GB8725021D0 - Ferroelectric liquid crystal cells - Google Patents

Ferroelectric liquid crystal cells

Info

Publication number
GB8725021D0
GB8725021D0 GB878725021A GB8725021A GB8725021D0 GB 8725021 D0 GB8725021 D0 GB 8725021D0 GB 878725021 A GB878725021 A GB 878725021A GB 8725021 A GB8725021 A GB 8725021A GB 8725021 D0 GB8725021 D0 GB 8725021D0
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
crystal cells
ferroelectric liquid
ferroelectric
cells
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
GB878725021A
Other versions
GB2196752A (en
GB2196752B (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
STC 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
Priority claimed from GB868625771A external-priority patent/GB8625771D0/en
Application filed by STC PLC filed Critical STC PLC
Priority to GB8725021A priority Critical patent/GB2196752B/en
Publication of GB8725021D0 publication Critical patent/GB8725021D0/en
Publication of GB2196752A publication Critical patent/GB2196752A/en
Application granted granted Critical
Publication of GB2196752B publication Critical patent/GB2196752B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02F1/141—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 ferroelectric liquid crystals
    • 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
GB8725021A 1986-10-28 1987-10-26 Ferroelectric liquid crystall cells Expired - Fee Related GB2196752B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8725021A GB2196752B (en) 1986-10-28 1987-10-26 Ferroelectric liquid crystall cells

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB868625771A GB8625771D0 (en) 1986-10-28 1986-10-28 Ferroelectric liquid crystal cells
GB868629904A GB8629904D0 (en) 1986-10-28 1986-12-15 Ferroelectric liquid crystal cells
GB8725021A GB2196752B (en) 1986-10-28 1987-10-26 Ferroelectric liquid crystall cells

Publications (3)

Publication Number Publication Date
GB8725021D0 true GB8725021D0 (en) 1987-12-02
GB2196752A GB2196752A (en) 1988-05-05
GB2196752B GB2196752B (en) 1990-10-17

Family

ID=27263191

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8725021A Expired - Fee Related GB2196752B (en) 1986-10-28 1987-10-26 Ferroelectric liquid crystall cells

Country Status (1)

Country Link
GB (1) GB2196752B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4561726A (en) * 1983-07-29 1985-12-31 At&T Bell Laboratories Alignment of ferroelectric LCDs

Also Published As

Publication number Publication date
GB2196752A (en) 1988-05-05
GB2196752B (en) 1990-10-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921026