WO2008073449A3 - System and method for aligning rgb light in a single modulator projector - Google Patents

System and method for aligning rgb light in a single modulator projector Download PDF

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Publication number
WO2008073449A3
WO2008073449A3 PCT/US2007/025385 US2007025385W WO2008073449A3 WO 2008073449 A3 WO2008073449 A3 WO 2008073449A3 US 2007025385 W US2007025385 W US 2007025385W WO 2008073449 A3 WO2008073449 A3 WO 2008073449A3
Authority
WO
WIPO (PCT)
Prior art keywords
projection system
rgb light
light
color
single modulator
Prior art date
Application number
PCT/US2007/025385
Other languages
French (fr)
Other versions
WO2008073449A2 (en
Inventor
Robert R Christensen
Bret D Winkler
Dennis Elkins
Allen H Tanner
Original Assignee
Evans & Sutherland Computer Co
Robert R Christensen
Bret D Winkler
Dennis Elkins
Allen H Tanner
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 Evans & Sutherland Computer Co, Robert R Christensen, Bret D Winkler, Dennis Elkins, Allen H Tanner filed Critical Evans & Sutherland Computer Co
Priority to EP07862794A priority Critical patent/EP2104930A2/en
Publication of WO2008073449A2 publication Critical patent/WO2008073449A2/en
Publication of WO2008073449A3 publication Critical patent/WO2008073449A3/en

Links

Classifications

    • 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
    • H04N9/3164—Modulator illumination systems using multiple light sources
    • 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
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • 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
    • G03B21/20—Lamp housings
    • 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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/54—Lamp housings; Illuminating means
    • G03B27/545—Lamp housings; Illuminating means for enlargers
    • G03B27/547—Lamp housings; Illuminating means for enlargers colour mixing heads
    • 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
    • G03B33/00—Colour photography, other than mere exposure or projection of a colour film
    • G03B33/06—Colour photography, other than mere exposure or projection of a colour film by additive-colour projection apparatus
    • 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
    • G03B33/00—Colour photography, other than mere exposure or projection of a colour film
    • G03B33/08—Sequential recording or projection
    • 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
    • H04N9/3111—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources

Abstract

A projection system that includes a singe light modulation device and a plurality of light sources of different wavelengths. Each wavelength of light is incident on the light modulation device at a spatially distinct location and a temporally distinct time. The use of a scanning mirror allows the projection system to sequentially form, in full-color, each of the columns or rows of an image. The projection system is characterized by the reduction of color separation or the rainbow effect due to the rendering of each column or row in full color.
PCT/US2007/025385 2006-12-12 2007-12-12 System and method for aligning rgb light in a single modulator projector WO2008073449A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07862794A EP2104930A2 (en) 2006-12-12 2007-12-12 System and method for aligning rgb light in a single modulator projector

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87460506P 2006-12-12 2006-12-12
US60/874,605 2006-12-12

Publications (2)

Publication Number Publication Date
WO2008073449A2 WO2008073449A2 (en) 2008-06-19
WO2008073449A3 true WO2008073449A3 (en) 2008-09-12

Family

ID=39512325

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/025385 WO2008073449A2 (en) 2006-12-12 2007-12-12 System and method for aligning rgb light in a single modulator projector

Country Status (4)

Country Link
US (1) US7891818B2 (en)
EP (1) EP2104930A2 (en)
CN (1) CN101617354A (en)
WO (1) WO2008073449A2 (en)

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KR101341522B1 (en) * 2007-11-07 2013-12-16 엘지전자 주식회사 Projector
US8842222B2 (en) 2010-04-18 2014-09-23 Imax Corporation Double stacked projection
US10041745B2 (en) 2010-05-04 2018-08-07 Fractal Heatsink Technologies LLC Fractal heat transfer device
US9228785B2 (en) 2010-05-04 2016-01-05 Alexander Poltorak Fractal heat transfer device
CN102591029A (en) * 2011-04-26 2012-07-18 浙江亿思达显示科技有限公司 3D projection optical system and dual chip light splitting and light integrating model thereof
WO2013006804A1 (en) * 2011-07-06 2013-01-10 Brown University Rare event sampling
JP2014529756A (en) 2011-08-16 2014-11-13 アイマックスコーポレイション Hybrid image decomposition and projection
EP2769261B1 (en) * 2011-10-20 2022-07-06 IMAX Corporation Distortion compensation for image projection
CA2847999C (en) 2011-10-20 2019-11-12 Imax Corporation Invisible or low perceptibility of image alignment in dual projection systems
WO2013155319A1 (en) 2012-04-13 2013-10-17 Red. Com, Inc. Video projector system
US8870390B2 (en) * 2012-09-11 2014-10-28 Omnivision Technologies, Inc. Low Z-height projection system for projecting structured light for 3D imaging
US9992460B2 (en) * 2013-11-03 2018-06-05 Dolby Laboratories Licensing Corporation Systems and methods for local dimming in multi-modulation displays
WO2019018446A1 (en) 2017-07-17 2019-01-24 Fractal Heatsink Technologies, LLC Multi-fractal heat sink system and method
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