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GB2315877B - Liquid crystal alignment materials and devices - Google Patents

Liquid crystal alignment materials and devices

Info

Publication number
GB2315877B
GB2315877B GB9724101A GB9724101A GB2315877B GB 2315877 B GB2315877 B GB 2315877B GB 9724101 A GB9724101 A GB 9724101A GB 9724101 A GB9724101 A GB 9724101A GB 2315877 B GB2315877 B GB 2315877B
Authority
GB
United Kingdom
Prior art keywords
devices
liquid crystal
crystal alignment
alignment materials
materials
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 - Fee Related
Application number
GB9724101A
Other versions
GB2315877A (en
GB9724101D0 (en
Inventor
Julian Hollingshurst
John William Goodby
Ian Charles Sage
Guy Peter Bryan-Brown
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 GBGB9607059.4A external-priority patent/GB9607059D0/en
Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB9724101A priority Critical patent/GB2315877B/en
Publication of GB9724101D0 publication Critical patent/GB9724101D0/en
Publication of GB2315877A publication Critical patent/GB2315877A/en
Application granted granted Critical
Publication of GB2315877B publication Critical patent/GB2315877B/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
    • G02F1/133—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
    • 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
    • G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
    • G02F1/133788—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
GB9724101A 1996-04-03 1997-03-19 Liquid crystal alignment materials and devices Expired - Fee Related GB2315877B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9724101A GB2315877B (en) 1996-04-03 1997-03-19 Liquid crystal alignment materials and devices

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9607059.4A GB9607059D0 (en) 1996-04-03 1996-04-03 Liquid crystal alignment materials and devices
PCT/GB1997/000745 WO1997038349A1 (en) 1996-04-03 1997-03-19 Liquid crystal alignment materials and devices
GB9724101A GB2315877B (en) 1996-04-03 1997-03-19 Liquid crystal alignment materials and devices

Publications (3)

Publication Number Publication Date
GB9724101D0 GB9724101D0 (en) 1998-01-14
GB2315877A GB2315877A (en) 1998-02-11
GB2315877B true GB2315877B (en) 2000-10-04

Family

ID=26309056

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9724101A Expired - Fee Related GB2315877B (en) 1996-04-03 1997-03-19 Liquid crystal alignment materials and devices

Country Status (1)

Country Link
GB (1) GB2315877B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0611786A1 (en) * 1993-02-17 1994-08-24 F. Hoffmann-La Roche Ag Orientation layer for liquid crystals
DE4417409A1 (en) * 1993-05-20 1994-11-24 Gold Star Co Thermostable photopolymer material for alignment of liquid crystals
GB2281977A (en) * 1993-09-18 1995-03-22 Gold Star Co Orientation film for a liquid crystal display
EP0742471A2 (en) * 1995-05-10 1996-11-13 Stanley Electric Co., Ltd. Arrangement for rubbingless orientation of liquid crystals with tilt
GB2307240A (en) * 1995-11-20 1997-05-21 Lg Electronics Inc Siloxanes containing cinnamate groups for liquid crystal devices
GB2309539A (en) * 1995-12-08 1997-07-30 Lg Electronics Inc A method for manufacturing bend-aligned liquid crystal cell using light
GB2318881A (en) * 1995-09-29 1998-05-06 Secr Defence Polymers for liquid crystal alignment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0611786A1 (en) * 1993-02-17 1994-08-24 F. Hoffmann-La Roche Ag Orientation layer for liquid crystals
DE4417409A1 (en) * 1993-05-20 1994-11-24 Gold Star Co Thermostable photopolymer material for alignment of liquid crystals
GB2281977A (en) * 1993-09-18 1995-03-22 Gold Star Co Orientation film for a liquid crystal display
EP0742471A2 (en) * 1995-05-10 1996-11-13 Stanley Electric Co., Ltd. Arrangement for rubbingless orientation of liquid crystals with tilt
GB2318881A (en) * 1995-09-29 1998-05-06 Secr Defence Polymers for liquid crystal alignment
GB2307240A (en) * 1995-11-20 1997-05-21 Lg Electronics Inc Siloxanes containing cinnamate groups for liquid crystal devices
GB2309539A (en) * 1995-12-08 1997-07-30 Lg Electronics Inc A method for manufacturing bend-aligned liquid crystal cell using light

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Japanese Journal of Applied Physics vol.34 no. 8A pp.L1000-2 *

Also Published As

Publication number Publication date
GB2315877A (en) 1998-02-11
GB9724101D0 (en) 1998-01-14

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100319