DE2509867A1 - Vorrichtung zur schaustellung von zeichen - Google Patents

Vorrichtung zur schaustellung von zeichen

Info

Publication number
DE2509867A1
DE2509867A1 DE19752509867 DE2509867A DE2509867A1 DE 2509867 A1 DE2509867 A1 DE 2509867A1 DE 19752509867 DE19752509867 DE 19752509867 DE 2509867 A DE2509867 A DE 2509867A DE 2509867 A1 DE2509867 A1 DE 2509867A1
Authority
DE
Germany
Prior art keywords
liquid crystal
light beam
light
crystal cell
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.)
Pending
Application number
DE19752509867
Other languages
German (de)
English (en)
Inventor
Joseph Borel
Jacques Robert
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.)
Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of DE2509867A1 publication Critical patent/DE2509867A1/de
Pending 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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1393—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-LC cells
    • 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
    • G02F1/29—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 position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
DE19752509867 1974-03-06 1975-03-06 Vorrichtung zur schaustellung von zeichen Pending DE2509867A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7407645A FR2263569A1 (en) 1974-03-06 1974-03-06 Character display apparatus with two electrode systems - has light beam directed at one of two fluid-crystal cell walls

Publications (1)

Publication Number Publication Date
DE2509867A1 true DE2509867A1 (de) 1975-09-11

Family

ID=9135934

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752509867 Pending DE2509867A1 (de) 1974-03-06 1975-03-06 Vorrichtung zur schaustellung von zeichen

Country Status (4)

Country Link
JP (1) JPS50155193A (enExample)
CH (1) CH591095A5 (enExample)
DE (1) DE2509867A1 (enExample)
FR (1) FR2263569A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0023741A1 (en) * 1979-08-02 1981-02-11 Koninklijke Philips Electronics N.V. Electrophoretic image display device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2350621A1 (fr) * 1976-05-04 1977-12-02 Itt Cellule de cristaux liquides a l'etat nematique
EP0015139B1 (en) * 1979-02-21 1982-03-03 Sperry Corporation Electro-optical switching matrix
US5018835A (en) * 1989-01-03 1991-05-28 Raytheon Company Deflector for an optical beam including refractive means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0023741A1 (en) * 1979-08-02 1981-02-11 Koninklijke Philips Electronics N.V. Electrophoretic image display device

Also Published As

Publication number Publication date
JPS50155193A (enExample) 1975-12-15
FR2263569B1 (enExample) 1977-09-23
CH591095A5 (enExample) 1977-09-15
FR2263569A1 (en) 1975-10-03

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Legal Events

Date Code Title Description
OHJ Non-payment of the annual fee