KR20080102744A - The device and method for managing power of tv set - Google Patents

The device and method for managing power of tv set Download PDF

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Publication number
KR20080102744A
KR20080102744A KR1020070049583A KR20070049583A KR20080102744A KR 20080102744 A KR20080102744 A KR 20080102744A KR 1020070049583 A KR1020070049583 A KR 1020070049583A KR 20070049583 A KR20070049583 A KR 20070049583A KR 20080102744 A KR20080102744 A KR 20080102744A
Authority
KR
South Korea
Prior art keywords
power
unit
led display
display unit
video device
Prior art date
Application number
KR1020070049583A
Other languages
Korean (ko)
Inventor
안상혁
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020070049583A priority Critical patent/KR20080102744A/en
Publication of KR20080102744A publication Critical patent/KR20080102744A/en

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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
    • 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
    • G06F1/329—Power saving characterised by the action undertaken by task scheduling
    • 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
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

Abstract

The present invention relates to a power management method of a video device and the video device, and to minimize the waste of power by controlling the power provided to the LED display to inform the standby state.

Thus, when the video device of the present invention does not generate a power-on signal of the video device for a long time or for a predetermined time in the standby mode state, it is unnecessary to cut off the power applied to the LED indicator light when the corresponding time elapses. This has the effect of minimizing power consumption.

Description

Power management method of video equipment and its video equipment {THE DEVICE AND METHOD FOR MANAGING POWER OF TV SET}

1 is a view showing a power management state of a video device having an LED display;

2 is a block diagram of a video device capable of managing power according to an embodiment of the present invention;

3 is a flowchart illustrating a power management method of an imaging apparatus according to an embodiment of the present invention in order;

4 is a flowchart illustrating a sequence of setting a power management mode according to an embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

100: video device 110: AC input unit

112: rectifier 114: switching unit

116 control unit 118 key input unit

120: memory section 122: timer section

124: LED display 126: microcomputer power supply

128: power supply of the display unit

130: power supply of the signal processing unit

The present invention relates to a power management method of a video device, and more particularly, to a power management method and a video device of the video device for minimizing the power consumption of the video device in the absence of the user.

In a video device to which a DCR (Digital Cable Ready) function is applied, a power management mode is composed of two modes, a standby mode and a normal driving mode.

Standby mode refers to a state in which only power enough to receive a remote control from the video device is supplied to the video device. In addition, the normal driving mode refers to a state in which all output power is normally supplied so that the user can use and control the video device.

Here, after viewing of the video device, when the user turns off the power of the TV with the remote control to switch the video device to the standby mode, an LED indicator provided on the front of the TV indicates that the current video device is in the standby mode. Lights up. That is, the user is informed through the LED indicator that the video device can control the power of the video device by receiving a remote control signal.

However, since the LED indicator that is turned on in the standby mode of the video device is continuously turned on, when the user does not watch the TV for a long time, the power is wasted because the power to turn on the LED is continuously consumed. There was this.

The present invention is to solve the above problems, an object of the present invention is to cut off the power applied to the LED indicator when the key input signal is not generated for a long time or a predetermined time in the standby mode of the video device The present invention provides a power management method of a video device that minimizes unnecessary power consumption and the video device.

According to an aspect of the present invention, there is provided a power management method of a video device, comprising: supplying power to a power supply unit of a microcomputer and an LED display unit displaying the standby mode when the current mode of the video device is a standby mode; Detecting the set time information to control the power supplied to the LED display, checking whether the power on signal is input before the set time, and if the set time has elapsed, supplying power to the LED display. Blocking and turning off the LED display.

In this case, the time information setting for controlling the power supplied to the LED display unit may be input by a user or stored as a default.

The off-LED display unit may further include a step of turning on the power when the power-on signal of the video device is input.

In addition, the video management apparatus of the power management for achieving the above object of the present invention, the AC input unit for applying AC power, the rectifying unit for receiving the AC power to convert to DC power, and the DC power switched in the rectifying unit of the microcomputer A switching unit selectively provided to a power supply unit, an LED display unit, a power supply unit of a signal processing unit, and a power supply unit of a display unit, an LED display unit provided outside the main body of the video apparatus to display a power supply state, and power supplied to the LED display unit Controls the power of the memory unit in which the time information for control is stored and the standby mode of supplying power only to the power supply of the microcomputer, and the normal driving mode of supplying power to the power supply of the microcomputer and the entire video device. Corresponding to the control unit to control the LED display to be off (off).

The apparatus further includes a timer unit for counting time information set in the memory unit.

Here, the LED display unit is turned on in the standby mode, and automatically turns off when a predetermined time set in the memory unit elapses.

In this case, the memory unit receives or stores time information for controlling power supplied to the LED display unit or stores the information as a default.

