公开(公告)号：US20240061086A1

公开(公告)日：2024-02-22

申请号：US18384631

申请日：2023-10-27

申请人： Hesai Technology Co., Ltd.

发明人： Shaoqing XIANG ,  Na LI ,  Yancong LU

IPC分类号： G01S7/481 ,  G01S17/42 ,  G01S17/931 ,  G02B26/10 ,  G02B27/10

CPC分类号： G01S7/4817 ,  G01S7/4815 ,  G01S7/4816 ,  G01S17/42 ,  G01S17/931 ,  G02B26/105 ,  G02B27/106 ,  G02B27/1086 ,  G02B5/1871

摘要： A Lidar system may comprise a rotor and a stator. The rotor is configured to rotate with respect to the stator. The rotor comprises at least one supporting body and a plurality of light sources disposed on the at least one supporting body, the plurality of light sources configured to emit a plurality of first light beams. The plurality of light beams are non-uniformly distributed along a vertical direction in a vertical field of view of the Lidar system.

公开(公告)号：US11892654B2

公开(公告)日：2024-02-06

申请号：US16594534

申请日：2019-10-07

申请人： OmniVision Technologies, Inc.

发明人： Shih-Hsin Hsu ,  Jau-Jan Deng ,  Wei-Ping Chen

IPC分类号： G02B27/48 ,  G02B5/02 ,  G02B3/00 ,  G02B5/18

CPC分类号： G02B27/48 ,  G02B3/0037 ,  G02B5/0278 ,  G02B5/0294 ,  G02B5/1871

摘要： A passive speckle-suppressing diffuser includes a microlens array for diffusing a light field originating from one or more coherent light beams, and a diffractive optical element mounted in series with the microlens array and having a pixelated thickness distribution, characterized by a spatial variation across the diffractive optical element, to impose a spatially varying phase shift on the light field. The pixelated thickness distribution may be configured such that the spatially varying phase shift suppresses speckle of the light field while minimizing introduction of distinct diffraction structure. A method for passive speckle-suppressing diffusion a light field originating from one or more coherent light beams may include refracting the light field, through a microlens array, to diffuse the light field, and imposing a spatially varying phase shift on the light field to decohere the light field without introducing any first-order diffraction components deflected beyond angle spread introduced by the microlens array.

公开(公告)号：US11885943B2

公开(公告)日：2024-01-30

申请号：US17039238

申请日：2020-09-30

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Hyunsung Park ,  Hyeonsoo Park ,  Seunghoon Han

IPC分类号： G02B13/00 ,  G02B9/62 ,  G02B27/00 ,  G02B5/18

CPC分类号： G02B13/0055 ,  G02B5/1871 ,  G02B9/62 ,  G02B13/0045 ,  G02B27/0025 ,  G02B2207/101

摘要： Provided is a lens assembly including a first lens having positive optical power with respect to incident light incident from an object side and having a convex surface facing the object side, and a second lens including a meta-lens having negative chromatic aberration with respect to the incident light passing through the first lens.

公开(公告)号：US20240027587A1

公开(公告)日：2024-01-25

申请号：US18375870

申请日：2023-10-02

申请人： Hesai Technology Co., Ltd.

发明人： Shaoqing XIANG ,  Na LI ,  Yancong LU

IPC分类号： G01S7/481 ,  G02B27/10 ,  G01S17/42 ,  G02B26/10 ,  G01S17/931

CPC分类号： G01S7/4817 ,  G02B27/1086 ,  G02B27/106 ,  G01S7/4815 ,  G01S7/4816 ,  G01S17/42 ,  G02B26/105 ,  G01S17/931 ,  G02B5/1871

摘要： A Lidar system may comprise a rotor and a stator. The rotor is configured to rotate with respect to the stator. The rotor comprises at least one supporting body and a plurality of light sources disposed on the at least one supporting body, the plurality of light sources configured to emit a plurality of first light beams. The plurality of light beams are non-uniformly distributed along a vertical direction in a vertical field of view of the Lidar system.

