CA2840548C - Rapid image rendering on dual-modulator displays - Google Patents

Rapid image rendering on dual-modulator displays Download PDF

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Publication number
CA2840548C
CA2840548C CA2840548A CA2840548A CA2840548C CA 2840548 C CA2840548 C CA 2840548C CA 2840548 A CA2840548 A CA 2840548A CA 2840548 A CA2840548 A CA 2840548A CA 2840548 C CA2840548 C CA 2840548C
Authority
CA
Canada
Prior art keywords
point spread
spread function
luminance pattern
effective luminance
light source
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.)
Active
Application number
CA2840548A
Other languages
English (en)
French (fr)
Other versions
CA2840548A1 (en
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
Original Assignee
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 CA2992935A priority Critical patent/CA2992935C/en
Publication of CA2840548A1 publication Critical patent/CA2840548A1/en
Application granted granted Critical
Publication of CA2840548C publication Critical patent/CA2840548C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G09G3/22—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
    • 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)
CA2840548A 2004-07-27 2005-05-27 Rapid image rendering on dual-modulator displays Active CA2840548C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2992935A CA2992935C (en) 2004-07-27 2005-05-27 Rapid image rendering on dual-modulator displays

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US59182904P 2004-07-27 2004-07-27
US60/591,829 2004-07-27
CA2572968A CA2572968C (en) 2004-07-27 2005-05-27 Rapid image rendering on dual-modulator displays

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2572968A Division CA2572968C (en) 2004-07-27 2005-05-27 Rapid image rendering on dual-modulator displays

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2992935A Division CA2992935C (en) 2004-07-27 2005-05-27 Rapid image rendering on dual-modulator displays

Publications (2)

Publication Number Publication Date
CA2840548A1 CA2840548A1 (en) 2006-02-02
CA2840548C true CA2840548C (en) 2018-03-13

Family

ID=35785864

Family Applications (4)

Application Number Title Priority Date Filing Date
CA3043550A Active CA3043550C (en) 2004-07-27 2005-05-27 Rapid image rendering on dual-modulator displays
CA2840548A Active CA2840548C (en) 2004-07-27 2005-05-27 Rapid image rendering on dual-modulator displays
CA2992935A Active CA2992935C (en) 2004-07-27 2005-05-27 Rapid image rendering on dual-modulator displays
CA2572968A Active CA2572968C (en) 2004-07-27 2005-05-27 Rapid image rendering on dual-modulator displays

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA3043550A Active CA3043550C (en) 2004-07-27 2005-05-27 Rapid image rendering on dual-modulator displays

Family Applications After (2)

Application Number Title Priority Date Filing Date
CA2992935A Active CA2992935C (en) 2004-07-27 2005-05-27 Rapid image rendering on dual-modulator displays
CA2572968A Active CA2572968C (en) 2004-07-27 2005-05-27 Rapid image rendering on dual-modulator displays

Country Status (9)

Country Link
EP (1) EP1779362B1 (zh)
JP (3) JP5419352B2 (zh)
KR (1) KR101121131B1 (zh)
CN (2) CN101266758B (zh)
CA (4) CA3043550C (zh)
DK (1) DK1779362T3 (zh)
ES (1) ES2575929T3 (zh)
HK (1) HK1108756A1 (zh)
WO (1) WO2006010244A1 (zh)

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JP2006330400A (ja) * 2005-05-26 2006-12-07 Sony Corp 透過型カラー液晶表示装置
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US8233738B2 (en) 2007-07-30 2012-07-31 Dolby Laboratories Licensing Corporation Enhancing dynamic ranges of images
US8135230B2 (en) 2007-07-30 2012-03-13 Dolby Laboratories Licensing Corporation Enhancing dynamic ranges of images
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KR101225574B1 (ko) * 2008-10-14 2013-01-25 돌비 레버러토리즈 라이쎈싱 코오포레이션 하이 다이나믹 레인지 이미지를 위한 광의 공간 변조를 결정하기 위한 감소된 해상도에서 백라이트 시뮬레이션
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EP2419785B1 (en) * 2009-04-15 2017-11-22 Dolby Laboratories Licensing Corporation A light source for a spatially variable backlight in a thin display
KR101612455B1 (ko) * 2009-04-16 2016-04-15 삼성디스플레이 주식회사 화소 데이터의 보정 방법 및 이를 수행하기 위한 표시 장치
US9692946B2 (en) 2009-06-29 2017-06-27 Dolby Laboratories Licensing Corporation System and method for backlight and LCD adjustment
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US8890910B2 (en) 2009-07-22 2014-11-18 Dolby Laboratories Licensing Corporation Image display based on multiple brightness indicators
US9390660B2 (en) 2009-07-24 2016-07-12 Dolby Laboratories Licensing Corporation Image control for displays
WO2011030587A1 (ja) * 2009-09-09 2011-03-17 シャープ株式会社 表示装置
CN102483544B (zh) 2009-09-11 2015-08-12 杜比实验室特许公司 具有并入了反射层的背光的显示器
CN102598675B (zh) 2009-10-28 2014-12-03 杜比实验室特许公司 使用全色彩立体图的立体双调制器显示装置
KR101267304B1 (ko) * 2010-02-22 2013-05-27 돌비 레버러토리즈 라이쎈싱 코오포레이션 듀얼 변조 디스플레이들에서의 전력 소모를 감소시키기 위한 방법들 및 시스템들
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
US9576555B2 (en) 2010-06-21 2017-02-21 Dolby Laboratories Licensing Corporation Displaying images on local-dimming displays
EP2612319B1 (en) 2010-08-31 2017-10-04 Dolby Laboratories Licensing Corporation Method and apparatus for adjusting drive values for dual modulation displays
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JP5914530B2 (ja) 2011-03-09 2016-05-11 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 高コントラストのグレースケールおよびカラーディスプレイ
US9224320B2 (en) 2011-03-09 2015-12-29 Dolby Laboratories Licensing Corporation Projection display providing additional modulation and related methods
US9299293B2 (en) 2011-10-13 2016-03-29 Dobly Laboratories Licensing Corporation Methods and apparatus for backlighting dual modulation display devices
US9747866B2 (en) 2011-11-22 2017-08-29 Dolby Laboratories Licensing Corporation Optimizing light output profile for dual-modulation display performance
CN107978283B (zh) 2012-06-15 2021-12-10 杜比实验室特许公司 用于控制双调制显示器的系统和方法
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
ES2575929T3 (es) 2016-07-04
JP5973403B2 (ja) 2016-08-23
DK1779362T3 (en) 2016-06-27
KR101121131B1 (ko) 2012-03-20
JP6163505B2 (ja) 2017-07-12
CA2572968C (en) 2014-04-08
CA2992935C (en) 2019-07-02
EP1779362B1 (en) 2016-04-20
CA2572968A1 (en) 2006-02-02
HK1108756A1 (en) 2008-05-16
CN101266758B (zh) 2010-11-17
CA3043550C (en) 2020-09-15
CN101010712A (zh) 2007-08-01
JP2014056240A (ja) 2014-03-27
CA3043550A1 (en) 2006-02-02
CA2840548A1 (en) 2006-02-02
KR20070049143A (ko) 2007-05-10
EP1779362A4 (en) 2009-08-12
EP1779362A1 (en) 2007-05-02
JP5419352B2 (ja) 2014-02-19
CA2992935A1 (en) 2006-02-02
JP2008507735A (ja) 2008-03-13
WO2006010244A1 (en) 2006-02-02
CN100507988C (zh) 2009-07-01
JP2015118384A (ja) 2015-06-25
CN101266758A (zh) 2008-09-17

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