WO2002003687A3 - Equipment and techniques for increasing the dynamic range of a projection system - Google Patents

Equipment and techniques for increasing the dynamic range of a projection system Download PDF

Info

Publication number
WO2002003687A3
WO2002003687A3 PCT/US2001/021367 US0121367W WO0203687A3 WO 2002003687 A3 WO2002003687 A3 WO 2002003687A3 US 0121367 W US0121367 W US 0121367W WO 0203687 A3 WO0203687 A3 WO 0203687A3
Authority
WO
WIPO (PCT)
Prior art keywords
techniques
dynamic range
increasing
equipment
projection system
Prior art date
Application number
PCT/US2001/021367
Other languages
French (fr)
Other versions
WO2002003687A2 (en
Inventor
Michael A Gibbon
Samuel Z Zhou
Sean Adkins
Sergei G Anikitchev
Graham H Moss
Brian Eckersley
Original Assignee
Imax Corp
Michael A Gibbon
Samuel Z Zhou
Sean Adkins
Sergei G Anikitchev
Graham H Moss
Brian Eckersley
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 Imax Corp, Michael A Gibbon, Samuel Z Zhou, Sean Adkins, Sergei G Anikitchev, Graham H Moss, Brian Eckersley filed Critical Imax Corp
Priority to AU2001278870A priority Critical patent/AU2001278870A1/en
Priority to AT01957094T priority patent/ATE538594T1/en
Priority to EP01957094A priority patent/EP1300008B1/en
Priority to JP2002507638A priority patent/JP5174309B2/en
Priority to CA2414723A priority patent/CA2414723C/en
Priority to US10/312,070 priority patent/US7050122B2/en
Publication of WO2002003687A2 publication Critical patent/WO2002003687A2/en
Publication of WO2002003687A3 publication Critical patent/WO2002003687A3/en

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/312—Driving therefor
    • H04N9/3126—Driving therefor for spatial light modulators in series
    • 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]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/02—Composition of display devices
    • G09G2300/023—Display panel composed of stacked panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0238—Improving the black level
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3433—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
    • G09G3/346—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on modulation of the reflection angle, e.g. micromirrors
    • 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
    • H04N5/7458—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 deformable mirrors, e.g. digital micromirror device [DMD]

Abstract

Apparatus and techniques for enhancing the dynamic range of electronic projection systems are detailed. Included among the techniques are pre-modulation, luminance compensation, and partial luminance compensation.
PCT/US2001/021367 2000-07-03 2001-07-03 Equipment and techniques for increasing the dynamic range of a projection system WO2002003687A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AU2001278870A AU2001278870A1 (en) 2000-07-03 2001-07-03 Equipment and techniques for increasing the dynamic range of a projection system
AT01957094T ATE538594T1 (en) 2000-07-03 2001-07-03 METHOD AND DEVICE FOR EXPANDING THE DYNAMIC RANGE OF A PROJECTION SYSTEM
EP01957094A EP1300008B1 (en) 2000-07-03 2001-07-03 Method and apparatus for increasing the dynamic range of a projection system
JP2002507638A JP5174309B2 (en) 2000-07-03 2001-07-03 Devices and techniques for increasing the dynamic range of projection devices
CA2414723A CA2414723C (en) 2000-07-03 2001-07-03 Equipment and techniques for increasing the dynamic range of a projection system
US10/312,070 US7050122B2 (en) 2000-07-03 2001-07-03 Equipment and techniques for increasing the dynamic range of a projection system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21570600P 2000-07-03 2000-07-03
US60/215,706 2000-07-03

Publications (2)

Publication Number Publication Date
WO2002003687A2 WO2002003687A2 (en) 2002-01-10
WO2002003687A3 true WO2002003687A3 (en) 2002-05-02

Family

ID=22804040

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/021367 WO2002003687A2 (en) 2000-07-03 2001-07-03 Equipment and techniques for increasing the dynamic range of a projection system

Country Status (8)

