IL94603A0 - Optical switch and color selection assembly - Google Patents

Optical switch and color selection assembly

Info

Publication number
IL94603A0
IL94603A0 IL94603A IL9460390A IL94603A0 IL 94603 A0 IL94603 A0 IL 94603A0 IL 94603 A IL94603 A IL 94603A IL 9460390 A IL9460390 A IL 9460390A IL 94603 A0 IL94603 A0 IL 94603A0
Authority
IL
Israel
Prior art keywords
optical switch
color selection
selection assembly
assembly
color
Prior art date
Application number
IL94603A
Other languages
English (en)
Original Assignee
Kaiser Aerospace & Electronics
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 Kaiser Aerospace & Electronics filed Critical Kaiser Aerospace & Electronics
Publication of IL94603A0 publication Critical patent/IL94603A0/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
    • G02F1/13473—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells for wavelength filtering or for colour display without the use of colour mosaic filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3016—Polarising elements involving passive liquid crystal elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G02F1/133533—Colour selective polarisers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G02F1/133536—Reflective polarizers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G02F1/133543—Cholesteric polarisers

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
IL94603A 1989-08-29 1990-06-04 Optical switch and color selection assembly IL94603A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/400,156 US5082354A (en) 1989-08-29 1989-08-29 Optical switch and color selection assembly

Publications (1)

Publication Number Publication Date
IL94603A0 true IL94603A0 (en) 1991-04-15

Family

ID=23582446

Family Applications (1)

Application Number Title Priority Date Filing Date
IL94603A IL94603A0 (en) 1989-08-29 1990-06-04 Optical switch and color selection assembly

Country Status (5)

Country Link
US (1) US5082354A (fr)
EP (1) EP0415735A3 (fr)
JP (1) JPH03144419A (fr)
CA (1) CA2024163A1 (fr)
IL (1) IL94603A0 (fr)

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US5325218A (en) * 1992-12-31 1994-06-28 Minnesota Mining And Manufacturing Company Cholesteric polarizer for liquid crystal display and overhead projector
DE4328785A1 (de) * 1993-08-26 1995-03-02 Consortium Elektrochem Ind Optische Elemente mit abbildender farb- und polarisationsselektiver Reflexion enthaltend cholesterische Flüssigkristalle sowie Herstellung und Verwendung dieser Elemente
US5619355A (en) * 1993-10-05 1997-04-08 The Regents Of The University Of Colorado Liquid crystal handedness switch and color filter
US5408346A (en) * 1993-10-20 1995-04-18 Kaiser Electro-Optics, Inc. Optical collimating device employing cholesteric liquid crystal and a non-transmissive reflector
US5835166A (en) * 1994-08-17 1998-11-10 Hall; Dennis R. Chiral nematic liquid crystal polarization modulated color display for stereoscopic viewing device
US5892559A (en) * 1996-11-25 1999-04-06 Colorlink, Inc. Chromaticity compensating liquid crystal filter
US6563553B1 (en) * 1997-01-16 2003-05-13 Reveo, Inc. Flat panel display and method of manufacture
US6680758B1 (en) 1997-01-16 2004-01-20 Reveo, Inc. Flat panel display and a method of fabrication
DE19737618A1 (de) 1997-08-28 1999-03-04 Consortium Elektrochem Ind Maschinendetektierbare Sicherheitsmarkierung mit erhöhter Fälschungssicherheit, Herstellung der Sicherheitsmarkierung und Sicherheitssystem umfassend diese Sicherheitsmarkierung
HK1044043A1 (zh) * 1998-12-24 2002-10-04 Reveo, Inc. 平面圖像顯示結構及其製造方法
WO2001057587A1 (fr) * 2000-02-03 2001-08-09 Rolic Ag Commutateur de couleur
US6580845B1 (en) 2000-08-11 2003-06-17 General Nutronics, Inc. Method and device for switching wavelength division multiplexed optical signals using emitter arrays
WO2003091766A1 (fr) 2002-04-23 2003-11-06 Nitto Denko Corporation Polariseur, source de lumiere polarisante et unite d'affichage d'images utilisant ceux-ci
EP1411383A1 (fr) * 2002-10-14 2004-04-21 Agilent Technologies, Inc. - a Delaware corporation - Filtre coupe bande à résonance de plasmon de surface et méthode associée
FR2878041B1 (fr) * 2004-11-18 2007-10-26 Eads Astrium Sas Soc Par Actio Dispositif de separation optique et terminal de communication optique comprenant un tel dispositif
WO2016002582A1 (fr) * 2014-07-01 2016-01-07 日本化薬株式会社 Film optique et stratifié optique l'utilisant
NZ773822A (en) 2015-03-16 2022-07-29 Magic Leap Inc Methods and systems for diagnosing and treating health ailments
IL256276B (en) 2015-06-15 2022-09-01 Magic Leap Inc Display system with optical components for coupling multiple light streams
EP3440497B1 (fr) 2016-04-08 2023-08-16 Magic Leap, Inc. Systèmes et procédés de réalité augmentée comprenant des éléments de lentille à focale variable
KR102533671B1 (ko) 2016-11-18 2023-05-16 매직 립, 인코포레이티드 공간 가변적 액정 회절 격자들
KR102506485B1 (ko) 2016-11-18 2023-03-03 매직 립, 인코포레이티드 넓은 입사 각도 범위들의 광을 방향전환시키기 위한 다중층 액정 회절 격자들
IL312713A (en) 2016-11-18 2024-07-01 Magic Leap Inc Waveguide light multiplexer using crossed gratings
US11067860B2 (en) 2016-11-18 2021-07-20 Magic Leap, Inc. Liquid crystal diffractive devices with nano-scale pattern and methods of manufacturing the same
IL304304B2 (en) 2016-12-08 2024-08-01 Magic Leap Inc Diffractive devices based on cholesteric liquid crystal
KR102550742B1 (ko) 2016-12-14 2023-06-30 매직 립, 인코포레이티드 표면 정렬 패턴들의 소프트-임프린트 복제를 이용한 액정들의 패터닝
AU2018210527B2 (en) 2017-01-23 2022-12-01 Magic Leap, Inc. Eyepiece for virtual, augmented, or mixed reality systems
IL307602A (en) 2017-02-23 2023-12-01 Magic Leap Inc Variable focus virtual imagers based on polarization conversion
IL269317B2 (en) 2017-03-21 2023-11-01 Magic Leap Inc An eye imaging device that uses optical refractive elements
CN115576048A (zh) 2017-03-21 2023-01-06 奇跃公司 用于组合视场的具有不同衍射光栅的堆叠波导
EP3685215B1 (fr) 2017-09-21 2024-01-03 Magic Leap, Inc. Affichage à réalité augmentée comportant un guide d'ondes configuré pour capturer des images de l' il et/ou de l'environnement
CA3084011C (fr) 2017-12-15 2024-06-11 Magic Leap, Inc. Oculaires pour systeme d'affichage a realite augmentee
WO2019135197A1 (fr) * 2018-01-05 2019-07-11 3M Innovative Properties Company Article d'orientation de lumière comportant un retardateur à motif
WO2020106824A1 (fr) 2018-11-20 2020-05-28 Magic Leap, Inc. Oculaires destinés à un système d'affichage à réalité augmentée
CN114286962A (zh) 2019-06-20 2022-04-05 奇跃公司 用于增强现实显示系统的目镜
US11686942B2 (en) * 2019-09-12 2023-06-27 Meta Platforms Technologies, Llc Polarization-based processing of unpolarized image light

