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WO2018196430A1 - Appareil et procédé de mise en œuvre d'un affichage permanent d'informations à faible consommation d'énergie - Google Patents

Appareil et procédé de mise en œuvre d'un affichage permanent d'informations à faible consommation d'énergie Download PDF

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Publication number
WO2018196430A1
WO2018196430A1 PCT/CN2017/119840 CN2017119840W WO2018196430A1 WO 2018196430 A1 WO2018196430 A1 WO 2018196430A1 CN 2017119840 W CN2017119840 W CN 2017119840W WO 2018196430 A1 WO2018196430 A1 WO 2018196430A1
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WO
WIPO (PCT)
Prior art keywords
display
mode
information
power consumption
control
Prior art date
Application number
PCT/CN2017/119840
Other languages
English (en)
Chinese (zh)
Inventor
聂道财
李欣
赵鹏
Original Assignee
上海掌门科技有限公司
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 上海掌门科技有限公司 filed Critical 上海掌门科技有限公司
Publication of WO2018196430A1 publication Critical patent/WO2018196430A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving

Definitions

  • the present invention relates to the field of smart wearable device technologies, and in particular, to a method and device for implementing low power consumption constant display information.
  • Some of the existing smart watches adopt a method of turning off or lowering the backlight of the mobile phone when the watch is in the standby mode, thereby reducing the power consumption of the watch, thereby extending the standby information of the watch.
  • the application number is 201510283955.7
  • the invention name is a method for reducing power consumption of a smart watch and a Chinese invention patent application for a smart watch, and discloses a method for reducing power consumption of a smart watch and a smart watch.
  • the method for reducing the power consumption of the smart watch includes: adjusting the display mode of the smart watch to reduce the power consumption of the smart watch when the smart watch is in a sleep state; and reducing the central processor of the smart watch The working frequency, and adjust the dial refresh period of the smart watch to stop updating the data of the dial second hand.
  • the above solution can display the minute and hour hand data in the sleep mode, reduce the viewing information and the consumed power consumption, and thus extend the standby information.
  • the above work mode cannot always display the information of the watch in real time (24 hours display), but can wait until the dial refresh cycle arrives to see the information display.
  • the refresh cycle is long, it is obvious that the user needs to wait for a long time.
  • Information can be seen in the dial display, which is not conducive to the user's use of the watch.
  • the present invention has been made in order to provide a method and apparatus for achieving low power consumption constant display information that overcomes the above problems or at least partially solves the above problems.
  • the present invention provides a method for implementing low power consumption constant display information for a terminal having a liquid crystal display, comprising the following steps:
  • the obtained terminal dial information is displayed in the ultra low power display state.
  • the method further comprises the following steps:
  • the real-time clock interrupt is periodically started, and the mobile industry processor interface exits the ultra-low power mode;
  • the dial application refreshes the information display
  • the mobile industry processor interface re-enters ultra-low power mode.
  • the ultra low power consumption display state it is determined whether there is an event entering the ultra low power consumption display state, and if the event exists, the ultra low power consumption display is entered.
  • Status turn off or set low backlight brightness, set a lower CPU frequency than the normal display state.
  • the period of periodically starting the real-time clock interrupt is 1 minute, and the real-time clock is provided by the CPU.
  • the process of displaying the refresh information is as follows:
  • the service control reads the configuration of the configuration control to perform power consumption related settings
  • the service control wakes up the system according to the refresh time of the configuration control and notifies the active control to perform a page user interface refresh operation;
  • the service control controls the active control page to refresh the operation after the page refresh operation
  • the environment mode interface control notifies the service end control
  • the service control notifies the activity control to exit the environment mode.
  • the terminal when the terminal encounters a wakeup event, the terminal resumes the normal display mode.
  • the wake-up event includes: the user presses a power button, the user touches the liquid crystal screen, the user raises the hand or turns the wrist.
  • a smart device comprising a display screen, a memory, one or more processors;
  • One or more programs wherein the one or more programs are stored in a memory and configured to be executed by the one or more processors, the program comprising for performing the method of any of the above step.
  • the display screen is a transflective liquid crystal screen.
  • a computer readable storage medium comprising a computer program for use with a watch having a display screen, the computer program being executable by a processor to perform any of the above The steps of the method.
  • the invention has the beneficial effects that the low-light display device of the invention can ensure that the user can clearly see the information (24-hour uninterrupted display) at any time.
  • the user is guaranteed to see a clearer information display in a fixed period, and power consumption is also guaranteed.
  • Figure 1 is a flow chart showing the normal mode of the present invention.
  • FIG. 2 is a flow chart showing the normal mode of the present invention.
  • FIG. 3 is a flowchart of a method for implementing low power consumption constant display information according to the present invention.
  • FIG. 4 is a flow chart of the low power constant display mode of the present invention.
