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WO2018161592A1 - Procédé, dispositif, support de stockage et appareil électronique destinés à changer le niveau d'échelle de gris d'arrière-plan pour économiser de l'énergie - Google Patents

Procédé, dispositif, support de stockage et appareil électronique destinés à changer le niveau d'échelle de gris d'arrière-plan pour économiser de l'énergie Download PDF

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Publication number
WO2018161592A1
WO2018161592A1 PCT/CN2017/107185 CN2017107185W WO2018161592A1 WO 2018161592 A1 WO2018161592 A1 WO 2018161592A1 CN 2017107185 W CN2017107185 W CN 2017107185W WO 2018161592 A1 WO2018161592 A1 WO 2018161592A1
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WO
WIPO (PCT)
Prior art keywords
screen
background image
power saving
grayscale
power
Prior art date
Application number
PCT/CN2017/107185
Other languages
English (en)
Chinese (zh)
Inventor
郑志勇
易永鹏
苟生俊
袁晓日
甘高亭
杨海
彭德良
Original Assignee
广东欧珀移动通信有限公司
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 广东欧珀移动通信有限公司 filed Critical 广东欧珀移动通信有限公司
Publication of WO2018161592A1 publication Critical patent/WO2018161592A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0267—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components
    • H04W52/027—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components by controlling a display operation or backlight unit
    • 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
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the field of electronic devices, and in particular, to a method, an apparatus, a storage medium, and an electronic device for switching background gray scales for power saving.
  • Backlight control functions such as content adaptation to backlight control (Content Adaptive Brightness The Control, CABC function is used to adjust the relationship between the grayscale value of the image and the brightness of the screen backlight according to the image content displayed on the terminal screen, and can effectively reduce the brightness of the screen backlight while maintaining the image display quality.
  • CABC function Content Adaptive Brightness The Control
  • the power saving effect based on the backlight control function is currently poor, resulting in the problem that the terminal still has a short battery life.
  • the embodiment of the present invention provides a method, a device, a storage medium, and an electronic device for switching background gray scales for power saving, which can extend the terminal life of the terminal.
  • an embodiment of the present application provides a method for switching a background grayscale to save power, including:
  • the grayscale and screen backlight brightness are adjusted on the updated screen display screen based on the backlight control function.
  • the embodiment of the present application provides a device for switching a background gray scale to save power, including:
  • the power detecting module is configured to detect a remaining power value of the terminal if the backlight control function is in an open state
  • a screen grayscale reduction module configured to reduce a grayscale of the screen background image to update the screen display screen when detecting that the remaining power value is lower than or equal to the power threshold
  • the backlight adjustment module is configured to adjust the grayscale and screen backlight brightness of the updated screen display screen based on the backlight control function.
  • an embodiment of the present disclosure provides a storage medium, where the storage medium stores a plurality of instructions, where the instructions are adapted to be loaded by a processor to perform a switching background grayscale provided by any one of the embodiments of the present invention. Electrical method.
  • an embodiment of the present application provides an electronic device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor implements the following when the computer program is executed step:
  • the grayscale and screen backlight brightness are adjusted on the updated screen display screen based on the backlight control function.
  • the embodiment of the present invention provides a method, a device, a storage medium, and an electronic device for switching background gray scales for power saving, which can extend the terminal life of the terminal.
  • FIG. 1 is a schematic flowchart of a method for switching a background gray scale to save power according to an embodiment of the present application
  • FIG. 2 is a schematic diagram of a current display image provided in an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of still another method for switching a background gray scale to save power according to an embodiment of the present application
  • FIG. 4 is a schematic structural diagram of an apparatus for switching a background gray scale to save power according to an embodiment of the present application
  • FIG. 5 is a schematic structural diagram of a mobile terminal provided in an embodiment of the present application.
  • An embodiment of the present application provides a method for switching a background gray scale to save power, including:
  • the grayscale and screen backlight brightness are adjusted on the updated screen display screen based on the backlight control function.
  • reducing the grayscale of the background image of the screen includes:
  • selecting and updating a target background image of the screen from the preset at least one power saving background image includes:
  • the first power saving background image is determined as the target background image of the screen
  • the second power saving background image is determined as the target background image of the screen
  • the third power saving background image is determined as the target background image of the screen
  • the gray level of the first power saving background image, the second power saving background image, and the third power saving background image are sequentially decreased.
  • the method includes:
  • the initial background image is re-used as the target background image for the screen.