公开(公告)号：US11822112B2

公开(公告)日：2023-11-21

申请号：US17833677

申请日：2022-06-06

申请人： Magic Leap, Inc.

发明人： Kevin Richard Curtis ,  Hui-Chuan Cheng ,  Paul M. Greco ,  William Hudson Welch ,  Eric C. Browy ,  Miller Harry Schuck, III ,  Bradley Jay Sissom

IPC分类号： F21V8/00 ,  G06F3/01 ,  G06F3/147 ,  G09G3/00 ,  G09G3/20 ,  G02B27/01 ,  G02B7/00 ,  G02B5/30 ,  G02B27/00 ,  G02B27/28 ,  G02B27/10 ,  H04N9/31 ,  G02C5/16 ,  G02C11/00 ,  G06F1/16 ,  G06F1/20 ,  H05K7/20 ,  G02B5/18 ,  G02B6/34 ,  G02B6/293 ,  G02B27/30

CPC分类号： G02B6/0016 ,  G02B5/1823 ,  G02B5/1857 ,  G02B5/1866 ,  G02B5/1871 ,  G02B5/3025 ,  G02B6/005 ,  G02B6/0023 ,  G02B6/0035 ,  G02B6/0036 ,  G02B6/0038 ,  G02B6/0076 ,  G02B7/008 ,  G02B27/0018 ,  G02B27/0081 ,  G02B27/017 ,  G02B27/0172 ,  G02B27/0176 ,  G02B27/1086 ,  G02B27/283 ,  G02C5/16 ,  G02C11/10 ,  G06F1/163 ,  G06F1/203 ,  G06F1/206 ,  G06F3/011 ,  G06F3/013 ,  G06F3/147 ,  G09G3/001 ,  G09G3/002 ,  G09G3/2003 ,  G09G3/2044 ,  H04N9/3102 ,  H04N9/3164 ,  H05K7/20963 ,  G02B6/29325 ,  G02B6/34 ,  G02B27/30 ,  G02B2027/012 ,  G02B2027/014 ,  G02B2027/0114 ,  G02B2027/0118 ,  G02B2027/0125 ,  G02B2027/0174 ,  G02B2027/0178 ,  G09G2320/0233 ,  G09G2330/045 ,  G09G2340/0464 ,  H04N9/3144

摘要： An artifact mitigation system includes a projector assembly and a set of imaging optics optically coupled to the projector assembly. The artifact mitigation system also includes an eyepiece optically coupled to the set of imaging optics. The eyepiece includes a diffractive incoupling interface. The artifact mitigation system further includes an artifact prevention element disposed between the set of imaging optics and the eyepiece. The artifact prevention element includes a linear polarizer, a first quarter waveplate disposed adjacent the linear polarizer, and a color select component disposed adjacent the first quarter waveplate.

公开(公告)号：US11822106B2

公开(公告)日：2023-11-21

申请号：US17229425

申请日：2021-04-13

申请人： SAMSUNG ELECTRONICS CO., LTD. ,  UNIVERSITY OF MASSACHUSETTS

发明人： Seunghoon Han ,  Mahdad Mansouree ,  Amir Arbabi ,  Sangeun Mun

IPC分类号： G02B5/18 ,  G02B5/30 ,  G02B1/00

CPC分类号： G02B5/1871 ,  G02B1/002 ,  G02B5/3083 ,  G02B2207/101

摘要： Provided is a meta optical device including a plurality of phase modulation regions respectively including a plurality of nanostructures that have shapes and arrangement based on a preset rule, the plurality of phase modulation regions being configured to modulate a phase of incident light of a preset wavelength band, wherein at least two phase modulation regions of the plurality of phase modulation regions have phase modulation ranges in a first direction that are same, and wherein the plurality of nanostructures included in the at least two phase modulation regions have width ranges in the first direction that are different from each other.

公开(公告)号：US20190216416A1

公开(公告)日：2019-07-18

申请号：US16329807

申请日：2017-08-30

申请人： KONINKLIJKE PHILIPS N.V.

