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公开(公告)号：US20240206295A1
公开(公告)日：2024-06-20
申请号：US18537609
申请日：2023-12-12
Applicant: SHENZHEN METALENX TECHNOLOGY CO.,LTD
Inventor： Jianfa CHEN , Chenglong HAO , Fengze TAN , Jian ZHU
CPC classification number: H10K59/879 , H10K50/157 , H10K50/167 , H10K59/1201 , H10K59/353 , H10K2102/103
Abstract: A display screen, a method and a device for designing the display screen, and a storage medium are provided. The display screen includes pixels periodically arranged, each pixel includes at least one sub-pixel. Each sub-pixel includes a basic structure and at least one micro or nano sized structure. The basic structure emits imaging light with color for display. The micro or nano sized structure is provided on a back-lighting side of the basic structure, and is configured to project incident light into speckles and enable the speckles to pass through the basic structure. A refractive index of the basic structure is different from a refractive index of the micro or nano sized structure.
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公开(公告)号：US20230280499A1
公开(公告)日：2023-09-07
申请号：US18004411
申请日：2021-07-05
Applicant: SHENZHEN METALENX TECHNOLOGY CO., LTD.
Inventor： Chenglong HAO , Fengze TAN , Jian ZHU
IPC: G02B1/00
CPC classification number: G02B1/002
Abstract: Disclosed are a large-aperture achromatic metalens, a metalens system, and an optical system. The large-aperture metalens include: a substrate, which permits transmission of light of different wave bands, including visible light and infrared light; and a plurality of unit cells disposed in an array on a surface of the substrate. A center of each unit cell or each of the center and vertexes of each unit cell is provided with one nanostructure. A metalens surface is the surface of the substrate having the plurality of unit cells and is divided into a plurality of concentric circular regions in a radial direction, and for each circular region, incident broad-band light is able to focus without chromatic aberration.
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公开(公告)号：US20250146901A1
公开(公告)日：2025-05-08
申请号：US18934213
申请日：2024-10-31
Applicant: SHENZHEN METALENX TECHNOLOGY CO.,LTD
Inventor： Jiaping CHENG , Junming DONG , Chenglong HAO , Fengze TAN , Jian ZHU
IPC: G01M11/02
Abstract: A phase-detection device and method for an optical element are provided, along the direction of the optical path the phase-detection device includes: a light source, a beam collimator, a diffraction element and an imaging detector; the optical element is set between the filter and the diffraction element; the diffraction element includes a mesh mask region and an array region segmented by the mesh mask region; mesh mask region blocks lights of a target wavelength; the array region includes a first class of cell and a second class of cell, and the first class of cell and the second class of cell are alternatively arranged; the first class of cell provides a first phase for the lights of target wavelength, and the second class of cell provides a second phase for lights of target wavelength; a phase difference between the first phase and second phase is T rad.
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公开(公告)号：US20250138162A1
公开(公告)日：2025-05-01
申请号：US18923637
申请日：2024-10-22
Applicant: SHENZHEN METALENX TECHNOLOGY CO.,LTD
Inventor： Xiaobo ZHAO , Heshan LIN , Chenglong HAO , Fengze TAN , Jian ZHU
IPC: G01S7/481 , G01S17/42 , G01S17/894 , G02B1/00
Abstract: An optical system for ToF and a depth camera of ToF are provided, and the optical system including two optical elements. The two optical elements along the optical axis in order from an object side to an image side include: a filter and a metalens; each of two optical elements includes an object-side surface facing towards the object side and an image-side surface facing towards the image side; the metalens includes a substrate and a plurality of unit cells; and a plurality of nanostructures are set on a vertex and center of the unit cells of the metalens; the optical system includes an aperture slot, and the aperture slot is set on an incident direction of an optical path of the metalens; the optical system satisfies the following condition: f D ≤ 1.2 ; f is a focal length of the optical system, and D is an entrance pupil diameter of the optical system.
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公开(公告)号：US20250130409A1
公开(公告)日：2025-04-24
申请号：US18915356
申请日：2024-10-15
Applicant: SHENZHEN METALENX TECHNOLOGY CO.,LTD
Inventor： Xiaobo ZHAO , Chenglong HAO , Fengze TAN , Jian ZHU
Abstract: An optical system and an optical camera working at a far-infrared waveband are provided. The optical system includes two optical elements, the two optical elements being, along the optical axis in order from an object side to an image side: a metalens and a refractive lens; each of two optical elements including an object-side surface facing towards the object side and an image-side surface facing towards the image side; the metalens including a substrate and a plurality of nanostructures, and the plurality of nanostructures are set on the image-side surface of the metalens; when a light passes through the image-side surface of the metalens, the incident angle of the light is less than or equal to 45°; the object-side surface of the refractive lens is a concave surface, and the image-side surface of the refractive lens is a convex surface; and the refractive lens has positive refractive power.
