EP3090422A1 - Stand-by power management in an imade display device having wake-on-lan function - Google Patents

Stand-by power management in an imade display device having wake-on-lan function

Info

Publication number
EP3090422A1
EP3090422A1 EP13817698.7A EP13817698A EP3090422A1 EP 3090422 A1 EP3090422 A1 EP 3090422A1 EP 13817698 A EP13817698 A EP 13817698A EP 3090422 A1 EP3090422 A1 EP 3090422A1
Authority
EP
European Patent Office
Prior art keywords
display device
image display
pluggable
graphics module
supply unit
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.)
Withdrawn
Application number
EP13817698.7A
Other languages
German (de)
French (fr)
Inventor
Dogan BAHAROZU
Tevfik Orkun
Vural KILIC
Mumun AKSAKAL
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of EP3090422A1 publication Critical patent/EP3090422A1/en
Withdrawn legal-status Critical Current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
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G09G5/006—Details of the interface to the display terminal
    • 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
    • G06F1/3209—Monitoring remote activity, e.g. over telephone lines or network connections
    • 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
    • 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
    • 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
    • G09G2330/026—Arrangements or methods related to booting a display
    • 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

Definitions

  • the present invention relates to an image display device which can be remotely woken from a remote location in standby mode without compromising non-elevated level standby power consumption.
  • An image display device such as a flat panel TV (i.e. LCD TV, LED TV), smart board, projection device etc. can be remotely activated through a network connection to regularly fulfill certain tasks.
  • a smart board in a school can be operated from a remote location to give a presentation to the students or lecturers.
  • pluggable graphics modules are commercially available as a separate unit to be instantly pluggable with an image display device to fulfill more advanced functions, for instance features associated with a smart board.
  • an image display device in standby mode typically receives power but is as such not operational. In other words, it will typically not respond to a network signal since the mainboard of the same only ensures that the device can fulfill “instant-on” functions.
  • an image display device such as a LCD TV is in standby mode when it is plugged in, but is not turned on. It is not on but it is ready to receive a signal from the remote control.
  • EP1261122 discloses a switching power supply unit comprising a timing generating circuit which receives a first control signal formed by a rectifier-transistor driving circuit and forms a second control signal based on the first control signal.
  • the second control signal is supplied to a control electrode of the rectifier transistor.
  • the first control signal is synchronized with the switching operation of a half-bridge circuit, and the second control signal exceeds a threshold voltage of a rectifier transistor at a timing substantially equal to the timing that one edge of the first control signal is generated and falls below the threshold voltage of the rectifier transistor at a timing earlier by predetermined time than the timing that the other edge of the first control signal is generated.
  • the problem associated with the network connection procedures of an image display device to which an external pluggable graphics module is connected originates from the fact that when the pluggable graphics module is not powered during the standby mode, no wake-on-LAN signal is processable and the image display device will accordingly not be turned on.
  • the present invention provides a circuit arrangement by which the pluggable graphics module is continually powered by the image display device to receive a wake-on-LAN signal while the latter remains in standby mode.
  • the simplistic yet advantageous circuit of the invention affords a very effective and quick solution for providing a remotely activatable image display device in signal connection with a pluggable graphics module.
  • the present invention provides a circuit arrangement by which the pluggable graphics module is continually powered by the image display device to receive a wake-on-LAN signal while the latter remains in standby mode as provided by the characterizing features defined in Claim 1.
  • Primary object of the present invention is to a provide circuit arrangement by which the pluggable graphics module is continually powered by the image display device to receive a wake-on-LAN signal while the latter remains in standby mode
  • the present invention proposes an image display device having a mainboard and a power supply unit with a standby power layer.
  • the standby power layer of said power supply unit typically provides that the image display device can be manually turned on, for instance by means of a remote control.
  • the image display device is electrically connectible with a pluggable graphics module in signal communication therewith, by means of a supported interface such as for instance the HDMI interface and the UART (Universal Asynchronous Receiver/Transmitter) connector.
  • the electronic board of the external pluggable graphics module is normally not powered by the power supply unit.
  • the power supply unit comprises an additional power layer connectible in electrical power communication with the electronic board of said pluggable graphics module in standby mode of the image display device.
  • the supply unit of the image display device is configured to receive a signal applied by the electronic board of the pluggable graphics module in the event a wake-on-LAN signal is received by the pluggable graphics module.
  • the mainboard of the image display device is energizable by the regular operational power output layer of the power supply unit.