  • reducing the grayscale of the background image of the screen includes:
  • the gray scale of each pixel in the initial background image is subtracted from the preset value.
  • the grayscale boosting amplitude of the updated screen display screen is the same as the screen backlight brightness reduction amplitude based on the backlight control function.
  • selecting and updating a target background image of the screen from the preset at least one power saving background image further includes:
  • the type of scene in which the screen is located is determined according to at least one of the display frame characteristics, the user behavior characteristics, or the camera status of the screen.
  • FIG. 1 is a schematic flowchart of a method for switching a background gray scale to save power according to an embodiment of the present disclosure.
  • the method may be performed by a device that switches background gray scales to save power, and the device may be implemented by software and/or hardware. Generally, it can be loaded in an electronic device such as a mobile terminal. As shown in FIG. 1, the method can include:
  • Step 11 If the backlight control function is in the on state, the remaining power value of the terminal is detected.
  • the remaining power value of the terminal may be periodically detected at a set time interval, so that the terminal may determine whether the terminal is in the low power mode according to the detected remaining power value.
  • Step 12 When detecting that the remaining power value is lower than or equal to the power threshold, lower the gray level of the screen background image to update the screen display screen.
  • the power threshold may be an experience value pre-stored in the terminal, which may be preset in the terminal before the mobile terminal leaves the factory, or may be set according to user operations.
  • the current display image corresponding to the screen display screen may include a background image 01 and a content layer 02, and the current display image may be an application icon interface, or an image of another application interface such as an instant messaging application, a calendar, a short message, or a note.
  • the terminal After detecting the remaining power value of the terminal, comparing the remaining power value of the terminal with the power threshold, if the remaining power value of the terminal is lower than or equal to the power threshold, determining that the terminal is in the low power mode; otherwise, determining the terminal In normal mode.
  • the backlight control function saves the power of the dark picture (low grayscale picture) better than the light picture of the light picture (high gray level picture), because the gray picture space of the picture itself can be increased, so the corresponding The space for lowering the brightness of the backlight is also large. Specifically, if the terminal is in the low power mode, the gray scale of the screen background image is reduced, and the gray scale of the screen display screen including the screen background image and the content layer can be reduced, thereby improving the grayscale lifting space of the screen display screen, correspondingly Ground can increase the room for the brightness of the screen backlight.
  • Step 13 Adjust the grayscale and the brightness of the screen backlight on the updated screen display screen based on the backlight control function.
  • the backlight control function has the same grayscale increase range as the screen backlight brightness reduction on the updated screen display screen, so that the brightness of the image is substantially consistent before and after the processing.
  • the embodiment of the present invention detects the remaining power value of the terminal, and when the remaining power value is lower than or equal to the power threshold, the gray scale of the screen backlight image is reduced, and the screen display screen can be improved.
  • the grayscale increases the space, and then adjusts the grayscale and screen backlight brightness of the screen display based on the backlight control function. The reduction of the brightness of the screen backlight can be increased, so that the power consumption of the terminal can be reduced.
  • reducing the grayscale of the background image of the screen includes:
  • At least one power saving background image is preset in the terminal, and the power saving background image is used to reduce the gray scale of the currently displayed image in the screen.
  • the grayscale threshold may be an empirical value determined by the user, or may be determined according to a history of the backlight control function, such as grayscale values of the historical image content for each historical image content displayed on the screen, and backlight control.
  • the screen backlight brightness adjusted for the historical image is determined, each target history image whose screen backlight brightness is higher than the brightness threshold is determined, and the minimum gray level value among the gray scale values of each target history image may be used as the gray level threshold.
  • the gray scale of the screen background image can be directly reduced by the preset power saving background image, which can not only effectively improve the brightness reduction of the screen backlight, but also improve the update efficiency of the screen display screen, thereby improving the efficiency of switching the background gray scale for power saving.
  • selecting and updating a target background image of the screen from the preset at least one power saving background image may include:
  • the first power saving background image is determined as the target background image of the screen
  • the second power saving background image is determined as the target background image of the screen
  • the third power saving background image is determined as the target background image of the screen
  • the gray level of the first power saving background image, the second power saving background image, and the third power saving background image are sequentially decreased.