The controller may be configured to supply power to the LED display unit when a signal in a normal driving mode is input while the LED is turned off.

Hereinafter, the accompanying drawings of a method for a video device and a power management method using the same according to an embodiment of the present invention will be described in detail.

1 is a view showing a power management state of a video device having an LED display, the LED display unit 124 for providing information on the current power management mode of the current video device on one side of the outside of the main body of the video device 100 Is provided. At this time, when the power management mode is the standby mode, the LED display unit 124 is powered on (on) so that the user can know that the power state of the current image device 100 is in the standby state, and the power of the signal processing unit and the display unit It can be seen that power is not supplied to the supply unit.

2 is a block diagram of a video device capable of managing power according to an embodiment of the present invention. Referring to Figure 2, the configuration and signal flow of the imaging apparatus according to the present invention will be described.

In addition, as shown in FIG. 2, the main components of the present invention are illustrated, and the basic components for receiving and displaying broadcast signals in the video apparatus are omitted. However, even if the illustration and detailed description of the basic components are omitted, those skilled in the art can understand through the image device for controlling the power of the LED in accordance with the power management mode of the present invention despite the omission.

As described above, the imaging apparatus according to the embodiment of the present invention includes an AC input unit 110 that receives AC power supplied from the outside, and a rectifier 112 that supplies AC power input to the AC input unit 110 with DC power. The control unit controls the switching unit 114 according to the key input unit 118 receiving the time setting value so that the power management of the video device and the LED is automatically turned off (off) from the user. 116 and a switching unit 114 that connects the rectifier 112 and the power supply unit to supply power to a specific power supply unit under the control of the controller 116.

Here, the AC power applied to the AC input unit 110 is switched to the DC power through the rectifying unit 112. However, DC power is not directly transmitted to the power supply unit, and the microcomputer power supply unit 126, the LED display unit 124, the display power supply unit 128, and the signal are switched on and off by the switching unit 114. It is transmitted to the power supply unit 130 of the processing unit.

ON / OFF of the switching unit 114 to supply power to the entire video device according to the signal input by the user through the key input unit 118 so that the normal driving mode can be executed, or to receive only the signal of the remote control Switching to the rectifier 112 so that power is supplied to the power supply to supply power to the standby mode.

The control unit 116 controls the switching unit 114 according to a key signal input from the user so as to supply power only to the power supply unit 126 and the LED display unit 124 of the microcomputer to execute the standby mode state, Control the power supply to the whole video device so that the normal driving mode can be executed.

In addition, when the time stored in the memory unit 120 elapses in the standby mode in which the LED display unit 124 is turned on, the controller 116 controls the switching unit 114 to cut off the power supply so that the LED display unit 124 is turned off. (off). Subsequently, when a signal of a normal driving mode is input from a user while the LED is off, the switching unit 114 is controlled to supply power to the LED display unit 124.

Here, the time information for supplying power to the LED display unit 124 set in the memory unit 120 is counted by the timer unit 122, and the power supply and shutdown time information of the LED display unit 124 is set by the user. If the user selects the time information setting menu, it is set as a default when the video apparatus is manufactured and provided to the OSD.

The key input unit 118 provides the selected key signal to the video device when a local key included in the main body of the video device or a key provided in the remote controller is selected by the user.

A power management method according to an embodiment of the video device having such a configuration will be described with reference to FIG. 3 as follows.

3 is a flowchart illustrating a power management method of an imaging apparatus according to an embodiment of the present invention in order.

As shown in FIG. 3, first, the imaging apparatus converts power input through the AC input unit 110 into DC power through the rectifier 112 (S100).

Subsequently, the current power management mode of the video device is turned off by the remote controller to check whether the standby mode is in operation S110. If the standby mode is determined, the controller 116 controls the switching unit 114 to control the microcomputer. Switched DC power is supplied to the power supply unit 126 and the LED display unit 124 indicating the standby mode (S120).

Then, the control unit 116 checks whether the LED display unit 124, which is turned on to inform the standby mode state of the imaging apparatus, is set to a power saving mode to manage power (S130).

As a result of the check, when the LED display unit 124 is set to the power saving mode, the controller 116 checks the timer unit 122 at any time while continuously supplying power to the power supply unit 126 and the LED display unit 124 of the microcomputer, and the timer The unit 122 counts the supply and cutoff times of the power supplied to the LED display unit 124 and provides the control unit 116 when the corresponding time set in the memory unit 120 elapses.

Then, the control unit 116 cuts off the power supplied to the LED display unit 124 (S160) and controls to turn off the LED indicator (S170).

That is, if a power on signal of the video device is not input from the user before a predetermined time set in the memory unit 120 elapses, the controller 116 provides the LED display unit 124 after a predetermined time elapses. It will cut off the DC power.

Thus, the LED display unit 124 is off to execute the power saving mode.