  • Fig. 1 demonstrates the principal components of an image display device in the form of a flat panel TV in signal connection with a pluggable graphics module according to the present invention.
  • Fig. 2a demonstrates a conceptual comparative diagram providing the operational effect of the present invention.
  • Fig. 2b demonstrates a general flow diagram representation of the operational steps according to the present invention.
  • the present invention proposes an image display device in the form of a flat panel TV (i.e. LCD TV, LED TV), smart board, projection device etc. in signal connection with an external pluggable graphics module.
  • a flat panel TV i.e. LCD TV, LED TV
  • smart board i.e. LCD TV, LED TV
  • projection device etc. in signal connection with an external pluggable graphics module.
  • the principal components involved in the configuration according to the present invention are demonstrated in Fig. 1 in respect of a flat panel TV.
  • a mainboard of an image display device is powered by a power supply unit of the same and an external pluggable graphics module’s electronic board also suppliable by the power supply unit does not consume any active power when the image display device is in standby mode.
  • an external pluggable graphics module s electronic board also suppliable by the power supply unit does not consume any active power when the image display device is in standby mode.
  • Pluggable graphics modules or processors are commercially available products provided under the open pluggable specification (OPS) standard.
  • OPS open pluggable specification
  • a pluggable graphics module typically incorporates a hard disk and a robust CPU, eliminating the need for an external PC, cabling, mounting and power supply.
  • the external pluggable graphics module is typically equipped with a network board, or a network interface board, which is commonly referred to as a network adapter.
  • the network adapter can be built into the main electronic board of the module or may be built separately.
  • the pluggable graphics module may also comprise a wireless communication interface so that the image display device can be remotely connected in a wireless (Wi-Fi) network.
  • the pluggable graphics module will typically not respond to a network signal while the image display device is in standby mode.
  • the present invention proposes an additional power layer in electrical connection with the power supply unit of the image display device and in electrical power communication with the electronic board of the pluggable graphics module. This results in that in the event that a wake-on-LAN signal is detected by the pluggable graphics module, the electronic board will then apply a respective signal to the power supply unit, upon which the operational power output layer of the same will energize the mainboard of the image display device.
  • the power supply unit of the image display device according to the present invention is configured to receive a respective signal applied by said electronic board of the pluggable graphics module, upon which the mainboard is energized.
  • the image display device is actually turned on either when the user manually switches the device on or the network adapter of the pluggable graphics module receives a wake-on-LAN signal and the electronic board thereof in electrical power communication with the power supply unit applies a respective signal thereto.
  • the present invention proposes an image display device comprising a mainboard, a power supply unit with a standby power layer, said standby power layer of the power supply unit fulfilling instant-on function in the event the image display device is manually switched on, the image display device further being connectible with a pluggable graphics module in signal communication therewith, such that an electronic board of the external pluggable graphics module is suppliable by the power supply unit.
  • the image display device provides that said power supply unit comprises an additional power layer connectible in electrical power communication with an electronic board of the pluggable graphics module, the power supply unit of the image display device being configured to receive a signal applied by the electronic board of the pluggable graphics module in the event a wake-on-LAN signal is detected by the pluggable graphics module, upon which the mainboard of the image display device is energizable by the operational power output layer of the power supply unit.
  • the electrical circuit of the additional power layer of the power supply unit can be realized in a plurality of circuit arrangements and the circuit design alternatives providing the operational concept of the invention will be appreciated by the person skilled in the art.
  • the present invention provides a circuit arrangement by which the pluggable graphics module is continually powered by the image display device to receive a wake-on-LAN signal while the latter remains in standby mode and therefore exhibits a non-elevated power consumption that is in compliance with the requirements of the standby mode.
  • the simplistic yet advantageous circuit of the invention affords a very effective and quick solution for providing a remotely activatable image display device in signal connection with a pluggable graphics module.

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Power Sources (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

The present invention relates to an image display device comprising a mainboard, a power supply unit with a standby power layer, the standby power layer of the power supply unit fulfilling instant-on function in the event the image display device is manually switched on, the image display device further being connectible with a pluggable graphics module in signal communication therewith, such that an electronic board of the external pluggable graphics module is suppliable by the power supply unit.

