FR2214135B1 - - Google Patents

Info

Publication number
FR2214135B1
FR2214135B1 FR7400559A FR7400559A FR2214135B1 FR 2214135 B1 FR2214135 B1 FR 2214135B1 FR 7400559 A FR7400559 A FR 7400559A FR 7400559 A FR7400559 A FR 7400559A FR 2214135 B1 FR2214135 B1 FR 2214135B1
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
FR7400559A
Other languages
French (fr)
Other versions
FR2214135A1 (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2214135A1 publication Critical patent/FR2214135A1/fr
Application granted granted Critical
Publication of FR2214135B1 publication Critical patent/FR2214135B1/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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1392—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using a field-induced sign-reversal of the dielectric anisotropy

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal Substances (AREA)
FR7400559A 1973-01-12 1974-01-08 Expired FR2214135B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7300452A NL7300452A (en) 1973-01-12 1973-01-12

Publications (2)

Publication Number Publication Date
FR2214135A1 FR2214135A1 (en) 1974-08-09
FR2214135B1 true FR2214135B1 (en) 1976-11-26

Family

ID=19818004

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7400559A Expired FR2214135B1 (en) 1973-01-12 1974-01-08

Country Status (6)

Country Link
JP (1) JPS5311463B2 (en)
CH (1) CH557041A (en)
FR (1) FR2214135B1 (en)
GB (1) GB1410161A (en)
IT (1) IT1004691B (en)
NL (1) NL7300452A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5412069B2 (en) * 1973-07-31 1979-05-19
US4231068A (en) * 1977-06-15 1980-10-28 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Optical screens
GB2052779B (en) * 1979-05-29 1983-06-22 Texas Instruments Inc Liquid crystal display cell
JPS57112793A (en) * 1980-12-29 1982-07-13 Suwa Seikosha Kk Liquid-crystal display device for automobile
GB8626966D0 (en) * 1986-11-12 1986-12-10 Gen Electric Co Plc Optical switch

Also Published As

Publication number Publication date
NL7300452A (en) 1974-07-16
CH557041A (en) 1974-12-13
GB1410161A (en) 1975-10-15
JPS49105553A (en) 1974-10-05
DE2364641A1 (en) 1974-07-18
IT1004691B (en) 1976-07-20
FR2214135A1 (en) 1974-08-09
AU6434074A (en) 1975-07-10
DE2364641B2 (en) 1977-04-21
JPS5311463B2 (en) 1978-04-21

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Legal Events

Date Code Title Description
ST Notification of lapse