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MX2021002204A - Supresion de reflexion para pantallas cercanas al ojo. - Google Patents

Supresion de reflexion para pantallas cercanas al ojo.

Info

Publication number
MX2021002204A
MX2021002204A MX2021002204A MX2021002204A MX2021002204A MX 2021002204 A MX2021002204 A MX 2021002204A MX 2021002204 A MX2021002204 A MX 2021002204A MX 2021002204 A MX2021002204 A MX 2021002204A MX 2021002204 A MX2021002204 A MX 2021002204A
Authority
MX
Mexico
Prior art keywords
loe
eye
illumination
coupling
various
Prior art date
Application number
MX2021002204A
Other languages
English (en)
Inventor
Yochay Danziger
Tsion Eisenfeld
Jonathan Gelberg
Eitan Ronen
Amir Shapira
Original Assignee
Lumus 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 Lumus Ltd filed Critical Lumus Ltd
Publication of MX2021002204A publication Critical patent/MX2021002204A/es

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
    • G02B27/01—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
    • G02B5/00—Optical elements other than lenses
    • G02B5/003—Light absorbing elements
    • 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
    • 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
    • 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
    • G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
    • G02B2027/012—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility comprising devices for attenuating parasitic image effects
    • 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
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Prostheses (AREA)
  • Surface Treatment Of Optical Elements (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Polarising Elements (AREA)

Abstract

Una pantalla cercana al ojo que incluye un elemento óptico de guía de luz (LOE) (10) que tiene una primera y una segunda superficies externas principales (11A), (11B) planas y paralelas entre sí. Un proyector de imágenes (2) introduce en el LOE la iluminación correspondiente a una imagen, de forma que la iluminación se propaga dentro de dicho LOE por reflexión interna en las superficies externas principales. Una disposición de acoplamiento acopla la iluminación fuera de dicho LOE hacia el ojo del observador. La disposición de acoplamiento puede ser un conjunto de superficies parcialmente reflectantes paralelas entre sí (12A) que se despliegan en un ángulo oblicuo dentro del LOE. Entre las diversas disposiciones para suprimir los reflejos de las fuentes de luz ambiental se encuentran los deflectores de bloqueo orientados para evitar la reducción del campo visual periférico, diversos recubrimientos antirreflectantes y diversos despliegues de filtros de polarización.
MX2021002204A 2018-08-26 2019-08-26 Supresion de reflexion para pantallas cercanas al ojo. MX2021002204A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862722903P 2018-08-26 2018-08-26
US201962843610P 2019-05-06 2019-05-06
PCT/IB2019/057149 WO2020044198A1 (en) 2018-08-26 2019-08-26 Reflection suppression in near eye displays

Publications (1)

Publication Number Publication Date
MX2021002204A true MX2021002204A (es) 2021-05-14

Family

ID=69645052

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021002204A MX2021002204A (es) 2018-08-26 2019-08-26 Supresion de reflexion para pantallas cercanas al ojo.

Country Status (12)

Country Link
US (4) US12099214B2 (es)
EP (3) EP3841414B1 (es)
JP (2) JP7408138B2 (es)
KR (2) KR102781637B1 (es)
CN (1) CN112601993A (es)
AU (1) AU2019330119B2 (es)
BR (1) BR112021003215A2 (es)
CA (1) CA3109796C (es)
IL (1) IL280934B2 (es)
MX (1) MX2021002204A (es)
TW (2) TWI830772B (es)
WO (1) WO2020044198A1 (es)

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