  • the type of the scene in which the screen is located may be determined according to at least one of the display frame feature, the user behavior feature, or the camera state of the screen, and the display frame feature may be the brightness, transparency, hue, contrast, and saturation of the screen display frame. Or ambiguity, etc. For example, if the current frame rate of the screen is zero, it is determined that the screen is in a static picture scene; if the camera of the terminal is in the startup state, it is determined that the screen is in the picture preview scene; if the currently active active process is a video class process or a game class process And the current layer is a dynamic layer, then it is determined that the screen is in a dynamic scene.
  • the power consumption of the terminal can be further reduced under the premise of taking into account the screen display effect, thereby extending the terminal life time.
  • reducing the gray level of the background image of the screen may further include:
  • the gray scale of each pixel in the initial background image is subtracted from the preset value.
  • the initial background image refers to the background image of the currently displayed image.
  • the preset value corresponding to the initial background image may be one or more.
  • the current display image is divided into multiple sub-regions, and the grayscale mean values of the sub-regions are respectively counted, and the values corresponding to the grayscale mean values of the sub-regions are determined according to the mapping relationship between the pre-established grayscale mean values and the preset numerical values. The higher the gray level mean value in the mapping relationship, the higher the preset value.
  • the method for switching the background gray scale to save power may further include:
  • Step 24 When a charging event is detected, and the remaining power value of the screen is higher than the power threshold, the initial background image is re-used as the target background image of the screen.
  • the initial background image After detecting that the terminal is switched from the low power mode to the non-low power mode, the initial background image is re-used as the target background image of the screen.
  • the initial background image may be a background image with high user satisfaction that is predetermined or personalized according to user operations.
  • Step 25 Perform grayscale and screen backlight brightness adjustment on the updated screen display screen based on the backlight control function.
  • step 25 and step 13 are the same, and step 25 may be omitted.
  • the grayscale and screen backlight brightness adjustment may be performed based on the backlight control function each time the screen background image is updated, that is, each time the screen display screen is updated. Just fine.
  • the backlight control function adjusts the grayscale and the screen backlight brightness on the screen display screen with the initial background image as the background, and can provide the screen display screen for the user, thereby improving user satisfaction.
  • the embodiment of the present application further provides a device for switching background gray scales for power saving, including:
  • the power detecting module is configured to detect a remaining power value of the terminal if the backlight control function is in an open state
  • a screen grayscale reduction module configured to reduce a grayscale of the screen background image to update the screen display screen when detecting that the remaining power value is lower than or equal to the power threshold
  • the backlight adjustment module is configured to adjust the grayscale and screen backlight brightness of the updated screen display screen based on the backlight control function.
  • the screen grayscale reduction module is specifically configured to:
  • the screen grayscale reduction module is specifically configured to:
  • the first power saving background image is determined as the target background image of the screen
  • the second power saving background image is determined as the target background image of the screen
  • the third power saving background image is determined as the target background image of the screen
  • the gray level of the first power saving background image, the second power saving background image, and the third power saving background image are sequentially decreased.
  • the background image recovery module is configured to select and update the target background image of the screen from the preset at least one power saving background image
  • the charging event is detected, and the remaining power value of the screen is higher than When the power threshold is reached, the initial background image is re-used as the target background image of the screen.
  • the screen grayscale reduction module is specifically configured to:
  • the gray scale of each pixel in the initial background image is subtracted from the preset value.
  • the backlight adjustment module is based on the backlight control function, and the grayscale increase range of the updated screen display screen is the same as the screen backlight brightness reduction amplitude.
  • the screen grayscale reduction module is further configured to: determine a scene type in which the screen is located according to at least one of a display frame feature, a user behavior feature, or a camera state of the screen.
  • FIG. 4 is a schematic structural diagram of an apparatus for switching a background gray scale to perform power saving according to an embodiment of the present disclosure, where the apparatus may be configured in a mobile terminal.
  • the specific structure of the apparatus for switching the background gray scale to save power may include:
  • the power detecting module 31 is configured to detect a remaining power value of the terminal if the backlight control function is in an on state;
  • the screen grayscale reduction module 32 is configured to: when detecting that the remaining power value is lower than or equal to the power threshold, reduce a grayscale of the screen background image to update the screen display screen;
  • the backlight adjustment module 33 is configured to perform grayscale and screen backlight brightness adjustment on the updated screen display screen based on the backlight control function.
  • the screen grayscale reduction module 31 may be specifically used to:
  • the screen grayscale reduction module 31 may be specifically used to:
  • the first power saving background image is determined as the target background image of the screen
  • the second power saving background image is determined as the target background image of the screen
  • the third power saving background image is determined as the target background image of the screen
  • the gray level of the first power saving background image, the second power saving background image, and the third power saving background image are sequentially decreased.
