CN107408369B - 图像显示设备及其控制方法 - Google Patents

图像显示设备及其控制方法 Download PDF

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Publication number
CN107408369B
CN107408369B CN201680011782.6A CN201680011782A CN107408369B CN 107408369 B CN107408369 B CN 107408369B CN 201680011782 A CN201680011782 A CN 201680011782A CN 107408369 B CN107408369 B CN 107408369B
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CN
China
Prior art keywords
value
luminance
image
gradation value
light emission
Prior art date
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Expired - Fee Related
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CN201680011782.6A
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English (en)
Chinese (zh)
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CN107408369A (zh
Inventor
木村卓士
金井泉
古本能久
池田武
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority claimed from PCT/JP2016/000742 external-priority patent/WO2016136175A1/en
Publication of CN107408369A publication Critical patent/CN107408369A/zh
Application granted granted Critical
Publication of CN107408369B publication Critical patent/CN107408369B/zh
Expired - Fee Related legal-status Critical Current
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    • 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
    • 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
    • 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
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00—Function characteristic
    • G02F2203/64—Normally black display, i.e. the off state being black
    • 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
    • G09G2320/06—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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)
CN201680011782.6A 2015-02-23 2016-02-12 图像显示设备及其控制方法 Expired - Fee Related CN107408369B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2015-033005 2015-02-23
JP2015033005 2015-02-23
JP2015-135997 2015-07-07
JP2015135997A JP6797512B2 (ja) 2015-02-23 2015-07-07 画像表示装置及びその制御方法
PCT/JP2016/000742 WO2016136175A1 (en) 2015-02-23 2016-02-12 Image display apparatus and method for controlling same

Publications (2)

Publication Number Publication Date
CN107408369A CN107408369A (zh) 2017-11-28
CN107408369B true CN107408369B (zh) 2020-06-26

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CN201680011782.6A Expired - Fee Related CN107408369B (zh) 2015-02-23 2016-02-12 图像显示设备及其控制方法

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US (1) US10636368B2 (enExample)
EP (1) EP3262629B1 (enExample)
JP (1) JP6797512B2 (enExample)
KR (1) KR102075376B1 (enExample)
CN (1) CN107408369B (enExample)

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US10157590B1 (en) 2015-12-15 2018-12-18 Apple Inc. Display with localized brightness adjustment capabilities
JP6755762B2 (ja) * 2016-09-15 2020-09-16 キヤノン株式会社 画像処理装置および画像処理方法
JP7054577B2 (ja) * 2017-11-20 2022-04-14 シナプティクス インコーポレイテッド 表示ドライバ、表示装置及びムラ補正方法
CN108694914B (zh) * 2018-07-30 2022-12-02 京东方科技集团股份有限公司 背光源驱动方法及其装置、可读存储介质和背光源
TWI699606B (zh) * 2019-01-17 2020-07-21 友達光電股份有限公司 訊號處理方法及顯示裝置
CN109949754B (zh) * 2019-05-22 2019-10-25 南京熊猫电子制造有限公司 一种全黑画面下图像显示的亮度补偿方法及装置
US11158270B2 (en) * 2019-07-24 2021-10-26 Facebook Technologies, Llc Systems and methods for mask-based spatio-temporal dithering
CN112543968B (zh) * 2020-07-07 2021-08-17 北京凯视达科技股份有限公司 显示控制装置及其确定背光区光强的方法
JP2022078944A (ja) * 2020-11-13 2022-05-25 キヤノン株式会社 液晶表示装置およびその制御方法
TWI786719B (zh) * 2021-07-13 2022-12-11 義隆電子股份有限公司 改善顯示器的光暈效應的方法
JP2023048725A (ja) * 2021-09-28 2023-04-07 日亜化学工業株式会社 画像表示方法及び画像表示装置
CN116368557A (zh) * 2021-10-27 2023-06-30 京东方科技集团股份有限公司 亮度调节方法、亮度调节系统、显示装置
KR20230074375A (ko) * 2021-11-19 2023-05-30 삼성디스플레이 주식회사 표시 장치 및 이의 구동 방법
CN115546058B (zh) * 2022-09-27 2025-08-01 中国科学院光电技术研究所 一种适用于手动交会对接的自动调光方法
TWI875378B (zh) * 2023-12-14 2025-03-01 技嘉科技股份有限公司 調整場景亮度的計算機、調整方法與建立調整場景亮度的處理方法
CN117524094B (zh) * 2024-01-05 2024-03-29 深圳市伽彩光电有限公司 一种led屏显示校正方法及系统

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JP2005049746A (ja) * 2003-07-31 2005-02-24 Matsushita Electric Ind Co Ltd 画像表示装置
JP2007322882A (ja) * 2006-06-02 2007-12-13 Sony Corp 表示装置および表示制御方法

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JP2005049746A (ja) * 2003-07-31 2005-02-24 Matsushita Electric Ind Co Ltd 画像表示装置
JP2007322882A (ja) * 2006-06-02 2007-12-13 Sony Corp 表示装置および表示制御方法

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Publication number Publication date
EP3262629A4 (en) 2018-09-26
EP3262629B1 (en) 2021-05-19
KR102075376B1 (ko) 2020-02-11
JP6797512B2 (ja) 2020-12-09
CN107408369A (zh) 2017-11-28
KR20170120128A (ko) 2017-10-30
US20180040279A1 (en) 2018-02-08
EP3262629A1 (en) 2018-01-03
JP2016157098A (ja) 2016-09-01
US10636368B2 (en) 2020-04-28

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