  • FIG. 5 is a structural diagram of a low power consumption constant display information device according to the present invention.
  • the present invention uses a smart watch as an example to illustrate the technical solutions and technical effects of the present invention.
  • the smart watch of the present invention can enter two modes: one is a normal mode and the other is an ultra-low power display mode. The following is a detailed introduction.
  • the liquid crystal display used in the smart watch of the present invention selects the liquid crystal screen of the transflective mode, so that the liquid crystal screen can clearly display the dial of the screen when the backlight is turned off and the system is hibernated. Or other content, so that users get a good experience.
  • the dial in the sleep state of the watch before the present invention, the dial is black, and no information is displayed.
  • the dial displayed in the ultra-low power state is similar in height to the dial in the steady state state, and when the dial in the always-on state is switched to the state of the ultra-low power constant display information, since the dial heights of the two are similar, this is There is no sudden change in the kind of switching, and the transition is smooth.
  • the liquid crystal display of the present invention does not use a liquid crystal screen of a transflective mode, and an ordinary display screen is also possible. It is just that ordinary display screens cannot display content with the screen backlight turned off. In the case of the normal display, in the idle mode, the backlight brightness cannot be fully turned off, and only a relatively low brightness can be set.
  • FIG. 1 is a flow chart showing the normal mode of the present invention.
  • the normal_off of the watch screen is the state in which the screen does not display the content.
  • the main flow is as follows: First, turn off the backlight brightness; then turn off the LCD panel and power supply; turn off the MIPI DSI (MIPI (Mobile Industry Processor Interface) is the abbreviation of Mobile Industry Processor Interface) Is an open standard for mobile application processors initiated by the MIPI Alliance.
  • DSI Display Pixel Interface
  • the CPU continues to work, but since the LCD is turned off, the dial does not have any brightness, so that the information display cannot be seen.
  • the normal_on of the watch screen is the normal display state of the screen.
  • the main flow is as follows: enable and configure MIPI DSI; enable power supply and initialization of the LCD panel; enable the LCD controller; enable the LCD-related clock; set the appropriate backlight brightness .
  • enable and configure MIPI DSI enable power supply and initialization of the LCD panel
  • enable the LCD controller enable the LCD-related clock
  • set the appropriate backlight brightness .
  • the brightness of the entire watch dial will be much larger than when the normal mode is not turned on due to the opening of the backlight.
  • the information display is also the clearest state.
  • the information described here may be time or other application data such as weather, remaining power, and the like.
  • FIG. 3 it is a flowchart of a method for implementing low power consumption constant display information of the present invention.
  • the method is for a terminal having a liquid crystal display, the terminal being a smart watch or a wireless POS machine.
  • the method includes the following steps:
  • the dial displayed in the ultra-low power state is similar in height to the dial in the steady state state, and when the dial in the always-on state is switched to the state of the ultra-low power constant display information, since the dial heights of the two are similar, this is There is no sudden change in the kind of switching, and the transition is smooth.
  • the real-time clock interrupt is periodically started, and the mobile industry processor interface exits the ultra-low power mode.
  • the Real Time Clock (RTC) interrupt is initiated every fixed period (eg 1 minute) and the MIPI exits the ULPS mode.
  • the dial application refresh information display The system enters the Ambient mode (environment mode), and the dial application refreshes the information display.
  • the continuous information can be, for example, 3-5 seconds.
  • MIPI enters the ULPS mode again, and thus cyclically displays the purpose of periodically updating the display of the dial information.
  • the real time clock is provided by the CPU.
  • the above refresh mechanism is based on the standard Android version 5.0, which relies on the Android Dream service. This is also an important innovation of the present invention.
  • the basic concepts, processes, and advantages of the refresh mechanism are described below:
  • Dream mode is a new feature of Android 4.2. Think of this feature as an interactive screensaver that displays specific images, subscribed news, or other content when the device is idle or locked.
  • AmbientConfig Configuration item used to manage Ambient mode, such as switch, refresh rate, screen brightness limit, network access limit, JobScheduler limit, wake locks limit.
  • AmbientService is the core service for managing the Ambient mode, which is used to manage the life cycle of the Ambient mode and access the AmbientActivity list.
  • AmbientDream environment mode interface control: Implements the interface of the dream mode, which is used to monitor the change of the life cycle of the dream, but does not do the UI rendering operation itself. It can be understood as a transparent Dream, and the start and stop of the dream are opened as the ambient mode. And off the signal.
  • AmbientActivity The sleep UI implementation interface, such as the dial or some pages that need special display in Ambient mode.
  • AmbientNative Used to tell kernal to enter or exit Ambient mode.
  • the invention is an implementation scheme of AmbientDream serving Dream.
  • AmbientDream is used as the default Dream service of the system.
  • the AmbientService service program is started, the dial program implements the AmbientActivity interface, and is registered with the AmbientService.
  • the system enters dream mode and informs AmbientDream.
