CN114283722A - Screen control method and device, electronic equipment and computer readable storage medium - Google Patents
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Abstract
The embodiment of the application provides a screen control method, a screen control device, electronic equipment and a computer readable storage medium. According to the method and the device, the current threshold is determined according to the current display picture parameters, namely the current threshold is dynamically inquired, and the screen current is controlled according to the real-time current threshold and the real-time display picture parameters, so that the real-time control of the screen current is realized, and the accuracy of the screen current control is improved.
Description
Technical Field
The present application relates to the field of display technologies, and in particular, to a screen control method and apparatus, an electronic device, and a computer-readable storage medium.
Background
Along with the improvement of life quality, people have higher and higher requirements on a display screen, and the display screen is required to be large enough in size and good in display effect. In order to meet various requirements of users, the power consumption required by the display screen is larger and larger, and the corresponding current is larger and larger. The greater the current, the greater the risk of burning the display screen.
In the traditional scheme for preventing the screen from burning, the current value of the screen is monitored in real time, the real-time current value is compared with a fixed current threshold value, and if the current value is greater than the fixed current threshold value, the screen current is controlled. Therefore, the conventional screen burning prevention scheme cannot precisely control the screen current.
Disclosure of Invention
The embodiment of the application provides a screen control method and device, electronic equipment and a computer readable storage medium, which are used for improving the accuracy of controlling screen current.
In order to solve the above technical problem, an embodiment of the present application provides the following technical solutions:
in one aspect, the present application provides a screen control method, including:
acquiring the current value of a screen;
acquiring current display picture parameters of the screen;
determining a current threshold according to the current display picture parameter;
and controlling the screen current according to the current value and the current threshold value.
Optionally, in some possible implementations of the present application, the step of obtaining the current value of the screen includes:
acquiring a current signal of the screen through a sensing module;
and converting the current signal into the current value through a conversion module.
Optionally, in some possible implementations of the present application, the display picture parameter includes an average picture level value; the step of obtaining the current display picture parameter of the screen comprises the following steps:
acquiring first color television level values, second color television level values and third color television level values corresponding to a plurality of sub-pixels in the screen;
determining the average image level value based on the first color level value, the second color level value, and the third color.
Optionally, in some possible implementation manners of the present application, the step of obtaining a first color level value, a second color level value, and a third color level value corresponding to a plurality of sub-pixels in the screen includes:
acquiring a plurality of first input data, a plurality of second input data and a plurality of third input data which correspond to a plurality of sub-pixels in the screen respectively;
respectively performing brightness conversion on the plurality of first input data, the plurality of second input data and the plurality of third input data to obtain a plurality of corresponding first brightness data, a plurality of corresponding second brightness data and a plurality of corresponding third brightness data;
determining the first color level value from the first plurality of luminance data, determining the second color level value from the second plurality of luminance data, and determining the third color level value from the third plurality of luminance data.
Optionally, in some possible implementations of the present application, the step of determining the current threshold according to the current display frame parameter includes:
and determining a current threshold according to the current display picture parameter based on a preset current comparison table, wherein the preset current comparison table comprises a mapping relation between the display picture parameter and the corresponding current threshold.
Optionally, in some possible implementations of the present application, the step of controlling the screen current according to the current value and the current threshold includes:
determining a control signal according to the current value and the current threshold value through a control module;
and controlling the screen current according to the control signal.
Optionally, in some possible implementations of the present application, the step of controlling the screen current according to the control signal includes:
and controlling the screen current through a switch module according to the control signal.
In one aspect, an embodiment of the present application further provides a screen control device, including:
the first acquisition unit is used for acquiring the current value of the screen;
the second acquisition unit is used for acquiring the current display picture parameter of the screen;
the determining unit is used for determining a current threshold according to the current display picture parameter;
and the control unit is used for controlling the screen current according to the current value and the current threshold value.
In one aspect, an embodiment of the present application provides an electronic device, where the electronic device includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and the processor implements the steps in the screen control method when executing the computer program.
In one aspect, the present application provides a computer-readable storage medium, in which a computer program is stored, and the computer program, when executed by a processor, implements the steps in the screen control method.
