CN110035245B - Method, device, display terminal and readable storage medium for eliminating signal jitter - Google Patents
Method, device, display terminal and readable storage medium for eliminating signal jitter Download PDFInfo
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- CN110035245B CN110035245B CN201910323665.9A CN201910323665A CN110035245B CN 110035245 B CN110035245 B CN 110035245B CN 201910323665 A CN201910323665 A CN 201910323665A CN 110035245 B CN110035245 B CN 110035245B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/147—Scene change detection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/63—Generation or supply of power specially adapted for television receivers
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Abstract
The application is applicable to the technical field of signal processing, and provides a method, a device, a display terminal and a readable storage medium for eliminating signal jitter, wherein the method comprises the steps of detecting the display state of a display screen and judging whether the display state of the display screen changes or not; if the display state of the display screen changes, reducing the power supply voltage of the display screen to a preset power supply voltage; when the power supply voltage of the display screen is reduced to the preset power supply voltage, the time length reaches the preset time length, the power supply voltage of the display screen is recovered, and therefore the problem that when a user pulls out and inserts a signal line or adjusts the display state of the display screen, water ripples or signal jitter often occur, and user experience is greatly influenced is solved.
Description
Technical Field
The present application relates to the field of signal processing technologies, and in particular, to a method and an apparatus for eliminating signal jitter, a display terminal, and a readable storage medium.
Background
At present, a main board in a television set supplies power to the television set through a power supply, and converts a control signal through the main board to drive a display to display, for example, when a user adjusts a resolution or a display mode of the display, the user usually uses a remote controller to send the control signal to the television set, and then converts the control signal through the main board in the television set to adjust a video signal, so as to achieve a purpose of adjusting a display state of the display screen.
However, when a user plugs or unplugs a signal line or adjusts the display state of the display screen, water ripples or signal jitters often occur, which greatly affects the user experience.
Disclosure of Invention
The application aims to provide a method, a device, a display terminal and a readable storage medium for eliminating signal jitter, and aims to solve the problem that when a user pulls and inserts a signal line or adjusts the display state of a display screen, water ripples or signal jitter often occur, and user experience is greatly influenced.
The embodiment of the application provides a method for eliminating signal jitter, which comprises the following steps:
detecting the display state of a display screen and judging whether the display state of the display screen changes or not;
if the display state of the display screen changes, reducing the power supply voltage of the display screen to a preset power supply voltage;
and when the time length of the power supply voltage of the display screen reduced to the preset power supply voltage reaches the preset time length, restoring the power supply voltage of the display screen.
Optionally, the detecting the display state of the display screen and determining whether the display state of the display screen changes includes:
when the display screen does not display signals, detecting whether the display screen receives data display signals;
and if the display screen receives a data display signal, determining that the display state of the display screen changes.
Optionally, the detecting the display state of the display screen and determining whether the display state of the display screen changes includes:
detecting whether the display mode of the display screen changes or not, and if the display mode of the display screen changes, determining that the display state of the display screen changes.
Optionally, the detecting whether the display mode of the display screen changes includes:
and detecting whether the signal resolution of the display screen changes or not, and if so, determining that the display mode of the display screen changes.
Optionally, the detecting whether the display mode of the display screen changes includes:
detecting whether the signal system of the display screen changes, and if so, determining that the display mode of the display screen changes.
The present application also provides an apparatus for removing signal jitter, comprising:
the detection unit is used for detecting the display state of the display screen and judging whether the display state of the display screen changes or not;
the voltage regulating unit is used for reducing the power supply voltage of the display screen to a preset power supply voltage if the display state of the display screen changes;
and the recovery unit is used for recovering the power supply voltage of the display screen when the time length of the power supply voltage of the display screen reduced to the preset power supply voltage reaches the preset time length.
Optionally, the detecting unit includes: a first detection subunit;
the first detection subunit is used for detecting whether the display screen receives a data display signal or not when the display screen does not display the signal; and if the display screen receives a data display signal, determining that the display state of the display screen changes.
Optionally, the detecting unit includes: a second detection subunit;
the second detection subunit is configured to detect whether a display mode of the display screen changes, and determine that a display state of the display screen changes if the display mode of the display screen changes.
