CA2992935C - Rendu d'image rapide sur des ecrans d'affichage a double modulateur - Google Patents

Rendu d'image rapide sur des ecrans d'affichage a double modulateur Download PDF

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Publication number
CA2992935C
CA2992935C CA2992935A CA2992935A CA2992935C CA 2992935 C CA2992935 C CA 2992935C CA 2992935 A CA2992935 A CA 2992935A CA 2992935 A CA2992935 A CA 2992935A CA 2992935 C CA2992935 C CA 2992935C
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CA
Canada
Prior art keywords
point spread
spread function
light
effective luminance
light sources
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.)
Expired - Lifetime
Application number
CA2992935A
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English (en)
Other versions
CA2992935A1 (fr
Inventor
Lorne A. Whitehead
Helge Seetzen
Wolfgang Heidrich
Gregory John Ward
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.)
Dolby Laboratories Licensing Corp
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Dolby Laboratories Licensing 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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Priority to CA3043550A priority Critical patent/CA3043550C/fr
Publication of CA2992935A1 publication Critical patent/CA2992935A1/fr
Application granted granted Critical
Publication of CA2992935C publication Critical patent/CA2992935C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
    • 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
    • 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
    • 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
    • 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
    • G09G3/3611—Control of matrices with row and column drivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
  • Television Systems (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

Appareil et procédés mettant en uvre une ou plusieurs techniques visant à réduire le temps nécessaire à laffichage dimages haute résolution sur un écran à grande plage dynamique présentant une couche source lumineuse et une couche daffichage. Selon une technique, la résolution de limage est réduite, un motif de luminance effective est déterminé pour la résolution dimage réduite et la résolution du motif de luminance effective est ensuite augmentée jusquà la résolution de la couche daffichage. Selon une autre technique, la fonction détalement des points de la couche source lumineuse est décomposée en plusieurs composantes et un motif de luminance effective est déterminé pour chaque composante. Les motifs de luminance effective sont ensuite combinés pour produire un motif de luminance effective total. Des techniques de réduction de temps daffichage dimage supplémentaires sont également décrites.
CA2992935A 2004-07-27 2005-05-27 Rendu d'image rapide sur des ecrans d'affichage a double modulateur Expired - Lifetime CA2992935C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3043550A CA3043550C (fr) 2004-07-27 2005-05-27 Rendu d'image rapide sur des ecrans d'affichage a double modulateur

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US59182904P 2004-07-27 2004-07-27
US60/591829 2004-07-27
CA2840548A CA2840548C (fr) 2004-07-27 2005-05-27 Rendu d'image rapide sur des ecrans d'affichage a double modulateur

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2840548A Division CA2840548C (fr) 2004-07-27 2005-05-27 Rendu d'image rapide sur des ecrans d'affichage a double modulateur

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA3043550A Division CA3043550C (fr) 2004-07-27 2005-05-27 Rendu d'image rapide sur des ecrans d'affichage a double modulateur

Publications (2)

Publication Number Publication Date
CA2992935A1 CA2992935A1 (fr) 2006-02-02
CA2992935C true CA2992935C (fr) 2019-07-02

Family

ID=35785864

Family Applications (4)

Application Number Title Priority Date Filing Date
CA2572968A Expired - Lifetime CA2572968C (fr) 2004-07-27 2005-05-27 Rendu d'image rapide sur des ecrans d'affichage a double modulateur
CA2992935A Expired - Lifetime CA2992935C (fr) 2004-07-27 2005-05-27 Rendu d'image rapide sur des ecrans d'affichage a double modulateur
CA3043550A Expired - Lifetime CA3043550C (fr) 2004-07-27 2005-05-27 Rendu d'image rapide sur des ecrans d'affichage a double modulateur
CA2840548A Expired - Lifetime CA2840548C (fr) 2004-07-27 2005-05-27 Rendu d'image rapide sur des ecrans d'affichage a double modulateur

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2572968A Expired - Lifetime CA2572968C (fr) 2004-07-27 2005-05-27 Rendu d'image rapide sur des ecrans d'affichage a double modulateur

Family Applications After (2)

Application Number Title Priority Date Filing Date
CA3043550A Expired - Lifetime CA3043550C (fr) 2004-07-27 2005-05-27 Rendu d'image rapide sur des ecrans d'affichage a double modulateur
CA2840548A Expired - Lifetime CA2840548C (fr) 2004-07-27 2005-05-27 Rendu d'image rapide sur des ecrans d'affichage a double modulateur

Country Status (8)

Country Link
EP (1) EP1779362B1 (fr)
JP (3) JP5419352B2 (fr)
KR (1) KR101121131B1 (fr)
CN (2) CN100507988C (fr)
CA (4) CA2572968C (fr)
DK (1) DK1779362T3 (fr)
ES (1) ES2575929T3 (fr)
WO (1) WO2006010244A1 (fr)

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EP2494786B1 (fr) 2009-10-28 2018-07-25 Dolby Laboratories Licensing Corporation Dispositif d'affichage stereoscopique à double modulateur utilisant des anaglyphes muli-couleurs
KR101267304B1 (ko) * 2010-02-22 2013-05-27 돌비 레버러토리즈 라이쎈싱 코오포레이션 듀얼 변조 디스플레이들에서의 전력 소모를 감소시키기 위한 방법들 및 시스템들
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EP2612319B1 (fr) 2010-08-31 2017-10-04 Dolby Laboratories Licensing Corporation Procédé et appareil d'ajustement de valeurs d'attaque pour dispositifs d'affichage à double modulation
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CN103443846B (zh) 2011-03-09 2016-12-21 杜比实验室特许公司 高对比度的灰度级显示器和彩色显示器
EP2766894A1 (fr) 2011-10-13 2014-08-20 Dolby Laboratories Licensing Corporation Procédés et appareil de rétroéclairage de dispositifs d'affichage à modulation double
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KR102118309B1 (ko) 2012-09-19 2020-06-03 돌비 레버러토리즈 라이쎈싱 코오포레이션 양자점/리모트 인광 디스플레이 시스템 개선
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Also Published As

Publication number Publication date
EP1779362A1 (fr) 2007-05-02
JP2014056240A (ja) 2014-03-27
JP5973403B2 (ja) 2016-08-23
CA2840548C (fr) 2018-03-13
KR20070049143A (ko) 2007-05-10
CA3043550A1 (fr) 2006-02-02
JP2008507735A (ja) 2008-03-13
CA2840548A1 (fr) 2006-02-02
ES2575929T3 (es) 2016-07-04
WO2006010244A1 (fr) 2006-02-02
CA3043550C (fr) 2020-09-15
KR101121131B1 (ko) 2012-03-20
JP6163505B2 (ja) 2017-07-12
CN101266758B (zh) 2010-11-17
HK1108756A1 (zh) 2008-05-16
CN101010712A (zh) 2007-08-01
JP2015118384A (ja) 2015-06-25
JP5419352B2 (ja) 2014-02-19
CA2572968C (fr) 2014-04-08
CA2572968A1 (fr) 2006-02-02
CA2992935A1 (fr) 2006-02-02
DK1779362T3 (en) 2016-06-27
EP1779362A4 (fr) 2009-08-12
EP1779362B1 (fr) 2016-04-20
CN101266758A (zh) 2008-09-17
CN100507988C (zh) 2009-07-01

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