CN114327336B - Picture display control method and device, electronic equipment and computer storage medium - Google Patents
Picture display control method and device, electronic equipment and computer storage medium Download PDFInfo
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Abstract
The embodiment of the application provides a picture display control method, a device, electronic equipment and a computer storage medium. The picture display parameters are stored in the memory, and the picture display parameters stored in the memory can be updated, so that the picture display parameters can be updated to dynamically adjust the picture display effect.
Description
Technical Field
The present disclosure relates to the field of display technologies, and in particular, to a method and apparatus for controlling display of a picture, an electronic device, and a computer storage medium.
Background
With the development of display technology, liquid crystal displays (Liquid Crystal Display, LCD) have been widely used in various display devices, such as mobile phones, televisions, digital cameras, notebook computers, etc., because of their advantages of low power consumption, large display information amount, and easy colorization.
Liquid crystal display devices have some drawbacks such as: when the liquid crystal television plays a moving picture, an unclear image is seen back on the screen of the liquid crystal display device due to a hysteresis effect of the liquid crystal. The image definition is generally adjusted by adjusting the picture display parameters, but the traditional method is to write the picture display parameters in a micro control module (Microcontroller Unit, MCU) of the liquid crystal display device, so that the display effect of the image is fixed, and the display effect of the image can not be adjusted by changing the picture display parameters. Therefore, the conventional picture display method cannot dynamically adjust the picture display effect by changing the picture display parameters.
Content of the application
The embodiment of the application provides a picture display control method, a picture display control device, electronic equipment and a computer storage medium, which are used for relieving the technical problem that the picture display effect cannot be dynamically adjusted in the prior art.
In order to solve the technical problems, the embodiment of the application provides the following technical scheme:
in one aspect, the present application provides a method for controlling display of a screen, including:
receiving a picture display parameter acquisition instruction;
acquiring the picture display parameters from a storage module according to the picture display parameter acquisition instruction;
the picture display parameters are sent to a control module;
and controlling the picture display of a screen according to the picture display parameters through the control module.
Optionally, in some possible implementations of the present application, before the step of receiving the instruction for obtaining the display parameter of the screen, the method further includes:
and receiving the picture display parameters uploaded by the developer terminal, and storing the picture display parameters in the storage module.
Optionally, in some possible implementations of the present application, the step of obtaining the picture display parameter from the storage module according to the picture display parameter obtaining instruction includes:
determining a corresponding picture display parameter comparison table from the storage module according to the picture display parameter acquisition instruction;
and determining the picture display parameters according to the picture display parameter comparison table.
Optionally, in some possible implementations of the present application, the frame display parameter includes a black insertion time parameter; the step of controlling, by the control module, the picture display of the screen according to the picture display parameter includes:
and controlling the picture effects of different areas in the screen according to the black inserting time parameters through the control module.
Optionally, in some possible implementations of the present application, the step of sending the frame display parameter to a control module includes:
the picture display parameters are sent to a driving module;
binding the picture display parameters in an interface module through the driving module;
and sending the picture display parameters to the control module through the interface module.
Optionally, in some possible implementations of the present application, the step of controlling, by the control module, the screen display of the screen according to the screen display parameter includes:
receiving a picture display parameter application instruction and sending the picture display parameter application instruction to the control module;
and controlling the picture display of a screen according to the picture display parameters through the control module.
Optionally, in some possible implementations of the present application, the step of receiving a screen display parameter obtaining instruction includes:
when detecting that a user triggers the opening operation of a picture display parameter switch, receiving a picture display parameter acquisition instruction corresponding to the opening operation.
In one aspect, an embodiment of the present application further provides a device for controlling image display, including:
the first receiving unit is used for receiving a picture display parameter acquisition instruction;
the acquisition unit is used for acquiring the picture display parameters from the storage module according to the picture display parameter acquisition instruction;
the sending unit is used for sending the picture display parameters to the control module;
and the control unit is used for controlling the picture display of the screen according to the picture display parameters through the control module.
In one embodiment, the screen display control apparatus further includes:
and the second receiving unit is used for receiving the picture display parameters uploaded by the developer terminal and storing the picture display parameters in the storage module.
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 steps in a method for controlling display of a screen as described above when executing the computer program.
In one aspect, the present application provides a computer readable storage medium having a computer program stored therein, which when executed by a processor, implements the steps in the above-described screen display control method.
The embodiment of the application provides a picture display control method, a device, electronic equipment and a computer storage medium. The picture display parameters are stored in the memory, and the picture display parameters stored in the memory can be updated, so that the picture display parameters can be updated to dynamically adjust the picture display effect. The picture display control method can realize different display effects on the same liquid crystal display device, meets the requirements of different users, does not need to purchase products with different effects, and saves resources.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a scene of a picture display control system according to an embodiment of the present application.
Fig. 2 is a schematic flow chart of a first flowchart of a method for controlling display of a picture according to an embodiment of the present application.
Fig. 3 is a second flowchart of a method for controlling display of a picture according to an embodiment of the present application.
Fig. 4 is a scanning timing chart provided in an embodiment of the present application.
Fig. 5a is a schematic diagram of a first structure of a display control device according to an embodiment of the present application.
Fig. 5b is a schematic diagram of a second structure of the display control device according to the embodiment of the present application.
Fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
The embodiment of the application provides a picture display control method, a picture display control device, electronic equipment and a computer storage medium. The screen display 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, personal Computer), a micro-processing box, or other devices.
The terms "comprising" and "having" and any variations thereof, as used in the specification, claims and drawings, are intended to cover a non-exclusive inclusion. 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 but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, the terms "first," "second," and "third," etc. are used for distinguishing between different objects and not for describing a particular sequential order.
Referring to fig. 1, fig. 1 is a schematic view of a scene of a picture display control system provided in an embodiment of the present application, and referring to fig. 1, only an example is taken in which a picture display control device is integrated in an electronic device 11, firstly, the electronic device 11 receives a picture display parameter obtaining instruction, then, according to the picture display parameter obtaining instruction, the television device 11 obtains picture display parameters from a storage module, and then, the electronic device 11 sends the picture display parameters to a control module, and finally, through the control module, the picture display of a screen is controlled according to the picture display parameters. Since the picture display parameters are stored in the memory and the picture display parameters stored in the memory can be updated, the picture display parameters can be updated to dynamically adjust the picture display effect.
It should be noted that, the schematic view of the scene of the screen display control system shown in fig. 1 is only an example, and the electronic device 11 described in the embodiment of the present application is for more clearly describing the technical solution of the embodiment of the present application, and does not constitute a limitation on the technical solution provided in the embodiment of the present application, and it is known by those skilled in the art that, with the evolution of the system and the appearance of a new service office, the technical solution provided in the embodiment of the present application is equally applicable to similar technical problems. The following will describe in detail. The following description of the embodiments is not intended to limit the preferred embodiments.
According to the method and the device, the picture display parameters are stored in the memory, and the picture display parameters stored in the memory can be updated, so that the picture display parameters can be updated to dynamically adjust the picture display effect until the requirements of users are met, different display effects can be realized on the same liquid crystal display device, the requirements of different users are met, products with different effects do not need to be purchased, and resources are saved.
Referring to fig. 2, fig. 2 is a schematic flow chart of a first method for controlling display of a screen, which is applied to the electronic device and includes the following steps:
step 201: and receiving a picture display parameter acquisition instruction.
When a user wants to control the picture display in the screen through the face-changing display parameters, firstly, a picture display parameter acquisition instruction is sent to the electronic equipment, wherein the user can send the instruction through a remote controller, a mobile phone and other mobile controllers, and can also directly click a corresponding position generation instruction on a UI interface of the screen.
In one embodiment, the step of receiving a picture display parameter acquisition instruction includes: when detecting that a user triggers the opening operation of a picture display parameter switch, receiving a picture display parameter acquisition instruction corresponding to the opening operation.
For example: when a user turns on a screen display parameter switch of the UI menu, a screen display parameter acquisition instruction is generated.
And the electronic equipment receives the picture display parameter acquisition instruction and then executes the next operation.
Step 202: and acquiring the picture display parameters from the storage module according to the picture display parameter acquisition instruction.
And after the electronic equipment receives the picture display parameter acquisition instruction, acquiring the picture display parameters from the storage module according to the picture display parameter acquisition instruction.
In one embodiment, the step of obtaining the picture display parameters from the storage module according to the picture display parameter obtaining instruction includes:
determining a corresponding picture display parameter comparison table from the storage module according to the picture display parameter acquisition instruction; and determining the picture display parameters according to the picture display parameter comparison table.
The picture display parameters comprise black inserting time parameters, current parameters, scanning parameters and switching parameters, wherein the black inserting time parameters represent the time t when a backlight lamp of a screen is turned off.
The current parameter represents the magnification k of the current in the screen, and the overall brightness becomes lower due to the increase of the black time, so that at this time we need to properly amplify the current multiple, so according to the principle of conservation of power, since the ratio of the time the backlight is lit to the original event is (T-T)/T, the maximum amplified current multiple is k=t/(T-T), where T is the period of each frame of image update.
The scan parameters indicate whether the scan is a row-by-row scan or an N-row-by-row scan, i.e.: the backlight lamp is characterized in that 1 row of lamps are simultaneously lighted or N rows of lamps are simultaneously lighted; the switch parameter indicates whether the picture display parameter is applied to the current screen.
The on-off parameter indicates whether the picture display parameter is applied to picture display of the screen.
Since the control module can only receive binary values, we specify that the relative variables are as follows, the number of control rows of the vertical direction lamp is substituted directly with N, the black insertion time parameter is substituted with T/t×100, the current amplification factor k=t/(T-T0-T) ×100 is substituted (this value is limited by the maximum current that the LED lamp is subjected to). As shown in table 1, the values of the current parameter, the black time inserting parameter, the scanning parameter and the switching parameter are changed into binary values and stored in the picture display parameter comparison table, wherein the reserved bit defaults to 0, the value ranges of the current parameter, the black time inserting tea tree and the scanning parameter are 0-FF, and the value of the switching parameter is 0 or 1.
Table 1 picture display parameter comparison table
| Reserved bits | Current parameter | Black insertion time parameter | Scanning parameters | Switching parameters |
| Default to 0 | 0-FF | 0-FF | 0-FF | 0 or 1 |
Step 203: and sending the picture display parameters to the control module.
In one embodiment, the step of sending the frame display parameter to a control module includes: the picture display parameters are sent to a driving module; binding the picture display parameters in an interface module through the driving module; and sending the picture display parameters to the control module through the interface module.
In the last step, after the electronic equipment acquires the picture display parameters, the picture display parameters are sent to the driving module at the bottom layer, and the driving module binds the picture display parameters in the interface module and then transmits the picture display parameters to the control module through the interface module.
Step 204: and controlling the picture display of the screen according to the picture display parameters by a control module.
After the electronic equipment sends the picture display parameters to the control module, the control module directly controls the working state of the backlight according to the picture display parameters, and further controls the picture display of the screen through the working state of the backlight.
In one embodiment, the picture display parameters include a black insertion time parameter; the step of controlling, by the control module, the picture display of the screen according to the picture display parameter includes: and controlling the picture effects of different areas in the screen according to the black inserting time parameters through the control module.
As shown in fig. 4, in the scanning timing chart provided in the embodiment of the present application, in general, the black inserting time parameter t=t/N is used, where T is a period of updating each frame of image, and N is a scanning parameter, and since the liquid crystal scanning is performed from top to bottom and from left to right, when t=t/N, the picture definition in the screen is high, and the picture definition of each region in the screen is the same, when T is smaller than T/N, the picture definition of the upper region in the screen is low, the picture definition of the lower region is high, and when T is larger than T/N, the picture definition of the upper region in the screen is high, and the picture definition of the lower region is low.
In one embodiment, the step of controlling, by the control module, the screen display of the screen according to the screen display parameter includes: receiving a picture display parameter application instruction and sending the picture display parameter application instruction to the control module; and controlling the picture display of a screen according to the picture display parameters through the control module.
After the MCU black-inserting time parameter, the current parameter, the scanning parameter and the switching parameter are configured into variables, after receiving the command of BFI=1, namely the picture display parameter application command, the MCU black-inserting time converts the received current amplification factor, black-inserting time and the line number information of the lamps in the vertical direction into the duty ratio of the lamps and the current to act on each backlight lamp, and further controls the picture display effect.
The embodiment of the application provides a picture display control method, which comprises the steps of firstly receiving a picture display parameter acquisition instruction, then acquiring picture display parameters from a storage module according to the picture display parameter acquisition instruction, then sending the picture display parameters to a control module, and finally controlling picture display of a screen according to the picture display parameters through the control module. The picture display parameters are stored in the memory, and the picture display parameters stored in the memory can be updated, so that the picture display parameters can be updated to dynamically adjust the picture display effect until the requirements of users are met. The picture display control method can realize different display effects on the same liquid crystal display device and meet the requirements of different users.
Referring to fig. 3, fig. 3 is a second flowchart of a method for controlling a screen display according to an embodiment of the present application, before step 201, further includes:
step 205: and receiving the picture display parameters uploaded by the developer terminal, and storing the picture display parameters in a storage module.
The developer terminal in the application can be a user terminal or a developer terminal of a liquid crystal display device manufacturer, a user can adjust the picture display parameters on the user terminal by himself and store the picture display parameters in a storage, the user can adjust the picture display parameters through a notebook computer and other terminals and upload the picture display parameters to a storage module of liquid crystal display equipment, and staff in liquid crystal display setting can adjust the picture display parameters through the developer terminal and upload the picture display parameters to a storage module of the corresponding liquid crystal display equipment.
In one embodiment, the developer terminal uploads the picture display parameters to the cloud end, the cloud end server receives the acquisition request of the liquid crystal display device, and the cloud end sends the picture display parameters to the corresponding liquid crystal display device.
In the application, the picture display parameters can be uploaded through the developer terminal, if the picture display parameters of the current application do not meet the picture display requirements of the user, the picture display parameters can be changed, the changed picture display parameters can be uploaded to the liquid crystal display device again and stored in the storage module of the liquid crystal display device, and the electronic equipment controls the picture display of the screen according to the updated picture display parameters. Therefore, the picture display control method provided by the application can dynamically adjust the picture display effect by adjusting the picture display parameters until the requirement of a user is met. The picture display control method can realize different display effects on the same liquid crystal display device, meets the requirements of different users, does not need to purchase products with different effects, and saves resources.
On the basis of the method described in the foregoing embodiment, this embodiment will be further described from the perspective of a screen display control device, and referring to fig. 5a, fig. 5a specifically describes a first structural schematic diagram of the screen display control device provided in this embodiment, including:
a first receiving unit 501 configured to obtain a picture display parameter;
in one embodiment, the first receiving unit 501 includes:
the first receiving subunit is used for receiving the picture display parameter obtaining instruction corresponding to the opening operation when the opening operation of the picture display parameter switch triggered by the user is detected.
An obtaining unit 502, configured to obtain the picture display parameters from the storage module according to the picture display parameter obtaining instruction;
in one embodiment, the obtaining unit 502 includes:
the first determining subunit is used for determining a corresponding picture display parameter comparison table from the storage module according to the picture display parameter acquisition instruction;
and the second determining subunit is used for determining the picture display parameters according to the picture display parameter comparison table.
A sending unit 503, configured to send the frame display parameter to a control module;
in one embodiment, the transmitting unit 503 includes:
the first sending subunit is used for sending the picture display parameters to the driving module;
the binding subunit is used for binding the picture display parameters in the interface module through the driving module;
and the second sending subunit is used for sending the picture display parameters to the control module through the interface module.
And the control unit 504 is configured to control, by using the control module, display of a screen according to the display parameter of the screen.
In one embodiment, the control unit 504 includes:
and the first control subunit is used for controlling the picture effects of different areas in the screen according to the black inserting time parameters through the control module.
In one embodiment, the control unit 504 further comprises:
the second receiving subunit is used for receiving the picture display parameter application instruction and sending the picture display parameter application instruction to the control module;
and the second control subunit is used for controlling the picture display of the screen according to the picture display parameters through the control module.
Referring to fig. 5b, fig. 5b specifically illustrates a second structural schematic diagram of a picture display control device according to an embodiment of the present application, where the picture display control device further includes:
and a second receiving unit 505, configured to receive the picture display parameter uploaded by the developer terminal, and store the picture display parameter in the storage module.
