CN103034381A - Method for transmitting and detecting touch sensing signal and display applying same - Google Patents
Method for transmitting and detecting touch sensing signal and display applying same Download PDFInfo
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- CN103034381A CN103034381A CN2012103675724A CN201210367572A CN103034381A CN 103034381 A CN103034381 A CN 103034381A CN 2012103675724 A CN2012103675724 A CN 2012103675724A CN 201210367572 A CN201210367572 A CN 201210367572A CN 103034381 A CN103034381 A CN 103034381A
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- 238000000034 method Methods 0.000 title claims abstract description 78
- 230000006698 induction Effects 0.000 claims description 108
- 239000004973 liquid crystal related substance Substances 0.000 claims description 95
- 230000005540 biological transmission Effects 0.000 claims description 55
- 238000001514 detection method Methods 0.000 claims description 32
- 238000009826 distribution Methods 0.000 claims description 26
- 230000001939 inductive effect Effects 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000001962 electrophoresis Methods 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 238000009736 wetting Methods 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000009182 swimming Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
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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
- G06F3/0412—Digitisers structurally integrated in a display
-
- 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
- G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
-
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
Abstract
A method for transmitting and detecting touch sensing signals and a display using the same are provided, the display having an active driving circuit, the active driving circuit comprises a plurality of parallel first conducting wires and a plurality of parallel second conducting wires which are mutually staggered, the method selects all or part of a plurality of first leads as first touch sensing lines, selects all or part of a plurality of second leads as second touch sensing lines, and when a first signal is transmitted to the first touch sensing line or a second signal is transmitted to the second touch sensing line, and further transmits a touch sensing signal to at least one of the first touch sensing line and the second touch sensing line, and detecting a signal on at least one of the first touch sensing line and the second touch sensing line so as to judge the position or the strength of the touch.
Description
Technical field
The present invention relates to a kind of method that transmits and detect the touching sensor signal, particularly relate to the display that a kind of transmission for capacitance type touch control induction circuit and detecting are touched the method for sensor signal and used the method.
Background technology
General touch control display panel is at a display panel, for example on the display surface of display panels a Trackpad is set again, but Trackpad is set in addition except meeting increases the integral thickness of touch control display panel, and material cost is increased relatively.And in order to improve the problems referred to above, existing a kind of touch control display panel is integrated in Trackpad in the display panel, to save material cost and to reduce the thickness of touch control display panel.In addition, capacitance type touch control display panel can be detected the user and point the touching on display panel and judge finger touches position, intensity, input data for the user with finger touches whereby or choose function choosing-item on the display panel, therefore, providing a kind of and be applicable to above-mentioned touch control display panel and can judge exactly the transmission of touch position, intensity and the method for detecting touching sensor signal, is one of present important topic.
Summary of the invention
The object of the present invention is to provide a kind of transmission and the method for detecting touching sensor signal and the display of application the method that can judge exactly touch position, intensity.
The present invention transmits and detects the method for touching sensor signal, be applied in the initiative driving circuit, this initiative driving circuit comprises the first wire of several parallel distributions, several second wires staggered with described the first wire and parallel distribution, described the first wire is provided one first signal, described the second wire is provided one second signal, and the method for this transmission and detecting touching sensor signal comprises:
By choosing several first wires in described the first wire as the first touch induction lines, and by choosing several second wires in described the second wire as the second touch induction lines;
When transmitting this first signal to described the first touch induction lines or transmitting this second signal to described the second touch induction lines, also transmit a touching sensor signal to described the first touch induction lines and described the second touch induction lines both at least one of them; And
Detect both signals on one of them at least of described the first touch induction lines and described the second touch induction lines, therefrom capturing the detection signal corresponding to this touching sensor signal, and judge position or the intensity that touching occurs according to this.
Preferably, when this touching sensor signal was transferred into described the first touch induction lines, this first signal was interval transmission of a very first time, this touching sensor signal be after this very first time interval or before the transmission of one second time interval; Perhaps, this touching sensor signal is to transmit at this second time interval, and this first signal be this second time interval after or before the interval transmission of this very first time.
Preferably, when this touching sensor signal was transferred into described the second touch induction lines, this second signal was to transmit at one the 3rd time interval, this touching sensor signal be after the 3rd time interval or before the transmission of one the 4th time interval; Perhaps, this touching sensor signal is to transmit at the 4th time interval, and this second signal be the 4th time interval after or before the transmission of the 3rd time interval.
Preferably, this touching sensor signal is transferred into described the second touch induction lines, and this second signal can be a pulse or a square-wave signal, and this second signal be with this touching sensor signal smear after be transferred into again described the second touch induction lines.
Preferably, one the 5th time interval before this second time interval also transmits a high pressure signal to described the first touch induction lines or described the first wire.
Preferably, this touching sensor signal also with a high pressure signal smear after, be transferred into again described the first touch induction lines or described the first wire.
Preferably, one the 6th time interval before the 4th time interval also transmits a high pressure signal to described the second touch induction lines or described the second wire.
Preferably, this touching sensor signal also with a high pressure signal smear after, be resent to described the second touch induction lines or described the second wire.
Preferably, this initiative driving circuit is to be applied to a display, and this high pressure signal also is applied in the pixel electrode in all or part of zone of a pixel electrode layer of this display.
Preferably, the frequency of this touching sensor signal is more than at least 30 times of frequency of this second signal.
Preferably, this touching sensor signal can be square wave, triangular wave or string ripple.
Preferably, transmit this touch sensing signal to described the first touch induction lines and described the second touch induction lines both at least before one of them, also with described the first touch induction lines and described the second touch induction lines both at least one of them ground connection, connect a conductor or be connected to a large electric capacity.
Preferably, in the method for this transmission and detecting touching sensor signal, also utilize a recording controller to transmit this first signal to described the first wire, this recording controller also transmits this touching sensor signal to described the first touch induction lines, and the one scan controller transmits this second signal to described the second wire, and this scanning monitor also transmits this touching sensor signal to described the second touch induction lines, and a touch-control sensing detector and described the first touch induction lines electric coupling, to detect described the first touch induction lines and therefrom to capture this detection signal corresponding to this touching sensor signal, and this touch-control sensing detector and described the second touch induction lines electric coupling are to detect described the second touch induction lines and therefrom to capture this detection signal corresponding to this touching sensor signal.
Preferably, this initiative driving circuit is applied in the display, and one of them is the common-battery polar curve for described the first touch induction lines, described the second touch induction lines, this display also comprise one with the switching switch circuit of described common-battery polar curve electric coupling, it switches described common-battery polar curve as common electrode or as the line of induction that transmits this touching sensor signal according to the sequential of signal transmission.
Preferably, this initiative driving circuit is applied in the display, and drives a liquid crystal layer of this display by described the first wire, described the second wire.
Moreover, a kind of display of using the method for the present invention, has an initiative driving circuit, this initiative driving circuit comprises the first wire of several parallel distributions, several second wires staggered with described the first wire and parallel distribution, described the first wire is provided one first signal, and described the second wire is provided one second signal, it is characterized in that:
This initiative driving circuit is used in the method that transmits as the aforementioned and detect the touching sensor signal.
Preferably, this display is one to comprise the liquid crystal display of a liquid crystal layer, and drives this liquid crystal layer by described the first wire and described second wire of this initiative driving circuit.
Preferably, this display is liquid crystal display, liquid crystal on silicon micro display, electric wetting display, electrophoresis display or organic light emitting diode display.