  • AmbientService reads the configuration of AmbientConfig to perform power consumption related settings.
  • the AmbientService notifies the registered AmbientActivity to enter the ambient mode for page rendering changes.
  • AmbientService wakes up the system according to AmbientConfig refresh frequency (via the system built-in Alarm timed wake-up system) and informs AmbientActivity to perform page UI refresh operation.
  • AmbientService controls the AmbientActivity page refresh operation to sleep the system.
  • AmbientService informs AmbientActivity to exit ambient mode.
  • the upper layer has the ability of UI rendering to achieve flexibility.
  • the system After entering the ambient mode, the system will maintain the UI effect before waking up on the screen, but the power saving effect is achieved by means of power saving strategy backlight shutdown, network limitation, alarm wake control.
  • the S150, mobile industry processor interface re-enters the ultra-low power mode.
  • the MIPI exits the ULPS mode
  • the LCD exits the IDLE mode
  • the wake-up event includes but is not limited to: the user presses the power button; the user touches the liquid crystal screen; the user makes a gesture of raising the hand, turning the wrist, and the like.
  • the present invention also provides a low power consumption display device 200 for a terminal having a liquid crystal display, the device comprising the following modules:
  • the switching module 210 is configured to switch the liquid crystal display to the idle mode while adjusting the display power consumption to the ultra low power display state.
  • the low power consumption display module 220 is configured to display the acquired terminal dial information in an ultra low power consumption display state.
  • the clock interrupt module 230 is configured to periodically initiate a real-time clock interrupt, so that the mobile industry processor interface exits the ultra-low power mode.
  • the Real Time Clock (RTC) interrupt is initiated every fixed period (eg 1 minute) and the MIPI exits the ULPS mode.
  • the dial refresh module 240 is configured to refresh the dial information display.
  • the dial application refreshes the information display once, and the continuous information can be, for example, 3-5 seconds. Then MIPI enters the ULPS mode again, and thus cyclically displays the purpose of periodically updating the display of the dial information.
  • the real time clock is provided by the CPU.
  • the wake-up module 250 is configured to: when the terminal encounters the wake-up event, the MIPI exits the ULPS mode, the LCD exits the IDLE mode, and the terminal resumes the normal display mode. At this time, you can set the normal backlight brightness and set the normal CPU frequency.
  • the wake-up event includes but is not limited to: the user presses the power button; the user touches the liquid crystal screen; the user makes a gesture of raising the hand, turning the wrist, and the like.
  • the present invention realizes switching between the normal display mode and the low power consumption constant display mode, and the user can select two modes to switch according to his own use condition.
  • the smart device of the present invention can realize the technical effect of displaying information 24 hours a day without interruption, and overcomes the technical defects in the prior art that the information cannot be continuously displayed.
  • any terminal that requires a display screen and needs to be displayed may adopt the technical solution of the present invention.
  • the UI is highly customizable. As long as the sleep page inherits the AmbientActivity and implements its own content refresh method, various data such as weather, step data and the like can be displayed.
  • the display information is only an illustrative example of the present invention.
  • a smart device comprising a display screen, a memory, one or more processors;
  • One or more programs wherein the one or more programs are stored in a memory and configured to be executed by the one or more processors, the program comprising for performing the method of any of the above step.
  • the display screen is a transflective liquid crystal screen.
  • a computer readable storage medium comprising a computer program for use with a watch having a display screen, the computer program being executable by a processor to perform any of the above The steps of the method.
  • modules in the devices of the embodiments can be adaptively changed and placed in one or more devices different from the embodiment.
  • the modules or units or components of the embodiments may be combined into one module or unit or component, and further they may be divided into a plurality of sub-modules or sub-units or sub-components.
  • any combination of the features disclosed in the specification, including the accompanying claims, the abstract and the drawings, and any methods so disclosed, or All processes or units of the device are combined.
  • Each feature disclosed in this specification (including the accompanying claims, the abstract and the drawings) may be replaced by alternative features that provide the same, equivalent or similar purpose.
  • the various component embodiments of the present invention may be implemented in hardware, or in a software module running on one or more processors, or in a combination thereof.
  • Those skilled in the art will appreciate that some or all of the functionality of some or all of the components of the virtual machine creation device in accordance with embodiments of the present invention may be implemented in practice using a microprocessor or digital signal processor (DSP).
  • DSP digital signal processor
  • the invention can also be implemented as a device or device program (e.g., a computer program and a computer program product) for performing some or all of the methods described herein.
  • Such a program implementing the invention may be stored on a computer readable medium or may be in the form of one or more signals. Such signals may be downloaded from an Internet website, provided on a carrier signal, or provided in any other form.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Computer Hardware Design (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

