CN103810971B - The energy-saving displaying method of terminal and device, LCD module, terminal - Google Patents

The energy-saving displaying method of terminal and device, LCD module, terminal Download PDF

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Publication number
CN103810971B
CN103810971B CN201210456929.6A CN201210456929A CN103810971B CN 103810971 B CN103810971 B CN 103810971B CN 201210456929 A CN201210456929 A CN 201210456929A CN 103810971 B CN103810971 B CN 103810971B
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terminal
primary processor
energy
saving
static state
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CN103810971A (en
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刘昭元
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ZTE Corp
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ZTE Corp
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Priority to CN201210456929.6A priority Critical patent/CN103810971B/en
Priority to PCT/CN2013/081490 priority patent/WO2014075473A1/en
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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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Abstract

The invention provides a kind of energy-saving displaying method and device, LCD module, terminal of terminal, belong to intelligent terminal field.Wherein, the energy-saving displaying method of this terminal comprises: after terminal enters the static state display page, sends dormancy instruction to the primary processor of terminal, indicates described primary processor to enter park mode; When there is wake events, sending wake-up signal to primary processor, indicating described primary processor to exit described dormant state.Technical scheme of the present invention effectively can reduce the power consumption of terminal, extends the flying power of terminal.

Description

The energy-saving displaying method of terminal and device, LCD module, terminal
Technical field
The present invention relates to intelligent terminal field, refer to a kind of energy-saving displaying method and device, LCD module, terminal of terminal especially.
Background technology
Current, battery capacity become various terminal especially intelligent terminal development Main Bottleneck.But, along with the LCD(LiquidCrystalDisplay of various terminal, 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, when limited battery capacity, can only be devoted to reduce power consumption to increase flying power.
Prior art saves battery electric quantity by the method reducing LCD power consumption usually, increases the flying power of battery.The method that conventional LCD reduces power consumption mainly contains: 1, environment sensitive backlight regulates automatically.The method, by various different photosensitive device, as photodiode, dedicated light sensor or the detection of first-class realization to surround lighting of making a video recording, adjusts the backlight illumination of LCD automatically with this, thus reduces the power consumption of LCD.2, adaptive backlight brilliance control (ContentAdaptiveBacklightControl, CABC).This kind of method calculates different white balance numerical value by certain algorithm from the content that LCD shows, and automatically regulates the backlight illumination of LCD with this, thus reduces the power consumption of LCD.
But in actual applications, terminal is when carrying out LCD display, and primary processor suitable with it is also in high speed operation mode, the power consumption of primary processor is very large in such a mode, and the power consumption of the power dissipation ratio LCD screen of primary processor is larger even.Therefore, only by regulating the brightness of LCD backlight can not reach the object of effectively 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 and device, LCD module, terminal of terminal, effectively can 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, a kind of energy-saving displaying method of terminal is provided, comprises:
After terminal enters the static state display page, send dormancy instruction to the primary processor of terminal, indicate described primary processor to enter park mode;
When there is wake events, sending wake-up signal to primary processor, indicating described primary processor to exit described dormant state.
Further, in such scheme, described wake events comprise receive the operational order of user's input, the timer of terminal is triggered and the sensor of terminal is triggered.
Further, in such scheme, described transmission dormancy instruction also comprises to before the primary processor of terminal:
Obtain and preserve static state display content to be shown, at the described static state display page, described static state display content being shown.
Further, in such scheme, described transmission wake-up signal also comprises to after primary processor:
Receive the refresh page displaying contents that described primary processor sends, preserve and show described refresh page displaying contents;
Send dormancy instruction to the primary processor of terminal, indicate described primary processor to enter park mode.
The embodiment of the present invention additionally provides a kind of energy-saving display device of terminal, comprising:
Instruction sleep block, after entering the static state display page in terminal, sends dormancy instruction to the primary processor of terminal, indicates described primary processor to enter park mode;
Wake module, for when there is wake events, sending wake-up signal to primary processor, indicating described primary processor to exit described dormant state.
Further, in such scheme, described wake events comprise receive the operational order of user's input, the timer of terminal is triggered and the sensor of terminal is triggered.
Further, in such scheme, described device also comprises:
Processing module, for obtaining and preserving static state display content to be shown, shows described static state display content at the described static state display page.
Further, in such scheme, described processing module also for receiving the refresh page displaying contents that described primary processor sends, being preserved and showing described refresh page displaying contents;
Described instruction sleep block, also for after showing described refresh page displaying contents in described processing module, sends dormancy instruction to the primary processor of terminal, indicates described primary processor to enter park mode.
The embodiment of the present invention additionally provides a kind of LCD module, comprises the energy-saving display device of terminal as above.
The embodiment of the present invention additionally 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, after terminal enters the static state display page, send dormancy instruction to the primary processor of terminal, instruction primary processor enters park mode.Like this can when terminal carry out static state display, primary processor is out of service, only leaves the work of LCD module, maintains the display of tableaux, reduce the Overall Power Consumption of terminal to greatest extent by the driving circuit of LCD module self and flush mechanism.
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 embodiments of the invention will be solved technical matters, technical scheme and advantage clearly, 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 and device, LCD module, terminal of terminal, effectively can 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: after terminal enters the static state display page, sends dormancy instruction to the primary processor of terminal, and instruction primary processor enters park mode;
Step 102: when there is wake events, sends wake-up signal to primary processor, and instruction primary processor exits dormant state.
Further, in such scheme, wake events comprise receive the operational order of user's input, the timer of terminal is triggered and the sensor of terminal is triggered.
Further, in such scheme, also comprise before step 101:
Obtain and preserve static state display content to be shown, at the static state display page, static state display content being shown.
Further, in such scheme, also comprise after step 102:
Receive the refresh page displaying contents that primary processor sends, preserve and show refresh page displaying contents;
Send dormancy instruction to the primary processor of terminal, instruction primary processor enters park mode.
The energy-saving displaying method of terminal of the present invention, after terminal enters the static state display page, send dormancy instruction to the primary processor of terminal, instruction primary processor enters park mode.Like this can when terminal carry out static state display, primary processor is out of service, only leaves the work of LCD module, maintains the display of tableaux, reduce the Overall Power Consumption of terminal to greatest extent by the driving circuit of LCD module self and flush mechanism.
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:
Instruction sleep block 20, after entering the static state display page in terminal, send dormancy instruction to the primary processor of terminal, instruction primary processor enters park mode;
Wake module 21, for when there is wake events, send wake-up signal to primary processor, instruction primary processor exits dormant state.
Further, in such scheme, wake events comprise receive the operational order of user's input, the timer of terminal is triggered and the sensor of terminal is triggered.
Further, in such scheme, this device also comprises:
Processing module 22, for obtaining and preserving static state display content to be shown, shows static state display content at the static state display page.
Further, in such scheme, processing module 22 also for receiving the refresh page displaying contents that primary processor sends, being preserved and showing refresh page displaying contents;
Instruction sleep block 20 is also for after processing module display refresh page displaying contents, and send dormancy instruction to the primary processor of terminal, instruction primary processor enters park mode.
The energy-saving display device of terminal of the present invention, after terminal enters the static state display page, send dormancy instruction to the primary processor of terminal, instruction primary processor enters park mode.Like this can when terminal carry out static state display, primary processor is out of service, only leaves the work of LCD module, maintains the display of tableaux, reduce the Overall Power Consumption of terminal to greatest extent by the driving circuit of LCD module self and flush mechanism.
The embodiment of the present invention additionally provides a kind of LCD module, comprises the energy-saving display device of above-mentioned terminal.
The embodiment of the present invention additionally 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, the energy-saving displaying method of terminal of the present invention and device are described in detail:
Technical scheme of the present invention is when terminal carries out static state display, allows primary processor enter dormant state, out of service, only leaves the work of LCD module, maintains the display of tableaux by the driving circuit of LCD module self and flush mechanism.The now power consumption of the power consumption of complete machine mainly LCD module, so just reduces Overall Power Consumption to greatest extent.
Technical scheme of the present invention is applicable to static state display content, described static state display content refers to: displaying contents only just can upgrade when user intervention or some particular events (as timer or sensor) trigger, otherwise displaying contents will remain unchanged always.In present terminal application, the occasion of static state display includes: each documents editing software, picture check software, photo-editing software, e-book and browser etc.
Technical scheme of the present invention is applicable to the terminal having the LCD module of built-in video memory (i.e. 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 refers to that LCD screen is integrated with video memory, and LCD module can run independent of primary processor, independently realizes the automatic refreshing of current video memory content and keeps display, is illustrated in figure 3 the hardware block diagram of the terminal of the inner integrated video memory of LCD; 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 is configured with independent video memory, the general and primary processor of LCD module shares video memory, 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(DirectMemoryAccess, direct memory access) controller.Dma controller in primary processor needs to possess following functions: as long as after dma controller initialization completes, and dma controller just can the running status impact of independent operating and not host processor.Even if when primary processor is in run-stopping status (dormant state), dma controller also can carry out the data read-write operation of being correlated with, and after primary processor dormancy, dma controller coordinates independent video memory complete the automatic refreshing of video memory content and keep display like this.
Be described below in conjunction with the energy-saving displaying method of concrete application to terminal of the present invention:
Embodiment one:
The technical scheme of the present embodiment is for realizing the low-power consumption display mode of the application such as the Photo Browser of terminal, text editor and e-book.
As shown in Figure 5, the present embodiment comprises the following steps:
1) application such as Photo Browser, text editor and e-book are registered as standby tasks Holdover mode by the energy-saving display device of terminal in the system of terminal, namely before system standby the application such as Photo Browser, text editor and e-book without the need to compulsory withdrawal, with obtain standby in some wake events;
2) energy-saving display device of terminal arranges standby wakeup event in those application, as user touched the events such as touch screen, side switch or timer are triggered as wake events, and arranges the preferential answering authority of these wake events when standby; Such user, when primary processor is standby, can completes the operations such as the click of e-book or page turning by touching touch screen and side switch, or after timer is triggered, automatically carry out the page turn over operation of e-book;
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 standby front setting, mainly arranges the related registers such as touch-screen, side switch or timer.After being provided with, 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 carefully can consult present displayed content during this period;
5) after user has browsed, touch touch screen, side switch or timer wake events to occur, the energy-saving display device of terminal sends wake-up signal to primary processor, and primary processor is waken up rapidly and state before returning to dormancy, response display refresh operation, primary processor dormancy again after content refresh.
Embodiment two:
The technical scheme of the present embodiment is for realizing the low-power consumption display mode of the web browser of terminal.Because the present invention can only be applicable to static state display content, thus the present embodiment only relates to the display of webpage static content, as webpage static text or picture; On webpage, other dynamic content such as flash, audio file cannot show or play.
As shown in Figure 6, the present embodiment comprises the following steps:
1) browser application is registered as standby tasks Holdover mode by the energy-saving display device of terminal in the system of terminal;
2) energy-saving display device of terminal arranges standby wakeup event in browser application, as user touched the events such as touch screen, side switch or timer are triggered as wake events, and arranges the preferential answering authority of these wake events when standby.Such user, when primary processor is standby, can completes the operations such as the click of webpage or page turning by touching touch screen and side switch, or after timer is triggered, automatically carry out the page turn over operation of webpage;
3) Modem(modulator-demodular unit) synchronous download also cache web pages data.After download buffer memory completes, primary processor batch reading cache data.In order to make primary processor dormancy time longer, need in the present embodiment modem to be arranged to download batch cache mode;
4) webpage dynamic data filters out or webpage dynamic data is updated to static data by the energy-saving display device of terminal;
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 time of presetting, send dormancy instruction to primary processor, instruction primary processor enters dormant state.Although now primary processor dormancy, LCD screen keeps the current page browsed always, and user browses this page during this period;
7) after user has browsed, primary processor is waken 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 up rapidly and state before returning to dormancy, proceed new page browsing and refresh operation, primary processor dormancy again after content refresh.
Technical scheme of the present invention, after terminal enters the static state display page, sends dormancy instruction to the primary processor of terminal, and instruction primary processor enters park mode.Like this can when terminal carry out static state display, primary processor is out of service, only leaves the work of LCD module, maintains the display of tableaux, reduce the Overall Power Consumption of terminal to greatest extent by the driving circuit of LCD module self and flush mechanism.
Many functional parts described in this instructions are all called as module, specifically to emphasize the independence of its implementation.
In the embodiment of the present invention, module can use software simulating, to be performed by various types of processor.For example, the executable code module of a mark can comprise one or more physics or the logical block of computer instruction, and for example, it can be built as object, process or function.However, the executable code of institute's identification module is does not have to be physically positioned at together, but can comprise and be stored in different different instruction physically, when these command logics combine, and its composition module and realize the regulation object of this module.
In fact, executable code module can be individual instructions or many bar instructions, and even can be distributed on multiple different code segment, is distributed in the middle of distinct program, and crosses over the distribution of multiple memory devices.Similarly, service data can be identified in module, and can realize according to any suitable form and be organized in the data structure of any suitable type.Described service data can be collected as individual data collection, 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.
When module can utilize software simulating, consider the level of existing hardware technique, so can with the module of software simulating, when not considering cost, those skilled in the art can build corresponding hardware circuit and realize corresponding function, and described hardware circuit comprises existing semiconductor or other discrete element of conventional ultra-large integrated (VLSI) circuit or gate array and such as logic chip, transistor and so on.Module can also use programmable hardware device, the realizations such as such as field programmable gate array, programmable logic array, programmable logic device.
In each embodiment of the method for the present invention; the sequence number of described each step can not be used for the sequencing limiting each step; for those of ordinary skill in the art, under the prerequisite not paying 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, under the prerequisite not departing from 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:
After terminal enters the static state display page, send dormancy instruction to the primary processor of terminal, indicate described primary processor to enter park mode;
When there is wake events, sending wake-up signal to primary processor, indicating described primary processor to exit described dormant state;
Wherein, also comprised before transmission dormancy instruction is to the primary processor of terminal:
Wake events is set, and the preferential answering authority of wake events when standby is set.
2. the energy-saving displaying method of terminal according to claim 1, is characterized in that, described wake events comprise receive the operational order of user's input, the timer of terminal 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, described transmission dormancy instruction also comprises to before the primary processor of terminal:
Obtain and preserve static state display content to be shown, at the described static state display page, described static state display content being 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 refresh page displaying contents that described primary processor sends, preserve and show described refresh page displaying contents;
Send dormancy instruction to the primary processor of terminal, indicate described primary processor to enter park mode.
5. an energy-saving display device for terminal, is characterized in that, comprising:
Instruction sleep block, after entering the static state display page in terminal, sends dormancy instruction to the primary processor of terminal, indicates described primary processor to enter park mode;
Wake module, for when there is wake events, sending wake-up signal to primary processor, indicating described primary processor to exit described dormant state;
Wherein, instruction sleep block, before transmission dormancy instruction is to the primary processor of terminal, also for arranging wake events, and arranges the preferential answering authority of wake events when standby.
6. the energy-saving display device of terminal according to claim 5, is characterized in that, described wake events comprise receive the operational order of user's input, the timer of terminal 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 preserving static state display content to be shown, shows described static state display content at the described static state display page.
8. the energy-saving display device of terminal according to claim 7, is characterized in that,
Described processing module also for receiving the refresh page displaying contents that described primary processor sends, being preserved and showing described refresh page displaying contents;
Described instruction sleep block, also for after showing described refresh page displaying contents in described processing module, sends dormancy instruction to the primary processor of 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.
CN201210456929.6A 2012-11-14 2012-11-14 The energy-saving displaying method of terminal and device, LCD module, terminal Active CN103810971B (en)

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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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