CN106817753B - Method and device for saving electricity by switching background gray scales and mobile terminal - Google Patents
Method and device for saving electricity by switching background gray scales and mobile terminal Download PDFInfo
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- G—PHYSICS
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- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving 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
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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
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- 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
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Abstract
The embodiment of the invention discloses a method and a device for saving electricity by switching background gray scales and a mobile terminal. The method comprises the following steps: if the backlight control function is in an on state, detecting a residual electric quantity value of the terminal; when the residual electric quantity value is detected to be lower than or equal to the electric quantity threshold value, reducing the gray scale of the screen background image so as to update the screen display picture; and adjusting the gray scale and the screen backlight brightness of the updated screen display picture based on the backlight control function. The embodiment of the invention can improve the reduction adjustment space of the screen backlight brightness, thereby reducing the power consumption of the terminal.
Description
Technical Field
The invention relates to the field of electronic equipment, in particular to a method and a device for saving power by switching background gray scales and a mobile terminal.
Background
With the rapid development of mobile communication technology and computer technology, mobile terminals such as smart phones and tablet computers have become indispensable communication tools in people's lives. How to consider the low power consumption requirement of the terminal and the image quality of the screen display is a problem which needs to be solved urgently in the field of image processing.
The backlight Control function, such as a Content Adaptive Brightness Control (CABC) function, is used to adjust the relationship between the gray-scale value of an image and the screen backlight Brightness according to the image Content displayed on the terminal screen, so that the display quality of the image can be maintained while the screen backlight Brightness is effectively reduced. However, limited by the image content displayed on the screen, the power saving effect based on the backlight control function is poor at present, so that the terminal still has the problem of short endurance time.
Disclosure of Invention
The embodiment of the invention provides a method and a device for saving electricity by switching background gray scales and a mobile terminal, which can prolong the endurance time of the terminal.
In a first aspect, an embodiment of the present invention provides a method for saving power by switching a background gray level, including:
if the backlight control function is in an on state, detecting a residual electric quantity value of the terminal;
when the residual electric quantity value is detected to be lower than or equal to the electric quantity threshold value, reducing the gray scale of the screen background image so as to update the screen display picture;
and adjusting the gray scale and the screen backlight brightness of the updated screen display picture based on the backlight control function.
In a second aspect, an embodiment of the present invention provides an apparatus for saving power by switching a background gray level, including:
the electric quantity detection module is used for detecting the residual electric quantity value of the terminal if the backlight control function is in the starting state;
the screen gray scale reduction module is used for reducing the gray scale of a screen background image to update a screen display picture when the residual electric quantity value is detected to be lower than or equal to the electric quantity threshold value;
and the backlight adjusting module is used for adjusting the gray scale and the screen backlight brightness of the updated screen display picture based on the backlight control function.
In a third aspect, an embodiment of the present invention provides a mobile terminal, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the following steps when executing the computer program:
if the backlight control function is in an on state, detecting a residual electric quantity value of the terminal;
when the residual electric quantity value is detected to be lower than or equal to the electric quantity threshold value, reducing the gray scale of the screen background image so as to update the screen display picture;
and adjusting the gray scale and the screen backlight brightness of the updated screen display picture based on the backlight control function.
In the embodiment of the invention, when the backlight control function is in the starting state, the residual electric quantity value of the terminal is detected, and when the residual electric quantity value is detected to be lower than or equal to the electric quantity threshold value, the gray scale of the screen backlight image is reduced, so that the gray scale improvement space of the screen display image can be improved, and then the gray scale and the screen backlight brightness are adjusted on the screen display image based on the backlight control function. The reduction adjustment space of the screen backlight brightness can be increased, so that the power consumption of the terminal can be reduced.
Drawings
FIG. 1 is a flowchart illustrating a method for switching a background gray level to save power according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating a currently displayed image according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating another method for switching background gray levels to save power according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an apparatus for saving power by switching a background gray level according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a mobile terminal provided in an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
Fig. 1 is a flowchart illustrating a method for saving power by switching a background gray level according to an embodiment of the present invention, where the method can be executed by a device for saving power by switching a background gray level, the device can be implemented by software and/or hardware, and can be generally loaded in a mobile terminal. As shown in fig. 1, the method may include:
and 11, detecting a residual electric quantity value of the terminal if the backlight control function is in an open state.
