WO2022089344A1 - Lentille optique et dispositif d'imagerie - Google Patents

Lentille optique et dispositif d'imagerie Download PDF

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Publication number
WO2022089344A1
WO2022089344A1 PCT/CN2021/125993 CN2021125993W WO2022089344A1 WO 2022089344 A1 WO2022089344 A1 WO 2022089344A1 CN 2021125993 W CN2021125993 W CN 2021125993W WO 2022089344 A1 WO2022089344 A1 WO 2022089344A1
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Prior art keywords
lens
optical
optical lens
object side
image side
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PCT/CN2021/125993
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English (en)
Chinese (zh)
Inventor
于笑枝
曾昊杰
刘绪明
曾吉勇
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江西联益光学有限公司
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Publication of WO2022089344A1 publication Critical patent/WO2022089344A1/fr

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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
    • 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
    • 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

Definitions

  • the invention relates to the technical field of lens imaging, in particular to an optical lens and an imaging device.
  • the purpose of the present invention is to provide an optical lens and an imaging device to improve the above problems.
  • an embodiment of the present invention provides an optical lens, which is composed of seven lenses, and includes a first lens, a second lens, a third lens, a diaphragm, and a fourth lens in sequence from the object side to the imaging surface along the optical axis: a first lens, a second lens, a third lens, a diaphragm, and a fourth lens. , the fifth lens, the sixth lens and the seventh lens.
  • the first lens has negative refractive power, its object side is convex, and its image side is concave; the second lens has refractive power, and its object side is concave; the third lens has positive power, and its image side is convex; The lens has positive refractive power, and its object side and image side are convex; the fifth lens has positive power, and its object side is concave and its image side is convex; the sixth lens has negative power, and its object side and image side are convex.
  • the seventh lens has a positive refractive power, its object side is convex at the near optical axis, its image side is concave at the near optical axis, and the seventh lens has at least one inflection on the object side and the image side point.
  • the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens are all plastic aspherical lenses; the optical lens satisfies the following conditional formula: 6 ⁇ TTL/EPD ⁇ 7 ;
  • TTL represents the total optical length of the optical lens
  • EPD represents the entrance pupil diameter of the optical lens.
  • an embodiment of the present invention further provides an imaging device, including an imaging element and the optical lens provided in the first aspect, where the imaging element is used to convert an optical image formed by the optical lens into an electrical signal.
  • the optical lens and imaging device provided by the embodiments of the present application can meet the requirements of large and wide-angle while reasonably matching the lens shape and the reasonable combination of refractive power among the seven lenses with specific refractive power.
  • the structure is more compact, thereby better realizing the miniaturization of the optical lens and the balance of high pixels, which can effectively improve the camera experience of the user.
  • FIG. 1 is a schematic structural diagram of an optical lens provided by a first embodiment of the application
  • FIG. 2 is a field curvature diagram of the optical lens provided by the first embodiment of the present application.
  • FIG. 3 is a distortion curve diagram of the optical lens provided by the first embodiment of the present application.
  • FIG. 5 is an axial chromatic aberration curve diagram of the optical lens provided by the first embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of an optical lens provided by a second embodiment of the present application.
  • FIG. 8 is a distortion curve diagram of an optical lens provided by the second embodiment of the present application.
  • FIG. 9 is a vertical-axis chromatic aberration curve diagram of an optical lens provided by the second embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of an optical lens provided by a third embodiment of the application.
  • FIG. 13 is a distortion curve diagram of an optical lens provided by the third embodiment of the application.
  • FIG. 16 is a schematic structural diagram of an imaging device provided by a fourth embodiment of the present application.
  • An embodiment of the present application provides an optical lens.
  • the optical lens includes in sequence from the object side to the image side along the optical axis: a first lens, a second lens, a third lens, a diaphragm, a fourth lens, a fifth lens, a sixth lens
  • the image side here refers to the side where the imaging plane is located
  • the object side refers to the side opposite to the image side.
  • the first lens has negative refractive power, the object side of the first lens is convex, and the image side of the first lens is concave.
  • the second lens has optical power, the object side of the second lens is concave, and the image side of the second lens is concave or convex.
  • the third lens has positive refractive power, the object side of the third lens is concave or convex, and the image side of the third lens is convex.
  • the fourth lens has positive refractive power, and both the object side of the fourth lens and the image side of the fourth lens are convex.
  • the fifth lens has positive refractive power, the object side of the fifth lens is concave, and the image side of the fifth lens is convex.
  • the sixth lens has negative refractive power, and both the object side of the sixth lens and the image side of the sixth lens are concave.
  • the seventh lens has positive refractive power
  • the object side of the seventh lens is convex at the near optical axis and has at least one inflection point
  • the image side of the seventh lens is concave at the near optical axis and has at least one inflection point ( inflection point).
  • the optical lens satisfies the following conditional formula:
  • TTL represents the optical total length of the optical lens
  • EPD represents the entrance pupil diameter of the optical lens
  • the light transmission amount and the total optical length of the optical lens can be reasonably controlled, which is beneficial to increase the light transmission amount on the optical lens, while shortening the optical total length of the optical lens and realizing the miniaturization of the lens.
  • the optical lens may also satisfy the following conditional formula:
  • f represents the focal length of the optical lens
  • DM1 represents the effective semi-diameter of the first lens
  • the effective aperture of the first lens can be reasonably controlled, the head size of the optical lens can be reduced, the screen opening area of the portable electronic device can be reduced, the head can be miniaturized, and the portable electronic product can be improved. screen ratio.
  • the optical lens may also satisfy the following conditional formula:
  • f represents the focal length of the optical lens
  • R1 represents the curvature radius of the object side surface of the first lens
  • the imaging space depth and effective focal length of the optical lens can be reasonably controlled, which is beneficial to realize the ultra-wide-angle characteristic of the optical lens.
  • the optical lens may also satisfy the following conditional formula:
  • R2 represents the curvature radius of the image side surface of the first lens
  • ⁇ 2 represents the maximum inclination angle of the image side surface of the first lens
  • the curvature of the image side surface of the first lens can be reasonably controlled, and the optical power of the first lens can be enhanced, so that the lens can also correct aberrations well under a large aperture, and at the same time, it is beneficial to reduce the subsequent The diameter of the lens and the overall length of the lens.
  • the optical lens may also satisfy the following conditional formula:
  • f1 represents the focal length of the first lens
  • f2 represents the focal length of the second lens
  • R2 represents the radius of curvature of the image side of the first lens
  • R3 represents the radius of curvature of the object side of the second lens.
  • the focal lengths of the first lens and the second lens can be reasonably balanced, so that the focal lengths of the first lens and the second lens can be matched with positive and negative, which is conducive to the correction of chromatic aberration, and can reasonably control the light entering
  • the incident angle of the object side of the second lens reduces the sensitivity of the optical lens.
  • the optical lens may also satisfy the following conditional formula:
  • R3 represents the radius of curvature of the object side of the second lens
  • R4 represents the radius of curvature of the image side of the second lens
  • R4 represents the radius of curvature of the object side of the third lens
  • R5 represents the radius of curvature of the image side of the third lens.
  • the surface shapes of the second lens and the third lens can be reasonably controlled, the condensing intensity of the off-axis field of view can be eased, and the aberration of the edge field of view and the center field of view can be reduced. Good for correcting spherical aberration and distortion.
  • the optical lens 100 may also satisfy the following conditional formula:
  • CT2 represents the center thickness of the second lens
  • CT3 represents the center thickness of the third lens
  • TTL represents the total optical length of the optical lens
  • the central thickness of the second lens and the third lens can be reasonably controlled, and the design of the lens miniaturization and thinning lens can be satisfied, which is conducive to the correction of aberration and f- ⁇ distortion. It can maintain the amount of light, which is conducive to the improvement of relative illuminance.
  • the optical lens may also satisfy the following conditional formula:
  • f 456 represents the combined focal length of the fourth lens, the fifth lens and the sixth lens
  • f4 represents the focal length of the fourth lens
  • f5 represents the focal length of the fifth lens
  • f6 represents the focal length of the sixth lens.
  • the balanced distribution of the power of the fourth lens, the fifth lens and the sixth lens can be achieved, and the fourth lens to the sixth lens have a positive combination
  • the optical power is beneficial to correct the aberration of the optical lens and improve the resolution of the optical lens.
  • the optical lens may also satisfy the following conditional formula:
  • CT4 represents the center thickness of the fourth lens
  • CT5 represents the center thickness of the fifth lens
  • CT6 represents the center thickness of the sixth lens
  • TTL represents the total optical length of the optical lens
  • the center thickness of the fourth lens to the sixth lens after the diaphragm can be reasonably allocated, the total length of the lens can be reduced, and at the same time, the collocation of each lens can be reasonably controlled to reduce the sensitivity of the optical lens.
  • the optical lens may also satisfy the following conditional formula:
  • R13 represents the curvature radius of the object side of the seventh lens
  • R14 represents the curvature radius of the image side of the seventh lens
  • ⁇ 14 represents the maximum inclination angle of the image side of the seventh lens.
  • the conditional expressions (15) and (16) are satisfied, by reasonably controlling the curvature radius of the object side and the image side of the seventh lens, the distribution of the incident angle of light can be effectively controlled, the matching degree of the optical lens and the imaging chip can be improved, and the optical lens can be improved. At the same time, the curvature of the image side surface of the seventh lens can be reasonably controlled to reduce the generation of ghost images of the optical lens.
  • the optical lens may also satisfy the following conditional formula:
  • CRA represents the chief ray incident angle of the optical lens
  • BFL represents the distance between the image side of the seventh lens and the imaging surface on the optical axis, also called the optical back focus
  • TTL represents the total optical length of the optical lens.
  • the incident angle of the chief ray and the optical back focus of the optical lens can be reasonably controlled, the imaging quality of the lens can be improved, and at the same time, the overall length can be shortened and the miniaturization of the optical lens can be realized.
  • the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, and the seventh lens may be aspherical lenses.
  • the above lenses are all made of plastic aspherical lenses. .
  • the use of aspherical lenses can effectively reduce the number of lenses, correct aberrations, and provide better optical performance.
  • each aspherical surface type of the optical lens may satisfy the following equation:
  • z is the distance vector height from the vertex of the aspheric surface when the aspheric surface is at the position of height h along the optical axis
  • c is the paraxial curvature radius of the surface
  • k is the quadratic surface coefficient conic
  • a 2i is the 2i order Aspheric surface shape coefficient.
  • the optical lens provided by the embodiment of the present invention adopts seven lenses with a specific refractive power to reasonably match the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens
  • the combination of the best lens shape and focal power can make the structure of the optical lens more compact under the premise that the lens has a large wide angle, better realize the balance of the miniaturization of the lens and the high pixel, and can effectively improve the user's camera experience.
  • the present invention will be further described below with a plurality of embodiments.
  • the thickness, radius of curvature, and material selection of each lens in the optical lens are different.
  • FIG. 1 is a schematic structural diagram of an optical lens 100 according to a first embodiment of the present invention.
  • the optical lens 100 includes in sequence from the object side to the imaging surface S15 along the optical axis: a first lens L1 , a second lens L2 , a first lens Three lenses L3, diaphragm ST, fourth lens L4, fifth lens L5, sixth lens L6, and seventh lens L7.
  • the first lens L1 has negative refractive power, the object side S1 of the first lens L1 is convex, and the image side S2 of the first lens L1 is concave.
  • the second lens L2 has positive refractive power, the object side S3 of the second lens L2 is concave, and the image side S4 of the second lens L2 is convex.
  • the third lens L3 has positive refractive power, the object side S5 of the third lens L3 is concave, and the image side S6 of the third lens L3 is convex.
  • the fourth lens L4 has positive refractive power, and both the object side S7 of the fourth lens L4 and the image side S8 of the fourth lens L4 are convex surfaces.
  • the fifth lens L5 has positive refractive power, the object side S9 of the fifth lens L5 is concave, and the image side S10 of the fifth lens L5 is convex.
  • the sixth lens L6 has negative refractive power, and both the object side S11 of the sixth lens L6 and the image side S12 of the sixth lens L6 are concave.
  • the seventh lens L7 has positive refractive power, the object side S13 of the seventh lens L7 is convex at the near optical axis, and the image side S14 of the seventh lens L7 is concave at the near optical axis; in this embodiment, the seventh lens
  • the vertical distance between the inflection point of the object side S13 of L7 and the optical axis is 1.13 mm, and the vertical distance of the inflection point of the image side S14 of the seventh lens L7 and the optical axis is 1.19 mm.
  • the first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5, the sixth lens L6 and the seventh lens L7 are all plastic aspherical lenses.
  • Table 2 the surface coefficients of each aspherical surface of the optical lens 100 provided by the first embodiment of the present invention are shown in Table 2:
  • FIG. 2 , FIG. 3 , FIG. 4 and FIG. 5 are respectively a field curvature graph, a distortion graph, a vertical chromatic aberration graph, and an axial chromatic aberration graph of the optical lens 100 .
  • the field curvature curve of FIG. 2 represents the degree of curvature of the meridional image plane and the sagittal image plane.
  • the horizontal axis represents the offset (unit: mm)
  • the vertical axis represents the field angle (unit: degree). It can be seen from FIG. 2 that the curvature of field of the meridional image plane and the sagittal image plane is controlled within ⁇ 0.5mm, indicating that the field curvature of the optical lens 100 is well corrected.
  • the distortion curve of FIG. 3 represents the distortion at different image heights on the imaging plane S17.
  • the horizontal axis represents the f- ⁇ distortion percentage
  • the vertical axis represents the field angle (unit: degree). It can be seen from FIG. 3 that the f- ⁇ distortion at different image heights on the imaging surface S17 is controlled within ⁇ 5%, which indicates that the distortion of the optical lens 100 has been well corrected.
  • the vertical-axis chromatic aberration curve in FIG. 4 represents the chromatic aberration of the longest wavelength and the shortest wavelength at different image heights on the imaging plane S17.
  • the horizontal axis in FIG. 4 represents the vertical axis chromatic aberration value (unit: um) of each wavelength relative to the central wavelength, and the vertical axis represents the normalized viewing angle. It can be seen from FIG. 4 that the vertical chromatic aberration between the longest wavelength and the shortest wavelength is controlled within ⁇ 2um, which indicates that the vertical chromatic aberration of the optical lens 100 is well corrected.
  • the axial chromatic aberration curve of FIG. 5 represents the aberration on the optical axis at the imaging plane S17.
  • the vertical axis in FIG. 5 represents the spherical value (unit: mm), and the horizontal axis represents the normalized pupil radius (unit: mm). It can be seen from FIG. 5 that the offset of the axial chromatic aberration is controlled within ⁇ 0.02mm, indicating that the optical lens 100 can effectively correct the aberration of the fringe field of view and the secondary spectrum of the entire image plane.
  • FIG. 6 is a schematic structural diagram of an optical lens 200 provided by a second embodiment of the present invention.
  • the optical lens 200 in this embodiment has substantially the same structure as the optical lens 100 provided by the first embodiment, and the main differences are
  • the second lens L2 in the optical lens 200 has negative refractive power, the image side S4 of the second lens L2 is concave, the object side S5 of the third lens L3 is convex, and the curvature radius and material selection of each lens are different.
  • the vertical distance between the inflection point of the object side S13 of the seventh lens L7 and the optical axis is 1.08 mm
  • the vertical distance between the inflection point of the image side S14 of the seventh lens L7 and the optical axis is 1.16mm.
  • Table 4 the surface shape coefficients of each aspherical surface of the optical lens 200 provided by the second embodiment of the present invention are shown in Table 4:
  • FIG. 7 , FIG. 8 , FIG. 9 and FIG. 10 are respectively a field curvature graph, a distortion graph, a vertical chromatic aberration graph, and an axial chromatic aberration graph of the optical lens 200 .
  • FIG. 7 shows the degree of curvature of the meridional image plane and the sagittal image plane. It can be seen from FIG. 7 that the curvature of field of the meridional image plane and the sagittal image plane is controlled within ⁇ 0.1 mm, indicating that the field curvature of the optical lens 200 is well corrected.
  • FIG. 8 shows the distortion at different image heights on the imaging plane S17.
  • the f- ⁇ distortion at different image heights on the imaging surface S17 is controlled within ⁇ 5%, indicating that the distortion of the optical lens 200 is well corrected.
  • FIG. 9 shows the chromatic aberration of the longest wavelength and the shortest wavelength at different image heights on the imaging plane S17. It can be seen from FIG. 9 that the vertical chromatic aberration between the longest wavelength and the shortest wavelength is controlled within ⁇ 2um, which indicates that the vertical chromatic aberration of the optical lens 200 is well corrected.
  • FIG. 10 shows aberrations on the optical axis at the imaging plane S17. It can be seen from FIG. 10 that the offset of the axial chromatic aberration is controlled within ⁇ 0.03mm, indicating that the optical lens 200 can effectively correct the aberration of the fringe field of view and the secondary spectrum of the entire image plane.
  • FIG. 11 is a schematic structural diagram of an optical lens 300 provided by a third embodiment of the present invention.
  • the optical lens 300 in this embodiment has substantially the same structure as the optical lens 100 provided by the first embodiment, and the main differences are
  • the second lens L2 in the optical lens 300 has negative refractive power, the image side S4 of the second lens L2 is concave, the object side S5 of the third lens L3 is convex, and the curvature radius and material selection of each lens are different.
  • the vertical distance between the inflection point of the object side S13 of the seventh lens L7 and the optical axis is 1.15 mm
  • the vertical distance between the inflection point of the image side S14 of the seventh lens L7 and the optical axis is 1.21mm.
  • Table 6 the surface shape coefficients of each aspherical surface of the optical lens 300 in the third embodiment of the present invention are shown in Table 6:
  • FIG. 12 , FIG. 13 , FIG. 14 and FIG. 15 are the field curvature graph, the distortion graph, the vertical chromatic aberration graph and the axial chromatic aberration graph of the optical lens 300 , respectively.
  • FIG. 12 shows the degree of curvature of the meridional image plane and the sagittal image plane. It can be seen from FIG. 12 that the field curvature of the meridional image plane and the sagittal image plane is controlled within ⁇ 0.1 mm, indicating that the field curvature of the optical lens 300 is well corrected.
  • FIG. 13 shows the distortion at different image heights on the imaging plane S17.
  • the f- ⁇ distortion at different image heights on the imaging surface S17 is controlled within ⁇ 5%, indicating that the distortion of the optical lens 300 has been well corrected.
  • FIG. 14 shows the chromatic aberration at different image heights on the imaging plane between the longest wavelength and the shortest wavelength. It can be seen from FIG. 14 that the vertical axis chromatic aberration of the longest wavelength and the shortest wavelength is controlled within ⁇ 2.0um, indicating that the vertical axis chromatic aberration of the optical lens 300 is well corrected.
  • FIG. 15 shows aberrations on the optical axis at the imaging plane S17. It can be seen from FIG. 15 that the offset of the axial chromatic aberration at the imaging plane S17 is controlled within ⁇ 0.01 mm, indicating that the optical lens 300 can effectively correct the aberration of the fringe field of view and the secondary spectrum of the entire image plane.