Description

    STABD-BY POWER MANAGEMENT IN AN IMADE DISPLAY DEVICE HAVING WAKE-ON-LAN FUNCTION
  • The present invention relates to an image display device which can be remotely woken from a remote location in standby mode without compromising non-elevated level standby power consumption.
  • An image display device such as a flat panel TV (i.e. LCD TV, LED TV), smart board, projection device etc. can be remotely activated through a network connection to regularly fulfill certain tasks. For instance, a smart board in a school can be operated from a remote location to give a presentation to the students or lecturers. In this respect, it is to be noted that pluggable graphics modules are commercially available as a separate unit to be instantly pluggable with an image display device to fulfill more advanced functions, for instance features associated with a smart board.
  • It is to be noted that an image display device in standby mode typically receives power but is as such not operational. In other words, it will typically not respond to a network signal since the mainboard of the same only ensures that the device can fulfill “instant-on” functions. Typically, an image display device such as a LCD TV is in standby mode when it is plugged in, but is not turned on. It is not on but it is ready to receive a signal from the remote control.
  • Among others, a prior art publication in the technical field of the invention may be referred to as EP1261122, which discloses a switching power supply unit comprising a timing generating circuit which receives a first control signal formed by a rectifier-transistor driving circuit and forms a second control signal based on the first control signal. The second control signal is supplied to a control electrode of the rectifier transistor. The first control signal is synchronized with the switching operation of a half-bridge circuit, and the second control signal exceeds a threshold voltage of a rectifier transistor at a timing substantially equal to the timing that one edge of the first control signal is generated and falls below the threshold voltage of the rectifier transistor at a timing earlier by predetermined time than the timing that the other edge of the first control signal is generated.
  • The problem associated with the network connection procedures of an image display device to which an external pluggable graphics module is connected originates from the fact that when the pluggable graphics module is not powered during the standby mode, no wake-on-LAN signal is processable and the image display device will accordingly not be turned on.
  • The present invention, in this regard, provides a circuit arrangement by which the pluggable graphics module is continually powered by the image display device to receive a wake-on-LAN signal while the latter remains in standby mode. The simplistic yet advantageous circuit of the invention affords a very effective and quick solution for providing a remotely activatable image display device in signal connection with a pluggable graphics module.
  • The present invention provides a circuit arrangement by which the pluggable graphics module is continually powered by the image display device to receive a wake-on-LAN signal while the latter remains in standby mode as provided by the characterizing features defined in Claim 1.
  • Primary object of the present invention is to a provide circuit arrangement by which the pluggable graphics module is continually powered by the image display device to receive a wake-on-LAN signal while the latter remains in standby mode
  • The present invention proposes an image display device having a mainboard and a power supply unit with a standby power layer. The standby power layer of said power supply unit typically provides that the image display device can be manually turned on, for instance by means of a remote control. The image display device is electrically connectible with a pluggable graphics module in signal communication therewith, by means of a supported interface such as for instance the HDMI interface and the UART (Universal Asynchronous Receiver/Transmitter) connector.
  • The electronic board of the external pluggable graphics module is normally not powered by the power supply unit. According to the invention, the power supply unit comprises an additional power layer connectible in electrical power communication with the electronic board of said pluggable graphics module in standby mode of the image display device. The supply unit of the image display device is configured to receive a signal applied by the electronic board of the pluggable graphics module in the event a wake-on-LAN signal is received by the pluggable graphics module. In this case, the mainboard of the image display device is energizable by the regular operational power output layer of the power supply unit.
  • Accompanying drawings are given solely for the purpose of exemplifying an image display device in signal connection with a pluggable graphics module, whose advantages over prior art were outlined above and will be explained in brief hereinafter.
  • The drawings are not meant to delimit the scope of protection as identified in the claims nor should they be referred to alone in an effort to interpret the scope identified in the claims without recourse to the technical disclosure in the description of the present invention.
  • Fig. 1 demonstrates the principal components of an image display device in the form of a flat panel TV in signal connection with a pluggable graphics module according to the present invention.
  • Fig. 2a demonstrates a conceptual comparative diagram providing the operational effect of the present invention.
  • Fig. 2b demonstrates a general flow diagram representation of the operational steps according to the present invention.
  • The present invention proposes an image display device in the form of a flat panel TV (i.e. LCD TV, LED TV), smart board, projection device etc. in signal connection with an external pluggable graphics module. The principal components involved in the configuration according to the present invention are demonstrated in Fig. 1 in respect of a flat panel TV.
  • To this end, a mainboard of an image display device is powered by a power supply unit of the same and an external pluggable graphics module’s electronic board also suppliable by the power supply unit does not consume any active power when the image display device is in standby mode. This results in that the electronic board of the pluggable graphics module is only powered when the image display device is turned on by a user, upon which all the components of the image display device including the panel and the mainboard thereof are powered.
  • Pluggable graphics modules or processors are commercially available products provided under the open pluggable specification (OPS) standard. A pluggable graphics module typically incorporates a hard disk and a robust CPU, eliminating the need for an external PC, cabling, mounting and power supply.
  • The external pluggable graphics module is typically equipped with a network board, or a network interface board, which is commonly referred to as a network adapter. The network adapter can be built into the main electronic board of the module or may be built separately. In addition, the pluggable graphics module may also comprise a wireless communication interface so that the image display device can be remotely connected in a wireless (Wi-Fi) network.
  • Due to the fact that the mainboard of the image display device only ensures that the image display device can only fulfill “instant-on” function, the pluggable graphics module will typically not respond to a network signal while the image display device is in standby mode.
  • To this end, the present invention proposes an additional power layer in electrical connection with the power supply unit of the image display device and in electrical power communication with the electronic board of the pluggable graphics module. This results in that in the event that a wake-on-LAN signal is detected by the pluggable graphics module, the electronic board will then apply a respective signal to the power supply unit, upon which the operational power output layer of the same will energize the mainboard of the image display device. To this end, the power supply unit of the image display device according to the present invention is configured to receive a respective signal applied by said electronic board of the pluggable graphics module, upon which the mainboard is energized.
  • Accordingly, the image display device is actually turned on either when the user manually switches the device on or the network adapter of the pluggable graphics module receives a wake-on-LAN signal and the electronic board thereof in electrical power communication with the power supply unit applies a respective signal thereto.
  • In a nutshell, the present invention proposes an image display device comprising a mainboard, a power supply unit with a standby power layer, said standby power layer of the power supply unit fulfilling instant-on function in the event the image display device is manually switched on, the image display device further being connectible with a pluggable graphics module in signal communication therewith, such that an electronic board of the external pluggable graphics module is suppliable by the power supply unit.
  • The image display device according to the present invention provides that said power supply unit comprises an additional power layer connectible in electrical power communication with an electronic board of the pluggable graphics module, the power supply unit of the image display device being configured to receive a signal applied by the electronic board of the pluggable graphics module in the event a wake-on-LAN signal is detected by the pluggable graphics module, upon which the mainboard of the image display device is energizable by the operational power output layer of the power supply unit. The electrical circuit of the additional power layer of the power supply unit can be realized in a plurality of circuit arrangements and the circuit design alternatives providing the operational concept of the invention will be appreciated by the person skilled in the art.
  • In this regard, it is to be noted that the present invention provides a circuit arrangement by which the pluggable graphics module is continually powered by the image display device to receive a wake-on-LAN signal while the latter remains in standby mode and therefore exhibits a non-elevated power consumption that is in compliance with the requirements of the standby mode. The simplistic yet advantageous circuit of the invention affords a very effective and quick solution for providing a remotely activatable image display device in signal connection with a pluggable graphics module.