Country Link
US (1) US7050122B2 (en)
EP (1) EP1300008B1 (en)
JP (1) JP5174309B2 (en)
CN (1) CN1237791C (en)
AT (1) ATE538594T1 (en)
AU (1) AU2001278870A1 (en)
CA (1) CA2414723C (en)
WO (1) WO2002003687A2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8842730B2 (en) 2006-01-27 2014-09-23 Imax Corporation Methods and systems for digitally re-mastering of 2D and 3D motion pictures for exhibition with enhanced visual quality
US9143657B2 (en) 2006-01-24 2015-09-22 Sharp Laboratories Of America, Inc. Color enhancement technique using skin color detection
US9282313B2 (en) 2006-06-23 2016-03-08 Imax Corporation Methods and systems for converting 2D motion pictures for stereoscopic 3D exhibition
US9478182B2 (en) 2009-02-24 2016-10-25 Dolby Laboratories Licensing Corporation Locally dimmed quantum dots (nano-crystal) based display

Families Citing this family (126)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1269756B1 (en) 2000-03-15 2004-05-26 Imax Corporation Improvements in dmd-based image display systems
CA2376411C (en) * 2000-03-31 2009-01-20 Imax Corporation Digital projection equipment and techniques
US7260274B2 (en) 2000-12-01 2007-08-21 Imax Corporation Techniques and systems for developing high-resolution imagery
EP2309314B1 (en) 2001-02-27 2020-12-16 Dolby Laboratories Licensing Corporation A method and device for displaying an image
US8493370B2 (en) * 2001-08-29 2013-07-23 Palm, Inc. Dynamic brightness range for portable computer displays based on ambient conditions
US7064740B2 (en) 2001-11-09 2006-06-20 Sharp Laboratories Of America, Inc. Backlit display with improved dynamic range
US7460179B2 (en) 2002-01-31 2008-12-02 Hewlett-Packard Development Company, L.P. Adaptive image display
DE60332328D1 (en) 2002-03-13 2010-06-10 Imax Corp SYSTEMS AND METHODS FOR DIGITAL REMASTERING OR OTHERWISE MODIFYING MOBILE IMAGES OR OTHER IMAGE RECORDING DATA
US8687271B2 (en) 2002-03-13 2014-04-01 Dolby Laboratories Licensing Corporation N-modulation displays and related methods
WO2003077013A2 (en) 2002-03-13 2003-09-18 The University Of British Columbia High dynamic range display devices
US6817717B2 (en) * 2002-09-19 2004-11-16 Hewlett-Packard Development Company, L.P. Display system with low and high resolution modulators
US7064795B2 (en) * 2002-09-19 2006-06-20 Koninklijke Philips Electronics N.V. Temporal dithering to increase dynamic range of images in sequentially illuminated displays
KR100449744B1 (en) * 2002-10-21 2004-09-22 삼성전자주식회사 Apparatus and method for controlling brightness of image in image processing unit
US20060007406A1 (en) * 2002-10-21 2006-01-12 Sean Adkins Equipment, systems and methods for control of color in projection displays
GB0228089D0 (en) 2002-12-02 2003-01-08 Seos Ltd Dynamic range enhancement of image display apparatus
KR101031988B1 (en) * 2002-12-04 2011-05-02 톰슨 라이센싱 Two-stage projector architecture
BR0316729A (en) 2002-12-04 2005-10-11 Thomson Licensing Sa Two-stage projection architecture
FR2854719A1 (en) * 2003-05-07 2004-11-12 Thomson Licensing Sa IMAGE PROCESSING METHOD FOR IMPROVING CONTRAST IN A DIGITAL DISPLAY PANEL
GB0311128D0 (en) 2003-05-14 2003-06-18 Seos Ltd Image display apparatus
US7220006B2 (en) * 2003-08-08 2007-05-22 Allen Eddie E Method and apparatus for increasing effective contrast ratio and brightness yields for digital light valve image projectors
US7257251B2 (en) * 2003-08-28 2007-08-14 Sharp Laboratories Of America, Inc. Chrominance smoothing
