CH557041A - Elektrooptische vorrichtung mit einer schicht aus einem nematischen fluessigen kristall. - Google Patents

Elektrooptische vorrichtung mit einer schicht aus einem nematischen fluessigen kristall.

Info

Publication number
CH557041A
CH557041A CH25074A CH25074A CH557041A CH 557041 A CH557041 A CH 557041A CH 25074 A CH25074 A CH 25074A CH 25074 A CH25074 A CH 25074A CH 557041 A CH557041 A CH 557041A
Authority
CH
Switzerland
Prior art keywords
electro
layer
liquid crystal
nematic liquid
optic device
Prior art date
Application number
CH25074A
Other languages
German (de)
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH557041A publication Critical patent/CH557041A/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
    • G02F1/137—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
    • G02F1/1392—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 using a field-induced sign-reversal of the dielectric anisotropy

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal Substances (AREA)
CH25074A 1973-01-12 1974-01-09 Elektrooptische vorrichtung mit einer schicht aus einem nematischen fluessigen kristall. CH557041A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7300452A NL7300452A (enrdf_load_stackoverflow) 1973-01-12 1973-01-12

Publications (1)

Publication Number Publication Date
CH557041A true CH557041A (de) 1974-12-13

Family

ID=19818004

Family Applications (1)

Application Number Title Priority Date Filing Date
CH25074A CH557041A (de) 1973-01-12 1974-01-09 Elektrooptische vorrichtung mit einer schicht aus einem nematischen fluessigen kristall.

Country Status (6)

Country Link
JP (1) JPS5311463B2 (enrdf_load_stackoverflow)
CH (1) CH557041A (enrdf_load_stackoverflow)
FR (1) FR2214135B1 (enrdf_load_stackoverflow)
GB (1) GB1410161A (enrdf_load_stackoverflow)
IT (1) IT1004691B (enrdf_load_stackoverflow)
NL (1) NL7300452A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5412069B2 (enrdf_load_stackoverflow) * 1973-07-31 1979-05-19
US4231068A (en) * 1977-06-15 1980-10-28 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Optical screens
IT1143167B (it) * 1979-05-29 1986-10-22 Texas Instruments Inc Perfezionamento nei dispositivi di presentazione a cristalli liquidi e procedimento di fabbricazione
JPS57112793A (en) * 1980-12-29 1982-07-13 Suwa Seikosha Kk Liquid-crystal display device for automobile
GB8626966D0 (en) * 1986-11-12 1986-12-10 Gen Electric Co Plc Optical switch

Also Published As

Publication number Publication date
NL7300452A (enrdf_load_stackoverflow) 1974-07-16
JPS5311463B2 (enrdf_load_stackoverflow) 1978-04-21
FR2214135A1 (enrdf_load_stackoverflow) 1974-08-09
DE2364641B2 (de) 1977-04-21
DE2364641A1 (de) 1974-07-18
GB1410161A (en) 1975-10-15
JPS49105553A (enrdf_load_stackoverflow) 1974-10-05
IT1004691B (it) 1976-07-20
AU6434074A (en) 1975-07-10
FR2214135B1 (enrdf_load_stackoverflow) 1976-11-26

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Legal Events

Date Code Title Description
PL Patent ceased