problem to be solved.
Disclosure of Invention
Therefore, an object of the present invention is to provide an optical lens and an imaging apparatus having at least the advantages of a large aperture, a small total length, and a short focal length.
The embodiment of the invention realizes the aim through the following technical scheme.
In a first aspect, the present invention provides an optical lens comprising, in order from an object side to an imaging plane along an optical axis:
a first lens with negative focal power, wherein the object side surface of the first lens is a convex surface, and the image side surface is a concave surface;
a second lens with positive focal power, wherein the object side surface of the second lens is a convex surface, and the image side surface is a concave surface; a diaphragm; a third lens element with positive refractive power, wherein the object-side surface of the third lens element is convex, and the image-side surface of the third lens element is convex; a fourth lens element with negative refractive power, wherein the object-side surface of the fourth lens element is concave, and the image-side surface of the fourth lens element is convex at a paraxial region; a fifth lens having positive optical power, an image side surface of the fifth lens being convex at a paraxial region.
In a second aspect, the present invention provides an imaging apparatus including an imaging element for converting an optical image formed by the optical lens into an electrical signal, and the optical lens provided in the first aspect.
Compared with the prior art, the optical lens and the imaging device provided by the invention adopt five plastic lenses, the optical lens has the characteristics of large aperture, small total length and short focal length through specific surface shape collocation and reasonable focal power distribution, and meanwhile, the chromatic aberration of the system can be effectively corrected through reasonably selecting the materials of the lenses.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural diagram of an optical lens according to a first embodiment of the present invention;
FIG. 2 is a graph showing F-Tan (θ) distortion of an optical lens according to a first embodiment of the present invention;
FIG. 3 is an astigmatic diagram of an optical lens according to a first embodiment of the present invention;
FIG. 4 is a graph showing a vertical axis chromatic aberration curve of an optical lens according to a first embodiment of the present invention;
FIG. 5 is a schematic diagram of an optical lens according to a second embodiment of the present invention;
FIG. 6 is a graph of F-Tan (θ) distortion of an optical lens according to a second embodiment of the present invention;
FIG. 7 is an astigmatic diagram of an optical lens according to a second embodiment of the present invention;
FIG. 8 is a graph showing a vertical axis chromatic aberration curve of an optical lens according to a second embodiment of the present invention;
FIG. 9 is a schematic diagram of an optical lens according to a third embodiment of the present invention;
FIG. 10 is a graph showing F-Tan (θ) distortion of an optical lens according to a third embodiment of the present invention;
FIG. 11 is an astigmatic diagram of an optical lens according to a third embodiment of the present invention;
fig. 12 is a vertical axis chromatic aberration diagram of an optical lens according to a third embodiment of the present invention.
Detailed Description
In order that the objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Several embodiments of the invention are presented in the figures. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Like reference numerals refer to like elements throughout the specification.
The invention provides an optical lens, which sequentially comprises from an object side to an imaging surface along an optical axis: a first lens, a second lens, a diaphragm, a third lens, a fourth lens, a fifth lens and an optical filter.
The lens comprises a first lens with negative focal power, wherein the object side surface of the first lens is a convex surface, and the image side surface of the first lens is a concave surface;
a second lens with positive focal power, wherein the object side surface of the second lens is a convex surface, and the image side surface is a concave surface;
a third lens element with positive refractive power, wherein the object-side surface of the third lens element is convex, and the image-side surface of the third lens element is convex;
a fourth lens element with negative refractive power, wherein the object-side surface of the fourth lens element is concave, and the image-side surface of the fourth lens element is convex at a paraxial region;
a fifth lens having positive optical power, an image-side surface of the fifth lens being convex at a paraxial region;
among the above-mentioned lenses, the first lens, the second lens, the third lens, the fourth lens and the fifth lens are all plastic aspherical lenses, which can effectively reduce cost and correct aberration, so that the optical lens has compact structure, large aperture and high pixel.