  • the optical characteristics mainly include the focal length f of the optical lens, the aperture number F#, the entrance pupil diameter EPD, the optical total length TTL and the field of view angle FOV, as well as the relevant values corresponding to each of the aforementioned conditional expressions.
  • the optical lens 100 provided by the embodiment of the present invention has the following advantages:
  • the optical lens 100 Due to the reasonable setting of the diaphragm and the shape of each lens, on the one hand, the optical lens 100 has a smaller entrance pupil diameter (EPD ⁇ 0.84mm), so that the outer diameter of the head of the lens can be made smaller to meet the requirements of high screen
  • the overall length of the optical lens 100 is shorter (TTL ⁇ 5.7mm) and the volume is reduced, which can better meet the development trend of portable smart electronic products, such as mobile phones.
  • the field of view of the optical lens 100 can reach 150°, which can effectively correct optical distortion, control the f- ⁇ distortion to be less than ⁇ 5%, and can meet the needs of large field of view and high-definition imaging.
  • Embodiments of the present application further provide an imaging device 400.
  • the imaging device 400 includes an imaging element 410 and an optical lens (eg, the optical lens 100) in any of the foregoing embodiments.
  • the imaging element 410 may be a CMOS (Complementary Metal Oxide Semiconductor, complementary metal oxide semiconductor) image sensor, or may be a CCD (Charge Coupled Device, charge coupled device) image sensor.
  • CMOS Complementary Metal Oxide Semiconductor, complementary metal oxide semiconductor
  • CCD Charge Coupled Device, charge coupled device
  • the imaging device 400 may be a camera, a mobile terminal, or any other electronic device loaded with the optical lens 100 , and the mobile terminal may be a terminal device such as a smart phone, a smart tablet, and a smart reader.
  • the imaging device 400 provided by the embodiment of the present application includes the optical lens 100. Since the optical lens 100 has the advantages of a small outer diameter of the head, a wide viewing angle, and high imaging quality, the imaging device 400 with the optical lens 100 also has a small size and a wide viewing angle. , the advantages of high imaging quality.

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Abstract

L'invention concerne une lentille optique (100) et un dispositif d'imagerie (400). La lentille optique (100) comprend séquentiellement, le long de l'axe optique, du côté objet au côté image (S15), une première lentille (L1), une deuxième lentille (L2), une troisième lentille (L3), une quatrième lentille (L4), une cinquième lentille (L5), une sixième lentille (L6) et une septième lentille (L7). La première lentille (L1) a une puissance focale négative, une surface côté objet (S1) est convexe, et une surface côté image (S2) est concave ; la deuxième lentille (L2) a une puissance focale, et une surface côté objet (S3) est concave ; la troisième lentille (L3) a une puissance focale positive, et une surface côté image (S6) est convexe ; la quatrième lentille (L4) a une puissance focale positive, et à la fois une surface côté objet (S7) et une surface côté image (S8) sont convexes ; la cinquième lentille (L5) a une puissance focale positive, une surface côté objet (S9) est concave, et une surface côté image (S10) est convexe ; la sixième lentille (L6) a une puissance focale négative, et à la fois une surface côté objet (S11) et une surface côté image (S12) sont concaves ; la septième lentille (L7) a une puissance focale positive, une surface côté objet (S13) est convexe à proximité de l'axe optique et a un point d'inflexion, et une surface côté image (S14) est concave à proximité de l'axe optique et a un point d'inflexion. La lentille optique (100) a un angle ultra-large, une structure compacte et une distorsion optique extrêmement petite, et atteint ainsi l'angle ultra-large, la miniaturisation de la lentille et une égalisation élevée des pixels.
PCT/CN2021/125993 2020-10-26 2021-10-25 Lentille optique et dispositif d'imagerie WO2022089344A1 (fr)

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CN117170069A (zh) * 2023-11-02 2023-12-05 江西联创电子有限公司 光学镜头
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