The present application further provides a terminal comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the method as described in any one of the above when executing the computer program.
The present application also provides a readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, performs the steps of the method as described in any one of the above.
The embodiment of the application provides a method, a device, a display terminal and a readable storage medium for eliminating signal jitter, which are used for judging whether the display state of a display screen changes or not by detecting the display state of the display screen; if the display state of the display screen changes, reducing the power supply voltage of the display screen to a preset power supply voltage; when the power supply voltage of the display screen is reduced to the preset power supply voltage, the time length reaches the preset time length, the power supply voltage of the display screen is recovered, and therefore the problem that when a user pulls out and inserts a signal line or adjusts the display state of the display screen, water ripples or signal jitter often occur, and user experience is greatly influenced is solved.
Drawings
Fig. 1 is a flowchart illustrating a method for removing signal jitter according to an embodiment of the present application;
FIG. 2 is a flowchart illustrating a method for removing signal jitter according to another embodiment of the present application;
FIG. 3 is a flowchart illustrating a method for removing signal jitter according to another embodiment of the present application; (ii) a
Fig. 4 is a schematic diagram of an apparatus for removing signal jitter according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
In order to explain the technical solutions of the present application, the following detailed descriptions are made with reference to specific drawings and examples.
Fig. 1 is a flowchart illustrating a method for removing signal jitter according to an embodiment of the present application, and referring to fig. 1, the method for removing signal jitter according to the embodiment includes:
step S10: detecting the display state of a display screen and judging whether the display state of the display screen changes or not;
step S20: if the display state of the display screen changes, reducing the power supply voltage of the display screen to a preset power supply voltage;
step S30: and when the time length of the power supply voltage of the display screen reduced to the preset power supply voltage reaches the preset time length, restoring the power supply voltage of the display screen.
In this embodiment, the display state of the display screen is monitored in real time, whether the display state of the display screen changes or not is judged according to the monitoring result, if the display state of the display screen changes, the power supply voltage of the display screen is reduced to a preset power supply voltage, and the power supply voltage of the display screen is restored to the working voltage after the preset duration is maintained.
In one embodiment, the determining whether the display state of the display screen changes may compare the display state of the display screen at preset time intervals, and determine whether the display state changes, specifically, may obtain a driving signal of the display screen, and determine whether the display state changes according to the driving signal of the display screen.
In an embodiment, the determining whether the display state of the display screen changes may further be performed by comparing the display state parameter of the current display screen with a preset changed display state parameter, so as to determine whether the display state of the current display screen changes.
In this embodiment, the components of the liquid crystal panel in the display panel are composed of a liquid crystal molecular layer, a backlight, an optical filter, and the like. The most important liquid crystal molecular layer has the effect of enabling light to pass through or shield the liquid crystal molecules through deflection, two sides of the liquid crystal molecular layer in the liquid crystal panel are provided with electrode structures, voltage is added to the liquid crystal molecular layer after a power supply is switched on to enable the liquid crystal molecules to deflect and displace, and the light passes through or shields the liquid crystal molecules according to the moving arrangement direction of the liquid crystal molecules, so that the liquid crystal molecules can be affected by an electric field. The liquid crystal material is an organic compound, the main element of the liquid crystal molecules is carbon (C), the liquid crystal material has a slender rod shape, and if a voltage is applied to the rod-shaped liquid crystal molecules, an electric dipole moment phenomenon is generated, namely, a pair of special forms are formed between positive and negative voltages at a certain distance, and the effect influences and changes the size and direction of an electric field of the liquid crystal molecules. Due to the electric dipole moment phenomenon, when people add voltage to a liquid crystal molecular layer, two kinds of positive and negative electrodes are generated inside liquid crystal molecules, and then the external electric field size and direction are influenced, so that the advancing direction of the liquid crystal molecules is changed. After the power supply stops pressurizing, the positive charges of the liquid crystal molecules advance towards the direction of the negative charges, and the negative charges advance towards the positive charge end, so that the arrangement direction of the liquid crystal molecules is changed, and the liquid crystal molecules restore to the original state.
In one embodiment, referring to fig. 2, step S10: the display state of the display screen is detected, and whether the display state of the display screen changes or not is judged, including:
step S110: when the display screen does not display signals, detecting whether the display screen receives data display signals;
step S111: and if the display screen receives a data display signal, determining that the display state of the display screen changes.