Accordingly, the embodiments of the present application also provide an electronic device, as shown in fig. 6, which may include a radio frequency circuit 601, a memory 602 including one or more computer readable storage media, an input unit 603, a display unit 604, a sensor 605, an audio circuit 606, a WiFi module 607, a processor 608 including one or more processing cores, and a power supply 609. It will be appreciated by those skilled in the art that the electronic device structure shown in fig. 6 is not limiting of the electronic device and may include more or fewer components than shown, or may combine certain components, or a different arrangement of components. Wherein:
the radio frequency circuit 601 may be used for receiving and transmitting signals during a message or a call, and in particular, after receiving downlink information of a base station, the downlink information is processed by one or more processors 608; in addition, data relating to uplink is transmitted to the base station. The memory 602 may be used to store software programs and modules that are stored in the memory 602 for execution by the processor 608 to perform various functional applications and data processing. The input unit 603 may be used to receive input numeric or character information and to generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control.
The display unit 604 may be used to display information entered by a user or provided to a user as well as various graphical user interfaces of the electronic device, which may be composed of graphics, text, icons, video, and any combination thereof.
The electronic device may also include at least one sensor 605, such as a light sensor, a motion sensor, and other sensors. Audio circuitry 606 includes speakers, which may provide an audio interface between the user and the electronic device.
WiFi belongs to a short-distance wireless transmission technology, and the electronic equipment can help a user to send and receive emails, browse webpages, access streaming media and the like through the WiFi module 607, so that wireless broadband Internet access is provided for the user. Although fig. 6 shows a WiFi module 607, it is understood that it does not belong to the necessary constitution of the electronic device, and can be omitted entirely as needed within a range that does not change the essence of the application.
The processor 608 is a control center of the electronic device that uses various interfaces and lines to connect the various parts of the overall handset, performing various functions of the electronic device and processing the data by running or executing software programs and/or modules stored in the memory 602, and invoking data stored in the memory 602, thereby performing overall monitoring of the handset.
The electronic device also includes a power supply 609 (e.g., a battery) for powering the various components, which may be logically connected to the processor 608 via a power management system so as to perform functions such as managing charge, discharge, and power consumption via the power management system.
Although not shown, the electronic device may further include a camera, a bluetooth module, etc., which will not be described herein. Specifically, in this embodiment, the processor 608 in the electronic device loads executable files corresponding to the processes of one or more application programs into the memory 602 according to the following instructions, and the processor 608 executes the application programs stored in the memory 602, so as to implement the following functions:
receiving a picture display parameter acquisition instruction;
acquiring the picture display parameters from a storage module according to the picture display parameter acquisition instruction;
the picture display parameters are sent to a control module;
and controlling the picture display of a screen according to the picture display parameters through the control module.
In the foregoing embodiments, the descriptions of the embodiments are focused on, and the portions of an embodiment that are not described in detail in the foregoing embodiments may be referred to in the foregoing detailed description, which is not repeated herein.
Those of ordinary skill in the art will appreciate that all or a portion of the steps of the various methods of the above embodiments may be performed by instructions, or by instructions controlling associated hardware, which may be stored in a computer-readable storage medium and loaded and executed by a processor.
To this end, embodiments of the present application provide a storage medium having stored therein a plurality of instructions capable of being loaded by a processor to perform the following functions:
receiving a picture display parameter acquisition instruction;
acquiring the picture display parameters from a storage module according to the picture display parameter acquisition instruction;
the picture display parameters are sent to a control module;
and controlling the picture display of a screen according to the picture display parameters through the control module.
The specific implementation of each operation above may be referred to the previous embodiments, and will not be described herein.
Wherein the storage medium may include: read Only Memory (ROM), random access Memory (RAM, random Access Memory), magnetic or optical disk, and the like.
The instructions stored in the storage medium may perform steps in any of the image display control methods provided in the embodiments of the present application, so that the beneficial effects that any of the image display control methods provided in the embodiments of the present application can be achieved are detailed in the previous embodiments, and are not repeated herein.
The foregoing describes in detail a method, an apparatus, an electronic device, and a computer storage medium for controlling display of a picture provided in the embodiments of the present application, and specific examples are applied to describe principles and implementations of the present application, where the descriptions of the foregoing embodiments are only used to help understand the technical solutions and core ideas of the present application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A picture display control method, characterized by comprising:
receiving a picture display parameter acquisition instruction;
according to the picture display parameter obtaining instruction, obtaining picture display parameters from a storage module, wherein the picture display parameters comprise a black inserting time parameter, a current parameter, a scanning parameter and a switching parameter, the black inserting time parameter represents the time when a backlight lamp of a screen is turned off, the current parameter represents the magnification of current in the screen, the scanning parameter represents the control line number of the lamp in the vertical direction during single scanning, and the switching parameter represents whether the picture display parameter is applied to the screen or not;
the picture display parameters are sent to a control module;
controlling the working state of a backlight lamp according to the picture display parameters through the control module so as to control the picture display of a screen through the working state of the backlight lamp; the controlling the working state of the backlight according to the picture display parameters includes: and converting the current amplification factor, the time for turning off the backlight lamps and the control line number of the lamps in the vertical direction into the duty ratio of the lamps and the current to act on each backlight lamp.
2. The picture display control method according to claim 1, wherein before the step of receiving a picture display parameter acquisition instruction, further comprising:
and receiving the picture display parameters uploaded by the developer terminal, and storing the picture display parameters in the storage module.
3. The picture display control method according to claim 1, wherein the step of acquiring picture display parameters from a storage module according to the picture display parameter acquisition instruction includes:
determining a corresponding picture display parameter comparison table from the storage module according to the picture display parameter acquisition instruction;
and determining the picture display parameters according to the picture display parameter comparison table.
4. The picture display control method according to claim 1, wherein; the step of controlling, by the control module, the working state of the backlight according to the picture display parameter to control the picture display of the screen according to the working state of the backlight includes:
and controlling the picture effects of different areas in the screen according to the black inserting time parameters through the control module.
5. The picture display control method according to claim 1, wherein the step of transmitting the picture display parameter to a control module includes:
the picture display parameters are sent to a driving module;
binding the picture display parameters in an interface module through the driving module;
and sending the picture display parameters to the control module through the interface module.
6. The picture display control method according to claim 1, wherein the step of controlling, by the control module, an operation state of a backlight according to the picture display parameter to control picture display of a screen by the operation state of the backlight includes:
receiving a picture display parameter application instruction and sending the picture display parameter application instruction to the control module;
and controlling the working state of the backlight lamp according to the picture display parameters by the control module so as to control the picture display of a screen by the working state of the backlight lamp.
7. The picture display control method according to claim 1, wherein the step of receiving a picture display parameter acquisition instruction includes:
when detecting that a user triggers the opening operation of a picture display parameter switch, receiving a picture display parameter acquisition instruction corresponding to the opening operation.
8. A screen display control apparatus, comprising:
the first receiving unit is used for receiving a picture display parameter acquisition instruction;
the image display device comprises an acquisition unit, a display unit and a display unit, wherein the acquisition unit is used for acquiring image display parameters from a storage module according to the image display parameter acquisition instruction, the image display parameters comprise black insertion time parameters, current parameters, scanning parameters and switching parameters, the black insertion time parameters represent the time when a backlight lamp of a screen is turned off, the current parameters represent the magnification of current in the screen, the scanning parameters represent the control line number of the lamp in the vertical direction during single scanning, and the switching parameters represent whether the image display parameters are applied to the screen or not;
the sending unit is used for sending the picture display parameters to the control module;
the control unit is used for controlling the working state of the backlight lamp according to the picture display parameters through the control module so as to control the picture display of a screen through the working state of the backlight lamp; the controlling the working state of the backlight according to the picture display parameters includes: and converting the current amplification factor, the time for turning off the backlight lamps and the control line number of the lamps in the vertical direction into the duty ratio of the lamps and the current to act on each backlight lamp.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps in the picture display control method according to any one of claims 1 to 7 when the computer program is executed.
10. A computer-readable storage medium storing a computer program which, when executed by a processor, implements the steps in the screen display control method according to any one of claims 1 to 7 。
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