FR2179841A1 - - Google Patents

Info

Publication number
FR2179841A1
FR2179841A1 FR7312599A FR7312599A FR2179841A1 FR 2179841 A1 FR2179841 A1 FR 2179841A1 FR 7312599 A FR7312599 A FR 7312599A FR 7312599 A FR7312599 A FR 7312599A FR 2179841 A1 FR2179841 A1 FR 2179841A1
Authority
FR
France
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
FR7312599A
Other languages
French (fr)
Other versions
FR2179841B1 (pt
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.)
NCR Voyix Corp
National Cash Register Co
Original Assignee
NCR Corp
National Cash Register Co
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 NCR Corp, National Cash Register Co filed Critical NCR Corp
Publication of FR2179841A1 publication Critical patent/FR2179841A1/fr
Application granted granted Critical
Publication of FR2179841B1 publication Critical patent/FR2179841B1/fr
Expired 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

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)
FR7312599A 1972-04-10 1973-04-09 Expired FR2179841B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24267572A 1972-04-10 1972-04-10

Publications (2)

Publication Number Publication Date
FR2179841A1 true FR2179841A1 (pt) 1973-11-23
FR2179841B1 FR2179841B1 (pt) 1978-12-29

Family

ID=22915757

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7312599A Expired FR2179841B1 (pt) 1972-04-10 1973-04-09

Country Status (5)

Country Link
JP (2) JPS5412067B2 (pt)
CA (1) CA991735A (pt)
DE (1) DE2316996C3 (pt)
FR (1) FR2179841B1 (pt)
GB (1) GB1388077A (pt)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2294223A1 (fr) * 1974-12-13 1976-07-09 Dainippon Toryo Kk Element electro-optique a cristal liquide
FR2312046A1 (fr) * 1975-05-22 1976-12-17 Rca Corp Procede pour la realisation de dispositifs a cristaux liquides du type a alignement de surface

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA991735A (en) * 1972-04-10 1976-06-22 Ncr Corporation Alignment film for a liquid crystal display cell and method of making same
JPS4976543A (pt) * 1972-11-03 1974-07-24
JPS5140898A (ja) * 1974-10-04 1976-04-06 Gen Corp Tsuisutonemateitsukuekishonyoru koteipataanno sakuseiho
GB1520802A (en) * 1975-02-10 1978-08-09 Standard Telephones Cables Ltd Alignment of dichromophores
JPS51104842A (ja) * 1975-03-13 1976-09-17 Hoya Lens Co Ltd Ekishoserudenkyoku
DE2527485C2 (de) * 1975-06-20 1985-06-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektrisch steuerbares Anzeigeelement
JPS52148150A (en) * 1976-06-04 1977-12-09 Hitachi Ltd Liquid crystal display unit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2544659A (en) * 1946-05-14 1951-03-13 John F Dreyer Dichroic light-polarizing sheet materials and the like and the formation and use thereof
US3353895A (en) * 1962-04-16 1967-11-21 Polaroid Corp Light polarizer comprising filamentous particles on surface of transparent sheet and method of making same
US3391022A (en) * 1965-05-25 1968-07-02 Sony Corp Photoconductive layer and method of making the same
US3592526A (en) * 1969-07-15 1971-07-13 John F Dreyer Means for rotating the polarization plane of light and for converting polarized light to nonpolarized light
CH539130A (de) * 1970-02-27 1973-08-31 Egyesuelt Izzolampa Verfahren zur Aufdampfung von Schichten durch Vakuumaufdampfen
US3612654A (en) * 1970-05-27 1971-10-12 Rca Corp Liquid crystal display device
CA991735A (en) * 1972-04-10 1976-06-22 Ncr Corporation Alignment film for a liquid crystal display cell and method of making same

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
J.L. JANNING THIS FILM SURFACE ORIENTATION FOR LIQUID CRYSTALS') *
REVUE US 'APPLIED PHYSUCS LETTERS'VOLUME 21, NO. 4, 15 AOUT 1972, PAGES 173-174, ARTICLE DE *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2294223A1 (fr) * 1974-12-13 1976-07-09 Dainippon Toryo Kk Element electro-optique a cristal liquide
FR2312046A1 (fr) * 1975-05-22 1976-12-17 Rca Corp Procede pour la realisation de dispositifs a cristaux liquides du type a alignement de surface

Also Published As

Publication number Publication date
DE2316996B2 (de) 1979-10-18
GB1388077A (en) 1975-03-19
CA991735A (en) 1976-06-22
FR2179841B1 (pt) 1978-12-29
JPS5412067B2 (pt) 1979-05-19
DE2316996A1 (de) 1973-10-25
JPS534558A (en) 1978-01-17
DE2316996C3 (de) 1984-05-24
JPS4917746A (pt) 1974-02-16

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property