In this embodiment, when the display screen does not display a signal, detecting whether the display screen receives a data display signal, if the display screen receives the data display signal, determining that the display state of the display screen changes, that is, determining whether the display screen has a condition of plugging and unplugging the data signal line by monitoring a signal in a data signal line of the display screen in real time, and if the data signal line does not receive the data display signal within a preset interval time and then is converted into receiving the data display signal, determining that the data signal line of the display screen is plugged, and acquiring the data display signal from a data signal source, thereby determining that the display state of the display screen changes. If the data signal line is changed from the received data display signal to the data display signal which cannot be acquired within the preset interval time, the data signal line of the display screen is judged to be loosened or pulled out, the display state of the display screen is determined to be changed at the moment, if the display state of the display screen is changed, the power supply voltage of the display screen is reduced to the preset power supply voltage, and signal jitter and water ripples generated by pulling and inserting the signal data line are eliminated.
In an embodiment, if the display state of the display screen changes, reducing the power supply voltage of the display screen to a preset power supply voltage may include:
the supply voltage of the display screen is reduced from the operating voltage to one half of the operating voltage.
In one embodiment, the power supply voltage of the display screen is restored when the power supply voltage of the display screen is reduced to a preset power supply voltage for a preset time period, wherein the preset time period may be 50 milliseconds to 100 milliseconds.
In one embodiment, referring to fig. 3, step S10: the display state of the display screen is detected, and whether the display state of the display screen changes or not is judged, including:
step S120: detecting whether the display mode of the display screen is changed or not;
step S121: and if the display mode of the display screen is changed, determining that the display state of the display screen is changed.
In this embodiment, the display mode may include a resolution and a color depth of the screen, and when the display mode of the display screen changes, a voltage across liquid crystal molecules in the display screen may suddenly change, thereby causing an abnormal display image, so that it is possible to prepare to determine whether the display state of the display screen changes by detecting whether the display mode of the display screen changes.
In one embodiment, step S120: the detecting whether the display mode of the display screen changes includes:
and detecting whether the signal resolution of the display screen changes or not, and if so, determining that the display mode of the display screen changes.
In the present embodiment, the display resolution is the number of pixels displayed on the screen, and for example, the resolution of 160 × 128 means that the number of pixels in the horizontal direction is 160 and the number of pixels in the vertical direction is 128. Under the condition of the same screen size, the higher the resolution ratio is, the finer and finer the display effect is. Therefore, the signal resolution of the display screen changes, and the voltage change of the pixel points in the display screen is influenced, the voltage of the pixel points in the display screen changes suddenly, so that the display screen is subjected to signal jitter, water ripple and black screen, and the like.
In one embodiment, step S120: the detecting whether the display mode of the display screen changes includes:
detecting whether the signal system of the display screen changes, and if so, determining that the display mode of the display screen changes.
In this embodiment, if the signal system of the display screen changes, the type of the video signal received by the data signal line of the display screen at this time changes, and the video signal generally mainly has three systems, namely, NTSC, PAL, and SECAM systems.
Referring to fig. 4, the present application also provides an apparatus for removing signal jitter, including:
the display device comprises a detection unit 10, a display unit and a display unit, wherein the detection unit is used for detecting the display state of a display screen and judging whether the display state of the display screen changes or not;
the voltage regulating unit 20 is configured to reduce the power supply voltage of the display screen to a preset power supply voltage if the display state of the display screen changes;
and the recovery unit 30 is configured to recover the power supply voltage of the display screen when the time length that the power supply voltage of the display screen is reduced to the preset power supply voltage reaches the preset time length.
In this embodiment, the detecting unit 10 monitors the display state of the display screen in real time, and determines whether the display state of the display screen changes according to the monitoring result, if the display state of the display screen changes, the voltage regulating unit 20 reduces the power supply voltage of the display screen to a preset power supply voltage, and the recovering unit 30 is configured to recover the power supply voltage of the display screen to the working voltage after keeping the power supply voltage of the display screen in the county for a preset time.
In one embodiment, the determining whether the display state of the display screen changes may compare the display state of the display screen at preset time intervals, and determine whether the display state changes, specifically, may obtain a driving signal of the display screen, and determine whether the display state changes according to the driving signal of the display screen.
In an embodiment, the determining whether the display state of the display screen changes may further be performed by comparing the display state parameter of the current display screen with a preset changed display state parameter, so as to determine whether the display state of the current display screen changes.
In this embodiment, the components of the liquid crystal panel in the display panel are composed of a liquid crystal molecular layer, a backlight, an optical filter, and the like. The most important liquid crystal molecular layer has the effect of enabling light to pass through or shield the liquid crystal molecules through deflection, two sides of the liquid crystal molecular layer in the liquid crystal panel are provided with electrode structures, voltage is added to the liquid crystal molecular layer after a power supply is switched on to enable the liquid crystal molecules to deflect and displace, and the light passes through or shields the liquid crystal molecules according to the moving arrangement direction of the liquid crystal molecules, so that the liquid crystal molecules can be affected by an electric field. The liquid crystal material is an organic compound, the main element of the liquid crystal molecules is carbon (C), the liquid crystal material has a slender rod shape, and if a voltage is applied to the rod-shaped liquid crystal molecules, an electric dipole moment phenomenon is generated, namely, a pair of special forms are formed between positive and negative voltages at a certain distance, and the effect influences and changes the size and direction of an electric field of the liquid crystal molecules. Due to the electric dipole moment phenomenon, when people add voltage to a liquid crystal molecular layer, two kinds of positive and negative electrodes are generated inside liquid crystal molecules, and then the external electric field size and direction are influenced, so that the advancing direction of the liquid crystal molecules is changed. After the power supply stops pressurizing, the positive charges of the liquid crystal molecules advance towards the direction of the negative charges, and the negative charges advance towards the positive charge end, so that the arrangement direction of the liquid crystal molecules is changed, and the liquid crystal molecules restore to the original state.
In one embodiment, the detection unit 10 comprises: a first detection subunit;
the first detection subunit is used for detecting whether the display screen receives a data display signal or not when the display screen does not display the signal; and if the display screen receives a data display signal, determining that the display state of the display screen changes.
In this embodiment, when the display screen does not display a signal, detecting whether the display screen receives a data display signal, if the display screen receives the data display signal, determining that the display state of the display screen changes, that is, determining whether the display screen has a condition of plugging and unplugging the data signal line by monitoring a signal in a data signal line of the display screen in real time, and if the data signal line does not receive the data display signal within a preset interval time and then is converted into receiving the data display signal, determining that the data signal line of the display screen is plugged, and acquiring the data display signal from a data signal source, thereby determining that the display state of the display screen changes. If the data signal line is changed from the received data display signal to the data display signal which cannot be acquired within the preset interval time, the data signal line of the display screen is judged to be loosened or pulled out, the display state of the display screen is determined to be changed at the moment, if the display state of the display screen is changed, the power supply voltage of the display screen is reduced to the preset power supply voltage, and signal jitter and water ripples generated by pulling and inserting the signal data line are eliminated.
In one embodiment, the detection unit 10 comprises: a second detection subunit;
the second detection subunit is configured to detect whether a display mode of the display screen changes, and determine that a display state of the display screen changes if the display mode of the display screen changes.
In this embodiment, the display mode may include a resolution and a color depth of the screen, and when the display mode of the display screen changes, a voltage across liquid crystal molecules in the display screen may suddenly change, thereby causing an abnormal display image, so that it is possible to prepare to determine whether the display state of the display screen changes by detecting whether the display mode of the display screen changes.
In an embodiment, the second detecting subunit may further detect whether a signal format of the display screen changes, and if the signal format of the display screen changes, determine that the display mode of the display screen changes.
In this embodiment, if the signal system of the display screen changes, the type of the video signal received by the data signal line of the display screen at this time changes, and the video signal generally mainly has three systems, namely, NTSC, PAL, and SECAM systems.
The present application further provides a display terminal comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the method according to any one of the above when executing the computer program.
In the embodiments of the present Application, the Processor may be a Central Processing Unit (CPU), and the Processor may also be other general-purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, and the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory may include both read-only memory and random access memory, and provides instructions and data to the processor. Some or all of the memory may also include non-volatile random access memory. For example, the memory may also store device type information.
An embodiment of the present application also provides a readable storage medium, which stores a computer program, which when executed by a processor implements the steps of the method as described in any one of the above. The readable storage medium may be a memory storing a computer program that is executable on the processor, for example, the computer program is a program of a method of removing signal jitter. The processor implements the steps in the above-described method embodiments of removing signal jitter when executing the computer program. Alternatively, the processor implements the functions of the modules/units in the above device embodiments when executing the computer program.
The computer program may be partitioned into one or more modules/units that are stored in the memory and executed by the processor to accomplish the present application. The one or more modules/units may be a series of computer program instruction segments capable of performing certain functions, which are used to describe the execution of the computer program in the terminal for removing signal jitter.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/terminal and method may be implemented in other ways. For example, the above-described apparatus/terminal embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The present application also provides a readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, performs the steps of the method as described in any one of the above.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow in the method of the embodiments described above may be implemented by a computer program, which may be stored in a readable storage medium and used by a processor to implement the steps of the embodiments of the methods described above. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The embodiment of the application provides a method, a device, a terminal and a readable storage medium for eliminating signal jitter, which are used for judging whether the display state of a display screen changes or not by detecting the display state of the display screen; if the display state of the display screen changes, reducing the power supply voltage of the display screen to a preset power supply voltage; when the power supply voltage of the display screen is reduced to the preset power supply voltage, the time length reaches the preset time length, the power supply voltage of the display screen is recovered, and therefore the problem that when a user pulls out and inserts a signal line or adjusts the display state of the display screen, water ripples or signal jitter often occur, and user experience is greatly influenced is solved.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (8)
1. A method for removing signal jitter, comprising:
detecting the display state of a display screen and judging whether the display state of the display screen changes or not;
if the display state of the display screen changes, reducing the power supply voltage of the display screen to a preset power supply voltage;
when the time length of the power supply voltage of the display screen is reduced to the preset time length, restoring the power supply voltage of the display screen;
the display state of the display screen is detected, and whether the display state of the display screen changes or not is judged, including:
detecting whether the display mode of the display screen changes or not, and if the display mode of the display screen changes, determining that the display state of the display screen changes, wherein the display mode comprises the resolution and the color depth of a screen.
2. The method of claim 1, wherein the detecting the display state of the display screen and determining whether the display state of the display screen changes comprises:
when the display screen does not display signals, detecting whether the display screen receives data display signals;
and if the display screen receives a data display signal, determining that the display state of the display screen changes.
3. The method of claim 1, wherein the detecting whether the display mode of the display screen changes comprises:
and detecting whether the signal resolution of the display screen changes or not, and if so, determining that the display mode of the display screen changes.
4. The method of claim 1 or 3, wherein the detecting whether the display mode of the display screen changes comprises:
detecting whether the signal system of the display screen changes, and if so, determining that the display mode of the display screen changes.
5. An apparatus for removing jitter from a signal, comprising:
the detection unit is used for detecting the display state of the display screen and judging whether the display state of the display screen changes or not;
the voltage regulating unit is used for reducing the power supply voltage of the display screen to a preset power supply voltage if the display state of the display screen changes;
the recovery unit is used for recovering the power supply voltage of the display screen when the time length of the power supply voltage of the display screen reduced to the preset power supply voltage reaches the preset time length;
the detection unit includes: a second detection subunit;
the second detection subunit is configured to detect whether a display mode of the display screen changes, and determine that a display state of the display screen changes if the display mode of the display screen changes, where the display mode includes a resolution and a color depth of a screen.
6. The apparatus of claim 5, wherein the detection unit comprises: a first detection subunit;
the first detection subunit is used for detecting whether the display screen receives a data display signal or not when the display screen does not display the signal; and if the display screen receives a data display signal, determining that the display state of the display screen changes.
7. A display terminal comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the method according to any one of claims 1 to 4 when executing the computer program.
8. A readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 4.
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| CN201910323665.9A CN110035245B (en) | 2019-04-22 | 2019-04-22 | Method, device, display terminal and readable storage medium for eliminating signal jitter |
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| CN201910323665.9A CN110035245B (en) | 2019-04-22 | 2019-04-22 | Method, device, display terminal and readable storage medium for eliminating signal jitter |
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