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Publication number Priority date Publication date Assignee Title
US3679290A (en) * 1971-01-06 1972-07-25 Xerox Corp Liquid crystal optical filter system
US3711181A (en) * 1971-03-05 1973-01-16 Xerox Corp Optical notch filter
US4478494A (en) * 1981-11-19 1984-10-23 Sperry Corporation Optical bypass switch
US4474434A (en) * 1981-12-07 1984-10-02 Gte Laboratories Incorporated Polarization-insensitive optical switch apparatus
US4566758A (en) * 1983-05-09 1986-01-28 Tektronix, Inc. Rapid starting, high-speed liquid crystal variable optical retarder
EP0138454B1 (fr) * 1983-09-26 1994-08-31 Tektronix, Inc. Filtre de couleur commutable et son utilisation dans un système d'affichage à trames séquentielles et à rendu complet des couleurs
US4758818A (en) * 1983-09-26 1988-07-19 Tektronix, Inc. Switchable color filter and field sequential full color display system incorporating same
US4674841A (en) * 1985-03-08 1987-06-23 Tektronix, Inc. Color filter switchable among three state via a variable retarder
US4726660A (en) * 1986-05-16 1988-02-23 The United States Of America As Represented By The United States Department Of Energy Technique for compressing light intensity ranges utilizing a specifically designed liquid crystal notch filter
US4770500A (en) * 1986-06-10 1988-09-13 Kaiser Aerospace And Electronics Corporation Method and apparatus for multi color display
US4726663A (en) * 1986-11-14 1988-02-23 Tektronix, Inc. Switchable color filter with enhanced transmissivity
US4913529A (en) * 1988-12-27 1990-04-03 North American Philips Corp. Illumination system for an LCD display system
US4991924A (en) * 1989-05-19 1991-02-12 Cornell Research Foundation, Inc. Optical switches using cholesteric or chiral nematic liquid crystals and method of using same

Also Published As

Publication number Publication date
JPH03144419A (ja) 1991-06-19
US5082354A (en) 1992-01-21
EP0415735A2 (fr) 1991-03-06
EP0415735A3 (en) 1992-01-15
CA2024163A1 (fr) 1991-03-01

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