CN203455803U - Touch display device - Google Patents
Touch display device Download PDFInfo
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- CN203455803U CN203455803U CN201320598928.5U CN201320598928U CN203455803U CN 203455803 U CN203455803 U CN 203455803U CN 201320598928 U CN201320598928 U CN 201320598928U CN 203455803 U CN203455803 U CN 203455803U
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- 230000001360 synchronised effect Effects 0.000 claims description 36
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012905 input function Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Abstract
The embodiment of the utility model discloses a touch display device and relates to the field of display technologies, wherein the touch time of the touch display device can be prolonged; the touch display device comprises n rows of pixels; the n rows of pixels are divided into a plurality of display areas; n is a natural number which is greater than 1; the touch display device also comprises a display module and a touch module; the display module is used for sending a display signal to the ith row of pixels; i is greater than or equal to 1 and less than n; the touch module is used for sending a touch signal and touching one display area after sending the display signal to the ith row of pixels and before sending the display signal to the (i+1)th row of pixels through the display module.
Description
Technical field
The utility model relates to display technique field, relates in particular to a kind of touch control display apparatus.
Background technology
Digitizer has become people's life, has produced indispensable important element.Display device, as digital device video signal output terminal, for being directly passed to operator message, belongs to requisite device.Along with scientific and technical development, the function of display device is not limited only to receiving video signals and shows, but has control command input function, namely existing touch control display apparatus, by the direct input command of screen, even can replace the auxiliary device for inputting such as keyboard.
Inventor finds in realizing process of the present utility model, and in the prior art, touch control display apparatus only scans in the gap of two frame picture refreshing, detects and whether has the touching signals from user.But the detection mode of this touching signals makes for scanning the time less of touching signals, cause touch control display apparatus sometimes cannot effectively receive the touch-control order from user, reduced user's experience.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of touch control display apparatus, can extend the time that touch control display apparatus carries out touch-control.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
The utility model provides a kind of touch control display apparatus, and described touch control display apparatus comprises the capable pixel of n, and the capable pixel of n is divided into several viewing areas, and wherein, n is greater than 1 natural number, and described touch control display apparatus also comprises:
Display module, described display module sends display to the capable pixel of i, wherein, 1≤i < n;
Touch-control module, at described display module, after the capable pixel of i is sent display, before sending display to the capable pixel of i+1, described touch-control module sends touching signals, and touch-control is carried out in one of them viewing area.
Further, described touch control display apparatus, also comprises:
Synchronization control module, at described display module, after the capable pixel of i is sent display, before sending display to the capable pixel of i+1, described synchronization control module is sent synchronous control signal;
Described touch-control module sends touching signals according to described synchronous control signal, and touch-control is carried out in one of them viewing area.
Further, described touch control display apparatus, also comprises:
Trigger module, described trigger module sends trigger pip when a frame display frame starts to show, to trigger described display module and described synchronization control module.
Further, at described display module, after the capable pixel of i is sent high level display, before sending high level display to the capable pixel of i+1, described synchronization control module is sent low level synchronous control signal.
Further, arbitrary described viewing area receives at least 16 touching signals continuously.
In the technical solution of the utility model, the touch-control module of touch control display apparatus inserts touching signals between two row pixel displays, the touching signals and the display that are equivalent to touch control display apparatus are that send at interval, the time that can make touch control display apparatus carry out touch-control is dispersed in the displaying time of a frame display frame, be equivalent to extend the time that touch control display apparatus carries out touch-control, reduce touch control display apparatus and cannot effectively receive the possibility from user's touch-control order, guaranteed user's experience.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the driving method process flow diagram one of the touch control display apparatus in the utility model embodiment;
Fig. 2 is the driving method flowchart 2 of the touch control display apparatus in the utility model embodiment;
Fig. 3 is the driving sequential chart of the touch control display apparatus in the utility model embodiment;
Fig. 4 is the structural representation one of the touch control display apparatus in the utility model embodiment;
Fig. 5 is the structural representation two of the touch control display apparatus in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment mono-
The utility model embodiment provides a kind of driving method of touch control display apparatus, and described touch control display apparatus comprises the capable pixel of n, and the capable pixel of n is divided into several viewing areas, and wherein, n is greater than 1 natural number.As shown in Figure 1, the driving method of described touch control display apparatus comprises:
Step S101, at described touch control display apparatus after the capable pixel of i is sent display, before sending display to the capable pixel of i+1, described touch control display apparatus sends touching signals, and touch-control is carried out in one of them viewing area, wherein, 1≤i < n.
In the utility model embodiment, touch control display apparatus inserts touching signals between two row pixel displays, the touching signals and the display that are equivalent to touch control display apparatus are that send at interval, the time that can make touch control display apparatus carry out touch-control is dispersed in the displaying time of a frame display frame, be equivalent to extend the time that touch control display apparatus carries out touch-control, reduce touch control display apparatus and cannot effectively receive the possibility from user's touch-control order, guaranteed user's experience.
Further, this driving method also can prevent the normal operation of disturbing effect touch control display apparatus mutually between the touching signals of touch control display apparatus and display.
In order to guarantee that the touch-control of touch control display apparatus can normally carry out, the touch-control time of each viewing area can not be too short, and conventionally, the corresponding a plurality of touching signals in each viewing area, to guarantee that each viewing area can get user's touch control operation in time, effectively.
Further, as shown in Figure 2, described step S101 specifically comprises:
Step S1011, at described touch control display apparatus after the capable pixel of i is sent display, before sending display to the capable pixel of i+1, described touch control display apparatus sends synchronous control signal.
Step S1012, described touch control display apparatus send touching signals according to described synchronous control signal, and touch-control is carried out in one of them viewing area.
Concrete, when synchronous control signal arrives, described touch control display apparatus sends touching signals, and touch-control is carried out in some viewing areas; Synchronous control signal suspends while sending, and touch control display apparatus also suspends and sends touching signals, equates the frequency of touching signals and synchronous control signal and effective time.
When a frame display frame starts to show, described touch control display apparatus also sends trigger pip, to trigger described display and described synchronous control signal, make touch control display apparatus normally output display signal and synchronous control signal, thereby normally show and touch-control.
Concrete, in the prior art, when a frame display frame starts to show, the trigger pip that touch control display apparatus sends is only for indicating the unlatching of the display of touch control display apparatus, after meaning that trigger pip is sent, the display that touch control display apparatus sends is at first corresponding the first row pixel, sequentially send afterwards corresponding the second row pixel, the third line pixel ..., last column pixel display, until every one-row pixels of touch control display apparatus all receives corresponding display, i.e. a frame display frame of touch control display apparatus has shown.
And in the utility model embodiment, when the high level of trigger pip occurs, not only mean that a frame display frame starts to have shown, also triggering synchronous control signal is sent a high level simultaneously, now synchronous control signal be take trigger pip as basis, the touch-control action of touch control display apparatus is synchronizeed to contraposition with display action, can eliminate synchronous error like this, touch-control is moved and display action can hocket.
Concrete, when first rising edge of each synchronous control signal arrives, touch control display apparatus carries out the calibration between a touch-control action and display action, mean, corresponding first viewing area of synchronous control signal of sending at first after trigger pip finishes, touch control display apparatus sends synchronous control signal to each viewing area successively afterwards.
Concrete, the driving method of touch control display apparatus is described with the sequential chart shown in Fig. 3.
When a frame display frame starts to show, touch control display apparatus sends a trigger pip STV, this trigger pip is when triggering display, the appearance of first high level of triggering synchronous control signal, the start time of first high level of synchronous control signal, to continue duration consistent with trigger pip, facilitates touch control display apparatus that display action and touch-control are moved and carry out synchronous contraposition.
As shown in Figure 3, the waveform of display and the waveform of synchronous control signal are just the same, in order to prevent the normal operation of the mutual disturbing effect touch control display apparatus of touching signals and display, can by control display and touching signals institute respectively the waveform of the synchronous control signal of correspondence realize, be the waveform of synchronous control signal while changing, touch control display apparatus carries out the switching of touching signals and display.
In the utility model embodiment, what the high level of synchronous control signal was corresponding is display, and the high level of synchronous control signal is consistent with display; Can make touching signals is that synchronous control signal is effective while being low level, at described display module after the capable pixel of i is sent high level display, before sending high level display to the capable pixel of i+1, described touch control display apparatus sends low level synchronous control signal, the effective time of display and touching signals is complementary, the time that can guarantee thus that touch control display apparatus shows and carry out touch-control is each interval, prevent that display is interfered, affect the display effect of touch control display apparatus.