The embodiment of the application provides a screen control method, a screen control device, electronic equipment and a computer readable storage medium. According to the method and the device, the current threshold is determined according to the current display picture parameters, namely the current threshold is dynamically inquired, and the screen current is controlled according to the real-time current threshold and the real-time display picture parameters, so that the real-time control of the screen current is realized, and the accuracy of the screen current control is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a scene schematic diagram of a screen control system according to an embodiment of the present application.
Fig. 2 is a flowchart illustrating a screen control method according to an embodiment of the present application.
Fig. 3 is a system framework diagram of a display screen according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a screen control device according to an embodiment of the present application.
Fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a screen control method and device, electronic equipment and a computer readable storage medium. The screen control device may be integrated in an electronic device, which may be a server or a terminal, where the terminal may include a tablet Computer, a notebook Computer, a Personal Computer (PC), a micro processing box, or other devices.
The terms "comprising" and "having," and any variations thereof, as appearing in the specification, claims and drawings of this application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or may alternatively include other steps or elements inherent to such process, method, article, or apparatus. Furthermore, the terms "first," "second," and "third," etc. are used to distinguish between different objects and are not used to describe a particular order.
In the present application, the screen includes, but is not limited to, a television screen, and may also be a computer or a mobile phone screen.
Referring to fig. 1, fig. 1 is a scene schematic diagram of a screen control system according to an embodiment of the present disclosure, and referring to fig. 1, the screen control system is integrated into an electronic device, which is taken as an example only, the electronic device first obtains a current value of a screen, then obtains a current display frame parameter of the screen, then determines a current threshold according to the current display frame parameter, and finally controls a screen current according to the current value and the current threshold. According to the method and the device, the current threshold is determined according to the current display picture parameters, namely the current threshold is dynamically inquired, and the screen current is controlled according to the real-time current threshold and the real-time display picture parameters, so that the real-time control of the screen current is realized, and the accuracy of the screen current control is improved.
It should be noted that the scene diagram of the screen management system shown in fig. 1 is only an example, the electronic device described in the embodiment of the present application is for more clearly illustrating the technical solution of the embodiment of the present application, and does not constitute a limitation to the technical solution provided in the embodiment of the present application, and as a person having ordinary skill in the art knows, with the evolution of the system and the emergence of a new business office, the technical solution provided in the embodiment of the present application is also applicable to similar technical problems. The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.
Referring to fig. 2, fig. 2 is a schematic flowchart of a screen control method provided in an embodiment of the present application, where the screen control method is used for the electronic device, and the screen control method includes:
step 201: and acquiring the current value of the screen.
Because the content displayed in the screen is different, the current value in the screen is not fixed and changes in real time, and therefore, only the current value of the screen corresponding to the current moment can be obtained.
In one embodiment, the step of obtaining the current value of the screen includes: acquiring a current signal of the screen through a sensing module; and converting the current signal into the current value through a conversion module.
The sensing module includes, but is not limited to, an electromagnetic current transformer, and may also be a hall current sensor and other components capable of measuring current, and the specific sensing module is not limited herein, and an appropriate sensing module is selected according to actual conditions.
Step 202: and acquiring current display picture parameters of the screen.
The display picture parameter in the present application is a parameter indicating a display condition of a picture, and includes, but is not limited to, an average image level value.
In one embodiment, the step of obtaining the current display frame parameter of the screen includes:
acquiring first color television level values, second color television level values and third color television level values corresponding to a plurality of sub-pixels in the screen; determining the average image level value based on the first color level value, the second color level value, and the third color level value.
Wherein, the step of obtaining the first color television level value, the second color television level value and the third color television level value corresponding to the plurality of sub-pixels in the screen comprises: acquiring a plurality of first input data, a plurality of second input data and a plurality of third input data which correspond to a plurality of sub-pixels in the screen respectively; respectively performing brightness conversion on the plurality of first input data, the plurality of second input data and the plurality of third input data to obtain a plurality of corresponding first brightness data, a plurality of corresponding second brightness data and a plurality of corresponding third brightness data; determining the first color level value from the first plurality of luminance data, determining the second color level value from the second plurality of luminance data, and determining the third color level value from the third plurality of luminance data.
