JP5565829B2 - 駆動回路および液晶ディスプレイのグレー挿入方法 - Google Patents

駆動回路および液晶ディスプレイのグレー挿入方法 Download PDF

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Publication number
JP5565829B2
JP5565829B2 JP2010014520A JP2010014520A JP5565829B2 JP 5565829 B2 JP5565829 B2 JP 5565829B2 JP 2010014520 A JP2010014520 A JP 2010014520A JP 2010014520 A JP2010014520 A JP 2010014520A JP 5565829 B2 JP5565829 B2 JP 5565829B2
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Japan
Prior art keywords
frame
gray insertion
liquid crystal
crystal display
gray
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Expired - Fee Related
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JP2010014520A
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English (en)
Japanese (ja)
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JP2010250277A (ja
JP2010250277A5 (enExample
Inventor
士傑 顏
國隆 曹
享曇 林
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Chunghwa Picture Tubes Ltd
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Chunghwa Picture Tubes Ltd
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Publication of JP2010250277A5 publication Critical patent/JP2010250277A5/ja
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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
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms
    • G09G2310/061—Details of flat display driving waveforms for resetting or blanking
    • G09G2310/063—Waveforms for resetting the whole screen at once
    • 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
    • G09G2320/02—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
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the 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
    • 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
    • G09G2340/00—Aspects of display data processing
    • G09G2340/16—Determination of a pixel data signal depending on the signal applied in the previous frame
    • 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

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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)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP2010014520A 2009-04-16 2010-01-26 駆動回路および液晶ディスプレイのグレー挿入方法 Expired - Fee Related JP5565829B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW098112686A TW201039320A (en) 2009-04-16 2009-04-16 Driving circuit and gray insertion method of liquid crystal display
TW098112686 2009-04-16

Publications (3)

Publication Number Publication Date
JP2010250277A JP2010250277A (ja) 2010-11-04
JP2010250277A5 JP2010250277A5 (enExample) 2012-07-05
JP5565829B2 true JP5565829B2 (ja) 2014-08-06

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JP2010014520A Expired - Fee Related JP5565829B2 (ja) 2009-04-16 2010-01-26 駆動回路および液晶ディスプレイのグレー挿入方法

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Country Link
US (2) US20100265280A1 (enExample)
JP (1) JP5565829B2 (enExample)
TW (1) TW201039320A (enExample)

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US8344659B2 (en) * 2009-11-06 2013-01-01 Neofocal Systems, Inc. System and method for lighting power and control system
KR101872678B1 (ko) * 2009-12-28 2018-07-02 가부시키가이샤 한도오따이 에네루기 켄큐쇼 액정 표시 장치 및 전자 기기
US10126803B1 (en) 2011-04-04 2018-11-13 Google Llc Conditional power management activities
JP2012226152A (ja) * 2011-04-20 2012-11-15 Sony Corp 表示装置の駆動回路、表示装置、および表示装置の駆動方法
US10504485B2 (en) 2011-12-21 2019-12-10 Nokia Tehnologies Oy Display motion quality improvement
US9601059B2 (en) * 2012-05-15 2017-03-21 Google Inc. Dynamic backlight control selector
CN103237177B (zh) * 2013-04-24 2016-07-06 广州视睿电子科技有限公司 光源亮度调整方法与装置
KR102128579B1 (ko) * 2014-01-21 2020-07-01 삼성디스플레이 주식회사 게이트 구동 회로 및 이를 구비한 표시 장치
JP6347627B2 (ja) * 2014-03-03 2018-06-27 株式会社メガチップス デューティ比制御回路およびバックライト調整回路
KR102246262B1 (ko) * 2014-07-30 2021-04-30 삼성디스플레이 주식회사 표시 패널의 구동 방법 및 이를 수행하기 위한 표시 장치
TWI533273B (zh) * 2014-10-24 2016-05-11 友達光電股份有限公司 電力管理方法與電力管理裝置
CN104299578B (zh) * 2014-11-10 2016-09-14 深圳市华星光电技术有限公司 背光单元及其驱动方法、液晶显示装置
CN106604371A (zh) * 2016-10-28 2017-04-26 努比亚技术有限公司 一种终端智能节能控制装置、方法及移动终端
CN106412626B (zh) * 2016-10-31 2019-06-18 武汉斗鱼网络科技有限公司 一种直播视频的处理方法及装置
CN107016966B (zh) * 2017-05-10 2019-01-22 昆山龙腾光电有限公司 背光模组控制系统、控制方法及具有该系统的液晶模组
CN108231012A (zh) * 2018-01-18 2018-06-29 青岛海信日立空调系统有限公司 一种段码液晶显示器的背光亮度的调节方法及装置
CN110060628A (zh) * 2019-04-17 2019-07-26 上海天马微电子有限公司 一种显示驱动方法、装置、驱动芯片及显示装置
CN110392305B (zh) * 2019-07-25 2021-09-24 深圳创维－Rgb电子有限公司 视频静态画面的检测方法、终端及计算机可读存储介质
EP3985988A4 (en) 2019-07-25 2023-09-27 Shenzhen Skyworth-Rgb Electronic Co., Ltd Detection method for still picture of video, terminal, and computer-readable storage medium
KR102674165B1 (ko) * 2020-02-20 2024-06-13 삼성디스플레이 주식회사 표시 장치
CN111833823B (zh) * 2020-08-05 2021-06-08 北京显芯科技有限公司 背光电路的控制方法、背光电路以及lcd显示屏
US11145256B1 (en) * 2020-09-08 2021-10-12 Google Llc Dynamic control of scan signals in AMOLED displays
TWI788123B (zh) * 2021-12-01 2022-12-21 佳世達科技股份有限公司 影像顯示裝置及其控制方法
CN116229858B (zh) * 2021-12-02 2025-12-09 苏州佳世达电通有限公司 影像显示装置及其控制方法

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* Cited by examiner, † Cited by third party
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JP2001272938A (ja) * 2000-03-28 2001-10-05 Sharp Corp 色調調整回路およびその回路を備えたバックライトモジュールおよび発光ダイオード表示装置
JP4068317B2 (ja) * 2001-07-27 2008-03-26 Ｎｅｃディスプレイソリューションズ株式会社 液晶表示装置
JP4540940B2 (ja) * 2003-04-02 2010-09-08 シャープ株式会社 バックライト駆動装置、それを備えた表示装置、液晶テレビジョン受像機並びにバックライト駆動方法。
JP2007206279A (ja) * 2006-01-31 2007-08-16 Toshiba Matsushita Display Technology Co Ltd 液晶表示装置
JP2008268886A (ja) * 2007-03-29 2008-11-06 Nec Lcd Technologies Ltd 画像表示装置
US8736535B2 (en) * 2007-03-29 2014-05-27 Nlt Technologies, Ltd. Hold type image display system

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Publication number Publication date
JP2010250277A (ja) 2010-11-04
TW201039320A (en) 2010-11-01
US20100265280A1 (en) 2010-10-21
US20130002737A1 (en) 2013-01-03

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