Moreover, a kind of method that transmits and detect the touching sensor signal of the present invention, be applied in the initiative driving circuit, this initiative driving circuit comprises the first wire of several parallel distributions, several second wires staggered with described the first wire and parallel distribution, several are located at the inside of this initiative driving circuit, outside or peripheral privates, and the staggered inside of being located at this initiative driving circuit of several and described privates, outside or peripheral privates, described the first wire is provided one first signal, described the second wire is provided one second signal, and the method for this transmission touching sensor signal comprises:
Transmit a high pressure signal and a touching sensor signal to described privates and described privates both at least one of them; And
Detect both signals on one of them at least of described privates and described privates, therefrom capturing the detection signal corresponding to this touching sensor signal, and judge position or the intensity that touching occurs according to this.
Preferably, the method first this high pressure signal synchronously is sent to described the first wire, described the second wire, described privates and described privates at least one of them, should touch again sensor signal synchronously be sent to described privates and described privates both at least one of them.
Preferably, the method is first with after this high pressure signal and this touching sensor signal smear, be resent to described privates and described privates both at least one of them.
Preferably, the method be in order at interval this high pressure signal that transmits of a very first time to described privates and described privates at least after one of them, transmit this touching sensor signal extremely described privates or described privates at one second time interval in order again.
Preferably, described privates and described privates both one of them interval is transmitted this high pressure signal in a very first time at least, and this very first time interval after or before the transmission of one second time interval, detect this touching sensor signal.
Preferably, the method in transmit this touching sensor signal to described privates and described privates both at least one of them the time, also transmit this high pressure signal to described the first wire and described the second wire.
Preferably, this initiative driving circuit is to be applied to a display, and this high pressure signal also is applied in the pixel electrode in all or part of zone of a pixel electrode layer of this display.
Preferably, the Jue Dui Zhi＞=4V of this high pressure signal, and should very first time Qu Jian＞=0.5ms.
Preferably, the method transmit this touch-control sensing signal to described privates and privates both at least before one of them, also with described privates and privates both at least one of them ground connection, connect a conductor or connect a large electric capacity.
Preferably, this initiative driving circuit is applied in the display, and drives a liquid crystal layer of this display by described the first wire or described the second wire.
Moreover, a kind of display of the present invention, has an initiative driving circuit, this initiative driving circuit comprises the first wire of several parallel distributions, several second wires staggered with described the first wire and parallel distribution, several are located at inside, outside or the peripheral privates of this initiative driving circuit, and staggered inside, outside or the peripheral privates of being located at this initiative driving circuit of several and described privates, described the first wire is provided one first signal, described the second wire is provided one second signal, it is characterized in that:
This initiative driving circuit is used the method that transmits as the aforementioned and detect the touching sensor signal.
Preferably, this display is one to comprise the liquid crystal display of a liquid crystal layer, and drives this liquid crystal layer by described the first wire and described second wire of this initiative driving circuit.
Preferably, this liquid crystal display comprises that one provides the backlight module of light source, and the method also comprises: when transmitting this high pressure signal to described the first wire and described the second wire, or when transmitting this touch-control sensing signal to described privates or described privates, close or dim the light source of this backlight module.
Preferably, this display is liquid crystal display, liquid crystal on silicon micro display, electric wetting display, electrophoresis display or organic light emitting diode display.
Moreover, a kind of method that transmits and detect the touching sensor signal of the present invention, be applied in a touch control display, this touch control display comprises that a liquid crystal display and is located at the capacitance touching control inductive layer of this liquid crystal display top, this liquid crystal display comprises the first wire of a liquid crystal layer, several parallel distributions, several second wires staggered with described the first wire and parallel distribution, and interval in a very first time, described the first wire is provided one first signal, at one the 3rd time interval, described the second wire is provided one second signal, to drive this liquid crystal layer; This capacitance touching control inductive layer comprises several privates, and the staggered privates of several and described privates; The method of this transmission and detecting touching sensor signal comprises:
After this very first time interval or outside one second time interval, transmit a high pressure signal to described the first wire and transmit a touching sensor signal to described privates, perhaps after the 3rd time interval or one the 4th time interval before, transmit a high pressure signal to described the second wire and transmit a touching sensor signal to described privates; And
Detect both signals on one of them at least of described privates and described privates, therefrom to capture the detection signal corresponding to this touching sensor signal, to judge position or the intensity that touching occurs.
Preferably, this liquid crystal display comprises that one provides the backlight module of light source, and the method also comprises: when transmitting this high pressure signal to described the first wire or described the second wire, close or put the light source of dark this backlight module.
Preferably, the method transmit this touch sensing signal to described privates and privates both at least before one of them, also with both one of them ground connection or connect a large electric capacity at least of described privates and described privates.
Preferably, this high pressure signal also is applied in the pixel electrode in all or part of zone of a pixel electrode layer of this liquid crystal display.
Moreover the present invention is a kind of to transmit and the method for detecting touching sensor signal, is applied in the capacitance type touch control induction circuit, and this capacitance touching control sensor circuit comprises several the first wires, and several and the second wire that described the first wire interlocks, and the method comprises:
First with both one of them of short duration ground connection or connect a large electric capacity at least of described the first wire and described the second wire, transmit again a touching sensor signal to described the first wire and described the second wire both at least one of them; And
Detect both signals on one of them at least of described the first wire and described the second wire, therefrom to capture the detection signal corresponding to this touching sensor signal, to judge position, the intensity that touching occurs.
Effect of the present invention is by on the wire of the initiative driving circuit that drives flat-panel screens, transmit the touch-control sensing signal on the wire that in initiative driving circuit, arranges in addition and at the capacitance touching control inductive layer of touch control display, position or intensity with the detecting touching, and the wire by in good time transmission high pressure signal to initiative driving circuit, wire or the partial electrode of the wire that arranges in addition in the initiative driving circuit and the pixel electrode layer of touch control display, or before transmitting the touch-control sensing signal, wire with initiative driving circuit, the wire that arranges in addition in the initiative driving circuit and the of short duration ground connection of capacitance touching control inductive layer of touch control display, the accuracy that can improve touch detection.
Description of drawings
Fig. 1 is the synoptic diagram that the present invention transmits the applied initiative driving circuit of the first preferred embodiment of the method for touching sensor signal.
Fig. 2 and Fig. 3 are the sequential charts that shows the first embodiment, the first signal S
1At interval T of the very first time
1Transmit, and the first touching sensor signal S
3At one second time interval T
2Transmit.
Fig. 4 and Fig. 5 are the sequential charts that shows the first embodiment, the second signal S
2At the 3rd time interval T
3Transmit the second touching sensor signal S
4At the 4th time interval T
4Transmit.
Fig. 6 is the sequential chart that shows the first embodiment, the second touching sensor signal S
4Elder generation and the second signal S
2Transmit again after the smear.
Fig. 7 and Fig. 8 are the sequential charts that shows the first embodiment, at the second time interval T
2One the 5th time interval T before
5Also transmit a high pressure signal S
5
Fig. 9 is the sequential chart that shows the first embodiment, the first touching sensor signal S
3With high pressure signal S
5Smear.
Figure 10 and Figure 11 are the sequential charts that shows the first embodiment, at the 4th time interval T
4One the 6th time interval T before
6Also transmit a high pressure signal S
6
Figure 12 is the sequential chart that shows the first embodiment, with the second touching sensor signal S
4With high pressure signal S
6Smear.
Figure 13 is the applied another kind of initiative driving circuit synoptic diagram of the second preferred embodiment that the present invention transmits the method for touching sensor signal.
Figure 14 is the sequential chart that shows among the second embodiment, transmits first high pressure signal S
5After giving whole privates, transmit again touching sensor signal S
3To described privates.
Figure 15 is the sequential chart that shows among the second embodiment, high pressure signal S
5With touching sensor signal S
3Smear.
Figure 16 shows the sequential chart of the second embodiment, first in order at interval t of a very first time
1Transmit high pressure signal S
5To described privates X
1~ X
M/d, more in order at one second time interval t
2Transmit the first touching sensor signal S
3To described privates X
1~ X
M/d
Figure 17 shows the sequential chart of the second embodiment, at interval t of the very first time of cycle T
1, transmit first a high pressure signal S
5Give a privates, and at interval t of this very first time of continuing
1The second time interval t afterwards
2Transmit touching sensor signal S
3Give this privates.
It is sequential chart that (a) of Figure 18, (b) reach (c), and figure (a) and figure (b) show the high pressure signal S of the second embodiment
5The time interval T that transmits data signals at described the first wire
1Be transferred into described privates and/or privates, and at the interval T of connecting time
1Time interval T afterwards
5Transmit touching sensor signal S
3To described privates and/or privates, simultaneously, at time interval T
5In, a high pressure signal S
7Be transferred into described the first wire, figure (c) shows high pressure signal S
5Also can be at time interval T
5In be sent to described privates and/or privates, transmit again touching sensor signal S
3To described privates and/or privates.
Figure 19 is the applied touch control display synoptic diagram of the 3rd preferred embodiment of method that the present invention transmits the touching sensor signal, and this touch control display comprises that a liquid crystal display and is located at the capacitance touching control inductive layer of this liquid crystal display top.
Figure 20 is the structural representation of the capacitance touching control inductive layer of the 3rd embodiment.
Figure 21 is the sequential chart that shows among the 3rd embodiment, at the second time interval T
2For the previous period t
1Transmit first high pressure signal S
5Give described the first wire, and at the second time interval T
2Back segment time t
2, transmit again touching sensor signal S
3To described privates.
Figure 22 is the sequential chart that shows the 3rd embodiment, at the 4th time interval T
4For the previous period t
3Transmit first high pressure signal S
6Give described the second wire, and at the 4th time interval T
4Back segment time t
4, transmit again touching sensor signal S
4To described privates.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples.
Referring to shown in Figure 1, the first preferred embodiment that the present invention transmitted and detected the method for touching sensor signal is to be applied in the initiative driving circuit of a display 100, this initiative driving circuit 100 is mainly in order to drive a display panel (not shown), for example liquid crystal panel, electronics swimming display panel, Electrowetting display panel ... Deng, it comprises the first wire 11 of several parallel distributions, several second wires 12 staggered with described the first wire 11 and parallel distribution, described the first wire 11 is provided one first signal S
1, described the second wire 12 is provided one second signal S
2Wherein said the first wire 11 can be the data line in the initiative driving circuit 100, scanning linear, signal wire, read line, bias line, power lead, control line, the common-battery polar curve, auxiliary traverse, compensating circuit, the signal control line of compensating circuit etc. one of them, described the second wire 12 can be the data line in the initiative driving circuit 100, scanning linear, signal wire, read line, bias line, power lead, control line, the common-battery polar curve, auxiliary traverse, compensating circuit, the signal control line of compensating circuit etc. one of them, but need and the staggered and not conducting of described the first wire 11.
And as shown in Figure 1, the initiative driving circuit 100 of present embodiment is that to drive a liquid crystal panel be example, and described the first wire 11 is the data line D in the initiative driving circuit 100
1~ D
m, and this first signal S
1Be data signals, described the second wire 12 is the sweep trace G in the initiative driving circuit 100
1~ G
n, and this second signal S
2Be the turntable driving signal, this second signal can be a pulse or square-wave signal.
Present embodiment transmits and the method for detecting touching sensor signal is (to be data line D from described the first wire 11 first
1~ D
m) in choose several first wires 11 as the first touch induction lines X
1~ X
M/d(d is positive integer), and (be sweep trace G from described the second wire 12
1~ G
n) in choose several second wires 12 as the second touch induction lines Y
1~ Y
N/d '(d ' be positive integer).Wherein, described the first wire 11 (is data line D
1~ D
m) driven by a recording controller 13, described the second wire 12 (is sweep trace G
1~ G
n) driven by one scan controller 14, and one first touch-control sensing detector 15 and described the first touch induction lines X
1~ X
M/dElectric coupling is to detect described the first touch induction lines X
1~ X
M/dOn the touching signal, one second touch-control sensing detector 16 and described the second touch induction lines Y
1~ Y
N/d 'Electric coupling is to detect described the second touch induction lines Y
1~ Y
N/d 'On the touching signal.
Therefore, recording controller 13 is in transmitting the first signal S1 to described the first wire D
1~ D
mOr the first touch induction lines X
1~ X
M/d, or scanning monitor 14 transmits the second signal S
2To described the second wire G
1~ G
nOr the second touch induction lines Y
1~ Y
N/d 'The time, recording controller 13 also transmits one first touching sensor signal S at least
3To described the first touch induction lines X
1~ X
M/d, or scanning monitor 14 also transmits one second touching sensor signal S at least
4To described the second touch induction lines Y
1~ Y
N/d 'Wherein, this second touching sensor signal S
4Frequency be this second signal S
2At least 30 times of frequency.Whereby, the first touch-control sensing detector 15 can be by receiving from described the first touch induction lines X
1~ X
M/dSignal, detect and judge described the first touch induction lines X
1~ X
M/dWhether touched and thoughts and feelings intensity, position, similarly, the second touch-control sensing detector 16 can be by receiving from described the second touch induction lines Y
1~ Y
N/d 'Signal, detect and judge described the second touch induction lines Y
1~ Y
N/d 'Whether touched and thoughts and feelings intensity, position.
Or rather, the first signal S
1With the first touching sensor signal S
3Be sent to described the first touch induction lines X by recording controller 13 timesharing
1~ X
M/d, the first touching sensor signal S
3Can be square wave, triangular wave or string ripple, at this take the string ripple as the example explanation.
As shown in Figure 2, the first signal S
1At interval T of a very first time
1Be sent to described the first touch induction lines X
1~ X
M/d, the first touching sensor signal S
3At interval T of the very first time
1One second time interval T afterwards
2Be sent to described the first touch induction lines X
1~ X
M/dIn addition, as shown in Figure 3, recording controller 13 also can be first at the second time interval T
2Transmit the first touching sensor signal S
3, and then in the second time interval T
2Interval T of the very first time afterwards
1Transmit the first signal S
1
In like manner, as shown in Figure 4, the second signal S
2With the second touching sensor signal S
4Also be to be scanned controller 14 timesharing to be sent to described the second touch induction lines Y
1~ Y
N/d ', that is, the second signal S
2At one the 3rd time interval T
3Transmit the second touching sensor signal S
4At one the 4th time interval T
4Transmit.In addition, as shown in Figure 5, scanning monitor 14 also can be first at the 4th time interval T
4Transmit the second touching sensor signal S
4, and then in the 4th time interval T
4The 3rd time interval T afterwards
3Transmit the second signal S
2Simultaneously, described the first touch induction lines X is detected respectively and received to the first touch-control sensing detector 15 and the second touch-control sensing detector 16
1~ X
M/dAnd described the second touch induction lines Y
1~ Y
N/d 'On signal, therefrom to capture corresponding to this first touching sensor signal S
3Reach the second touching sensor signal S
4A detection signal, and position, the intensity of touching judge to occur according to this.And above-mentioned the first touch-control sensing detector 15 and the second touch-control sensing detector 16 can adopt known self-tolerant capacitive sensing mode to detect respectively described the first touch induction lines X
1~ X
M/dAnd described the second touch induction lines Y
1~ Y
N/d 'On signal.At this, the second touching sensor signal S
4The explanation as an example of the string ripple example, it is square wave or triangular wave also.
