JP5650422B2 - 液晶表示装置 - Google Patents

液晶表示装置 Download PDF

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Publication number
JP5650422B2
JP5650422B2 JP2010068124A JP2010068124A JP5650422B2 JP 5650422 B2 JP5650422 B2 JP 5650422B2 JP 2010068124 A JP2010068124 A JP 2010068124A JP 2010068124 A JP2010068124 A JP 2010068124A JP 5650422 B2 JP5650422 B2 JP 5650422B2
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JP
Japan
Prior art keywords
light
light emission
partial
video signal
signal
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
JP2010068124A
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English (en)
Japanese (ja)
Other versions
JP2011203322A (ja
JP2011203322A5 (enExample
Inventor
浅野　光康
光康 浅野
西　智裕
智裕 西
義浩 勝
義浩 勝
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP2010068124A priority Critical patent/JP5650422B2/ja
Priority to US13/030,417 priority patent/US8933872B2/en
Priority to CN201110068669.0A priority patent/CN102201211B/zh
Publication of JP2011203322A publication Critical patent/JP2011203322A/ja
Publication of JP2011203322A5 publication Critical patent/JP2011203322A5/ja
Priority to US14/570,872 priority patent/US9514688B2/en
Application granted granted Critical
Publication of JP5650422B2 publication Critical patent/JP5650422B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
JP2010068124A 2010-03-24 2010-03-24 液晶表示装置 Expired - Fee Related JP5650422B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2010068124A JP5650422B2 (ja) 2010-03-24 2010-03-24 液晶表示装置
US13/030,417 US8933872B2 (en) 2010-03-24 2011-02-18 Liquid crystal display
CN201110068669.0A CN102201211B (zh) 2010-03-24 2011-03-17 液晶显示器
US14/570,872 US9514688B2 (en) 2010-03-24 2014-12-15 Liquid crystal display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010068124A JP5650422B2 (ja) 2010-03-24 2010-03-24 液晶表示装置

Publications (3)

Publication Number Publication Date
JP2011203322A JP2011203322A (ja) 2011-10-13
JP2011203322A5 JP2011203322A5 (enExample) 2013-04-04
JP5650422B2 true JP5650422B2 (ja) 2015-01-07

Family

ID=44655839

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010068124A Expired - Fee Related JP5650422B2 (ja) 2010-03-24 2010-03-24 液晶表示装置

Country Status (3)

Country Link
US (2) US8933872B2 (enExample)
JP (1) JP5650422B2 (enExample)
CN (1) CN102201211B (enExample)

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JP5650422B2 (ja) * 2010-03-24 2015-01-07 ソニー株式会社 液晶表示装置
US9305495B2 (en) * 2011-02-23 2016-04-05 Panasonic Intellectual Property Management Co., Ltd. Display device and display method for estimating backlight luminance distribution
US9153044B2 (en) 2011-03-15 2015-10-06 Sharp Kabushiki Kaisha Image signal processing device, display device, and television for reducing uneven luminance image signals
KR102073685B1 (ko) * 2013-09-06 2020-02-06 삼성디스플레이 주식회사 액정 표시 장치
CN103474016B (zh) * 2013-09-11 2016-06-22 青岛海信电器股份有限公司 分区驱动处理方法、处理装置及显示器
CN104835477A (zh) * 2014-02-11 2015-08-12 珠海格力电器股份有限公司 显示模块整体亮度的控制方法及系统
CN107784982B (zh) * 2016-08-25 2020-10-30 立景光电股份有限公司 液晶覆硅显示器与其亮度调整方法
US20190103047A1 (en) * 2017-09-29 2019-04-04 Chul Chung Display device and method to generate color image
CN108022563B (zh) * 2018-01-31 2020-08-28 武汉华星光电技术有限公司 基于分区背光的低延迟液晶显示装置及其驱动方法
CN109144893A (zh) 2018-09-11 2019-01-04 郑州云海信息技术有限公司 一种与非易失性内存储器进程交互的方法与装置
WO2020065713A1 (ja) 2018-09-25 2020-04-02 堺ディスプレイプロダクト株式会社 液晶表示装置
CN111354287B (zh) * 2018-12-20 2021-05-11 京东方科技集团股份有限公司 确定像素老化衰减程度、补偿像素的方法、装置、设备
US12272306B2 (en) * 2022-12-22 2025-04-08 Google Llc Variable brightness dimming of display peripherals

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US5808597A (en) * 1995-03-08 1998-09-15 Canon Kabushiki Kaisha Illumination device for liquid crystal display apparatus
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US6417832B1 (en) * 1999-09-28 2002-07-09 Rainbow Displays, Inc. Apparatus for producing uniform luminance in a flat-panel display backlight
JP4355977B2 (ja) 1999-11-12 2009-11-04 ソニー株式会社 映像表示装置および映像表示装置における照明制御方法
US7176878B2 (en) * 2002-12-11 2007-02-13 Nvidia Corporation Backlight dimming and LCD amplitude boost
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JP4285532B2 (ja) * 2006-12-01 2009-06-24 ソニー株式会社 バックライト制御装置、バックライト制御方法、および液晶表示装置
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JP4968219B2 (ja) * 2008-09-18 2012-07-04 株式会社Ｊｖｃケンウッド 液晶表示装置及びこれに用いる映像表示方法
JP5305884B2 (ja) * 2008-12-17 2013-10-02 株式会社東芝 画像処理装置、画像処理方法、及び画像処理プログラム
JP2010175913A (ja) * 2009-01-30 2010-08-12 Hitachi Ltd 画像表示装置
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JP2011186224A (ja) 2010-03-09 2011-09-22 Sony Corp 液晶表示装置および映像表示システム
JP5650422B2 (ja) * 2010-03-24 2015-01-07 ソニー株式会社 液晶表示装置
JP2011203323A (ja) * 2010-03-24 2011-10-13 Sony Corp 液晶表示装置
JP2011221292A (ja) 2010-04-09 2011-11-04 Sony Corp 液晶表示装置
JP2011227200A (ja) 2010-04-16 2011-11-10 Sony Corp 液晶表示装置
JP2011242605A (ja) 2010-05-18 2011-12-01 Sony Corp 液晶表示装置
JP2011242604A (ja) 2010-05-18 2011-12-01 Sony Corp 液晶表示装置

Also Published As

Publication number Publication date
CN102201211A (zh) 2011-09-28
US9514688B2 (en) 2016-12-06
US20110234566A1 (en) 2011-09-29
JP2011203322A (ja) 2011-10-13
CN102201211B (zh) 2015-04-29
US8933872B2 (en) 2015-01-13
US20150097875A1 (en) 2015-04-09

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