CN113568527A - Multi-point touch point reporting method, touch panel and display device - Google Patents
Multi-point touch point reporting method, touch panel and display device Download PDFInfo
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- CN113568527A CN113568527A CN202110847900.XA CN202110847900A CN113568527A CN 113568527 A CN113568527 A CN 113568527A CN 202110847900 A CN202110847900 A CN 202110847900A CN 113568527 A CN113568527 A CN 113568527A
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- 238000010586 diagram Methods 0.000 description 18
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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
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
- G06F1/3215—Monitoring of peripheral devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3259—Power saving in cursor control device, e.g. mouse, joystick, trackball
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/048—Indexing scheme relating to G06F3/048
- G06F2203/04808—Several contacts: gestures triggering a specific function, e.g. scrolling, zooming, right-click, when the user establishes several contacts with the surface simultaneously; e.g. using several fingers or a combination of fingers and pen
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Abstract
The invention discloses a multi-point touch point reporting method, a touch panel and display equipment, wherein the method comprises the following steps: determining the number of touch points currently touched at the same time in the display screen; determining the frequency of cancelling touch reporting points according to the touch points and the current touch reporting rate; the touch point reporting rate is the frequency of reporting touch data corresponding to the touch points; and canceling the touch report points corresponding to the touch points according to the frequency.
Description
Technical Field
The present invention relates to the field of touch control, and in particular, to a method for reporting points by multi-point touch control, a touch panel and a display device.
Background
With the increasing demand of the market for touch control of the mobile phone screen, the touch control screen can support multi-point touch control with high report rate and a touch control chip with low power consumption, and the touch control screen will become a main development direction in the future.
However, in the touch screen, as the number of touch points increases, the data to be processed by the touch chip will increase, and if the high touch report rate is continuously maintained, the power consumption of the touch chip in the touch screen will be greatly increased.
At present, the method for solving the high power consumption in the multi-touch state mainly reduces the touch report rate of the touch screen in the multi-touch state, for example, the touch report rate in the single-touch state is 240Hz, the Baodian rate in the 3-touch state is reduced to 180Hz, and the touch report rate in the 10-touch state is reduced to 90Hz, so that the operation data of the touch chip can be reduced by reducing the frequency of the multi-touch report trigger, thereby achieving the goal of reducing the power consumption. However, the disadvantage of this method is that the sensitivity of the touch screen in the multi-touch state is greatly reduced.
Disclosure of Invention
The invention provides a multi-point touch point reporting method, a touch panel and a display device, which are used for solving the technical problems in the prior art.
In a first aspect, to solve the above technical problem, a technical solution of a multi-touch reporting method according to an embodiment of the present invention is as follows:
determining the number of touch points currently touched at the same time in the display screen;
determining the frequency of cancelling touch reporting points according to the touch points and the current touch reporting rate; the touch point reporting rate is the frequency of reporting touch data corresponding to the touch points;
and canceling the touch report points corresponding to the touch points according to the frequency.
One possible implementation method for determining the number of touch points currently touched simultaneously on a display screen includes:
acquiring a plurality of touch data in each touch cycle; wherein, one touch cycle corresponds to one touch report point;
determining a continuous area acted on by a touch body in the touch screen according to the positions of the touch data generated in the display screen;
and counting the number of the continuous areas, and determining the number as the number of touch points corresponding to the touch period.
One possible implementation manner, determining a frequency of canceling touch reporting according to the number of touch points and a current touch reporting rate, includes:
determining the frequency of continuous touch point reporting according to the touch point number and the touch point reporting rate;
and continuously touching the touch report point once according to the times, and stopping touching the touch report point once.
In a possible implementation manner, when the touch reporting rate is constant, the number of touch points is proportional to the frequency of touch reporting cancellation.
After canceling the touch report corresponding to the touch point number according to the frequency, a possible implementation further includes:
determining the current power consumption of a touch chip in the display screen;
judging whether the current power consumption is less than or equal to a power consumption threshold value; the power consumption threshold is used for representing the maximum power consumption expected to be reached by the touch control chip;
and if the current power consumption is less than or equal to the power consumption threshold, determining that the frequency of cancelling touch report points is reasonable.
