CA2563517C - Method for efficient computation of image frames for dual modulation display systems using key frames - Google Patents

Method for efficient computation of image frames for dual modulation display systems using key frames Download PDF

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Publication number
CA2563517C
CA2563517C CA2563517A CA2563517A CA2563517C CA 2563517 C CA2563517 C CA 2563517C CA 2563517 A CA2563517 A CA 2563517A CA 2563517 A CA2563517 A CA 2563517A CA 2563517 C CA2563517 C CA 2563517C
Authority
CA
Canada
Prior art keywords
modulator
key frame
frame
modulation signal
frames
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
CA2563517A
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English (en)
French (fr)
Other versions
CA2563517A1 (en
Inventor
Helge Seetzen
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
Publication of CA2563517A1 publication Critical patent/CA2563517A1/en
Application granted granted Critical
Publication of CA2563517C publication Critical patent/CA2563517C/en
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
    • G09G3/34—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
    • 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
    • G09G3/3611—Control of matrices with row and column drivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • 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
    • 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
    • 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
    • G09G2320/06—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
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2380/00—Specific applications
    • G09G2380/16—Digital picture frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
CA2563517A 2004-05-03 2004-12-24 Method for efficient computation of image frames for dual modulation display systems using key frames Expired - Lifetime CA2563517C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US56692504P 2004-05-03 2004-05-03
US60/566,925 2004-05-03
PCT/CA2004/002197 WO2005107237A1 (en) 2004-05-03 2004-12-24 Method for efficient computation of image frames for dual modulation display systems using key frames

Publications (2)

Publication Number Publication Date
CA2563517A1 CA2563517A1 (en) 2005-11-10
CA2563517C true CA2563517C (en) 2012-09-11

Family

ID=35242038

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2563517A Expired - Lifetime CA2563517C (en) 2004-05-03 2004-12-24 Method for efficient computation of image frames for dual modulation display systems using key frames

Country Status (8)

Country Link
US (2) US7817131B2 (cg-RX-API-DMAC7.html)
EP (1) EP1747666B1 (cg-RX-API-DMAC7.html)
JP (1) JP5426827B2 (cg-RX-API-DMAC7.html)
KR (1) KR101196288B1 (cg-RX-API-DMAC7.html)
CN (1) CN100488229C (cg-RX-API-DMAC7.html)
CA (1) CA2563517C (cg-RX-API-DMAC7.html)
ES (1) ES2391095T3 (cg-RX-API-DMAC7.html)
WO (1) WO2005107237A1 (cg-RX-API-DMAC7.html)

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CN101479653B (zh) 2006-06-28 2012-10-03 汤姆逊许可证公司 具有场发射背光的液晶显示器
WO2008033512A2 (en) * 2006-09-15 2008-03-20 Thomson Licensing Light valve display using low resolution programmable color backlighting
US8493313B2 (en) * 2008-02-13 2013-07-23 Dolby Laboratories Licensing Corporation Temporal filtering of video signals
ES2541846T3 (es) * 2008-10-14 2015-07-27 Dolby Laboratories Licensing Corporation Simulación de luz posterior a resoluciones reducidas para determinar la modulación espacial de luz para imágenes de alto rango dinámico
KR101537418B1 (ko) * 2009-04-01 2015-07-17 엘지디스플레이 주식회사 액정표시장치 및 그 구동방법
US8786643B2 (en) 2009-07-07 2014-07-22 Dolby Laboratories Licensing Corporation Edge-lit local dimming displays, display components and related methods
US8867115B2 (en) 2009-07-22 2014-10-21 Dolby Laboratories Licensing Corporation Control of array of two-dimensional imaging elements in light modulating displays
US9161408B2 (en) 2009-09-02 2015-10-13 Dolby Laboratories Licensing Corporation Compensation for sub-par lighting in displays
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
TWI517126B (zh) * 2009-12-16 2016-01-11 杜比實驗室特許公司 使用影像資料區段統計屬性之背光控制方法與系統
KR101267304B1 (ko) 2010-02-22 2013-05-27 돌비 레버러토리즈 라이쎈싱 코오포레이션 듀얼 변조 디스플레이들에서의 전력 소모를 감소시키기 위한 방법들 및 시스템들
EP3051530B1 (en) 2010-06-21 2022-08-31 Dolby Laboratories Licensing Corporation Displaying images on local-dimming displays
PL2466994T3 (pl) 2010-12-17 2020-07-27 Dolby Laboratories Licensing Corporation Modulacja kropek kwantowych dla wyświetlaczy
US9747866B2 (en) 2011-11-22 2017-08-29 Dolby Laboratories Licensing Corporation Optimizing light output profile for dual-modulation display performance
EP2828822B1 (en) 2012-03-21 2018-07-11 Dolby Laboratories Licensing Corporation Systems and methods for power reduction for displays
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
JP5785663B2 (ja) * 2012-08-20 2015-09-30 富士フイルム株式会社 液晶表示装置
EP4723086A1 (en) 2013-05-07 2026-04-08 Dolby Laboratories Licensing Corporation Multi-half-tone imaging and dual modulation projection/dual modulation laser projection
US10237523B2 (en) 2013-05-07 2019-03-19 Dolby Laboratories Licensing Corporation Digital point spread function (DPSF) and dual modulation projection (including lasers) using DPSF
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
EP4236287B1 (en) * 2013-11-03 2025-08-06 Dolby Laboratories Licensing Corporation Local dimming in multi-modulation displays
CN111883070B (zh) * 2020-07-30 2021-09-10 重庆惠科金渝光电科技有限公司 一种显示面板的驱动方法、驱动模块和显示装置

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Also Published As

Publication number Publication date
HK1100015A1 (zh) 2007-08-31
EP1747666A4 (en) 2009-05-20
US8035604B2 (en) 2011-10-11
JP5426827B2 (ja) 2014-02-26
JP2007536583A (ja) 2007-12-13
ES2391095T3 (es) 2012-11-21
US20070216819A1 (en) 2007-09-20
KR20070042120A (ko) 2007-04-20
US7817131B2 (en) 2010-10-19
WO2005107237A1 (en) 2005-11-10
CA2563517A1 (en) 2005-11-10
EP1747666B1 (en) 2012-09-12
KR101196288B1 (ko) 2012-11-06
CN100488229C (zh) 2009-05-13
EP1747666A1 (en) 2007-01-31
CN1973530A (zh) 2007-05-30
US20070285587A1 (en) 2007-12-13

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