CN106095198B - A kind of touch control display apparatus, touch-control display panel and its driving method - Google Patents
A kind of touch control display apparatus, touch-control display panel and its driving method Download PDFInfo
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- CN106095198B CN106095198B CN201610692840.8A CN201610692840A CN106095198B CN 106095198 B CN106095198 B CN 106095198B CN 201610692840 A CN201610692840 A CN 201610692840A CN 106095198 B CN106095198 B CN 106095198B
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- control
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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
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
Abstract
The present invention provides a kind of touch control display apparatus, touch-control display panel and its driving method, including viewing area and non-display area, the non-display area is provided with driving chip, and the driving chip includes multiple first pins；Wherein, at least partly described first pin exports touching signals to the viewing area in the touch-control period in display time interval to the viewing area output data driving signal.It follows that same first pin can not only provide data drive signal to data line, but also touching signals can be provided to touch-control lead, so as to reduce the pin number on driving chip, and then the size and cost of driving chip can be reduced；Simultaneously, it is possible to reduce the quantity of non-display area cabling corresponding with the first pin S1 improves the light transmittance of non-display area, and sealant when preventing from making the touch-control display panel positioned at non-display area solidifies incomplete.
Description
Technical field
The present invention relates to display equipment technical fields, more specifically to a kind of touch control display apparatus, touch-control display surface
Plate and its driving method.
Background technique
Prior art discloses a kind of touch-control display panels, including the color membrane substrates being oppositely arranged and array substrate.With reference to
Fig. 1, Fig. 1 are the overlooking structure diagram of above-mentioned array substrate, which includes a plurality of grid line 10, multiple data lines
11, multiple pixel units 12, multiple touch control electrodes 13 and driving chip 14, wherein each data line 11 all with driving chip
14 pin S0 electrical connection, is transmitted to corresponding pixel unit 12 for the data drive signal that driving chip 14 exports；
The corresponding multiple pixel units 12 of each touch control electrode 13 are arranged, and each touch control electrode 13 passes through a touch-control lead 130
It is electrically connected with a pin S0' of driving chip 14, the touching signals of its output is received in the touch-control stage.
In order to improve the touch accuracy of touch-control display panel, touch control electrode 13 and touch-control lead 130 in array substrate
Quantity can increased, and correspondingly, the quantity of pin S0' can also increase therewith on driving chip 14, will lead to drive in this way
The size of chip 14 is larger, higher cost.
Summary of the invention
In view of this, the present invention provides a kind of touch control display apparatus, touch-control display panel and its driving method, to solve
The problem big, at high cost due to the more caused driving chip size of driving chip pin number in the prior art.
To achieve the above object, the invention provides the following technical scheme:
A kind of touch-control display panel, including viewing area and non-display area, the non-display area is provided with driving chip, described
Driving chip includes multiple first pins；
Wherein, at least partly described first pin is being touched in display time interval to the viewing area output data driving signal
The period is controlled to viewing area output touching signals.
A kind of touch control display apparatus, including as above described in any item touch-control display panels.
A kind of driving method of touch-control display panel is applied to touch-control display panel as described above, comprising:
First pin of display time interval, the driving chip drives to the viewing area output data of the touch-control display panel
Signal；
The first pin of touch-control period, the driving chip are believed to the viewing area of touch-control display panel output touch-control
Number.
Compared with prior art, the technical scheme provided by the invention has the following advantages:
Touch control display apparatus, touch-control display panel and its driving method provided by the present invention, driving chip include multiple
First pin, wherein at least partly the first pin in display time interval to viewing area output data driving signal, the touch-control period to
Viewing area exports touching signals.It follows that same first pin not only can provide data drive signal to data line, but also can
To provide touching signals to touch-control lead, so as to reduce the pin number on driving chip, and then driving core can be reduced
The size and cost of piece；Simultaneously, it is possible to reduce the quantity of non-display area cabling corresponding with the first pin S1 improves non-display area
Light transmittance, sealant solidification when preventing from making the touch-control display panel positioned at non-display area is incomplete.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the overlooking structure diagram of array substrate in existing touch-control display panel；
Fig. 2 is the overlooking structure diagram of touch-control display panel provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of control circuit and driving chip provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of another control circuit and driving chip provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of another control circuit and driving chip provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of another control circuit and driving chip provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of another control circuit and driving chip provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of another control circuit and driving chip provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of another control circuit and driving chip provided in an embodiment of the present invention；
Figure 10 is the structural schematic diagram of another control circuit and driving chip provided in an embodiment of the present invention；
Figure 11 is the structural schematic diagram of another control circuit and driving chip provided in an embodiment of the present invention；
Figure 12 is the overlooking structure diagram of a kind of touch-control lead and data line shown in Fig. 2；
Figure 13 is a kind of the schematic diagram of the section structure in Figure 12 along AA'；
Figure 14 is another the schematic diagram of the section structure in Figure 12 along AA'；
Figure 15 is another the schematic diagram of the section structure in Figure 12 along AA'；
Figure 16 is another the schematic diagram of the section structure in Figure 12 along AA'；
Figure 17 is another the schematic diagram of the section structure in Figure 12 along AA'；
Figure 18 is another the schematic diagram of the section structure in Figure 12 along AA'；
Figure 19 is the flow chart of the driving method of touch-control display panel provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of touch-control display panel, which includes color membrane substrates and array base
Plate, certainly, if the touch-control display panel in the present embodiment is liquid crystal display panel, between above-mentioned color membrane substrates and array substrate
It further include liquid crystal layer etc., details are not described herein.