US7164397B2 (en) * 2003-09-30 2007-01-16 Texas Instruments Incorporated Discrete light color processor
WO2005094070A1 (en) * 2004-02-26 2005-10-06 Thomson Licensing S. A. Dual liquid crystal on silicon (lcos) to digital light pulse (dlp) relay
GB0410327D0 (en) * 2004-05-08 2004-06-09 Koninkl Philips Electronics Nv Colour display device
US20070229718A1 (en) * 2004-05-11 2007-10-04 Hall Estill T Jr System for Using Larger Arc Lamps with Smaller Imagers
JP4669668B2 (en) * 2004-05-27 2011-04-13 Ｎｅｃディスプレイソリューションズ株式会社 Projection display
JP4759956B2 (en) * 2004-08-25 2011-08-31 セイコーエプソン株式会社 Optical display device
CN101057488B (en) * 2004-11-10 2010-05-26 汤姆森许可贸易公司 System and method for dark noise reduction in pulse width modulated (PWM) displays
US8050511B2 (en) * 2004-11-16 2011-11-01 Sharp Laboratories Of America, Inc. High dynamic range images from low dynamic range images
US7924261B2 (en) * 2004-12-02 2011-04-12 Sharp Laboratories Of America, Inc. Methods and systems for determining a display light source adjustment
US7768496B2 (en) * 2004-12-02 2010-08-03 Sharp Laboratories Of America, Inc. Methods and systems for image tonescale adjustment to compensate for a reduced source light power level
US8922594B2 (en) * 2005-06-15 2014-12-30 Sharp Laboratories Of America, Inc. Methods and systems for enhancing display characteristics with high frequency contrast enhancement
US8913089B2 (en) * 2005-06-15 2014-12-16 Sharp Laboratories Of America, Inc. Methods and systems for enhancing display characteristics with frequency-specific gain
US7782405B2 (en) * 2004-12-02 2010-08-24 Sharp Laboratories Of America, Inc. Systems and methods for selecting a display source light illumination level
US8111265B2 (en) * 2004-12-02 2012-02-07 Sharp Laboratories Of America, Inc. Systems and methods for brightness preservation using a smoothed gain image
WO2006060624A2 (en) * 2004-12-02 2006-06-08 Sharp Laboratories Of America Methods and systems for enhancing display characteristics
US8120570B2 (en) 2004-12-02 2012-02-21 Sharp Laboratories Of America, Inc. Systems and methods for tone curve generation, selection and application
US7982707B2 (en) * 2004-12-02 2011-07-19 Sharp Laboratories Of America, Inc. Methods and systems for generating and applying image tone scale adjustments
US8947465B2 (en) 2004-12-02 2015-02-03 Sharp Laboratories Of America, Inc. Methods and systems for display-mode-dependent brightness preservation
US8004511B2 (en) * 2004-12-02 2011-08-23 Sharp Laboratories Of America, Inc. Systems and methods for distortion-related source light management
US7800577B2 (en) * 2004-12-02 2010-09-21 Sharp Laboratories Of America, Inc. Methods and systems for enhancing display characteristics
US7961199B2 (en) * 2004-12-02 2011-06-14 Sharp Laboratories Of America, Inc. Methods and systems for image-specific tone scale adjustment and light-source control
US7515160B2 (en) * 2006-07-28 2009-04-07 Sharp Laboratories Of America, Inc. Systems and methods for color preservation with image tone scale corrections
US9083969B2 (en) * 2005-08-12 2015-07-14 Sharp Laboratories Of America, Inc. Methods and systems for independent view adjustment in multiple-view displays
US7535002B2 (en) * 2004-12-03 2009-05-19 Fluke Corporation Camera with visible light and infrared image blending
CN101111748B (en) * 2004-12-03 2014-12-17 弗卢克公司 Visible light and ir combined image camera with a laser pointer
