WO2007143463A3 - Multiprimary color display with dynamic gamut mapping - Google Patents

Multiprimary color display with dynamic gamut mapping Download PDF

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Publication number
WO2007143463A3
WO2007143463A3 PCT/US2007/069933 US2007069933W WO2007143463A3 WO 2007143463 A3 WO2007143463 A3 WO 2007143463A3 US 2007069933 W US2007069933 W US 2007069933W WO 2007143463 A3 WO2007143463 A3 WO 2007143463A3
Authority
WO
WIPO (PCT)
Prior art keywords
backlight
display
controller
providing
transmissive display
Prior art date
Application number
PCT/US2007/069933
Other languages
French (fr)
Other versions
WO2007143463A2 (en
Inventor
Elliott Candice Hellen Brown
Thomas Lloyd Credelle
Anthony Botzas
Michael Francis Higgins
Original Assignee
Clairvoyante Inc
Elliott Candice Hellen Brown
Thomas Lloyd Credelle
Anthony Botzas
Michael Francis Higgins
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 Clairvoyante Inc, Elliott Candice Hellen Brown, Thomas Lloyd Credelle, Anthony Botzas, Michael Francis Higgins filed Critical Clairvoyante Inc
Priority to EP07797869A priority Critical patent/EP2059919A4/en
Priority to CN2007800200947A priority patent/CN101460988B/en
Publication of WO2007143463A2 publication Critical patent/WO2007143463A2/en
Publication of WO2007143463A3 publication Critical patent/WO2007143463A3/en

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G09G5/06—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed using colour palettes, e.g. look-up tables
    • 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
    • G09G3/3406—Control of illumination source
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
    • 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
    • G09G3/36—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 liquid crystals
    • G09G3/3607—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 liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
    • 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
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
    • 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • 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
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
    • 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
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/0653—Controlling or limiting the speed of brightness adjustment of the illumination source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/06—Colour space transformation

Abstract

A display system (601) comprises a plurality of modules and means to provide effect dynamic gamut mapping and backlight control. In one embodiment, a display system comprises: a transmissive display (690), said display (690) comprising a plurality of colored subpixels wherein one such colored subpixel is substantially wide spectrum bandpass; a transmissive display controller, said display controller providing signals to said transmissive display (690) to set the amount of transmissivity of each said colored subpixel; a backlight (695), said backlight (695) providing illumination to said transmissive display (690); a backlight controller (693), said controller (693) providing signals to said backlight (695) to modulate the amount of illumination provided by said backlight (695) to said transmissive display (690); peak surveying module (670) for surveying image data and extracting the image gamut hull for providing intermediate backlight data signals to said backlight controller (693) to match said image gamut hull; and a means for normalizing display image data signals according to said intermediate backlight data signals and providing said normalized image data as intermediate display data.
PCT/US2007/069933 2006-06-02 2007-05-30 Multiprimary color display with dynamic gamut mapping WO2007143463A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07797869A EP2059919A4 (en) 2006-06-02 2007-05-30 Multiprimary color display with dynamic gamut mapping
CN2007800200947A CN101460988B (en) 2006-06-02 2007-05-30 Multiprimary color display with dynamic gamut mapping

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US80385506P 2006-06-02 2006-06-02
US60/803,855 2006-06-02
US82771006P 2006-09-30 2006-09-30
US60/827,710 2006-09-30
US82859406P 2006-10-06 2006-10-06
US60/828,594 2006-10-06
US89166807P 2007-02-26 2007-02-26
US60/891,668 2007-02-26
US11/750,895 2007-05-18
US11/750,895 US7592996B2 (en) 2006-06-02 2007-05-18 Multiprimary color display with dynamic gamut mapping

Publications (2)

Publication Number Publication Date
WO2007143463A2 WO2007143463A2 (en) 2007-12-13
WO2007143463A3 true WO2007143463A3 (en) 2008-09-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/069933 WO2007143463A2 (en) 2006-06-02 2007-05-30 Multiprimary color display with dynamic gamut mapping

Country Status (4)

Country Link
US (2) US7592996B2 (en)
EP (1) EP2059919A4 (en)
TW (1) TWI366179B (en)
WO (1) WO2007143463A2 (en)

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