CN111831160A - Control method of display screen, display screen controller and touch display device - Google Patents
Control method of display screen, display screen controller and touch display device Download PDFInfo
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- CN111831160A CN111831160A CN202010693856.7A CN202010693856A CN111831160A CN 111831160 A CN111831160 A CN 111831160A CN 202010693856 A CN202010693856 A CN 202010693856A CN 111831160 A CN111831160 A CN 111831160A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
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Abstract
The application provides a control method of a display screen, a display screen controller and a touch display device. The method comprises the following steps: acquiring touch position information; and controlling a display process of driving the display screen from an initial display pixel row, wherein the initial display pixel row is in a display area corresponding to the touched position information. In the control method, the touch position information of the touch screen is acquired, the display process of driving the display screen can be controlled according to the touch position information, a corresponding area can be obtained according to the touch position information, the initial display pixel row is determined according to the area, and the driving display is controlled to start from the initial display pixel row. The display is driven from the area where the touched position is located, and the display is not driven from the first pixel row of the display screen, so that the display delay time of the display screen is greatly shortened, and the problem that the displayed handwriting content and the actual writing track have long delay in the prior art is solved.
Description
Technical Field
The present application relates to the field of display, and in particular, to a control method of a display screen, a display screen controller, a touch display device, a computer-readable storage medium, and a processor.
Background
The display touch equipment has the advantages that in the normal writing and using process, due to the touch signal processing, transmission link delay, line-by-line scanning of a display screen and other factors, delay exists between displayed handwriting content and an actual writing track, the writing authenticity cannot be really perceived, and the product using experience is greatly influenced.
Taking 3840 × 2160 resolution and 60Hz refresh rate display screen as an example, when the actual writing position is 3840 lines, the handwriting can be displayed only by scanning the display screen from the first line to the 3840 lines line by line for 16.67ms, the touch delay caused by the display end reaches 16.67ms, and the delay between the actually displayed handwriting content and the actual writing track is still more than 16.67 ms.
The above information disclosed in this background section is only for enhancement of understanding of the background of the technology described herein and, therefore, certain information may be included in the background that does not form the prior art that is already known in this country to a person of ordinary skill in the art.
Disclosure of Invention
The present application mainly aims to provide a control method of a display screen, a display screen controller, a touch display device, a computer readable storage medium and a processor, so as to solve the problem in the prior art that a long time delay exists between displayed handwriting content and an actual writing track.
According to an aspect of an embodiment of the present invention, there is provided a control method of a display screen, including: acquiring touch position information; and controlling a display process of driving the display screen from an initial display pixel row, wherein the initial display pixel row is in a display area corresponding to the touched position information.
Optionally, controlling a display process of driving the display screen from an initial display pixel row comprises: determining the initial display pixel row according to the touched position information; controlling a display process of driving the display screen starting from the initial display pixel row.
Optionally, determining the initial display pixel row according to the touched position information includes: determining all display pixel rows in a display area corresponding to the touched position information; and determining the display pixel row with the minimum sequence number in all the display pixel rows as the initial display pixel row.
Optionally, controlling a display process of driving a display screen from the initial display pixel row includes: and controlling to drive the display pixel lines in an interlaced mode from the initial display pixel line until all the display pixel lines are driven.
Optionally, before controlling a display process of driving the display screen from an initial display pixel row, the control method further includes: and acquiring display information, wherein the display information is generated according to the touched position information.
According to another aspect of the embodiments of the present invention, there is also provided a display screen controller, including: an acquisition unit configured to acquire position information of a touch; and the control unit is used for controlling the display process of driving the display screen from an initial display pixel row, wherein the initial display pixel row is in the display area corresponding to the touched position information.
According to still another aspect of the embodiments of the present invention, there is also provided a touch display device, including: the touch device is used for generating touch position information according to touch operation; the display screen controller is in communication connection with the touch equipment and is used for executing any one control method of the display screen; and the display screen is in communication connection with the display screen controller.
Optionally, the touch display device further includes: and the processor is in communication connection with the touch equipment and the display screen controller respectively, and is used for generating display information from the touched position information.
According to still another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium including a stored program, wherein the program executes any one of the control methods of a display screen.
According to another aspect of the embodiments of the present invention, there is also provided a processor, where the processor is configured to run a program, where the program executes any one of the control methods of the display screen when running.