  • the device may further include:
  • a background image recovery module configured to: after selecting and updating a target background image of the screen from the preset at least one power saving background image, when a charging event is detected, and a remaining power value of the screen is higher than the power threshold The initial background image is re-used as the target background image of the screen.
  • the screen grayscale reduction module 31 is specifically configured to: subtract the grayscale of each pixel in the initial background image by a preset value.
  • the screen grayscale reduction module 31 is further configured to: determine a scene type in which the screen is located according to at least one of a display frame feature, a user behavior feature, or a camera state of the screen.
  • the backlight adjustment module 33 performs the same grayscale increase amplitude on the updated screen display screen as the backlight backlight brightness reduction based on the backlight control function.
  • the method for switching the background gray scale to save power and the method for switching the background gray scale to save power provided by any embodiment of the present application belong to the same inventive concept, and can perform the switching background gray scale provided by any embodiment of the present application.
  • the electrical method has the corresponding functional modules and beneficial effects of performing the method of switching the background gray scale to save power.
  • An embodiment of the present application provides an electronic device, which may include a memory, a processor, and a computer program stored on the memory and executable on the processor. For example, perform the following steps:
  • the grayscale and screen backlight brightness are adjusted on the updated screen display screen based on the backlight control function.
  • the electronic device may be a device such as a mobile terminal, such as a mobile phone or a tablet computer.
  • FIG. 5 is a schematic structural diagram of a mobile terminal according to an embodiment of the present disclosure.
  • the illustrated smart phone 400 may include: a memory 401 and a central processing unit (Central). Processing Unit, hereinafter referred to as CPU) 402, peripheral interface 403, RF circuit 405, audio circuit 406, speaker 411, power management chip 408, input/output (I/O) subsystem 409, other input/control devices 410, and external ports 404, these components communicate via one or more communication buses or signal lines 407.
  • CPU central processing unit
  • the illustrated smartphone 400 is merely one example of a mobile terminal, and that the smartphone 400 may have more or fewer components than those shown in the figures, two or more components may be combined, or Can have different component configurations.
  • the various components shown in the figures can be implemented in hardware, software, or a combination of hardware and software, including one or more signal processing and/or application specific integrated circuits.
  • the following describes a smart phone for switching the background gray scale for power saving provided in this embodiment.
  • Memory 401 can be accessed by a CPU (abbreviated as processor) 402, a peripheral interface 403, etc., and the memory 401 can include a high speed random access memory, and can also include a non-volatile memory, such as one or more disk storage devices, Flash memory devices, or other volatile solid-state memory devices.
  • processor abbreviated as processor
  • peripheral interface 403 a peripheral interface
  • non-volatile memory such as one or more disk storage devices, Flash memory devices, or other volatile solid-state memory devices.
  • Peripheral interface 403 which can connect the input and output peripherals of the device to CPU 402 and memory 401.
  • I/O Subsystem 409 can connect input and output peripherals on the device, such as touch screen 402 and other input/control devices 410, to peripheral interface 403.
  • the I/O subsystem 409 can include a display controller 4091 and one or more input controllers 4092 for controlling other input/control devices 410.
  • one or more input controllers 4092 receive electrical signals from other input/control devices 410 or transmit electrical signals to other input/control devices 410, and other input/control devices 410 may include physical buttons (press buttons, rocker buttons, etc.) ), dial, slide switch, joystick or click on the wheel.
  • the input controller 4092 can be connected to any of the following: a keyboard, an infrared port, a USB interface, and a pointing device such as a mouse.
  • Touch screen 412 The touch screen 412 is an input interface and an output interface between the user terminal and the user, and displays the visual output to the user.
  • the visual output may include graphics, text, icons, or video.
  • Display controller 4091 in I/O subsystem 409 receives electrical signals from touch screen 412 or transmits electrical signals to touch screen 412.
  • the touch screen 412 detects the contact on the touch screen, and the display controller 4091 converts the detected contact into an interaction with the user interface object displayed on the touch screen 412, ie, realizes human-computer interaction, and the user interface object displayed on the touch screen 412 may be running.
  • the icon of the game, the icon of the network to the corresponding network, and the like.
  • the device may also include a light mouse, which is a touch sensitive surface that does not display a visual output, or an extension of a touch sensitive surface formed by the touch screen.