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Patent Agency Ranking
公开(公告)号：US20250123466A1
公开(公告)日：2025-04-17
申请号：US18991669
申请日：2024-12-22
Applicant: SHENZHEN METALENX TECHNOLOGY CO.,LTD
Inventor： Chenglong HAO , Fengze TAN , Rui ZHU , Jian ZHU
Abstract: A hybrid lens and an optical system are provided, and the hybrid lens includes a first lens and a second lens in order from an object side to an image side; the first lens is a refractive lens with a positive focal length; the second lens is a metalens; both the object-side surface and the image-side surface of the first lens are aspheric surfaces; the first lens and the second lens further satisfy the conditions: t 12 ≤ 0.5 mm ; ❘ "\[LeftBracketingBar]" f 2 f 1 ❘ "\[RightBracketingBar]" ≥ 8 ; R 1 i > R 1 O .
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公开(公告)号：US20250085533A1
公开(公告)日：2025-03-13
申请号：US18811758
申请日：2024-08-21
Applicant: SHENZHEN METALENX TECHNOLOGY CO.,LTD
Inventor： Chunyu WANG , Heshan LIN , Xiang LI , Zhenyu YANG , Chenglong HAO , Fengze TAN , Jian ZHU
Abstract: An optical system and an optical camera working at a far-infrared waveband are provided, the optical system along the optical axis from the objection side to the image side includes: a metalens and a spherical lens; the metalens is configured to correct higher-order residual wavefront aberrations; the spherical lens is configured to correct lower-order primary wavefront aberrations; the metalens and the spherical lens are configured to correct aberrations; an absolute value of the curvature radius of an objection-side surface towards the objection side for the spherical lens is greater than an absolute value of the curvature radius of an image-side surface towards the image side for the spherical lens; the optical system satisfies the following condition: 0.83≤f/D≤0.92; where f is an effective focal length of the optical system, and D is the entrance pupil diameter of the optical system.
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公开(公告)号：US20250063841A1
公开(公告)日：2025-02-20
申请号：US18795056
申请日：2024-08-05
Applicant: SHENZHEN METALENX TECHNOLOGY CO.,LTD
Inventor： Wen JIANG , Chenglong HAO , Fengze TAN , Jian ZHU
IPC: H01L27/146
Abstract: A method for designing a metalens used for an image sensor and an image sensor is provided, the method includes: S1. determining a target waveband; S2. according to the target waveband, determining an initial structure parameter and an initial material parameter of the unit cells; S3. optimizing the initial structure parameters of the unit cells and the initial material parameters of the unit cells, so as to obtain target parameters of unit cells; the target parameters of unit cells comprise: a phase of the unit cells and transmittance of the unit cells for an oblique incident light; S4: determining whether the transmittance of the metalens with the target structure parameter of unit cells meets the target transmittance.
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29.发明申请公开(公告)号：US20250060582A1
公开(公告)日：2025-02-20
申请号：US18795149
申请日：2024-08-05
Applicant: SHENZHEN METALENX TECHNOLOGY CO.,LTD
Inventor： Jianfa CHEN , Chenglong HAO , Fengze TAN , Jian ZHU
Abstract: A design method for a metalens, a metalens, a shaping and beam-combination device and a display device are provided, when Gaussian beams passes through the metalens, the Gaussian beams are shaped into a plurality of flat-topped beams that project to a target position on a target plane. The method includes: determining an incident parameter, and the incident parameter includes wavelengths and radius of the plurality of Gaussian beams; determining an outgoing parameter, and the outgoing parameter includes a width of flat-topped beams; setting metalens portions on the metalens and determining a position of each metalens portion; the metalens portions and the Gaussian beams are one-to-one correspondence, calculating a modulation phase distribution according to the incident parameter, and the outgoing parameter and the position of each metalens portion; arranging unit cells on the metalens portions according to the modulation phase distribution, and obtaining the metalens.
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公开(公告)号：US20250044420A1
公开(公告)日：2025-02-06
申请号：US18752749
申请日：2024-06-24
Applicant: SHENZHEN METALENX TECHNOLOGY CO.,LTD
Inventor： Xiaobo Zhao , Heshan Lin , Chenglong HAO , Fengze TAN , Jian ZHU
Abstract: A lens for ToF is provided, the lens includes: an optical system and a lens barrel; and the optical system is confined within the lens barrel. The optical system includes: an aperture slot, an optical filter, and a metalens. The aperture slot, the optical filter and the metalens are disposed sequentially from the object side to the image side, and the total track length of the optical system is less than or equal to 3.1 mm.
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