In the embodiment of the present invention, the touch position information of the touch screen is obtained, so that the display process of driving the display screen can be controlled according to the touch position information, specifically, a corresponding area can be obtained according to the touch position information, an initial display pixel row is determined according to the area, and the driving display is controlled to start from the initial display pixel row. In the method, the display is driven from the area where the touched position is located, and the display is not driven from the first pixel row of the display screen, so that the display delay time of the display screen is greatly shortened to even 0ms, and the problem that the displayed handwriting content and the actual writing track have long delay in the prior art is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
fig. 1 shows a flow chart diagram of a control method of a display screen according to an embodiment of the application;
FIG. 2 shows a display of a display area corresponding to touched location information according to an embodiment of the present application
FIG. 3 shows a schematic diagram of a display screen controller according to an embodiment of the present application; and
fig. 4 shows a schematic structural diagram of a touch display device according to an embodiment of the present application.
Wherein the figures include the following reference numerals:
1. a display area corresponding to the touched position information; 2. a touch device; 3. a display screen controller; 4. a display screen; 5. a processor.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, 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 partial embodiments of the present application, but not all 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.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
As mentioned in the background, in order to solve the above problem, in the prior art, in which there is a long time delay between the displayed handwriting content and the actual writing track, in an exemplary embodiment of the present application, a control method of a display screen, a display screen controller, a touch display device, a computer readable storage medium and a processor are provided.
According to an embodiment of the present application, there is provided a control method of a display screen. Fig. 1 is a flowchart illustrating a control method of a display screen according to an embodiment of the present application. As shown in fig. 1, the method comprises the steps of:
step S101, acquiring touch position information;
and step S102, controlling a display process of driving the display screen from an initial display pixel row in a display area corresponding to the touched position information.
In the above scheme, the touch position information of the touch screen is acquired, and the display process of driving the display screen can be controlled according to the touch position information, specifically, a corresponding area can be obtained according to the touch position information, an initial display pixel row is determined according to the area, and the driving display is controlled to start from the initial display pixel row. In the method, the display is driven from the area where the touched position is located, and the display is not driven from the first pixel row of the display screen, so that the display delay time of the display screen is greatly shortened to even 0ms, and the problem that the displayed handwriting content and the actual writing track have long delay in the prior art is solved.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
It should be noted that the above-mentioned scheme of the present application may be applied to all touch display devices, such as a vehicle-mounted electronic device, a tablet computer, an interactive smart tablet, and the like, and those skilled in the art may apply the above-mentioned scheme to different touch display devices according to needs.
In one embodiment of the present application, controlling a display process of driving a display screen from an initial display pixel row includes: and determining the initial display pixel row according to the touched position information, and controlling the display process of driving the display screen from the initial display pixel row. This enables a more efficient control of the display process driving the display screen.
In order to more accurately display a predetermined pattern desired by a user when touching, in another embodiment of the present application, as shown in fig. 2, the determining the initial display pixel row according to the touched position information includes: and determining all display pixel rows in the display area 1 corresponding to the touched position information, and determining the display pixel row with the smallest serial number in all the display pixel rows as the initial display pixel row. The display pixel rows in the display area 1 corresponding to the touched position information are the 10 th row to the 13 th row, and the 10 th row with the smallest serial number in the display pixel rows is the 10 th row, so that the 10 th row is the initial display pixel row.
In another embodiment of the present application, controlling a display process of driving a display screen from the initial display pixel row includes: and controlling to drive the display pixel lines in an interlaced mode from the initial display pixel line until all the display pixel lines are driven. When the display pixel rows in the display area corresponding to the touched position information are the 10 th row to the 15 th row, the display pixel rows are driven in an interlaced mode, starting from the 10 th row of the initial display pixel row, then starting from the 12 th row, the 14 th row, the 16 th row and the 18 th row until all the even display pixel rows are driven, then driving the odd display pixel rows, and starting from the first row … the 11 th row, the 13 th row and the 15 th row until all the odd display pixel rows are driven.
In yet another embodiment of the present application, before controlling a display process of driving the display panel from an initial display pixel row, the control method further includes: the display information is generated based on position information of the touch, which is generated in response to a touch operation applied to the display screen. The display information is display content information such as a mouse or handwriting with a preset format. In the practical application process, the touch device can provide the touch position information (which can be a touch signal) to the processor in a USB format, the processor converts the touch signal into display contents such as a mouse or handwriting and the like according to the selection of a user scene and outputs the display contents to the display screen controller in a V-By-One format, and the display screen displays the corresponding contents under the control of the display screen controller. The touch equipment synchronously provides the touch signals to the display screen controller in a USB format, and the display screen controller determines corresponding touch position information according to the touch signals, namely, a display area which is operated by a user is obtained, and the display area is driven in advance to display so as to reduce operation delay.
