FR2180543A2 - Liquid crystal cell - for directing light by varying pd across electrodes - Google Patents

Liquid crystal cell - for directing light by varying pd across electrodes

Info

Publication number
FR2180543A2
FR2180543A2 FR7214008A FR7214008A FR2180543A2 FR 2180543 A2 FR2180543 A2 FR 2180543A2 FR 7214008 A FR7214008 A FR 7214008A FR 7214008 A FR7214008 A FR 7214008A FR 2180543 A2 FR2180543 A2 FR 2180543A2
Authority
FR
France
Prior art keywords
liquid crystal
electrodes
varying
crystal cell
directing light
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.)
Granted
Application number
FR7214008A
Other languages
English (en)
French (fr)
Other versions
FR2180543B2 (enrdf_load_stackoverflow
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 a lEnergie Atomique et aux Energies Alternatives CEA
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
Priority to FR7214008A priority Critical patent/FR2180543A2/fr
Publication of FR2180543A2 publication Critical patent/FR2180543A2/fr
Application granted granted Critical
Publication of FR2180543B2 publication Critical patent/FR2180543B2/fr
Granted 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
    • G02F1/29—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
    • 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

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)
FR7214008A 1972-04-20 1972-04-20 Liquid crystal cell - for directing light by varying pd across electrodes Granted FR2180543A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7214008A FR2180543A2 (en) 1972-04-20 1972-04-20 Liquid crystal cell - for directing light by varying pd across electrodes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7214008A FR2180543A2 (en) 1972-04-20 1972-04-20 Liquid crystal cell - for directing light by varying pd across electrodes

Publications (2)

Publication Number Publication Date
FR2180543A2 true FR2180543A2 (en) 1973-11-30
FR2180543B2 FR2180543B2 (enrdf_load_stackoverflow) 1977-06-24

Family

ID=9097231

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7214008A Granted FR2180543A2 (en) 1972-04-20 1972-04-20 Liquid crystal cell - for directing light by varying pd across electrodes

Country Status (1)

Country Link
FR (1) FR2180543A2 (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1568308A (enrdf_load_stackoverflow) * 1967-03-31 1969-05-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1568308A (enrdf_load_stackoverflow) * 1967-03-31 1969-05-23

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
ARTICLE DE F. J. KAHN :'ELECTRICFIELD- INDUCED COLOR CHANGES AND PITCH DILATION IN CHOLESTERIC *
LIQUID CRYSTALS' *
PAGES 231-233, ARTICLE DE F . J. KAHN'CHOLESTERIC LIQUID CRYSTALS FOR OPTICAL APPLICATIONS'.) *
REVUE AMERICAINE 'APPLIED PHYSICS LETTERS' VOLUME 18, NUMERO 6, 15 MARS 1971, *
REVUE AMERICAINE 'PHYSICAL REVIEW LETTERS' VOLUME 24, NUMERO 5,2 FEVRIER 1970, PAGES 209-212, *

Also Published As

Publication number Publication date
FR2180543B2 (enrdf_load_stackoverflow) 1977-06-24

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