DE2848555C2 - - Google Patents

Info

Publication number
DE2848555C2
DE2848555C2 DE19782848555 DE2848555A DE2848555C2 DE 2848555 C2 DE2848555 C2 DE 2848555C2 DE 19782848555 DE19782848555 DE 19782848555 DE 2848555 A DE2848555 A DE 2848555A DE 2848555 C2 DE2848555 C2 DE 2848555C2
Authority
DE
Germany
Prior art keywords
liquid crystal
display element
crystal display
element according
smectic
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
DE19782848555
Other languages
German (de)
English (en)
Other versions
DE2848555A1 (de
Inventor
William Alden Harlow Essex Gb Crossland
Joseph Hourigan Dunmow Essex Gb Morrissy
David Stortford Hertfordshire Gb Coates
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.)
STC PLC
Original Assignee
International Standard Electric Corp
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
Priority claimed from GB4682077A external-priority patent/GB1569687A/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of DE2848555A1 publication Critical patent/DE2848555A1/de
Application granted granted Critical
Publication of DE2848555C2 publication Critical patent/DE2848555C2/de
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
    • G02F1/01—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
    • G02F1/132—Thermal activation of liquid crystals exhibiting a thermo-optic effect
    • 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
    • G02F1/13781—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 using smectic liquid crystals

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 Substances (AREA)
DE19782848555 1977-11-10 1978-11-09 Speicherndes fluessigkristall-anzeigeelement Granted DE2848555A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4682077A GB1569687A (en) 1977-11-10 1977-11-10 Smectic display cell
GB4682078 1978-05-30

Publications (2)

Publication Number Publication Date
DE2848555A1 DE2848555A1 (de) 1979-11-29
DE2848555C2 true DE2848555C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-05-26

Family

ID=26265911

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782848555 Granted DE2848555A1 (de) 1977-11-10 1978-11-09 Speicherndes fluessigkristall-anzeigeelement

Country Status (1)

Country Link
DE (1) DE2848555A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4781441A (en) * 1983-11-25 1988-11-01 Canon Kabushiki Kaisha Method of controlling orientation of liquid crystal, device used therein and liquid crystal device produced thereby
JPS61249019A (ja) * 1985-04-26 1986-11-06 Canon Inc 液晶素子

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2279183A1 (fr) * 1974-07-16 1976-02-13 Commissariat Energie Atomique Dispositif d'affichage a cristaux liquides
FR2296197A1 (fr) * 1974-12-24 1976-07-23 Thomson Csf Procede et dispositif utilisant un effet thermo-optique dans une couche mince en phase smectique pour la reproduction d'images avec memoire
GB1557199A (en) * 1976-01-06 1979-12-05 Standard Telephones Cables Ltd Liquid crystal display cells
FR2373076A1 (fr) * 1976-12-03 1978-06-30 Thomson Csf Cellule a cristal liquide

Also Published As

Publication number Publication date
DE2848555A1 (de) 1979-11-29

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: G02F 1/137

8128 New person/name/address of the agent

Representative=s name: GRAF, G., DIPL.-ING., PAT.-ASS., 7000 STUTTGART

D2 Grant after examination
8327 Change in the person/name/address of the patent owner

Owner name: STC PLC, LONDON, GB

8328 Change in the person/name/address of the agent

Free format text: WALLACH, C., DIPL.-ING. KOCH, G., DIPL.-ING. HAIBACH, T., DIPL.-PHYS. DR.RER.NAT. FELDKAMP, R., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee