FR2180448A2 - - Google Patents

Info

Publication number
FR2180448A2
FR2180448A2 FR7213439A FR7213439A FR2180448A2 FR 2180448 A2 FR2180448 A2 FR 2180448A2 FR 7213439 A FR7213439 A FR 7213439A FR 7213439 A FR7213439 A FR 7213439A FR 2180448 A2 FR2180448 A2 FR 2180448A2
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
FR7213439A
Other languages
French (fr)
Other versions
FR2180448B2 (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.)
Thales SA
Original Assignee
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7213439A priority Critical patent/FR2180448B2/fr
Priority to GB1830673A priority patent/GB1396828A/en
Priority to JP48042272A priority patent/JPS4921167A/ja
Priority to DE2319442A priority patent/DE2319442A1/en
Publication of FR2180448A2 publication Critical patent/FR2180448A2/fr
Application granted granted Critical
Publication of FR2180448B2 publication Critical patent/FR2180448B2/fr
Priority to JP12424379A priority patent/JPS5562430A/en
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
    • G02F1/1393—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 the birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-LC cells
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n
    • 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
    • G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
    • G02F2413/02—Number of plates being 2
    • 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
    • G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
    • G02F2413/08—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates with a particular optical axis orientation

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
FR7213439A 1972-04-17 1972-04-17 Expired FR2180448B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7213439A FR2180448B2 (en) 1972-04-17 1972-04-17
GB1830673A GB1396828A (en) 1972-04-17 1973-04-16 Electrooptical modulations employing chromatic polarization
JP48042272A JPS4921167A (en) 1972-04-17 1973-04-16
DE2319442A DE2319442A1 (en) 1972-04-17 1973-04-17 ELECTRO-OPTIC MODULATOR
JP12424379A JPS5562430A (en) 1972-04-17 1979-09-28 Electrooptical modulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7213439A FR2180448B2 (en) 1972-04-17 1972-04-17

Publications (2)

Publication Number Publication Date
FR2180448A2 true FR2180448A2 (en) 1973-11-30
FR2180448B2 FR2180448B2 (en) 1974-12-20

Family

ID=9096980

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7213439A Expired FR2180448B2 (en) 1972-04-17 1972-04-17

Country Status (4)

Country Link
JP (2) JPS4921167A (en)
DE (1) DE2319442A1 (en)
FR (1) FR2180448B2 (en)
GB (1) GB1396828A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0000422A1 (en) * 1977-06-15 1979-01-24 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Cathode ray tube using a screen comprising an electro-optical substance

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50142193A (en) * 1974-05-02 1975-11-15
JPS5166628A (en) * 1974-12-03 1976-06-09 Kyozo Okabe Jidoshano kuratsuchisochi
JPS5251631A (en) * 1975-10-22 1977-04-25 Nissan Motor Co Ltd Hydraulic control device for transmission of industrial vehicle
JPS6020102Y2 (en) * 1977-05-12 1985-06-17 三菱電機株式会社 electro-optical device
JPS601303Y2 (en) * 1978-03-29 1985-01-16 自動車機器株式会社 Air servo device for clutch control
GB2028527B (en) * 1978-06-08 1982-11-24 American Liquid Xtal Chem Liquid crystal displays
JPS5692518A (en) * 1979-12-26 1981-07-27 Sharp Corp Liquid crystal display device
US4364639A (en) * 1980-08-25 1982-12-21 Northern Telecom Limited Variable attenuation electro-optic device
JPS58192017A (en) * 1982-05-06 1983-11-09 Nippon Telegr & Teleph Corp <Ntt> Optical switch
JPS602047U (en) * 1983-06-17 1985-01-09 株式会社神崎高級工機製作所 Marine propulsion system
FR2564605B1 (en) * 1984-05-18 1987-12-24 Commissariat Energie Atomique LIQUID CRYSTAL CELL CAPABLE OF PRESENTING A HOMEOTROPIC STRUCTURE, WITH BIREFRINGENCE COMPENSATED FOR THIS STRUCTURE
GB2171549B (en) * 1985-02-15 1988-05-18 Citizen Watch Co Ltd Liquid crystal display device
DE3605516A1 (en) * 1985-02-21 1986-09-04 Canon K.K., Tokio/Tokyo OPTICAL FUNCTIONAL ELEMENT AND OPTICAL FUNCTIONAL DEVICE
US4674841A (en) * 1985-03-08 1987-06-23 Tektronix, Inc. Color filter switchable among three state via a variable retarder
FR2595156B1 (en) * 1986-02-28 1988-04-29 Commissariat Energie Atomique LIQUID CRYSTAL CELL USING ELECTRICALLY CONTROLLED BIREFRINGENCE EFFECT AND METHODS OF MANUFACTURING THE CELL AND A UNIAXIC NEGATIVE ANISOTROPY ANISOTROPY MEDIUM FOR USE THEREIN
US4726663A (en) * 1986-11-14 1988-02-23 Tektronix, Inc. Switchable color filter with enhanced transmissivity
JPH01207716A (en) * 1988-02-16 1989-08-21 Seiko Instr & Electron Ltd Device for projecting polarized image
JPH03132624A (en) * 1989-10-18 1991-06-06 Stanley Electric Co Ltd Liquid crystal display element
US5583678A (en) * 1993-03-12 1996-12-10 Casio Computer Co., Ltd. Color liquid crystal display apparatus
US6295109B1 (en) 1997-12-26 2001-09-25 Sharp Kabushiki Kaisha LCD with plurality of pixels having reflective and transmissive regions
EP1074875A4 (en) 1998-10-28 2006-07-26 Dainippon Printing Co Ltd Liquid crystal display
JP4882140B2 (en) * 1999-06-25 2012-02-22 日本電気株式会社 Multi-domain liquid crystal display device
KR100379287B1 (en) * 1999-06-25 2003-04-10 닛뽄덴끼 가부시끼가이샤 Multi domain LCD device
JP2002040428A (en) * 1999-09-28 2002-02-06 Stanley Electric Co Ltd Liquid crystal display device
JP4665138B2 (en) * 2000-02-10 2011-04-06 スタンレー電気株式会社 Liquid crystal display device
JP2001318371A (en) * 2000-05-08 2001-11-16 Toshiba Corp Liquid crystal display device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1551351A (en) * 1967-01-16 1968-12-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1551351A (en) * 1967-01-16 1968-12-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0000422A1 (en) * 1977-06-15 1979-01-24 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Cathode ray tube using a screen comprising an electro-optical substance

Also Published As

Publication number Publication date
JPS5562430A (en) 1980-05-10
FR2180448B2 (en) 1974-12-20
JPS4921167A (en) 1974-02-25
GB1396828A (en) 1975-06-04
DE2319442A1 (en) 1973-10-31

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