GB9926852D0 - Power saving circuit and method of monitor - Google Patents

Power saving circuit and method of monitor

Info

Publication number
GB9926852D0
GB9926852D0 GBGB9926852.6A GB9926852A GB9926852D0 GB 9926852 D0 GB9926852 D0 GB 9926852D0 GB 9926852 A GB9926852 A GB 9926852A GB 9926852 D0 GB9926852 D0 GB 9926852D0
Authority
GB
United Kingdom
Prior art keywords
monitor
power saving
saving circuit
circuit
power
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.)
Granted
Application number
GBGB9926852.6A
Other versions
GB2343823B (en
GB2343823A (en
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 Electronics Inc filed Critical LG Electronics Inc
Publication of GB9926852D0 publication Critical patent/GB9926852D0/en
Publication of GB2343823A publication Critical patent/GB2343823A/en
Application granted granted Critical
Publication of GB2343823B publication Critical patent/GB2343823B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3215Monitoring of peripheral devices
    • G06F1/3218Monitoring of peripheral devices of display devices
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/32Means for saving power
    • G06F1/3203Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234Power saving characterised by the action undertaken
    • G06F1/325Power saving in peripheral device
    • G06F1/3265Power saving in display device
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/22Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • H02M3/33523Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
    • 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
    • G09G2330/022Power management, e.g. power saving in absence of operation, e.g. no data being entered during a predetermined time
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • H02M1/0003Details of control, feedback or regulation circuits
    • H02M1/0032Control circuits allowing low power mode operation, e.g. in standby mode
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/50Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Direct Current Feeding And Distribution (AREA)
GB9926852A 1998-11-12 1999-11-12 Power saving circuit and method for a monitor Expired - Fee Related GB2343823B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019980048370A KR100282333B1 (en) 1998-11-12 1998-11-12 Monitor power-saving circuit

Publications (3)

Publication Number Publication Date
GB9926852D0 true GB9926852D0 (en) 2000-01-12
GB2343823A GB2343823A (en) 2000-05-17
GB2343823B GB2343823B (en) 2001-01-10

Family

ID=19557977

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9926852A Expired - Fee Related GB2343823B (en) 1998-11-12 1999-11-12 Power saving circuit and method for a monitor

Country Status (7)

Country Link
JP (1) JP3471683B2 (en)
KR (1) KR100282333B1 (en)
CN (1) CN1112627C (en)
BR (1) BR9907513A (en)
GB (1) GB2343823B (en)
ID (1) ID24865A (en)
MX (1) MXPA99010360A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100332043B1 (en) * 2000-07-04 2002-04-10 구자홍 Circuit for stabilization voltage of video appliance on display power management mode
JP4601186B2 (en) * 2001-02-19 2010-12-22 シャープ株式会社 Display device
KR100839851B1 (en) * 2001-10-17 2008-06-19 엘지전자 주식회사 Circuit for power supply
KR100488516B1 (en) 2002-02-05 2005-05-11 삼성전자주식회사 display apparatus and error detection method thereof
KR100522021B1 (en) * 2002-11-15 2005-10-19 주식회사 보성이테크 Apparatus for power-saving
KR100474636B1 (en) * 2002-11-15 2005-03-11 엘지전자 주식회사 Power supply device for a monitor
TW572346U (en) 2003-04-23 2004-01-11 Hon Hai Prec Ind Co Ltd Power control structure for an LCD
JP2005049651A (en) * 2003-07-29 2005-02-24 Iiyama Corp Display device
CN100388164C (en) * 2004-02-23 2008-05-14 纬创资通股份有限公司 Electricity saving set in computer system
TWI276028B (en) 2005-11-16 2007-03-11 Amtran Technology Co Ltd Power supply control circuit of display device
CN101685603B (en) * 2008-09-24 2011-06-22 晨星软件研发(深圳)有限公司 Very-low power consumption display control circuit and relative method
JP2011004473A (en) * 2009-06-16 2011-01-06 Sanyo Electric Co Ltd Power supply circuit and projection type display device
CN104137023B (en) * 2011-12-14 2017-03-22 环旭电子股份有限公司 Power supply unit and control circuit thereof and electricity saving method
CN107068097A (en) * 2017-05-12 2017-08-18 惠科股份有限公司 Display device and power saving method thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG83114A1 (en) * 1992-09-29 2001-09-18 Nanao Corp Crt display unit and power supply control method therefor
US5335168A (en) * 1993-01-13 1994-08-02 Compaq Computer Corporation Computer system with power-down mode for monitor
US5375245A (en) * 1993-02-22 1994-12-20 Tandberg Data A/S Apparatus for automatically reducing the power consumption of a CRT computer monitor
JPH09134154A (en) * 1995-11-07 1997-05-20 Sony Corp Video display device
KR0139545Y1 (en) * 1995-12-06 1999-04-01 삼성전자주식회사 Heater preheating device for crt
KR100224085B1 (en) * 1996-08-14 1999-10-15 윤종용 Power saving display device and method for controlling power thereof

Also Published As

Publication number Publication date
CN1112627C (en) 2003-06-25
KR20000032045A (en) 2000-06-05
GB2343823B (en) 2001-01-10
JP2000181430A (en) 2000-06-30
CN1254117A (en) 2000-05-24
JP3471683B2 (en) 2003-12-02
GB2343823A (en) 2000-05-17
MXPA99010360A (en) 2005-07-25
BR9907513A (en) 2000-09-05
KR100282333B1 (en) 2001-03-02
ID24865A (en) 2000-08-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20091112