CN102339590A - Power-saving device and method for electronic system - Google Patents
Power-saving device and method for electronic system Download PDFInfo
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- CN102339590A CN102339590A CN2010102379156A CN201010237915A CN102339590A CN 102339590 A CN102339590 A CN 102339590A CN 2010102379156 A CN2010102379156 A CN 2010102379156A CN 201010237915 A CN201010237915 A CN 201010237915A CN 102339590 A CN102339590 A CN 102339590A
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- 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
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a power-saving device and method for an electronic system. The power-saving device comprises a display, a power-saving control module and a drive module, wherein a display module of the display is used for displaying image data; the power-saving control module confirms display information of the image data shown on the display module and sends a corresponding control signal according to the display information of the image data; the drive module is connected with the power-saving control module and is used for receiving a control signal and generating a drive signal according to the control signal; and a backlight module of the display comprises a plurality of luminescent units, the luminescent units are connected with the drive module and are solely controlled by the drive module so that the drive module can respectively drive the luminescent units corresponding to the display information of the image data according to the drive signal and project a light source to the display module, thus achieving the purpose of saving power.
Description
Technical field
The invention relates to a kind of electricity saver and method thereof, particularly relevant for a kind of electricity saver and method thereof of electronic system.
Background technology
At present, and portable electric system such as mobile phone, notebook computer, individual action assistant (personal digital assistant, PDA), video camera or digital still camera etc. all possess mostly that LCD Panel is arranged.With regard to most now liquid crystal screen, its liquid crystal panel needs to provide light source just can reach display effect by the outside.Wherein most LCD Panel system adopts module backlight to provide liquid crystal panel evenly and the light source of high brightness.
Moreover the LCD Panel manufacturing technology constantly promotes in recent years, and then constantly promotes the resolution of LCD Panel, and develops towards directions such as lightweight, slimming, low power consumption, high brightness, to cater to the market demand and to keep the market competitiveness.
Again, commercially available now portable electric system, the size of its employed LCD Panel is increasing, makes portable electric system use module backlight also corresponding specification must be arranged, in the hope of enough light sources can be provided.But LCD Panel is big more, and its employed module backlight is more power consumption, and then causes the electric power of the battery of portable electronic system, will made the portable electronic system must change battery or charging often by a large amount of use consumption of module backlight.
Therefore, the dealer of many making portable electric systems is to above-mentioned problem, designs many kinds in the various battery saving modes of portable electric system under holding state.But never there is anyone to be directed against portable electric system under user mode, or the pattern that is appeared of the application of corresponding portable electric system, carries out the technological means of corresponding battery saving mode.
In addition, except above-mentioned awkward problem, the portable electronic system must change battery or charging often, more will cause waste of electric energy, or produces many waste batteries.So, the technological means that if can propose to address the above problem, believe be popular find pleasure in see.
Summary of the invention
Because the problem that above-mentioned prior art exists, the object of the invention just provides a kind of electricity saver and method thereof of electronic system, can't control luminescence unit effectively individually to solve, and causes the problem of waste electric power.
According to the object of the invention, a kind of electricity saver of electronic system is proposed, comprise a display, a power-saving control module and a driving module.Wherein one of display shows that module provides demonstration one image document, and a module backlight of display is located at a side that shows module, and comprises a plurality of luminescence units.Power-saving control module connection driving module shows the demonstration information of the image document of module in order to affirmation, and sends a corresponding control signal according to the demonstration information of image document and arrive the driving module that the feasible module that drives produces drive signal according to control signal.Drive module and connect each luminescence unit, drive module and can drive each luminescence unit of the demonstration information of respective image data individually, and, can reach purpose of power saving to showing that module throws a light source according to drive signal.
Wherein, more comprise a tandem communication bus-bar, tandem communication bus-bar system electrically connects with the power-saving control module, and power-saving control module system utilizes tandem communication bus-bar to send control signal to driving module.
Wherein, tandem communication bus-bar can be an internal integration circuit (I
2CInter-Integrated Circuit), its content of signal transfer mode definition of the corresponding internal integration circuit of the control signal that the power-saving control module is sent is to comprise subordinate address parameter, output parameter, command parameter and data parameters with control signal.Wherein subordinate address parameter is that the definition control signal is sent to the pairing subordinate address of a register that drives module; Output parameter is defined as the power-saving control module and according to output parameter control signal is sent to the driving module; Command parameter is in order to the order classification of definition control signal, and data parameters is the control model of definition command classification then.
According to the object of the invention, more a kind of display electricity saving method is being proposed.Be to be applicable to a electronic system with display; The method comprises the following step; Confirm the demonstration information of image document of the demonstration module of display by the power-saving control module; And produce corresponding control signal according to the demonstration information of image document, and control signal is sent to the driving module, drive module and produce drive signal according to control signal; And, make each luminescence unit of demonstration information of module respective image data backlight to showing that module throws a light source according to the module backlight of drive display.
Wherein, more comprise a tandem communication bus-bar, tandem communication bus-bar is to electrically connect with the power-saving control module, and power-saving control module system utilizes tandem communication bus-bar to send control signal to driving module.
Wherein, tandem communication bus-bar can be an internal integration circuit (I
2CInter-Integrated Circuit), its content of signal transfer mode definition of the corresponding internal integration circuit of the control signal sent of power-saving control module.The power-saving control module produces the step of corresponding control signal according to the demonstration information of image document; Comprise: according to the demonstration information of image document; Set a subordinate address parameter of control signal; Make control signal can be sent to the address of the correspondence that drives module, be sent to the pairing subordinate address of a register that drives module, set an output parameter in order to control signal is sent to the driving module in order to the definition control signal; Set the order classification of a command parameter, set the control model of a data parameters in order to the order classification in order to the definition control signal.
Hold the above, its electricity saver of demonstration of the present invention and method thereof can have one or more number advantage down:
(1) electricity saver of electronic system of the present invention and method thereof, each luminescence unit of the demonstration information through driving the respective image data, and do not drive unwanted luminescence unit, can reach purpose of power saving.
(2) electronic system electricity saver of the present invention and method thereof through the brightness of each luminescence unit of data parameters control, can further be reached less electricity consumption.
Description of drawings
Fig. 1 is the configuration diagram of the electricity saver of electronic system of the present invention;
Fig. 2 is the synoptic diagram of electronic system output image data of the present invention;
Fig. 3 is the synoptic diagram of the first embodiment of the present invention;
Fig. 4 is the process flow diagram of the electricity saving method of electronic system of the present invention;
Fig. 5 is the process flow diagram that power-saving control module of the present invention produces control signal; And
Fig. 6 provides the synoptic diagram that starts battery saving mode and close the option of battery saving mode for electronic system of the present invention.
Embodiment
According to accompanying drawing and embodiment the present invention is described further below:
Please consult Fig. 1 and Fig. 2 in the lump, be respectively the configuration diagram of the electricity saver of electronic system of the present invention, and the synoptic diagram of electronic system output image data.Among the figure, the electricity saver of electronic system comprises a display 1, a power-saving control module 2 and drives module 3.Wherein display 1 comprises that one shows a module 10 and a module 12 backlight; Show that module 10 provides demonstration one image document 4; Module 12 backlight is located at a side that shows module 10, and module backlight 12 comprises a plurality of luminescence units 120, and each luminescence unit 120 can comprise at least one light-emitting component; After each luminescence unit 120 is driven, can be unlocked and towards showing module 10 projections one light source.Power-saving control module 2 electrically connects and drives module 3; In order to confirm the demonstration information of the image document 4 that demonstration module 10 is exported; Show that information comprises the resolution and the display position of image document 4 at least; Power-saving control module 2 and according to showing that information produces a control signal drives module 3 and receives control signals, and it produces drive signal according to control signal.Drive module 3 and connect each luminescence unit 120 respectively; Make that driving module 3 can be according to drive signal; Indivedual each luminescence unit 120 that drives corresponding demonstration information; And, make display 1 only in its corresponding part zone output image data 4 that shows information to showing module 10 projections one light source, reach purpose of power saving like this.
See also Fig. 3, it is one embodiment of the invention synoptic diagram.Among the figure; The electricity saver of electronic system of the present invention more comprises a tandem communication bus-bar 5; Tandem communication bus-bar 5 is electrically connected at power-saving control module 2 and drives between the module 3, and power-saving control module 2 utilizes tandem communication bus-bar 5 to send control signal to driving module 2.
In one embodiment of this invention, tandem communication bus-bar 5 can be an internal integration circuit (I
2C Inter-Integrated Circuit).Control signal for the signal transfer mode definition that power-saving control module 2 is sent meet the internal integration circuit; Therefore; The control signal that power-saving control module 2 is sent; Its content of signal transfer mode definition of its corresponding internal integration circuit makes control signal comprise subordinate address parameter, output parameter, command parameter and data parameters.Wherein subordinate address parameter-definition control signal is sent to the pairing subordinate address of a register that drives module; Output parameter is defined as and outputs a control signal to the register that drives module; The order classification of command parameter definition control signal, data parameters is the control model of definition command classification then.
See also Fig. 4, it is the process flow diagram of the electricity saving method of electronic system of the present invention.Among the figure, this method is applicable to the electronic system with display, comprises the following step:
(S41) confirm the demonstration information of image document of the demonstration module of display by the set power-saving control module of electronic system;
(S42) the power-saving control module produces corresponding control signal according to the demonstration information of image document;
(S43) the power-saving control module is sent to the driving module with control signal;
(S44) drive module produces drive signal and driving display according to control signal module backlight; And
(S45) module backlight shows that to showing that module throws a light source, making module is only in its corresponding part zone output image data that shows information corresponding at least one luminescence unit of the demonstration information of image document.
In the electricity saving method of electronic system of the present invention, electronic system more comprises a tandem communication bus-bar, and the power-saving control module sends control signal to driving module via tandem communication bus-bar.
In one embodiment of this invention, tandem communication bus-bar can be an internal integration circuit (I
2C Inter-Integrated Circuit).Its content of signal transfer mode definition of the corresponding internal integration circuit of the control signal that the power-saving control module is sent.Therefore, see also shown in Figure 5ly, the power-saving control module produces the process flow diagram of control signal.Among the figure, the step that the power-saving control module produces control signal comprises:
(S51) according to the demonstration information of image document, set a subordinate address parameter of control signal, the definition control signal is sent to the pairing subordinate address of a register that drives module;
(S52) set an output parameter, be defined as and output a control signal to the register that drives module, the power-saving control module is sent to control signal in the register that drives module according to subordinate address parameter and output parameter;
(S53) set a command parameter, in order to the order classification of definition control signal; And
(S54) set a data parameters, in order to the control model of definition command classification.
According to the above; The power-saving control module can send the control signal of the signal transfer mode definition that meets the internal integration circuit; And feasible command parameter and the data parameters that drives module according to control signal; In order to produce drive signal, make module backlight need driven each luminescence unit to be unlocked, and set the brightness that it sends.For example; Module backlight has three groups of luminescence units; Each luminescence unit comprises a light-emitting component; Can be light-emittingdiode at this light-emitting component, respectively with LED A, LED B, and LED C represent, and shown in defined the theing contents are as follows of signal transfer mode of the corresponding internal integration circuit of control signal:
slave?address，write?cmd，register，data
Wherein, slave address is a subordinate address parameter, and it is represented with 0x1D; Writecmd is an output parameter, representes output register with 0x01; Register is a command parameter, and it representes the driven for emitting lights diode with 0x01, and 0x02 representes to control the brightness that light-emittingdiode sends; Data is a data parameters, and it representes driving LED A with 0x01 under the command parameter of 0x01, represent driving LED B with 0x02, representes driving LED C with 0x03; It in addition under the command parameter of 0x02, representes the brightness that driven light-emittingdiode institute will send with 0x00-0xFF, and wherein 0x00 representes the most secretly, 0xFF representes the brightest.
According to the above, if desire is opened LED B, and its brightness be maximum, and the content of its control command then is as follows:
1. open LED B:0x1D, 0x01,0x01,0x02
2.LED B brightness is maximum: 0x1D, 0x01,0x02,0xFF
But during practical application, the content of the control signal still signal transfer mode definition of visual each producer is adjusted.
For further understanding power saving effect of the present invention, below will enumerate an embodiment and describe.In the present embodiment, see also Fig. 2, electronic system is a mobile phone, and the resolution of its display is 400*600dpi, and module backlight is provided with three light-emittingdiodes from top to bottom in regular turn, and three light-emittingdiodes provide light source to arrive the demonstration module thus.And the resolution of image document is 320*240dpi, and its display position is in the middle position display of putting of display.
If do not use the electronic system of system and method for the present invention; System's electricity consumption of electronic system needs the electric power of 60mA approximately; Each light-emittingdiode all need send identical high brightness; Each light-emittingdiode needs the electric power of 40mA respectively, and meaning promptly needs the electric power of 180mA altogether, could be on display the output image data.
But if use the electronic system of system and method for the present invention, only need send high brightness by the light-emittingdiode of centre, therefore, it only needs the electric power of 100mA electronic system, can be on display the output image data.In other words, do not use the present invention and use electronic installation of the present invention, its power saving ratio can be represented by following computing formula:
[do not use power consumption of the present invention-used power consumption of the present invention]/do not use power consumption of the present invention=power saving ratio
[(40+40+40+60)-(0+40+0+60)]/(40+40+40+60)≈45％
Anticipate promptly, the present invention can practice thrift 45% electric power, prove that further the present invention can reach the purpose of saving electric power really.
Moreover the power-saving control module can be an application software or a power-saving control wafer, sees also Fig. 6; It provides the synoptic diagram that starts battery saving mode and close the option of battery saving mode for electronic system, and among the figure, the power-saving control module is an application software; This electronic system provides the option that starts battery saving mode and close battery saving mode accordingly; So, the user can select whether to launch the power-saving control module voluntarily, to meet various different users' user demand.
But above-mentioned embodiment is exemplary, is to be the restriction that this patent is comprised scope in order better to make those skilled in the art can understand this patent, can not to be interpreted as; So long as according to spirit that this patent discloses done anyly be equal to change or modify, all fall into the scope that this patent comprises.
Claims (10)
1. the electricity saver of an electronic system is characterized in that: comprise:
One display, it comprises:
One shows module, and it provides and shows an image document;
One module backlight; It is located at a side of said demonstration module; And this module backlight comprises a plurality of luminescence units, and respectively these a plurality of luminescence units comprise at least one light-emitting component, and these a plurality of luminescence units provide an irradiation backlight; After respectively this luminescence unit is driven, can be unlocked and throw a light source towards said demonstration module;
One power-saving control module, this power-saving control module confirm that one of said image document shows information, and this demonstration information comprises the resolution and the display position of said image document at least, and produces a control signal according to this demonstration information; And
One drives module, and it electrically connects said power-saving control module, and distinctly electrically connects each said luminescence unit, and produces a drive signal according to said control signal, and according to this drive signal, distinctly drives each luminescence unit of corresponding said demonstration information.
2. the electricity saver of electronic system as claimed in claim 1; It is characterized in that: more comprise a tandem communication bus-bar; This tandem communication bus-bar is electrically connected at said power-saving control module and drives between the module, and said power-saving control module sends this control signal to this driving module via this tandem communication bus-bar.
3. the electricity saver of electronic system as claimed in claim 2, it is characterized in that: the control signal that said power-saving control module sends, it meets the definition of a signal transfer mode of said tandem communication bus-bar.
4. the electricity saver of electronic system as claimed in claim 3, it is characterized in that: said tandem communication bus-bar is an internal integration circuit.
5. the electricity saver of electronic system as claimed in claim 4, it is characterized in that: said control signal comprises:
One subordinate address parameter, its definition control signal be sent to drive module the pairing subordinate address of a register;
One output parameter, it is defined as and outputs a control signal to the register that drives module;
One command parameter, the order classification of its definition control signal; And
One data parameters, the control model of its definition command classification.
6. the electricity saving method of an electronic system is applicable to the electronic system with display, and this electronic system also comprises a power-saving control module and a driving module, and it is characterized in that: this method comprises the following steps:
Confirm that by said power-saving control module one of this display shows the demonstration information of an image document of module;
Said power-saving control module produces a corresponding control signal according to said demonstration information;
Said power-saving control module is sent to said driving module with this control signal;
Said driving module produces a drive signal, and according to a module backlight of the said display of this drive; And
One module backlight of said display throws a light source corresponding at least one luminescence unit of said demonstration information to the demonstration module, and this shows the part zone output said image document of module in the said demonstration information of correspondence.
7. the electricity saving method of electronic system as claimed in claim 6, it is characterized in that: said electronic system more comprises a tandem communication bus-bar, said power-saving control module transmits said control signal to said driving module via this tandem communication bus-bar.
8. the electricity saving method of electronic system as claimed in claim 7, it is characterized in that: said tandem communication bus-bar is an internal integration circuit, said power-saving control module produces the step of this control signal, comprising:
Set a subordinate address parameter of said control signal according to said demonstration information, be sent to the pairing subordinate address of a register of said driving module in order to the definition control signal;
Set an output parameter of said control signal, make said power-saving control module this control signal is sent in the said register according to this output parameter;
Set a command parameter of said control signal, in order to the order classification of definition control signal; And
Set a data parameters of said control signal, in order to the control model of definition command classification.
9. the electricity saving method of electronic system as claimed in claim 8 is characterized in that: said command parameter is for driving each said luminescence unit, and this data parameters representes to specify one of them luminescence unit of driving.
10. the electricity saving method of electronic system as claimed in claim 8, it is characterized in that: said command parameter is the brightness that the said luminescence unit of control is sent, and this data parameters represent driven light-emittingdiode the brightness that will send.
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| CN2010102379156A CN102339590A (en) | 2010-07-27 | 2010-07-27 | Power-saving device and method for electronic system |
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| CN2010102379156A CN102339590A (en) | 2010-07-27 | 2010-07-27 | Power-saving device and method for electronic system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103544920A (en) * | 2013-10-31 | 2014-01-29 | 海信集团有限公司 | Method, device and electronic device for screen display |
| CN106572341A (en) * | 2016-10-31 | 2017-04-19 | 努比亚技术有限公司 | Projection power saving method and device |
| CN110767182A (en) * | 2019-11-07 | 2020-02-07 | 上海创功通讯技术有限公司 | Screen display control system and screen display control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1873758A (en) * | 2006-03-31 | 2006-12-06 | 深圳创维一Rgb电子有限公司 | Self-adaptive control unit and method for display quality of TV |
| EP2024958A1 (en) * | 2006-05-15 | 2009-02-18 | Koninklijke Philips Electronics N.V. | Method and device for driving an image display apparatus |
| CN101572072A (en) * | 2008-04-30 | 2009-11-04 | 宏碁股份有限公司 | Image display device and power-saving control method thereof |
| WO2009157221A1 (en) * | 2008-06-27 | 2009-12-30 | シャープ株式会社 | Device for controlling liquid crystal display device, liquid crystal display device, method for controlling liquid crystal display device, program, and recording medium for program |
| CN101645255A (en) * | 2009-09-03 | 2010-02-10 | 青岛海信电器股份有限公司 | Liquid crystal display (LCD), television and method for displaying image pictures for liquid crystal display |
-
2010
- 2010-07-27 CN CN2010102379156A patent/CN102339590A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1873758A (en) * | 2006-03-31 | 2006-12-06 | 深圳创维一Rgb电子有限公司 | Self-adaptive control unit and method for display quality of TV |
| EP2024958A1 (en) * | 2006-05-15 | 2009-02-18 | Koninklijke Philips Electronics N.V. | Method and device for driving an image display apparatus |
| CN101572072A (en) * | 2008-04-30 | 2009-11-04 | 宏碁股份有限公司 | Image display device and power-saving control method thereof |
| WO2009157221A1 (en) * | 2008-06-27 | 2009-12-30 | シャープ株式会社 | Device for controlling liquid crystal display device, liquid crystal display device, method for controlling liquid crystal display device, program, and recording medium for program |
| CN101645255A (en) * | 2009-09-03 | 2010-02-10 | 青岛海信电器股份有限公司 | Liquid crystal display (LCD), television and method for displaying image pictures for liquid crystal display |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103544920A (en) * | 2013-10-31 | 2014-01-29 | 海信集团有限公司 | Method, device and electronic device for screen display |
| CN106572341A (en) * | 2016-10-31 | 2017-04-19 | 努比亚技术有限公司 | Projection power saving method and device |
| CN106572341B (en) * | 2016-10-31 | 2019-08-30 | 努比亚技术有限公司 | Electricity saving method and device in projection |
| CN110767182A (en) * | 2019-11-07 | 2020-02-07 | 上海创功通讯技术有限公司 | Screen display control system and screen display control method |
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Application publication date: 20120201 |