FR2762915B1 - Cellule comprenant une plaque a ancrage controle pour cristaux liquides nematiques et procede de realisation d'une telle plaque - Google Patents

Cellule comprenant une plaque a ancrage controle pour cristaux liquides nematiques et procede de realisation d'une telle plaque

Info

Publication number
FR2762915B1
FR2762915B1 FR9705466A FR9705466A FR2762915B1 FR 2762915 B1 FR2762915 B1 FR 2762915B1 FR 9705466 A FR9705466 A FR 9705466A FR 9705466 A FR9705466 A FR 9705466A FR 2762915 B1 FR2762915 B1 FR 2762915B1
Authority
FR
France
Prior art keywords
plate
cell
producing
liquid crystals
nematic liquid
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
FR9705466A
Other languages
English (en)
Other versions
FR2762915A1 (fr
Inventor
Riccardo Cristoforo Barberi
Roberto Bartolino
Michele Giocondo
Maria Iovane
Lonescu Anca Luisa Alexe
Jean Jacques Bonvent
Martin Schadt
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.)
Istituto Nazionale per la Fisica della Materia INFM CNR
Original Assignee
Istituto Nazionale per la Fisica della Materia INFM CNR
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 Istituto Nazionale per la Fisica della Materia INFM CNR filed Critical Istituto Nazionale per la Fisica della Materia INFM CNR
Priority to FR9705466A priority Critical patent/FR2762915B1/fr
Priority to JP10547773A priority patent/JP2000513836A/ja
Priority to PCT/FR1998/000878 priority patent/WO1998050820A1/fr
Priority to EP98922910A priority patent/EP0910812A1/fr
Publication of FR2762915A1 publication Critical patent/FR2762915A1/fr
Application granted granted Critical
Publication of FR2762915B1 publication Critical patent/FR2762915B1/fr
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
    • G02F1/1391—Bistable or multi-stable liquid crystal cells
    • 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
    • G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
    • 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
    • G02F1/133734—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by obliquely evaporated films, e.g. Si or SiO2 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)
FR9705466A 1997-05-02 1997-05-02 Cellule comprenant une plaque a ancrage controle pour cristaux liquides nematiques et procede de realisation d'une telle plaque Expired - Fee Related FR2762915B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9705466A FR2762915B1 (fr) 1997-05-02 1997-05-02 Cellule comprenant une plaque a ancrage controle pour cristaux liquides nematiques et procede de realisation d'une telle plaque
JP10547773A JP2000513836A (ja) 1997-05-02 1998-04-30 ネマチック液晶用の制御された束縛プレートを備えたセルとこのプレートの作製方法
PCT/FR1998/000878 WO1998050820A1 (fr) 1997-05-02 1998-04-30 Cellule comprenant une plaque a ancrage controle pour cristaux liquides nematiques et procede de realisation d'une telle plaque
EP98922910A EP0910812A1 (fr) 1997-05-02 1998-04-30 Cellule comprenant une plaque a ancrage controle pour cristaux liquides nematiques et procede de realisation d'une telle plaque

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9705466A FR2762915B1 (fr) 1997-05-02 1997-05-02 Cellule comprenant une plaque a ancrage controle pour cristaux liquides nematiques et procede de realisation d'une telle plaque

Publications (2)

Publication Number Publication Date
FR2762915A1 FR2762915A1 (fr) 1998-11-06
FR2762915B1 true FR2762915B1 (fr) 1999-07-16

Family

ID=9506554

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9705466A Expired - Fee Related FR2762915B1 (fr) 1997-05-02 1997-05-02 Cellule comprenant une plaque a ancrage controle pour cristaux liquides nematiques et procede de realisation d'une telle plaque

Country Status (4)

Country Link
EP (1) EP0910812A1 (fr)
JP (1) JP2000513836A (fr)
FR (1) FR2762915B1 (fr)
WO (1) WO1998050820A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02103018A (ja) * 1988-10-12 1990-04-16 Ricoh Co Ltd 強誘電性液晶素子
JPH04136915A (ja) * 1990-09-28 1992-05-11 Matsushita Electric Ind Co Ltd 液晶素子
GB9402513D0 (en) * 1994-02-09 1994-03-30 Secr Defence Bistable nematic liquid crystal device

Also Published As

Publication number Publication date
EP0910812A1 (fr) 1999-04-28
FR2762915A1 (fr) 1998-11-06
JP2000513836A (ja) 2000-10-17
WO1998050820A1 (fr) 1998-11-12

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080131