公开(公告)号：US20240202947A1

公开(公告)日：2024-06-20

申请号：US18536258

申请日：2023-12-12

Applicant: SHENZHEN METALENX TECHNOLOGY CO.,LTD

Inventor： Jianfa CHEN ,  Chenglong HAO ,  Fengze TAN ,  Jian ZHU

IPC: G06T7/521 ,  G06T7/514 ,  G06T15/04

CPC classification number: G06T7/521 ,  G06T7/514 ,  G06T15/04 ,  G06T2215/12

Abstract: A method and a device of designing a metasurface, and a storage medium are provided. The method includes determining a phase distribution of an initial metasurface according to a preset image and a light source function of a first light source; the preset image includes a plurality of projection points in an array; performing a simulation based on the phase distribution of the initial metasurface and a second light source, so as to obtain a speckle image; if the speckle image does not meet a preset standard, optimizing the phase distribution of the initial metasurface through adjusting the projection points on the preset image, so as to determine a target phase distribution; generating the metasurface according to the target phase distribution.

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

IPC: H10K59/80 ,  H10K50/15 ,  H10K50/16 ,  H10K59/12 ,  H10K59/35

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.

公开(公告)号：US20240289511A1

公开(公告)日：2024-08-29

申请号：US18420726

申请日：2024-01-23

Applicant: SHENZHEN METALENX TECHNOLOGY CO.,LTD

Inventor： Jianfa CHEN ,  Chenglong HAO ,  Fengze TAN ,  Jian ZHU

IPC: G06F30/17 ,  G02B27/09

CPC classification number: G06F30/17 ,  G02B27/0944

Abstract: A method of designing a metasurface, a beam shaper, a device and electronic equipment are provided. The method of designing the metasurface includes: determining a type of an incident beam and parameters of the incident beam; determining a type of an outgoing beam and a parameter of the outgoing beam; based on the parameters of the incident beam and the parameter of the outgoing beam, determining an initial value of a diffraction phase distribution; the diffraction phase distribution represents a phase distribution configured to modulate the incident beam to the outgoing beam; based on the type of the incident beam and the type of the outgoing beam, iteratively optimizing the diffraction phase distribution to obtain an optimized diffraction phase distribution; generating a target phase distribution according to the optimized diffraction phase distribution; and generating the metasurface according to the target phase distribution.

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

IPC: G02B27/00 ,  B82Y20/00 ,  G02B1/00 ,  G02B3/00

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.