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FR2826465B1 - Dispositif optique, notamment imageur a cristaux liquides, et miroir associe - Google Patents

Dispositif optique, notamment imageur a cristaux liquides, et miroir associe

Info

Publication number
FR2826465B1
FR2826465B1 FR0108281A FR0108281A FR2826465B1 FR 2826465 B1 FR2826465 B1 FR 2826465B1 FR 0108281 A FR0108281 A FR 0108281A FR 0108281 A FR0108281 A FR 0108281A FR 2826465 B1 FR2826465 B1 FR 2826465B1
Authority
FR
France
Prior art keywords
liquid crystal
optical device
particular liquid
crystal imager
therefor
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.)
Expired - Fee Related
Application number
FR0108281A
Other languages
English (en)
Other versions
FR2826465A1 (fr
Inventor
Bernard Cueff
Christophe Labille
Serge Ediar
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
Thales 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 Thales SA filed Critical Thales SA
Priority to FR0108281A priority Critical patent/FR2826465B1/fr
Priority to EP02745483A priority patent/EP1407186A1/fr
Priority to PCT/FR2002/001894 priority patent/WO2003001110A1/fr
Priority to US10/480,158 priority patent/US6958789B2/en
Publication of FR2826465A1 publication Critical patent/FR2826465A1/fr
Application granted granted Critical
Publication of FR2826465B1 publication Critical patent/FR2826465B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0018—Redirecting means on the surface of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0026—Wavelength selective element, sheet or layer, e.g. filter or grating
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0028—Light guide, e.g. taper
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
FR0108281A 2001-06-22 2001-06-22 Dispositif optique, notamment imageur a cristaux liquides, et miroir associe Expired - Fee Related FR2826465B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR0108281A FR2826465B1 (fr) 2001-06-22 2001-06-22 Dispositif optique, notamment imageur a cristaux liquides, et miroir associe
EP02745483A EP1407186A1 (fr) 2001-06-22 2002-06-04 Dispositif optique, notamment imageur a cristaux liquides, et miroir associe
PCT/FR2002/001894 WO2003001110A1 (fr) 2001-06-22 2002-06-04 Dispositif optique, notamment imageur a cristaux liquides, et miroir associe
US10/480,158 US6958789B2 (en) 2001-06-22 2002-06-04 Optical device, particularly a liquid-crystal imaging device, and mirror therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0108281A FR2826465B1 (fr) 2001-06-22 2001-06-22 Dispositif optique, notamment imageur a cristaux liquides, et miroir associe

Publications (2)

Publication Number Publication Date
FR2826465A1 FR2826465A1 (fr) 2002-12-27
FR2826465B1 true FR2826465B1 (fr) 2003-09-05

Family

ID=8864674

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0108281A Expired - Fee Related FR2826465B1 (fr) 2001-06-22 2001-06-22 Dispositif optique, notamment imageur a cristaux liquides, et miroir associe

Country Status (4)

Country Link
US (1) US6958789B2 (fr)
EP (1) EP1407186A1 (fr)
FR (1) FR2826465B1 (fr)
WO (1) WO2003001110A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100873068B1 (ko) * 2002-06-28 2008-12-11 삼성전자주식회사 백라이트 어셈블리 및 이를 이용한 액정표시장치
KR101115800B1 (ko) * 2004-12-27 2012-03-08 엘지디스플레이 주식회사 발광소자 패키지, 이의 제조 방법 및 백라이트 유닛
US7771103B2 (en) * 2005-09-20 2010-08-10 Guardian Industries Corp. Optical diffuser with IR and/or UV blocking coating
US10020587B2 (en) 2015-07-31 2018-07-10 At&T Intellectual Property I, L.P. Radial antenna and methods for use therewith
US11290708B2 (en) 2019-02-19 2022-03-29 Edgy Bees Ltd. Estimating real-time delay of a video data stream

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2548126A (en) * 1946-06-14 1951-04-10 Beacon Products Corp Luminous display device
DE3806421A1 (de) * 1987-03-04 1988-11-24 Citizen Watch Co Ltd Beleuchtungsvorrichtung fuer ein fluessigkristallanzeigegeraet
US5293262A (en) * 1988-03-15 1994-03-08 Mitsubishi Denki Kabushiki Kaisha Liquid crystal display device having heat-insulating members and driving circuit boards attached to rear edges of light box
US5982090A (en) * 1997-07-11 1999-11-09 Kaiser Aerospace And Electronics Coporation Integrated dual mode flat backlight
DE19957611A1 (de) * 1999-11-30 2001-06-07 Osram Opto Semiconductors Gmbh Beleuchtungsanordnung

Also Published As

Publication number Publication date
EP1407186A1 (fr) 2004-04-14
WO2003001110A1 (fr) 2003-01-03
US6958789B2 (en) 2005-10-25
US20040155993A1 (en) 2004-08-12
FR2826465A1 (fr) 2002-12-27

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