GB2534680B - Preventing tailing caused by disclination in a LCD panel - Google Patents

Preventing tailing caused by disclination in a LCD panel Download PDF

Info

Publication number
GB2534680B
GB2534680B GB1522134.4A GB201522134A GB2534680B GB 2534680 B GB2534680 B GB 2534680B GB 201522134 A GB201522134 A GB 201522134A GB 2534680 B GB2534680 B GB 2534680B
Authority
GB
United Kingdom
Prior art keywords
image signal
tone
corner portion
liquid crystal
image
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 - Fee Related
Application number
GB1522134.4A
Other languages
English (en)
Other versions
GB2534680A (en
GB201522134D0 (en
Inventor
Kurosawa Teppei
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of GB201522134D0 publication Critical patent/GB201522134D0/en
Publication of GB2534680A publication Critical patent/GB2534680A/en
Application granted granted Critical
Publication of GB2534680B publication Critical patent/GB2534680B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/66—Transforming electric information into light information
    • 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
    • G09G3/3607—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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
    • 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
    • G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
    • G09G3/002—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to project the image of a two-dimensional display, such as an array of light emitting or modulating elements or a CRT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0232—Special driving of display border areas
    • 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
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • 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
    • G09G2320/0257—Reduction of after-image effects
    • 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
    • G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to the screen
    • 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
    • G09G2320/0686—Adjustment of display parameters with two or more screen areas displaying information with different brightness or colours
    • 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
    • G09G2320/0693—Calibration of display systems
    • 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
    • G09G2320/10—Special adaptations of display systems for operation with variable images
    • G09G2320/106—Determination of movement vectors or equivalent parameters within the image
    • 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

  • 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 (AREA)
  • Liquid Crystal Display Device Control (AREA)
GB1522134.4A 2014-12-19 2015-12-15 Preventing tailing caused by disclination in a LCD panel Expired - Fee Related GB2534680B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014257174A JP6463118B2 (ja) 2014-12-19 2014-12-19 映像信号生成装置、液晶表示装置、映像信号生成方法および映像信号生成プログラム

Publications (3)

Publication Number Publication Date
GB201522134D0 GB201522134D0 (en) 2016-01-27
GB2534680A GB2534680A (en) 2016-08-03
GB2534680B true GB2534680B (en) 2019-06-05

Family

ID=55274801

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1522134.4A Expired - Fee Related GB2534680B (en) 2014-12-19 2015-12-15 Preventing tailing caused by disclination in a LCD panel

Country Status (4)

Country Link
US (1) US9734774B2 (https=)
JP (1) JP6463118B2 (https=)
DE (1) DE102015016007A1 (https=)
GB (1) GB2534680B (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10614340B1 (en) * 2019-09-23 2020-04-07 Mujin, Inc. Method and computing system for object identification
JP2025087124A (ja) * 2023-11-29 2025-06-10 セイコーエプソン株式会社 回路装置及び表示システム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012203052A (ja) * 2011-03-24 2012-10-22 Canon Inc 液晶表示装置およびそれに用いるプログラム
US20130194313A1 (en) * 2012-01-27 2013-08-01 Motorola Mobility, Inc. Method of Enhancing Moving Graphical Elements

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030156121A1 (en) * 2002-02-19 2003-08-21 Willis Donald Henry Compensation for adjacent pixel interdependence
US20040150654A1 (en) * 2003-01-31 2004-08-05 Willis Donald Henry Sparkle reduction using a split gamma table
DE102006060049B4 (de) * 2006-06-27 2010-06-10 Lg Display Co., Ltd. Flüssigkristallanzeige und Ansteuerungsverfahren
US20080018630A1 (en) * 2006-07-18 2008-01-24 Yusuke Fujino Liquid crystal display device, liquid crystal display and method of driving liquid crystal display device
WO2010109643A1 (ja) * 2009-03-27 2010-09-30 Ｎｅｃディスプレイソリューションズ株式会社 映像表示装置および映像補正方法
JP5229162B2 (ja) * 2009-09-01 2013-07-03 セイコーエプソン株式会社 映像処理回路、その処理方法、液晶表示装置および電子機器
JP2011059177A (ja) * 2009-09-07 2011-03-24 Hitachi Consumer Electronics Co Ltd 液晶表示装置及びバックライト制御方法
JP5381807B2 (ja) * 2010-02-25 2014-01-08 セイコーエプソン株式会社 映像処理回路、その処理方法、液晶表示装置および電子機器
JP2012242798A (ja) * 2011-05-24 2012-12-10 Seiko Epson Corp 補正電圧設定方法、映像処理方法、補正電圧設定装置、映像処理回路、液晶表示装置及び電子機器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012203052A (ja) * 2011-03-24 2012-10-22 Canon Inc 液晶表示装置およびそれに用いるプログラム
US20130194313A1 (en) * 2012-01-27 2013-08-01 Motorola Mobility, Inc. Method of Enhancing Moving Graphical Elements

Also Published As

Publication number Publication date
DE102015016007A1 (de) 2016-06-23
US20160180794A1 (en) 2016-06-23
GB2534680A (en) 2016-08-03
JP6463118B2 (ja) 2019-01-30
JP2016118606A (ja) 2016-06-30
GB201522134D0 (en) 2016-01-27
US9734774B2 (en) 2017-08-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20191215