IT997834B - Valvola luminosa a cristallo liquido - Google Patents

Valvola luminosa a cristallo liquido

Info

Publication number
IT997834B
IT997834B IT54013/73A IT5401373A IT997834B IT 997834 B IT997834 B IT 997834B IT 54013/73 A IT54013/73 A IT 54013/73A IT 5401373 A IT5401373 A IT 5401373A IT 997834 B IT997834 B IT 997834B
Authority
IT
Italy
Prior art keywords
liquid crystal
light valve
crystal light
valve
liquid
Prior art date
Application number
IT54013/73A
Other languages
English (en)
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Application granted granted Critical
Publication of IT997834B publication Critical patent/IT997834B/it

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
    • G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
    • G02F1/1354—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied having a particular photoconducting structure or material
IT54013/73A 1972-12-04 1973-11-30 Valvola luminosa a cristallo liquido IT997834B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00312097A US3824002A (en) 1972-12-04 1972-12-04 Alternating current liquid crystal light value

Publications (1)

Publication Number Publication Date
IT997834B true IT997834B (it) 1975-12-30

Family

ID=23209867

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54013/73A IT997834B (it) 1972-12-04 1973-11-30 Valvola luminosa a cristallo liquido

Country Status (5)

Country Link
US (1) US3824002A (it)
JP (1) JPS5330508B2 (it)
FR (1) FR2209121B1 (it)
IT (1) IT997834B (it)
SE (1) SE397590B (it)

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US5182665A (en) * 1990-09-07 1993-01-26 Displaytech, Inc. Diffractive light modulator
US5153759A (en) * 1991-04-01 1992-10-06 Xerox Corporation Optically addressed light valve system
JP2658747B2 (ja) * 1992-06-16 1997-09-30 日本ビクター株式会社 誘電体ミラー及びその製造方法
DE69330735T2 (de) * 1992-07-30 2002-07-04 Hamamatsu Photonics Kk Optisch adressierter räumlicher Lichtmodulator
JP3378032B2 (ja) * 1992-08-28 2003-02-17 浜松ホトニクス株式会社 人物照合装置
US5339988A (en) * 1992-10-19 1994-08-23 Ballard Medical Products Disposable tray sump foamer, assembly and methods
US5309262A (en) * 1992-12-23 1994-05-03 Xerox Corporation Optically addressed light valve system with two dielectric mirrors separated by a light separating element
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JPH07134310A (ja) * 1993-11-10 1995-05-23 Fuji Xerox Co Ltd 光書き込み型電気光学装置
US5490004A (en) * 1994-05-02 1996-02-06 Hughes Jvc Tech Corp Photoconductivity reduction in cadmium telluride films for light blocking applications using nitrogen incorporation
US5716122A (en) * 1994-08-25 1998-02-10 Nikon Corporation Optical apparatus using polarizing beam splitter
US6639637B2 (en) * 2001-12-26 2003-10-28 Eastman Kodak Company Field spreading layer for dispersed liquid crystal coatings
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US3700306A (en) * 1971-09-22 1972-10-24 Ncr Co Electro-optic shutter having a thin glass or silicon oxide layer between the electrodes and the liquid crystal
US3744879A (en) * 1971-10-26 1973-07-10 Hughes Aircraft Co Liquid crystal optical processor
US3723651A (en) * 1971-12-27 1973-03-27 Rca Corp Optically-scanned liquid-crystal projection display

Also Published As

Publication number Publication date
US3824002A (en) 1974-07-16
FR2209121A1 (it) 1974-06-28
SE397590B (sv) 1977-11-07
JPS4990155A (it) 1974-08-28
JPS5330508B2 (it) 1978-08-28
FR2209121B1 (it) 1977-06-10

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