The touch position information may be in a Universal Serial Bus (USB) format, and the display information may be in a digital interface standard (V-by-one, VBO) format developed for image transmission, and of course, the touch position information and the display information are not limited to the above format, and may also be in other formats, for example: for example, the touched position information may be in a Serial Interface (Serial Interface) format, and the display information may be in a High Definition Multimedia Interface (HDMI) format.
The embodiment of the present application further provides a display screen controller, and it should be noted that the display screen controller according to the embodiment of the present application may be used to execute the control method for a display screen according to the embodiment of the present application. The following describes a display screen controller provided in an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a display screen controller according to an embodiment of the present application. As shown in fig. 3, the apparatus includes:
a first acquisition unit 10 for acquiring touch position information;
and a control unit 20 for controlling a display process of driving the display screen from an initial display pixel row in a display area corresponding to the touched position information.
In the controller, the obtaining unit obtains touch position information of the touch screen, and the control unit controls a display process of driving the display screen according to the touch position information, specifically, a corresponding area can be obtained according to the touch position information, an initial display pixel row is determined according to the area, and the display is controlled to be driven from the initial display pixel row. In the controller, the display is driven from the area where the touched position is located, and the display is not driven from the first pixel row of the display screen, so that the display delay time of the display screen is greatly shortened to even 0ms, and the problem of long delay between the displayed handwriting content and the actual writing track in the prior art is solved.
It should be noted that the controller of the present application may be applied to all touch display devices, such as a vehicle-mounted electronic device, a tablet computer, an interactive smart tablet, and the like, and those skilled in the art may apply the controller to different touch display devices according to needs.
In an embodiment of the application, the control unit includes a determining module and a control module, the determining module is configured to determine the initial display pixel row according to the touched position information, and the control module is configured to control a display process of driving the display screen from the initial display pixel row. This enables a more efficient control of the display process driving the display screen.
In order to more accurately display a predetermined pattern desired by a user when the user touches the display area, in another embodiment of the present application, as shown in fig. 2, the determining module includes a first determining submodule and a second determining submodule, where the first determining submodule is configured to determine all display pixel rows in the display area 1 corresponding to the touched position information, and the second determining submodule is configured to determine the display pixel row with the smallest sequence number among all the display pixel rows as the initial display pixel row. The display pixel rows in the display area 1 corresponding to the touched position information are the 10 th row to the 13 th row, and the 10 th row with the smallest serial number in the display pixel rows is the 10 th row, so that the 10 th row is the initial display pixel row.
In yet another embodiment of the present application, the control module includes a control sub-module, and the control sub-module is configured to control to drive the display pixel lines in an interlaced manner from the initial display pixel line until all the display pixel lines are driven. When the display pixel rows in the display area corresponding to the touched position information are the 10 th row to the 15 th row, the display pixel rows are driven in an interlaced mode, starting from the 10 th row of the initial display pixel row, then starting from the 12 th row, the 14 th row, the 16 th row and the 18 th row until all the even display pixel rows are driven, then driving the odd display pixel rows, and starting from the first row … the 11 th row, the 13 th row and the 15 th row until all the odd display pixel rows are driven, so that the device can further relieve the delay.
In yet another embodiment of the present application, the controller further includes a second obtaining unit, where the second obtaining unit is configured to obtain display information before a display process of driving the display screen from an initial display pixel row is started, where the display information is generated according to the touched position information. The touched position information is generated in response to a touch operation applied to the display screen. The display information is display content information such as a mouse or handwriting with a preset format.
In the practical application process, the touch device can provide the touch position information (which can be a touch signal) to the processor in a USB format, the processor converts the touch signal into display contents such as a mouse or handwriting and the like according to the selection of a user scene and outputs the display contents to the display screen controller in a V-By-One format, and the display screen displays the corresponding contents under the control of the display screen controller. The touch equipment synchronously provides the touch signals to the display screen controller in a USB format, and the display screen controller determines corresponding touch position information according to the touch signals, namely, a display area which is operated by a user is obtained, and the display area is driven in advance to display so as to reduce operation delay.
The touch position information may be in a Universal Serial Bus (USB) format, and the display information may be in a digital interface standard (V-by-one, VBO) format developed for image transmission, and of course, the touch position information and the display information are not limited to the above format, and may also be in other formats, for example: for example, the touched position information may be in a Serial Interface (Serial Interface) format, and the display information may be in a High Definition Multimedia Interface (HDMI) format.