Specifically, if the backlight control function is in the on state, the remaining power value of the terminal may be detected at a set time interval, so that it may be determined whether the terminal is in the low power mode subsequently according to the detected remaining power value.
And step 12, when the residual electric quantity value is detected to be lower than or equal to the electric quantity threshold value, reducing the gray scale of the screen background image so as to update the screen display picture.
The power threshold may be an empirical value stored in the terminal in advance, and may be preset in the terminal before the mobile terminal leaves the factory, or may be set according to a user operation.
Referring to fig. 2, a currently displayed image corresponding to the screen display may include a background image 01 and a content layer 02, for example, the currently displayed image may be an image of an application icon interface, or an image of other application interfaces such as an instant messaging application, a calendar, a short message, or a note.
Specifically, after the residual electric quantity value of the terminal is detected, the residual electric quantity value of the terminal is compared with an electric quantity threshold value, and if the residual electric quantity value of the terminal is lower than or equal to the electric quantity threshold value, the terminal is determined to be in a low-power mode; otherwise, determining that the terminal is in the normal mode.
The power saving effect of the backlight control function on a dark color picture (low gray scale picture) is better than that on a light color picture (high gray scale picture), because the gray scale space of the dark color picture which can be improved is large, and the corresponding space for reducing the backlight brightness downwards is also large. Specifically, if the terminal is in the low power mode, the gray scale of the screen background image is reduced, the gray scale of the screen display image including the screen background image and the content image layer can be reduced, the gray scale promotion space of the screen display image can be further improved, and the reduction space of the screen backlight brightness can be correspondingly increased.
And step 13, adjusting the gray scale and the screen backlight brightness of the updated screen display picture based on the backlight control function.
Specifically, the backlight control function has the same amplitude of gray scale improvement of the updated screen display picture as the amplitude of brightness reduction of the screen backlight, so that the brightness of the image is basically consistent before and after processing.
In the embodiment of the invention, when the backlight control function is in the starting state, the residual electric quantity value of the terminal is detected, and when the residual electric quantity value is detected to be lower than or equal to the electric quantity threshold value, the gray scale of the screen backlight image is reduced, so that the gray scale improvement space of the screen display image can be improved, and then the gray scale and the screen backlight brightness are adjusted on the screen display image based on the backlight control function. The reduction adjustment space of the screen backlight brightness can be increased, so that the power consumption of the terminal can be reduced.
Illustratively, reducing the gray level of the screen background image includes:
selecting and updating a target background image of a screen from at least one preset power-saving background image, wherein the gray scale of the power-saving background image is smaller than a gray scale threshold value.
The terminal is preset with at least one power-saving background picture which is used for reducing the gray scale of the current display image in the screen. The grayscale threshold may be an empirical value determined by a user, or may be determined according to a history of the backlight control function, for example, for each history image content displayed on the screen, statistics is performed on grayscale values of the history image content and screen backlight brightness adjusted for the history image based on the backlight control function, each target history image with screen backlight brightness higher than the brightness threshold is determined, and a minimum grayscale value among the grayscale values of each target history image may be used as the grayscale threshold. The gray scale of the screen background image is directly reduced through the preset power-saving background image, the reduction range of the backlight brightness of the screen can be effectively improved, the updating efficiency of the screen display image can be improved, and therefore the efficiency of switching the background gray scale to save power is improved.
Illustratively, selecting and updating the target background map of the screen from at least one preset power saving background map may include:
if the screen is in a static picture type scene, determining the first power saving background picture as a target background picture of the screen;
if the screen is in a picture preview scene, determining the second power saving background picture as a target background picture of the screen;
if the screen is in a dynamic picture scene, determining the third power-saving background picture as a target background picture of the screen;
wherein, the gray scales of the first, second and third power saving background pictures are sequentially reduced.
The scene type of the screen can be determined according to at least one scene feature of a display frame feature, a user behavior feature or a camera state of the screen, and the display frame feature can be brightness, transparency, hue, contrast, saturation or ambiguity of the screen display frame. 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 a starting state, determining that the screen is in a picture preview scene; and if the currently running active process is a video process or a game process and the current layer is a dynamic layer, determining that the screen is in a dynamic picture scene.
Specifically, when the screen is in different scenes, different power saving background pictures are adopted, so that the power consumption of the terminal can be further reduced on the premise of taking the picture display effect into consideration, and the endurance time of the terminal is prolonged.
For example, reducing the gray level of the screen background image may further include:
and subtracting a preset value from the gray scale of each pixel in the initial background image.
Wherein, the initial background image refers to the background image of the current display image. The initial background map may correspond to one or more preset values. For example, a current display image is divided into a plurality of sub-regions, the gray scale mean value of each sub-region is counted respectively, and the numerical value corresponding to the gray scale mean value of each sub-region is determined according to the mapping relation between the pre-constructed gray scale mean value and the preset numerical value, wherein the higher the gray scale mean value in the mapping relation is, the higher the corresponding preset numerical value is.
On the basis of the above embodiment, referring to fig. 3, in order to further improve the power saving effect, the method for switching the background gray level to save power may further include:
and 24, when a charging event is detected and the residual electric quantity value of the screen is higher than the electric quantity threshold value, taking the initial background image as the target background image of the screen again.
And after the terminal is detected to be switched from the low-power mode to the non-low-power mode, the initial background image is used as the target background image of the screen again. The initial background map may be a background map which is predetermined or personalized according to a user operation and has a high user satisfaction.
And step 25, adjusting the gray scale and the screen backlight brightness of the updated screen display picture based on the backlight control function.
It should be noted that, the function of step 25 is the same as that of step 13, or step 25 may not be included, and only the gray scale and the screen backlight brightness adjustment are performed based on the backlight control function after the screen background image is updated each time, that is, the screen display image is updated each time.
Specifically, the gray scale and the screen backlight brightness of the screen display picture taking the initial background image as the background are adjusted based on the backlight control function, so that the screen display picture can be provided for a user, and the satisfaction degree of the user is improved.
Fig. 4 is a schematic structural diagram of an apparatus for switching a background gray level to save power according to an embodiment of the present invention, which may be configured in a mobile terminal. As shown in fig. 4, the specific structure of the apparatus for saving power by switching the background gray levels may include:
the electric quantity detection module 31 is used for detecting a residual electric quantity value of the terminal if the backlight control function is in an on state;
a screen gray scale reduction module 32, configured to reduce a gray scale of a screen background image when detecting that the remaining power value is lower than or equal to the power threshold, so as to update a screen display picture;
the backlight adjusting module 33 is configured to adjust the gray scale and the screen backlight brightness of the updated screen display image based on the backlight control function.
Illustratively, the screen gray level reduction module 31 may be specifically configured to:
selecting and updating a target background image of a screen from at least one preset power-saving background image, wherein the gray scale of the power-saving background image is smaller than a gray scale threshold value.
Illustratively, the screen gray level reduction module 31 may be specifically configured to:
if the screen is in a static picture type scene, determining the first power saving background picture as a target background picture of the screen;
if the screen is in a picture preview scene, determining the second power saving background picture as a target background picture of the screen;
if the screen is in a dynamic picture scene, determining the third power-saving background picture as a target background picture of the screen;
wherein, the gray scales of the first, second and third power saving background pictures are sequentially reduced.
Illustratively, the apparatus may further include:
and the background image recovery module is used for selecting and updating a target background image of a screen from at least one preset power saving background image, and taking the initial background image as the target background image of the screen again when a charging event is detected and the residual electric quantity value of the screen is higher than the electric quantity threshold value.
Illustratively, the screen gray level reduction module 31 may be specifically configured to: and subtracting a preset value from the gray scale of each pixel in the initial background image.
The device for saving power by switching the background gray scale and the method for saving power by switching the background gray scale provided by any embodiment of the invention belong to the same invention concept, can execute the method for saving power by switching the background gray scale provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the method for saving power by switching the background gray scale. For details of the technology not described in detail in this embodiment, reference may be made to the method for saving power by switching the background gray level provided in any embodiment of the present invention.
Embodiments of the present invention provide a mobile terminal that may include a memory, a processor, and a computer program stored on the memory and executable on the processor.
Fig. 5 is a schematic structural diagram of a mobile terminal provided in an embodiment of the present invention, and as shown in fig. 5, an illustrated smart phone 400 may include: memory 401, a Central Processing Unit (CPU) 402, peripheral interfaces 403, RF circuitry 405, audio circuitry 406, speakers 411, a power management chip 408, input/output (I/O) subsystems 409, other input/control devices 410, and external ports 404, which communicate via one or more communication buses or signal lines 407.
It should be understood that the illustrated smartphone 400 is only one example of a mobile terminal, and that the smartphone 400 may have more or fewer components than shown in the figures, may combine two or more components, or may have a different configuration of components. The various components shown in the figures may 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 the smart phone for switching the background gray scale to save power in detail.
The memory 401: the memory 401 may be accessed by the CPU402, the peripheral interface 403, and the like, and the memory 401 may include high speed random access memory and may also include non-volatile memory, such as one or more magnetic disk storage devices, flash memory devices, or other volatile solid state storage devices.
A peripheral interface 403 which may connect input and output peripherals of the device to the CPU402 and the memory 401.
I/O subsystem 409: the I/O subsystem 409 may connect input and output peripherals on the device, such as the touch screen 402 and other input/control devices 410, to the peripheral interface 403. The I/O subsystem 409 may include a display controller 4091 and one or more input controllers 4092 for controlling other input/control devices 410. Where one or more input controllers 4092 receive electrical signals from or send electrical signals to other input/control devices 410, the other input/control devices 410 may include physical buttons (push buttons, rocker buttons, etc.), dials, slide switches, joysticks, or click wheels. It is noted that the input controller 4092 may be connected to any one of the following: a keyboard, an infrared port, a USB interface, and a pointing device such as a mouse.
The touch screen 412: the touch screen 412 is an input interface and an output interface between the user terminal and the user, and displays visual output to the user, which may include graphics, text, icons, or video, among others.
The display controller 4091 in the I/O subsystem 409 receives electrical signals from the touch screen 412 or transmits electrical signals to the touch screen 412. The touch screen 412 detects a contact on the touch screen, and the display controller 4091 converts the detected contact into an interaction with a user interface object displayed on the touch screen 412, i.e., implements a human-computer interaction, and the user interface object displayed on the touch screen 412 may be an icon for running a game, an icon networked to a corresponding network, or the like. It is worth mentioning that the device may also comprise a light mouse, which is a touch sensitive surface that does not show visual output, or an extension of the touch sensitive surface formed by the touch screen.
The RF circuit 405 is mainly used to establish communication between the mobile phone and the wireless network (i.e., network side), and implement data reception and transmission between the mobile phone and the wireless network. Such as sending and receiving short messages, e-mails, etc. In particular, the RF circuitry 405 receives and transmits RF signals, also referred to as electromagnetic signals, through which the RF circuitry 405 converts electrical signals to or from electromagnetic signals and communicates with communication networks and other devices. 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 chipset, a Subscriber Identity Module (SIM), and so forth.
The audio circuit 406 is mainly used to receive audio data from the peripheral interface 403, convert the audio data into an electric signal, and transmit the electric signal to the speaker 411.
The speaker 411 is used 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.
And the power management chip 408 is used for supplying power and managing power to the hardware connected with the CPU402, the I/O subsystem and the peripheral interface.
The CPU402 provided in the embodiment of the present invention implements the following steps when executing the computer program:
if the backlight control function is in an on state, detecting a residual electric quantity value of the terminal;
when the residual electric quantity value is detected to be lower than or equal to the electric quantity threshold value, reducing the gray scale of the screen background image so as to update the screen display picture;
and adjusting the gray scale and the screen backlight brightness of the updated screen display picture based on the backlight control function.
The foregoing is considered as illustrative of the preferred embodiments of the invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (7)
1. A method for saving power by switching background gray scales is characterized by comprising the following steps:
if the backlight control function is in an on state, detecting a residual electric quantity value of the terminal;
when the residual electric quantity value is detected to be lower than or equal to the electric quantity threshold value, reducing the gray scale of the screen background image so as to update the screen display picture; reducing the gray scale of the background image of the screen, comprising: selecting and updating a target background image of a screen from at least one preset power-saving background image, wherein the gray scale of the power-saving background image is smaller than a gray scale threshold value; selecting and updating a target background map of a screen from at least one preset power saving background map, comprising: if the screen is in a static picture type scene, determining the first power saving background picture as a target background picture of the screen; if the screen is in a picture preview scene, determining the second power saving background picture as a target background picture of the screen; if the screen is in a dynamic picture scene, determining the third power-saving background picture as a target background picture of the screen; wherein, the gray scales of the first power saving background image, the second power saving background image and the third power saving background image are reduced in sequence; the gray scale threshold is determined according to the history record of the backlight control function, for each history image content displayed on the screen, the gray scale value of the history image content and the screen backlight brightness adjusted by the history image based on the backlight control function are counted, each target history image with the screen backlight brightness higher than the brightness threshold is determined, and the minimum gray scale value in the gray scale values of the target history images is used as the gray scale threshold;
and adjusting the gray scale and the screen backlight brightness of the updated screen display picture based on the backlight control function, wherein the gray scale lifting amplitude of the screen display picture is the same as the reduction amplitude of the screen backlight brightness.
