FR2383494B1 - - Google Patents

Info

Publication number
FR2383494B1
FR2383494B1 FR7806680A FR7806680A FR2383494B1 FR 2383494 B1 FR2383494 B1 FR 2383494B1 FR 7806680 A FR7806680 A FR 7806680A FR 7806680 A FR7806680 A FR 7806680A FR 2383494 B1 FR2383494 B1 FR 2383494B1
Authority
FR
France
Prior art keywords
gel
film
liquid crystal
intended
produced
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
Application number
FR7806680A
Other languages
French (fr)
Other versions
FR2383494A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2383494A1 publication Critical patent/FR2383494A1/en
Application granted granted Critical
Publication of FR2383494B1 publication Critical patent/FR2383494B1/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
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Polarising Elements (AREA)

Abstract

The moulds for homogeneous alignment of the liquid crystal and for the polarisation filters are produced simultaneously. To this end, a gel (3) of a dichroic dye having a concentration of from 1 to 30 % by weight is applied to the surface of plates (1) intended for contact with the liquid crystal. The gel (3) is then subjected to mechanical treatment to produce a film (4) from the gel (3), a speed gradient of from 10<2> to 10<7> s<-1> being maintained according to the thickness of the film to be produced, after which the solvent is removed from the film (4). The process is preferably intended for the production of liquid-crystal cells for watches and pocket calculators.
FR7806680A 1977-03-09 1978-03-08 METHOD OF MANUFACTURING DEVICES FOR NEMATIC LIQUID CRYSTAL FILMS Granted FR2383494A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU772460057A SU697950A1 (en) 1977-03-09 1977-03-09 Method of manufacturing liquid crystal-based devices

Publications (2)

Publication Number Publication Date
FR2383494A1 FR2383494A1 (en) 1978-10-06
FR2383494B1 true FR2383494B1 (en) 1981-11-20

Family

ID=20698453

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7806680A Granted FR2383494A1 (en) 1977-03-09 1978-03-08 METHOD OF MANUFACTURING DEVICES FOR NEMATIC LIQUID CRYSTAL FILMS

Country Status (6)

Country Link
JP (1) JPS5439146A (en)
CH (1) CH624529GA3 (en)
DE (1) DE2809335C2 (en)
FR (1) FR2383494A1 (en)
NL (1) NL178629C (en)
SU (1) SU697950A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3027571C2 (en) * 1980-07-21 1985-03-07 Siemens AG, 1000 Berlin und 8000 München Liquid crystal display with an orienting and polarizing layer
GB2109123B (en) * 1981-09-14 1986-03-19 Sharp Kk Colour liquid crystal display devices
JPS6026303A (en) * 1983-07-22 1985-02-09 Alps Electric Co Ltd Production of liquid crystal display device
DE3727945A1 (en) * 1986-08-22 1988-02-25 Ricoh Kk LIQUID CRYSTAL ELEMENT
DE3837827A1 (en) * 1988-11-08 1990-05-10 Nokia Unterhaltungselektronik METHOD AND DEVICE FOR COATING A SUBSTRATE PLATE FOR A FLAT DISPLAY SCREEN
DE3837828A1 (en) * 1988-11-08 1990-05-10 Nokia Unterhaltungselektronik METHOD AND DEVICE FOR COATING A SUBSTRATE PLATE FOR A FLAT DISPLAY SCREEN
DE3904126A1 (en) * 1989-02-11 1990-08-16 Nokia Unterhaltungselektronik METHOD AND DEVICE FOR PRODUCING LIQUID CRYSTAL CELLS
RU2155978C2 (en) * 1998-10-28 2000-09-10 ОПТИВА, Инк. Dichroic polarizer and method for its manufacturing
US7015990B2 (en) 2000-04-24 2006-03-21 Nitto Denko Corporation Liquid crystal display including O-type and E-type polarizer
US6630289B1 (en) 2000-08-22 2003-10-07 The Hong Kong University Of Science And Technology Photo-patterned light polarizing films
JP2005284260A (en) * 2004-03-02 2005-10-13 Mitsubishi Chemicals Corp Anisotropic organic film, its manufacturing method, and polarizing film and polarizing element
EP1843198A1 (en) * 2006-03-03 2007-10-10 Université Laval Method and apparatus for spatially modulated electric field generation and electro-optical tuning using liquid crystals

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1873951A (en) * 1925-11-10 1932-08-30 Gen Electric Polarizers of light and a method of preparation
DE747882C (en) * 1938-09-09 1944-10-18 Dr Med Rudolf Degkwitz Process for producing non-monocrystalline, polarizing surfaces
FR2135940A5 (en) * 1971-02-09 1972-12-22 Int Liquid Xtal Co
US3731986A (en) * 1971-04-22 1973-05-08 Int Liquid Xtal Co Display devices utilizing liquid crystal light modulation
US3941901A (en) * 1974-02-15 1976-03-02 Hoffmann-La Roche Inc. Surface alignment method for liquid crystal cells and production of polarizers therefor
JPS5222898A (en) * 1975-08-14 1977-02-21 Toppan Printing Co Ltd Liquid crystal display unit

Also Published As

Publication number Publication date
JPS6232459B2 (en) 1987-07-15
CH624529B (en)
NL178629B (en) 1985-11-18
JPS5439146A (en) 1979-03-26
DE2809335A1 (en) 1978-09-21
SU697950A1 (en) 1979-11-15
NL7802569A (en) 1978-09-12
NL178629C (en) 1986-04-16
CH624529GA3 (en) 1981-08-14
DE2809335C2 (en) 1985-02-21
FR2383494A1 (en) 1978-10-06

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Legal Events

Date Code Title Description
ST Notification of lapse