GB2343823B - Power saving circuit and method for a monitor - Google Patents

Power saving circuit and method for a monitor

Info

Publication number
GB2343823B
GB2343823B GB9926852A GB9926852A GB2343823B GB 2343823 B GB2343823 B GB 2343823B GB 9926852 A GB9926852 A GB 9926852A GB 9926852 A GB9926852 A GB 9926852A GB 2343823 B GB2343823 B GB 2343823B
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.)
Expired - Fee Related
Application number
GB9926852A
Other versions
GB9926852D0 (en
GB2343823A (en
Inventor
Yeo Sung Yun
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

    • 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion 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
    • H02M3/325—Conversion 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
    • H02M3/335—Conversion 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
    • H02M3/33507—Conversion 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
    • H02M3/33523—Conversion 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
    • 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
    • G09G2330/022—Power management, e.g. power saving in absence of operation, e.g. no data being entered during a predetermined time
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies 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
    • 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
    • Y02D30/50—Reducing 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 GB9926852D0 (en) 2000-01-12
GB2343823A GB2343823A (en) 2000-05-17
GB2343823B true 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
KR100474636B1 (en) * 2002-11-15 2005-03-11 엘지전자 주식회사 Power supply device for a monitor
KR100522021B1 (en) * 2002-11-15 2005-10-19 주식회사 보성이테크 Apparatus for power-saving
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
DE112011105955B4 (en) * 2011-12-14 2016-09-01 Universal Global Scientific Industrial Co., Ltd. Power supply, control circuit of the same and method for energy saving
CN107068097A (en) * 2017-05-12 2017-08-18 惠科股份有限公司 Display device and its electricity saving method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0590837A2 (en) * 1992-09-29 1994-04-06 Nanao Corporation CRT display unit and power supply control method therefor
WO1994016379A1 (en) * 1993-01-13 1994-07-21 Compaq Computer Corporation Computer system with power-down mode for monitor
EP0613078A1 (en) * 1993-02-22 1994-08-31 Tandberg Data A/S Automatic monitor power reduction system for a computer
US5808693A (en) * 1995-11-07 1998-09-15 Sony Corporation Video display apparatus with power saving modes
US5870086A (en) * 1996-08-14 1999-02-09 Samsung Electronics Co., Ltd. Power saving display device and method for controlling power thereof
US5961648A (en) * 1995-11-30 1999-10-05 Samsung Electronics Co., Ltd. Heater preheating device for cathode ray tube

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0590837A2 (en) * 1992-09-29 1994-04-06 Nanao Corporation CRT display unit and power supply control method therefor
WO1994016379A1 (en) * 1993-01-13 1994-07-21 Compaq Computer Corporation Computer system with power-down mode for monitor
EP0613078A1 (en) * 1993-02-22 1994-08-31 Tandberg Data A/S Automatic monitor power reduction system for a computer
US5808693A (en) * 1995-11-07 1998-09-15 Sony Corporation Video display apparatus with power saving modes
US5961648A (en) * 1995-11-30 1999-10-05 Samsung Electronics Co., Ltd. Heater preheating device for cathode ray tube
US5870086A (en) * 1996-08-14 1999-02-09 Samsung Electronics Co., Ltd. Power saving display device and method for controlling power thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IBM Technical Disclosure Bulletin Vol. 34, No. 9, Feb 1992 See whole document *

Also Published As

Publication number Publication date
JP2000181430A (en) 2000-06-30
CN1112627C (en) 2003-06-25
GB9926852D0 (en) 2000-01-12
JP3471683B2 (en) 2003-12-02
BR9907513A (en) 2000-09-05
ID24865A (en) 2000-08-31
CN1254117A (en) 2000-05-24
MXPA99010360A (en) 2005-07-25
GB2343823A (en) 2000-05-17
KR20000032045A (en) 2000-06-05
KR100282333B1 (en) 2001-03-02

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Legal Events

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

Effective date: 20091112