2. The method of claim 1, wherein after selecting and updating the target background map of the screen from the at least one preset power saving background map, the method comprises:
when a charging event is detected and the residual electric quantity value of the screen is higher than the electric quantity threshold value, the initial background image is used as the target background image of the screen again.
3. The method of claim 1, wherein reducing the gray scale of the screen background image comprises:
and subtracting a preset value from the gray scale of each pixel in the initial background image.
4. An apparatus for saving power by switching a background gray level, comprising:
the electric quantity detection module is used for detecting the residual electric quantity value of the terminal if the backlight control function is in the starting state;
the screen gray scale reduction module is used for reducing the gray scale of a screen background image to update a screen display picture when the residual electric quantity value is detected to be lower than or equal to the electric quantity threshold value; the screen gray scale reduction module is specifically configured to: selecting and updating a target background image of a screen from at least one preset power-saving background image, wherein the gray scale of the power-saving background image is smaller than a gray scale threshold value; the screen gray scale reduction module is further specifically configured to: if the screen is in a static picture type scene, determining the first power saving background picture as a target background picture of the screen; if the screen is in a picture preview scene, determining the second power saving background picture as a target background picture of the screen; if the screen is in a dynamic picture scene, determining the third power-saving background picture as a target background picture of the screen; wherein, the gray scales of the first power saving background image, the second power saving background image and the third power saving background image are reduced in sequence; the gray scale threshold is determined according to the history record of the backlight control function, for each history image content displayed on the screen, the gray scale value of the history image content and the screen backlight brightness adjusted by the history image based on the backlight control function are counted, each target history image with the screen backlight brightness higher than the brightness threshold is determined, and the minimum gray scale value in the gray scale values of the target history images is used as the gray scale threshold;
the backlight adjusting module is used for adjusting the gray scale and the screen backlight brightness of the updated screen display picture based on the backlight control function, and the gray scale lifting amplitude of the screen display picture is the same as the reduction amplitude of the screen backlight brightness.
5. The apparatus of claim 4, comprising:
and the background image recovery module is used for selecting and updating a target background image of a screen from at least one preset power saving background image, and taking the initial background image as the target background image of the screen again when a charging event is detected and the residual electric quantity value of the screen is higher than the electric quantity threshold value.
6. The apparatus of claim 4, wherein the grayscaling module is specifically configured to:
and subtracting a preset value from the gray scale of each pixel in the initial background image.
7. A mobile terminal comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the computer program implements the steps of:
if the backlight control function is in an on state, detecting a residual electric quantity value of the terminal;
when the residual electric quantity value is detected to be lower than or equal to the electric quantity threshold value, reducing the gray scale of the screen background image so as to update the screen display picture; reducing the gray scale of the background image of the screen, comprising: selecting and updating a target background image of a screen from at least one preset power-saving background image, wherein the gray scale of the power-saving background image is smaller than a gray scale threshold value; selecting and updating a target background map of a screen from at least one preset power saving background map, comprising: if the screen is in a static picture type scene, determining the first power saving background picture as a target background picture of the screen; if the screen is in a picture preview scene, determining the second power saving background picture as a target background picture of the screen; if the screen is in a dynamic picture scene, determining the third power-saving background picture as a target background picture of the screen; wherein, the gray scales of the first power saving background image, the second power saving background image and the third power saving background image are reduced in sequence; the gray scale threshold is determined according to the history record of the backlight control function, for each history image content displayed on the screen, the gray scale value of the history image content and the screen backlight brightness adjusted by the history image based on the backlight control function are counted, each target history image with the screen backlight brightness higher than the brightness threshold is determined, and the minimum gray scale value in the gray scale values of the target history images is used as the gray scale threshold;
