DE2722389A1 - Verfahren zur herstellung einer passiven elektrooptischen anzeigezelle mit nematischem fluessigkristall in schraubenform - Google Patents

Verfahren zur herstellung einer passiven elektrooptischen anzeigezelle mit nematischem fluessigkristall in schraubenform

Info

Publication number
DE2722389A1
DE2722389A1 DE19772722389 DE2722389A DE2722389A1 DE 2722389 A1 DE2722389 A1 DE 2722389A1 DE 19772722389 DE19772722389 DE 19772722389 DE 2722389 A DE2722389 A DE 2722389A DE 2722389 A1 DE2722389 A1 DE 2722389A1
Authority
DE
Germany
Prior art keywords
plate
evaporation
liquid crystal
angle
silicon oxide
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.)
Withdrawn
Application number
DE19772722389
Other languages
German (de)
English (en)
Inventor
Fereydoun Gharadjedaghi
Yves Ruedin
Rene Viennet
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.)
Ebauches SA
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
Publication of DE2722389A1 publication Critical patent/DE2722389A1/de
Withdrawn legal-status Critical Current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
    • G02F1/133734—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)
DE19772722389 1977-01-21 1977-05-13 Verfahren zur herstellung einer passiven elektrooptischen anzeigezelle mit nematischem fluessigkristall in schraubenform Withdrawn DE2722389A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH71677A CH611043A5 (US06272168-20010807-M00014.png) 1977-01-21 1977-01-21

Publications (1)

Publication Number Publication Date
DE2722389A1 true DE2722389A1 (de) 1978-07-27

Family

ID=4193499

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772722389 Withdrawn DE2722389A1 (de) 1977-01-21 1977-05-13 Verfahren zur herstellung einer passiven elektrooptischen anzeigezelle mit nematischem fluessigkristall in schraubenform

Country Status (6)

Country Link
US (1) US4207671A (US06272168-20010807-M00014.png)
JP (1) JPS53106064A (US06272168-20010807-M00014.png)
CH (1) CH611043A5 (US06272168-20010807-M00014.png)
DE (1) DE2722389A1 (US06272168-20010807-M00014.png)
FR (1) FR2378326A1 (US06272168-20010807-M00014.png)
GB (1) GB1553812A (US06272168-20010807-M00014.png)

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 (US06272168-20010807-M00014.png) * 1974-06-10 1979-11-05
US3853391A (en) * 1973-12-21 1974-12-10 Rca Corp Fabrication of 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
GB1478592A (en) * 1974-03-01 1977-07-06 Secr Defence 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
JPS53106064A (en) 1978-09-14
CH611043A5 (US06272168-20010807-M00014.png) 1979-05-15
GB1553812A (en) 1979-10-10
US4207671A (en) 1980-06-17
FR2378326B1 (US06272168-20010807-M00014.png) 1982-04-30
FR2378326A1 (fr) 1978-08-18

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Legal Events

Date Code Title Description
OAM Search report available
OC Search report available
8139 Disposal/non-payment of the annual fee