La présente invention concerne un appareil et un procédé de mise en œuvre d'un affichage permanent d'informations à faible consommation d'énergie. Le procédé de mise en œuvre d'un affichage permanent d'informations à faible consommation d'énergie est utilisé pour un terminal comprenant un écran d'affichage à cristaux liquides, et consiste : à commuter un écran d'affichage à cristaux liquides vers un mode inactif, et en même temps, à régler la consommation d'énergie d'affichage à un état d'affichage à consommation d'énergie ultra-faible ; à afficher des informations de numérotation de terminal acquises dans l'état d'affichage à consommation d'énergie ultra-faible ; à démarrer périodiquement une interruption d'horloge en temps réel, et une interface de processeur d'industrie mobile sortant d'un mode de consommation d'énergie ultra-faible ; une application de numérotation actualisant des informations affichées ; et l'interface de processeur d'industrie mobile entrant dans le mode de consommation d'énergie ultra-faible à nouveau. Un dispositif d'affichage permanent à faible lumière permet de garantir la visualisation d'informations clairement à tout moment par un utilisateur. De plus, au moyen d'une actualisation régulière des informations de numérotation, il est garanti qu'un utilisateur visualise plus clairement des informations affichées dans une période fixe, et la réduction de la consommation d'énergie est également assurée.
PCT/CN2017/119840 2017-04-26 2017-12-29 Appareil et procédé de mise en œuvre d'un affichage permanent d'informations à faible consommation d'énergie WO2018196430A1 (fr)

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CN201710284109.6A CN107168508B (zh) 2017-04-26 2017-04-26 一种低功耗常显信息实现方法及装置
CN201710284109.6 2017-04-26

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CN111625081A (zh) * 2019-02-28 2020-09-04 上海和辉光电有限公司 一种图像数据处理方法及设备
CN113467900B (zh) * 2020-03-31 2025-01-14 北京小米移动软件有限公司 终端、信息处理方法、装置及存储介质
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CN107168508A (zh) 2017-09-15

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