AU2001247760A1 - High efficiency prism assembly for image projection - Google Patents

High efficiency prism assembly for image projection

Info

Publication number
AU2001247760A1
AU2001247760A1 AU2001247760A AU4776001A AU2001247760A1 AU 2001247760 A1 AU2001247760 A1 AU 2001247760A1 AU 2001247760 A AU2001247760 A AU 2001247760A AU 4776001 A AU4776001 A AU 4776001A AU 2001247760 A1 AU2001247760 A1 AU 2001247760A1
Authority
AU
Australia
Prior art keywords
high efficiency
image projection
prism assembly
efficiency prism
assembly
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
AU2001247760A
Inventor
Arthur L. Berman
Edmund Sandberg
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.)
DIGITAL REFLECTIONS Inc
Original Assignee
DIGITAL REFLECTIONS Inc
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 DIGITAL REFLECTIONS Inc filed Critical DIGITAL REFLECTIONS Inc
Publication of AU2001247760A1 publication Critical patent/AU2001247760A1/en
Abandoned legal-status Critical Current

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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/145—Beam splitting or combining systems operating by reflection only having sequential partially reflecting surfaces
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/149—Beam splitting or combining systems operating by reflection only using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes
    • 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • 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
AU2001247760A 2000-03-27 2001-03-26 High efficiency prism assembly for image projection Abandoned AU2001247760A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US19225800P 2000-03-27 2000-03-27
US60/192,258 2000-03-27
US22524200P 2000-08-15 2000-08-15
US60/225,242 2000-08-15
PCT/US2001/009513 WO2001073485A1 (en) 2000-03-27 2001-03-26 High efficiency prism assembly for image projection

Publications (1)

Publication Number Publication Date
AU2001247760A1 true AU2001247760A1 (en) 2001-10-08

Family

ID=26887903

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001247760A Abandoned AU2001247760A1 (en) 2000-03-27 2001-03-26 High efficiency prism assembly for image projection

Country Status (3)

Country Link
US (1) US20020001135A1 (en)
AU (1) AU2001247760A1 (en)
WO (1) WO2001073485A1 (en)

