TWI320561B - Method and apparatus for driving liquid crystal display device - Google Patents

Method and apparatus for driving liquid crystal display device

Info

Publication number
TWI320561B
TWI320561B TW094145365A TW94145365A TWI320561B TW I320561 B TWI320561 B TW I320561B TW 094145365 A TW094145365 A TW 094145365A TW 94145365 A TW94145365 A TW 94145365A TW I320561 B TWI320561 B TW I320561B
Authority
TW
Taiwan
Prior art keywords
liquid crystal
display device
crystal display
driving liquid
driving
Prior art date
Application number
TW094145365A
Other languages
English (en)
Other versions
TW200622980A (en
Inventor
Hee Jung Hong
Kyung Joon Kwon
Original Assignee
Lg Display Co 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 Lg Display Co Ltd filed Critical Lg Display Co Ltd
Publication of TW200622980A publication Critical patent/TW200622980A/zh
Application granted granted Critical
Publication of TWI320561B publication Critical patent/TWI320561B/zh

Links

Classifications

    • 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
    • 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
    • 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
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/066—Adjustment of display parameters for control of contrast
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)
TW094145365A 2004-12-29 2005-12-20 Method and apparatus for driving liquid crystal display device TWI320561B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020040115740A KR101103889B1 (ko) 2004-12-29 2004-12-29 액정표시장치와 그 구동방법

Publications (2)

Publication Number Publication Date
TW200622980A TW200622980A (en) 2006-07-01
TWI320561B true TWI320561B (en) 2010-02-11

Family

ID=36610843

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094145365A TWI320561B (en) 2004-12-29 2005-12-20 Method and apparatus for driving liquid crystal display device

Country Status (4)

Country Link
US (1) US7786963B2 (zh)
KR (1) KR101103889B1 (zh)
CN (1) CN100437734C (zh)
TW (1) TWI320561B (zh)

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US20080122857A1 (en) * 2006-11-29 2008-05-29 Chih-Lin Hsuan Methods and devices for adjusting display characteristic of a video frame according to luminance statistics
KR101351888B1 (ko) 2006-12-20 2014-01-17 엘지디스플레이 주식회사 액정표시장치와 그 구동방법
TWI455085B (zh) * 2007-01-26 2014-10-01 Au Optronics Corp 液晶顯示器之背光控制方法
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TWI440015B (zh) * 2007-10-18 2014-06-01 Au Optronics Corp 液晶顯示器中之影像處理方法
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WO2012026110A1 (ja) * 2010-08-26 2012-03-01 パナソニック株式会社 映像表示制御装置
US20120075353A1 (en) * 2010-09-27 2012-03-29 Ati Technologies Ulc System and Method for Providing Control Data for Dynamically Adjusting Lighting and Adjusting Video Pixel Data for a Display to Substantially Maintain Image Display Quality While Reducing Power Consumption
KR101950825B1 (ko) * 2011-12-07 2019-02-22 엘지디스플레이 주식회사 평판 표시장치 및 그 구동방법
JP6226186B2 (ja) 2012-02-03 2017-11-08 パナソニックＩｐマネジメント株式会社 映像表示制御装置
WO2014038336A1 (ja) * 2012-09-07 2014-03-13 シャープ株式会社 画像表示装置、画像表示装置の制御方法、制御プログラムおよび記録媒体
CN104021767B (zh) * 2013-03-01 2016-12-28 刘鸿达 伽码曲线调整方法与其伽码电压产生器和显示装置
KR102255590B1 (ko) * 2014-11-10 2021-05-26 엘지디스플레이 주식회사 표시장치의 동적 범위 확장 방법 및 장치
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Also Published As

Publication number Publication date
TW200622980A (en) 2006-07-01
KR101103889B1 (ko) 2012-01-12
CN100437734C (zh) 2008-11-26
US20060139270A1 (en) 2006-06-29
US7786963B2 (en) 2010-08-31
KR20060076052A (ko) 2006-07-04
CN1797533A (zh) 2006-07-05

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees