CN103810971A - Energy-saving display method and device of terminal, LCD (liquid crystal display) module, terminal - Google Patents
Energy-saving display method and device of terminal, LCD (liquid crystal display) module, terminal Download PDFInfo
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- CN103810971A CN103810971A CN201210456929.6A CN201210456929A CN103810971A CN 103810971 A CN103810971 A CN 103810971A CN 201210456929 A CN201210456929 A CN 201210456929A CN 103810971 A CN103810971 A CN 103810971A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3215—Monitoring of peripheral devices
- G06F1/3218—Monitoring of peripheral devices of display devices
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- 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
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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
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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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
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention provides an energy-saving display method and device of a terminal, an LCD module and a terminal and belongs to the field of smart terminals. The energy-saving display method of the terminal comprises, after the terminal enters a static display page, sending a sleep instruction to the main processor of the terminal to instruct the main processor to enter a sleep mode; when an awakening event occurs, sends an awakening signal to the main processor to instruct the main process to exit the sleep mode. The energy-saving display method and device of the terminal can effectively reduce the power consumption of the terminal and prolong the service life of the terminal.
Description
Technical field
The present invention relates to intelligent terminal field, refer to especially a kind of energy-saving displaying method of terminal and device, LCD module, terminal.
Background technology
Current, battery capacity has become the especially Main Bottleneck of intelligent terminal development of various terminals.But, along with the LCD(Liquid Crystal Display of various terminals, liquid crystal display) screen dimensions is increasing, and resolution is increasing, and the power consumption of LCD is also increasing.The LCD power consumption of some PAD series products and some large-size screen monitors terminals is up to the half of Overall Power Consumption.For whole terminal, in the situation that battery capacity is limited, can only be devoted to reduce power consumption in order to increase flying power.
Prior art is saved battery electric quantity by the method that reduces LCD power consumption conventionally, increases the flying power of battery.The method that conventional LCD reduces power consumption mainly contains: 1, environment sensitive automatic adjusting backlight.The method, by various photosensitive device, as photodiode, dedicated light sensor or the detection of first-class realization to surround lighting of making a video recording, is adjusted the backlight illumination of LCD with this automatically, thereby reduces the power consumption of LCD.2, adaptive backlight brilliance control (Content Adaptive Backlight Control, CABC).This kind of method calculates different white balance numerical value by certain algorithm from the content of LCD demonstration, automatically regulates the backlight illumination of LCD with this, thereby reduces the power consumption of LCD.
But in actual applications, terminal is in carrying out LCD demonstration, and suitable primary processor is also in high-speed cruising pattern with it, and under this pattern, the power consumption of primary processor is very large, the power consumption of the power dissipation ratio LCD of primary processor screen is larger even.Therefore, only by regulating LCD brightness backlight can not reach the object of effective saving battery electric quantity.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of energy-saving displaying method of terminal and device, LCD module, terminal, can effectively reduce the power consumption of terminal, extends the flying power of terminal.
For solving the problems of the technologies described above, embodiments of the invention provide technical scheme as follows:
On the one hand, provide a kind of energy-saving displaying method of terminal, comprising:
Enter after static display page in terminal, send the primary processor of dormancy instruction to terminal, indicate described primary processor to enter park mode;
In the time there is wake events, send wake-up signal to primary processor, indicate described primary processor to exit described dormant state.
Further, in such scheme, described wake events comprises that the timer of the operational order, the terminal that receive user input is triggered and the sensor of terminal is triggered.
Further, in such scheme, before the primary processor of described transmission dormancy instruction to terminal, also comprise:
Obtain and preserve static displaying contents to be shown, at described static display page, described static displaying contents is shown.
Further, in such scheme, described transmission wake-up signal also comprises to after primary processor:
Receive the page display content that refreshes that described primary processor sends, preserve and show described in refresh page display content;
Send the primary processor of dormancy instruction to terminal, indicate described primary processor to enter park mode.
The embodiment of the present invention also provides a kind of energy-saving display device of terminal, comprising:
Indication sleep block, for entering in terminal after static display page, sends the primary processor of dormancy instruction to terminal, indicates described primary processor to enter park mode;
Wake module, in the time there is wake events, sends wake-up signal to primary processor, indicates described primary processor to exit described dormant state.
Further, in such scheme, described wake events comprises that the timer of the operational order, the terminal that receive user input is triggered and the sensor of terminal is triggered.
Further, in such scheme, described device also comprises:
Processing module, for obtaining and preserve static displaying contents to be shown, shows described static displaying contents at described static display page.
Further, in such scheme, described processing module is also for receiving the page display content that refreshes that described primary processor sends, preserve and show described in refresh page display content;
Described indication sleep block also refreshes after page display content described in showing in described processing module, sends the primary processor of dormancy instruction to terminal, indicates described primary processor to enter park mode.
The embodiment of the present invention also provides a kind of LCD module, comprises the energy-saving display device of terminal as above.
The embodiment of the present invention also provides a kind of terminal, comprises the energy-saving display device of terminal as above.
Embodiments of the invention have following beneficial effect:
In such scheme, enter after static display page in terminal, send the primary processor of dormancy instruction to terminal, indication primary processor enters park mode.Can carry out static state while showing in terminal like this, primary processor is out of service, only leaves the work of LCD module, maintains the demonstration of tableaux by the driving circuit of LCD module self and flush mechanism, has reduced to greatest extent the Overall Power Consumption of terminal.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the energy-saving displaying method of the terminal of the embodiment of the present invention;
Fig. 2 is the structured flowchart of the energy-saving display device of the terminal of the embodiment of the present invention;
Fig. 3 is the hardware configuration schematic diagram of the terminal of the embodiment of the present invention;
Fig. 4 is another hardware configuration schematic diagram of the terminal of the embodiment of the present invention;
Fig. 5 is the schematic flow sheet of the energy-saving displaying method of the terminal of the embodiment of the present invention one;
Fig. 6 is the schematic flow sheet of the energy-saving displaying method of the terminal of the embodiment of the present invention two.
Embodiment
For technical matters, technical scheme and advantage that embodiments of the invention will be solved are clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiments of the invention provide a kind of energy-saving displaying method of terminal and device, LCD module, terminal, can effectively reduce the power consumption of terminal, extend the flying power of terminal.
Fig. 1 is the schematic flow sheet of the energy-saving displaying method of the terminal of the embodiment of the present invention, and as shown in Figure 1, the present embodiment comprises:
Step 101: enter after static display page in terminal, send the primary processor of dormancy instruction to terminal, indication primary processor enters park mode;
Step 102: in the time there is wake events, send wake-up signal to primary processor, indication primary processor exits dormant state.
Further, in such scheme, wake events comprises that the timer of the operational order, the terminal that receive user input is triggered and the sensor of terminal is triggered.
Further, in such scheme, before step 101, also comprise:
Obtain and preserve static displaying contents to be shown, at static display page, static displaying contents is shown.
Further, in such scheme, after step 102, also comprise:
Receive the page display content that refreshes of primary processor transmission, preserve and show and refresh page display content;
Send the primary processor of dormancy instruction to terminal, indication primary processor enters park mode.
The energy-saving displaying method of terminal of the present invention, enters after static display page in terminal, sends the primary processor of dormancy instruction to terminal, and indication primary processor enters park mode.Can carry out static state while showing in terminal like this, primary processor is out of service, only leaves the work of LCD module, maintains the demonstration of tableaux by the driving circuit of LCD module self and flush mechanism, has reduced to greatest extent the Overall Power Consumption of terminal.
Fig. 2 is the structured flowchart of the energy-saving display device of the terminal of the embodiment of the present invention, and as shown in Figure 2, the present embodiment comprises:
Wake module 21, in the time there is wake events, sends wake-up signal to primary processor, and indication primary processor exits dormant state.
Further, in such scheme, wake events comprises that the timer of the operational order, the terminal that receive user input is triggered and the sensor of terminal is triggered.
Further, in such scheme, this device also comprises:
Further, in such scheme, processing module 22 also, for receiving the page display content that refreshes of primary processor transmission, is preserved and is shown and refresh page display content;
The energy-saving display device of terminal of the present invention, enters after static display page in terminal, sends the primary processor of dormancy instruction to terminal, and indication primary processor enters park mode.Can carry out static state while showing in terminal like this, primary processor is out of service, only leaves the work of LCD module, maintains the demonstration of tableaux by the driving circuit of LCD module self and flush mechanism, has reduced to greatest extent the Overall Power Consumption of terminal.
The embodiment of the present invention also provides a kind of LCD module, comprises the energy-saving display device of above-mentioned terminal.
The embodiment of the present invention also provides a kind of terminal, comprises the energy-saving display device of above-mentioned terminal.
Below in conjunction with specific embodiment and accompanying drawing 3-6, energy-saving displaying method and the device to terminal of the present invention describes in detail:
Technical scheme of the present invention is to carry out static state while showing in terminal, allows primary processor enter dormant state, out of service, only leaves the work of LCD module, maintains the demonstration of tableaux by the driving circuit of LCD module self and flush mechanism.Now the power consumption of complete machine is mainly the power consumption of LCD module, has so just reduced to greatest extent Overall Power Consumption.
Technical scheme of the present invention is applicable to static displaying contents, described static displaying contents refers to: displaying contents only just can upgrade in the time of user intervention or some particular events (as timer or sensor) triggering, otherwise displaying contents will remain unchanged always.In current terminal applies, the static occasion showing includes: each documents editing software, picture are checked software, photo-editing software, e-book and browser etc.
Technical scheme of the present invention is applicable to have the terminal of the LCD module of built-in video memory (being display-memory) or the LCD module of external video memory, and wherein, LCD module is made up of backlight drive circuit, LCD screen and LCD peripheral power supply.1) the LCD module of built-in video memory refer to LCD screen integrated video memory, LCD module can be independent of primary processor operation, independently realizes automatically refreshing and keeping demonstration of current video memory content, is illustrated in figure 3 the hardware block diagram of the terminal of the integrated video memory in LCD inside; 2) external video memory refers to that the video memory of LCD module is configured in outside LCD screen, LCD module does not have integrated video memory, but hardware system has configured independent video memory, the general and shared video memory of primary processor of LCD module, is illustrated in figure 4 the hardware block diagram of the terminal of the external video memory of LCD.Now the primary processor of this terminal is necessary for LCD module and distributes independently DMA(Direct Memory Access, direct memory access) controller.Dma controller in primary processor need to possess following functions: as long as after dma controller initialization completes, dma controller just can independent operating and not affected by the running status of primary processor.Even if primary processor is when run-stopping status (dormant state), dma controller also can carry out relevant data read-write operation, and after primary processor dormancy, dma controller coordinates independent video memory to complete automatically refreshing of video memory content and keeps demonstration like this.
Below in conjunction with concrete application, the energy-saving displaying method of terminal of the present invention is described:
Embodiment mono-:
The low-power consumption display mode that the technical scheme of the present embodiment is applied for realizing Photo Browser, text editor and the e-book etc. of terminal.
As shown in Figure 5, the present embodiment comprises the following steps:
1) energy-saving display device of terminal is registered as standby task Holdover mode by application such as Photo Browser, text editor and e-book in the system of terminal, before system standby, Photo Browser, text editor and e-book etc. are applied without compulsory withdrawal, to obtain some wake events in standby;
2) energy-saving display device of terminal arranges standby wakeup event in those application, as user touched to the events such as touch screen, side switch or timer are triggered as wake events, and the preferential answering authority of these wake events in the time of standby is set; User, in the time of primary processor standby, can complete the operation such as click or page turning of e-book by touching touch screen and side switch, or after timer is triggered, automatically carry out the page turn over operation of e-book like this;
3) energy-saving display device of terminal reads and preserves content to be shown, or preserves response editing content;
4) energy-saving display device of terminal completes pre-read operation, and carries out arranging before standby, and the related registers such as touch-screen, side switch or timer are mainly set.After setting completes, the energy-saving display device of terminal sends dormancy instruction to primary processor, and primary processor enters dormant state.Although now primary processor dormancy, LCD screen keeps corresponding displaying contents always, and as the e-book page, user can carefully consult present displayed content during this period;
5) after user has browsed, touch touch screen, side switch or timer wake events and occur, the energy-saving display device of terminal sends wake-up signal to primary processor, and primary processor is waken rapidly and return to up state before dormancy, response shows refresh operation, primary processor dormancy again after content refresh.
Embodiment bis-:
The technical scheme of the present embodiment is used for the low-power consumption display mode of the web browser of realizing terminal.Because the present invention can only be applicable to static displaying contents, thereby the present embodiment only relates to the demonstration of webpage static content, as webpage static text or picture; On webpage, other dynamic content cannot show or play as flash, audio file.
As shown in Figure 6, the present embodiment comprises the following steps:
1) energy-saving display device of terminal is registered as browser application standby task Holdover mode in the system of terminal;
2) energy-saving display device of terminal arranges standby wakeup event in browser application, as user touched to the events such as touch screen, side switch or timer are triggered as wake events, and the preferential answering authority of these wake events in the time of standby is set.User, in the time of primary processor standby, can complete the operation such as click or page turning of webpage by touching touch screen and side switch, or after timer is triggered, automatically carry out the page turn over operation of webpage like this;
3) Modem(modulator-demodular unit) synchronous download and cache web pages data.After download buffer memory completes, primary processor is reading cache data in batches.In order to make primary processor dormancy time longer, in the present embodiment, need modem to be arranged to download cache mode in batches;
4) energy-saving display device of terminal filters out webpage dynamic data or webpage dynamic data is updated to static data;
5) energy-saving display device of terminal upgrades displaying contents;
6) energy-saving display device of terminal carries out dormancy judgement, if user's nothing operation in the default time sends dormancy instruction to primary processor, indication primary processor enters dormant state.Although now primary processor dormancy, LCD screen keeps the current page of browsing always, and user browses this page during this period;
7) after user has browsed, can wake primary processor up by the operation such as touch screen, side switch, the energy-saving display device of terminal sends wake-up signal to primary processor, primary processor is waken rapidly and is returned to up state before dormancy, proceed new page browsing and refresh operation, primary processor dormancy again after content refresh.
Technical scheme of the present invention enters after static display page in terminal, sends the primary processor of dormancy instruction to terminal, and indication primary processor enters park mode.Can carry out static state while showing in terminal like this, primary processor is out of service, only leaves the work of LCD module, maintains the demonstration of tableaux by the driving circuit of LCD module self and flush mechanism, has reduced to greatest extent the Overall Power Consumption of terminal.
Many functional parts described in this instructions are all called as module, to emphasize more especially the independence of its implementation.
In the embodiment of the present invention, module can realize with software, to carried out by various types of processors.For instance, the executable code module of a mark can comprise one or more physics or the logical block of computer instruction, and for instance, it can be built as object, process or function.However, the executable code of institute's identification module is without being physically located in together, but can comprise and be stored in different different instructions physically, in the time combining in these command logics, and its composition module and realize the regulation object of this module.
In fact, executable code module can be individual instructions or many instructions, and even can be distributed on multiple different code segments, is distributed in the middle of distinct program, and crosses over multiple memory devices distributions.Similarly, service data can be identified in module, and can realize and be organized in the data structure of any suitable type according to any suitable form.Described service data can be used as individual data collection and is collected, or can be distributed on diverse location and (be included in different storage device), and can only be present on system or network as electronic signal at least in part.
In the time that module can utilize software to realize, consider the level of existing hardware technique, so module that can realize with software, in the situation that not considering cost, those skilled in the art can build corresponding hardware circuit and realize corresponding function, and described hardware circuit comprises conventional ultra-large integrated (VLSI) circuit or gate array and the existing semiconductor such as logic chip, transistor or other discrete element.Module can also be used programmable hardware device, realizations such as field programmable gate array, programmable logic array, programmable logic device.
In the each embodiment of the method for the present invention; the sequence number of described each step can not be used for limiting the sequencing of each step; for those of ordinary skills, do not paying under the prerequisite of creative work, the priority of each step is changed also within protection scope of the present invention.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. an energy-saving displaying method for terminal, is characterized in that, comprising:
Enter after static display page in terminal, send the primary processor of dormancy instruction to terminal, indicate described primary processor to enter park mode;
In the time there is wake events, send wake-up signal to primary processor, indicate described primary processor to exit described dormant state.
2. the energy-saving displaying method of terminal according to claim 1, is characterized in that, described wake events comprises that the timer of the operational order, the terminal that receive user input is triggered and the sensor of terminal is triggered.
3. the energy-saving displaying method of terminal according to claim 1, is characterized in that, before the primary processor of described transmission dormancy instruction to terminal, also comprises:
Obtain and preserve static displaying contents to be shown, at described static display page, described static displaying contents is shown.
4. the energy-saving displaying method of terminal according to claim 3, is characterized in that, described transmission wake-up signal also comprises to after primary processor:
Receive the page display content that refreshes that described primary processor sends, preserve and show described in refresh page display content;
Send the primary processor of dormancy instruction to terminal, indicate described primary processor to enter park mode.
5. an energy-saving display device for terminal, is characterized in that, comprising:
Indication sleep block, for entering in terminal after static display page, sends the primary processor of dormancy instruction to terminal, indicates described primary processor to enter park mode;
Wake module, in the time there is wake events, sends wake-up signal to primary processor, indicates described primary processor to exit described dormant state.
6. the energy-saving display device of terminal according to claim 5, is characterized in that, described wake events comprises that the timer of the operational order, the terminal that receive user input is triggered and the sensor of terminal is triggered.
7. the energy-saving display device of terminal according to claim 5, is characterized in that, described device also comprises:
Processing module, for obtaining and preserve static displaying contents to be shown, shows described static displaying contents at described static display page.
8. the energy-saving display device of terminal according to claim 7, is characterized in that,
Described processing module is also for receiving the page display content that refreshes that described primary processor sends, preserve and show described in refresh page display content;
Described indication sleep block also refreshes after page display content described in showing in described processing module, sends the primary processor of dormancy instruction to terminal, indicates described primary processor to enter park mode.
9. a LCD module, is characterized in that, comprises the energy-saving display device of the terminal as described in claim 5-8.
10. a terminal, is characterized in that, comprises the energy-saving display device of the terminal as described in claim 5-8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210456929.6A CN103810971B (en) | 2012-11-14 | 2012-11-14 | The energy-saving displaying method of terminal and device, LCD module, terminal |
| PCT/CN2013/081490 WO2014075473A1 (en) | 2012-11-14 | 2013-08-14 | Energy-saving display method and device for terminal, lcd module, and terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210456929.6A CN103810971B (en) | 2012-11-14 | 2012-11-14 | The energy-saving displaying method of terminal and device, LCD module, terminal |
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| CN103810971A true CN103810971A (en) | 2014-05-21 |
| CN103810971B CN103810971B (en) | 2016-02-10 |
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| WO (1) | WO2014075473A1 (en) |
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| CN103810971B (en) | 2016-02-10 |
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