US8531562B2 (en) * 2004-12-03 2013-09-10 Fluke Corporation Visible light and IR combined image camera with a laser pointer
JP4281729B2 (en) * 2005-02-28 2009-06-17 セイコーエプソン株式会社 projector
US7290883B2 (en) * 2005-03-24 2007-11-06 Tte Tchnology, Inc. System and method for projecting video onto a screen
US7438423B2 (en) 2005-08-29 2008-10-21 3M Innovative Properties Company Illumination system and projection system incorporating same
US20070063996A1 (en) * 2005-09-14 2007-03-22 Childers Winthrop D Image display system and method
US20070064008A1 (en) * 2005-09-14 2007-03-22 Childers Winthrop D Image display system and method
US7551154B2 (en) * 2005-09-15 2009-06-23 Hewlett-Packard Development Company, L.P. Image display system and method
US8107812B2 (en) * 2005-09-23 2012-01-31 Honeywell International Inc. Dynamic range measurement and calculation of optical keyless entry sensor
NO20054829D0 (en) * 2005-10-19 2005-10-19 Ignis Photonyx As Diffractive technology-based dynamic contrast manipulation in display systems
US7884839B2 (en) * 2005-12-05 2011-02-08 Miradia Inc. Method and system for image processing for spatial light modulators
US7728829B2 (en) * 2006-01-13 2010-06-01 Hewlett-Packard Development Company, L.P. Display system
US7839406B2 (en) * 2006-03-08 2010-11-23 Sharp Laboratories Of America, Inc. Methods and systems for enhancing display characteristics with ambient illumination input
JP4203081B2 (en) * 2006-05-19 2008-12-24 株式会社東芝 Image display device and image display method
CN101491102B (en) * 2006-07-20 2011-06-08 高通股份有限公司 Video coding considering postprocessing to be performed in the decoder
US7821474B2 (en) 2006-10-13 2010-10-26 Apple Inc. Rendering luminance levels of a high dynamic range display
US20110037403A1 (en) * 2006-10-16 2011-02-17 Luxim Corporation Modulated light source systems and methods.
WO2008127367A2 (en) * 2006-10-16 2008-10-23 Luxim Corporation Discharge lamp using spread spectrum
US8941580B2 (en) 2006-11-30 2015-01-27 Sharp Laboratories Of America, Inc. Liquid crystal display with area adaptive backlight
CN101632113B (en) 2007-02-01 2012-10-03 杜比实验室特许公司 Calibration of displays having spatially-variable backlight
US7826681B2 (en) * 2007-02-28 2010-11-02 Sharp Laboratories Of America, Inc. Methods and systems for surround-specific display modeling
US8345038B2 (en) * 2007-10-30 2013-01-01 Sharp Laboratories Of America, Inc. Methods and systems for backlight modulation and brightness preservation
US8155434B2 (en) * 2007-10-30 2012-04-10 Sharp Laboratories Of America, Inc. Methods and systems for image enhancement
US9177509B2 (en) * 2007-11-30 2015-11-03 Sharp Laboratories Of America, Inc. Methods and systems for backlight modulation with scene-cut detection
US8378956B2 (en) * 2007-11-30 2013-02-19 Sharp Laboratories Of America, Inc. Methods and systems for weighted-error-vector-based source light selection
US20090147033A1 (en) * 2007-12-06 2009-06-11 Kazuma Arai Color display system
US8207932B2 (en) 2007-12-26 2012-06-26 Sharp Laboratories Of America, Inc. Methods and systems for display source light illumination level selection
US8179363B2 (en) * 2007-12-26 2012-05-15 Sharp Laboratories Of America, Inc. Methods and systems for display source light management with histogram manipulation
US8223113B2 (en) * 2007-12-26 2012-07-17 Sharp Laboratories Of America, Inc. Methods and systems for display source light management with variable delay
US8203579B2 (en) * 2007-12-26 2012-06-19 Sharp Laboratories Of America, Inc. Methods and systems for backlight modulation with image characteristic mapping
US8169431B2 (en) 2007-12-26 2012-05-01 Sharp Laboratories Of America, Inc. Methods and systems for image tonescale design
KR101225472B1 (en) 2008-01-08 2013-01-24 돌비 레버러토리즈 라이쎈싱 코오포레이션 A display device with reduced parallax
DK2240924T3 (en) 2008-01-09 2016-07-04 Dolby Laboratories Licensing Corp REDUCING LCD flicker
US7551341B1 (en) 2008-01-28 2009-06-23 Dolby Laboratories Licensing Corporation Serial modulation display having binary light modulation stage
US8531379B2 (en) * 2008-04-28 2013-09-10 Sharp Laboratories Of America, Inc. Methods and systems for image compensation for ambient conditions
DE102008029921B4 (en) 2008-06-24 2013-11-07 Carl Zeiss Ag Projector and method for projecting an image
DE102008029786B4 (en) 2008-06-24 2013-10-24 Carl Zeiss Ag Projector and method for projecting an image
WO2009156129A1 (en) 2008-06-24 2009-12-30 Carl Zeiss Ag Projector and method for projecting an image
US8500290B2 (en) * 2008-06-24 2013-08-06 Carl Zeiss Ag Projection system
DE102008029790B4 (en) 2008-06-24 2013-10-24 Carl Zeiss Ag Projector and method for projecting an image
US20090322800A1 (en) 2008-06-25 2009-12-31 Dolby Laboratories Licensing Corporation Method and apparatus in various embodiments for hdr implementation in display devices
US8416179B2 (en) * 2008-07-10 2013-04-09 Sharp Laboratories Of America, Inc. Methods and systems for color preservation with a color-modulated backlight
JP2010041249A (en) * 2008-08-01 2010-02-18 Sharp Corp Dimming method, video processor, display device and dimming calculator
US9330630B2 (en) * 2008-08-30 2016-05-03 Sharp Laboratories Of America, Inc. Methods and systems for display source light management with rate change control
US8165724B2 (en) * 2009-06-17 2012-04-24 Sharp Laboratories Of America, Inc. Methods and systems for power-controlling display devices
US20110001737A1 (en) * 2009-07-02 2011-01-06 Kerofsky Louis J Methods and Systems for Ambient-Adaptive Image Display
US20110074803A1 (en) * 2009-09-29 2011-03-31 Louis Joseph Kerofsky Methods and Systems for Ambient-Illumination-Selective Display Backlight Modification and Image Enhancement
CN102111534B (en) * 2009-12-25 2013-01-23 财团法人工业技术研究院 System and method for constructing high dynamic range images (HDRI)
US8322865B2 (en) * 2010-03-16 2012-12-04 Optoma Corporation Projection apparatus and image adjustment method
WO2012122104A2 (en) 2011-03-09 2012-09-13 Dolby Laboratories Licensing Corporation High contrast grayscale and color displays
US9864243B2 (en) 2010-05-14 2018-01-09 Dolby Laboratories Licensing Corporation High dynamic range displays using filterless LCD(s) for increasing contrast and resolution
US9135864B2 (en) 2010-05-14 2015-09-15 Dolby Laboratories Licensing Corporation Systems and methods for accurately representing high contrast imagery on high dynamic range display systems
JP5693745B2 (en) 2010-12-17 2015-04-01 ドルビー ラボラトリーズ ライセンシング コーポレイション Quantum dots for display panels
US9325976B2 (en) 2011-05-02 2016-04-26 Dolby Laboratories Licensing Corporation Displays, including HDR and 3D, using bandpass filters and other techniques
EP3675481A1 (en) * 2011-08-16 2020-07-01 Imax Theatres International Limited Hybrid image decomposition and projection
CA2847999C (en) 2011-10-20 2019-11-12 Imax Corporation Invisible or low perceptibility of image alignment in dual projection systems