Moreover, as shown in Figure 6, the second touching sensor signal S
4Also can be first and the second signal S
2Be resent to described the second touch induction lines Y after the smear
1~ Y
N/d 'And 16 detectings of the second touch-control sensing detector also receive described the second touch induction lines Y
1~ Y
N/d 'On signal, therefrom to isolate corresponding to the second touching sensor signal S
4A detection signal, and position, the intensity of touching judge to occur according to this.Certainly, present embodiment also can be only with a touch-control sensing detector and adopt known mutual appearance formula capacitive sensing mode to detect respectively described the first touch induction lines X
1~ X
M/dAnd described the second touch induction lines Y
1~ Y
N/d 'On the touching signal, and therefrom capture corresponding to the first touching sensor signal S
3Reach the second touching sensor signal S
4A detection signal, and position, the intensity of touching judge to occur according to this.
In addition, when initiative driving circuit 100 collocation one display, take liquid crystal display with a liquid crystal panel as example, and when consisting of a liquid crystal display, initiative driving circuit 100 is to drive liquid crystal deflecting element in the liquid crystal panel to show data display, under this framework, in order not disturb display frame, present embodiment can select to be positioned at described first wire 11 of black matrix" (Black Matrix, be called for short BM) below of liquid crystal panel and described the second wire 12 as described the first touch induction lines X
1~ X
M/dWith described the second touch induction lines Y
1~ Y
N/d 'And because the deflection angle of the liquid crystal molecule of each position is not quite similar on the panel, affect easily the accuracy of touch detection.Therefore, such as Fig. 7 or shown in Figure 8, present embodiment also makes recording controller 13 transmit the first touching sensor signal S
3The second time interval T
2One the 5th time interval T before
5, transmit a high pressure signal S
5To described the first touch induction lines X
1~ X
M/d, or transmit high pressure signal S
5Extremely the first whole wires 11 (is data line D
1~ D
m), this high pressure signal S wherein
5Absolute value more preferably greater than or equal at least 4V, and the 5th time interval T
5More preferably greater than or equal at least 0.5ms.It is worth mentioning that the high pressure signal of present embodiment is not limited to positive voltage, also can be negative voltage, for example ± 5V or ± 20V, and magnitude of voltage is higher makes that liquid crystal molecule is rapider to deflect to same angle.
Whereby, before carrying out touch detection, recording controller 13 can send first high pressure signal S
5Control the first touch induction lines X that is positioned at of liquid crystal panel
1~ X
M/dAfter near the deflection of ordered liquid crystal molecule degree is arranged, export again the first touching sensor signal S
3To described the first touch induction lines X
1~ X
M/d
In addition, as shown in Figure 9, recording controller 13 also can be with the first touching sensor signal S
3With high pressure signal S
5After carrying out smear, be resent to described the first touch induction lines X
1~ X
M/dOr the first whole wires 11 (is data line D
1~ D
m).
In like manner, such as Figure 10 or shown in Figure 11, the scanning monitor 14 of present embodiment is also transmitting the second touching sensor signal S
4The 4th time interval T
4One the 6th time interval T before
6, transmit a high pressure signal S
6To described the second touch induction lines Y
1~ Y
N/d 'Or the second whole wires 12 (is sweep trace G
1~ G
n), whereby, can utilize first to send high pressure signal S
6Control the second touch induction lines Y that is positioned at of liquid crystal panel
1~ Y
N/d 'Or after near the deflection arrangement of the ordered liquid crystal molecule degree the second whole wires 12, export again the second touching sensor signal S
4To described the second touch induction lines Y
1~ Y
N/d 'Or the second whole wires 12, can avoid liquid crystal molecule to affect described the second touch induction lines Y
1~ Y
N/d 'The accuracy of touch detection.
In addition, the high pressure signal can also be applied to the pixel electrode in all or part of zone of the pixel electrode layer of liquid crystal panel, makes on it and the contiguous more arrangement of the degree of order of liquid crystal molecule.
Moreover as shown in figure 12, scanning monitor 14 also can be with the second touching sensor signal S
4With high pressure signal S
6After carrying out smear first, be resent to described the second touch induction lines Y
1~ Y
N/d 'Or the pixel electrode in all or part of zone of the pixel electrode layer of the second whole wires 12 or liquid crystal panel.
In addition, it is worth mentioning that present embodiment is transmitting the touch sensing signal to described the first touch induction lines X
1~ X
M/dOr described the second touch induction lines Y
1~ Y
N/d 'Before, also can be first with described the first touch induction lines X
1~ X
M/dOr described the second touch induction lines Y
1~ Y
N/d 'Ground connection also can be with whole the first wire D
1~ D
mOr described whole the second wire G
1~ G
nGround connection, that is be connected to a common electric potential such as a large electric capacity or ground plane of large electric conductor or circuit board etc., makes described the first touch induction lines X
1~ X
M/dAnd described the second touch induction lines Y
1~ Y
N/d 'On noise or electric leakage can be eliminated via short time or of short duration ground connection totally, whereby, can further improve described the first touch induction lines X
1~ X
M/dAnd described the second touch induction lines Y
1~ Y
N/d 'The accuracy of touch detection.
Moreover, it is worth mentioning that, if one of them is the common-battery polar curve for described the first wire and described the second wire, then display also can comprise one with the switching switch circuit of described common-battery polar curve electric coupling, in order to the sequential according to signal transmission, switch described common-battery polar curve as the common electrode use or as the line of induction that transmits this touching sensor signal.
Referring to Figure 13, the second preferred embodiment that the present invention transmitted and detected the method for touching sensor signal is to be applied in the another kind of initiative driving circuit 200, this initiative driving circuit 200 is mainly in order to drive a display panel (not shown), for example liquid crystal panel, electronics swimming show plasma panel, electric moistening demonstration oled panel, EL panel ... Deng, it comprises the first wire D of several parallel distributions
1~ D
m, several and described the first wire D
1~ D
mThe second wire G of staggered and parallel distribution
1~ G
n, several equidistantly arrange and with described the first wire D
1~ D
mParallel but quantity only is about described the first wire D
1~ D
m1/d (d is positive integer) privates X doubly
1~ X
M/d, and several equidistant arrange and with described the second wire G
1~ G
nParallel, and with described privates X
1~ X
M/dStaggered privates Y
1~ Y
N/d '(d ' be positive integer), described the first wire D
1~ D
mBe provided one first signal, described the second wire G
1~ G
nBe provided one second signal.Wherein said the first wire D
1~ D
mCan be data line, scanning linear, signal wire, read line, bias line, power lead, control line, common electrode, auxiliary traverse, the compensating circuit in the initiative driving circuit 200, signal control line of compensating circuit etc. one of them, described the second wire G
1~ G
nCan be data line, scanning linear, signal wire, read line, bias line, power lead, control line, common electrode, auxiliary traverse, the compensating circuit in the initiative driving circuit 100, the signal control line of compensating circuit etc. one of them, but need and described the first wire D
1~ D
mInterlock and not conducting.
As shown in figure 13, the initiative driving circuit 200 of present embodiment is that to drive a liquid crystal panel be example, described the first wire D
1~ D
mBe the data line in the initiative driving circuit 200, it is arranged along the black matrix" of liquid crystal panel (Black Matrix is called for short BM) or non-display area usually, and this first signal is data signals, described the second wire G
1~ G
nBe the sweep trace in the initiative driving circuit 100, it is arranged along black matrix" or the non-display area of liquid crystal panel usually, and this second signal is the turntable driving signal.Wherein, described the first wire D
1~ D
mBe subjected to a recording controller 13 to drive described the second wire G
1~ G
nDriven by one scan controller 14, and one first touch-control sensing detector 15 and described privates (touch induction lines) X
1~ X
M/dElectric coupling is to detect described privates X
1~ X
M/dOn the touching signal, one second touch-control sensing detector 16 and described privates Y
1~ Y
N/d 'Electric coupling is to detect described privates Y
1~ Y
N/d 'On the touching signal.Certainly, present embodiment also can only be detected respectively described privates X with a touch-control sensing detector
1~ X
M/dAnd described privates Y
1~ Y
N/d 'On the touching signal.
And present embodiment mainly is to transmit a high pressure signal S
5To described privates X
1~ X
M/dOr described all first wire D
1~ D
m, transmit again the first touching sensor signal S
3To described privates X
1~ X
M/d; Perhaps transmit a high pressure signal S
6To described privates Y
1~ Y
N/d 'Or described all second wire G
1~ G
n, transmit again the second touching sensor signal S
4To described privates Y
1~ Y
N/d 'Whereby, utilize first transmission high pressure signal S
5, S
6The control liquid crystal panel be positioned at privates X
1~ X
M/dAnd/or privates Y
1~ Y
N/d 'After near the deflection of ordered liquid crystal molecule degree is arranged, export again the first touching sensor signal S
3And/or the second touching sensor signal S
4To described privates X
1~ X
M/dAnd/or privates Y
1~ Y
N/d ', can avoid the Liquid Crystal Molecules Alignment degree of order different and affect described privates X
1~ X
M/dAnd/or privates Y
1~ Y
N/d 'The accuracy of touch detection.
Or rather, as shown in figure 14, present embodiment can make the first touch-control sensing detector 15 (and/or second touch-control sensing detector 16) before carrying out touch detection, transmits first high pressure signal S
5(and/or high pressure signal S
6) to whole privates X
1~ X
M/d(and/or privates Y
1~ Y
N/d '), make corresponding described privates X
1~ X
M/d(and/or privates Y
1~ Y
N/d ') liquid crystal molecule of position after the proper alignment, transmits respectively the first touching sensor signal S in the same direction again
3(and/or the second touching sensor signal S
4) to described privates X
1~ X
M/d(and/or privates Y
1~ Y
N/d ').Perhaps, as shown in figure 15, the first touch-control sensing detector 15 (and/or second touch-control sensing detector 16) is first with high pressure signal S
5(and/or high pressure signal S
6) and the first touching sensor signal S
3(and/or the second touching sensor signal S
4) carry out smear after, be sent to respectively more described privates X
1~ X
M/d(and/or privates Y
1~ Y
N/d '), also can reach and make corresponding described privates X
1~ X
M/dAnd/or privates Y
1~ Y
N/d 'The effect of the liquid crystal molecule proper alignment of position.
In addition, above-mentioned high pressure signal S
5, S
6Also can be applied in the picture element of whole or regional area of the pixel electrode layer of liquid crystal panel, make on it and the contiguous more arrangement of the degree of order of liquid crystal molecule.
Perhaps as shown in figure 16, the first touch-control sensing detector 15 (and/or second touch-control sensing detector 16) is first in order at interval t of a very first time
1Transmit high pressure signal S
5(and/or high pressure signal S
6) to described privates X
1~ X
M/d(and/or privates Y
1~ Y
N/d '), the control liquid crystal panel be positioned at described privates X
1~ X
M/d(and/or privates Y
1~ Y
N/d') near the deflection of ordered liquid crystal molecule degree arrange after; Again in order at one second time interval t
2Transmit the first touching sensor signal S
3(and/or the second touching sensor signal S
4) to described privates X
1~ X
M/d(and/or privates Y
1~ Y
N/d ').In other words, all privates X
1~ X
M/dSequentially receive high pressure signal S
5After, again with the first touching sensor signal S
3Be orderly sent to each bar privates X
1~ X
M/d
Or as shown in figure 17, the first touch-control sensing detector 15 is transmitting the first touching sensor signal S
3Give each bar privates X
1~ X
M/dCycle T in interval t of a very first time
1, for example Figure 17 (a) transmits first a high pressure signal S
5(approximately 5V) gives privates X
1~ X
M/dIn article one X
1, what make the control liquid crystal panel is positioned at article one wire X
1Near the deflection of ordered liquid crystal molecule degree is arranged, then, and at interval t of this very first time
1One second time interval t afterwards
2Transmit the first touching sensor signal S
3To article one wire X
1, to carry out touch detection.Then, in the manner described above, such as Figure 17 (b) ~ Figure 17 (m/d), in ensuing each cycle T, sequentially transmit high pressure signal S
1Reach the first touching sensor signal S
3Give follow-up other privates X
2~ X
M/dIn like manner, the second touch-control sensing detector 16 also in the above described manner in each cycle T, transmits high pressure signal S in order
6Reach the second touching sensor signal S
4Give each bar privates Y
1~ Y
N/d 'Whereby, can make corresponding described privates X
1~ X
M/dAnd/or privates Y
1~ Y
N/dThe liquid crystal molecule proper alignment of position, and the described privates X of unlikely impact
1~ X
M/dAnd/or privates Y
1~ Y
N/d 'The accuracy of touch detection.
And, above-mentioned high pressure signal S
5, S
6Also can be applied in the picture element of whole or regional area of the pixel electrode layer of liquid crystal panel, make on it and the contiguous more arrangement of the degree of order of liquid crystal molecule.
Certainly, above-mentioned high pressure signal also can be by the drive IC dispensing of display, for example with described privates X
1~ X
M/dBe electrically connected recording controller 13 or privates Y
1~ Y
N/d 'Be electrically connected scanning monitor 14, namely can recording controller 13 or scanning monitor 14 discharge the high pressure signal.
Simultaneously, described privates X is detected respectively and received to the first touch-control sensing detector 15 and the second touch-control sensing detector 16
1~ X
M/dAnd described privates Y
1~ Y
N/d 'On signal, therefrom capturing the detection signal corresponding to this touching sensor signal, and judge according to this position, the intensity that touching occurs.
Moreover shown in Figure 18 (a), (b), Figure 18 (a) is the first wire D
1~ D
mSequential chart, Figure 18 (b) is privates X
1~ X
M/dSequential chart.High pressure signal S
5(and/or high pressure signal S
6) can be at described the first wire D
1~ D
mBe transmitted the interval T of the very first time of data signals
1, be transferred into described privates X
1~ X
M/d(and/or privates Y
1~ Y
N/d '), and at interval T of the very first time of continuing
1The 5th time interval T afterwards
5Transmit the first touching sensor signal S
3(and/or the second touching sensor signal S
4) to described privates X
1~ X
M/d(and/or privates Y
1~ Y
N/d ').
And high pressure signal S
5Also can be applied in simultaneously the picture element of whole or regional area of the pixel electrode layer of liquid crystal panel, make on it and the contiguous more arrangement of the degree of order of liquid crystal molecule.
Simultaneously, shown in Figure 18 (a), at the 5th time interval T
5In, another high pressure signal S
7Also be transferred into described the first wire D
1~ D
m, and control all more arrangement of the degree of order of liquid crystal molecule of (comprise and be positioned at picture element region (viewing area), non-picture element region (non-display area)) of whole panel, make described privates X
1~ X
M/dAnd/or privates Y
1~ Y
N/d 'When carrying out touch detection, the unlikely liquid crystal molecule that is subject near zone disturbs, and further promotes described privates X
1~ X
M/dAnd/or privates Y
1~ Y
N/d 'The accuracy of touch detection.And high pressure signal S
7Also can be applied in simultaneously the picture element of whole or regional area of the pixel electrode layer of liquid crystal panel, make on it and the contiguous more arrangement of the degree of order of liquid crystal molecule.
And, shown in Figure 18 (c), high pressure signal S
5(and/or S
6) also can in time interval T5, just be sent to described privates X
1~ X
M/d(and/or privates Y
1~ Y
N/d '), then, transmit again the first touching sensor signal S
3(and/or the second touching sensor signal S
4) to described privates X
1~ X
M/d(and/or privates Y
1~ Y
N/d ') to carry out touch-control sensing.
In addition, as high pressure signal S
7Be sent to described the first wire D
1~ D
mThe time, provide a backlight module (not shown) of liquid crystal panel light source or to put the secretly light source of this backlight module by temporary close.
In addition, transmitting the touch-control sensing signal to described privates X
1~ X
M/dOr privates Y
1~ Y
N/d 'Before, can be first with described privates X
1~ X
M/dOr whole the first wire D
1~ D
mAnd privates Y
1~ Y
N/d 'Or the second wire G
1~ G
nGround connection makes described privates X
1~ X
M/dAnd described privates Y
1~ Y
N/d 'On noise or electric leakage can be eliminated via ground connection totally, whereby, can further improve described privates X
1~ X
M/dAnd described privates Y
1~ Y
N/d 'The accuracy of touch detection.
Again referring to shown in Figure 19, the 3rd preferred embodiment that the present invention transmitted and detected the method for touching sensor signal is to be applied in a touch control display 300, this touch control display 300 comprises that a liquid crystal display 3 and is located at the capacitance touching control inductive layer 4 of these liquid crystal display 3 tops, and liquid crystal display 3 comprises the backlight module 33 that a liquid crystal layer 31, is located at the pixel electrode layer 32 on the substrate 30 and is positioned at substrate 30 belows.Wherein pixel electrode layer 32 comprises the first wire of several parallel distributions, i.e. as shown in Figure 1 data line D
1~ D
m, several second wires staggered with described the first wire and parallel distribution, i.e. as shown in Figure 1 sweep trace G
1~ G
n, described the first wire D
1~ D
mBe provided one first signal, i.e. data signals, and described the second wire G
1~ G
nBe provided one second signal, namely scan signal, carry out picture disply in order to drive liquid crystal layer 31.This capacitance touching control inductive layer 4 comprises several parallel privates X as shown in figure 20
1~ X
M/d(d is positive integer), and several parallel and with the staggered privates Y of described privates
1~ Y
N/d '(d ' be positive integer).And as shown in Figure 1, recording controller 13 is responsible for driving described the first wire D
1~ D
m, scanning monitor 14 is responsible for driving described the second wire G
1~ G
n, the first touch-control sensing detector 15 is responsible for the described privates X of detecting
1~ X
M/dTouched signal, position, intensity, and the second touch-control sensing detector 16 is responsible for the described privates Y of detecting
1~ Y
N/d 'Touched signal, position, intensity.And at interval T of a very first time
1, described the first wire D
1~ D
mBe provided one first signal S
1, at one the 3rd time interval T
3, described the second wire G
1~ G
nBe provided one second signal S
2, to drive liquid crystal layer 31.
The method of present embodiment transmission and detecting touching sensor signal is one second time interval T after interval T1 of the very first time
2In, transmit a high pressure signal S
5To described the first wire D
1~ D
m, and/or at the 3rd time interval T
3One the 4th time interval T afterwards
4In, transmit a high pressure signal S
6To described the second wire G
1~ G
n, and in this second time interval T
2In, transmit the first touching sensor signal S
3To described privates X
1~ X
M/d, and/or in the 4th time interval T
4In, transmit the second touching sensor signal S
4To described privates Y
1~ Y
N/d '
Or rather, as shown in figure 21, recording controller 13 can be at the second time interval T
2In an interval t for the previous period
1Transmit first high pressure signal S
5Give described the first wire D
1~ D
m(referring to Fig. 1) is then at interval t for the previous period
1A back segment time interval t afterwards
2, transmit the first touching sensor signal S by the first touch-control sensing detector 15
3To described privates X
1~ X
M/dIn like manner, as shown in figure 22, scanning monitor 14 is at the 4th time interval T
4In a t for the previous period
3Transmit first high pressure signal S
6Give described the second wire G
1~ G
n, then the second touch-control sensing detector 16 is at the 4th time interval T
4In a back segment time t
4Transmit again the second touching sensor signal S
4To described privates Y
1~ Y
N/d 'In addition, also can be at interval t for the previous period
1, t
3The middle high pressure signal S that transmits respectively
5, S
6Give described the first all or part of wire D
1~ D
mAnd described the second wire G
1~ G
nEven transmit high pressure signal S
5, S
6Give the pixel electrode in all or part of zone of the pixel electrode layer of liquid crystal panel; Simultaneously, also transmit respectively the first touching sensor signal S
3Reach the second touching sensor signal S
6To described privates X
1~ X
M/dAnd described privates Y
1~ Y
N/d 'And, in transmitting high pressure signal S
5, S
6To described the first wire D
1~ D
mAnd described the second wire G
1~ G
nThe time, with backlight module 33 temporary closes.
Whereby, at 15 couples of described privates X of the first touch-control sensing detector
1~ X
M/dCarry out 16 couples of described privates Y of touch-control sensing and the second touch-control sensing detector
1~ Y
N/d ' 'Carry out before the touch-control sensing, utilize first and transmit high pressure signal S
5, S
6To described the first wire D
1~ D
mAnd described the second wire G
1~ G
n, control the more arrangement of the degree of order of liquid crystal molecule of whole liquid crystal layer 31, so that the first touch-control sensing detector 15 and the second touch-control sensing detector 16 are respectively to described privates X
1~ X
M/dAnd described privates Y
1~ Y
N/d 'When carrying out touch detection, reduce or the unlikely interference that is subject to Liquid Crystal Molecules Alignment direction inequality, and can further promote described privates X
1~ X
M/dAnd/or described privates Y
1~ Y
N/d 'The accuracy of touch detection.
Certainly, above-described embodiment also can only be detected respectively described privates X with a touch-control sensing detector
1~ X
M/dAnd described privates Y
1~ Y
N/d 'On the touching signal, and the absolute value Jie＞=4V of above-mentioned high pressure signal, and being the bigger the better.
Moreover, it is worth mentioning that, before transmission touch-control sensing signal is given above-mentioned privates and privates, can be first with described privates and/or described privates ground connection, that is be connected to a common electric potential, such as the ground plane that connects a large electric capacity or large electric conductor or circuit board etc., make noise or electric leakage on described privates and/or the described privates can be eliminated via ground connection clean, whereby, can further improve the accuracy of described privates and described privates touch detection.
In sum, above-described embodiment is by on the wire of the initiative driving circuit that drives flat-panel screens, transmit the touch-control sensing signal on the wire that in initiative driving circuit, arranges in addition and at the capacitance touching control inductive layer of touch control display, position or intensity with the detecting touching, and the wire by in good time transmission high pressure signal to initiative driving circuit, wire or the partial electrode of the wire that arranges in addition in the initiative driving circuit and the pixel electrode layer of touch control display, or before transmitting the touch-control sensing signal, wire with initiative driving circuit, the wire that arranges in addition in the initiative driving circuit and the of short duration ground connection of capacitance touching control inductive layer of touch control display, the accuracy of touch detection be can improve, effect of the present invention and purpose really reached.
Claims (38)
1. one kind is transmitted and detects the method for touching sensor signal, be applied in the initiative driving circuit, this initiative driving circuit comprises the first wire of several parallel distributions, several second wires staggered with described the first wire and parallel distribution, described the first wire is provided one first signal, described the second wire is provided one second signal, it is characterized in that:
The method of this transmission and detecting touching sensor signal comprises:
By choosing several first wires in described the first wire as the first touch induction lines, and by choosing several second wires in described the second wire as the second touch induction lines;
When transmitting this first signal to described the first touch induction lines or transmitting this second signal to described the second touch induction lines, also transmit a touching sensor signal to described the first touch induction lines and described the second touch induction lines both at least one of them; And
Detect both signals on one of them at least of described the first touch induction lines and described the second touch induction lines, therefrom to capture the detection signal corresponding to this touching sensor signal, to judge position or the intensity that touching occurs.
2. the method for sensor signal is touched in transmission as claimed in claim 1 and detecting, it is characterized in that: when this touching sensor signal is transferred into described the first touch induction lines, this first signal is interval transmission of a very first time, this touching sensor signal be after this very first time interval or before the transmission of one second time interval.
3. the method for sensor signal is touched in transmission as claimed in claim 1 and detecting, it is characterized in that: when this touching sensor signal is transferred into described the second touch induction lines, this second signal is to transmit at one the 3rd time interval, this touching sensor signal be after the 3rd time interval or before the transmission of one the 4th time interval.
4. the method for sensor signal is touched in transmission as claimed in claim 1 and detecting, it is characterized in that: this touching sensor signal is transferred into described the second touch induction lines, this second signal can be a pulse or a square-wave signal, and this second signal be with this touching sensor signal smear after be transferred into again described the second touch induction lines.
5. the method for sensor signal is touched in transmission as claimed in claim 2 and detecting, it is characterized in that: one the 5th time interval before this second time interval also transmits a high pressure signal to described the first touch induction lines or described the first wire.
6. the method for transmission as claimed in claim 2 and detecting touching sensor signal is characterized in that: this touching sensor signal also with a high pressure signal smear after, be transferred into again described the first touch induction lines or described the first wire.
7. the method for sensor signal is touched in transmission as claimed in claim 3 and detecting, it is characterized in that: one the 6th time interval before the 4th time interval also transmits a high pressure signal to described the second touch induction lines or described the second wire.
8. the method for transmission as claimed in claim 3 and detecting touching sensor signal is characterized in that: this touching sensor signal also with a high pressure signal smear after, be resent to described the second touch induction lines or described the second wire.
9. the method for sensor signal is touched in transmission as claimed in claim 5 and detecting, it is characterized in that: this initiative driving circuit is to be applied to a display, and this high pressure signal also is applied in the pixel electrode in all or part of zone of a pixel electrode layer of this display.
10. the method for sensor signal is touched in transmission as claimed in claim 4 and detecting, and it is characterized in that: the frequency of this touching sensor signal is more than at least 30 times of frequency of this second signal.
11. the method for transmission as claimed in claim 1 and detecting touching sensor signal, it is characterized in that: this touching sensor signal is square wave, triangular wave or string ripple.
12. the method for transmission as claimed in claim 1 and detecting touching sensor signal, it is characterized in that: transmit this touch sensing signal to described the first touch induction lines and described the second touch induction lines both at least before one of them, also with described the first touch induction lines and described the second touch induction lines both at least one of them ground connection, connect a conductor or be connected to a large electric capacity.
13. the method for transmission as claimed in claim 1 and detecting touching sensor signal, it is characterized in that: a recording controller transmits this first signal to described the first wire, this recording controller also transmits this touching sensor signal to described the first touch induction lines, and the one scan controller transmits this second signal to described the second wire, and this scanning monitor also transmits this touching sensor signal to described the second touch induction lines, and a touch-control sensing detector and described the first touch induction lines electric coupling, to detect described the first touch induction lines and therefrom to capture this detection signal corresponding to this touching sensor signal, and this touch-control sensing detector and described the second touch induction lines electric coupling are to detect described the second touch induction lines and therefrom to capture this detection signal corresponding to this touching sensor signal.
14. such as claim 1 to 13 method of the described transmission of arbitrary claim and detecting touching sensor signal wherein, it is characterized in that: this initiative driving circuit is applied in the display, and one of them is the common-battery polar curve for described the first touch induction lines, described the second touch induction lines, this display also comprise one with the switching switch circuit of described common-battery polar curve electric coupling, it switches described common-battery polar curve as common electrode or as the line of induction that transmits this touching sensor signal according to the sequential of signal transmission.
15. such as claim 1 to 13 method of the described transmission of arbitrary claim and detecting touching sensor signal wherein, it is characterized in that: this initiative driving circuit is applied in the display, and drives a liquid crystal layer of this display by described the first wire, described the second wire.
16. display, has an initiative driving circuit, this initiative driving circuit comprises the first wire of several parallel distributions, several second wires staggered with described the first wire and parallel distribution, described the first wire is provided one first signal, described the second wire is provided one second signal, it is characterized in that:
This initiative driving circuit is used the method such as the described transmission of arbitrary claim in the claim 1 to 12 and detecting touching sensor signal.
17. display as claimed in claim 16 is characterized in that: this display is one to comprise the liquid crystal display of a liquid crystal layer, and drives this liquid crystal layer by described the first wire and described second wire of this initiative driving circuit.
18. display as claimed in claim 16 is characterized in that: this display is liquid crystal display, liquid crystal on silicon micro display, electric wetting display, electrophoresis display or organic light emitting diode display.
19. method that transmits and detect the touching sensor signal, be applied in the initiative driving circuit, this initiative driving circuit comprises the first wire of several parallel distributions, several second wires staggered with described the first wire and parallel distribution, several are located at inside, outside or the peripheral privates of this initiative driving circuit, and staggered inside, outside or the peripheral privates of being located at this initiative driving circuit of several and described privates, described the first wire is provided one first signal, described the second wire is provided one second signal, it is characterized in that:
The method of this transmission and detecting touching sensor signal comprises:
Transmit a high pressure signal and a touching sensor signal to described privates and described privates both at least one of them; And
Detect both signals on one of them at least of described privates and described privates, therefrom to capture the detection signal corresponding to this touching sensor signal, to judge position or the intensity that touching occurs.
20. the method for transmission as claimed in claim 19 and detecting touching sensor signal, it is characterized in that: first this high pressure signal synchronously is sent to described the first wire, described the second wire, described privates and described privates at least one of them, should touch again sensor signal synchronously be sent to described privates and described privates both at least one of them.
21. the method for transmission as claimed in claim 19 and detecting touching sensor signal is characterized in that: after this high pressure signal and this touching sensor signal smear, be resent to described privates and described privates both at least one of them.
22. the method for transmission as claimed in claim 19 and detecting touching sensor signal, it is characterized in that: in order at interval this high pressure signal that transmits of a very first time to described privates and described privates at least after one of them, transmit this touching sensor signal extremely described privates or described privates at one second time interval in order again.
23. the method for transmission as claimed in claim 19 and detecting touching sensor signal, it is characterized in that: described privates and described privates both one of them is interval to transmit this high pressure signal in a very first time at least, and this very first time interval after or before the transmission of one second time interval and detect this touching sensor signal.
24. such as claim 19 to 23 method of the described transmission of arbitrary claim and detecting touching sensor signal wherein, it is characterized in that: in transmit this touching sensor signal to described privates and described privates both at least one of them the time, also transmit this high pressure signal extremely described the first wire and described the second wire.
25. such as claim 19 to 23 method of the described transmission of arbitrary claim and detecting touching sensor signal wherein, it is characterized in that: this initiative driving circuit is to be applied to a display, and this high pressure signal also is applied in the pixel electrode in all or part of zone of a pixel electrode layer of this display.
26. such as claim 19 to 23 method of the described transmission of arbitrary claim and detecting touching sensor signal wherein, it is characterized in that: the Jue Dui Zhi＞=4V of this high pressure signal.
27. the method such as claim 22 or 23 described transmission and detecting touching sensor signal is characterized in that: this very first time Qu Jian＞=0.5ms.
28. the method for transmission as claimed in claim 19 and detecting touching sensor signal, it is characterized in that: transmit this touch-control sensing signal to described privates and privates both at least before one of them, also with described privates and privates both at least one of them ground connection, connect a conductor or connect a large electric capacity.
29. such as claim 19 to 23 method of the described transmission of arbitrary claim and detecting touching sensor signal wherein, it is characterized in that: this initiative driving circuit is applied in the display, and drives a liquid crystal layer of this display by described the first wire or described the second wire.
30. display, has an initiative driving circuit, this initiative driving circuit comprises the first wire of several parallel distributions, several second wires staggered with described the first wire and parallel distribution, several are located at inside, outside or the peripheral privates of this initiative driving circuit, and staggered inside, outside or the peripheral privates of being located at this initiative driving circuit of several and described privates, described the first wire is provided one first signal, described the second wire is provided one second signal, it is characterized in that:
This initiative driving circuit use as claim 19 to 29 wherein the method for sensor signal is touched in the described transmission of arbitrary claim and detecting.
31. display as claimed in claim 30 is characterized in that: this display is one to comprise the liquid crystal display of a liquid crystal layer, and drives this liquid crystal layer by described the first wire and described second wire of this initiative driving circuit.
32. display as claimed in claim 31, it is characterized in that: this liquid crystal display comprises that one provides the backlight module of light source, and the method also comprises: when transmitting this high pressure signal to described the first wire and described the second wire, or when transmitting this touch-control sensing signal to described privates or described privates, close or dim the light source of this backlight module.
33. display as claimed in claim 30 is characterized in that: this display is liquid crystal display, liquid crystal on silicon micro display, electric wetting display, electrophoresis display or organic light emitting diode display.
34. method that transmits and detect the touching sensor signal, be applied in a touch control display, this touch control display comprises that a liquid crystal display and is located at the capacitance touching control inductive layer of this liquid crystal display top, this liquid crystal display comprises the first wire of a liquid crystal layer, several parallel distributions, several second wires staggered with described the first wire and parallel distribution, and interval in a very first time, described the first wire is provided one first signal, at one the 3rd time interval, described the second wire is provided one second signal, to drive this liquid crystal layer; This capacitance touching control inductive layer comprises several privates, and the staggered privates of several and described privates, it is characterized in that:
The method of this transmission and detecting touching sensor signal comprises:
After this very first time interval or one second time interval before, transmit a high pressure signal to described the first wire and transmit a touching sensor signal to described privates, perhaps after the 3rd time interval or one the 4th time interval before, transmit a high pressure signal to described the second wire and transmit a touching sensor signal to described privates; And
Detect both signals on one of them at least of described privates and described privates, therefrom to capture the detection signal corresponding to this touching sensor signal, to judge position or the intensity that touching occurs.
35. the method for transmission as claimed in claim 34 and detecting touching sensor signal, it is characterized in that: this liquid crystal display comprises that one provides the backlight module of light source, and the method also comprises: when transmitting this high pressure signal to described the first wire or described the second wire, close or put the light source of dark this backlight module.
36. the method for transmission as claimed in claim 34 and detecting touching sensor signal, it is characterized in that: transmit this touch sensing signal to described privates and privates both at least before one of them, also with both one of them ground connection or connect a large electric capacity at least of described privates and described privates.
37. the method such as claim 34 or 35 described transmission and detecting touching sensor signal is characterized in that: this high pressure signal also is applied in the pixel electrode in all or part of zone of a pixel electrode layer of this liquid crystal display.
38. one kind is transmitted and the method for detecting touching sensor signal, is applied in the capacitance type touch control induction circuit, this capacitance touching control sensor circuit comprises several the first wires, and several and the second wire that described the first wire interlocks, and it is characterized in that:
The method of this transmission and detecting touching sensor signal comprises:
First with both one of them of short duration ground connection or connect a large electric capacity at least of described the first wire and described the second wire, transmit again a touching sensor signal to described the first wire and described the second wire both at least one of them; And
Detect both signals on one of them at least of described the first wire and described the second wire, therefrom capturing the detection signal corresponding to this touching sensor signal, and judge position or the intensity that touching occurs according to this.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100134974 | 2011-09-28 | ||
| TW100134974A TWI459278B (en) | 2011-09-28 | 2011-09-28 | Method of transmitting and detecting the touch sensing signal and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103034381A true CN103034381A (en) | 2013-04-10 |
| CN103034381B CN103034381B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210367572.4A Expired - Fee Related CN103034381B (en) | 2011-09-28 | 2012-09-27 | Method for transmitting and detecting touch sensing signal and display applying same |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103034381B (en) |
| DE (1) | DE102012217545A1 (en) |
| TW (1) | TWI459278B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104598086A (en) * | 2013-10-31 | 2015-05-06 | 矽统科技股份有限公司 | Capacitive touch device and sensing method thereof |
| CN106644140A (en) * | 2016-10-22 | 2017-05-10 | 钟贵洪 | Novel automotive water temperature sensor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104636009B (en) | 2013-11-08 | 2019-05-07 | 禾瑞亚科技股份有限公司 | transmitter and transmitting method thereof |
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| CN101458590A (en) * | 2007-12-10 | 2009-06-17 | 三星电子株式会社 | Touch sensing display device and driving method thereof |
| CN101738765A (en) * | 2008-11-24 | 2010-06-16 | 上海天马微电子有限公司 | Liquid crystal display panel, device and touch detection method of integrated touch screen |
| US20110115733A1 (en) * | 2009-11-19 | 2011-05-19 | Chimei Innolux Corporation | Touch sensing display device with in-cell touch panel |
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| US8217913B2 (en) * | 2009-02-02 | 2012-07-10 | Apple Inc. | Integrated touch screen |
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| US8791792B2 (en) * | 2010-01-15 | 2014-07-29 | Idex Asa | Electronic imager using an impedance sensor grid array mounted on or about a switch and method of making |
| TW201128509A (en) * | 2010-02-11 | 2011-08-16 | Polostar Technology Corp | Signal sensing stucture for touch panel |
| CN102183853B (en) * | 2011-05-20 | 2015-03-18 | 北京京东方光电科技有限公司 | Touch liquid crystal display screen |
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- 2011-09-28 TW TW100134974A patent/TWI459278B/en not_active IP Right Cessation
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2012
- 2012-09-27 CN CN201210367572.4A patent/CN103034381B/en not_active Expired - Fee Related
- 2012-09-27 DE DE102012217545A patent/DE102012217545A1/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101458590A (en) * | 2007-12-10 | 2009-06-17 | 三星电子株式会社 | Touch sensing display device and driving method thereof |
| CN101738765A (en) * | 2008-11-24 | 2010-06-16 | 上海天马微电子有限公司 | Liquid crystal display panel, device and touch detection method of integrated touch screen |
| US20110115733A1 (en) * | 2009-11-19 | 2011-05-19 | Chimei Innolux Corporation | Touch sensing display device with in-cell touch panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104598086A (en) * | 2013-10-31 | 2015-05-06 | 矽统科技股份有限公司 | Capacitive touch device and sensing method thereof |
| CN104598086B (en) * | 2013-10-31 | 2018-02-09 | 矽统科技股份有限公司 | Capacitive touch device and its method for sensing |
| CN106644140A (en) * | 2016-10-22 | 2017-05-10 | 钟贵洪 | Novel automotive water temperature sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201314546A (en) | 2013-04-01 |
| DE102012217545A1 (en) | 2013-03-28 |
| TWI459278B (en) | 2014-11-01 |
| CN103034381B (en) | 2017-04-12 |
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Effective date of registration: 20210513 Address after: Hongkong, China Patentee after: Green touch (Hong Kong) International Electronics Co.,Ltd. Address before: Hsinchu County, Taiwan, China Patentee before: Liu Hongda |
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