DE2320932C2 - Flüssigkristall-Bildwandler - Google Patents

Flüssigkristall-Bildwandler

Info

Publication number
DE2320932C2
DE2320932C2 DE2320932A DE2320932A DE2320932C2 DE 2320932 C2 DE2320932 C2 DE 2320932C2 DE 2320932 A DE2320932 A DE 2320932A DE 2320932 A DE2320932 A DE 2320932A DE 2320932 C2 DE2320932 C2 DE 2320932C2
Authority
DE
Germany
Prior art keywords
liquid crystal
image
layer
crystal layer
fluorescent screen
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE2320932A
Other languages
German (de)
English (en)
Other versions
DE2320932A1 (de
Inventor
Georges Paris Assouline
Michel Harpajon Hareng
Eugene Paris Leiba
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of DE2320932A1 publication Critical patent/DE2320932A1/de
Application granted granted Critical
Publication of DE2320932C2 publication Critical patent/DE2320932C2/de
Expired legal-status Critical Current

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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—HANDLING OF PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K4/00—Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
  • Radiography Using Non-Light Waves (AREA)
DE2320932A 1972-04-25 1973-04-25 Flüssigkristall-Bildwandler Expired DE2320932C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7214641A FR2182297A5 (https=) 1972-04-25 1972-04-25

Publications (2)

Publication Number Publication Date
DE2320932A1 DE2320932A1 (de) 1973-11-08
DE2320932C2 true DE2320932C2 (de) 1983-12-01

Family

ID=9097486

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2320932A Expired DE2320932C2 (de) 1972-04-25 1973-04-25 Flüssigkristall-Bildwandler

Country Status (4)

Country Link
US (1) US3829684A (https=)
DE (1) DE2320932C2 (https=)
FR (1) FR2182297A5 (https=)
GB (1) GB1435373A (https=)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936640A (en) * 1974-09-25 1976-02-03 Xerox Corporation Imaging system
US3939345A (en) * 1974-12-23 1976-02-17 Xonics, Inc. Liquid crystal imaging of radiograms
FR2296198A1 (fr) * 1974-12-24 1976-07-23 Commissariat Energie Atomique Procede thermique de commande de proprietes optiques d'un cristal liquide et dispositifs mettant en oeuvre ledit procede
US3971931A (en) * 1975-01-23 1976-07-27 The United States Of America As Represented By The Secretary Of The Navy Led image tube light valve
US4051370A (en) * 1976-08-24 1977-09-27 The United States Of America As Represented By The Secretary Of The Army Optical system for thermal imager
US4205846A (en) * 1977-01-10 1980-06-03 Levine Alfred B Target panel
FR2449314A1 (fr) * 1979-02-13 1980-09-12 Thomson Csf Dispositif d'affichage electro-optique
US4601537A (en) * 1984-01-06 1986-07-22 Ohio State University Research Foundation Apparatus and methods for forming images and for optical demultiplexing
DE3442207A1 (de) * 1984-11-19 1986-05-28 Leybold-Heraeus GmbH, 5000 Köln Elektronenstrahl-istpositionsgeber
US4593199A (en) * 1985-01-22 1986-06-03 Energy Conversion Devices, Inc. Optical-to-optical image transducer capable of accepting X-radiation
US4672014A (en) * 1985-10-08 1987-06-09 The Mead Corporation Exposure of imaging sheets utilizing a light valve as a wavelength transformer
EP0562143B1 (en) * 1992-03-27 1997-06-25 Nichia Kagaku Kogyo K.K. Solid-state image converting device
US5790186A (en) * 1995-12-27 1998-08-04 Advanced Vision Technology (A.V.T.) Ltd. Apparatus and method for reducing shade effects during print quality control
PL224639B1 (pl) * 2014-06-02 2017-01-31 Wrocławskie Centrum Badań Eit + Spółka Z Ograniczoną Kaskadowy konwerter promieniowania jonizującego oraz urządzenie do diagnostyki obrazowej w czasie rzeczywistym

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2049483A5 (https=) * 1969-06-11 1971-03-26 Thomson Csf

Also Published As

Publication number Publication date
DE2320932A1 (de) 1973-11-08
FR2182297A5 (https=) 1973-12-07
GB1435373A (en) 1976-05-12
US3829684A (en) 1974-08-13

Similar Documents

Publication Publication Date Title
DE2320932C2 (de) Flüssigkristall-Bildwandler
DE2310456C3 (de) Farbfernsehgerät mit einer vor dem Bildschirm angeordneten Farbfilteranordnung
DE2422417C3 (de) Beleuchtungsvorrichtung für Mikroskope
DE1905945A1 (de) Brennebenen-Verschlussanordnung
DE1487777A1 (de) Verfahren und Vorrichtung zum Feststellen und Sichtbarmachen eines elektrischen Feldes
DE3789331T2 (de) Modulierte Beleuchtungsvorrichtung für ein elektro-optisches Display.
DE69323402T2 (de) Verfahren und Methode zur Bildaufnahme von Strahlung verschiedener Wellenlänge
DE69105351T2 (de) Aufzeichnungsgerät zum Aufzeichnen von Informationen mit einem elektromagnetischen Richtstrahl und Aufzeichnungskopf hierfür.
DE2555816A1 (de) Ferroelektrische keramische vorrichtungen
DE2835347A1 (de) Anzeigevorrichtung mit einem elektrooptischen lichtventil
DE2713718C2 (de) Optisches Lichtventil
DE2554226B2 (de) Strahlungskollektor und -verdichter in Form einer fluoreszierenden Kunststoffplatte
DE2154150C3 (de) Bildverstärker
DE2122001A1 (de) Speichersystem
DE2620173A1 (de) Strahlungsblende
DE2826288C2 (de) Bildaufzeichnungsverfahren für ein strahlungsempfindliches Material
DE2311548A1 (de) Farbfernsehsystem
DE2010509B2 (de) Anordnung zum Speichern von Daten
DE2155241C2 (de) Verfahren zum Betrieb einer Flüssigkristallzelle
EP0498908A1 (de) Speicherleuchtschirm mit einem stimulierbaren Speicherleuchtstoff
DE1487779C3 (de) Bildwiedergabevorrichtung
DE4222946C2 (de) Hochauflösende Bildplatten für Aufnahmen mit ionisierenden Strahlen
DE2028235C3 (de) Festkörperbildwandler mit einer dünnen Schicht aus einem flüssigen Kristall
DE2011789C3 (de) Anordnung zur granulationsfrei erscheinenden Streuung von kohärentem Licht
DE1917147C3 (de) Vorrichtung zum Modulieren eines Wiedergabelichtbündels entsprechend einem steuerenden, eine aufzunehmende Bildinformation tragenden optischen Strahlenbündel und Verwendung der Vorrichtung zur informationsspeicherung und -wiedergewinnung

Legal Events

Date Code Title Description
OD Request for examination
8126 Change of the secondary classification

Free format text: C09K 3/34 G09F 9/00 H04N 5/70

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee