JP2008250319A - ムラ欠陥の低減方法、およびディスプレー - Google Patents

ムラ欠陥の低減方法、およびディスプレー Download PDF

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Publication number
JP2008250319A
JP2008250319A JP2008072423A JP2008072423A JP2008250319A JP 2008250319 A JP2008250319 A JP 2008250319A JP 2008072423 A JP2008072423 A JP 2008072423A JP 2008072423 A JP2008072423 A JP 2008072423A JP 2008250319 A JP2008250319 A JP 2008250319A
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Japan
Prior art keywords
display
pixel
unevenness
correction value
gray levels
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JP2008072423A
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English (en)
Japanese (ja)
Inventor
Scott J Daly
ジェイ.デイリー スコット
Yasuo Ozawa
泰生 小澤
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Sharp Corp
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Sharp Corp
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Publication of JP2008250319A publication Critical patent/JP2008250319A/ja
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/2007Display of intermediate tones
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/02Improving the quality of display appearance
    • G09G2320/0233Improving the luminance or brightness uniformity across the screen
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/02Improving the quality of display appearance
    • G09G2320/0271Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276Adjustment 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
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/02Improving the quality of display appearance
    • G09G2320/029Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel
    • G09G2320/0295Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel by monitoring each display pixel
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/06Adjustment of display parameters
    • G09G2320/066Adjustment of display parameters for control of contrast
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/06Adjustment of display parameters
    • G09G2320/0693Calibration of display systems
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/14Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/145Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
    • G09G2360/147Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen the originated light output being determined for each pixel
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/36Control 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
    • G09G3/3611Control of matrices with row and column drivers

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Image Processing (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Liquid Crystal (AREA)
JP2008072423A 2007-03-29 2008-03-19 ムラ欠陥の低減方法、およびディスプレー Pending JP2008250319A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/731,094 US8026927B2 (en) 2007-03-29 2007-03-29 Reduction of mura effects

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2009005586A Division JP2009122690A (ja) 2007-03-29 2009-01-14 ムラ欠陥の低減方法、およびディスプレー

Publications (1)

Publication Number Publication Date
JP2008250319A true JP2008250319A (ja) 2008-10-16

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
JP2008072423A Pending JP2008250319A (ja) 2007-03-29 2008-03-19 ムラ欠陥の低減方法、およびディスプレー
JP2009005586A Pending JP2009122690A (ja) 2007-03-29 2009-01-14 ムラ欠陥の低減方法、およびディスプレー

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2009005586A Pending JP2009122690A (ja) 2007-03-29 2009-01-14 ムラ欠陥の低減方法、およびディスプレー

Country Status (3)

Country Link
US (1) US8026927B2 (enExample)
EP (1) EP1975915B1 (enExample)
JP (2) JP2008250319A (enExample)

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WO2011010625A1 (en) * 2009-07-20 2011-01-27 Sharp Kabushiki Kaisha System, display and method for compensation of differential aging mura of displays
WO2012005284A1 (ja) * 2010-07-07 2012-01-12 シャープ株式会社 液晶表示装置
WO2012043880A1 (en) * 2010-09-29 2012-04-05 Sharp Kabushiki Kaisha A correction device and a display
JP2013250570A (ja) * 2008-07-31 2013-12-12 Iix Inc 画質調整装置及び画像補正データ生成プログラム
US8749457B2 (en) 2010-04-05 2014-06-10 Panasonic Corporation Organic electroluminescence display device manufacturing method and organic electroluminescence display device
CN103854556A (zh) * 2014-02-19 2014-06-11 北京京东方显示技术有限公司 基色子像素的电压补偿装置及方法、显示装置
US8830148B2 (en) 2010-04-05 2014-09-09 Panasonic Corporation Organic electroluminescence display device and organic electroluminescence display device manufacturing method
JP2015138439A (ja) * 2014-01-23 2015-07-30 キヤノン株式会社 画像処理装置、画像処理方法、及び、プログラム
JP2016206383A (ja) * 2015-04-21 2016-12-08 シャープ株式会社 液晶表示装置
JP2018510573A (ja) * 2015-03-20 2018-04-12 ホアウェイ・テクノロジーズ・カンパニー・リミテッド ディスプレイムラ補正方法、装置、及びシステム
US10916211B2 (en) 2016-09-27 2021-02-09 Sakai Display Products Corporation Method for correcting luminance non-uniformity in liquid crystal display apparatus, and correction data generation device
JP2021081494A (ja) * 2019-11-15 2021-05-27 シャープ株式会社 画像処理システム、画像処理方法、及び画像処理プログラム

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TWI375198B (en) * 2007-05-17 2012-10-21 Tpo Displays Corp A system for displaying images
US8049695B2 (en) * 2007-10-15 2011-11-01 Sharp Laboratories Of America, Inc. Correction of visible mura distortions in displays by use of flexible system for memory resources and mura characteristics
GB2473614A (en) * 2009-09-16 2011-03-23 Sharp Kk Private display with main and side images and axis-dependent luminance control
JPWO2014128822A1 (ja) * 2013-02-19 2017-02-02 株式会社イクス 補正データ生成方法、補正データ生成システム及びこれらを用いた画質調整技術
US20150187306A1 (en) * 2013-12-30 2015-07-02 Shenzhen China Star Optoelectronics Technology Co., Ltd. System and method for poor display repair for liquid crystal display panel
TWI625714B (zh) * 2014-02-21 2018-06-01 群創光電股份有限公司 有機發光顯示器
CN104217701A (zh) * 2014-08-22 2014-12-17 京东方科技集团股份有限公司 一种显示面板的控制方法、装置以及时序控制器
US10341637B1 (en) * 2015-03-11 2019-07-02 Facebook Technologies, Llc Full frame uniformity across panels
CN105244001B (zh) * 2015-11-09 2018-01-09 深圳市华星光电技术有限公司 一种确定mura补偿值的方法以及装置
KR102064695B1 (ko) * 2016-04-28 2020-01-08 아이아이엑스 인코포레이티드 불균일 평가 방법 및 불균일 평가 장치
CN106898286B (zh) * 2017-03-15 2020-07-03 武汉精测电子集团股份有限公司 基于指定位置的Mura缺陷修复方法及装置
CN109791112A (zh) * 2017-08-04 2019-05-21 深圳市柔宇科技有限公司 Mura检测方法和Mura检测系统
US10755133B2 (en) * 2018-02-22 2020-08-25 Samsung Display Co., Ltd. System and method for line Mura detection with preprocessing
CN109147696B (zh) * 2018-09-03 2021-02-26 重庆惠科金渝光电科技有限公司 数据处理方法、显示装置和计算机可读存储介质
US11113999B2 (en) 2018-09-03 2021-09-07 Chongqing Hkc Optoelectronics Technology Co., Ltd. Data processing method, display device, and computer-readable storage medium
CN109036277B (zh) * 2018-09-27 2020-06-09 京东方科技集团股份有限公司 补偿方法及补偿装置、显示装置、显示方法及存储介质
CN109358438B (zh) * 2018-10-30 2021-03-26 京东方科技集团股份有限公司 云纹评价方法、装置和系统
CN111583863B (zh) * 2020-05-25 2021-08-27 昆山国显光电有限公司 一种mura补偿方法、装置和显示面板
CN119993066B (zh) * 2025-04-01 2025-09-23 京东方科技集团股份有限公司 显示面板亮度补偿方法、介质和设备

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013250570A (ja) * 2008-07-31 2013-12-12 Iix Inc 画質調整装置及び画像補正データ生成プログラム
WO2011010625A1 (en) * 2009-07-20 2011-01-27 Sharp Kabushiki Kaisha System, display and method for compensation of differential aging mura of displays
US8830148B2 (en) 2010-04-05 2014-09-09 Panasonic Corporation Organic electroluminescence display device and organic electroluminescence display device manufacturing method
US8749457B2 (en) 2010-04-05 2014-06-10 Panasonic Corporation Organic electroluminescence display device manufacturing method and organic electroluminescence display device
WO2012005284A1 (ja) * 2010-07-07 2012-01-12 シャープ株式会社 液晶表示装置
WO2012043880A1 (en) * 2010-09-29 2012-04-05 Sharp Kabushiki Kaisha A correction device and a display
JP2015138439A (ja) * 2014-01-23 2015-07-30 キヤノン株式会社 画像処理装置、画像処理方法、及び、プログラム
CN103854556A (zh) * 2014-02-19 2014-06-11 北京京东方显示技术有限公司 基色子像素的电压补偿装置及方法、显示装置
US9911393B2 (en) 2014-02-19 2018-03-06 Boe Technology Group Co., Ltd. Device and method for compensating voltage of primary color subpixel, and display device
JP2018510573A (ja) * 2015-03-20 2018-04-12 ホアウェイ・テクノロジーズ・カンパニー・リミテッド ディスプレイムラ補正方法、装置、及びシステム
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JP2016206383A (ja) * 2015-04-21 2016-12-08 シャープ株式会社 液晶表示装置
US10916211B2 (en) 2016-09-27 2021-02-09 Sakai Display Products Corporation Method for correcting luminance non-uniformity in liquid crystal display apparatus, and correction data generation device
JP2021081494A (ja) * 2019-11-15 2021-05-27 シャープ株式会社 画像処理システム、画像処理方法、及び画像処理プログラム

Also Published As

Publication number Publication date
US8026927B2 (en) 2011-09-27
EP1975915A2 (en) 2008-10-01
US20080238934A1 (en) 2008-10-02
JP2009122690A (ja) 2009-06-04
EP1975915A3 (en) 2009-05-27
EP1975915B1 (en) 2016-11-02

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