The following is an example of a method for acquiring the current display screen parameters of the screen.
Taking the sub-pixel R, G, B as an example, the display image seen by human eyes on the display panel is composed of pixels, and each pixel is composed of three sub-pixels of red R, green G, and blue B. Therefore, when the input data of the sub-pixels is the input data of the sub-pixels RGB, the input data of the sub-pixels RGB of the display frame can be extracted, wherein the input data corresponding to the sub-pixel R is the first input data, the input data corresponding to the sub-pixel G is the second input data, and the input data corresponding to the sub-pixel B is the third input data.
And finally, averaging the first brightness data of all R sub-pixels in the screen to obtain a first color level value, averaging the second brightness data of all G sub-pixels in the screen to obtain a second color level value, and averaging the third brightness data of all B sub-pixels in the screen to obtain a third color level value.
The above steps obtain the first color level value, the second color level value and the third color level value, and finally obtain the average image level value according to the formula 1.
APL ═ α × ARL + β × AGL + γ × (formula 1), where APL is an average image level value, ARL is a first color level value, AGL is a second color level value, and ABL is a third color level value, and an average image level value is obtained, the values of the coefficients α, β, and γ are determined by the characteristics of the display area, and it is necessary to satisfy α + β + γ ═ 1, and specific data is not limited here and is taken according to actual conditions.
Step 203: and determining a current threshold according to the current display picture parameter.
In practical situations, because the current thresholds corresponding to different display frames are different, for example, for a screen in which all the sub-pixels in the screen emit light, the current threshold at this time is larger, and for a screen in which some sub-pixels in the screen emit light and some sub-pixels do not emit light, the current threshold at this time is smaller.
In one embodiment, the current threshold is determined according to the current display frame parameter based on a preset current comparison table, where the preset current comparison table includes a mapping relationship between the display frame parameter and the corresponding current threshold.
As shown in table 1, if the current display parameter is 100, the corresponding current threshold is 7.5A, if the current display parameter is 80, the corresponding current threshold is 6A, if the current display parameter is 50, the corresponding current threshold is 4.5A, and the specific corresponding relationship between the display parameter and the current threshold is not limited herein, but is determined according to the performance of the actual display screen.
TABLE 1 Current COMPARATIVE TABLE
| Display parameters (APL) | Current threshold value/A |
| 100 | 7.5 |
| 80 | 6 |
| 50 | 4.5 |
Step 204: and controlling the screen current according to the current value and the current threshold value.
The electronic device controls the screen current according to the current value and the current threshold, for example, if the current value is less than or equal to the current threshold, the screen current is not adjusted, and if the current value is greater than the current threshold, the current is reduced, or the power is turned off.
In one embodiment, the step of controlling the screen current according to the current value and the current threshold comprises: determining a control signal according to the current value and the current threshold value through a control module; and controlling the screen current according to the control signal.
The control module includes, but is not limited to, a TCON module, and outputs a control signal if the current value is greater than the current threshold, or the control signal may be a command, for example, if the current value is greater than the current threshold, the TCON module outputs 0, and if the current value is less than or equal to the current threshold, the TCON module outputs 1.
In one embodiment, the step of controlling the screen current according to the control signal comprises: and controlling the screen current through a switch module according to the control signal.
When the switch module receives the control signal output by the TCON module, the screen current is controlled according to the control signal, for example, if the control signal is 0, the switch module turns off the power switch, and if the control signal is 1, the switch module does not operate.
As shown in fig. 3, a system frame diagram of a display screen provided in an embodiment of the present application is shown, a current signal of the screen is measured by a sensing module, so that the current signal is converted into a current value by a conversion module, a control module obtains the current value and a current display parameter corresponding to the display screen, and an electronic device controls a screen current by the control module according to the current value and the current display parameter corresponding to the display screen, where the power module is used to supply power to the conversion module and the control module, the power module may be a PMIC module, the conversion module is used to convert current information into a digital signal, and the conversion module may be an ADC module.