Specifically, in an embodiment of the present application, as shown in fig. 4, a touch display apparatus is provided, where the touch display apparatus includes a touch device 2, a display screen controller 3, and a display screen 4, the touch device 2 is configured to generate touch position information according to a touch operation, the display screen controller 3 is in communication connection with the touch device 2 and is configured to execute any one of the above display screen control methods, and the display screen 4 is in communication connection with the display screen controller 3.
In the above touch display device, the touch device in the touch display device is in communication connection with the display screen controller, the display screen is in communication connection with the display screen controller, the touch device transmits the generated touch position information to the display screen controller, the display screen controller executes any one of the above control methods, to control the display process of the display screen, and specifically, first, acquiring the touch position information of the touch screen, then, a corresponding area can be obtained according to the touched position information, an initial display pixel row is determined according to the area, and controls the display to be driven from the initial display pixel row, because the touch display device adopts the control method of the display screen, the display delay time of the display screen is greatly shortened, thereby alleviating the problem of the prior art that there is a long delay between the displayed handwriting content and the actual written trajectory.
In another embodiment of the present application, as shown in fig. 4, the touch display device further includes a processor 5, the processor 5 is in communication connection with the touch device 2 and the display screen controller 3, respectively, and the processor 5 is configured to generate display information from the touched position information. The touch position information generated by the touch device 2 is transmitted to the processor 5, the processor 5 generates display information according to the touch position information, and the processor 5 transmits the display information to the display screen controller 3.
The touch position information may be in a Universal Serial Bus (USB) format, and the display information may be in a digital interface standard (V-by-one, VBO) format developed for image transmission, and of course, the touch position information and the display information are not limited to the above format, and may also be in other formats, for example: for example, the touched position information may be in a Serial Interface (Serial Interface) format, and the display information may be in a High Definition Multimedia Interface (HDMI) format.
In order to make the technical solutions of the present application more clearly understood by those skilled in the art, the technical solutions and effects of the present application will be described below with reference to specific embodiments.
Example 1
In this embodiment, the control method of the display screen includes the following steps:
acquiring touch position information, as shown in fig. 2;
all display pixel rows can be determined according to the display area 1 corresponding to the touched position information, and the display pixel rows in the display area 1 corresponding to the touched position information are from the 10 th row to the 13 th row;
determining the display pixel row with the minimum sequence number in the display pixel rows as an initial display pixel row, wherein the display pixel row with the minimum sequence number is a 10 th row, and then the 10 th row is the initial display pixel row;
the display process of driving the display screen from the initial display pixel row, i.e. the display of the display screen from the 10 th row, is controlled.
The scheme can greatly shorten the display delay time of the display screen, thereby relieving the problem of longer delay between the displayed handwriting content and the actual writing track in the prior art.
Example 2
In this embodiment, the control method of the display screen includes the following steps:
acquiring touch position information, as shown in fig. 2;
all display pixel rows can be determined according to the display area 1 corresponding to the touched position information, and the display pixel rows in the display area 1 corresponding to the touched position information are from the 10 th row to the 13 th row;
determining the display pixel row with the minimum sequence number in the display pixel rows as an initial display pixel row, wherein the 10 th row is the initial display pixel row;
and controlling to drive the display pixel lines in an interlaced mode from the initial display pixel line, starting from the 10 th line of the initial display pixel line, then starting from the 12 th line, the 14 th line, the 16 th line and the 18 th line until all the even display pixel lines are driven, then driving the odd display pixel lines, and starting from the first line … the 11 th line, the 13 th line and the 15 th line until all the odd display pixel lines are driven, so that all the display pixel lines can be driven in an interlaced mode.
Taking the display screen with 3840 × 2160 resolution and 60Hz refresh rate as an example, the delay of the display process of driving the display screen can be greatly reduced from 16.67ms and even reduced to 0 ms.
The scheme can greatly shorten the display delay time of the display screen, and can further relieve the delay between the displayed handwriting content and the actual writing track.
The display screen controller comprises a processor and a memory, the first acquisition unit, the control unit and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more, and the delay between the displayed handwriting content and the actual writing track is relieved by adjusting the kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
An embodiment of the present invention provides a storage medium on which a program is stored, the program implementing the control method of the display screen described above when executed by a processor.
The embodiment of the invention provides a processor, which is used for running a program, wherein the control method of the display screen is executed when the program runs.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein when the processor executes the program, at least the following steps are realized:
step S101, acquiring touch position information;
and step S102, controlling a display process of driving the display screen from an initial display pixel row in a display area corresponding to the touched position information.
The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program of initializing at least the following method steps when executed on a data processing device:
step S101, acquiring touch position information;
and step S102, controlling a display process of driving the display screen from an initial display pixel row in a display area corresponding to the touched position information.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple 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, units or modules, and may be in an electrical 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 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 invention 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 integrated unit may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as a separate product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
1) the control method of the display screen obtains the touch position information of the touch screen, and can control the display process of driving the display screen according to the touch position information. In the method, the display is driven from the area where the touched position is located, and the display is not driven from the first pixel row of the display screen, so that the display delay time of the display screen is greatly shortened to even 0ms, and the problem that the displayed handwriting content and the actual writing track have long delay in the prior art is solved.
2) The display screen controller comprises an acquisition unit, a control unit and a display unit, wherein the acquisition unit acquires touch position information of a touch screen, the control unit controls a display process of driving the display screen according to the touch position information, specifically, a corresponding area can be obtained according to the touch position information, an initial display pixel row is determined according to the area, and the display is controlled to start driving display from the initial display pixel row. In the controller, the display is driven from the area where the touched position is located, and the display is not driven from the first pixel row of the display screen, so that the display delay time of the display screen is greatly shortened to even 0ms, and the problem of long delay between the displayed handwriting content and the actual writing track in the prior art is solved.
3) In the touch display device of the application, the touch equipment in the touch display device is in communication connection with the display screen controller, the display screen is in communication connection with the display screen controller, the touch equipment transmits the generated touch position information to the display screen controller, the display screen controller executes any one of the control methods, to control the display process of the display screen, and specifically, first, acquiring the touch position information of the touch screen, then, a corresponding area can be obtained according to the touched position information, an initial display pixel row is determined according to the area, and controls the display to be driven from the initial display pixel row, because the touch display device adopts the control method of the display screen, the display delay time of the display screen is greatly shortened, thereby alleviating the problem of the prior art that there is a long delay between the displayed handwriting content and the actual written trajectory.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A control method of a display screen is characterized by comprising the following steps:
acquiring touch position information;
and controlling a display process of driving the display screen from an initial display pixel row, wherein the initial display pixel row is in a display area corresponding to the touched position information.
2. The method of claim 1, wherein controlling the display process of driving the display screen from the initial row of display pixels comprises:
determining the initial display pixel row according to the touched position information;
controlling a display process of driving the display screen starting from the initial display pixel row.
3. The method of claim 2, wherein determining the initial display pixel row based on the touch location information comprises:
determining all display pixel rows in a display area corresponding to the touched position information;
and determining the display pixel row with the minimum sequence number in all the display pixel rows as the initial display pixel row.
4. The method of claim 2, wherein controlling the display process of driving the display screen from the initial row of display pixels comprises:
and controlling to drive the display pixel lines in an interlaced mode from the initial display pixel line until all the display pixel lines are driven.
5. The control method according to any one of claims 1 to 4, wherein before controlling a display process of driving the display screen from an initial display pixel row, the control method further comprises:
and acquiring display information, wherein the display information is generated according to the touched position information.
6. A display screen controller, the display screen controller comprising:
a first acquisition unit configured to acquire touched position information;
and the control unit is used for controlling the display process of driving the display screen from an initial display pixel row, wherein the initial display pixel row is in the display area corresponding to the touched position information.
7. A touch display device, comprising:
the touch device is used for generating touch position information according to touch operation;
a display screen controller, which is connected with the touch device in a communication way and is used for executing the control method of the display screen in any one of the claims 1 to 5;
and the display screen is in communication connection with the display screen controller.
8. The touch display device of claim 7, further comprising:
and the processor is in communication connection with the touch equipment and the display screen controller respectively, and is used for generating display information from the touched position information.
9. A computer-readable storage medium characterized by comprising a stored program, wherein the program executes the control method of the display screen according to any one of claims 1 to 5.
10. A processor, characterized in that the processor is configured to run a program, wherein the program is configured to execute the control method of the display screen according to any one of claims 1 to 5 when running.
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| CN202010693856.7A CN111831160A (en) | 2020-07-17 | 2020-07-17 | Control method of display screen, display screen controller and touch display device |
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| CN202010693856.7A CN111831160A (en) | 2020-07-17 | 2020-07-17 | Control method of display screen, display screen controller and touch display device |
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Cited By (1)
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| WO2024065252A1 (en) * | 2022-09-28 | 2024-04-04 | Boe Technology Group Co., Ltd. | Display apparatus, display method, and computer-program product |
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Application publication date: 20201027 |