After determining that the frequency of canceling touch newspaper points is reasonable, a possible implementation further includes:
evaluating whether the touch sensitivity of the display screen reaches a sensitivity threshold value under the frequency of canceling touch reporting points; the sensitivity threshold is used for representing the lowest touch sensitivity of the display screen;
if not, reducing the frequency of cancelling touch reporting points until the touch sensitivity reaches the sensitivity threshold, or the current power consumption reaches the power consumption threshold;
if so, the frequency of canceling the touch report point is kept unchanged.
One possible implementation manner, after determining whether the current power consumption is less than or equal to a power consumption threshold, further includes:
if the current power consumption is larger than the power consumption threshold, determining that the frequency of touch report point cancellation is not reasonable, and adjusting the frequency of touch report point cancellation until the power consumption of the touch chip reaches the power consumption threshold.
One possible implementation manner of adjusting the frequency of canceling touch newspaper points includes:
and increasing the frequency of cancelling touch report points.
In a second aspect, an embodiment of the present invention provides a touch panel, including:
the touch control circuit is used for generating a touch control signal corresponding to the touch control operation of a user;
and the touch chip is used for reading the touch signal, converting the touch signal into corresponding touch data, and reporting the touch data by adopting the method of the first aspect.
In a third aspect, an embodiment of the present invention further provides a display device, including the touch panel according to the first aspect.
Drawings
FIG. 1 is a schematic diagram illustrating touch hit rate of a 2-touch in the prior art;
FIG. 2 is a diagram illustrating a touch hit rate of a 5-touch in the prior art;
FIG. 3 is a diagram illustrating touch hit rate of a 2-touch in the prior art;
fig. 4 is a flowchart of a multi-touch reporting method according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a touch object applied to a continuous area in a touch screen according to an embodiment of the present invention;
FIG. 6 is a diagram illustrating a multi-touch report according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a touch panel according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention provide a multi-touch reporting method, a touch panel and a display device to solve the above technical problems in the prior art.
In order to better understand the technical solutions, the technical solutions of the present invention are described in detail below with reference to the drawings and the specific embodiments, and it should be understood that the specific features in the embodiments and examples of the present invention are detailed descriptions of the technical solutions of the present invention, and are not limitations of the technical solutions of the present invention, and the technical features in the embodiments and examples of the present invention may be combined with each other without conflict.
Referring to fig. 1 to 3, fig. 1 is a schematic diagram illustrating a touch hit rate of a 2-point touch in the prior art, fig. 2 is a schematic diagram illustrating a touch hit rate of a 5-point touch in the prior art, and fig. 3 is a schematic diagram illustrating a touch hit rate of a 2-point touch in the prior art.
The hit rate for the 2-point touch in fig. 1 is 145Hz (i.e., hit by sub-touch is performed every 6.873 ms), the hit rate for the 5-point touch in fig. 2 is 122Hz (i.e., hit by sub-touch is performed every 8.195 ms), the hit rate for the 10-point touch in fig. 3 is 89Hz (i.e., hit by sub-touch is performed every 11.24 ms), and the touch hit is performed, i.e., the process of scanning the touch circuit to read the corresponding touch signal and converting the touch signal into touch data is performed in the corresponding touch cycle.
As can be seen from fig. 1 to 3, as the number of touch points increases, the touch report rate decreases, and the problem caused thereby is the decrease of the touch sensitivity; if the touch point count is increased and the high touch point reporting rate is still maintained, the data to be processed is also increased, which causes the power consumption of the touch chip to be higher.
In order to solve the problems, the invention adopts the following technical scheme:
referring to fig. 4, an embodiment of the invention provides a method for multi-touch reporting, and the processing procedure of the method is as follows.
Step 401: and determining the number of touch points currently touched at the same time in the display screen.
The number of touch points currently touched at the same time in the display screen is determined directly by the device, the application or the working mode, or determined by the number of touch bodies detected at the same time. The touch body can be finger fingers, and one finger is a touch body; the touch body can also be a touch pen, and one touch pen is a touch body.
For example, if the games provided by the game machine are 2-point touch games, the game machine directly determines that the number of currently simultaneously touched touch points in the display screen is 5 points.
