TWI308313B - - Google Patents

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Publication number
TWI308313B
TWI308313B TW094137032A TW94137032A TWI308313B TW I308313 B TWI308313 B TW I308313B TW 094137032 A TW094137032 A TW 094137032A TW 94137032 A TW94137032 A TW 94137032A TW I308313 B TWI308313 B TW I308313B
Authority
TW
Taiwan
Prior art keywords
period
scanning
liquid crystal
wiring
backlight
Prior art date
Application number
TW094137032A
Other languages
English (en)
Chinese (zh)
Other versions
TW200629210A (en
Inventor
Shoichi Hirota
Original Assignee
Hitachi Displays Ltd
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 Hitachi Displays Ltd filed Critical Hitachi Displays Ltd
Publication of TW200629210A publication Critical patent/TW200629210A/zh
Application granted granted Critical
Publication of TWI308313B publication Critical patent/TWI308313B/zh

Links

Classifications

    • 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
    • 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
    • G09G3/3648Control of matrices with row and column drivers using an active matrix
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • 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
    • 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
    • G09G3/3406Control of illumination source
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/02Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0237Switching ON and OFF the backlight within one frame
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00Command of the display device
    • G09G2310/08Details of timing specific for flat panels, other than clock recovery
    • 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
    • G09G2320/0247Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes
    • 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
    • G09G2320/0626Adjustment of display parameters for control of overall brightness
    • G09G2320/064Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
    • 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
    • G09G2320/0626Adjustment of display parameters for control of overall brightness
    • G09G2320/0646Modulation of illumination source brightness and image signal correlated to each other
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02Details of power systems and of start or stop of display operation
    • G09G2330/021Power management, e.g. power saving
    • 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
    • G09G3/3696Generation of voltages supplied to electrode drivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (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)
TW094137032A 2004-11-26 2005-10-21 Liquid-crystal display device and method of driving liquid-crystal display device TW200629210A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004342611 2004-11-26

Publications (2)

Publication Number Publication Date
TW200629210A TW200629210A (en) 2006-08-16
TWI308313B true TWI308313B (enExample) 2009-04-01

Family

ID=36583195

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094137032A TW200629210A (en) 2004-11-26 2005-10-21 Liquid-crystal display device and method of driving liquid-crystal display device

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI415096B (zh) * 2009-06-23 2013-11-11 Ili Technology Corp 背光控制之方法及其裝置

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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
JP5510859B2 (ja) * 2007-03-30 2014-06-04 Nltテクノロジー株式会社 バックライト装置および液晶表示装置
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
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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
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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
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI415096B (zh) * 2009-06-23 2013-11-11 Ili Technology Corp 背光控制之方法及其裝置
US8730149B2 (en) 2009-06-23 2014-05-20 Ili Technology Corp. Method for back light control and apparatus thereof

Also Published As

Publication number Publication date
CN1783197A (zh) 2006-06-07
KR100750305B1 (ko) 2007-08-20
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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