DE69008951T2 - Ferroelektrisches Flüssigkristallelement. - Google Patents

Ferroelektrisches Flüssigkristallelement.

Info

Publication number
DE69008951T2
DE69008951T2 DE1990608951 DE69008951T DE69008951T2 DE 69008951 T2 DE69008951 T2 DE 69008951T2 DE 1990608951 DE1990608951 DE 1990608951 DE 69008951 T DE69008951 T DE 69008951T DE 69008951 T2 DE69008951 T2 DE 69008951T2
Authority
DE
Germany
Prior art keywords
liquid crystal
crystal element
ferroelectric liquid
ferroelectric
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
DE1990608951
Other languages
English (en)
Other versions
DE69008951D1 (de
Inventor
Yuvraj Singh Negi
Yoshiichi Suzuki
Ichiro Kawamura
Yoshio Imai
Norio Yamamoto
Yuichiro Yamada
Kahoru Mori
Koji Nakamura
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.)
Showa Shell Sekiyu KK
Original Assignee
Showa Shell Sekiyu KK
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 JP34047089A external-priority patent/JP2942577B2/ja
Application filed by Showa Shell Sekiyu KK filed Critical Showa Shell Sekiyu KK
Publication of DE69008951D1 publication Critical patent/DE69008951D1/de
Application granted granted Critical
Publication of DE69008951T2 publication Critical patent/DE69008951T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/14—Polyamide-imides
    • 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
    • G02F1/133723—Polyimide, polyamide-imide

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Liquid Crystal (AREA)
DE1990608951 1989-07-18 1990-07-18 Ferroelektrisches Flüssigkristallelement. Expired - Fee Related DE69008951T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP18579389 1989-07-18
JP34047089A JP2942577B2 (ja) 1989-07-18 1989-12-27 強誘電性液晶素子

Publications (2)

Publication Number Publication Date
DE69008951D1 DE69008951D1 (de) 1994-06-23
DE69008951T2 true DE69008951T2 (de) 1994-09-29

Family

ID=26503329

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1990608951 Expired - Fee Related DE69008951T2 (de) 1989-07-18 1990-07-18 Ferroelektrisches Flüssigkristallelement.

Country Status (2)

Country Link
EP (1) EP0409194B1 (de)
DE (1) DE69008951T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2814157B2 (ja) * 1991-11-08 1998-10-22 キヤノン株式会社 カイラルスメクチック液晶素子
AT398770B (de) * 1992-09-17 1995-01-25 Chemie Linz Gmbh Thermostabile polyimide und polyamidimide mit modifizierten benzhydrolstrukturelementen und deren herstellung
DE69315676T2 (de) * 1992-12-28 1998-07-16 Hoechst Ag Flüssigkristallanzeigevorrichtung
KR100847464B1 (ko) * 2007-03-02 2008-07-21 제일모직주식회사 액정배향제　및 이를 이용하여 제조된 액정배향막
KR100882586B1 (ko) 2007-10-10 2009-02-13 제일모직주식회사 액정 광배향제, 이를 포함하는 액정 광배향막, 및 이를포함하는 액정 표시 장치

Also Published As

Publication number Publication date
EP0409194A1 (de) 1991-01-23
EP0409194B1 (de) 1994-05-18
DE69008951D1 (de) 1994-06-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee