BR112017002290A2 - dispositivo de guia de ondas óptico de difração para expansão da pupila de saída. - Google Patents

dispositivo de guia de ondas óptico de difração para expansão da pupila de saída.

Info

Publication number
BR112017002290A2
BR112017002290A2 BR112017002290-7A BR112017002290A BR112017002290A2 BR 112017002290 A2 BR112017002290 A2 BR 112017002290A2 BR 112017002290 A BR112017002290 A BR 112017002290A BR 112017002290 A2 BR112017002290 A2 BR 112017002290A2
Authority
BR
Brazil
Prior art keywords
light
waveguide
expansion
exit pupil
network
Prior art date
Application number
BR112017002290-7A
Other languages
English (en)
Other versions
BR112017002290B1 (pt
Inventor
Grey
David
Talukdar
Sumanta
Original Assignee
Wave Optics Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wave Optics Ltd filed Critical Wave Optics Ltd
Publication of BR112017002290A2 publication Critical patent/BR112017002290A2/pt
Publication of BR112017002290B1 publication Critical patent/BR112017002290B1/pt

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0081—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. enlarging, the entrance or exit pupil
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4272—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having plural diffractive elements positioned sequentially along the optical path
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00—Manipulating 3D models or images for computer graphics
    • G06T19/006—Mixed reality
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0123—Head-up displays characterised by optical features comprising devices increasing the field of view
    • G02B2027/0125—Field-of-view increase by wavefront division
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • G02B2027/0174—Head mounted characterised by optical features holographic

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Graphics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Optical Integrated Circuits (AREA)
  • Holo Graphy (AREA)

Abstract

dispositivo de guia de ondas óptico de difração para expansão da pupila de saída. é revelado um dispositivo óptico para a expansão da entrada de luz em duas dimensões em um visor de realidade aumentada. o dispositivo compreende um guia de onda (12) e três redes de difração linear h0, h1, h2. um feixe incidente de um projetor ilumina uma rede de entrada h0 com luz policromática, e a luz é acoplada no guia de onda (12). as outras duas redes h1, h2 são sobrepostas uma em cima da outra. a luz pode ser difratada por uma rede h1 em uma primeira ordem difratada e em direção à outra rede h2 que pode acoplar a luz para fora do guia de onda (12) em direção ao visualizador. em uma outra disposição, as redes cruzadas h1, h2 podem ser substituídas por um cristal fotônico (19) tendo um conjunto regular de pilares (20) que criam um número de redes de difração eficazes
BR112017002290-7A 2014-08-03 2015-07-28 Dispositivo de guia de ondas óptico de difração para expansão da pupila de saída. BR112017002290B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201462032577P 2014-08-03 2014-08-03
US62/032,577 2014-08-03
GB1502098.5 2015-02-09
GB1502098.5A GB2529003B (en) 2014-08-03 2015-02-09 Optical device
PCT/GB2015/052181 WO2016020643A1 (en) 2014-08-03 2015-07-28 Exit pupil expanding diffractive optical waveguiding device

Publications (2)

Publication Number Publication Date
BR112017002290A2 true BR112017002290A2 (pt) 2018-01-16
BR112017002290B1 BR112017002290B1 (pt) 2022-04-26

Family

ID=52746333

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017002290-7A BR112017002290B1 (pt) 2014-08-03 2015-07-28 Dispositivo de guia de ondas óptico de difração para expansão da pupila de saída.

Country Status (22)

Country Link
US (2) US10114220B2 (pt)
EP (1) EP3175280B1 (pt)
JP (1) JP6714797B2 (pt)
KR (1) KR102350385B1 (pt)
CN (1) CN106575034B (pt)
AU (1) AU2015298504B2 (pt)
BR (1) BR112017002290B1 (pt)
CA (1) CA2956872C (pt)
CY (1) CY1120524T1 (pt)
DK (1) DK3175280T3 (pt)
ES (1) ES2670022T3 (pt)
GB (1) GB2529003B (pt)
HK (1) HK1217044A1 (pt)
HR (1) HRP20180778T1 (pt)
HU (1) HUE037328T2 (pt)
LT (1) LT3175280T (pt)
PL (1) PL3175280T3 (pt)
PT (1) PT3175280T (pt)
RS (1) RS57263B1 (pt)
SI (1) SI3175280T1 (pt)
TR (1) TR201806707T4 (pt)
WO (1) WO2016020643A1 (pt)

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