FR2769382B1 - Systeme d'eclairage arriere pour modulateur electro-optique transmissif utilisant l'effet de polarisation de la lumiere - Google Patents

Systeme d'eclairage arriere pour modulateur electro-optique transmissif utilisant l'effet de polarisation de la lumiere

Info

Publication number
FR2769382B1
FR2769382B1 FR9712315A FR9712315A FR2769382B1 FR 2769382 B1 FR2769382 B1 FR 2769382B1 FR 9712315 A FR9712315 A FR 9712315A FR 9712315 A FR9712315 A FR 9712315A FR 2769382 B1 FR2769382 B1 FR 2769382B1
Authority
FR
France
Prior art keywords
transmissible
electro
lighting system
optical modulator
light polarization
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
FR9712315A
Other languages
English (en)
Other versions
FR2769382A1 (fr
Inventor
Jean Michel Carle
Pascal Benoit
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.)
Technicolor SA
Original Assignee
Thomson Multimedia 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 Multimedia SA filed Critical Thomson Multimedia SA
Priority to FR9712315A priority Critical patent/FR2769382B1/fr
Priority to EP98401881A priority patent/EP0907050A1/fr
Priority to US09/146,475 priority patent/US6497492B1/en
Priority to JP10281304A priority patent/JPH11167809A/ja
Publication of FR2769382A1 publication Critical patent/FR2769382A1/fr
Application granted granted Critical
Publication of FR2769382B1 publication Critical patent/FR2769382B1/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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
FR9712315A 1997-10-03 1997-10-03 Systeme d'eclairage arriere pour modulateur electro-optique transmissif utilisant l'effet de polarisation de la lumiere Expired - Fee Related FR2769382B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9712315A FR2769382B1 (fr) 1997-10-03 1997-10-03 Systeme d'eclairage arriere pour modulateur electro-optique transmissif utilisant l'effet de polarisation de la lumiere
EP98401881A EP0907050A1 (fr) 1997-10-03 1998-07-24 Système d'éclairage arrière pour modulateur electro-optique transmissif utilisant l'effet de polarisation de la lumière
US09/146,475 US6497492B1 (en) 1997-10-03 1998-09-03 Back-lighting system for a transmissive electrooptic modulator using the light polarization effect
JP10281304A JPH11167809A (ja) 1997-10-03 1998-10-02 偏光効果を用いた透過電子光変調用のバックライトシステム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9712315A FR2769382B1 (fr) 1997-10-03 1997-10-03 Systeme d'eclairage arriere pour modulateur electro-optique transmissif utilisant l'effet de polarisation de la lumiere

Publications (2)

Publication Number Publication Date
FR2769382A1 FR2769382A1 (fr) 1999-04-09
FR2769382B1 true FR2769382B1 (fr) 2000-12-01

Family

ID=9511769

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9712315A Expired - Fee Related FR2769382B1 (fr) 1997-10-03 1997-10-03 Systeme d'eclairage arriere pour modulateur electro-optique transmissif utilisant l'effet de polarisation de la lumiere

Country Status (4)

Country Link
US (1) US6497492B1 (fr)
EP (1) EP0907050A1 (fr)
JP (1) JPH11167809A (fr)
FR (1) FR2769382B1 (fr)