As shown in Fig. 2, Fig. 2 is the overlooking structure diagram of touch-control display panel provided in an embodiment of the present invention, the touch-control
Display panel includes viewing area 20 and the non-display area 21 positioned at 20 surrounding of viewing area.
In the present embodiment, touch-control display panel includes a plurality of grid line 201 being arranged in array substrate and a plurality of data
Line 202, a plurality of grid line 201 and the insulation of multiple data lines 202 intersect the multiple pixel units 203 limited, each pixel list
Member 203 all includes the thin film transistor (TFT) and pixel electrode being arranged in array substrate.Wherein, thin film transistor (TFT) includes grid, source
Pole and drain electrode.Wherein, grid and grid line 201 are correspondingly connected with, source electrode and data line 202 are correspondingly connected with, are drained and pixel electrode
It is correspondingly connected with.The thin film transistor (TFT) can be opened under the control for the scanning signal that grid line 201 inputs, so that in data line 202
Data-signal be transferred in pixel electrode by source electrode and drain electrode so that between pixel electrode and public electrode formed driving picture
Plain unit 203 carries out the electric field of the display of image.
In addition, the viewing area 20 of the touch-control display panel further include be arranged in array substrate it is multiple in array arrange
Touch control electrode 204 and a plurality of touch-control lead 205, each touch control electrode 204 and at least one (one is schematically shown in figure
Item) touch-control lead 205 be connected, each touch control electrode 204 is correspondingly arranged with multiple pixel units 203, i.e., touch control electrode 204 exists
Projection in array substrate covers projection of multiple pixel units 203 in array substrate.In the present embodiment, only with touch control electrode
204, to be illustrated for block type electrode, still, are not limited to that.
In the present embodiment, non-display area 21 includes the driving chip 210 being arranged in array substrate, the driving chip 210
Including multiple first pin S1.Wherein, at least partly the first pin S1 drives to 20 output data of viewing area in display time interval and believes
Number, the touch-control period to viewing area 20 export touching signals.Specifically, at least partly the first pin S1 is in display time interval to display
The 202 output data driving signal of data line in area 20 is believed in the touch-control period to the touch-control lead 205 of viewing area 20 output touch-control
Number.
Wherein, if data line 202 is identical with the number of touch-control lead 205, the first whole pin S1 is in display
Section exports touching signals to touch-control lead 205 to 202 output data driving signal of data line, in the touch-control period.But if data
The item number of line 202 is greater than the item number of touch-control lead 205, then the first pin of part S1 is exported in display time interval to data line 202
Data drive signal, the touch-control period to touch-control lead 205 export touching signals, other first pins S1 only display time interval to
202 output data driving signal of data line.If the item number of data line 202 is less than the item number of touch-control lead 205, part first is drawn
Foot S1 exports touch-control letter to touch-control lead 205 to 202 output data driving signal of data line, in the touch-control period in display time interval
Number, other first pins S1 only exports touching signals to touch-control lead 205 in the touch-control period.
In the present embodiment, provided by the pin function for providing data drive signal to data line 202 and to touch-control lead 205
The pin function of touching signals has been integrated on the same pin i.e. the first pin S1, and by control circuit 30 control different when
The unlike signal of section the first pin S1 output is transferred on different cablings, so as to reduce the pin on driving chip 210
Quantity, and then the size and cost of driving chip can be reduced；Simultaneously, it is possible to reduce non-display area is corresponding with the first pin S1
The quantity of cabling improves the light transmittance of non-display area, positioned at the sealant of non-display area when preventing from making the touch-control display panel
Solidification is incomplete.