and adjusting the gray scale and the screen backlight brightness of the updated screen display picture based on the backlight control function, wherein the gray scale lifting amplitude of the screen display picture is the same as the reduction amplitude of the screen backlight brightness.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710142351.XA CN106817753B (en) | 2017-03-10 | 2017-03-10 | Method and device for saving electricity by switching background gray scales and mobile terminal |
| PCT/CN2017/107185 WO2018161592A1 (en) | 2017-03-10 | 2017-10-21 | Method, device, storage medium, and electronic apparatus for changing background grayscale level to save power |
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| CN201710142351.XA CN106817753B (en) | 2017-03-10 | 2017-03-10 | Method and device for saving electricity by switching background gray scales and mobile terminal |
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| CN106817753A CN106817753A (en) | 2017-06-09 |
| CN106817753B true CN106817753B (en) | 2020-04-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106817753B (en) * | 2017-03-10 | 2020-04-17 | Oppo广东移动通信有限公司 | Method and device for saving electricity by switching background gray scales and mobile terminal |
| CN107465811B (en) * | 2017-07-12 | 2020-09-04 | Oppo广东移动通信有限公司 | Method for reducing temperature rise, computer readable storage medium and electronic equipment |
| CN109857401B (en) * | 2019-01-28 | 2023-03-28 | 华为技术有限公司 | Display method of electronic equipment, graphical user interface and electronic equipment |
| CN109634023B (en) * | 2019-01-28 | 2022-08-12 | Oppo广东移动通信有限公司 | Electrochromic assembly processing method and device, electronic equipment and readable storage medium |
| CN110189674A (en) * | 2019-05-27 | 2019-08-30 | 武汉华星光电半导体显示技术有限公司 | The method for automatically adjusting output voltage according to the battery capacity of mobile display device |
| CN110572867A (en) * | 2019-09-06 | 2019-12-13 | 广东虹勤通讯技术有限公司 | method and device for reducing power consumption of electronic equipment |
| CN114339966B (en) * | 2021-12-23 | 2023-10-31 | 杭州逗酷软件科技有限公司 | Interface control method and device for data transmission, medium and electronic equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286303A (en) * | 2007-04-13 | 2008-10-15 | 奇美电子股份有限公司 | LCD device and its image display process |
| CN102737597A (en) * | 2010-12-31 | 2012-10-17 | 刘鸿达 | Liquid crystal display device having a plurality of pixel electrodes |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002072998A (en) * | 2000-08-25 | 2002-03-12 | Internatl Business Mach Corp <Ibm> | Luminance controller, luminance adjusting system, computer system, liquid crystal display device, luminance control method, computer program and storage medium |
| CN101777309A (en) * | 2009-12-28 | 2010-07-14 | 硅谷数模半导体（北京）有限公司 | Self-adapting backlight control method and device |
| JP5381866B2 (en) * | 2010-03-31 | 2014-01-08 | 日本電気株式会社 | Portable terminal device, power consumption reduction method and program for portable terminal device |
| KR20120079398A (en) * | 2011-01-04 | 2012-07-12 | 삼성전자주식회사 | Apparatus and method for reducing power consumption in portable terminal |
| CN103050108B (en) * | 2012-12-17 | 2015-12-02 | 华为终端有限公司 | A kind of screen backlight dynamic adjustment method and user terminal |
| CN103533319A (en) * | 2013-10-16 | 2014-01-22 | 东莞宇龙通信科技有限公司 | Method and device for reducing power consumption of mobile terminal |
| CN104469022B (en) * | 2014-12-03 | 2017-08-25 | 北京元心科技有限公司 | A kind of backlight adjusting method, system and handheld terminal |
| CN104599642B (en) * | 2014-12-31 | 2017-05-03 | 小米科技有限责任公司 | Backlight control method and backlight control device |
| CN106304280B (en) * | 2015-05-11 | 2020-03-24 | 上海和辉光电有限公司 | Power supply control method and system and mobile terminal |
| CN105096875B (en) * | 2015-08-14 | 2017-12-12 | 武汉华星光电技术有限公司 | A kind of GTG control method, GTG control device and LCDs |
| CN106817753B (en) * | 2017-03-10 | 2020-04-17 | Oppo广东移动通信有限公司 | Method and device for saving electricity by switching background gray scales and mobile terminal |
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- 2017-10-21 WO PCT/CN2017/107185 patent/WO2018161592A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286303A (en) * | 2007-04-13 | 2008-10-15 | 奇美电子股份有限公司 | LCD device and its image display process |
| CN102737597A (en) * | 2010-12-31 | 2012-10-17 | 刘鸿达 | Liquid crystal display device having a plurality of pixel electrodes |
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| WO2018161592A1 (en) | 2018-09-13 |
| CN106817753A (en) | 2017-06-09 |
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