The embodiment of the application provides a screen control method, which comprises the steps of firstly obtaining the current value of a screen, then obtaining the current display picture parameter of the screen, then determining a current threshold according to the current display picture parameter, and finally controlling the current of the screen according to the current value and the current threshold. According to the method and the device, the current threshold is determined according to the current display picture parameters, namely the current threshold is dynamically inquired, and the screen current is controlled according to the real-time current threshold and the real-time display picture parameters, so that the real-time control of the screen current is realized, and the accuracy of the screen current control is improved.
On the basis of the method in the foregoing embodiment, the present embodiment will be further described from the perspective of a device management apparatus, please refer to fig. 4, and fig. 4 specifically describes a schematic structural diagram of a screen control apparatus provided in the present embodiment, which includes:
a first obtaining unit 401, configured to obtain a current value of a screen;
in one embodiment, the first obtaining unit 401 includes:
the first acquisition subunit is used for acquiring a current signal of the screen through the sensing module;
and the conversion subunit is used for converting the current signal into the current value through a conversion module.
A second obtaining unit 402, configured to obtain a current display screen parameter for the screen;
in one embodiment, the second obtaining unit 402 includes:
the second obtaining subunit is configured to obtain first color television level values, second color television level values, and third color television level values corresponding to a plurality of sub-pixels in the screen;
a first determining subunit, configured to determine the average image level value according to the first color level value, the second color level value, and the third color level value.
A determining unit 403, configured to determine a current threshold according to the current display frame parameter;
in one embodiment, the determining unit 403 includes:
and the second determining subunit is used for determining a current threshold according to the current display picture parameter based on a preset current comparison table, wherein the preset current comparison table comprises a mapping relation between the display picture parameter and the corresponding current threshold.
A control unit 404, configured to control the screen current according to the current value and the current threshold.
In one embodiment, the control unit 404 includes:
and the control subunit is used for controlling the screen current according to the control signal through the switch module.
Accordingly, embodiments of the present application also provide an electronic device, as shown in fig. 5, which may include components such as a radio frequency circuit 501, a memory 502 including one or more computer-readable storage media, an input unit 503, a display unit 504, a sensor 505, an audio circuit 506, a WiFi module 507, a processor 508 including one or more processing cores, and a power supply 509. Those skilled in the art will appreciate that the electronic device configuration shown in fig. 5 does not constitute a limitation of the electronic device and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components. Wherein:
the rf circuit 501 may be used for receiving and transmitting signals during information transmission and reception or during a call, and in particular, receives downlink information of a base station and then sends the received downlink information to one or more processors 508 for processing; in addition, data relating to uplink is transmitted to the base station. The memory 502 may be used to store software programs and modules, and the processor 508 executes various functional applications and data processing by operating the software programs and modules stored in the memory 502. The input unit 503 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control.
The display unit 504 may be used to display information input by or provided to a user and various graphical user interfaces of the electronic device, which may be made up of graphics, text, icons, video, and any combination thereof.
The electronic device may also include at least one sensor 505, such as light sensors, motion sensors, and other sensors. The audio circuitry 506 includes speakers that can provide an audio interface between the user and the electronic device.
WiFi belongs to short-distance wireless transmission technology, and the electronic equipment can help a user to receive and send emails, browse webpages, access streaming media and the like through the WiFi module 507, and provides wireless broadband internet access for the user. Although fig. 5 shows the WiFi module 507, it is understood that it does not belong to the essential constitution of the electronic device, and may be omitted entirely as needed within the scope not changing the essence of the application.
The processor 508 is a control center of the electronic device, connects various parts of the entire mobile phone by using various interfaces and lines, and performs various functions of the electronic device and processes data by operating or executing software programs and/or modules stored in the memory 502 and calling data stored in the memory 502, thereby integrally monitoring the mobile phone.
The electronic device also includes a power supply 509 (e.g., a battery) for powering the various components, which may preferably be logically coupled to the processor 508 via a power management system to manage charging, discharging, and power consumption management functions via the power management system.
Although not shown, the electronic device may further include a camera, a bluetooth module, and the like, which are not described in detail herein. Specifically, in this embodiment, the processor 508 in the electronic device loads the executable file corresponding to the process of one or more application programs into the memory 502 according to the following instructions, and the processor 508 runs the application program stored in the memory 502, so as to implement the following functions:
acquiring the current value of a screen;
acquiring current display picture parameters of the screen;
determining a current threshold according to the current display picture parameter;
and controlling the screen current according to the current value and the current threshold value.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and parts that are not described in detail in a certain embodiment may refer to the above detailed description, and are not described herein again.
It will be understood by those skilled in the art that all or part of the steps of the methods of the above embodiments may be performed by instructions or by associated hardware controlled by the instructions, which may be stored in a computer readable storage medium and loaded and executed by a processor.
To this end, the present application provides a storage medium, in which a plurality of instructions are stored, and the instructions can be loaded by a processor to implement the following functions:
acquiring the current value of a screen;
acquiring current display picture parameters of the screen;
determining a current threshold according to the current display picture parameter;
and controlling the screen current according to the current value and the current threshold value.
The above operations can be implemented in the foregoing embodiments, and are not described in detail herein.
Wherein the storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
Since the instructions stored in the storage medium can execute the steps in any screen control method provided in the embodiments of the present application, the beneficial effects that can be achieved by any screen control method provided in the embodiments of the present application can be achieved, which are detailed in the foregoing embodiments and will not be described herein again.
The screen control method, the screen control device, the electronic device and the computer-readable storage medium provided by the embodiments of the present application are introduced in detail, and a specific example is applied to illustrate the principle and the implementation manner of the present application, and the description of the embodiments is only used to help understanding the technical scheme and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A screen control method, comprising:
acquiring the current value of a screen;
acquiring current display picture parameters of the screen;
determining a current threshold according to the current display picture parameter;
and controlling the screen current according to the current value and the current threshold value.
2. The screen control method of claim 1, wherein the step of obtaining the current value of the screen comprises:
acquiring a current signal of the screen through a sensing module;
and converting the current signal into the current value through a conversion module.
3. The screen control method of claim 1, wherein the display picture parameter comprises an average picture level value; the step of obtaining the current display picture parameter of the screen comprises the following steps:
acquiring first color television level values, second color television level values and third color television level values corresponding to a plurality of sub-pixels in the screen;
determining the average image level value based on the first color level value, the second color level value, and the third color level value.
4. The screen control method of claim 1, wherein the step of obtaining the first color level value, the second color level value, and the third color level value corresponding to the plurality of sub-pixels in the screen comprises:
acquiring a plurality of first input data, a plurality of second input data and a plurality of third input data which correspond to a plurality of sub-pixels in the screen respectively;
respectively performing brightness conversion on the plurality of first input data, the plurality of second input data and the plurality of third input data to obtain a plurality of corresponding first brightness data, a plurality of corresponding second brightness data and a plurality of corresponding third brightness data;
determining the first color level value from the first plurality of luminance data, determining the second color level value from the second plurality of luminance data, and determining the third color level value from the third plurality of luminance data.
5. The screen control method of claim 1, wherein the step of determining a current threshold based on the current display frame parameter comprises:
and determining a current threshold according to the current display picture parameter based on a preset current comparison table, wherein the preset current comparison table comprises a mapping relation between the display picture parameter and the corresponding current threshold.
6. The screen control method of claim 1, wherein the step of controlling the screen current according to the present current value and the current threshold value comprises:
determining a control signal according to the current value and the current threshold value through a control module;
and controlling the screen current according to the control signal.
7. The screen control method of claim 6, wherein the step of controlling the screen current according to the control signal comprises:
and controlling the screen current through a switch module according to the control signal.
8. A screen control apparatus, comprising:
the first acquisition unit is used for acquiring the current value of the screen;
the second acquisition unit is used for acquiring the current display picture parameters of the screen;
the determining unit is used for determining a current threshold according to the current display picture parameter;
and the control unit is used for controlling the screen current according to the current value and the current threshold value.
9. An electronic device, characterized in that the electronic device comprises a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps in the screen control method according to any one of claims 1 to 7 when executing the computer program.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program which, when executed by a processor, implements the steps in the screen control method according to any one of claims 1 to 7.
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| CN110085174A (en) * | 2019-04-23 | 2019-08-02 | 深圳市华星光电半导体显示技术有限公司 | Reduce the method and device of power consumption for displays |
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