In the present embodiment, touch-control display panel further includes multiple control circuits 30, and with reference to Fig. 2, these control circuits 30 are set
It sets in array substrate, also, a data line 202 and a touch-control lead 205 pass through a control circuit 30 and driving core
One the first pin S1 of piece 210 is connected.The control circuit 30 includes first input end in1, the first output end out1 and second
Output end out2, wherein first input end in1 is connected with a first pin S1, and the first output end out1 draws with a touch-control
Line 205 is connected, and second output terminal out2 is connected with a data line 202.The control circuit 30 is used for first in display time interval
The touching signals that the data drive signal of pin S1 output is transmitted to data line 202, exports the first pin S1 in the touch-control period
It is transmitted to touch-control lead 205.
It in a specific embodiment, is a kind of control circuit 30 provided in an embodiment of the present invention with reference to Fig. 3, Fig. 3
With the structural schematic diagram of driving chip 210, which further includes the first control terminal g1 and first switch k1, wherein the
The first end of one switch k1 is connected with first input end in1, and the second end of first switch k1 is connected with the first output end out1, the
The control terminal of one switch k1 is connected with the first control terminal g1, and second output terminal out2 is connected with first input end in1.Also, it drives
Dynamic chip 210 further includes second pin S2, and second pin S2 is connected with the first control terminal g1 of all control circuits 30, is used for
Display time interval exports control signal control first switch k1 to the first control terminal g1 and disconnects, in the touch-control period to the first control terminal g1
Output control signal control first switch k1 conducting.
During driving chip 210 shown in Fig. 3 works, display time interval, second pin S2 is to the first control terminal g1
Output control signal control first switch k1 disconnect, the first pin S1 by first input end in1 and second output terminal out2 to
202 output data driving signal of data line；Touch-control period, second pin S2 export control signal control the to the first control terminal g1
One switch k1 conducting, the first pin S1 to touch-control lead 205 and are touched by the first switch k1 and the first output end out1 of conducting
It controls electrode 204 and exports touching signals.
It should be noted that in the present embodiment, the touch-control period, the first pin S1 also can by first input end in1 and
Second output terminal out2 exports touching signals to data line 202, but due to the touch-control period, as shown in Fig. 2, each pixel unit
Thin film transistor (TFT) in 203 is to close, therefore the touching signals in data line 202 can not pass under the control of grid line 201
It is defeated into pixel electrode, display will not be impacted.
In the present embodiment, touch control electrode 204 can also be multiplexed with public electrode in display time interval, at this point, in the present embodiment
Driving chip 210 further include third pin S3, third pin S3 is in display time interval to 20 outputting common voltage signal of viewing area；
The control circuit 30 is also used to that the third pin S3 public voltage signal exported is transmitted to touch-control lead 205 in display time interval.
Based on this, with reference to Fig. 4, Fig. 4 is another control circuit 30 provided in an embodiment of the present invention and driving chip 210
Structural schematic diagram, it includes first input end in1, the first output end out1, second output terminal out2, first which, which removes,
It further include the second control terminal g2, the second input terminal in2 and second switch k2 except control terminal g1 and first switch k1.
Wherein, the first end of second switch k2 is connected with the second input terminal in2, the second end of second switch k2 and first defeated
Outlet out1 is connected, and the control terminal of second switch k2 is connected with the second control terminal g2；Third pin S3 and all control circuits 30
The second input terminal in2 be connected.Driving chip 210 further includes the 4th pin S4, the 4th pin S4 and all control circuits 30
Second control terminal g2 is connected, for exporting control signal control second switch k2 conducting to the second control terminal g2 in display time interval,
Control signal control second switch k2 is exported to the second control terminal g2 in the touch-control period to disconnect.
During driving chip 210 shown in Fig. 4 works, display time interval, second pin S2 is to the first control terminal g1
Output control signal control first switch k1 disconnect, the first pin S1 by first input end in1 and second output terminal out2 to
202 output data driving signal of data line, meanwhile, the 4th pin S4 exports control signal control second to the second control terminal g2 and opens
K2 conducting is closed, third pin S3 is by the second switch k2 of conducting to 204 outputting common voltage of data lead 205 and touch control electrode
Signal, so that touch control electrode 204 is multiplexed with public electrode；Touch-control period, second pin S2 are exported to the first control terminal g1 and are controlled
Signal controls first switch k1 conducting, and the first pin S1 is drawn by the first switch k1 be connected and the first output end out1 to touch-control
Line 205 and touch control electrode 204 export touching signals, meanwhile, the 4th pin S4 exports control signal control to the second control terminal g2
Second switch k2 is disconnected.
It is that the present invention is real with reference to Fig. 5 or Fig. 6, Fig. 5 on the basis of control circuit 30 and driving chip 210 shown in Fig. 3
The structural schematic diagram of another control circuit 30 and driving chip 210 of example offer is applied, Fig. 6 is provided in an embodiment of the present invention another
A kind of structural schematic diagram of control circuit 30 and driving chip 210, it includes first input end in1, first which, which removes,
It further include third switch k3 except output end out1, second output terminal out2, the first control terminal g1 and first switch k1.
Alternatively, being this with reference to Fig. 7 or Fig. 8, Fig. 7 on the basis of control circuit 30 shown in Fig. 4 and driving chip 210
The structural schematic diagram of another control circuit 30 and driving chip 210 that inventive embodiments provide, Fig. 8 mention for the embodiment of the present invention
The structural schematic diagram of another control circuit 30 and driving chip 210 that supply, it includes first input end which, which removes,
It is in1, the first output end out1, second output terminal out2, the first control terminal g1, first switch k1, the second control terminal g2, second defeated
Enter to hold except in2 and second switch k2, further includes third switch k3.
Wherein, first input end in1 is connected by third switch k3 with second output terminal out2, specifically, third switch
The first end of k3 is connected with first input end in1, and the second end of third switch k3 is connected with second output terminal out2.Based on this,
In the touch-control period, can be disconnected by control third switch k3, the touching signals to avoid the first pin S1 from exporting are transmitted to data
Line 202, and then the signal in data line 202 is avoided to generate interference to the touching signals in touch-control lead 205.
When third switch k3 is opposite with the Continuity signal of first switch k1, i.e., the Continuity signal of first switch k1 is low electricity
Ordinary mail number, third switch k3 Continuity signal be high level signal, alternatively, the Continuity signal of first switch k1 be high level believe
Number, the Continuity signal of third switch k3 is when being low level signal, as shown in Fig. 5 or Fig. 7, the control terminal and first of third switch k3
Control terminal g1 is connected directly.
When third switch k3 is identical as the Continuity signal of first switch k1, i.e. third switch k3 and first switch k1's leads
Messenger is all low level signal, alternatively, when the Continuity signal of third switch k3 and first switch k1 are all high level signal, such as
Shown in Fig. 6 or Fig. 8, the control terminal of third switch k3 is connected by the first phase inverter f1 with the first control terminal g1.Wherein, first is anti-
It is high level signal alternatively, by the first control terminal that the effect of phase device f1, which is by the low level signal reverse phase of the first control terminal g1 output,
The high level signal reverse phase of g1 output is low level signal.It certainly, can also be by the in other of the invention optional embodiments
The control terminal of one switch k1 is connected by a phase inverter with the first control terminal g1, and this is not limited by the present invention.
During Fig. 5 works to driving chip 210 shown in Fig. 8, display time interval, second pin S2 is controlled to first
Control third switch k3 conducting while holding g1 output control signal control first switch k1 to disconnect, the first pin S1 pass through conducting
Third switch k3 to 202 output data driving signal of data line；Touch-control period, second pin S2 are exported to the first control terminal g1
Control third switch k3 is disconnected while controlling signal control first switch k1 conducting, and the first pin S1 is opened by the first of conducting
It closes k1 and exports touching signals to touch-control lead 205 and touch control electrode 204.
In any control circuit 30 shown in above-mentioned Fig. 4, Fig. 7 and Fig. 8, the 4th pin S4 and second pin S2 are driving
The different pins of chip 210, still, in order to reduce the quantity of pin, the 4th pin S4 and second pin S2 may be to drive
The same pin S2/S4 of dynamic chip 210.
When the Continuity signal of first switch k1 and second switch k2 are opposite, i.e., the Continuity signal of first switch k1 is low electricity
Ordinary mail number, second switch k2 Continuity signal be high level signal, alternatively, the Continuity signal of first switch k1 be high level believe
Number, the Continuity signal of second switch k2 is when being low level signal, with reference to Fig. 9, Fig. 9 is another control provided in an embodiment of the present invention
The structural schematic diagram of circuit 30 and driving chip 210 processed, pin S2/S4 can directly with the first control terminal g1 and the second control terminal
G2 is connected.
When first switch k1 is identical with the Continuity signal of second switch k2, i.e. first switch k1 and second switch k2's leads
Messenger is all high level signal, alternatively, when the Continuity signal of first switch k1 and second switch k2 are all low level signal, ginseng
Figure 10 is examined, Figure 10 is the structural schematic diagram of another control circuit 30 and driving chip 210 provided in an embodiment of the present invention, this draws
Foot S2/S4 is directly connected with the first control terminal g1, and pin S2/S4 passes through the second phase inverter f2 and the second control terminal g2 phase
Even；Alternatively, Figure 11 is the structure of another control circuit 30 and driving chip 210 provided in an embodiment of the present invention with reference to Figure 11
Schematic diagram, pin S2/S4 are directly connected with the second control terminal g2, and the pin passes through the second phase inverter f2 and the first control terminal
G1 is connected.Wherein, it is low level signal that the effect of the second phase inverter f2, which is the high level signal reverse phase for exporting pin S2/S4,
Alternatively, the low level signal reverse phase that pin S2/S4 is exported is high level signal.