The invention adopts five plastic lenses, and the optical lens has the characteristics of large aperture, small total length and short focal length by specific surface shape collocation and reasonable focal power distribution, and meanwhile, the chromatic aberration of the system can be effectively corrected by reasonably selecting the materials of the lenses.
In some embodiments, the optical lens satisfies the following conditional expression:
；（1）
where f represents the effective focal length of the optical lens and EPD represents the entrance pupil diameter of the optical lens. When the condition (1) is satisfied, the ratio of the effective focal length to the entrance pupil diameter of the optical lens is reasonably controlled, so that the optical lens has the characteristic of a large aperture, and particularly when the optical lens images in a dark environment, the noise influence caused by too weak light can be reduced, thereby improving the imaging quality, and enabling the optical lens to satisfy the imaging requirements under different luminous fluxes.
In some embodiments, the optical lens satisfies the following conditional expression:
；（2）
where f represents the effective focal length of the optical lens, and TTL represents the total optical length of the optical lens. The ratio of the effective focal length to the total length is reasonably set, and the focal length is effectively controlled while the total length of the whole lens is controlled, so that the lens can simultaneously meet the balance of the small total length and the short focal length and simultaneously give consideration to aberration.
In some embodiments, the optical lens satisfies the following conditional expression:
；（3）
wherein TTL represents the total optical length of the optical lens. The overall length of the whole body is made, so that the device has the characteristic of miniaturization.
In some embodiments, the optical lens satisfies the following conditional expression:
；（4）
where R11 represents a radius of curvature of the object side surface of the first lens, and R12 represents a radius of curvature of the image side surface of the first lens. The range is satisfied, the surface shape of the first lens is reasonably limited to correct off-axis aberration, and the light rays can have proper incidence and emergent angles in the first lens, so that the field angle and the area of an imaging surface are increased, and high-quality imaging is ensured.
In some embodiments, the optical lens satisfies the following conditional expression:
；（5）
wherein f1 represents the focal length of the first lens, f2 represents the focal length of the second lens, and f represents the effective focal length of the optical lens. And (5) meeting the condition, and by reasonably setting the focal length values of the first lens and the second lens, the distortion of the system can be better corrected, the distortion value of the marginal view field is reduced, and the imaging quality in the whole view field is improved.
In some embodiments, the optical lens satisfies the following conditional expression:
； （6）
； （7）
wherein CT3 represents the center thickness of the third lens on the optical axis, DM3 represents the effective aperture of the third lens, and DM4 represents the effective aperture of the fourth lens. The above conditional expressions (6) and (7) are satisfied, the ratio of the effective caliber of the third lens to the effective caliber of the fourth lens is reasonably controlled, and the bending shape of the third lens is controlled by controlling the ratio of the central thickness of the third lens to the effective caliber of the third lens, so that the turning trend of light can be effectively slowed down, the aberration and distortion of the off-axis visual field can be effectively corrected, and the high-quality imaging of the lens can be ensured.
In some embodiments, the optical lens satisfies the following conditional expression:
；（8）
；（9）
wherein, CT3 represents the center thickness of the third lens on the optical axis, CT4 represents the center thickness of the fourth lens on the optical axis, and TTL represents the total optical length of the optical lens. Satisfy conditional expression (8) and (9), through rationally setting up the center thickness of third lens and fourth lens, with avoid the fourth lens too thin and cause the plastic resin material to fill unevenly when shaping easily, perhaps the third lens thickness is too thick to lead to the lens to cooperate interference and lens cone interference in the equipment process, influence imaging, and through rationally setting up the center thickness sum of third lens, fourth lens and the ratio of total length, help controlling the optics total length, have miniaturized characteristics.
In some embodiments, the optical lens satisfies the following conditional expression:
；（10）
wherein R21 represents a radius of curvature of the object-side surface of the second lens, R22 represents a radius of curvature of the image-side surface of the second lens, and f2 represents an effective focal length of the second lens. When the condition (10) is satisfied, the surface shape of the second lens can be reasonably controlled, the sensitivity of the system is reduced, the manufacturing yield is improved by reducing the molding difficulty, and meanwhile, stray light generated by the lens can be reduced, and the imaging quality of the lens is improved.
In some embodiments, the optical lens satisfies the following conditional expression:
；（11）
wherein SAG51 represents the sagittal height at the object-side effective aperture of the fifth lens element, and SAG52 represents the sagittal height at the image-side effective aperture of the fifth lens element. When the conditional expression (11) is satisfied, the degree of bending of the fifth lens can be reasonably controlled, and the molding difficulty of the fifth lens can be reduced, thereby reducing the processing sensitivity and improving the yield.
In some embodiments, the optical lens satisfies the following conditional expression:
；（12）
wherein SAG41 represents the sagittal height of the effective aperture of the object side surface of the fourth lens, and CT4 represents the center thickness of the fourth lens on the optical axis. When the above conditional expression (12) is satisfied, the ratio of the sagittal height to the thickness of the fourth lens can be properly adjusted, which is beneficial to lens manufacturing and molding, improves the manufacturing yield, and shortens the total length of the optical lens.
As one implementation mode, five plastic aspherical lens structures are adopted, and the surface and focal power of each lens are reasonably restrained, so that the structure is compact, and the characteristics of large aperture, small total length and short focal length are realized. By adopting the aspheric lens, the cost can be effectively reduced, the aberration can be corrected, and an optical performance product with higher cost performance can be provided.
The invention is further illustrated in the following examples. In various embodiments, the thickness, radius of curvature, and material selection portion of each lens in the optical lens may vary, and for specific differences, reference may be made to the parameter tables of the various embodiments. The following examples are merely preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the following examples, and any other changes, substitutions, combinations or simplifications that do not depart from the gist of the present invention are intended to be equivalent substitutes within the scope of the present invention.
In various embodiments of the present invention, when the lens in the optical lens is an aspherical lens, the aspherical surface profile of the lens satisfies the following equation:
；
where z is the distance sagittal height from the aspherical surface vertex when the aspherical surface is at a position of height h in the optical axis direction, c is the paraxial curvature of the surface, k is the quadric coefficient, A 2i The aspherical surface profile coefficient of the 2 i-th order.
First embodiment
Referring to fig. 1, a schematic structural diagram of an optical lens 100 according to a first embodiment of the present invention is shown, where the optical lens 100 includes, in order from an object side to an imaging plane along an optical axis: a first lens L1, a second lens L2, a stop ST, a third lens L3, a fourth lens L4, a fifth lens L5, and a filter G1.
The first lens element L1 has negative focal power, wherein an object-side surface S1 of the first lens element is convex, and an image-side surface S2 of the first lens element is concave;
the second lens element L2 has positive refractive power, wherein an object-side surface S3 of the second lens element is convex, and an image-side surface S4 of the second lens element is concave;
the third lens element L3 has positive refractive power, wherein an object-side surface S5 of the third lens element is convex, and an image-side surface S6 of the third lens element is convex;
the fourth lens element L4 has negative refractive power, wherein an object-side surface S7 thereof is concave, and an image-side surface S8 thereof is convex at a paraxial region thereof;
the fifth lens element L5 has positive refractive power, wherein an object-side surface S9 of the fifth lens element is convex, and an image-side surface S10 of the fifth lens element is convex at a paraxial region;
the first lens L1, the second lens L2, the third lens L3, the fourth lens L4 and the fifth lens L5 are all plastic aspheric lenses.
Specifically, the design parameters of each lens of the optical lens 100 provided in this embodiment are shown in table 1.
TABLE 1
In this embodiment, the aspherical parameters of each lens in the optical lens 100 are shown in table 2.
TABLE 2
Referring to fig. 2, 3 and 4, an F-Tan (θ) distortion curve, an astigmatic curve and a vertical axis chromatic aberration curve of the optical lens 100 are shown. Wherein F-Tan (theta) distortion of the lens is less than 3%, offset of field curvature is controlled within +/-0.15 mm, offset of vertical axis chromatic aberration is controlled within +/-3 mu m, and distortion, field curvature and on-axis spherical aberration of the optical lens 100 are well corrected.
