AU2002364683A1 - Device for the generation of thermal images by modulation using liquid crystals - Google Patents

Device for the generation of thermal images by modulation using liquid crystals

Info

Publication number
AU2002364683A1
AU2002364683A1 AU2002364683A AU2002364683A AU2002364683A1 AU 2002364683 A1 AU2002364683 A1 AU 2002364683A1 AU 2002364683 A AU2002364683 A AU 2002364683A AU 2002364683 A AU2002364683 A AU 2002364683A AU 2002364683 A1 AU2002364683 A1 AU 2002364683A1
Authority
AU
Australia
Prior art keywords
modulation
generation
liquid crystals
thermal images
images
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.)
Abandoned
Application number
AU2002364683A
Inventor
Christophe Dufresne
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.)
Optec Industries Sas
Original Assignee
Optec Ind S A S
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 Optec Ind S A S filed Critical Optec Ind S A S
Publication of AU2002364683A1 publication Critical patent/AU2002364683A1/en
Abandoned 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
    • G02F1/1395—Optically compensated birefringence [OCB]- cells or PI- 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
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-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
    • G02F2203/00—Function characteristic
    • G02F2203/11—Function characteristic involving infrared radiation

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)
AU2002364683A 2002-01-11 2002-12-24 Device for the generation of thermal images by modulation using liquid crystals Abandoned AU2002364683A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0200348A FR2834800B1 (en) 2002-01-11 2002-01-11 DEVICE FOR GENERATING THERMAL IMAGES BY MODULATION USING LIQUID CRYSTALS
FR0200348 2002-01-11
PCT/FR2002/004551 WO2003058333A1 (en) 2002-01-11 2002-12-24 Device for the generation of thermal images by modulation using liquid crystals

Publications (1)

Publication Number Publication Date
AU2002364683A1 true AU2002364683A1 (en) 2003-07-24

Family

ID=8871260

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002364683A Abandoned AU2002364683A1 (en) 2002-01-11 2002-12-24 Device for the generation of thermal images by modulation using liquid crystals

Country Status (3)

Country Link
AU (1) AU2002364683A1 (en)
FR (1) FR2834800B1 (en)
WO (1) WO2003058333A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679910A (en) * 1985-03-20 1987-07-14 Hughes Aircraft Company Dual liquid-crystal cell-based visible-to-infrared dynamic image converter
US4723077A (en) * 1985-12-06 1988-02-02 Hughes Aircraft Company Dual liquid crystal light valve based visible-to-infrared dynamic image converter system
JPH0264528A (en) * 1988-08-31 1990-03-05 Matsushita Electric Ind Co Ltd Projecting type display device
JPH02221919A (en) * 1989-02-23 1990-09-04 Fujitsu Ltd Liquid crystal display device
JP3103223B2 (en) * 1992-12-01 2000-10-30 富士通株式会社 Color liquid crystal display
JPH1195246A (en) * 1997-09-19 1999-04-09 Seiko Epson Corp Liquid crystal device and its production
KR100283878B1 (en) * 1999-01-20 2001-02-15 윤종용 reflection-type display apparatus for raising a contrast ratio
JP2001091949A (en) * 1999-09-20 2001-04-06 Hosiden Corp Reflection type liquid crystal display

Also Published As

Publication number Publication date
FR2834800A1 (en) 2003-07-18
FR2834800B1 (en) 2004-04-02
WO2003058333A1 (en) 2003-07-17

Similar Documents

Publication Publication Date Title
AU2003202156A1 (en) Circuit for generating driving voltages and liquid crystal device using the same
GB0407488D0 (en) Liquid crystal projector
AU2003289238A1 (en) Liquid crystal display device
AU2003214699A1 (en) Liquid crystal display device
AU2003244204A1 (en) Liquid crystal display device
AU2003228118A1 (en) Liquid crystal display device
AU2003292730A1 (en) Cooling device for electronic component using thermo-electric conversion material
AU2003253465A1 (en) Liquid crystal display apparatus
AU2003231534A1 (en) Liquid crystal display device
AU2003278314A1 (en) Liquid crystal alignment layer
EP1422544A4 (en) Liquid crystal projector
AU2003242010A1 (en) Liquid crystal display device
EP1500846A4 (en) Liquid seal type mount device
AU2002330335A1 (en) Liquid crystal display
GB2389191B (en) Liquid crystal device
EP1550887A4 (en) Transferable liquid crystal laminate
AU2003283623A1 (en) Multi output dc/dc converter for liquid crystal display device
AU2003256126A1 (en) Liquid crystal display device
AU2003267838A1 (en) Liquid crystal display device
AU2003265493A1 (en) Liquid crystal polymers
AU2003206191A1 (en) Liquid crystal display device
EP1341031A3 (en) Liquid crystal display apparatus
AU2003293483A1 (en) Liquid crystal shutter
AU2003269102A1 (en) Improved photonic crystal device
AU2003286366A1 (en) Liquid crystal component

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase