CN105260055B - Circuit, touch screen and intelligent terminal are inserted into touch screen scanning - Google Patents
Circuit, touch screen and intelligent terminal are inserted into touch screen scanning Download PDFInfo
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- CN105260055B CN105260055B CN201510627388.2A CN201510627388A CN105260055B CN 105260055 B CN105260055 B CN 105260055B CN 201510627388 A CN201510627388 A CN 201510627388A CN 105260055 B CN105260055 B CN 105260055B
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Abstract
It is scanned the invention discloses a kind of touch screen and is inserted into circuit, touch screen and intelligent terminal.The circuit includes signal latch module,Show scan module,Phase inverter and touch-control scan module,The first input end of signal latch module inputs the display scanning signal of the last item scan line of j-th of scanning block,Second input terminal inputs the first clock signal,Output terminal connection shows the first input end of scan module,Show the second input terminal input second clock signal of scan module,Output terminal output shows scanning signal to drive first scan line of+1 scanning block of jth,The first input end of touch-control scan module inputs the first clock signal,One end input second clock signal of phase inverter,The other end connects the second input terminal of touch-control scan module,The output terminal output touch scanning signals of touch-control scan module,The common end output of signal latch module and display scan module shows scanning signal to drive the Article 2 scan line of+1 scanning block of jth.
Description
Technical field
The present invention relates to touch-control display fields more particularly to a kind of scanning of touch screen to be inserted into circuit, touch screen and intelligence
Terminal.
Background technology
With the development of intelligent terminal, the product (commonly referred to as touch screen) of display screen and touch screen integration is increasingly
It is welcome.Display and touch are realized on the screen at the same in order to realize, as shown in Figure 1, prior art generally use timesharing
The method of multiplexing in a frame, first completes the scanning of picture signal, then completes the scanning of touching signals.For example, a frame time is long
It is 16 milliseconds to spend, wherein, the first 12 milliseconds scannings for being used for picture signal, the latter 4 milliseconds scannings for being used for touching signals.But
At the beginning of the scanning of each touching signals, it is necessary to first obtain current capacitance signal, the judgement of touching signals below is all based on
This current capacitance signal.So under above-mentioned time-sharing multiplex mode, if current capacitance signal is by the shadow of environment
Ring, then behind the judgements of touching signals be all wrong.
Invention content
Technical problem to be solved of the embodiment of the present invention is, provides a kind of touch screen and intelligent terminal, can subtract
Few touching signals are protected from environmental.
It is scanned the present invention provides a kind of touch screen and is inserted into circuit, including：Signal latch module shows scan module, is anti-
Phase device and touch-control scan module, wherein, the first input end of the signal latch module is used to input j-th of scanning block most
The display scanning signal of latter scan line, the second input terminal of the signal latch module are used to input the first clock signal,
The first input end of the output terminal connection display scan module of the signal latch module, the of the display scan module
For inputting second clock signal, the output terminal of the display scan module is used to export the display scanning signal two input terminals
To drive first scan line of+1 scanning block of jth, the first input end of the touch-control scan module is for inputting described the
One clock signal, the input terminal of phase inverter is for inputting the second clock signal, described in the output terminal connection of the phase inverter
Second input terminal of touch-control scan module, the output terminal of the touch-control scan module are used to export touch scanning signals, the letter
The common end of number latch module and the display scan module is for exporting the display scanning signal to drive+1 scanning of jth
The Article 2 scan line of block, j are positive integer.
Optionally, first clock signal is enabled as low level, and the second clock signal is high level, then the signal
The display that latch module latches the last item scan line of j-th of scanning block under the action of first clock signal is swept
Signal is retouched, the display scan module is non-enabled under the action of the second clock signal, and the touch-control scan module is in institute
It states and enables under the action of second clock signal and export the touch scanning signals, then it is low electricity to enable the second clock signal
Flat, then the display scan module enables under the action of the second clock signal and exports the display scanning signal to drive
First scan line of+1 scanning block of dynamic jth, the touch-control scan module is non-under the action of the second clock signal to be made
Can, finally, first clock signal is enabled as high level, so as to be latched in signal latch mould display scanning letter in the block
Number output, to drive the Article 2 scan line of+1 scanning block of jth.
Optionally, multiple touch-control scan modules share first clock signal.
Optionally, multiple touch-control scan modules share the second clock signal.
The present invention also provides a kind of touch screen, including m scanning block, wherein ,+1 scanning of j-th of scanning block and jth
Include touch screen scanning between module and be inserted into circuit, the touch screen scanning is inserted into circuit and is included：Signal latch module, display are swept
Module, phase inverter and touch-control scan module are retouched, wherein, the first input end of the signal latch module is for j-th of input
The display scanning signal of the last item scan line of scanning block, the second input terminal of the signal latch module is for input first
Clock signal, the first input end of the output terminal connection display scan module of the signal latch module, the display are swept
The second input terminal of module is retouched for inputting second clock signal, the output terminal of the display scan module is described aobvious for exporting
Show scanning signal to drive first scan line of+1 scanning block of jth, the first input end of the touch-control scan module is used for
First clock signal is inputted, the input terminal of phase inverter is used to input the second clock signal, the output of the phase inverter
End connects the second input terminal of the touch-control scan module, and the output terminal of the touch-control scan module is believed for exporting touch-control scanning
Number, the common end of the signal latch module and the display scan module is for exporting the display scanning signal to drive the
The Article 2 scan line of j+1 scanning block, j are positive integer.
Optionally, first clock signal is enabled as low level, and the second clock signal is high level, then the signal
The display that latch module latches the last item scan line of j-th of scanning block under the action of first clock signal is swept
Signal is retouched, the display scan module is non-enabled under the action of the second clock signal, and the touch-control scan module is in institute
It states and enables under the action of second clock signal and export the touch scanning signals, then it is low electricity to enable the second clock signal
Flat, then the display scan module enables under the action of the second clock signal and exports the display scanning signal to drive
First scan line of+1 scanning block of dynamic jth, the touch-control scan module is non-under the action of the second clock signal to be made
Can, finally, first clock signal is enabled as high level, so as to be latched in signal latch mould display scanning letter in the block
Number output, to drive the Article 2 scan line of+1 scanning block of jth.
Optionally, multiple touch-control scan modules share first clock signal.
Optionally, multiple touch-control scan modules share the second clock signal.
The present invention also provides a kind of intelligent terminal, including touch screen such as described in any one of the above embodiments.
Circuit is inserted into touch screen scanning provided by the invention, after a upper scanning block is scanned, passes through signal latch
Module latches the display scanning signal of the last item scan line of j-th of scanning block, and starts touch-control scan module and swept
It retouches, after touch-control scan module is scanned, is then turned on display scan module output and shows scanning signal so that jth+1 to be driven to sweep
First scan line of block is retouched, hereafter, then the display scanning signal being latched in latch module is transferred to j-th scanning block
Article 2 scan line.By foregoing circuit, can a scanning block is shown it is scanned after, be inserted into touch screen scanning,
After touch screen is scanned, then display scanning is carried out to next scanning block, and so on, until all scanning blocks all scan through
Finish.It adopts with the aforedescribed process, touch screen can be divided into multiple scanning blocks and be scanned successively, and in the scanning of each scanning block
There is the sweep time of touching signals in time, so, there can be multiple independent touching signals in the sweep time of a frame
Sweep time.Even if the capacitance signal that the initial time of the sweep time of one of which touching signals measures is by environment
Influence, will not to the touching signals of the sweep time of other touching signals detect impact.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the time diagram of picture signal scanning and touching signals scanning in a frame in the prior art；
Fig. 2 is a kind of structure diagram of touch screen provided in an embodiment of the present invention；
Fig. 3 is that a kind of GOA grades of touch screen provided in an embodiment of the present invention conduct electricity the structure diagram on road；
Fig. 4 is the circuit diagram that circuit is inserted into a kind of touch screen scanning provided in an embodiment of the present invention；
Fig. 5 is the sequence diagram that a kind of touch screen provided in an embodiment of the present invention is successively scanned scanning block.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
It should be noted that the term used in embodiments of the present invention is only merely for the mesh of description specific embodiment
, it is not intended to limit the invention." the one of the embodiment of the present invention and singulative used in the attached claims
Kind ", " described " and "the" are also intended to including most forms, unless context clearly shows that other meanings.It is also understood that this
Term "and/or" used herein refers to and comprising one or more associated any or all possible group of list items purpose
It closes.
Referring to Fig.2, Fig. 2 is a kind of structure diagram of touch screen provided in an embodiment of the present invention.Present embodiment is touched
Control screen 100 includes：Circuit is inserted into the touch screen scanning that m independent scanning blocks 110 and m-1 are arranged between scanning block
120。
Also referring to Fig. 3, each scanning block 110 includes GOA (English：Gate Driver On Array) grade conducts electricity road
113rd, n scan line 115.The GOA grades of roads 113 that conduct electricity include n cascade GOA units 1131, and i-th in the GOA grades of roads 113 that conduct electricity
For grade GOA unit 1131 for charging to i-th scan line 115, i is positive integer.
Also referring to Fig. 4, touch screen scanning is inserted into circuit 120 and is included：Signal latch module 121, display scan module
122nd, phase inverter 123 and touch-control scan module 124, wherein, the first input end of signal latch module 121 is used to input jth
The display scanning signal of the last item scan line of a scanning block, the second input terminal of signal latch module 121 is for inputting the
One clock (English：Clock) signal, the output terminal connection of signal latch module 121 show the first input of scan module 122
End, the second input terminal of display scan module 122 for inputting second clock signal, use by the output terminal of display scan module 122
Scanning signal is shown in output to drive first scan line of+1 scanning block of jth, the first input of touch-control scan module 124
For inputting the first clock signal, one end of phase inverter 123 is used to input second clock signal, the other end of phase inverter 123 at end
The second input terminal of touch-control scan module 124 is connected, the output terminal of touch-control scan module 124 is used to export touch scanning signals,
Signal latch module 121 and the common end of display scan module 122 show scanning signal to+1 scanning block of jth for exporting
110 the 2nd GOA grades conduct electricity road 113 to drive the Article 2 scan line of+1 scanning block of jth.Wherein, 110 kinds of different scanning block
The first clock signal and second clock signal can be it is individual or be multiplexed.
When starting scanning, in first scanning block, the first input end on the GOA grades of roads 113 that conduct electricity is believed for inputting STV
Number, second input terminal on the GOA grades of roads 113 that conduct electricity is for the first clock signal of input.Under the cooperation of the first clock signal, the 1st
GOA grades in a scanning block 110 road 113 that conducts electricity controls and is sequentially completed first GOA unit 1131 to first scan line 115
Charging of n-th of GOA unit 1131 to nth bar scan line 115 is charged to, to complete the image scanning of the 1st scanning block 110.
After n-th of GOA unit 1131 in 1st scanning block 110 charges to nth bar scan line 115, the first clock signal is enabled to be
Low level, second clock signal are high level, then the 1st touch screen scanning is inserted into the signal latch module 121 of circuit 120 the
Be output to signal latch module 121 the of the last item scan line of the 1st scanning block is latched under the action of one clock signal
The display scanning signal of one input terminal.At this point, the 1st touch screen scanning is inserted into the display scan module 122 of circuit 120 second
Non- enabled under the action of clock signal, the 1st touch screen scanning is inserted into the touch-control scan module 124 of circuit 120 in second clock
It is enabled under the action of signal and exports touch scanning signals.Second clock signal is enabled again as low level, then the 1st touch screen scanning
The display scan module 122 for being inserted into circuit 120 enables under the action of second clock signal and exports display scanning signal to drive
First article of scan line of the 2nd scanning block is moved, the 1st touch screen scanning is inserted into the touch-control scan module 124 of circuit 120 second
It is non-enabled under the action of clock signal.Finally, the first clock signal is enabled to be swept for high level so as to which the 1st touch screen will be latched in
It is mono- to retouch second GOA that the display scanning signal being inserted into the signal latch module 121 of circuit 120 is exported to the 2nd scanning block
Member 1131 is with the Article 2 scan line of the 2nd scanning block of driving.Under the cooperation of the first clock signal, in the 2nd scanning block 110
GOA grades conduct electricity road 113 control be sequentially completed second GOA unit 1131 charging to n-th to Article 2 scan line 115
Charging of the GOA unit 1131 to nth bar scan line 115, to complete the scanning of the picture signal of the 2nd scanning block 110.2nd
After n-th of GOA unit 1131 in scanning block 110 charges to nth bar scan line 115, it is low electricity to enable the first clock signal
Flat, second clock signal is high level, then the 2nd touch screen scanning is inserted into the signal latch module 121 of circuit 120 at first
That the last item scan line of the 2nd scanning block is latched under the action of clock signal is output to the first defeated of signal latch module 121
Enter the display scanning signal at end.At this point, the 2nd touch screen scanning is inserted into the display scan module 122 of circuit 120 in second clock
Non- enabled under the action of signal, the 2nd touch screen scanning is inserted into the touch-control scan module 124 of circuit 120 in second clock signal
Under the action of enable and export touch scanning signals.Second clock signal is enabled again as low level, then the 2nd touch screen scanning is inserted into
The display scan module 122 of circuit 120 enables under the action of second clock signal and exports display scanning signal to drive the 3rd
First scan line of a scanning block, the 2nd touch screen scanning are inserted into the touch-control scan module 124 of circuit 120 in second clock
It is non-enabled under the action of signal.Finally, the first clock signal is enabled as high level, is inserted so as to be latched in the 2nd touch screen scanning
Enter the display scanning signal in the signal latch module 121 of circuit 120 to export to second GOA unit of the 3rd scanning block
1131 with the Article 2 scan line of the 3rd scanning block of driving.And so on, the scanning until completing m-th of scanning block.
Please refer to fig. 5, adopting with the aforedescribed process, touch screen 100 can be divided into multiple scanning blocks 110 and carried out successively
It scans, and has the sweep time of touching signals in the sweep time of each scanning block 110, so, in the scanning of a frame
Between in can have sweep times of multiple independent touching signals.For example, a frame time length is 16 milliseconds, 100 quilt of touch screen
It is divided into 4 scanning blocks 110 to be scanned, the sweep time of each scanning block 110 is 4 milliseconds.In the scanning of each scanning block 110
In time, first 3 milliseconds be show signal sweep time, latter 1 millisecond be touching signals sweep time.So in a frame
In time, there is the sweep time of 4 independent touching signals respectively.Due to there is multiple independent touch in the sweep time of a frame
The sweep time of signal is controlled, so, even if the capacitance that the initial time of the sweep time of one of which touching signals measures
Signal is influenced by environment, and the touching signals of the sweep time of other touching signals will not be detected and impacted.
It is understood that the sweep time of each scanning block 110 could be provided as equally, may be set to be and differing
Sample.Similarly, the sweep time of the picture signal in different scanning block 110 could be provided as the same, may be set to be and differs
Sample.The sweep time of touching signals in different scanning block 110 could be provided as equally, may be set to be different.
The present invention also provides a kind of intelligent terminal, including touch screen as shown in Figure 2, referring specifically to Fig. 2, Yi Jixiang
Close description, herein not reinflated description.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer read/write memory medium
In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
Above disclosed is only a kind of preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range one of ordinary skill in the art will appreciate that realizing all or part of flow of above-described embodiment, and is weighed according to the present invention
Profit requires made equivalent variations, still falls within and invents covered range.
Claims (9)
1. circuit is inserted into a kind of touch screen scanning, which is characterized in that including：Signal latch module, display scan module, phase inverter
And touch-control scan module, wherein, the first input end of the signal latch module for input j-th scanning block last
The display scanning signal of scan line, the second input terminal of the signal latch module are described for inputting the first clock signal
The first input end of the output terminal connection display scan module of signal latch module, the second of the display scan module are defeated
Enter end for inputting second clock signal, the output terminal of the display scan module is used to export the display scanning signal to drive
First scan line of+1 scanning block of dynamic jth, the first input end of the touch-control scan module is for when inputting described first
Clock signal, for the input terminal of phase inverter for inputting the second clock signal, the output terminal of the phase inverter connects the touch-control
Second input terminal of scan module, the output terminal of the touch-control scan module are used to export touch scanning signals, the signal lock
The common end of storing module and the display scan module is used to export the display scanning signal to drive+1 scanning block of jth
Article 2 scan line, j are positive integer.
2. circuit according to claim 1, which is characterized in that first clock signal is enabled as low level, described second
Clock signal is high level, then the signal latch module latches described j-th under the action of first clock signal and sweeps
The display scanning signal of the last item scan line of block is retouched, the display scan module is under the action of the second clock signal
Non- enabled, the touch-control scan module enables under the action of the second clock signal and exports the touch scanning signals,
The second clock signal is enabled again as low level, then the display scan module enables under the action of the second clock signal
And the display scanning signal is exported to drive first scan line of+1 scanning block of jth, the touch-control scan module is in institute
It states non-enabled under the action of second clock signal, finally, enables first clock signal as high level, it is described so as to be latched in
Signal latch mould display scanning signal output in the block, to drive the Article 2 scan line of+1 scanning block of jth.
3. circuit according to claim 1, which is characterized in that multiple touch-control scan modules share the first clock letter
Number.
4. circuit according to claim 1, which is characterized in that multiple touch-control scan modules share the second clock letter
Number.
5. a kind of touch screen, which is characterized in that including m scanning block, wherein ,+1 scan module of j-th of scanning block and jth it
Between include touch screen scanning and be inserted into circuit, touch screen scanning is inserted into circuit and is included：Signal latch module, display scanning mould
Block, phase inverter and touch-control scan module, wherein, the first input end of the signal latch module scans for inputting j-th
The display scanning signal of the last item scan line of block, the second input terminal of the signal latch module is for the first clock of input
Signal, the first input end of the output terminal connection display scan module of the signal latch module, the display scanning mould
Second input terminal of block for inputting second clock signal, for exporting the display sweep by the output terminal of the display scan module
Signal is retouched to drive first scan line of+1 scanning block of jth, the first input end of the touch-control scan module is used to input
First clock signal, for inputting the second clock signal, the output terminal of the phase inverter connects the input terminal of phase inverter
The second input terminal of the touch-control scan module is connect, the output terminal of the touch-control scan module is used to export touch scanning signals,
The signal latch module and the common end of the display scan module are used to export the display scanning signal to drive jth+1
The Article 2 scan line of a scanning block, j are positive integer.
6. touch screen according to claim 5, which is characterized in that first clock signal is enabled as low level, described the
Two clock signals are high level, then the signal latch module latches described j-th under the action of first clock signal
The display scanning signal of the last item scan line of scanning block, the display scan module is in the effect of the second clock signal
Under it is non-enabled, the touch-control scan module enables under the action of the second clock signal and exports the touch scanning signals
To drive first scan line of+1 scanning block of jth, then enable the second clock signal as low level, then the display scanning
Module enables under the action of the second clock signal and exports the display scanning signal, and the touch-control scan module is in institute
It states non-enabled under the action of second clock signal, finally, enables first clock signal as high level, it is described so as to be latched in
Signal latch mould display scanning signal output in the block, to drive the Article 2 scan line of+1 scanning block of jth.
7. touch screen according to claim 5, which is characterized in that multiple touch-control scan modules share the first clock letter
Number.
8. touch screen according to claim 5, which is characterized in that multiple touch-control scan modules share the second clock letter
Number.
9. a kind of intelligent terminal, which is characterized in that including touching as described in claim 5 to claim 8 any claim
Control screen.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510627388.2A CN105260055B (en) | 2015-09-28 | 2015-09-28 | Circuit, touch screen and intelligent terminal are inserted into touch screen scanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510627388.2A CN105260055B (en) | 2015-09-28 | 2015-09-28 | Circuit, touch screen and intelligent terminal are inserted into touch screen scanning |
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| Publication Number | Publication Date |
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| CN105260055A CN105260055A (en) | 2016-01-20 |
| CN105260055B true CN105260055B (en) | 2018-07-03 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104699319A (en) * | 2015-04-01 | 2015-06-10 | 上海天马微电子有限公司 | Touch display panel and driving method thereof |
| EP2887344A1 (en) * | 2013-08-26 | 2015-06-24 | BOE Technology Group Co., Ltd. | Touch control display driving circuit, driving method thereof and display device |
| CN104820520A (en) * | 2015-05-08 | 2015-08-05 | 厦门天马微电子有限公司 | Array substrate, touch display panel and driving method of array substrate |
-
2015
- 2015-09-28 CN CN201510627388.2A patent/CN105260055B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2887344A1 (en) * | 2013-08-26 | 2015-06-24 | BOE Technology Group Co., Ltd. | Touch control display driving circuit, driving method thereof and display device |
| CN104699319A (en) * | 2015-04-01 | 2015-06-10 | 上海天马微电子有限公司 | Touch display panel and driving method thereof |
| CN104820520A (en) * | 2015-05-08 | 2015-08-05 | 厦门天马微电子有限公司 | Array substrate, touch display panel and driving method of array substrate |
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| Publication number | Publication date |
|---|---|
| CN105260055A (en) | 2016-01-20 |
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