WO2004017136A3 - Rear projection display - Google Patents

Rear projection display Download PDF

Info

Publication number
WO2004017136A3
WO2004017136A3 PCT/US2003/023692 US0323692W WO2004017136A3 WO 2004017136 A3 WO2004017136 A3 WO 2004017136A3 US 0323692 W US0323692 W US 0323692W WO 2004017136 A3 WO2004017136 A3 WO 2004017136A3
Authority
WO
WIPO (PCT)
Prior art keywords
projection display
rear projection
screen
screens
ultra
Prior art date
Application number
PCT/US2003/023692
Other languages
French (fr)
Other versions
WO2004017136A2 (en
Inventor
Mark David Peterson
Jeffrey Alan Gohman
Original Assignee
Infocus Corp
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 Infocus Corp filed Critical Infocus Corp
Priority to AU2003261290A priority Critical patent/AU2003261290A1/en
Priority to JP2004529208A priority patent/JP2006504120A/en
Priority to CN038240947A priority patent/CN1742228B/en
Priority to EP03788290A priority patent/EP1579270A4/en
Publication of WO2004017136A2 publication Critical patent/WO2004017136A2/en
Publication of WO2004017136A3 publication Critical patent/WO2004017136A3/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/10—Projectors with built-in or built-on screen
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/28—Reflectors in projection beam
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens

Abstract

The ultra-thin rear project display device (300) described herein includes a wide angle lens system (340) and one or more planar mirrors (320,330) that are parallel to a screen (310) on which an image is to be displayed. In one embodiment, the screen that has multiple groove angles to provide better illumination than screens with a single groove angle.
PCT/US2003/023692 2002-08-16 2003-07-29 Rear projection display WO2004017136A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2003261290A AU2003261290A1 (en) 2002-08-16 2003-07-29 Rear projection display
JP2004529208A JP2006504120A (en) 2002-08-16 2003-07-29 Rear projection display device
CN038240947A CN1742228B (en) 2002-08-16 2003-07-29 Rear projection display
EP03788290A EP1579270A4 (en) 2002-08-16 2003-07-29 Rear projection display

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/222,083 2002-08-16
US10/222,083 US6896375B2 (en) 2002-08-16 2002-08-16 Rear projection display device having multiple mirrors that are substantially parallel to a screen

Publications (2)

Publication Number Publication Date
WO2004017136A2 WO2004017136A2 (en) 2004-02-26
WO2004017136A3 true WO2004017136A3 (en) 2005-07-28

Family

ID=31714871

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/023692 WO2004017136A2 (en) 2002-08-16 2003-07-29 Rear projection display

Country Status (7)

Country Link
US (4) US6896375B2 (en)
EP (1) EP1579270A4 (en)
JP (1) JP2006504120A (en)
CN (1) CN1742228B (en)
AU (1) AU2003261290A1 (en)
TW (1) TWI290259B (en)
WO (1) WO2004017136A2 (en)

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EP1579270A4 (en) 2009-03-11
US6896375B2 (en) 2005-05-24
US20050275811A1 (en) 2005-12-15
US7567380B2 (en) 2009-07-28
WO2004017136A2 (en) 2004-02-26
AU2003261290A1 (en) 2004-03-03
US7140735B2 (en) 2006-11-28
US20040047037A1 (en) 2004-03-11
JP2006504120A (en) 2006-02-02
CN1742228A (en) 2006-03-01
EP1579270A2 (en) 2005-09-28
US6804055B2 (en) 2004-10-12
US20050001990A1 (en) 2005-01-06
AU2003261290A8 (en) 2004-03-03
US20040032570A1 (en) 2004-02-19
TW200405955A (en) 2004-04-16
TWI290259B (en) 2007-11-21
CN1742228B (en) 2010-09-29

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