CN203849723U - Capacitance type embedded touch screen and display device - Google Patents
Capacitance type embedded touch screen and display device Download PDFInfo
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- CN203849723U CN203849723U CN201420278560.9U CN201420278560U CN203849723U CN 203849723 U CN203849723 U CN 203849723U CN 201420278560 U CN201420278560 U CN 201420278560U CN 203849723 U CN203849723 U CN 203849723U
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Abstract
The utility model discloses a capacitance type embedded touch screen and a display device. At least one grid line or at least one data line is multiplexed to be a first touch sensing electrode. Multiple public electrodes which are independent of one another intersect the first touch sensing electrode. At least one public electrode is multiplexed to be a second touch sensing electrode. In this way, the touch function can be achieved without additionally arrangement of a new film on an array substrate. As a result, the masking frequency can be reduced during manufacturing, the thickness of the touch screen is reduced, and production cost is reduced. Besides, a certain time period is reserved to be used as touch time during switching of a frame, and namely the time-sharing driving mode is adopted in a touch time period and a display time period. Mutual interference between display signals and touch driving signals can also be avoided, and therefore the quality of a displayed image and the touch precision are guaranteed.
Description
Technical field
The utility model relates to display technique field, relates in particular to the embedded touch-screen of a kind of condenser type and display device.
Background technology
Touch-screen can be divided into according to composition structure: external hanging type touch-screen (Add on Mode Touch Panel), covering surfaces formula touch-screen (On Cell Touch Panel), and embedded touch-screen (In Cell Touch Panel).Wherein, embedded touch-screen is the inside that the touch-control electrode of touch-screen is arranged on to LCDs, and thickness that can attenuate module entirety can reduce again the cost of manufacture of touch-screen greatly.Touch-screen can be divided into according to principle of work: resistive touch screen and capacitive touch screen etc.Wherein, capacitive touch screen is supported multi-point touch function, has higher transmittance and lower overall power, and its surface of contact hardness is high, and serviceable life is longer.
At present, the embedded touch-screen of existing condenser type is realized by directly increase in addition touch-control sweep trace and touch induction lines on existing array base palte, make the crossing strip shaped electric poles of two-layer mutual antarafacial on the surface of array base palte, this two-layer electrode as touch-control drive wire and the touch induction lines of touch-screen, forms mutual capacitance in the antarafacial intersection of two strip electrodes respectively.Its course of work is: in the time that the electrode to as touch-control drive wire loads touch-control driving signal, detect the voltage signal that touch induction lines is coupled out by mutual capacitance, in this process, in the time having human body contact touch-screen, people's bulk electric field will act in mutual capacitance, and the capacitance of mutual capacitance is changed, and then changes the voltage signal that touch induction lines is coupled out, according to the variation of voltage signal, just can determine contact position.
In the structural design of the embedded touch-screen of above-mentioned condenser type, due to needs newly-increased touch-control sweep trace and touch induction lines on existing array base palte, can increase like this mask number of times in manufacture craft, increase the thickness of touch-screen, thereby increase production cost; And, the touch-control that loads on newly-increased touch-control sweep trace drive signal can and array base palte in phase mutual interference between original display, affect the quality of display frame and the precision of touch-control.
Therefore, how reducing the mask number of times in manufacture craft, reduce the thickness of touch-screen, and avoid touch-control to drive phase mutual interference between signal and display, is the technical matters that those skilled in the art need solution badly.
Utility model content
In view of this, the utility model embodiment provides the embedded touch-screen of a kind of condenser type and display device, in order to reduce the mask number of times in manufacture craft, reduces the thickness of touch-screen, and avoids touch-control to drive phase mutual interference between signal and display.
Therefore, the utility model embodiment provides a kind of condenser type embedded touch-screen, comprise: the array base palte with grid line and data line, and the subtend substrate put relative with described array base palte, and be positioned at the common electrode layer of described subtend real estate to described array base palte one side or described array base palte towards described subtend substrate one side;
Data line described in grid line described at least one or at least one is multiplexed with to the first touch-sensing electrode;
Described common electrode layer, by putting with described the first touch-sensing electrode crossing and many separate public electrodes form, is multiplexed with the second touch-sensing electrode by public electrode described at least one;
In the touch-control time period, each described the first touch-sensing electrode is loaded to touch-control and drive signal, touch-control drives voltage signal the output of signal described in described the second touch-sensing electrode coupling; Or, each described the second touch-sensing electrode being loaded to touch-control and drive signal, touch-control drives voltage signal the output of signal described in described the first touch-sensing electrode coupling.
The embedded touch-screen of above-mentioned condenser type that the utility model embodiment provides, due at least one grid line or at least one data line are multiplexed with to the first touch-sensing electrode, separate many public electrodes and the first touch-sensing electrode crossing and put, at least one public electrode is multiplexed with to the second touch-sensing electrode, like this, need on array base palte, not increase new rete and just can realize touch controllable function, thereby can reduce the mask number of times in manufacture craft, the thickness that reduces touch-screen, reduces production costs; And, in a frame Picture switch process, the reserved regular hour is as the touch-control time, the mode that adopts timesharing to drive in touch-control time period and displaying time section, can also avoid display and touch-control to drive phase mutual interference between signal, thereby can ensure the quality of display frame and the precision of touch-control.
Preferably, realize the sensitivity of touch-control for the above-mentioned touch-screen that improves the utility model embodiment and provide, the bearing of trend of described the first touch-sensing electrode is mutually vertical with the bearing of trend of described the second touch-sensing electrode.
Preferably, in order to reduce the resistance of public electrode, thereby the decay of the signal that reduces to transmit on public electrode, in the above-mentioned touch-screen providing at the utility model embodiment, every described public electrode comprises: the public sub-electrode of multiple bulks, and the public electrode wire that each described public sub-electrode is electrical connected along the bearing of trend of described public electrode.
Further, in order to reduce the capacitive coupling between public electrode and the first touch-sensing electrode, in the above-mentioned touch-screen providing at the utility model embodiment, each described public sub-electrode and the orthogonal projection non-overlapping copies of each described the first touch-sensing electrode on described array base palte.
Preferably, in the touch-control time period, close in order to make the thin film transistor (TFT) being connected with data line with grid line, to avoid touch-screen display frame, in the above-mentioned touch-screen providing at the utility model embodiment, when grid line described at least one is multiplexed with to the first touch-sensing electrode, the described touch-control loading in the touch-control time period drives signal contrary with the polarity of the gated sweep signal each described grid line being loaded in displaying time section;
When data line described at least one is multiplexed with to the first touch-sensing electrode, respectively each described grid line is loaded to opposite polarity voltage signal in the touch-control time period with in displaying time section.
Particularly, in the above-mentioned touch-screen providing at the utility model embodiment, also comprise:
With each described grid line electric connection and for each described grid line being loaded to the first display driver circuit of gated sweep signal;
With each described data line electric connection and for each described data line being loaded to the second display driver circuit of GTG signal;
With each described public electrode electric connection and for each described public electrode being loaded to the 3rd display driver circuit of public electrode voltages signal;
And be electrically connected with described the first touch-sensing electrode and described the second touch-sensing electrode, drive signal and receive touch-control described in each described the second touch-sensing electrode coupling for each described the first touch-sensing electrode being loaded to described touch-control the voltage signal that drives signal, or each described the second touch-sensing electrode is loaded to described touch-control drive signal and receive touch-control described in each described the first touch-sensing electrode coupling the touch-control driving circuit that drives the voltage signal of signal.
Preferably, in order to simplify the manufacture craft of touch-screen, reduce production costs, in the above-mentioned touch-screen providing at the utility model embodiment, when grid line described at least one is multiplexed with to the first touch-sensing electrode, described the first display driver circuit, described the 3rd display driver circuit and described touch-control driving circuit are a driving circuit;
When data line described at least one is multiplexed with to the first touch-sensing electrode, described the second display driver circuit, described the 3rd display driver circuit and described touch-control driving circuit are a driving circuit.
The utility model embodiment also provides a kind of display device, comprises the embedded touch-screen of above-mentioned condenser type that the utility model embodiment provides.
Brief description of the drawings
Fig. 1 a and Fig. 1 b are respectively the side view of the embedded touch-screen of condenser type that the utility model embodiment provides;
Fig. 2 a and Fig. 2 b are respectively one of vertical view of the embedded touch-screen of condenser type that the utility model embodiment provides;
Fig. 3 a and Fig. 3 b be respectively the embedded touch-screen of condenser type that the utility model embodiment provides vertical view two;
Fig. 4 a and Fig. 4 b are respectively the structural representation of the driving circuit in the embedded touch-screen of condenser type that the utility model embodiment provides;
Fig. 5 a and Fig. 5 b are respectively the structural representation of the driving circuit of the embedded touch-screen of condenser type in the utility model example one and example two;
Fig. 6 a and Fig. 6 b are respectively the driving sequential schematic diagram of the embedded touch-screen of condenser type in the utility model example one and example two.
Embodiment
Below in conjunction with accompanying drawing, the embedded touch-screen of condenser type that the utility model embodiment is provided and the embodiment of display device are described in detail.
The embedded touch-screen of a kind of condenser type that the utility model embodiment provides, as shown in Fig. 1 a and Fig. 1 b, comprise: the array base palte 1 with grid line and data line, and the subtend substrate 2 put relative with array base palte 1, and be positioned at the common electrode layer 3 of subtend substrate 2 towards array base palte 1 one sides (as shown in Figure 1a) or array base palte 1 towards subtend substrate 2 one sides (as shown in Figure 1 b);
At least one grid line 4 (as shown in Figure 2 a) or at least one data line 5 (as shown in Figure 2 b) are multiplexed with to the first touch-sensing electrode;
Common electrode layer 3, by putting with the first touch-sensing electrode crossing and separate many public electrodes 6 form (Fig. 2 a and Fig. 2 b comprise that taking common electrode layer 34 public electrodes 6 describe as example), is multiplexed with the second touch-sensing electrode by least one public electrode 6;
In a frame Picture switch process, in the touch-control time period, each the first touch-sensing electrode is loaded to touch-control and drive signal, the second touch-sensing electrode coupling touch-control drives voltage signal the output of signal; Or, each the second touch-sensing electrode being loaded to touch-control and drive signal, the first touch-sensing electrode coupling touch-control drives voltage signal the output of signal.
The embedded touch-screen of above-mentioned condenser type that the utility model embodiment provides, due at least one grid line 4 or at least one data line 5 are multiplexed with to the first touch-sensing electrode, separate many public electrodes 6 and the first touch-sensing electrode crossing and put, at least one public electrode 6 is multiplexed with to the second touch-sensing electrode, like this, need on array base palte 1, not increase new rete and just can realize touch controllable function, thereby can reduce the mask number of times in manufacture craft, the thickness that reduces touch-screen, reduces production costs; And, in a frame Picture switch process, the reserved regular hour is as the touch-control time, the mode that adopts timesharing to drive in touch-control time period and displaying time section, can also avoid display and touch-control to drive phase mutual interference between signal, thereby can ensure the quality of display frame and the precision of touch-control.
In the specific implementation, as shown in Figure 1a, the above-mentioned touch-screen that the utility model embodiment provides can be applied to twisted nematic (Twisted Nematic, TN) type LCDs, and common electrode layer 3 is positioned at the side of subtend substrate 2 towards array base palte 1; Or, as shown in Figure 1 b, the above-mentioned touch-screen that the utility model embodiment provides also can be applied to senior super dimension field switch (Advanced Super Dimension, ADS) type LCDs, be that common electrode layer 3 is positioned at the side of array base palte 1 towards subtend substrate 2, do not limit at this.The above-mentioned touch-screen applications providing taking the utility model embodiment below describes in ADS type LCDs as example.
The above-mentioned touch-screen that the utility model embodiment provides in the specific implementation, separate many public electrodes 6 and the first touch-sensing electrode crossing and put, the angle between each public electrode 6 and the first touch-sensing electrode can for be greater than zero arbitrarily angled; At least one public electrode 6 is multiplexed with to the second touch-sensing electrode, the angle between the first touch-sensing electrode and the second touch-sensing electrode can for be greater than zero arbitrarily angled, do not limit at this.
Preferably, in order to improve the sensitivity of touch-control of the above-mentioned touch-screen that the utility model embodiment provides, ensure its touch-control precision, as shown in Figure 2 a and 2 b, bearing of trend that can the first touch-sensing electrode is set to mutually vertical with the bearing of trend of the second touch-sensing electrode.As shown in Figure 2 a, in the time that at least one grid line 4 is multiplexed with to the first touch-sensing electrode, the bearing of trend of each public electrode 6 is mutually vertical with the bearing of trend of each grid line 4; Or as shown in Figure 2 b, in the time that at least one data line 5 is multiplexed with to the first touch-sensing electrode, the bearing of trend of each public electrode 6 is mutually vertical with the bearing of trend of each data line 5.Like this, not only can ensure that the above-mentioned touch-screen that the utility model embodiment provides has good touch-control sensitivity and touch-control precision, and, in the manufacturing process of the above-mentioned touch-screen providing at the utility model embodiment, be convenient to make common electrode layer 3, can simplify the manufacture craft of touch-screen.
In the specific implementation, as shown in Figure 2 a and 2 b, each public electrode 6 is specifically as follows strip electrode to the above-mentioned touch-screen that the utility model embodiment provides.Preferably, in order to reduce the resistance of each public electrode 6, thereby reduce the decay of the signal of transmission on each public electrode 6, as shown in Figure 3 a and Figure 3 b shows, every public electrode 6 specifically can comprise: the public sub-electrode 7 of multiple bulks, and the public electrode wire 8 that each public sub-electrode 7 is electrical connected along the bearing of trend of public electrode 6.Because the cross-sectional area of public electrode wire 8 is significantly less than the cross-sectional area of public electrode 6, therefore, the mode that adopts public electrode wire 8 to be electrically connected the public sub-electrode 7 of multiple bulks can reduce the resistance of public electrode 6, thereby can reduce the decay of the signal of transmission on public electrode 6.
Further, when the public sub-electrode 7 of each bulk and the first orthogonal projection of touch-sensing electrode on array base palte 1 have overlapped region, region overlapped between the public sub-electrode 7 of each bulk and the first touch-sensing electrode will form just to electric capacity, just can exert an influence to the touch-control sensitivity of touch-screen to electric capacity, therefore, form for fear of between the public sub-electrode 7 of each bulk and the first touch-sensing electrode the touch-control sensitivity that just electric capacity is being affected touch-screen, in the above-mentioned touch-screen providing at the utility model embodiment, can each public sub-electrode 7 and each the first touch-sensing electrode be set to the orthogonal projection non-overlapping copies on array base palte 1.As shown in Figure 3 a, when at least one grid line 4 is multiplexed with to the first touch-sensing electrode, each public sub-electrode 7 can be set to the orthogonal projection non-overlapping copies on array base palte 1 with the grid line 4 that is multiplexed with the first touch-sensing electrode; As shown in Figure 3 b, when at least one data line 5 is multiplexed with to the first touch-sensing electrode, each public sub-electrode 7 can be set to the orthogonal projection non-overlapping copies on array base palte 1 with the data line 5 that is multiplexed with the first touch-sensing electrode.Especially, the touch-screen of structure is particularly useful for large-sized display device as shown in Figure 3 a and Figure 3 b shows, for example: notebook computer or tabletop display etc.
The above-mentioned touch-screen that the utility model embodiment provides in the specific implementation, in displaying time section, respectively each grid line 4 is loaded to gated sweep signal line by line, control successively the each thin film transistor (TFT) being connected with each row grid line 4 in opening, show thereby can realize pixel.Particularly, when at least one grid line 4 is multiplexed with to the first touch-sensing electrode, can drive the polarity of signal to be set to contrary with the polarity of the gated sweep signal each grid line 4 being loaded in displaying time section at the touch-control that the touch-control time period loads, like this, in the touch-control time period, can make the thin film transistor (TFT) being connected with data line 5 with grid line 4 in closed condition, thereby avoid touch-screen in the display frame of touch-control time period; Or, when at least one data line 5 is multiplexed with to the first touch-sensing electrode, can load opposite polarity voltage signal to each grid line 4 respectively in the touch-control time period with in displaying time section; Like this, in the touch-control time period, can make the thin film transistor (TFT) being connected with data line 5 with grid line 4 in closed condition, thereby avoid touch-screen in the display frame of touch-control time period.
Particularly, the above-mentioned touch-screen that the utility model embodiment provides in the specific implementation, describe as an example of the touch-screen of structure as shown in Figure 2 a and 2 b example, as shown in Fig. 4 a and Fig. 4 b, can also comprise: be electrically connected with each grid line 4 and for each grid line 4 being loaded to the first display driver circuit 9 of gated sweep signal; Be electrically connected with each data line 5 and for each data line 5 being loaded to the second display driver circuit 10 of GTG signal; Be electrically connected with each public electrode 6 and for each public electrode 6 being loaded to the 3rd display driver circuit 11 of public electrode voltages signal; And be electrically connected with the first touch-sensing electrode and the second touch-sensing electrode, drive signal and receive each the second touch-sensing electrode coupling touch-control for each the first touch-sensing electrode being loaded to touch-control the voltage signal that drives signal, or each the second touch-sensing electrode loading touch-control is driven to signal and receive each the first touch-sensing electrode coupling touch-control the touch-control driving circuit 12 that drives the voltage signal of signal.
The above-mentioned touch-screen that the utility model embodiment provides in the specific implementation, in order to simplify the manufacture craft of touch-screen, reduces production costs, and the chip of the chip of display driver and touch-control driving can be integrated.When at least one grid line 4 is multiplexed with to the first touch-sensing electrode, describe as an example of the touch-screen of structure as shown in Figure 2 a example, as shown in Figure 5 a, the first display driver circuit 9, the 3rd display driver circuit 11 and touch-control driving circuit 12 can be set to a driving circuit 13.Driving circuit 13 at one time section subchannel is exported different signals: in displaying time section, passage corresponding with grid line 4 in driving circuit 13 is exported gated sweep signal, the passage output common electrode signal corresponding with public electrode 6; In the touch-control time period, the passage output touch-control corresponding with grid line 4 drives signal, the passage coupling touch-control corresponding with public electrode 6 drives voltage signal the output of signal, or, the passage output touch-control corresponding with public electrode 6 drives signal, and the passage coupling touch-control corresponding with grid line 4 drives voltage signal the output of signal.
Or, when at least one data line 5 is multiplexed with to the first touch-sensing electrode, taking the touch-screen of structure as shown in Figure 2 b as example describes, as shown in Figure 5 b, the second display driver circuit 10, the 3rd display driver circuit 11 and touch-control driving circuit 12 can be set to a driving circuit 13.In like manner, driving circuit 13 at one time section subchannel is exported different signals: in displaying time section, driving circuit 13 is to the passage output GTG signal corresponding with data line 5, to the passage output common electrode signal corresponding with public electrode 6; In the touch-control time period, the passage output touch-control corresponding with data line 5 driven to signal, the passage coupling touch-control corresponding with public electrode 6 drives voltage signal the output of signal, or, the passage output touch-control corresponding with public electrode 6 driven to signal, and the passage coupling touch-control corresponding with data line 5 drives voltage signal the output of signal.
The specific implementation in above-mentioned touch-screen the utility model embodiment being provided below by two concrete examples, the chip of the chip of display driver and touch-control driving being integrated is described in detail.
Example one: all grid lines 4 are multiplexed with to the first touch-sensing electrode, all public electrodes 6 are multiplexed with to the second touch-sensing electrode, and drive signal so that each the first touch-sensing electrode is loaded to touch-control, the second touch-sensing electrode coupling touch-control drives the voltage signal of signal and is output as example and describes.
Touch-screen correspondence in this example driving sequential chart as shown in Figure 6 a, touch-screen is shown to the time of each frame (V-sync) is divided into displaying time section and touch-control time period, in example driving sequential chart as shown in Figure 6 a, touch-screen shows that the time of a frame is 16.7ms, choose wherein 5ms as the touch-control time period, other 11.7ms is as displaying time section, the duration that can certainly suitably adjust according to the processing power of chip both, is not specifically limited at this.In displaying time section, driving circuit 13 is to every grid line Gate1 in touch-screen, Gate2 ... Gaten applies gated sweep signal successively, and each public electrode Vcom is applied to constant common electrode signal, the second display driver circuit 10 applies GTG signal to data line Data, realizes crystal display.In the touch-control time period, driving circuit 13 is to the grid line Gate1 as the first touch-sensing electrode, Gate2 ... Gaten loads touch-control and drives signal Tx (T1, T2 ... Tn), drive voltage signal Rx (R1, the R2 of signal as the public electrode Vcom coupling touch-control of the second touch-sensing electrode ... Rn) also output.
And, as shown in Figure 6 a, the touch-control loading in the touch-control time period drives signal Tx (T1, T2 ... Tn) with in displaying time section to each grid line Gate1, Gate2 ... the polarity of the gated sweep signal that Gaten applies is successively contrary, in the touch-control time period to the each grid line Gate1 as the first touch-sensing electrode, Gate2 ... the touch-control that Gaten loads drives signal Tx (T1, T2 ... Tn) with in displaying time section to each grid line Gate1, Gate2 ... the polarity of the gated sweep signal that Gaten applies is successively contrary, like this, can make the thin film transistor (TFT) that is connected with data line with grid line in the touch-control time period in closed condition, thereby avoid touch-screen in the display frame of touch-control time period, avoid affecting the display quality of touch-screen display frame.
Example two: all data lines 5 are multiplexed with to the first touch-sensing electrode, all public electrodes 6 are multiplexed with to the second touch-sensing electrode, and drive signal so that each the first touch-sensing electrode is loaded to touch-control, the second touch-sensing electrode coupling touch-control drives the voltage signal of signal and is output as example and describes.As shown in Figure 5 b, the chip of the chip of display driver and touch-control driving is integrated, be about to the second display driver circuit 10, the 3rd display driver circuit 11 and touch-control driving circuit 12 and be set to a driving circuit 13.
Touch-screen correspondence in this example driving sequential chart as shown in Figure 6 b, touch-screen is shown to the time of each frame (V-sync) is divided into displaying time section and touch-control time period, in example driving sequential chart as shown in Figure 6 b, touch-screen shows that the time of a frame is 16.7ms, choose wherein 5ms as the touch-control time period, other 11.7ms is as displaying time section, the duration that can certainly suitably adjust according to the processing power of chip both, is not specifically limited at this.In displaying time section, the first display driver circuit 9 is to every grid line Gate1 in touch-screen, Gate2 ... Gaten applies gated sweep signal successively, driving circuit 13 applies GTG signal to data line Data, and public electrode Vcom is applied to constant common electrode signal, realize crystal display.In the touch-control time period, driving circuit 13 loads touch-control to the data line Data as the first touch-sensing electrode and drives signal Tx (T1, T2 ... Tn), drive voltage signal Rx (R1, the R2 of signal as the public electrode Vcom coupling touch-control of the second touch-sensing electrode ... Rn) also output.
And, as shown in Figure 6 b, the first display driver circuit 9 in displaying time section to each grid line Gate1, Gate2 ... Gaten loads gated sweep signal successively, in the touch-control time period to each grid line Gate1, Gate2 ... Gaten loads zero voltage signal, like this, can make the thin film transistor (TFT) that is connected with data line with grid line in the touch-control time period in closed condition, thereby avoid touch-screen in the display frame of touch-control time period, avoid affecting the display quality of touch-screen display frame.
Based on same utility model design, the utility model embodiment also provides a kind of display device, comprise the embedded touch-screen of above-mentioned condenser type that the utility model embodiment provides, this display device can be: any product or parts with Presentation Function such as mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.The enforcement of this display device can be referring to the embodiment of the embedded touch-screen of above-mentioned condenser type, repeats part and repeats no more.
The embedded touch-screen of a kind of condenser type and display device that the utility model embodiment provides, due at least one grid line or at least one data line are multiplexed with to the first touch-sensing electrode, separate many public electrodes and the first touch-sensing electrode crossing and put, at least one public electrode is multiplexed with to the second touch-sensing electrode, like this, need on array base palte, not increase new rete and just can realize touch controllable function, thereby can reduce the mask number of times in manufacture craft, the thickness that reduces touch-screen, reduces production costs; And, in a frame Picture switch process, the reserved regular hour is as the touch-control time, the mode that adopts timesharing to drive in touch-control time period and displaying time section, can also avoid display and touch-control to drive phase mutual interference between signal, thereby can ensure the quality of display frame and the precision of touch-control.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if these amendments of the present utility model and within modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (8)
1. the embedded touch-screen of condenser type, comprise: the array base palte with grid line and data line, and the subtend substrate put relative with described array base palte, and be positioned at the common electrode layer of described subtend real estate to described array base palte one side or described array base palte towards described subtend substrate one side; It is characterized in that:
Data line described in grid line described at least one or at least one is multiplexed with to the first touch-sensing electrode;
Described common electrode layer, by putting with described the first touch-sensing electrode crossing and many separate public electrodes form, is multiplexed with the second touch-sensing electrode by public electrode described at least one;
In a frame Picture switch process, in the touch-control time period, each described the first touch-sensing electrode is loaded to touch-control and drive signal, touch-control drives voltage signal the output of signal described in described the second touch-sensing electrode coupling; Or, each described the second touch-sensing electrode being loaded to touch-control and drive signal, touch-control drives voltage signal the output of signal described in described the first touch-sensing electrode coupling.
2. touch-screen as claimed in claim 1, is characterized in that, the bearing of trend of described the first touch-sensing electrode is mutually vertical with the bearing of trend of described the second touch-sensing electrode.
3. touch-screen as claimed in claim 1, is characterized in that, every described public electrode comprises: the public sub-electrode of multiple bulks, and the public electrode wire that each described public sub-electrode is electrical connected along the bearing of trend of described public electrode.
4. touch-screen as claimed in claim 3, is characterized in that, each described public sub-electrode and the orthogonal projection non-overlapping copies of each described the first touch-sensing electrode on described array base palte.
5. the touch-screen as described in claim 1-4 any one, it is characterized in that, when grid line described at least one is multiplexed with to the first touch-sensing electrode, the described touch-control loading in the touch-control time period drives signal contrary with the polarity of the gated sweep signal each described grid line being loaded in displaying time section;
When data line described at least one is multiplexed with to the first touch-sensing electrode, respectively each described grid line is loaded to opposite polarity voltage signal in the touch-control time period with in displaying time section.
6. the touch-screen as described in claim 1-4 any one, is characterized in that, also comprises:
With each described grid line electric connection and for each described grid line being loaded to the first display driver circuit of gated sweep signal;
With each described data line electric connection and for each described data line being loaded to the second display driver circuit of GTG signal;
With each described public electrode electric connection and for each described public electrode being loaded to the 3rd display driver circuit of public electrode voltages signal;
And be electrically connected with described the first touch-sensing electrode and described the second touch-sensing electrode, drive signal and receive touch-control described in each described the second touch-sensing electrode coupling for each described the first touch-sensing electrode being loaded to described touch-control the voltage signal that drives signal, or each described the second touch-sensing electrode is loaded to described touch-control drive signal and receive touch-control described in each described the first touch-sensing electrode coupling the touch-control driving circuit that drives the voltage signal of signal.
7. touch-screen as claimed in claim 6, is characterized in that, when grid line described at least one is multiplexed with to the first touch-sensing electrode, described the first display driver circuit, described the 3rd display driver circuit and described touch-control driving circuit are a driving circuit;
When data line described at least one is multiplexed with to the first touch-sensing electrode, described the second display driver circuit, described the 3rd display driver circuit and described touch-control driving circuit are a driving circuit.
8. a display device, is characterized in that, comprises the embedded touch-screen of condenser type as described in claim 1-7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420278560.9U CN203849723U (en) | 2014-05-28 | 2014-05-28 | Capacitance type embedded touch screen and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420278560.9U CN203849723U (en) | 2014-05-28 | 2014-05-28 | Capacitance type embedded touch screen and display device |
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| CN203849723U true CN203849723U (en) | 2014-09-24 |
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| CN201420278560.9U Expired - Fee Related CN203849723U (en) | 2014-05-28 | 2014-05-28 | Capacitance type embedded touch screen and display device |
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| CN (1) | CN203849723U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015180286A1 (en) * | 2014-05-28 | 2015-12-03 | 京东方科技集团股份有限公司 | Capacitive embedded touch panel, display device and drive method therefor |
| CN105182582A (en) * | 2015-09-07 | 2015-12-23 | 京东方科技集团股份有限公司 | In-cell touch screen and display device |
| CN107358930A (en) * | 2017-08-31 | 2017-11-17 | 京东方科技集团股份有限公司 | A kind of In-cell touch panel, its driving method and display device |
-
2014
- 2014-05-28 CN CN201420278560.9U patent/CN203849723U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015180286A1 (en) * | 2014-05-28 | 2015-12-03 | 京东方科技集团股份有限公司 | Capacitive embedded touch panel, display device and drive method therefor |
| US9823788B2 (en) | 2014-05-28 | 2017-11-21 | Boe Technology Group Co., Ltd. | Capacitive in-cell touch panel, display device, and driving method |
| CN105182582A (en) * | 2015-09-07 | 2015-12-23 | 京东方科技集团股份有限公司 | In-cell touch screen and display device |
| CN105182582B (en) * | 2015-09-07 | 2019-03-05 | 京东方科技集团股份有限公司 | A kind of In-cell touch panel and display device |
| CN107358930A (en) * | 2017-08-31 | 2017-11-17 | 京东方科技集团股份有限公司 | A kind of In-cell touch panel, its driving method and display device |
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