AU2003241015A1 - Image or video display device and method of controlling a refresh rate of a display - Google Patents

Image or video display device and method of controlling a refresh rate of a display

Info

Publication number
AU2003241015A1
AU2003241015A1 AU2003241015A AU2003241015A AU2003241015A1 AU 2003241015 A1 AU2003241015 A1 AU 2003241015A1 AU 2003241015 A AU2003241015 A AU 2003241015A AU 2003241015 A AU2003241015 A AU 2003241015A AU 2003241015 A1 AU2003241015 A1 AU 2003241015A1
Authority
AU
Australia
Prior art keywords
image
controlling
refresh rate
display device
video display
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.)
Abandoned
Application number
AU2003241015A
Inventor
Philip David Austin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sendo International Ltd
Original Assignee
Sendo International 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
Priority claimed from GBGB0212142.4A external-priority patent/GB0212142D0/en
Application filed by Sendo International Ltd filed Critical Sendo International Ltd
Publication of AU2003241015A1 publication Critical patent/AU2003241015A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3215—Monitoring of peripheral devices
    • G06F1/3218—Monitoring of peripheral devices of display devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/325—Power saving in peripheral device
    • G06F1/3265—Power saving in display device
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/18—Timing circuits for raster scan displays
    • 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
    • G09G2320/0613—The adjustment depending on the type of the information to be displayed
    • 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
    • G09G2320/10—Special adaptations of display systems for operation with variable images
    • 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
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
    • G09G2340/0435—Change or adaptation of the frame rate of the video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0267—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components
    • H04W52/027—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components by controlling a display operation or backlight unit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
AU2003241015A 2002-05-27 2003-05-27 Image or video display device and method of controlling a refresh rate of a display Abandoned AU2003241015A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB0212142.4 2002-05-27
GBGB0212142.4A GB0212142D0 (en) 2002-05-27 2002-05-27 Method of controlling a refresh rate of a display
GBGB0214112.5 2002-06-20
GB0214112A GB2381931B (en) 2002-05-27 2002-06-20 Method of controlling a refresh rate of a display
PCT/GB2003/002294 WO2003100759A1 (en) 2002-05-27 2003-05-27 Image or video display device and method of controlling a refresh rate of a display

Publications (1)

Publication Number Publication Date
AU2003241015A1 true AU2003241015A1 (en) 2003-12-12

Family

ID=29585823

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003241015A Abandoned AU2003241015A1 (en) 2002-05-27 2003-05-27 Image or video display device and method of controlling a refresh rate of a display

Country Status (4)

Country Link
JP (1) JP2005534047A (en)
KR (1) KR20050060033A (en)
AU (1) AU2003241015A1 (en)
WO (1) WO2003100759A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7605794B2 (en) 2005-12-22 2009-10-20 Nokia Corporation Adjusting the refresh rate of a display
US20080055318A1 (en) 2006-08-31 2008-03-06 Glen David I J Dynamic frame rate adjustment
US8451279B2 (en) * 2006-12-13 2013-05-28 Nvidia Corporation System, method and computer program product for adjusting a refresh rate of a display
US8179388B2 (en) 2006-12-15 2012-05-15 Nvidia Corporation System, method and computer program product for adjusting a refresh rate of a display for power savings
US7903107B2 (en) 2007-06-18 2011-03-08 Sony Ericsson Mobile Communications Ab Adaptive refresh rate features
US8207977B1 (en) 2007-10-04 2012-06-26 Nvidia Corporation System, method, and computer program product for changing a refresh rate based on an identified hardware aspect of a display system
US8284210B1 (en) 2007-10-04 2012-10-09 Nvidia Corporation Bandwidth-driven system, method, and computer program product for changing a refresh rate
JP4802260B2 (en) * 2009-04-24 2011-10-26 ソニー エリクソン モバイル コミュニケーションズ， エービー Display device, display method, and program
US20120147020A1 (en) * 2010-12-13 2012-06-14 Ati Technologies Ulc Method and apparatus for providing indication of a static frame
CN102968978B (en) 2011-08-31 2016-01-27 联想(北京)有限公司 A kind of control method of display refresh rates and device
US10082860B2 (en) 2011-12-14 2018-09-25 Qualcomm Incorporated Static image power management
KR101941508B1 (en) * 2012-02-24 2019-04-12 삼성전자주식회사 Apparatus and method for controlling display in electronic device
KR101982830B1 (en) 2012-07-12 2019-05-28 삼성디스플레이 주식회사 Display device and driving method thereof
KR101997776B1 (en) 2012-10-16 2019-07-08 삼성전자주식회사 Method for reducing for consumption power of display unit and an electronic device thereof
CN105103214B (en) * 2013-01-14 2018-06-08 苹果公司 Low-power with variable refresh rate shows equipment
KR102057502B1 (en) 2013-03-07 2020-01-22 삼성전자주식회사 Display Drive IC and Image Display System
KR102105410B1 (en) 2013-07-25 2020-04-29 삼성전자주식회사 Display driver ic, apparatus including the same, and operation method thereof
CN105094272A (en) * 2014-05-14 2015-11-25 中兴通讯股份有限公司 Regulating method and regulating device for hardware refresh rate of terminal
US20160180804A1 (en) * 2014-12-23 2016-06-23 Intel Corporation Refresh rate control using sink requests
KR20210158110A (en) 2020-06-23 2021-12-30 삼성전자주식회사 Electronic device for dynamically adjusting the refresh rate of the display

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07152340A (en) * 1993-11-30 1995-06-16 Rohm Co Ltd Display device
US5781768A (en) * 1996-03-29 1998-07-14 Chips And Technologies, Inc. Graphics controller utilizing a variable frequency clock
US5991883A (en) * 1996-06-03 1999-11-23 Compaq Computer Corporation Power conservation method for a portable computer with LCD display
JP3496431B2 (en) * 1997-02-03 2004-02-09 カシオ計算機株式会社 Display device and driving method thereof
JP2002026801A (en) * 2000-07-05 2002-01-25 Toshiba Corp Radio communication terminal
JP3949407B2 (en) * 2000-08-18 2007-07-25 株式会社半導体エネルギー研究所 Liquid crystal display
GB2366439A (en) * 2000-09-05 2002-03-06 Sharp Kk Driving arrangements for active matrix LCDs
GB2378343B (en) * 2001-08-03 2004-05-19 Sendo Int Ltd Image refresh in a display

Also Published As

Publication number Publication date
WO2003100759A1 (en) 2003-12-04
KR20050060033A (en) 2005-06-21
JP2005534047A (en) 2005-11-10

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase