KR20120072180A - Display apparatus and method for drive controlling thereof - Google Patents

Display apparatus and method for drive controlling thereof Download PDF

Info

Publication number
KR20120072180A
KR20120072180A KR1020100134009A KR20100134009A KR20120072180A KR 20120072180 A KR20120072180 A KR 20120072180A KR 1020100134009 A KR1020100134009 A KR 1020100134009A KR 20100134009 A KR20100134009 A KR 20100134009A KR 20120072180 A KR20120072180 A KR 20120072180A
Authority
KR
South Korea
Prior art keywords
sub
power
scaler
signal
microcom
Prior art date
Application number
KR1020100134009A
Other languages
Korean (ko)
Inventor
김진열
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 KR1020100134009A priority Critical patent/KR20120072180A/en
Publication of KR20120072180A publication Critical patent/KR20120072180A/en

Links

Images

Classifications

    • 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
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

The present invention relates to a device for supplying driving power to a display device, the device comprising: a main micom for controlling the operation and power supply of the display device; A scaler configured to display an input video signal according to the control of the main micom; A sub-microcom for controlling power to be supplied to the scaler in response to a power-on signal input from the user in the standby mode; And a switching unit for switching a connection between the scaler and the sub-microcom according to a control signal output from the sub-microcom.

Description

Display apparatus and drive control method thereof

The present invention relates to a method of controlling a power supply of a display device.

In general, electronic devices such as a display device do not perform continuous operations, but often have to stay in the standby state even when the power is supplied. However, in this case, power is wasted on various internal circuits that do not operate in the standby state.

That is, in the stand-by mode operating to recognize the on / off of the power switch, it should be driven with a small amount of current applied to the microcomputer.

An object of the present invention is to provide a display device and a drive control method thereof capable of reducing standby power.

A display device according to an embodiment of the present invention, the main micom for controlling the operation and power supply of the display device; A scaler configured to display an input video signal according to the control of the main micom; A sub-microcom for controlling power to be supplied to the scaler in response to a power-on signal input from a user in a standby mode; And a switching unit for switching a connection between the scaler and the sub-microcom according to a control signal output from the sub-microcom.

In accordance with another aspect of the present invention, a driving control method of a display apparatus includes: receiving a power-on signal input from a user in a standby mode; In response to receiving the power-on signal, enabling a DC-DC converter according to a control signal output from the sub-microcom to turn on a switch connected between the sub-microcom and the scaler; And supplying power to the scaler.

On the other hand, the control method may be implemented as a computer-readable recording medium recording a program for execution in a computer.

According to an embodiment of the present invention, by controlling the switching connection between the sub-microcom and the scaler for power control in the standby mode state, it is possible to effectively reduce the standby power consumption of the display device and improve the reliability of the operation.

1 is a block diagram illustrating a configuration of a display device.
Fig. 2 is a block diagram briefly showing the configuration of the monitor.
3 is a block diagram illustrating a configuration of a display apparatus according to an exemplary embodiment of the present invention.
4 is a flowchart illustrating a driving control method of a display apparatus according to an exemplary embodiment of the present invention.
FIG. 5 is a diagram illustrating an embodiment of a configuration of a switching unit connected between a sub micom and a scaler.

Hereinafter, a display apparatus according to an exemplary embodiment of the present invention and a driving control method thereof will be described in detail with reference to the accompanying drawings.

1 is a block diagram illustrating a configuration of a display device.

The display device according to an exemplary embodiment of the present invention may include a receiver 100, a processor 120, an outputter 130, a microcomputer 140, a memory 150, and a key inputter 160.

The receiving unit 110 may include an external signal input unit 111 and a tuner unit 112, and the processing unit 120 may include an image / audio signal switching unit 121, an A / D converter 122, an MPEG decoder, and an image. The audio signal processor 123 and the image memory unit 124 may be included.

The output unit 130 may include a scaler 131, a display module 132, an audio signal output unit 133, and a speaker 134. The external signal input unit 111 receives an external signal received from an external device such as a digital versatile disk (DVD), a set top box, a camcorder, or the like, and provides the external signal input to the video / audio signal switching unit 121.

In particular, the external signal input unit 111 included in the receiver 110 according to an exemplary embodiment of the present invention includes a plurality of input ports 111A that can be connected to an external device.

In addition, the switch unit 113 operates in a standby mode in which power is cut off for a reference time by a preset standby mode request or when there is a reference time or more, whether there is a signal input through the external input port 111A and a user request. The controller detects whether an external input request signal is generated and operates in an active mode to perform a corresponding function.

The tuner unit 112 tunes at least one channel according to the control signal of the microcomputer 140, and decodes or separates the video / audio / data signals received through the tuned channel to the video / audio signal switching unit 121. And so on. In addition, the tuner unit 112 includes an analog tuner unit 112a for receiving an analog signal, a digital tuner unit 112d for receiving a digital signal, an analog decoder 112d for decoding an analog signal, and a digital decoder for decoding a digital signal. And may include 112e.

The video / audio signal output through the digital decoder has a form of a transport stream. The video / audio signal switching unit 121 selects at least one channel among the channels provided from the external signal input unit 111 and the tuner unit 112, separates the video / audio signal of the channel as necessary, and then stores the MPEG. The decoder and the video / audio signal processor 123 are provided. The video / audio signal switching unit 121 may include a demultiplexer capable of separating video / audio data signals.

When the signal selected by the video / audio signal switching unit 121 is an analog signal, the analog video signal and the audio signal of the analog signal are separated, and then the analog video signal is converted into a digital video signal by the A / D converter 122. The MPEG decoder and the video / audio signal processor 123 may be provided, and the analog audio signal may be provided to the audio signal output unit 133. When the signal selected by the video / audio signal switching unit 121 is a digital signal, both the video signal and the audio signal of the digital signal may be provided to the MPEG decoder and the video / audio signal processing unit 123.

The MPEG decoder and the video / audio signal processing unit 123 restore and process the video / audio stream among the output signals of the video / audio signal switching unit 121 to the video / audio data, and the processed video signal is scaler 131. The audio signal provided and processed is provided to the audio signal output unit 133. In addition, the MPEG decoder and the video / audio signal processor 123 may mix the video signal from which the OSD (On Screen Display) data provided by the microcomputer 140 is restored and processed.

The image memory unit 124 provides a memory area required for decoding and signal processing of the MPEG decoder and the video / audio signal processor 123. In particular, the memory unit 150 is used to compare the content identity of two or more channels when the symbol using step and the image input step used in the searching step having different channels that broadcast the same content are performed.

The video signal output unit 131 processes the video signal output from the MPEG decoder and the video / audio signal processing unit 123 through the display module 132. In particular, the image signal output unit 131 according to an embodiment of the present invention is a switching unit 113 for controlling the control signal for setting the path to the corresponding input port according to the external input connection request signal input by the user request from the microcomputer 140 Performs the function to output to).

The microcomputer 140 controls the operation of the modules provided in the display device as shown in FIG. 1 and controls the power supply to the modules.

The scaler 131 performs a function of outputting a control signal for enabling the switch 113 to perform a path setting to the corresponding external input port 111A according to the external input selection signal input from the microcomputer 140.

The key input unit 160 may be, for example, a local key button attached to a remote controller or an image device, and receives various commands and information from a user, converts them into control signals, and delivers them to the microcomputer 140. . In particular, the key input unit 160 according to an embodiment of the present invention may be provided with a key to allow the user to select an external input according to various external devices connected to the external signal input unit 111.

The microcomputer 140 may be designed and connected to control the components of the display device. In particular, the microcomputer 140 according to an embodiment of the present invention detects an external input selection signal input from the key input unit 160 and outputs the detected signal to the image signal output unit 131. In addition, the microcomputer 140 performs a function of controlling the standby mode and the active mode of the switch 113 according to the external input selection signal output from the scaler 131.

The memory unit 150 stores information input by a user or data generated and managed by the microcomputer 140. The memory unit 150 according to an embodiment of the present invention stores data for turning on / off the switch unit 113 of the external signal input unit 111 according to the standby mode of the scaler 131.

In addition, a function of storing an on holding time and an off holding time for performing the standby mode of the scaler 131 including the switch 113 may be performed.

On the other hand, the display device according to an embodiment of the present invention may be a monitor for displaying a video signal of a predetermined format transmitted from a video card of a PC through a series of signal processing, such as digital sampling and scaling.

2 shows a block diagram of a simplified configuration of the monitor.

2, the monitor, the D-Sub connection jack 210 receives the R, G, B image signal and H / V sync signal from an external device such as a PC (not shown), ADC 220 is The R, G, and B video signals input through the D-Sub connection jack 100 are received and converted into digital R, G, and B video signals.

In addition, the microcomputer 240 controls the resolution to be automatically adjusted by determining the resolution according to the pin connection state of the D-Sub connection jack 210 and the input horizontal / vertical synchronization signal.

Meanwhile, the scaler 230 processes the R, G, and B image signals input through the D-Sub connection jack 210 to be displayed on the screen according to the control signal of the microcomputer 240.

The memory 250 stores the clock and phase values set according to the automatic resolution adjustment through communication with the microcomputer 240, or deletes the stored clock and phase values, and the display unit 600 processes the scaler 300. Display the displayed video signal.

The display device according to an embodiment of the present invention includes two microcomputers, that is, a main microcomputer and a sub-microcom, and the power consumption in the standby mode can be reduced by controlling the power supply in the standby mode using the sub-microcom. .

FIG. 3 is a block diagram illustrating a configuration of a display apparatus according to an exemplary embodiment of the present invention. A description of the same configuration as that described with reference to FIGS. 1 and 2 will be omitted below. do.

Referring to FIG. 3, the main microcomputer 241 functions to control the overall operation of the display device, and supplies power to a tuner, a demodulator, a decoder, an output device, etc. provided in the display device, and controls the user. Make sure you can watch the video.

On the other hand, the sub-microcom 242 controls the standby mode (stand-by) of the display device, and receives the power-on signal by the user's key operation in the standby mode, and accordingly the main micro-computer 241 and the scaler ( 230 may be controlled to supply power.

To this end, the sub micom 242 receives power from the power supply unit 270 even in the standby mode in order to respond to a signal input from a remote controller (not shown) in the standby mode, and in the standby mode state, the sub micom ( Power may only be supplied to 242.

For example, when a power on signal is input from a remote controller receiver (not shown) included in the display device in the standby mode, the sub micom 242 controls the power supply unit 270 to supply power to the scaler 230. Can be.

In addition, the sub micom 242 may operate by receiving power from a separate standby power supply (not shown) in the standby mode.

According to the exemplary embodiment of the present invention, as shown in FIG. 3, the switching unit 280 may be connected between the sub microcomputer 242 and the scaler 230.

The switching unit 280 may switch the connection between the scaler 230 and the sub micom 242 according to a control signal output from the sub micom 242. For example, the switch 280 may be turned off in the standby mode. It can keep the state.

In addition, when the power-on signal is received according to a user input in the standby mode state, the switching unit 280 may be switched on in response to the reception of the power-on signal.

As described above, by connecting the switching unit 280 between the sub-microcom 242 and the scaler 230, the DC on operation because it does not detect the reception of the power-on signal due to the voltage drop of the scaler 230 port This can prevent errors from occurring.

Hereinafter, the driving control method of the display apparatus according to the present invention will be described in detail with reference to FIGS. 4 and 5.

4 is a flowchart illustrating a driving control method of a display apparatus according to an exemplary embodiment of the present invention. The control method illustrated in FIG. 4 is connected with an exemplary embodiment of the configuration of the switching unit 280 illustrated in FIG. 5. Let's explain.

Referring to FIG. 4, the display apparatus maintains a standby mode according to a power off signal input from a user (step S300), and the sub micom 242 checks whether a power on signal input from a user is received ( Step S310).

When the power-on signal is received, the sub-microcom 242 outputs a control signal to the DC-DC converter 282 included in the switching unit 280 to enable the DC-DC converter 282. (Step S320).

Thereafter, a switching signal having a predetermined voltage, for example, about 12 V, is input from the enabled DC-DC converter 282 to the switch 281 provided in the switching unit 280, and the input switching is performed. The switch 281 is turned on according to the signal (step S330).

For example, the switching 281 may be a field effect transistor (FET) switch connected between the sub micom 242 and the scaler 230, and as the switch 281 is turned on in step S330, the sub micom ( 242 and scaler 230 may be connected to each other.

On the other hand, in the standby mode state, the DC-DC converter 282 is not enabled, and thus, the switching 281 may maintain the off state.

Then, the sub-microcom 242 gives an enable signal to the power supply unit 270 to supply power to the scaler 230 again (step S340).

The above-described control method according to the present invention may be stored in a computer-readable recording medium that is produced as a program for execution on a computer, and examples of the computer-readable recording medium include ROM, RAM, CD-ROM, magnetic Tapes, floppy disks, optical data storage, and the like, and also include those implemented in the form of carrier waves (eg, transmission over the Internet).

The computer readable recording medium may be distributed over a networked computer system so that computer readable code can be stored and executed in a distributed manner. And, functional programs, codes and code segments for implementing the above method can be easily inferred by programmers of the technical field to which the present invention belongs.

In addition, although the preferred embodiment of the present invention has been shown and described above, the present invention is not limited to the specific embodiments described above, but the technical field to which the invention belongs without departing from the spirit of the invention claimed in the claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.

Claims (8)

A main micom for controlling the operation and power supply of the display device;
A scaler configured to display an input video signal according to the control of the main micom;
A sub-microcom for controlling power to be supplied to the scaler in response to a power-on signal input from a user in a standby mode; And
And a switching unit to switch a connection between the scaler and the sub-microcom according to a control signal output from the sub-microcom. The method of claim 1, wherein the switching unit
A switch connected between the scaler and the sub micom; And
And a DC-DC converter which is enabled according to a control signal input from the sub-microcom and outputs a switching signal for controlling the switch. The method of claim 2, wherein the switch
And a display device in an off state in the standby mode. The method of claim 2, wherein the DC-DC converter
When the power on signal is received, the display device is enabled according to a control signal input from the sub-microcom and outputs a switching signal having a predetermined voltage. The method of claim 4, wherein the switch
And a display device turned on in response to the switching signal input from the DC-DC converter when the power-on signal is received. The method of claim 1,
And a power supply unit configured to supply power to the scaler according to a control signal output from the sub micom. The method of claim 1,
The display device, the power is supplied only to the sub micom in the standby mode. In the method for controlling the driving of the display device including a main microcomputer, a sub-microcom and a scaler,
Receiving a power-on signal input from a user in a standby mode;
In response to receiving the power-on signal, enabling a DC-DC converter according to a control signal output from the sub-microcom to turn on a switch connected between the sub-microcom and the scaler; And
And supplying power to the scaler.
KR1020100134009A 2010-12-23 2010-12-23 Display apparatus and method for drive controlling thereof KR20120072180A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100134009A KR20120072180A (en) 2010-12-23 2010-12-23 Display apparatus and method for drive controlling thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100134009A KR20120072180A (en) 2010-12-23 2010-12-23 Display apparatus and method for drive controlling thereof

Publications (1)

Publication Number Publication Date
KR20120072180A true KR20120072180A (en) 2012-07-03

Family

ID=46706965

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100134009A KR20120072180A (en) 2010-12-23 2010-12-23 Display apparatus and method for drive controlling thereof

Country Status (1)

Country Link
KR (1) KR20120072180A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170069491A (en) * 2015-12-11 2017-06-21 엘지전자 주식회사 Image processing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170069491A (en) * 2015-12-11 2017-06-21 엘지전자 주식회사 Image processing apparatus

Similar Documents

Publication Publication Date Title
EP1885124B1 (en) Broadcast receiving apparatus, method and system to minimize standby power
KR101377885B1 (en) Appartus and method for labal display in display device
JP2008141504A (en) Electric equipment
KR20080080042A (en) Power managements system and the control method of set top box
WO2009096140A1 (en) Digital broadcast receiving device and software download method
JP2008219392A (en) Television receiver, and digital broadcast signal processor
JP2010011183A (en) Use situation monitoring apparatus and external connection device monitoring method and television receiver
KR20120072180A (en) Display apparatus and method for drive controlling thereof
JP4609629B2 (en) External device control apparatus and external device control method
US11006070B2 (en) Display device and video display method therefor
JP2007311958A (en) Personal computer with television function, and video display method
KR101410507B1 (en) Settop Box for power-saving on Standby Mode
JP2014126888A (en) Information processor, display control method and display control program
KR101264155B1 (en) Broadcast Receiving Apparatus with Multiple Standby Mode and Power Control Method thereof
JP2009081757A (en) Electronic device
JP2006019809A (en) Video signal receiving apparatus and video signal receiving method
KR20100070703A (en) Apparatus and method for saving of power consumption in image display device
KR101520101B1 (en) Apparatus and method for power controlling of image display device
JP2013077224A (en) Electronic apparatus and control method for electronic apparatus
JP2008125037A (en) Input switching control apparatus, video display equipment and input switching control method
JP2008085526A (en) Video display device
JP2012049731A (en) Digital broadcast reception apparatus
KR100720586B1 (en) Video system
KR20100025701A (en) Apparatus and method for audio outputiing in image display device
US20130257586A1 (en) Electronic apparatus and input switching method

Legal Events

Date Code Title Description
WITN Withdrawal due to no request for examination