CN103890638B (en) 2011-10-20 2019-05-03 图象公司 Distortion compensation for image projection
EP2634747A1 (en) * 2012-02-29 2013-09-04 Flir Systems AB A method and system for projecting a visible representation of infrared radiation
DE112013002095B4 (en) * 2012-04-20 2021-12-09 Hamamatsu Photonics K.K. Beam shaping device
US9373277B2 (en) * 2012-06-21 2016-06-21 Bae Systems Information And Electronic Systems Integration Inc. Extending dynamic range of a display
JP6019859B2 (en) * 2012-07-17 2016-11-02 セイコーエプソン株式会社 Projector and light emission control method in projector
KR101717457B1 (en) 2013-01-25 2017-03-17 돌비 레버러토리즈 라이쎈싱 코오포레이션 Global display management based light modulation
US9110294B2 (en) 2013-03-15 2015-08-18 Christie Digital Systems Usa, Inc. Imaging with shaped highlight beam
CA3123801C (en) * 2013-05-07 2024-02-20 Dolby Laboratories Licensing Corporation Multi-half-tone imaging and dual modulation projection/dual modulation laser projection
US10341622B2 (en) * 2013-05-07 2019-07-02 Dolby Laboratories Licensing Corporation Multi-half-tone imaging and dual modulation projection/dual modulation laser projection
CN103327275B (en) * 2013-05-08 2016-06-29 深圳市绎立锐光科技开发有限公司 Display uniformity compensation method, optic modulating device, signal processor and optical projection system
US9049413B2 (en) 2013-07-30 2015-06-02 Dolby Laboratories Licensing Corporation Multiple stage modulation projector display systems having efficient light utilization
EP3028099B1 (en) * 2013-07-30 2019-12-25 Dolby Laboratories Licensing Corporation Projector display systems having non-mechanical mirror beam steering
EP3020185B1 (en) 2013-08-16 2017-12-20 Dolby Laboratories Licensing Corporation Systems and methods for light field modeling techniques for multi-modulation displays
WO2015054032A1 (en) 2013-10-10 2015-04-16 Dolby Laboratories Licensing Corporation Displaying dci and other content on an enhanced dynamic range projector
EP3063936B1 (en) * 2013-11-03 2020-09-30 Dolby Laboratories Licensing Corporation System and method for local dimming in multi-modulation displays
US9797150B1 (en) 2014-05-28 2017-10-24 Warren Theatres, L.L.C. Large format cinema screen and projection system
JP6701204B2 (en) 2014-12-31 2020-05-27 ドルビー ラボラトリーズ ライセンシング コーポレイション Method and system for high dynamic range image projector
JP6550821B2 (en) * 2015-03-20 2019-07-31 セイコーエプソン株式会社 projector
CN106488622B (en) * 2015-08-26 2018-12-04 深圳市蚂蚁雄兵物联技术有限公司 Multifunctional LED ceiling lamp and the method for extending its working time when power is off
GB201519103D0 (en) 2015-10-28 2015-12-16 Rockwell Collins Inc Image modulation apparatus
US10070105B2 (en) * 2016-02-26 2018-09-04 Christie Digital Systems Usa, Inc. OR-function illumination in phased bitplanes in a high dynamic range projector
EP3520393B1 (en) 2016-09-30 2020-09-09 Dolby Laboratories Licensing Corporation Beam combining for highlight projection
CN108737798A (en) * 2017-04-17 2018-11-02 深圳市光峰光电技术有限公司 Optical projection system and projecting method
US10594976B1 (en) 2019-01-25 2020-03-17 Government Of The United States, As Represented By The Secretary Of The Air Force Wide field of view (FOV) projection system and associated methods
CN111816344B (en) * 2020-07-01 2022-10-25 浙江大学 Device for simultaneously manipulating low-refractive-index particles in multiple Rayleigh regions and achieving high capture efficiency

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0566501A (en) * 1991-09-09 1993-03-19 Toshiba Corp Projection type liquid crystal display device
JPH06102484A (en) * 1992-09-18 1994-04-15 Matsushita Electric Ind Co Ltd Meothod and device for displaying image using spatial optical modulation element
WO1994010675A1 (en) * 1992-11-04 1994-05-11 Rank Brimar Limited Display system

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100202246B1 (en) * 1989-02-27 1999-06-15 윌리엄 비. 켐플러 Apparatus and method for digital video system
US6348907B1 (en) * 1989-08-22 2002-02-19 Lawson A. Wood Display apparatus with digital micromirror device
US6535187B1 (en) * 1998-04-21 2003-03-18 Lawson A. Wood Method for using a spatial light modulator
GB9008031D0 (en) * 1990-04-09 1990-06-06 Rank Brimar Ltd Projection systems
JPH0481714A (en) * 1990-07-25 1992-03-16 Canon Inc Liquid crystal projection device
GB9024978D0 (en) * 1990-11-16 1991-01-02 Rank Cintel Ltd Digital mirror spatial light modulator
EP0557360B1 (en) * 1990-11-16 1996-09-25 Digital Projection Limited Deformable mirror device driving circuit and method
EP0664917B1 (en) * 1992-10-15 2004-03-03 Texas Instruments Incorporated Display device
JP3318904B2 (en) * 1993-07-14 2002-08-26 テキサス インスツルメンツ インコーポレイテツド Projector equipment
JPH0784553A (en) * 1993-09-16 1995-03-31 Toshiba Corp Projection liquid crystal display device
JP3550202B2 (en) * 1993-12-27 2004-08-04 株式会社東芝 Display device
GB9407302D0 (en) * 1994-04-13 1994-06-08 Rank Brimar Ltd Display device driving circuitry and method
US5699130A (en) * 1994-05-17 1997-12-16 Taylor Group Of Companies, Inc. Digital video and audio systems using nano-mechanical structures
JPH0832838A (en) * 1994-07-21 1996-02-02 Matsushita Electric Ind Co Ltd Gradation correction method and gradation correction device
US5490009A (en) * 1994-10-31 1996-02-06 Texas Instruments Incorporated Enhanced resolution for digital micro-mirror displays
US5757348A (en) * 1994-12-22 1998-05-26 Displaytech, Inc. Active matrix liquid crystal image generator with hybrid writing scheme
US5612753A (en) * 1995-01-27 1997-03-18 Texas Instruments Incorporated Full-color projection display system using two light modulators
US5680180A (en) * 1995-05-08 1997-10-21 Texas Instruments Incorporated Color balance compensation for digital display system with color wheel
JPH08317322A (en) * 1995-05-19 1996-11-29 Fujitsu General Ltd Multi-screen display system
JPH0949997A (en) * 1995-08-07 1997-02-18 Sanyo Electric Co Ltd Liquid crystal display device
JPH09116840A (en) * 1995-10-16 1997-05-02 Mitsubishi Electric Corp Projection type liquid crystal device
JPH09189893A (en) * 1996-01-09 1997-07-22 Nec Corp Liquid crystal projector
JP3513312B2 (en) * 1996-03-05 2004-03-31 キヤノン株式会社 Display device
GB2317290B (en) * 1996-09-11 2000-12-06 Seos Displays Ltd Image display apparatus
US6392717B1 (en) * 1997-05-30 2002-05-21 Texas Instruments Incorporated High brightness digital display system
JPH11187285A (en) * 1997-12-17 1999-07-09 Sanyo Electric Co Ltd Image data processor
US6339417B1 (en) 1998-05-15 2002-01-15 Inviso, Inc. Display system having multiple memory elements per pixel
US6310591B1 (en) * 1998-08-18 2001-10-30 Texas Instruments Incorporated Spatial-temporal multiplexing for high bit-depth resolution displays
JP2000131668A (en) * 1998-10-26 2000-05-12 Hitachi Ltd Light source adjusting device for liquid crystal projector
JP2000171737A (en) * 1998-12-04 2000-06-23 Matsushita Electric Ind Co Ltd Projector device
US6285349B1 (en) * 1999-02-26 2001-09-04 Intel Corporation Correcting non-uniformity in displays
US6891524B2 (en) * 2000-08-14 2005-05-10 Canon Kabushiki Kaisha Display device with amplification control

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0566501A (en) * 1991-09-09 1993-03-19 Toshiba Corp Projection type liquid crystal display device
JPH06102484A (en) * 1992-09-18 1994-04-15 Matsushita Electric Ind Co Ltd Meothod and device for displaying image using spatial optical modulation element
WO1994010675A1 (en) * 1992-11-04 1994-05-11 Rank Brimar Limited Display system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 387 (P - 1576) 20 July 1993 (1993-07-20) *
PATENT ABSTRACTS OF JAPAN vol. 018, no. 373 (P - 1769) 13 July 1994 (1994-07-13) *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9143657B2 (en) 2006-01-24 2015-09-22 Sharp Laboratories Of America, Inc. Color enhancement technique using skin color detection
US8842730B2 (en) 2006-01-27 2014-09-23 Imax Corporation Methods and systems for digitally re-mastering of 2D and 3D motion pictures for exhibition with enhanced visual quality
US9282313B2 (en) 2006-06-23 2016-03-08 Imax Corporation Methods and systems for converting 2D motion pictures for stereoscopic 3D exhibition
US9478182B2 (en) 2009-02-24 2016-10-25 Dolby Laboratories Licensing Corporation Locally dimmed quantum dots (nano-crystal) based display

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