FR2240763A1 - Uniformly oriented liq. crystal films prodn. - on substrate with polar centres on surface by pre-impregnation with amphiphilic cpd. - Google Patents

Uniformly oriented liq. crystal films prodn. - on substrate with polar centres on surface by pre-impregnation with amphiphilic cpd.

Info

Publication number
FR2240763A1
FR2240763A1 FR7428006A FR7428006A FR2240763A1 FR 2240763 A1 FR2240763 A1 FR 2240763A1 FR 7428006 A FR7428006 A FR 7428006A FR 7428006 A FR7428006 A FR 7428006A FR 2240763 A1 FR2240763 A1 FR 2240763A1
Authority
FR
France
Prior art keywords
cpd
polar
liq
prodn
amphiphilic
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
FR7428006A
Other languages
English (en)
French (fr)
Other versions
FR2240763B3 (de
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of FR2240763A1 publication Critical patent/FR2240763A1/fr
Application granted granted Critical
Publication of FR2240763B3 publication Critical patent/FR2240763B3/fr
Granted 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
    • G02F1/133719—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films with coupling agent molecules, e.g. silane
    • 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)
  • 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)
  • Laminated Bodies (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
FR7428006A 1973-08-13 1974-08-13 Uniformly oriented liq. crystal films prodn. - on substrate with polar centres on surface by pre-impregnation with amphiphilic cpd. Granted FR2240763A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732340853 DE2340853A1 (de) 1973-08-13 1973-08-13 Verfahren zum erzeugen von gleichfoermig orientierten schichten fluessigkristalliner phasen auf einem traegermaterial

Publications (2)

Publication Number Publication Date
FR2240763A1 true FR2240763A1 (en) 1975-03-14
FR2240763B3 FR2240763B3 (de) 1977-06-10

Family

ID=5889587

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7428006A Granted FR2240763A1 (en) 1973-08-13 1974-08-13 Uniformly oriented liq. crystal films prodn. - on substrate with polar centres on surface by pre-impregnation with amphiphilic cpd.

Country Status (5)

Country Link
JP (1) JPS5077052A (de)
DE (1) DE2340853A1 (de)
FR (1) FR2240763A1 (de)
IT (1) IT1019873B (de)
NL (1) NL7410673A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0274770A1 (de) * 1986-11-14 1988-07-20 Koninklijke Philips Electronics N.V. Anzeigeelement
EP0453966A2 (de) * 1990-04-21 1991-10-30 Hoechst Aktiengesellschaft Ferroelektrisches Flüssigkristalldisplay mit hohem Kontrast und hoher Helligkeit

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4015869A1 (de) * 1990-05-17 1991-11-21 Nokia Unterhaltungselektronik Hochaufloesende passiv angesteuerte fluessigkristallanzeige
DE4236734A1 (de) * 1992-10-30 1994-05-05 Licentia Gmbh Flüssigkristallzelle und Verfahren zu deren Herstellung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0274770A1 (de) * 1986-11-14 1988-07-20 Koninklijke Philips Electronics N.V. Anzeigeelement
EP0453966A2 (de) * 1990-04-21 1991-10-30 Hoechst Aktiengesellschaft Ferroelektrisches Flüssigkristalldisplay mit hohem Kontrast und hoher Helligkeit
EP0453966A3 (en) * 1990-04-21 1992-06-03 Hoechst Aktiengesellschaft Ferroelectric liquid crystal display with high contrast and high brightness
US5384168A (en) * 1990-04-21 1995-01-24 Hoechst Aktiengesellschaft Ferroelectric liquid-crystal display of high contrast and brightness

Also Published As

Publication number Publication date
DE2340853A1 (de) 1975-02-27
NL7410673A (nl) 1975-02-17
IT1019873B (it) 1977-11-30
JPS5077052A (de) 1975-06-24
FR2240763B3 (de) 1977-06-10

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Legal Events

Date Code Title Description
ST Notification of lapse