发明人： Thomas KOEHLER ,  Roland PROKSA

IPC分类号： A61B6/00 ,  G21K1/10 ,  G21K1/06 ,  G21K1/02 ,  G02B5/18

CPC分类号： A61B6/4291 ,  A61B6/4092 ,  A61B6/484 ,  G01N23/041 ,  G02B5/1838 ,  G02B5/1871 ,  G21K1/025 ,  G21K1/06 ,  G21K1/10 ,  G21K2207/005

摘要： A source grating structure (G0) for interferometric X-ray imaging cable of generating a non-uniform intensity profile behind a surface (S) of the grating structure when exposed to X-ray radiation.

公开(公告)号：US20180364334A1

公开(公告)日：2018-12-20

申请号：US16011127

申请日：2018-06-18

申请人： HESAI PHOTONICS TECHNOLOGY CO., LTD.

发明人： SHAOQING XIANG ,  NA LI ,  YANCONG LU

IPC分类号： G01S7/481 ,  G01S17/93 ,  G02B27/10 ,  G02B5/18

CPC分类号： G01S7/4817 ,  G01S7/4815 ,  G01S7/4816 ,  G01S17/42 ,  G01S17/936 ,  G02B5/1871 ,  G02B26/105 ,  G02B27/106 ,  G02B27/1086

摘要： A Lidar system may comprise a rotor and a stator. The rotor is configured to rotate with respect to the stator. The rotor comprises at least one supporting body and a plurality of light sources disposed on the at least one supporting body, the plurality of light sources configured to emit a plurality of first light beams. The plurality of light beams are non-uniformly distributed along a vertical direction in a vertical field of view of the Lidar system.

公开(公告)号：US20180217306A1

公开(公告)日：2018-08-02

申请号：US15568068

申请日：2017-04-28

申请人： BOE TECHNOLOGY GROUP CO., LTD.

发明人： Wei WANG ,  Yafeng YANG ,  Xiaochuan CHEN ,  Jifeng TAN ,  Jian GAO ,  Can WANG ,  Xinli MA ,  Can ZHANG ,  Qian WANG

IPC分类号： G02B5/18

CPC分类号： G02B5/1819 ,  G02B5/1842 ,  G02B5/1871 ,  G02B5/201 ,  G02F1/1335 ,  G02F1/133504 ,  G02F2201/52

摘要： A display device includes a display panel and a grating layer inside or outside the display panel. The display panel includes R pixels, G pixels and B pixels. The grating layer includes a R grating region, a G grating region and a B grating region; along a direction from a center of a central area of the view field of the display device to a non-central area of the view field, each of grating periods of the R, G and B grating regions gradually decreases; and lights emitted from positions of the display device corresponding to the R pixel, the G pixel and the B pixel are emitted respectively along straight lines formed by the position of the R pixel and the viewer, formed by the position of the G pixel and the viewer and formed by the position of the B pixel and the viewer.

公开(公告)号：US09690882B2

公开(公告)日：2017-06-27

申请号：US14227748

申请日：2014-03-27

申请人： Carl Zeiss AG

发明人： Hans-Juergen Dobschal

IPC分类号： G06F17/50 ,  G02B5/30 ,  G02B3/00 ,  G02B27/00 ,  G02B5/18 ,  G02C7/06 ,  A61F2/16 ,  G02C7/02

CPC分类号： G06F17/50 ,  A61F2/1618 ,  A61F2/1654 ,  G02B3/00 ,  G02B5/1823 ,  G02B5/1842 ,  G02B5/1871 ,  G02B5/30 ,  G02B27/0075 ,  G02C7/022 ,  G02C7/061 ,  G02C2202/20

摘要： A lens having an extended range of focus is made of a transparent material and has two optical surfaces. The lens defines an optical axis and a focal power distribution (Ftot) which, in relation to a plane perpendicular to the optical axis, changes as a function of the radial height (r) and of the azimuth angle (phi) of the aperture between a calculated basic value of the focal power (Flens) not equal to zero and a maximum value Fspiral max(r, phi).