  • the RF circuit 405 is mainly used for establishing communication between the mobile phone and the wireless network (ie, the network side), and realizing data reception and transmission between the mobile phone and the wireless network. For example, sending and receiving short messages, emails, and the like. Specifically, the RF circuit 405 receives and transmits an RF signal, which is also referred to as an electromagnetic signal, and the RF circuit 405 converts the electrical signal into an electromagnetic signal or converts the electromagnetic signal into an electrical signal, and through the electromagnetic signal and communication network and other devices Communicate.
  • an RF signal which is also referred to as an electromagnetic signal
  • RF circuitry 405 may include known circuitry for performing these functions including, but not limited to, an antenna system, an RF transceiver, one or more amplifiers, a tuner, one or more oscillators, a digital signal processor, a CODEC chip Group, user identification module (Subscriber Identity Module, SIM) and more.
  • an antenna system an RF transceiver, one or more amplifiers, a tuner, one or more oscillators, a digital signal processor, a CODEC chip Group, user identification module (Subscriber Identity Module, SIM) and more.
  • SIM Subscriber Identity Module
  • the audio circuit 406 is mainly used to receive audio data from the peripheral interface 403, convert the audio data into an electrical signal, and transmit the electrical signal to the speaker 411.
  • the speaker 411 is configured to restore the voice signal received by the mobile phone from the wireless network through the RF circuit 405 to sound and play the sound to the user.
  • the power management chip 408 is used for power supply and power management of the hardware connected to the CPU 402, the I/O subsystem, and the peripheral interface.
  • the CPU 402 provided by the embodiment of the present application implements the following steps when executing the computer program:
  • the grayscale and screen backlight brightness are adjusted on the updated screen display screen based on the backlight control function.
  • the processor 402 is configured to perform the following steps when reducing the grayscale of the background image of the screen:
  • the processor 402 when selecting and updating a target background image of the screen from the preset at least one power saving background image, the processor 402 is configured to perform the following steps:
  • the first power saving background image is determined as the target background image of the screen
  • the second power saving background image is determined as the target background image of the screen
  • the third power saving background image is determined as the target background image of the screen
  • the gray level of the first power saving background image, the second power saving background image, and the third power saving background image are sequentially decreased.
  • the processor 402 is further configured to perform the following steps:
  • the initial background image is re-used as the target background image for the screen.
  • the processor 402 is configured to perform the following steps when reducing the grayscale of the background image of the screen:
  • the gray scale of each pixel in the initial background image is subtracted from the preset value.
  • the program may be stored in a computer readable storage medium, and the storage medium may include: Read only memory (ROM, Read Only Memory), Random Access Memory (RAM), disk or CD.
  • ROM Read only memory
  • RAM Random Access Memory

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
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Abstract

Des modes de réalisation de la présente invention concernent un procédé, un dispositif, un support de stockage et un appareil électronique destinés à changer un niveau d'échelle de gris d'arrière-plan pour économiser de l'énergie. Le procédé comprend les étapes suivantes : si une fonction de commande de rétroéclairage est dans un état activé, alors détecter un niveau d'énergie restant d'un terminal ; si le niveau d'énergie restant est détecté comme étant inférieur ou égal à un seuil de niveau d'énergie, abaisser un niveau d'échelle de gris d'une image d'arrière-plan sur un écran, et rafraîchir une trame d'affichage sur l'écran ; et ajuster, sur la base de la fonction de commande de rétroéclairage, un niveau d'échelle de gris et une luminosité de rétroéclairage d'écran pour la trame d'affichage rafraîchie sur l'écran.
PCT/CN2017/107185 2017-03-10 2017-10-21 Procédé, dispositif, support de stockage et appareil électronique destinés à changer le niveau d'échelle de gris d'arrière-plan pour économiser de l'énergie WO2018161592A1 (fr)

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CN201710142351.XA CN106817753B (zh) 2017-03-10 2017-03-10 一种切换背景灰阶进行省电的方法、装置及移动终端
CN201710142351.X 2017-03-10

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CN111831281A (zh) * 2019-01-28 2020-10-27 华为技术有限公司 电子设备的显示方法、图形用户界面及电子设备
CN110189674A (zh) * 2019-05-27 2019-08-30 武汉华星光电半导体显示技术有限公司 根据移动显示设备的电池电量自动调节输出电压的方法
CN114339966B (zh) * 2021-12-23 2023-10-31 杭州逗酷软件科技有限公司 用于数据传输的界面控制方法、装置、介质与电子设备

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