CH611043A5 - - Google Patents

Info

Publication number
CH611043A5
CH611043A5 CH71677A CH71677A CH611043A5 CH 611043 A5 CH611043 A5 CH 611043A5 CH 71677 A CH71677 A CH 71677A CH 71677 A CH71677 A CH 71677A CH 611043 A5 CH611043 A5 CH 611043A5
Authority
CH
Switzerland
Application number
CH71677A
Inventor
Fereydoun Gharadjedaghi
Yves Ruedin
Rene Viennet
Original Assignee
Ebauches Sa
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 Ebauches Sa filed Critical Ebauches Sa
Priority to CH71677A priority Critical patent/CH611043A5/xx
Priority to DE19772722389 priority patent/DE2722389A1/de
Priority to FR7738016A priority patent/FR2378326A1/fr
Priority to US05/869,581 priority patent/US4207671A/en
Priority to GB1763/78A priority patent/GB1553812A/en
Priority to JP513278A priority patent/JPS53106064A/ja
Publication of CH611043A5 publication Critical patent/CH611043A5/xx

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
    • G02F1/133734—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by obliquely evaporated films, e.g. Si or SiO2 films
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making

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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
CH71677A 1977-01-21 1977-01-21 CH611043A5 (no)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH71677A CH611043A5 (no) 1977-01-21 1977-01-21
DE19772722389 DE2722389A1 (de) 1977-01-21 1977-05-13 Verfahren zur herstellung einer passiven elektrooptischen anzeigezelle mit nematischem fluessigkristall in schraubenform
FR7738016A FR2378326A1 (fr) 1977-01-21 1977-12-16 Procede de fabrication d'une cellule d'affichage electro-optique passif a cristal liquide nematique en helice et cellule d'affichage electro-optique passif obtenue par la mise en oeuvre de ce procede
US05/869,581 US4207671A (en) 1977-01-21 1978-01-16 Method of manufacture of a passive electro-optic display cell having an helicoidal nematic liquid crystal and passive electro-optic display cell obtained by carrying out this method
GB1763/78A GB1553812A (en) 1977-01-21 1978-01-17 Liquid crystal alignment
JP513278A JPS53106064A (en) 1977-01-21 1978-01-20 Passive electrical optical indicating pipe and method of manufacturing thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH71677A CH611043A5 (no) 1977-01-21 1977-01-21

Publications (1)

Publication Number Publication Date
CH611043A5 true CH611043A5 (no) 1979-05-15

Family

ID=4193499

Family Applications (1)

Application Number Title Priority Date Filing Date
CH71677A CH611043A5 (no) 1977-01-21 1977-01-21

Country Status (6)

Country Link
US (1) US4207671A (no)
JP (1) JPS53106064A (no)
CH (1) CH611043A5 (no)
DE (1) DE2722389A1 (no)
FR (1) FR2378326A1 (no)
GB (1) GB1553812A (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4618514A (en) * 1985-12-20 1986-10-21 Rca Corporation Alignment layer for liquid crystal display
US5172255A (en) * 1989-10-06 1992-12-15 Nokia Unterhaltungselektronik (Deutschland) Gmbh Process for increasing pretilt angles in nematic liquid crystal cells

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3700306A (en) * 1971-09-22 1972-10-24 Ncr Co Electro-optic shutter having a thin glass or silicon oxide layer between the electrodes and the liquid crystal
US3930716A (en) * 1972-03-31 1976-01-06 Commissariat A L'energie Atomique Method of collecting orientation of the molecules of a liquid crystal and a liquid-crystal cell for carrying out said method
US3834792A (en) * 1972-04-10 1974-09-10 Ncr Alignment film for a liquid crystal display cell
US3963324A (en) * 1972-05-08 1976-06-15 Hoffmann-La Roche Inc. Liquid crystal display assembly
JPS5435779B2 (no) * 1974-06-10 1979-11-05
US3853391A (en) * 1973-12-21 1974-12-10 Rca Corp Fabrication of liquid crystal devices
GB1478592A (en) * 1974-03-01 1977-07-06 Secr Defence Liquid crystal devices
US4084884A (en) * 1974-02-21 1978-04-18 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Liquid crystal devices
US3966305A (en) * 1974-10-10 1976-06-29 American Micro-Systems, Inc. Liquid crystal cell with improved alignment
JPS5947287B2 (ja) * 1975-03-31 1984-11-17 シャープ株式会社 ツイストネマテイツク液晶表示素子の製造方法
US3967883A (en) * 1975-05-22 1976-07-06 Rca Corporation Liquid crystal devices of the surface aligned type

Also Published As

Publication number Publication date
DE2722389A1 (de) 1978-07-27
JPS53106064A (en) 1978-09-14
US4207671A (en) 1980-06-17
FR2378326A1 (fr) 1978-08-18
GB1553812A (en) 1979-10-10
FR2378326B1 (no) 1982-04-30

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Legal Events

Date Code Title Description
PL Patent ceased