Claims (4)

  1. An image display device comprising a mainboard, a power supply unit with a standby power layer, said standby power layer of said power supply unit fulfilling instant-on function in the event the image display device is manually switched on, the image display device further being connectible with an external pluggable graphics module in signal communication therewith, such that an electronic board of said external pluggable graphics module is suppliable by the power supply unit characterized in that,
    the power supply unit comprises an additional power layer connectible in electrical power communication with an electronic board of the pluggable graphics module in standby mode of the image display device and
    said power supply unit of the image display device is configured to receive a signal applied by the electronic board of the pluggable graphics module in the event a wake-on-LAN signal is detected by the pluggable graphics module, upon which the mainboard of the image display device is energizable by an operational power output layer of the power supply unit.
  2. An image display device as in Claim 1, characterized in that the pluggable graphics module is not powerable by the operational power output layer of the power supply unit in standby mode of the image display device.
  3. An image display device as in Claim 1 or 2, characterized in that the image display device is electrically connectible with the pluggable graphics module by means of an HDMI interface and an UART connector.
  4. An image display device as in Claim 1 or 2, characterized in that the pluggable graphics module is equipped with a network interface board.
EP13817698.7A 2013-12-30 2013-12-30 Stand-by power management in an imade display device having wake-on-lan function Withdrawn EP3090422A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2013/078152 WO2015101397A1 (en) 2013-12-30 2013-12-30 Stabd-by power management in an imade display device having wake-on-lan function

Publications (1)

Publication Number Publication Date
EP3090422A1 true EP3090422A1 (en) 2016-11-09

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EP13817698.7A Withdrawn EP3090422A1 (en) 2013-12-30 2013-12-30 Stand-by power management in an imade display device having wake-on-lan function

Country Status (2)

Country Link
EP (1) EP3090422A1 (en)
WO (1) WO2015101397A1 (en)

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Publication number Priority date Publication date Assignee Title
CN109117192A (en) * 2018-07-12 2019-01-01 苏州佳世达光电有限公司 The switching device and Rouser of standby board can be waken up

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