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    SYSTEMS FOR AND METHODS OF USING FOLD GRATINGS FOR DUAL AXIS EXPANSION
    1.
    发明申请
    SYSTEMS FOR AND METHODS OF USING FOLD GRATINGS FOR DUAL AXIS EXPANSION 有权

    公开(公告)号：US20220308352A1

    公开(公告)日：2022-09-29

    申请号：US17718147

    申请日：2022-04-11

    申请人： Rockwell Collins, Inc. ,  DIGILENS INC.

    发明人： James H. STANLEY ,  Jonathan David WALDERN ,  Milan Momcilo POPOVICH ,  Alastair John GRANT ,  Steven J. ROBBINS

    IPC分类号： G02B27/01 ,  G02B5/18 ,  G02B27/10

    摘要： A near eye optical display includes a waveguide comprising a first surface and a second surface, an input coupler, a fold grating, and an output grating. The input coupler is configured to receive collimated light from a display source and to cause the light to travel within the waveguide via total internal reflection between the first surface and the second surface to the fold grating; the fold grating is configured to provide pupil expansion in a first direction and to direct the light to the output grating via total internal reflection between the first surface and the second surface; and the output grating is configured to provide pupil expansion in a second direction different than the first direction and to cause the light to exit the waveguide from the first surface or the second surface.

    WEARABLE DATA DISPLAY
    2.
    发明申请
    WEARABLE DATA DISPLAY 有权

    公开(公告)号：US20220260847A1

    公开(公告)日：2022-08-18

    申请号：US17685918

    申请日：2022-03-03

    申请人： Digilens Inc. ,  Rockwell Collins, Inc.

    发明人： Milan Momcilo POPOVICH ,  Jonathan David WALDERN

    IPC分类号： G02B27/42 ,  F21V8/00 ,  G02B27/01 ,  G02F1/29

    摘要： A transparent wearable data display having a source of collimated light, a deflector for deflecting the collimated light into a scanned beam, and a first of switchable grating elements sandwiched between first and second parallel transparent substrates, which together functioning as a first light guide. A first coupling is provided for directing the scanned beam into a first total internal reflection (TIR) light path of the first light guide along the first array column. The grating elements having diffracting and non-diffracting states, in their diffracting state deflecting light out of said light guide. The grating elements arc switchable into their diffracting states one group of elements at a time.

    WEARABLE DATA DISPLAY
    5.
    发明公开
    WEARABLE DATA DISPLAY 审中-公开

    公开(公告)号：US20240077742A1

    公开(公告)日：2024-03-07

    申请号：US18385824

    申请日：2023-10-31

    申请人： Digilens Inc. ,  Rockwell Collins, Inc.

    发明人： Milan Momcilo POPOVICH ,  Jonathan David WALDERN

    IPC分类号： G02B27/42 ,  F21V8/00 ,  G02B27/01 ,  G02F1/29

    CPC分类号： G02B27/4227 ,  G02B6/0028 ,  G02B6/0035 ,  G02B6/0078 ,  G02B27/0172 ,  G02F1/292 ,  G02F1/13342

    摘要： A transparent wearable data display having a source of collimated light, a deflector for deflecting the collimated light into a scanned beam, and a first of switchable grating elements sandwiched between first and second parallel transparent substrates, which together functioning as a first light guide. A first coupling is provided for directing the scanned beam into a first total internal reflection (TIR) light path of the first light guide along the first array column. The grating elements having diffracting and non-diffracting states, in their diffracting state deflecting light out of said light guide. The grating elements are switchable into their diffracting states one group of elements at a time.