KR100750305B1 - 액정 표시 장치와 그 구동 방법 - Google Patents

액정 표시 장치와 그 구동 방법 Download PDF

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Publication number
KR100750305B1
KR100750305B1 KR1020050112722A KR20050112722A KR100750305B1 KR 100750305 B1 KR100750305 B1 KR 100750305B1 KR 1020050112722 A KR1020050112722 A KR 1020050112722A KR 20050112722 A KR20050112722 A KR 20050112722A KR 100750305 B1 KR100750305 B1 KR 100750305B1
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KR
South Korea
Prior art keywords
period
scanning
liquid crystal
backlight
frame
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
KR1020050112722A
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English (en)
Korean (ko)
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KR20060059188A (ko
Inventor
요시후미 세끼구찌
쯔네노리 야마모또
쇼이찌 히로따
Original Assignee
가부시키가이샤 히타치 디스프레이즈
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Publication of KR20060059188A publication Critical patent/KR20060059188A/ko
Application granted granted Critical
Publication of KR100750305B1 publication Critical patent/KR100750305B1/ko
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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
    • G09G3/36—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
    • 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
    • G09G3/3648—Control of matrices with row and column drivers using an active 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
    • 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
    • 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
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0237—Switching ON and OFF the backlight within one 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
    • G09G2310/00—Command of the display device
    • G09G2310/08—Details of timing specific for flat panels, other than clock recovery
    • 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
    • G09G2320/0247—Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
    • 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
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • 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
    • G09G3/3696—Generation of voltages supplied to electrode drivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
KR1020050112722A 2004-11-26 2005-11-24 액정 표시 장치와 그 구동 방법 Expired - Fee Related KR100750305B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2004-00342611 2004-11-26
JP2004342611 2004-11-26

Publications (2)

Publication Number Publication Date
KR20060059188A KR20060059188A (ko) 2006-06-01
KR100750305B1 true KR100750305B1 (ko) 2007-08-20

Family

ID=36583195

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020050112722A Expired - Fee Related KR100750305B1 (ko) 2004-11-26 2005-11-24 액정 표시 장치와 그 구동 방법

Country Status (5)

Country Link
US (1) US20060125742A1 (enExample)
JP (1) JP5183871B2 (enExample)
KR (1) KR100750305B1 (enExample)
CN (1) CN100416647C (enExample)
TW (1) TW200629210A (enExample)

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JP4207990B2 (ja) * 2006-07-07 2009-01-14 セイコーエプソン株式会社 プロジェクタ
KR101265333B1 (ko) * 2006-07-26 2013-05-20 엘지디스플레이 주식회사 액정표시장치 및 그의 구동 방법
JP4648459B2 (ja) * 2006-09-28 2011-03-09 パナソニック株式会社 キーバックライト制御装置、携帯端末装置、キーバックライト制御方法及びキーバックライト制御プログラム
KR100933111B1 (ko) * 2006-11-21 2009-12-21 원 랩탑 퍼 차일드 어소시에이션 인코포레이티드 듀얼 모드 디스플레이
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US9390659B2 (en) 2007-07-18 2016-07-12 Ams Ag Circuit configuration and method for controlling particularly segmented LED background illumination
DE102007033471B4 (de) * 2007-07-18 2011-09-22 Austriamicrosystems Ag Schaltungsanordnung und Verfahren zur Ansteuerung segmentierter LED-Hintergrundbeleuchtungen
KR101452972B1 (ko) * 2008-02-13 2014-10-22 삼성디스플레이 주식회사 타이밍 컨트롤러, 이를 구비한 표시 장치 및 이의신호처리방법
TW200943271A (en) * 2008-04-02 2009-10-16 Novatek Microelectronics Corp Memory-saving display device
KR101515468B1 (ko) * 2008-12-12 2015-05-06 삼성전자주식회사 표시장치 및 그 동작방법
EP2434474A4 (en) * 2009-05-19 2013-03-27 Sharp Kk Liquid crystal display device and method for its activation
TWI415096B (zh) 2009-06-23 2013-11-11 Ili Technology Corp 背光控制之方法及其裝置
JP5370021B2 (ja) * 2009-09-07 2013-12-18 セイコーエプソン株式会社 液晶表示装置、駆動方法および電子機器
KR101094293B1 (ko) 2010-03-29 2011-12-19 삼성모바일디스플레이주식회사 액정 표시 장치 및 그 구동 방법
JPWO2011121860A1 (ja) * 2010-03-30 2013-07-04 シャープ株式会社 液晶表示装置、液晶表示方法
MX2012011071A (es) 2010-03-31 2012-11-12 Sharp Kk Dispositivo de visualizacion de cristal liquido y receptor de television.
WO2013069515A1 (ja) * 2011-11-07 2013-05-16 シャープ株式会社 表示装置およびその駆動方法
CN103280187B (zh) * 2013-06-09 2015-12-23 上海和辉光电有限公司 像素排列显示方法、装置及oled显示器
JP6334114B2 (ja) * 2013-09-05 2018-05-30 株式会社ジャパンディスプレイ 表示装置
US20160284281A1 (en) * 2013-11-01 2016-09-29 Sharp Kabushiki Kaisha Display apparatus and control device
US9984608B2 (en) * 2014-06-25 2018-05-29 Apple Inc. Inversion balancing compensation
KR102264655B1 (ko) * 2014-10-14 2021-06-15 삼성디스플레이 주식회사 표시 장치
US20190043438A1 (en) * 2016-04-20 2019-02-07 Sharp Kabushiki Kaisha Display device and control method therefor
US10453404B2 (en) * 2016-08-17 2019-10-22 Semiconductor Energy Laboratory Co., Ltd. Display method, display device, display module, and electronic device
CN106297633B (zh) * 2016-08-31 2019-12-17 上海中航光电子有限公司 显示面板的驱动方法、显示面板及显示装置
CN108074516A (zh) * 2016-11-16 2018-05-25 浙江正泰电器股份有限公司 一种led显示扫描方法和变频器
JP2019168594A (ja) * 2018-03-23 2019-10-03 キヤノン株式会社 表示装置、表示装置の制御方法、プログラムおよび記憶媒体
JP2019184725A (ja) * 2018-04-05 2019-10-24 シャープ株式会社 表示装置
JP2021135309A (ja) * 2020-02-21 2021-09-13 シャープ株式会社 表示制御装置、表示制御方法及び表示制御プログラム
KR102699977B1 (ko) * 2020-03-11 2024-08-30 크리엘이디, 인크. 발광 다이오드들 및 발광 다이오드 디스플레이들의 능동 제어
CN112735343B (zh) * 2021-01-04 2022-03-15 成都中电熊猫显示科技有限公司 发光元器件调光控制方法、装置及显示装置
WO2023236156A1 (zh) 2022-06-09 2023-12-14 京东方科技集团股份有限公司 装置及驱动方法、背光驱动单元、微芯片、数据传输方法

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Also Published As

Publication number Publication date
CN1783197A (zh) 2006-06-07
TWI308313B (enExample) 2009-04-01
KR20060059188A (ko) 2006-06-01
JP2006178435A (ja) 2006-07-06
CN100416647C (zh) 2008-09-03
JP5183871B2 (ja) 2013-04-17
US20060125742A1 (en) 2006-06-15
TW200629210A (en) 2006-08-16

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