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CN100370338C (zh) * 2003-08-03 2008-02-20 鸿富锦精密工业（深圳）有限公司 背光系统
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US7706050B2 (en) 2004-03-05 2010-04-27 Qualcomm Mems Technologies, Inc. Integrated modulator illumination
US7813026B2 (en) 2004-09-27 2010-10-12 Qualcomm Mems Technologies, Inc. System and method of reducing color shift in a display
US7508571B2 (en) 2004-09-27 2009-03-24 Idc, Llc Optical films for controlling angular characteristics of displays
US7630123B2 (en) 2004-09-27 2009-12-08 Qualcomm Mems Technologies, Inc. Method and device for compensating for color shift as a function of angle of view
US7355780B2 (en) 2004-09-27 2008-04-08 Idc, Llc System and method of illuminating interferometric modulators using backlighting
US7349141B2 (en) 2004-09-27 2008-03-25 Idc, Llc Method and post structures for interferometric modulation
US7561323B2 (en) 2004-09-27 2009-07-14 Idc, Llc Optical films for directing light towards active areas of displays
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US7891852B2 (en) * 2005-10-17 2011-02-22 Koninklijke Philips Electronics Nv Illumination system using phosphor remote from light source
US7916980B2 (en) 2006-01-13 2011-03-29 Qualcomm Mems Technologies, Inc. Interconnect structure for MEMS device
US7603001B2 (en) 2006-02-17 2009-10-13 Qualcomm Mems Technologies, Inc. Method and apparatus for providing back-lighting in an interferometric modulator display device
JP5554885B2 (ja) * 2006-04-18 2014-07-23 恵和株式会社 液晶表示モジュール
JP2007304219A (ja) * 2006-05-09 2007-11-22 Keiwa Inc 光学シート用基材フィルム、光学シート及び液晶表示モジュール
US7766498B2 (en) 2006-06-21 2010-08-03 Qualcomm Mems Technologies, Inc. Linear solid state illuminator
US7845841B2 (en) 2006-08-28 2010-12-07 Qualcomm Mems Technologies, Inc. Angle sweeping holographic illuminator
TWI354164B (en) * 2006-10-03 2011-12-11 Au Optronics Corp Liquid crystal display and back light module there
EP2069838A2 (fr) 2006-10-06 2009-06-17 Qualcomm Mems Technologies, Inc. Dispositif d'éclairage intégrant un coupleur de lumière
EP2366943B1 (fr) 2006-10-06 2013-04-17 Qualcomm Mems Technologies, Inc. Couche de perte optique intégrée dans un appareil d'éclairage pour écran visuel
US8872085B2 (en) 2006-10-06 2014-10-28 Qualcomm Mems Technologies, Inc. Display device having front illuminator with turning features
US8107155B2 (en) 2006-10-06 2012-01-31 Qualcomm Mems Technologies, Inc. System and method for reducing visual artifacts in displays
US7855827B2 (en) 2006-10-06 2010-12-21 Qualcomm Mems Technologies, Inc. Internal optical isolation structure for integrated front or back lighting
WO2008045463A2 (fr) 2006-10-10 2008-04-17 Qualcomm Mems Technologies, Inc. Dispositif d'affichage à optique de diffraction
US7864395B2 (en) 2006-10-27 2011-01-04 Qualcomm Mems Technologies, Inc. Light guide including optical scattering elements and a method of manufacture
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US7777954B2 (en) 2007-01-30 2010-08-17 Qualcomm Mems Technologies, Inc. Systems and methods of providing a light guiding layer
CN101387789B (zh) * 2007-09-13 2010-10-06 北京京东方光电科技有限公司 液晶显示装置背光灯和背光模组
US8941631B2 (en) 2007-11-16 2015-01-27 Qualcomm Mems Technologies, Inc. Simultaneous light collection and illumination on an active display
US8068710B2 (en) 2007-12-07 2011-11-29 Qualcomm Mems Technologies, Inc. Decoupled holographic film and diffuser
US7949213B2 (en) 2007-12-07 2011-05-24 Qualcomm Mems Technologies, Inc. Light illumination of displays with front light guide and coupling elements
US8721149B2 (en) 2008-01-30 2014-05-13 Qualcomm Mems Technologies, Inc. Illumination device having a tapered light guide
EP2247978A4 (fr) 2008-01-30 2012-12-26 Qualcomm Mems Technologies Inc Système d éclairage mince
WO2009102731A2 (fr) 2008-02-12 2009-08-20 Qualcomm Mems Technologies, Inc. Dispositifs et procédés permettant d'améliore la luminosité d'écrans utilisant des couches de conversion d'angle
WO2009129264A1 (fr) * 2008-04-15 2009-10-22 Qualcomm Mems Technologies, Inc. Lumière ayant une propagation bidirectionnelle
JP5492899B2 (ja) 2008-10-10 2014-05-14 クォルコム・メムズ・テクノロジーズ・インコーポレーテッド 分配型照明システム
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Also Published As

Publication number Publication date
JPH11167809A (ja) 1999-06-22
EP0907050A1 (fr) 1999-04-07
FR2769382A1 (fr) 1999-04-09
US6497492B1 (en) 2002-12-24

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