CN1650220B - 通过调整背光和调节可视信号减少功耗的设备和方法 - Google Patents

通过调整背光和调节可视信号减少功耗的设备和方法 Download PDF

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Publication number
CN1650220B
CN1650220B CN038094150A CN03809415A CN1650220B CN 1650220 B CN1650220 B CN 1650220B CN 038094150 A CN038094150 A CN 038094150A CN 03809415 A CN03809415 A CN 03809415A CN 1650220 B CN1650220 B CN 1650220B
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CN
China
Prior art keywords
adjusted
lcd
backlight intensity
optical signal
intensity information
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Expired - Fee Related
Application number
CN038094150A
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English (en)
Chinese (zh)
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CN1650220A (zh
Inventor
张来赫
金在俊
南癠镐
洪镇佑
金镇雄
赵南翊
金炯中
金万培
金鳞澈
金海光
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Electronics and Telecommunications Research Institute ETRI
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Electronics and Telecommunications Research Institute ETRI
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Publication of CN1650220A publication Critical patent/CN1650220A/zh
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    • 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
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0606—Manual adjustment
    • 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
    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (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)
CN038094150A 2002-04-26 2003-04-25 通过调整背光和调节可视信号减少功耗的设备和方法 Expired - Fee Related CN1650220B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20020023151 2002-04-26
KR10-2002-0023151 2002-04-26
PCT/KR2003/000849 WO2003091791A1 (en) 2002-04-26 2003-04-25 Apparatus and method for reducing power consumption by adjusting backlight and adapting visual signal

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN200910170628A Division CN101661710A (zh) 2002-04-26 2003-04-25 可视数据调节设备及方法

Publications (2)

Publication Number Publication Date
CN1650220A CN1650220A (zh) 2005-08-03
CN1650220B true CN1650220B (zh) 2010-06-09

Family

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Family Applications (2)

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CN038094150A Expired - Fee Related CN1650220B (zh) 2002-04-26 2003-04-25 通过调整背光和调节可视信号减少功耗的设备和方法
CN200910170628A Pending CN101661710A (zh) 2002-04-26 2003-04-25 可视数据调节设备及方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN200910170628A Pending CN101661710A (zh) 2002-04-26 2003-04-25 可视数据调节设备及方法

Country Status (7)

Country Link
US (1) US20060071899A1 (enExample)
EP (1) EP1499918A4 (enExample)
JP (2) JP3964431B2 (enExample)
KR (1) KR20050023232A (enExample)
CN (2) CN1650220B (enExample)
AU (1) AU2003222505A1 (enExample)
WO (1) WO2003091791A1 (enExample)

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Also Published As

Publication number Publication date
EP1499918A4 (en) 2007-12-26
JP2005524101A (ja) 2005-08-11
JP2007171972A (ja) 2007-07-05
EP1499918A1 (en) 2005-01-26
AU2003222505A1 (en) 2003-11-10
WO2003091791A1 (en) 2003-11-06
KR20050023232A (ko) 2005-03-09
JP3964431B2 (ja) 2007-08-22
CN1650220A (zh) 2005-08-03
US20060071899A1 (en) 2006-04-06
CN101661710A (zh) 2010-03-03

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