Based on any of the above embodiments, the touch-control lead 205 in the present embodiment includes positioned at the of viewing area 20
One touch-control lead 205a and the second touch-control lead 205b positioned at non-display area 21, data line 202 include being located at viewing area 20
First data line 202a and the second data line 202b positioned at non-display area 21, with reference to Figure 12, Figure 12 is one kind shown in Fig. 2
The overlooking structure diagram of touch-control lead and data line is as shown in figure 12 the first data line in dotted line frame region
202a and the first touch-control lead 205a.Wherein, positioned at the of the second touch-control lead 205b of non-display area 21 and control circuit 30
One output end out1 is connected directly, and the second data line 202b and the second output terminal out2 of control circuit 30 are connected directly.Also,
It is electrical isolation between touch-control lead 205 and data line 202, details are not described herein.
With reference to Figure 13, Figure 13 is a kind of the schematic diagram of the section structure in Figure 12 along AA', the first touch-control lead 205a and first
Data line 202a is located in the different structure sheafs of touch-control display panel, the second touch-control lead 205b and the second data line 202b
In the different structure sheafs in the array substrate of touch-control display panel, the first touch-control lead 205a and the second touch-control lead 205b
It is located on the same floor, and the first touch-control lead 205a is connected with the second touch-control lead 205b；First data line 202a and the second data
Line 202b is located on the same floor, and the first data line 202a is connected with the second data line 202b.It is understood that AA' institute is in place
It is set to the first data line 202a and the second data line 202b connecting place and the first touch-control lead 205a and the second touch-control lead 205b
Connecting place.
With reference to Figure 14, Figure 14 is another the schematic diagram of the section structure in Figure 12 along AA', the first touch-control lead 205a and the
One data line 202a is located on the same floor, and the second touch-control lead 205b and the second data line 202b are located at the array of touch-control display panel
In different structure sheafs on substrate, the first touch-control lead 205a passes through the first via hole 205c and the second touch-control lead 205b phase
Even, the first data line 202a is connected by the second via hole 202c with the second data line 202b.
With reference to Figure 15, Figure 15 is another the schematic diagram of the section structure in Figure 12 along AA', the first touch-control lead 205a and the
One data line 202a is located on the same floor, and the second touch-control lead 205b and the second data line 202b are located at the array of touch-control display panel
In different structure sheafs on substrate, the first touch-control lead 205a passes through third via hole 205c' and the second touch-control lead 205b phase
Even, the first data line 202a is located on the same floor with the second data line 202b, and the first data line 202a and the second data line 202b
It is connected.
With reference to Figure 16, Figure 16 is another the schematic diagram of the section structure in Figure 12 along AA', the first touch-control lead 205a and the
One data line 202a is located on the same floor, and the second touch-control lead 205b and the second data line 202b are located at the array of touch-control display panel
In different structure sheafs on substrate, the first touch-control lead 205a is located on the same floor with the second touch-control lead 205b, and the first touching
Control lead 205a is connected with the second touch-control lead 205b, and the first data line 202a passes through the 4th via hole 202c' and the second data line
202b is connected.
Optionally, in the structure shown in Figure 13-Figure 16, the second touch-control lead 205b is perpendicular to touch-control display panel side
Upward projection at least partly covers the second data line 202b perpendicular to the projection on touch-control display panel direction, is based on this,
The density of cabling in same layer can be reduced, improve the light transmittance that driving chip 210 binds area.
Certainly, the present invention is not limited to this, is in Figure 12 with reference to Figure 17, Figure 17 in another embodiment
Along another the schematic diagram of the section structure of AA', the first touch-control lead 205a and the first data line 202a are located at touch-control display panel
Different structure sheafs in, the second touch-control lead 205b and the second data line 202b are located at the same structure layer of touch-control display panel
In, the first touch-control lead 205a is connected by the 5th via hole 205c " with the second touch-control lead 205b, and the first data line 202a passes through
6th via hole 202c " is connected with the second data line 202b, similar, in the present embodiment, is also possible to the first data line
202a is located on the same floor with the second data line 202b and is connected or the first touch-control lead 205a and 205b, the second touch-control lead
In same layer and it is connected, details are not described herein again.
