MXPA05001664A - Sistema de conversion de polarizacion y metodo para ajustar el mismo. - Google Patents

Sistema de conversion de polarizacion y metodo para ajustar el mismo.

Info

Publication number
MXPA05001664A
MXPA05001664A MXPA05001664A MXPA05001664A MXPA05001664A MX PA05001664 A MXPA05001664 A MX PA05001664A MX PA05001664 A MXPA05001664 A MX PA05001664A MX PA05001664 A MXPA05001664 A MX PA05001664A MX PA05001664 A MXPA05001664 A MX PA05001664A
Authority
MX
Mexico
Prior art keywords
polarized light
lens
polarization converting
converting system
polarizing beam
Prior art date
Application number
MXPA05001664A
Other languages
English (en)
Inventor
Valter Drazio
Original Assignee
Thomson Licensing 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 Licensing Sa filed Critical Thomson Licensing Sa
Publication of MXPA05001664A publication Critical patent/MXPA05001664A/es

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • G02B27/285—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining comprising arrays of elements, e.g. microprisms
    • 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
    • G02F1/29—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 position or the direction of light beams, i.e. deflection
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/286—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising for controlling or changing the state of polarisation, e.g. transforming one polarisation state into another
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0994—Fibers, light pipes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

La invencion se refiere a un sistema de conversion de polarizacion (100) y un metodo para ajustar el mismo, que comprende un conjunto (110) de separadores de haz polarizante y al menos un primer lente (115) y un segundo lente (120) en cascada para recibir luz no polarizada producida por una fuente de luz (135). La posicion de los lentes, primero y segundo, puede fijarse para ajustar el enfoque de luz no polarizada en el conjunto de separadores de haz polarizante. Alternativamente, los dos lentes pueden ser ajustables. El sistema de conversion de polarizacion puede incorporarse en una pantalla de cristal liquido que incluye un dispositivo formador de imagenes (155). Un tercer lente (125) y un cuarto lente (130) pueden instalarse en cascada para recibir la luz polarizada del conjunto de separadores de haz polarizante y enfocar la luz polarizada en un dispositivo formador de imagenes. El sistema puede ajustarse al fijar la posicion de al menos uno de los lentes para enfocar la luz no polarizada en el conjunto de separadores de haz polarizante, reduciendo asi la reflexion de la luz no polarizada que viene del conjunto de separadores de luz polarizante.
MXPA05001664A 2002-08-15 2003-08-07 Sistema de conversion de polarizacion y metodo para ajustar el mismo. MXPA05001664A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/219,394 US20040032656A1 (en) 2002-08-15 2002-08-15 Polarization conversion system and method of calibrating same
PCT/FR2003/050027 WO2004017124A2 (fr) 2002-08-15 2003-08-07 Systeme de conversion de polarisation pour un projecteur a cristaux liquides

Publications (1)

Publication Number Publication Date
MXPA05001664A true MXPA05001664A (es) 2005-04-19

Family

ID=31714732

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA05001664A MXPA05001664A (es) 2002-08-15 2003-08-07 Sistema de conversion de polarizacion y metodo para ajustar el mismo.

Country Status (9)

Country Link
US (1) US20040032656A1 (es)
EP (1) EP1529237B1 (es)
JP (1) JP2005535928A (es)
KR (1) KR20050049480A (es)
CN (1) CN1675936A (es)
AU (1) AU2003276375A1 (es)
DE (1) DE60327858D1 (es)
MX (1) MXPA05001664A (es)
WO (1) WO2004017124A2 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100367077C (zh) * 2004-12-30 2008-02-06 中强光电股份有限公司 光学投影装置及其调整方法
DE102005021332B4 (de) 2005-05-04 2008-02-28 Heraeus Kulzer Gmbh Kompositmaterialien mit geringer Schrumpfkraft
KR20110091360A (ko) 2010-02-05 2011-08-11 엘지이노텍 주식회사 프로젝터
CN107688275B (zh) * 2016-08-06 2023-10-13 深圳光峰科技股份有限公司 照明装置及显示系统
CN106707668A (zh) * 2016-12-14 2017-05-24 浙江晶景光电有限公司 基于光棒的偏振光复用成像方法及微型光学引擎系统
CN111711806B (zh) * 2020-03-11 2021-09-28 潍坊学院 一种双光源合束器隐形提词投影机系统及数据叠加方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3697013B2 (ja) * 1997-02-19 2005-09-21 キヤノン株式会社 照明装置及びそれを用いた投影装置
US5860721A (en) * 1997-06-09 1999-01-19 Electrohome Limited Optical resizing apparatus
KR100353321B1 (ko) * 1998-06-08 2002-09-18 가부시키가이샤 히타치세이사쿠쇼 광학유닛 및 투사형표시장치
US6552760B1 (en) * 1999-02-18 2003-04-22 Fujitsu Limited Luminaire with improved light utilization efficiency
JP3666339B2 (ja) * 2000-01-28 2005-06-29 セイコーエプソン株式会社 プロジェクタ
US6491396B2 (en) * 2000-02-15 2002-12-10 Seiko Epson Corporation Projector modulating a plurality of partial luminous fluxes according to imaging information by means of an electro-optical device
JP4005292B2 (ja) * 2000-02-18 2007-11-07 フジノン株式会社 照明光学系およびこれを用いた投射型表示装置
FR2819899A1 (fr) * 2001-01-24 2002-07-26 Thomson Multimedia Sa Systeme de projection ou de visualisation d'images
TW528914B (en) * 2001-03-19 2003-04-21 Delta Electronics Inc A size-adjustable light distribution module for flexibly adaptable to illumination system of different LCD displays

Also Published As

Publication number Publication date
US20040032656A1 (en) 2004-02-19
DE60327858D1 (de) 2009-07-16
AU2003276375A1 (en) 2004-03-03
EP1529237A2 (fr) 2005-05-11
KR20050049480A (ko) 2005-05-25
WO2004017124A3 (fr) 2004-04-01
EP1529237B1 (fr) 2009-06-03
JP2005535928A (ja) 2005-11-24
CN1675936A (zh) 2005-09-28
WO2004017124A2 (fr) 2004-02-26
AU2003276375A8 (en) 2004-03-03

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