FI930268A7 - Anordning foer belysning med polariserat ljus - Google Patents

Anordning foer belysning med polariserat ljus Download PDF

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Publication number
FI930268A7
FI930268A7 FI930268A FI930268A FI930268A7 FI 930268 A7 FI930268 A7 FI 930268A7 FI 930268 A FI930268 A FI 930268A FI 930268 A FI930268 A FI 930268A FI 930268 A7 FI930268 A7 FI 930268A7
Authority
FI
Finland
Prior art keywords
polariserat
belysning
ljus
med
anordning foer
Prior art date
Application number
FI930268A
Other languages
English (en)
Other versions
FI930268A0 (fi
Inventor
Christophe Robillard
Susann Ayari
Eric Marcellin-Dibon
Original Assignee
Thomson Brandt Gmbh
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 Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of FI930268A7 publication Critical patent/FI930268A7/fi
Publication of FI930268A0 publication Critical patent/FI930268A0/fi

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
    • G02F1/133—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
    • G02F1/1336—Illuminating devices
    • G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3167—Modulator illumination systems for polarizing the light beam
    • 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
    • G02F1/133528—Polarisers
    • G02F1/133536—Reflective polarizers
    • 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
    • G02F1/133528—Polarisers
    • G02F1/13355—Polarising beam splitters [PBS]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
FI930268A 1990-07-24 1993-01-22 Anordning foer belysning med polariserat ljus FI930268A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4023452 1990-07-24
PCT/EP1991/001329 WO1992001969A1 (de) 1990-07-24 1991-07-16 Einrichtung zur beleuchtung mit polarisiertem licht

Publications (2)

Publication Number Publication Date
FI930268A7 true FI930268A7 (fi) 1993-01-22
FI930268A0 FI930268A0 (fi) 1993-01-22

Family

ID=6410891

Family Applications (1)

Application Number Title Priority Date Filing Date
FI930268A FI930268A0 (fi) 1990-07-24 1993-01-22 Anordning foer belysning med polariserat ljus

Country Status (9)

Country Link
US (1) US5382790A (fi)
EP (1) EP0540555B1 (fi)
JP (1) JP2999259B2 (fi)
DE (2) DE4123479A1 (fi)
ES (1) ES2089218T3 (fi)
FI (1) FI930268A0 (fi)
HK (1) HK73397A (fi)
SG (1) SG43161A1 (fi)
WO (1) WO1992001969A1 (fi)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05196892A (ja) * 1992-01-21 1993-08-06 Canon Inc 偏光照明装置及び該偏光照明装置を用いた投写型表示装置
FR2696246B1 (fr) * 1992-09-28 1994-11-04 Sextant Avionique Procédé et dispositif de projection d'une image en couleur résultant d'une modulation par valves optiques.
JP2827951B2 (ja) * 1994-05-16 1998-11-25 松下電器産業株式会社 投写型表示装置
US5513023A (en) * 1994-10-03 1996-04-30 Hughes Aircraft Company Polarizing beamsplitter for reflective light valve displays having opposing readout beams onto two opposing surfaces of the polarizer
JP3160177B2 (ja) 1995-03-06 2001-04-23 松下電器産業株式会社 ファクシミリ型電子メール装置
US6885470B1 (en) 1995-03-06 2005-04-26 Matsushita Electric Industrial Co., Ltd. Electronic mail system
JPH0996786A (ja) * 1995-09-29 1997-04-08 Matsushita Electric Ind Co Ltd 投射型表示装置
US5743612A (en) * 1995-11-10 1998-04-28 Hitachi, Ltd Liquid crystal projector
DE19829138A1 (de) * 1998-06-30 2000-01-05 Apel Volker Optisches Lichtsystem mit hoher Effizienz für die Be- und Durchleuchtung von Vorlagen mit linear polarisiertem Licht, insbesondere elektronisch steuerbaren Vorlagen mit rechteckigem Querschnitt für den Einsatz in Projektionsgeräten
US6196699B1 (en) 1999-03-31 2001-03-06 Philips Electronics North America Corp. Dual lamp illumination system and projection system incorporating same
WO2001011414A1 (en) * 1999-08-06 2001-02-15 Kaiser Aerospace And Electronics Corporation Dual projector lamps
US20030128427A1 (en) * 2002-01-10 2003-07-10 Kalmanash Michael H. Dual projector lamps
EP1623581B1 (en) * 2003-03-31 2018-09-12 Koninklijke Philips N.V. Display device and method of displaying data thereon
US7692861B2 (en) * 2004-07-06 2010-04-06 Real D Illumination systems
JP2007322584A (ja) * 2006-05-31 2007-12-13 Sanyo Electric Co Ltd 照明装置及びそれを用いた投写型映像表示装置
ATE546751T1 (de) * 2006-07-18 2012-03-15 Reald Inc Lichtkollektoren für projektionssysteme
US20080231953A1 (en) * 2007-03-22 2008-09-25 Young Garrett J System and Method for LED Polarization Recycling
EP3037868A1 (en) * 2012-08-22 2016-06-29 3M Innovative Properties Company Polarizing beam splitter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1887650A (en) * 1926-05-27 1932-11-15 Chester W Larner Light controlling apparatus
DE1014836B (de) * 1953-09-14 1957-08-29 Leitz Ernst Gmbh Bildwerfer, insbesondere Laufbildwerfer fuer die Projektion von Panorama-Bildern
US3512868A (en) * 1967-12-29 1970-05-19 Rca Corp Apparatus for forming a beam of light
US4798448A (en) * 1988-02-16 1989-01-17 General Electric Company High efficiency illumination system for display devices
US4913529A (en) * 1988-12-27 1990-04-03 North American Philips Corp. Illumination system for an LCD display system

Also Published As

Publication number Publication date
JP2999259B2 (ja) 2000-01-17
EP0540555B1 (de) 1996-05-15
DE59107823D1 (de) 1996-06-20
EP0540555A1 (de) 1993-05-12
JPH05508938A (ja) 1993-12-09
HK73397A (en) 1997-06-06
FI930268A0 (fi) 1993-01-22
SG43161A1 (en) 1997-10-17
WO1992001969A1 (de) 1992-02-06
DE4123479A1 (de) 1992-01-30
ES2089218T3 (es) 1996-10-01
US5382790A (en) 1995-01-17

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