With reference to Figure 18, Figure 18 is another the schematic diagram of the section structure in Figure 12 along AA', the second touch-control lead 205b and the
Two data line 202b are located in the same structure layer of touch-control display panel, the first touch-control lead 205a and the first data line 202a
In same layer, the first touch-control lead 205a is located on the same floor with the second touch-control lead 205b, and the first touch-control lead 205a and
Two touch-control lead 205b are connected；First data line 202a is located on the same floor with the second data line 202b, and the first data line 202a
It is connected with the second data line 202b.
It should be noted that the switch in the embodiment of the present invention is PMOS tube or NMOS tube, and the first end switched is MOS
The source electrode of pipe, second end are the drain electrode of metal-oxide-semiconductor, the grid that control terminal is metal-oxide-semiconductor.
Wherein, when third switch k3 is opposite with the Continuity signal of first switch k1, third switch k3 and first switch k1
In one be PMOS tube, another is NMOS tube；When third switch k3 is identical as the Continuity signal of first switch k1, third
Switch k3 and first switch k1 is PMOS tube, or is all NMOS tube.
Equally, when the Continuity signal of first switch k1 and second switch k2 are opposite, first switch k1 and second switch k2
In one be PMOS tube, another is NMOS tube；When first switch k1 is identical with the Continuity signal of second switch k2, first
Switch k1 and second switch k2 is PMOS tube, or is all NMOS tube.
Touch-control display panel provided by the present invention, driving chip include multiple first pins, wherein at least partly first
Pin, to viewing area output data driving signal, exports touching signals to viewing area in the touch-control period, thus may be used in display time interval
To know, same first pin can not only provide data drive signal to data line, but also can provide touching signals to touch-control lead,
So as to reduce the pin number on driving chip, and then the size and cost of driving chip can be reduced；Meanwhile it can subtract
The quantity of few non-display area cabling corresponding with the first pin S1, improves the light transmittance of non-display area, prevents from making the touch-control showing
It is incomplete to show that sealant when panel positioned at non-display area solidifies.
The embodiment of the invention also provides a kind of touch control display apparatus, which includes any of the above-described embodiment
The touch-control display panel of offer.Cost is relatively low for the touch control display apparatus, more conducively the popularization of product.
The embodiment of the invention also provides a kind of driving methods of touch-control display panel, are applied to any of the above-described touch-control and show
Panel, with reference to Figure 19, Figure 19 is the flow chart of the driving method of touch-control display panel provided in an embodiment of the present invention, the driving side
Method includes:
S101: display time interval, the first pin of driving chip drives to the viewing area output data of touch-control display panel to be believed
Number；
S102: the first pin of touch-control period, driving chip export touching signals to the viewing area of touch-control display panel.
When the control circuit of touch-control display panel includes first input end, the first control terminal, the first output end, the second output
When end and first switch, with reference to Fig. 3, the driving method further include:
Display time interval, the second pin of driving chip export control signal control first switch to the first control terminal and disconnect,
So that data drive signal is transmitted to the data line of touch-control display panel by the first pin；
The second pin of touch-control period, driving chip export control signal control first switch conducting to the first control terminal,
So that touching signals are transmitted to the touch-control lead of touch-control display panel by the first switch of conducting by the first pin.
When the control circuit of touch-control display panel includes first input end, the first control terminal, the second input terminal, the second control
When end, the first output end, second output terminal, first switch and the second switch, with reference to Fig. 4, the driving method further include:
4th pin in display stage, driving chip exports control signal control second switch conducting to the second control terminal,
So that public voltage signal is transmitted to the touch-control lead of touch-control display panel by the third pin of driving chip；
Touch-control period, the 4th pin of driving chip export control signal control second switch to the second control terminal and disconnect.
On this basis, when the control circuit of touch-control display panel further includes third switch, with reference to Fig. 5 to Fig. 8, the drive
Dynamic method further include:
Display time interval, second pin export control signal to the first control terminal and control third switch conduction, and the first pin is logical
The third for crossing conducting is switched to data line output data driving signal；
The touch-control period, second pin exports control signal control third switch to the first control terminal and disconnects, to avoid first
The touching signals of pin output are transmitted to data line, and then the signal in data line is avoided to produce the touching signals in touch-control lead
Raw interference.
The driving method of touch-control display panel provided by the present invention, display time interval, the first pin of driving chip is to touching
Control the viewing area output data driving signal of display panel, the touch-control period, the first pin of driving chip is to touch-control display panel
Viewing area export touching signals.It follows that same first pin can not only provide data drive signal to data line, but also
Touching signals can be provided to touch-control lead, so as to reduce the pin number on driving chip, and then driving can be reduced
The size and cost of chip；Simultaneously, it is possible to reduce the quantity of non-display area cabling corresponding with the first pin S1 improves non-display
The light transmittance in area, sealant when preventing from making the touch-control display panel positioned at non-display area solidify incomplete.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.It is right
A variety of modifications of these embodiments will be readily apparent to those skilled in the art, and as defined herein one
As principle can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will
It will not be intended to be limited to the embodiments shown herein, and be to fit to consistent with the principles and novel features disclosed herein
Widest scope.
Claims (15)
1. a kind of touch-control display panel, which is characterized in that including viewing area and non-display area, the non-display area is provided with driving
Chip, the driving chip include multiple first pins；
Wherein, at least partly described first pin in display time interval to the viewing area output data driving signal, in touch-control
Section exports touching signals to the viewing area；The touch-control display panel includes multiple data lines, a plurality of touch-control lead and multiple
Control circuit；
Each control circuit includes first input end, the first output end and second output terminal, the first input end with
One first pin is connected, and first output end is connected with a touch-control lead, the second output terminal and one
Data line described in item is connected；
The control circuit is used to be transmitted to the data drive signal that first pin exports in display time interval described
The touching signals that first pin exports are transmitted to the touch-control lead in the touch-control period by data line；The control
Circuit further includes the first control terminal and first switch；
The first end of the first switch is connected with the first input end, the second end of the first switch and described first defeated
Outlet is connected, and the control terminal of the first switch is connected with first control terminal；
The second output terminal is connected with the first input end；
The driving chip further includes second pin, first control terminal of the second pin and all control circuits
It is connected, is disconnected for exporting the control signal control first switch to first control terminal in display time interval, in touch-control
Section exports control signal to first control terminal and controls the first switch conducting.
2. touch-control display panel according to claim 1, which is characterized in that the touch-control display panel further includes multiple touchings
Electrode is controlled, each touch control electrode is connected at least one touch-control lead, and the touch control electrode is in display time interval
It is multiplexed with public electrode；
The driving chip further includes third pin, and the third pin is in display time interval to the viewing area outputting common voltage
Signal；
The control circuit is also used to that the public voltage signal that the third pin exports is transmitted to the touching in display time interval
Control lead.
3. touch-control display panel according to claim 2, which is characterized in that the control circuit further includes the second control
End, the second input terminal and second switch；
The first end of the second switch is connected with second input terminal, the second end of the second switch and described first defeated
Outlet is connected, and the control terminal of the second switch is connected with second control terminal；
The third pin is connected with second input terminal of all control circuits；
The driving chip further includes the 4th pin, second control terminal of the 4th pin and all control circuits
It is connected, the second switch conducting is controlled for exporting control signal to second control terminal in display time interval, in touch-control
Section exports control signal to second control terminal and controls the second switch disconnection.
4. touch-control display panel according to claim 1 or 3, which is characterized in that the control circuit further includes that third is opened
It closes, the first input end is switched by the third to be connected with the second output terminal；
Wherein, the first end of third switch is connected with the first input end, the second end that the third switchs with it is described
Second output terminal is connected；
When third switch is identical as the Continuity signal of the first switch, the control terminal of the third switch passes through first
Phase inverter is connected with first control terminal；
When third switch is opposite with the Continuity signal of the first switch, the control terminal of third switch and described the
One control terminal is connected directly.
5. touch-control display panel according to claim 3, which is characterized in that the 4th pin and the second pin are
Same pin；
When the Continuity signal of the first switch and the second switch is opposite, the pin directly with first control terminal
It is connected with second control terminal；
When the first switch is identical with the Continuity signal of the second switch, the pin directly with first control terminal
It is connected, and the pin is connected by the second phase inverter with second control terminal, alternatively, the pin is directly with described second
Control terminal is connected, and the pin is connected by the second phase inverter with first control terminal.
6. touch-control display panel according to claim 1, which is characterized in that the touch-control lead includes being located at the display
The first touch-control lead in area and the second touch-control lead positioned at the non-display area, the data line include being located at the viewing area
The first data line and the second data line positioned at the non-display area；
The second touch-control lead and second data line bit are described in the different structure sheafs of the touch-control display panel
There is insulating layer between second touch-control lead and second data line.
7. touch-control display panel according to claim 6, which is characterized in that the second touch-control lead is perpendicular to described
Projection on touch-control display panel direction at least partly covers second data line perpendicular to the touch-control display panel side
Upward projection.
8. touch-control display panel according to claim 6 or 7, which is characterized in that the first touch-control lead and described
One data line bit is in the different structure sheafs of the touch-control display panel；
The first touch-control lead is located on the same floor with the second touch-control lead, and the first touch-control lead and described second
Touch-control lead is connected；
First data line is located on the same floor with second data line, and first data line and second data line
It is connected.
9. touch-control display panel according to claim 6 or 7, which is characterized in that the first touch-control lead and described
One data line is located on the same floor；
The first touch-control lead is connected by the first via hole with the second touch-control lead, and first data line passes through second
Via hole is connected with second data line；
Alternatively, the first touch-control lead is connected by third via hole with the second touch-control lead, first data line and
Second data line is located on the same floor, and first data line is connected with second data line；
Alternatively, the first touch-control lead is located on the same floor with the second touch-control lead, and the first touch-control lead and institute
It states the second touch-control lead to be connected, first data line is connected by the 4th via hole with second data line.
10. touch-control display panel according to claim 1, which is characterized in that the touch-control lead includes being located at described show
Show that the first touch-control lead in area and the second touch-control lead positioned at the non-display area, the data line include being located at the display
First data line in area and the second data line positioned at the non-display area, the second touch-control lead and second data line
In the same structure layer of the touch-control display panel；
The first touch-control lead and first data line bit are described in the different structure sheafs of the touch-control display panel
First touch-control lead is connected by the 5th via hole with the second touch-control lead, and first data line passes through the 6th via hole and institute
The second data line is stated to be connected；
Alternatively, the first touch-control lead and first data line are located on the same floor, the first touch-control lead and described the
Two touch-control leads are located on the same floor, and the first touch-control lead is connected with the second touch-control lead, first data line
It is located on the same floor with second data line, and first data line is connected with second data line.
11. touch-control display panel according to claim 2, which is characterized in that the touch control electrode is block type electrode；It is described
Multiple touch control electrodes are arranged in array.
12. a kind of touch control display apparatus, which is characterized in that including the described in any item touch-control display panels of claim 1 to 11.
13. a kind of driving method of touch-control display panel, which is characterized in that it is described in any item to be applied to claim 1 to 11
Touch-control display panel, comprising:
Display time interval, the first pin of the driving chip drives to the viewing area output data of the touch-control display panel to be believed
Number, the second pin of the driving chip exports control signal to first control terminal and controls the first switch disconnection, with
Make first pin that the display signal to be transmitted to the data line of the touch-control display panel；
The first pin of touch-control period, the driving chip export touching signals, institute to the viewing area of the touch-control display panel
The second pin for stating driving chip exports control signal to first control terminal and controls the first switch conducting, so that described
The touching signals are transmitted to the touch-control lead of the touch-control display panel by the first switch of conducting by the first pin.
14. driving method according to claim 13, which is characterized in that when the control circuit packet of the touch-control display panel
Include first input end, the first control terminal, the second input terminal, the second control terminal, the first output end, second output terminal, first switch
When with second switch, the driving method further include:
Display stage, the 4th pin of the driving chip export control signal control described second to second control terminal and open
Conducting is closed, so that the third pin of the driving chip draws the touch-control that public voltage signal is transmitted to the touch-control display panel
Line；
Touch-control period, the 4th pin of the driving chip export control signal control described second to second control terminal and open
Shutdown is opened.
15. driving method according to claim 13, which is characterized in that when the touch-control display panel control circuit also
When including third switch, the driving method further include:
Display time interval, the second pin of the driving chip export the control signal control third switch to the first control terminal and lead
Logical, the first pin of the driving chip is switched by the third be connected to the data line output data driving signal；
The touch-control period, the second pin of the driving chip exports control signal and control the third and switch to the first control terminal breaks
It opens.
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| CN106782380B (en) * | 2016-12-28 | 2020-05-26 | 上海中航光电子有限公司 | Display panel, driving method thereof and display device |
| CN107424558B (en) * | 2017-06-22 | 2020-04-03 | 上海中航光电子有限公司 | Light-emitting drive circuit and organic light-emitting display panel |
| KR102407758B1 (en) | 2017-10-27 | 2022-06-10 | 엘지디스플레이 주식회사 | Touch display device and display panel |
| KR20200078136A (en) * | 2018-12-21 | 2020-07-01 | 엘지디스플레이 주식회사 | Touch display panel and touch display device |
| CN110058736B (en) * | 2019-03-27 | 2022-05-17 | 武汉华星光电半导体显示技术有限公司 | Flexible touch panel |
| CN113409688B (en) * | 2021-06-10 | 2023-07-25 | 京东方科技集团股份有限公司 | Display panel, preparation method and display device |
| WO2023230913A1 (en) * | 2022-05-31 | 2023-12-07 | 京东方科技集团股份有限公司 | Touch display device |
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