GB1569687A - Smectic display cell - Google Patents

Smectic display cell Download PDF

Info

Publication number
GB1569687A
GB1569687A GB4682077A GB4682077A GB1569687A GB 1569687 A GB1569687 A GB 1569687A GB 4682077 A GB4682077 A GB 4682077A GB 4682077 A GB4682077 A GB 4682077A GB 1569687 A GB1569687 A GB 1569687A
Authority
GB
United Kingdom
Prior art keywords
smectic
layer
cell
display cell
dielectric anisotropy
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
GB4682077A
Other languages
English (en)
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
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB4682077A priority Critical patent/GB1569687A/en
Priority to US05/955,869 priority patent/US4291948A/en
Priority to NL7810857A priority patent/NL7810857A/xx
Priority to DE19782848555 priority patent/DE2848555A1/de
Priority to IT29607/78A priority patent/IT1202798B/it
Priority to CH1157078A priority patent/CH637487A5/de
Priority to JP53137991A priority patent/JPS5952406B2/ja
Priority to FR7831791A priority patent/FR2408884A1/fr
Publication of GB1569687A publication Critical patent/GB1569687A/en
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
    • G02F1/137—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)
GB4682077A 1977-11-10 1977-11-10 Smectic display cell Expired GB1569687A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
GB4682077A GB1569687A (en) 1977-11-10 1977-11-10 Smectic display cell
US05/955,869 US4291948A (en) 1977-11-10 1978-10-30 Liquid crystal display incorporating positive and negative smectic material
NL7810857A NL7810857A (nl) 1977-11-10 1978-11-01 Vloeibaarkristal weergavecel.
DE19782848555 DE2848555A1 (de) 1977-11-10 1978-11-09 Speicherndes fluessigkristall-anzeigeelement
IT29607/78A IT1202798B (it) 1977-11-10 1978-11-09 Cella di visualizzazione a cristalli liquidi a elettrodi interni
CH1157078A CH637487A5 (en) 1977-11-10 1978-11-10 Memorising liquid-crystal display element
JP53137991A JPS5952406B2 (ja) 1977-11-10 1978-11-10 スメクチツク液晶表示セル
FR7831791A FR2408884A1 (fr) 1977-11-10 1978-11-10 Cellule d'affichage a cristaux liquides nematiques

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1569687A true GB1569687A (en) 1980-06-18

Family

ID=10442711

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4682077A Expired GB1569687A (en) 1977-11-10 1977-11-10 Smectic display cell

Country Status (4)

Country Link
CH (1) CH637487A5 (enrdf_load_stackoverflow)
FR (1) FR2408884A1 (enrdf_load_stackoverflow)
GB (1) GB1569687A (enrdf_load_stackoverflow)
NL (1) NL7810857A (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2189767B1 (enrdf_load_stackoverflow) * 1972-06-23 1976-06-11 Western Electric Co
US4009934A (en) * 1974-01-11 1977-03-01 Eastman Kodak Company Electro-optic display devices and methods
GB1506256A (en) * 1975-08-21 1978-04-05 Standard Telephones Cables Ltd Temperature sensitive switch

Also Published As

Publication number Publication date
NL7810857A (nl) 1979-05-14
FR2408884B1 (enrdf_load_stackoverflow) 1984-09-21
CH637487A5 (en) 1983-07-29
FR2408884A1 (fr) 1979-06-08

Similar Documents

Publication Publication Date Title
US4291948A (en) Liquid crystal display incorporating positive and negative smectic material
US4139273A (en) Method for preparing and operating a smectic liquid crystal display cell having indefinite storage properties
CA1206568A (en) Electrothermal matrix addressable liquid crystal display
CA1173545A (en) Thermally addressed cholesteric-smectic liquid crystal device
US4832462A (en) Liquid crystal devices
JPS5887535A (ja) 液晶表示装置
JPS6151130A (ja) 液晶セルを有する光学システム、その動作方法およびその用途
JP2005070729A (ja) 双安定キラルスプレーネマチック液晶表示装置
Di Pietro et al. Thermally-induced nonlinear spatial shaping of infrared femtosecond pulses in nematic liquid crystals
GB2166258A (en) Two dimensional optical information processing apparatus
IE904328A1 (en) Use of complex ligands for ions in ferroelectric¹liquidcrystal mixtures
GB1569687A (en) Smectic display cell
CA1191587A (en) Thermally addressed liquid crystal device
US5539553A (en) Liquid crystal device with an electrically neutral interface between the liquid crystal and orientation layer
GB1569688A (en) Smectic display cell
JPS6235655B2 (enrdf_load_stackoverflow)
Hikmet In situ observation of smectic layer reorientation during the switching of a ferroelectric liquid crystal
GB1569690A (en) Crossover smectic cell
US4106853A (en) Method and apparatus for increasing contrast ratio of the stored image in a storage mode light valve
JPS6228717A (ja) 液晶表示装置の駆動方法
EP0271344B1 (en) Liquid crystal display element and method for driving same
Coates Smectic A LCDs
JPH02154229A (ja) 液晶ライトバルブ及び液晶ライトバルブの駆動方法
Parfenov Deformation of ferroelectric short-pitch helical liquid crystal by transverse electric field: application for diffraction-based light modulator
JPS6113225A (ja) 液晶ライトバルブ

Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930530