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US20020176054A1 (en) * 1999-12-30 2002-11-28 Mihalakis George M. Reflective liquid-crystal-on-silicon projection engine architecture
US6737809B2 (en) * 2000-07-31 2004-05-18 Luxim Corporation Plasma lamp with dielectric waveguide
US6922021B2 (en) 2000-07-31 2005-07-26 Luxim Corporation Microwave energized plasma lamp with solid dielectric waveguide
US7429818B2 (en) * 2000-07-31 2008-09-30 Luxim Corporation Plasma lamp with bulb and lamp chamber
US6672722B2 (en) 2001-06-19 2004-01-06 Intel Corporation Projection engine
US6809874B1 (en) 2002-01-14 2004-10-26 Lightmaster Systems, Inc. Pathlength matched beam splitter and method and apparatus for assembly
US6999237B2 (en) * 2001-09-12 2006-02-14 Lightmaster Systems, Inc. Method and apparatus for configuration and assembly of a video projection light management system
US6982829B1 (en) 2002-08-23 2006-01-03 Lightmaster Systems, Inc Prism assembly with cholesteric reflectors
US6909556B2 (en) * 2002-01-14 2005-06-21 Lightmaster Systems, Inc. Design of prism assemblies and kernel configurations for use in projection systems
US6934066B2 (en) 2003-02-20 2005-08-23 Lightmaster Systems, Inc. Method and apparatus for use and construction of compensated higher order waveplates
US7352513B2 (en) * 2001-09-12 2008-04-01 Lightmaster Systems, Inc. Prism assemblies and kernel configurations for use in projection systems
US20030151832A1 (en) * 2002-01-14 2003-08-14 Arthur Berman Method and apparatus for enclosing optical assemblies
US7175281B1 (en) * 2003-05-13 2007-02-13 Lightmaster Systems, Inc. Method and apparatus to increase the contrast ratio of the image produced by a LCoS based light engine
US7280281B2 (en) * 2002-03-05 2007-10-09 Berg & Berg Enterprises, Inc. Method and apparatus for increasing microdisplay black state in light management systems and flexibility to utilize polarized or unpolarized input light
CN1568437A (en) * 2001-10-09 2005-01-19 皇家飞利浦电子股份有限公司 Optical devices
US6873480B2 (en) 2001-11-08 2005-03-29 Lightmaster Systems, Inc. Method and apparatus for packaging optical elements
US6816309B2 (en) * 2001-11-30 2004-11-09 Colorlink, Inc. Compensated color management systems and methods
US7002752B2 (en) * 2001-11-30 2006-02-21 Colorlink, Inc. Three-panel color management systems and methods
US6961179B2 (en) * 2001-11-30 2005-11-01 Colorlink, Inc. Compensated color management systems and methods
US6747710B2 (en) * 2001-12-03 2004-06-08 Thomson Licensing S.A. Light valve projector architecture
US20050117220A1 (en) * 2001-12-18 2005-06-02 Koninklijke Philips Electronics N.V. Projection display system
GB2397660B (en) * 2001-12-20 2005-01-19 Delta Electronics Inc Image projection device with an integrated photodiode light source
TW571119B (en) * 2001-12-20 2004-01-11 Delta Electronics Inc Image projection device with integrated semiconductor light emitting element light source
JP4077216B2 (en) * 2001-12-28 2008-04-16 株式会社リコー Color separation element, imaging optical engine, and projection apparatus
EP1474717A4 (en) * 2002-01-14 2010-04-07 Lightmaster Systems Inc Design of prism assemblies and kernel configurations for use in projection systems
JP2004062092A (en) * 2002-07-31 2004-02-26 Canon Inc Color composition optical system, projection display optical system, projection image display and image display system
DE60333583D1 (en) 2002-11-14 2010-09-09 Reald Inc THREE-PAGE MANAGEMENT SYSTEMS AND METHOD
WO2004088362A2 (en) * 2003-03-28 2004-10-14 Lightmaster Systems, Inc. MEANS OF COMPENSATION TO INCREASE THE CONTRAST RATIO OF LCoS BASED VIDEO PROJECTION SYSTEMS
US7024091B2 (en) * 2003-12-23 2006-04-04 Intel Corporation Thermal gradient prism for active beam steering
US7320521B2 (en) * 2004-07-12 2008-01-22 Next Wave Optics, Inc. Optical engine architectures
US20060066805A1 (en) * 2004-09-30 2006-03-30 Anders Grunnet-Jepsen Liquid crystal on silicon (LCOS) microdisplay with retarder that reduces light beam polarization changes
US7261418B2 (en) 2004-11-12 2007-08-28 3M Innovative Properties Company Projection apparatus
WO2006057001A2 (en) * 2004-11-29 2006-06-01 Genoa Color Technologies Ltd. Multi-primary color projection display
US20060197914A1 (en) * 2005-03-04 2006-09-07 Colorlink, Inc. Four panel projection system
US7530693B2 (en) * 2005-05-31 2009-05-12 Next Wave Optics Inc. Single MEMS imager optical engine
US20060274276A1 (en) * 2005-06-01 2006-12-07 Lightmaster Systems, Inc. Method and apparatus for precisely compensating skew rays and residual retardation
US7422329B2 (en) * 2005-06-30 2008-09-09 Lightmaster Systems, Inc. Liquid crystal on silicon (LCOS) kernel with 3D projection capability
US7390094B2 (en) * 2005-09-15 2008-06-24 Lightmaster Systems, Inc. Method and apparatus to achieve a neutral dark state in image projection systems
US7400452B2 (en) * 2005-10-18 2008-07-15 Lightmaster Systems, Inc. Method and apparatus for internal frames to improve performance and manufacturability of optical devices including liquid crystal on silicon (LCOS) based kernels
US8410594B2 (en) * 2006-01-11 2013-04-02 Stats Chippac Ltd. Inter-stacking module system
JP5195744B2 (en) * 2007-03-07 2013-05-15 日本電気株式会社 Image display device
US20100277796A1 (en) * 2007-12-28 2010-11-04 Simon Magarill Light combiner
CN101943843B (en) * 2009-05-22 2012-03-07 上海丽恒光微电子科技有限公司 Integrated microdisplay projection and imaging system
JP2013104933A (en) * 2011-11-11 2013-05-30 Sony Corp Projection apparatus
JP5910031B2 (en) * 2011-11-28 2016-04-27 ソニー株式会社 Projection device
US8749886B2 (en) * 2012-03-21 2014-06-10 Google Inc. Wide-angle wide band polarizing beam splitter
JP2017032648A (en) * 2015-07-29 2017-02-09 キヤノン株式会社 Color separation optical system and projection type display device
US10281327B2 (en) * 2016-02-11 2019-05-07 Stratio Spectrometers with self-compensation of rotational misalignment
CN112180665A (en) * 2020-11-04 2021-01-05 南华智能精密机器(深圳)有限公司 LCD projector conjugated high-efficiency illumination system and projection method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425028A (en) * 1981-12-28 1984-01-10 Hughes Aircraft Company High efficiency optical tank for three color liquid crystal light valve image projection with color selective prepolarization and single projection lens
US5903388A (en) * 1992-06-11 1999-05-11 Sedlmayr Steven R High efficiency electromagnetic beam projector and systems and method for implementation thereof

Also Published As

Publication number Publication date
WO2001073485A9 (en) 2002-12-19
US20020001135A1 (en) 2002-01-03
WO2001073485A1 (en) 2001-10-04

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