It should be noted that, while starting to show due to a frame display frame, trigger pip arrives, synchronous control signal sends a high level signal simultaneously, this high level signal is identical with the duration of trigger pip, but its duration is much larger than the high level of the synchronous control signal of remaining corresponding display.In order to guarantee that touching signals and display can alternately send, touch control display apparatus can judge whether the duration of the high level of synchronous control signal equate substantially with Preset Time, the duration that this Preset Time is each display.When the duration of the high level of synchronous control signal equates substantially with Preset Time, illustrate that now touch control display apparatus has just been exported a display, touch control display apparatus can be exported a touching signals; Otherwise, illustrating that touch control display apparatus fault or this high level are the high level that carries out contraposition with trigger pip, touch control display apparatus is not exported touching signals.
It should be noted that, in the prior art, touch control display apparatus normally utilizes continuous touching signals to obtain user's touch control operation in a certain specific continuous time in section, thereby but the touch control operation that touch control display apparatus normally obtains user by the mode of sampling feeds back accordingly, sampling refers to the continuous quantity of time domain or spatial domain to change into the process of discrete magnitude, when the number of sample is abundant, touch control display apparatus can accurately detect user's touch control operation.
And in the utility model embodiment, between every two displays, insert a touching signals, this means, touching signals is discrete signal one by one, and each touching signals, for touch control display apparatus, is similar to a sample, when touching signals corresponding to each viewing area is abundant, be the number of sample when abundant, touch control display apparatus can like the prior art, can accurately detect user's touch control operation; Or touch control display apparatus also can be collected a viewing area feedack in section sometime, combine, and becomes a continuous signal, then this signal is carried out to corresponding Treatment Analysis.
It should be noted that, what the touching signals 1 in Fig. 3 represented is the touching signals of distributing to first viewing area, known, what touching signals 2 represented is the touching signals of distributing to second viewing area, and what touching signals x represented is the touching signals of distributing to x viewing area.
Concrete, take the touch control display apparatus of 1280*720 resolution as example describes, when each frame display frame is shown, touch control display apparatus need to be lined by line scan to 720 pixel columns, this means 720 displays of touch control display apparatus output; Owing to exporting a touching signals between two displays, this means that touch control display apparatus will export 720 touching signals.Suppose that now touch control display apparatus comprises 9 viewing areas, can give each in 9 viewing areas by these 720 touching signals uniform distributions, mean that each viewing area can obtain 80 touching signals altogether, this touching signals is carried out to reasonable distribution, change the number of the each touching signals obtaining continuously in each viewing area, can change the report point rate of touch control display apparatus.For example, 40 touching signals of the each acquisition continuously in each viewing area, touch control display apparatus sends the touching signals of continuous 40 next viewing areas of correspondence afterwards, until each viewing area is sent completely, now, this frame display frame does not also complete demonstration, therefore, touch control display apparatus from first viewing area, sends continuous 40 touching signals again successively to each viewing area, until last viewing area, a now frame display frame completes demonstration just.Known, in the process that each frame display frame shows, each viewing area of touch control display apparatus completes report point twice, and obviously, the report point rate of touch control display apparatus is the twice of display frequency, means, if display frequency is 60Hz, report point rate is exactly 120Hz.
The number of the touching signals that each viewing area obtains each time if reduce, can increase the report point rate of touch control display apparatus, for example, 32 touching signals of the each acquisition continuously in each viewing area, now the report of touch control display apparatus point rate is four times of display frequency, mean, if display frequency is 60Hz, report point rate is exactly 240Hz, compare with 60Hz common in prior art or the report point rate of 120Hz, the report point rate of this touch control display apparatus is greatly improved, reduce touch control display apparatus and cannot effectively detect and obtain the possibility of user's touch-control order, and improved the mutual fluency between touch control display apparatus and user, improved user's experience.
It should be noted that, in the utility model embodiment, the number of the each touching signals obtaining continuously in each viewing area can arrange according to actual conditions, but, should guarantee that arbitrary described viewing area receives at least 16 touching signals continuously, so can guarantee that touch control display apparatus can obtain user's touch control operation exactly.
Wherein, if this touch control display apparatus once only scans one-row pixels, the display in the utility model embodiment is that grid line drives signal; If this touch control display apparatus scans multirow pixel simultaneously, the display in the utility model embodiment is for carrying out the charging signals of correct charging to each row pixel.
Further, the utility model embodiment also provides a kind of touch control display apparatus that utilizes above-mentioned driving method to drive, described touch control display apparatus comprises the capable pixel of n, the capable pixel of n is divided into several viewing areas, wherein, n is greater than 1 natural number, and as shown in Figure 4, described touch control display apparatus also comprises:
Display module, described display module sends display to the capable pixel of i, wherein, 1≤i < n;
Touch-control module, at described display module, after the capable pixel of i is sent display, before sending display to the capable pixel of i+1, described touch-control module sends touching signals, and touch-control is carried out in one of them viewing area.
In the technical solution of the utility model, the touch-control module of touch control display apparatus inserts touching signals between two row pixel displays, the touching signals and the display that are equivalent to touch control display apparatus are that send at interval, the time that can make touch control display apparatus carry out touch-control is dispersed in the displaying time of a frame display frame, be equivalent to extend the time that touch control display apparatus carries out touch-control, reduce touch control display apparatus and cannot effectively receive the possibility from user's touch-control order, guaranteed user's experience.
Further, as shown in Figure 5, described touch control display apparatus also comprises:
Synchronization control module, at described display module, after the capable pixel of i is sent display, before sending display to the capable pixel of i+1, described synchronization control module is sent synchronous control signal.
Concrete, described touch-control module sends touching signals according to described synchronous control signal, and touch-control is carried out in one of them viewing area.
Described touch control display apparatus also comprises trigger module, and described trigger module sends trigger pip when a frame display frame starts to show, to open described display module and described synchronization control module.
Further, from Fig. 3 and description above, at described display module, after the capable pixel of i is sent high level display, before sending high level display to the capable pixel of i+1, described synchronization control module is sent low level synchronous control signal.
In the utility model embodiment, arbitrary described viewing area receives at least 16 touching signals continuously.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (5)
1. a touch control display apparatus, is characterized in that, described touch control display apparatus comprises the capable pixel of n, and the capable pixel of n is divided into several viewing areas, and wherein, n is greater than 1 natural number, and described touch control display apparatus also comprises:
Display module, described display module sends display to the capable pixel of i, wherein, 1≤i < n;
Touch-control module, at described display module, after the capable pixel of i is sent display, before sending display to the capable pixel of i+1, described touch-control module sends touching signals, and touch-control is carried out in one of them viewing area.
2. touch control display apparatus according to claim 1, is characterized in that, also comprises:
Synchronization control module, at described display module, after the capable pixel of i is sent display, before sending display to the capable pixel of i+1, described synchronization control module is sent synchronous control signal;
Described touch-control module sends touching signals according to described synchronous control signal, and touch-control is carried out in one of them viewing area.
3. touch control display apparatus according to claim 2, is characterized in that, also comprises:
Trigger module, described trigger module sends trigger pip when a frame display frame starts to show, to trigger described display module and described synchronization control module.
4. touch control display apparatus according to claim 2, is characterized in that,
At described display module, after the capable pixel of i is sent high level display, before sending high level display to the capable pixel of i+1, described synchronization control module is sent low level synchronous control signal.
5. touch control display apparatus according to claim 1, is characterized in that,
Arbitrary described viewing area receives at least 16 touching signals continuously.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320598928.5U CN203455803U (en) | 2013-09-26 | 2013-09-26 | Touch display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320598928.5U CN203455803U (en) | 2013-09-26 | 2013-09-26 | Touch display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103488342A (en) * | 2013-09-26 | 2014-01-01 | 北京京东方光电科技有限公司 | Touch display device and drive method thereof |
| WO2016029533A1 (en) * | 2014-08-29 | 2016-03-03 | 京东方科技集团股份有限公司 | Display device, electronic device and driving method |
| CN108153454A (en) * | 2017-12-22 | 2018-06-12 | 奇酷互联网络科技（深圳）有限公司 | Multiple point touching switching method, device, storage medium and terminal device |
-
2013
- 2013-09-26 CN CN201320598928.5U patent/CN203455803U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103488342A (en) * | 2013-09-26 | 2014-01-01 | 北京京东方光电科技有限公司 | Touch display device and drive method thereof |
| WO2016029533A1 (en) * | 2014-08-29 | 2016-03-03 | 京东方科技集团股份有限公司 | Display device, electronic device and driving method |
| CN108153454A (en) * | 2017-12-22 | 2018-06-12 | 奇酷互联网络科技（深圳）有限公司 | Multiple point touching switching method, device, storage medium and terminal device |
| CN108153454B (en) * | 2017-12-22 | 2021-03-30 | 奇酷互联网络科技（深圳）有限公司 | Multi-touch switching method and device, storage medium and terminal equipment |
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Granted publication date: 20140226 |