FR2191137B1 - - Google Patents

Info

Publication number
FR2191137B1
FR2191137B1 FR7323915A FR7323915A FR2191137B1 FR 2191137 B1 FR2191137 B1 FR 2191137B1 FR 7323915 A FR7323915 A FR 7323915A FR 7323915 A FR7323915 A FR 7323915A FR 2191137 B1 FR2191137 B1 FR 2191137B1
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.)
Expired
Application number
FR7323915A
Other languages
French (fr)
Other versions
FR2191137A1 (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.)
Electrovac AG
Original Assignee
Electrovac 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 Electrovac AG filed Critical Electrovac AG
Publication of FR2191137A1 publication Critical patent/FR2191137A1/fr
Application granted granted Critical
Publication of FR2191137B1 publication Critical patent/FR2191137B1/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
    • G02F1/1341—Filling or closing of cells

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR7323915A 1972-07-03 1973-06-29 Expired FR2191137B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT571472A AT314628B (en) 1972-07-03 1972-07-03 Liquid crystal cell

Publications (2)

Publication Number Publication Date
FR2191137A1 FR2191137A1 (en) 1974-02-01
FR2191137B1 true FR2191137B1 (en) 1978-07-21

Family

ID=3578855

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7323915A Expired FR2191137B1 (en) 1972-07-03 1973-06-29

Country Status (5)

Country Link
AT (1) AT314628B (en)
DE (1) DE2331567B2 (en)
FR (1) FR2191137B1 (en)
GB (1) GB1381077A (en)
IT (1) IT986609B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2548743C2 (en) * 1974-11-05 1984-11-22 Rca Corp., New York, N.Y. Method for sealing a liquid crystal cell
JPS526545A (en) * 1975-07-04 1977-01-19 Hitachi Ltd Method of manufacturing liquid crystal display element
US4037930A (en) * 1976-04-05 1977-07-26 Hitachi, Ltd. Liquid crystal display cells
US4056306A (en) * 1976-09-13 1977-11-01 Hitachi, Ltd. Liquid crystal display device and method of manufacturing the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3650603A (en) * 1967-12-05 1972-03-21 Rca Corp Liquid crystal light valve containing a mixture of nematic and cholesteric materials in which the light scattering effect is reduced when an electric field is applied
CH697470A4 (en) * 1970-05-11 1972-08-31
AT307522B (en) * 1970-12-21 1973-05-25 Electrovac Liquid crystal cell and process for their manufacture
AT305392B (en) * 1971-02-04 1973-02-26 Electrovac Liquid crystal cell
US3751137A (en) * 1971-10-18 1973-08-07 Rockwell International Corp Liquid crystal display device

Also Published As

Publication number Publication date
GB1381077A (en) 1975-01-22
DE2331567B2 (en) 1977-10-13
AT314628B (en) 1974-04-10
FR2191137A1 (en) 1974-02-01
IT986609B (en) 1975-01-30
DE2331567A1 (en) 1974-01-24

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Legal Events

Date Code Title Description
ST Notification of lapse