For another example, a mobile phone may provide a multi-touch function, but some applications in the mobile phone need to use multi-touch (e.g., game applications), some applications do not need to use multi-touch, and the number of touch points of the multi-touch required by different games is different, so that the number of touch points currently touched at the same time in the display screen may be determined by the working mode selected by the application or the application (different working modes correspond to different touch points). If the application 1 provides a game with 3-point touch, the user can determine that the number of currently simultaneously touched touch points in the display screen is 3 by using the application 1, and if the application 2 provides a game with 2-6-point touch, the user can enable the application 2 to provide the game with corresponding touch points by selecting a corresponding working mode.
For another example, some applications or devices may determine the number of touch points currently touched simultaneously on the display screen in real time by directly detecting the number of touch objects.
The number of touch points currently and simultaneously touched in the display screen is determined by detecting the number of touch bodies, and the method can be realized in the following ways:
acquiring a plurality of touch data in each touch cycle; wherein, one touch cycle corresponds to one touch report point; determining a continuous area acted on by a touch body in the touch screen according to the positions of the touch data generated in the display screen; and counting the number of the continuous areas, and determining the number as the number of touch points corresponding to the touch period.
Fig. 5 is a schematic diagram of a touch object acting on a continuous area in a touch screen according to an embodiment of the present invention.
For example, when a user plays a game on a display screen with 2 fingers (i.e., 2 touch objects), a touch chip in the display screen acquires a plurality of touch data in a current touch cycle, and determines a continuous area (indicated by a dotted line in fig. 5) where the touch objects act on the touch screen according to positions (pixel rows and columns) of the touch data generated in the display screen, and counts that the number of the continuous area is 2, thereby determining the number of touch points in the current touch cycle to be 2.
In the embodiment provided by the invention, the continuous area of the touch screen acted by the touch body is determined according to the positions of a plurality of touch data in the touch cycle generated in the touch screen, and then the touch points are determined according to the data volume of the continuous area, so that the touch points can be determined according to the actual situation, and the corresponding touch report rate is automatically selected to report the touch data.
After determining the number of touch points currently touched at the same time on the display screen, step 402 can be executed.
Step 402: determining the frequency of cancelling touch reporting points according to the touch points and the current touch reporting rate; the touch point reporting rate is the frequency of reporting touch data corresponding to the number of touch points.
If there is a corresponding quantity relationship among the number of touch points, the touch point reporting rate and the touch point reporting cancellation frequency, the touch point reporting cancellation frequency can be directly determined according to the quantity relationship.
For example, please refer to table 1, which shows a corresponding quantity relationship table among the number of touch points, the touch hit rate, and the touch hit cancellation frequency.
TABLE 1
In table 1, the frequency of canceling touch report points is represented by the ratio of the continuous report points to the canceling report points, if the frequency of canceling touch report points is zero, the touch report points do not need to be canceled, and if the frequency of canceling touch report points is 7:1, the frequency of canceling touch report points is 7 times per continuous touch report points, and the touch report points are canceled for 1 time.
If a quantity relation table similar to table 1 is preset, the frequency of touch report cancellation can be determined directly according to the current touch report rate and the number of touch points.
In a possible embodiment, the frequency of canceling touch reporting points is determined according to the number of touch points and the current touch reporting rate, and may also be implemented in the following manner:
determining the frequency of continuous touch point reporting according to the touch point number and the touch point reporting rate; and continuously touching the touch report point once according to the times, and stopping touching the touch report point once.
For example, if there is an operational relationship between the number of touch points and the touch hit rate and the number of times of performing continuous touch hit, the number of times of continuous touch hit (assumed to be 8) can be determined by calculating the number of touch points and the touch hit rate, and then one touch hit is stopped (i.e., one touch hit is cancelled) after 8 touch hits are performed continuously.
In one possible embodiment, when the touch hit rate is constant, the number of touch hits is proportional to the frequency of touch hit cancellation.
For example, the touch hit rate in the display screen is always 145Hz, when the number of touch hits is 2-point touch, the frequency of touch hit cancellation is 16:1, when the number of touch hits is 5-point touch, the frequency of touch hit cancellation is 8:1, and when the number of touch hits is 10-point touch, the frequency of touch hit cancellation is 4: 1.
In the embodiment provided by the invention, when the touch report rate is constant, the number of touch points is in direct proportion to the frequency of cancelling the touch report, so that the touch sensitivity is not reduced along with the increase of the number of touch points. Meanwhile, the number of touch points is in direct proportion to the frequency of touch point canceling, so that the more the number of touch points is, the greater the frequency of touch point canceling is, and the power consumption of the touch chip is reduced.
After determining the frequency of canceling touch hits, step 403 may be performed.
Step 403: and canceling touch report points corresponding to the touch points according to the frequency.
Fig. 6 is a schematic view of a multi-touch report according to an embodiment of the invention.
Assuming that the multi-touch is a 10-point touch, the touch hit rate is 145Hz, and the frequency of the corresponding touch hit cancellation is 3:1, the touch hit is cancelled every 3 times of continuous touch hits.
According to a possible implementation manner, after the touch report corresponding to the number of touch points is cancelled according to the frequency, whether the frequency of cancelling the touch report is reasonable can be determined by detecting the power consumption of the touch chip, and the method can be specifically realized by the following steps:
determining the current power consumption of a touch chip in the current display screen; judging whether the current power consumption is less than or equal to a power consumption threshold value; the power consumption threshold is used for representing the maximum power consumption expected to be reached by the touch chip; and if the current power consumption is less than or equal to the power consumption threshold, determining that the frequency of cancelling touch report points is reasonable.
For example, taking fig. 6 as an example, under 10-point touch and a touch hit rate of 145Hz, the frequency of using the touch hit cancellation is 3:1, the current power consumption of the touch chip in the display screen is detected (set to P), and it is assumed that the power consumption threshold is P1If P is less than or equal to P1Determining that the frequency of cancelling touch reporting points is reasonable, if P is>P1And determining that the frequency of canceling touch report points is unreasonable.
After determining that the frequency of canceling touch-control touch control is reasonable, can also be further evaluated to determine whether to cancel touch-control:
evaluating whether the touch sensitivity of the display screen reaches a sensitivity threshold value or not under the frequency of canceling touch reporting points; the sensitivity threshold is used for representing the lowest touch sensitivity of the display screen; if not, reducing the frequency of cancelling the touch report point until the touch sensitivity reaches a sensitivity threshold value or the current power consumption reaches a power consumption threshold value; if so, the frequency of canceling the touch report point is kept unchanged.
For example, under the condition of 10-point touch and the touch hit rate of 145Hz, the frequency of canceling touch hit is 3:1, and the frequency of canceling touch hit is reduced to 4:1 by evaluating that the touch sensitivity of the display screen does not reach the sensitivity threshold under the condition. And then, under the condition that the frequency of canceling touch reporting points is 4:1, the touch sensitivity of the display screen reaches a sensitivity threshold value, and then the frequency of canceling touch reporting points is used subsequently, wherein the frequency of canceling touch reporting points is 4: 1. If the touch sensitivity of the display screen still does not reach the sensitivity threshold value under the condition that the frequency of canceling the touch report point is evaluated to be 4:1, but the current power consumption is increased to the power consumption threshold value, the frequency of canceling the touch report point is used subsequently, and the frequency of canceling the touch report point is 4: 1.
After judging whether the current power consumption is smaller than or equal to the power consumption threshold, if the current power consumption is larger than the power consumption threshold, determining that the frequency of canceling the touch report point is unreasonable, and adjusting the frequency of canceling the touch report point until the power consumption of the touch chip reaches the power consumption threshold.
The frequency of canceling touch report points may be increased, or multiple touch report points may be canceled continuously.
For example, under 5-point touch and a touch hit rate of 145Hz, the frequency of canceling touch hit is 6:1, the current power consumption of the touch chip in the display screen is detected (set as P), and the power consumption threshold is assumed to be P1If P is>P1If the frequency of canceling the touch report point is determined to be unreasonable, the frequency of canceling the touch report point is increased to 7: 1. And then, detecting the current power consumption of the touch chip in the display screen again, if the addition result is reasonable, not adjusting the frequency of canceling touch report points, and otherwise, continuing to adjust until the power consumption of the touch chip reaches a power consumption threshold value.
Of course, the above adjustment may also be adjusted to be one touch point report, and 2 or 3 touch point reports may be cancelled continuously.
Based on the same inventive concept, an embodiment of the present invention provides a touch panel, please refer to fig. 7, which includes:
a touch circuit 701 configured to generate a touch signal corresponding to a touch operation of a user;
the touch chip 702 is configured to read the touch signal and convert the touch signal into corresponding touch data, and report the touch data by using the multi-touch reporting method. The detailed implementation of the method for multi-touch of the touch chip 702 can be referred to the description of the method embodiment section, and the repeated points are not repeated.
The touch panel may be separated from the display panel, or may be located inside the display panel and exist as a component of the display panel.
Based on the same inventive concept, an embodiment of the present invention provides a display device including the touch panel as described above.
The display device may be a liquid crystal display device, an OLED display device, may be a mobile phone, a tablet computer, or the like.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the invention may take the form of a computer program product embodied on one or more readable storage media (including, but not limited to, magnetic disk memory, CD-ROM, optical memory, etc.) having computer/processor-usable program code embodied in the medium.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These program instructions may also be stored in a readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer/processor implemented process such that the instructions which execute on the computer/processor or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.
Claims (10)
1. A multi-touch pointing method is characterized by comprising the following steps:
determining the number of touch points currently touched at the same time in the display screen;
determining the frequency of cancelling touch reporting points according to the touch points and the current touch reporting rate; the touch point reporting rate is the frequency of reporting touch data corresponding to the touch points;
and canceling the touch report points corresponding to the touch points according to the frequency.
2. The method of claim 1, wherein determining the number of touch points currently touched simultaneously on the display screen comprises:
acquiring a plurality of touch data in each touch cycle; wherein, one touch cycle corresponds to one touch report point;
determining a continuous area acted on by a touch body in the touch screen according to the positions of the touch data generated in the display screen;
and counting the number of the continuous areas, and determining the number as the number of touch points corresponding to the touch period.
3. The method of claim 1, wherein determining a frequency of touch pointing cancellation according to the number of touch points and a current touch pointing rate comprises:
determining the frequency of continuous touch point reporting according to the touch point number and the touch point reporting rate;
and continuously touching the touch report point once according to the times, and stopping touching the touch report point once.
4. The method of claim 3, wherein the number of touch points is proportional to a frequency of touch point cancellation when the touch point rate is constant.
5. The method of any one of claims 1-4, wherein after canceling the touch newspaper point corresponding to the touch point number according to the frequency, further comprising:
determining the current power consumption of a touch chip in the display screen;
judging whether the current power consumption is less than or equal to a power consumption threshold value; the power consumption threshold is used for representing the maximum power consumption expected to be reached by the touch control chip;
and if the current power consumption is less than or equal to the power consumption threshold, determining that the frequency of cancelling the touch report point is reasonable.
6. The method of claim 5, wherein determining that the frequency of canceling touch hits is reasonable further comprises:
evaluating whether the touch sensitivity of the display screen reaches a sensitivity threshold value under the frequency of canceling the touch report point; the sensitivity threshold is used for representing the lowest touch sensitivity of the display screen;
if not, reducing the frequency of cancelling touch reporting points until the touch sensitivity reaches the sensitivity threshold, or the current power consumption reaches the power consumption threshold;
if so, the frequency of canceling the touch report point is kept unchanged.
7. The method of claim 5, wherein after determining whether the current power consumption is less than or equal to a power consumption threshold, further comprising:
if the current power consumption is larger than the power consumption threshold, determining that the frequency of touch report point cancellation is unreasonable, and adjusting the frequency of touch report point cancellation until the power consumption of the touch chip reaches the power consumption threshold.
8. The method of claim 7, wherein adjusting the frequency of canceling touch hits comprises:
and increasing the frequency of cancelling touch report points.
9. A touch panel, comprising:
the touch control circuit is used for generating a touch control signal corresponding to the touch control operation of a user;
a touch chip, configured to read the touch signal and convert the touch signal into corresponding touch data, and report the touch data by using the method according to any one of claims 1 to 8.
10. A display device comprising the touch panel according to claim 9.
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| CN110703944A (en) * | 2019-09-29 | 2020-01-17 | Oppo广东移动通信有限公司 | Touch data processing method and device, terminal and storage medium |
| CN113093932A (en) * | 2020-01-08 | 2021-07-09 | 北京小米移动软件有限公司 | Touch detection processing method and device, terminal equipment and storage medium |
| CN111562861A (en) * | 2020-06-19 | 2020-08-21 | 武汉华星光电半导体显示技术有限公司 | Touch display panel, touch display device and touch driving method thereof |
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