Second embodiment
Referring to fig. 5, a schematic structural diagram of an optical lens 200 according to a second embodiment of the present invention is shown, and the optical lens 200 according to the present embodiment is substantially the same as the first embodiment described above, and the difference is mainly that the radius of curvature, the aspheric coefficients and the thickness of each lens surface are different.
Specifically, the design parameters of the optical lens 200 provided in this embodiment are shown in table 3.
TABLE 3 Table 3
In this embodiment, the aspherical parameters of each lens in the optical lens 200 are shown in table 4.
TABLE 4 Table 4
Referring to fig. 6, 7 and 8, an F-Tan (θ) distortion curve, an astigmatic curve and a vertical axis chromatic aberration curve of the optical lens 200 are shown. Wherein, F-Tan (theta) distortion of the lens is less than 8%, the offset of the field curvature is controlled within +/-0.12 mm, and the offset of the vertical axis chromatic aberration is controlled within +/-3.5 mu m, which indicates that the distortion, the field curvature and the vertical axis chromatic aberration of the optical lens 200 are well corrected.
Third embodiment
Referring to fig. 9, a schematic structural diagram of an optical lens 300 according to a third embodiment of the present invention is shown, and the optical lens 300 of the present embodiment is substantially the same as the first embodiment described above, and the difference is mainly that the radius of curvature, the aspheric coefficients and the thickness of each lens surface are different.
Specifically, the design parameters of the optical lens 300 provided in this embodiment are shown in table 5.
TABLE 5
In this embodiment, the aspherical parameters of each lens in the optical lens 300 are shown in table 6.
TABLE 6
Referring to fig. 10, 11 and 12, an F-Tan (θ) distortion curve, an astigmatic curve and a vertical axis chromatic aberration curve of the optical lens 300 are shown. Wherein, F-Tan (theta) distortion of the lens is less than 8%, the offset of the field curvature is controlled within +/-0.3 mm, and the offset of the vertical axis chromatic aberration is controlled within +/-5 mu m, which indicates that the distortion, the field curvature and the vertical axis chromatic aberration of the optical lens 300 are well corrected.
TABLE 7
Referring to table 7, the optical characteristics of the optical lens provided in the above three embodiments, including the angle of view 2θ, the total optical length TTL, the actual half image height IH, the effective focal length f, and the correlation values corresponding to each of the above conditions, are shown.
The invention also provides imaging equipment, which comprises the optical lens and the imaging element, wherein the imaging element is used for converting an optical image formed by the optical lens into an electric signal. Compared with the prior art, the imaging device of the invention has at least the following advantages:
five plastic aspherical lenses are adopted, and the diaphragm and the shape of each lens are reasonably arranged, so that the imaging equipment has high imaging quality of pixels.
The imaging device adopts the optical lens, and the optical lens adopts five plastic aspherical lenses, meets the requirement of a large aperture of the lens through specific surface shape collocation and reasonable focal power distribution, and has the advantages of small total length, short focal length and the like.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (9)
1. An optical lens comprising five lenses, in order from an object side to an imaging surface along an optical axis:
a first lens with negative focal power, wherein the object side surface of the first lens is a convex surface, and the image side surface is a concave surface;
a second lens with positive focal power, wherein the object side surface of the second lens is a convex surface, and the image side surface is a concave surface;
a diaphragm;
a third lens element with positive refractive power, wherein the object-side surface of the third lens element is convex, and the image-side surface of the third lens element is convex;
a fourth lens element with negative refractive power, wherein the object-side surface of the fourth lens element is concave, and the image-side surface of the fourth lens element is convex at a paraxial region;
a fifth lens having positive optical power, an image-side surface of the fifth lens being convex at a paraxial region;
the optical lens satisfies the following conditional expression:
1.4＜f/EPD＜1.5；
wherein f represents an effective focal length of the optical lens, and EPD represents an entrance pupil diameter of the optical lens;
the optical lens satisfies the following conditional expression:
0.15＜f/TTL＜0.25；
where f represents the effective focal length of the optical lens, and TTL represents the total optical length of the optical lens.
2. The optical lens according to claim 1, wherein the optical lens satisfies the following conditional expression:
3.5＜TTL＜4.5；
wherein TTL represents the total optical length of the optical lens.
3. The optical lens according to claim 1, wherein the optical lens satisfies the following conditional expression:
0.8＜(R11-R12)/(R11+R12)＜0.9；
where R11 represents a radius of curvature of the object side surface of the first lens, and R12 represents a radius of curvature of the image side surface of the first lens.
4. The optical lens according to claim 1, wherein the optical lens satisfies the following conditional expression:
0.5＜(f1+f2)/f＜1.5；
wherein f1 represents the focal length of the first lens, f2 represents the focal length of the second lens, and f represents the effective focal length of the optical lens.
5. The optical lens according to claim 1, wherein the optical lens satisfies the following conditional expression:
0.4＜CT3/DM3＜0.5；
0.8＜DM3/DM4＜0.9；
wherein CT3 represents the center thickness of the third lens on the optical axis, DM3 represents the effective aperture of the third lens, and DM4 represents the effective aperture of the fourth lens.
6. The optical lens according to claim 1, wherein the optical lens satisfies the following conditional expression:
0.1＜(CT3+CT4)/TTL＜0.2；
2＜CT3/CT4＜2.5；
wherein, CT3 represents the center thickness of the third lens on the optical axis, CT4 represents the center thickness of the fourth lens on the optical axis, and TTL represents the total optical length of the optical lens.
7. The optical lens according to claim 1, wherein the optical lens satisfies the following conditional expression:
3.5＜(R21+R22)/f2＜5.5；
wherein R21 represents a radius of curvature of the object-side surface of the second lens, R22 represents a radius of curvature of the image-side surface of the second lens, and f2 represents an effective focal length of the second lens.
8. The optical lens according to claim 1, wherein the optical lens satisfies the following conditional expression:
-1.5＜SAG41/CT4＜-0.5；
wherein SAG41 represents the sagittal height of the effective aperture of the object side surface of the fourth lens, and CT4 represents the center thickness of the fourth lens on the optical axis.
9. An imaging device comprising an optical lens as claimed in any one of claims 1 to 8 and an imaging element for converting an optical image formed by the optical lens into an electrical signal.
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| WO2021097929A1 (en) * | 2019-11-22 | 2021-05-27 | 诚瑞光学(常州)股份有限公司 | Camera optical lens |
| CN113156624A (en) * | 2021-05-10 | 2021-07-23 | 天津欧菲光电有限公司 | Optical lens, camera module, electronic equipment and automobile |
| CN114236790A (en) * | 2022-02-28 | 2022-03-25 | 江西联益光学有限公司 | Optical lens and imaging apparatus |
| CN114415350A (en) * | 2022-03-30 | 2022-04-29 | 江西联创电子有限公司 | Optical lens |
| CN115079386A (en) * | 2022-08-22 | 2022-09-20 | 江西联益光学有限公司 | Optical lens and imaging apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111679406A (en) * | 2020-07-17 | 2020-09-18 | 浙江舜宇光学有限公司 | Optical imaging lens |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021097929A1 (en) * | 2019-11-22 | 2021-05-27 | 诚瑞光学(常州)股份有限公司 | Camera optical lens |
| CN113156624A (en) * | 2021-05-10 | 2021-07-23 | 天津欧菲光电有限公司 | Optical lens, camera module, electronic equipment and automobile |
| CN114236790A (en) * | 2022-02-28 | 2022-03-25 | 江西联益光学有限公司 | Optical lens and imaging apparatus |
| CN114415350A (en) * | 2022-03-30 | 2022-04-29 | 江西联创电子有限公司 | Optical lens |
| CN115079386A (en) * | 2022-08-22 | 2022-09-20 | 江西联益光学有限公司 | Optical lens and imaging apparatus |
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