Here, the controller 116 detects power supply and cutoff time information of the LED display unit 124 stored in the memory unit 120 to operate the timer unit 122.

On the other hand, if the power-on signal of the video device is input from the user before the timer 122 counts a predetermined time set in the memory 120 in S140, the controller 116 controls the switching unit 114. The power provided only by the LED display unit 124 and the microcomputer power supply unit 126 is provided to all the power supply units of the video device (S150). That is, power is supplied to the power supply unit 128 and the signal supply unit 130 of the display.

4 is a flowchart illustrating a sequence of setting a power management mode according to an embodiment of the present invention.

As shown in FIG. 4, when the user selects a power control setting menu of the LED display unit 124 provided by the imaging apparatus (S200), the controller 116 cuts off and supplies power provided to the LED display unit 124. It provides an OSD for setting the time information for (S210).

Thereafter, the time information input from the user is stored in the memory unit 120 (S220), and it is checked whether the current video device mode is in the standby mode state (S230).

As a result of the check, when the power management mode of the current video device is in the standby mode, the controller 116 supplies power to the LED display unit 124 and at the same time corresponds to the time information set in the memory unit 120, the timer unit 122. Activate

In addition, the timer unit 122 is checked from time to time to check whether the time set in the memory unit 120 has elapsed (S240).

Subsequently, when the time set in the memory unit 120 is counted by the timer unit 122 in S240 and the corresponding time elapses, the controller 116 supplies power in the standby mode and powers up the LED display unit 124 that is turned on. The LED display unit 124 is turned off (off) by controlling the switching unit 114 to block (S260).

On the other hand, if the time set in the memory unit 120 in S240 has not elapsed, from time to time The timer unit 122 is checked and time information is checked (S250).

Although the preferred embodiments of the present invention have been illustrated and described above, the present invention is not limited to the above-described embodiments, and the present invention is not limited to the above-described embodiments without departing from the spirit of the present invention as claimed in the claims. Of course, any person skilled in the art can make various modifications, and such changes are within the scope of the claims.

According to the present invention described above, when the power on signal is not input to the video device for a long time in the standby mode of the video device, unnecessary power is cut off by cutting off the power applied to the LED indicator indicating the standby mode state It is effective to prevent consumption.

Claims (8)

Supplying power to the power supply unit of the microcomputer and the LED display unit displaying the standby mode when the current mode of the video device is the standby mode; Detecting time information set to control power supplied to the LED display; Checking from time to time whether the power on signal is input before the set time, and cutting off the power supplied to the LED display when the set time elapses; And Turning off the LED display unit. The method of claim 1, The time information setting for controlling the power supplied to the LED display is input by the user, or stored in the default (default) power management method of the video device. The method of claim 1, The off LED display unit further comprises the step of turning on the power supplied when the power on (on) signal input of the video device, characterized in that the power management method of the video device.  An AC input unit for applying AC power; A rectifying unit receiving the AC power and converting the power into DC power; A switching unit for selectively providing the DC power converted by the rectifying unit to a power supply unit, an LED display unit, a signal supply unit power supply unit, and a display unit power supply unit of the microcomputer; An LED display unit provided outside the main body of the video apparatus to display a power supply state; A memory unit for storing time information for controlling power supplied to the LED display unit; And Controlling the power of the standby mode supplying power only to the power supply of the microcomputer and the normal driving mode supplying power to the power supply of the microcomputer and the entire video device, and the LED display unit corresponding to the time information stored in the memory unit. Imaging device including a control unit for controlling to be off (off). The method of claim 4, wherein And a timer unit for counting time information set in the memory unit. The method of claim 4, wherein And the LED display unit is turned on in the standby mode and automatically turned off when a predetermined time set in the memory unit elapses. The method of claim 6, And the memory unit stores time information for controlling power supplied to the LED display unit from a user, or stores the time information as a default. The method of claim 4, wherein And the control unit supplies power to the LED display unit when a signal of the normal driving mode is input while the LED is turned off.
KR1020070049583A 2007-05-22 2007-05-22 The device and method for managing power of tv set KR20080102744A (en)

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Application Number Priority Date Filing Date Title
KR1020070049583A KR20080102744A (en) 2007-05-22 2007-05-22 The device and method for managing power of tv set

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Application Number Priority Date Filing Date Title
KR1020070049583A KR20080102744A (en) 2007-05-22 2007-05-22 The device and method for managing power of tv set

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102930834A (en) * 2012-11-15 2013-02-13 深圳市华星光电技术有限公司 Method for reducing standby power consumption

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102930834A (en) * 2012-11-15 2013-02-13 深圳市华星光电技术有限公司 Method for reducing standby power consumption
CN102930834B (en) * 2012-11-15 2014-11-05 深圳市华星光电技术有限公司 Method for reducing standby power consumption

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