CN105867691A - Touch display panel and drive method thereof, and touch display screen - Google Patents
Touch display panel and drive method thereof, and touch display screen Download PDFInfo
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- CN105867691A CN105867691A CN201610231589.5A CN201610231589A CN105867691A CN 105867691 A CN105867691 A CN 105867691A CN 201610231589 A CN201610231589 A CN 201610231589A CN 105867691 A CN105867691 A CN 105867691A
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- control
- control electrode
- drive signal
- display panel
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a touch display panel and a drive method thereof, and a touch display screen. A particular embodiment of the touch display panel includes: a substrate base plate; a plurality of touch electrodes formed on the substrate base plate and arranged in a matrix form; a plurality of diodes in one-to-one correspondence with the touch electrodes; at least one touch drive signal line for providing the touch electrodes with touch detection signals; and a plurality of touch receiving signal lines in one-to-one corresponding connection with the touch electrodes and which are used to receive the signals output by the touch electrodes; wherein, positive electrodes of the diodes are connected with one touch drive signal line, and negative electrodes of the diodes are in one-to-one corresponding connection with the touch electrodes. This embodiment can provide increased signal-to-noise ratio and reduced power consumption of the display panel.
Description
Technical field
The application relates to Display Technique field, is specifically related to technical field of touch-control display, especially relates to
And touch-control display panel and driving method, touching display screen.
Background technology
Capacitive touch display screen touches principle according to it can be divided into surface capacitance type touch screen and throwing
Penetrate formula touch-screen.And projection-type touch-screen can be further divided into self-capacitance touch screen and
Mutual capacitance type touch screen.
In existing a kind of self-capacitance touch screen, touch control electrode is multiplexed with public affairs in the display stage
Common electrode.Fig. 1 shows the schematic structure of existing a kind of self-tolerant touch-screen.Such as Fig. 1
Shown in, touch screen 100 includes underlay substrate 10, in matrix arrangement touch control electrode 11 and
The touching signals line 12 connected one to one with touch control electrode 11.In the display stage, touch-control electricity
Pole 11, as public electrode, receives the common electric voltage needed for display by touching signals line 12；
Touching detection-phase, touch control electrode 11 is received by touching signals line 12 and touches detection signal,
And the touch sensible signal detected is transmitted to testing circuit by touching signals line 12.Touching
Touching in the display screen course of work, touching signals line 12 is as input channel and output channel, by driving
The control of dynamic circuit, in public voltage signal input, touches detection signal input and touches sense
Induction signal three kinds of states of output constantly switch, due to public voltage signal, touches detection signal
And the current potential of touch sensible signal is unequal, many next states switching of touching signals line 12 can be made
Become the loss of signal, cause drive circuit power consumption to increase.
Summary of the invention
In view of this, it is desired to be able to a kind of battle array reducing touching signals line states switching times is provided
Row substrate, to reduce the power consumption of drive circuit.In order to solve above-mentioned technical problem, the application carries
Touch-control display panel and driving method, touching display screen are supplied.
First aspect, this application provides a kind of touch-control display panel, described touch-control display panel
Including: underlay substrate；The multiple touch control electrode being formed on described underlay substrate, described touch-control
Electrode is arranged in arrays；Diodes the most multiple with described touch control electrode；At least one
Touch-control drive signal line, for providing touch control detection signal to described touch control electrode；And with institute
State a plurality of touch-control reception holding wire that touch control electrode connects one to one, be used for receiving described touch-control
The signal of electrode output；Wherein, positive pole and a described touch-control of described diode drives signal
Line connects, and the negative pole of described diode connects one to one with described touch control electrode.
Second aspect, this application provides a kind of driving method, for driving such as the application first
The touch-control display panel that aspect provides, described touch control electrode is multiplexed with public electrode, described driving
Method includes: provides to described touch-control drive signal line and touches detection signal or public voltage signal.
The third aspect, this application provides a kind of touching display screen, including such as the application first party
The touch-control display panel that face provides.
The touch-control display panel of the application offer and driving method, touching display screen, by increasing
Add touch-control drive signal line, and by diode, touch-control drive signal line be connected with touch control electrode,
The signal input channel making each touch control electrode separates with signal output channels, it is possible to reduce to
Touch control electrode is transmitted the quantity of the holding wire of signal and reduces touching signals line in switching input and output
The loss of signal caused during state, thus promote signal to noise ratio, reduce the power consumption of display floater.
Accompanying drawing explanation
Non-limiting example is described in detail with reference to what the following drawings was made by reading, this Shen
Other features, objects and advantages please will become more apparent upon:
Fig. 1 is the schematic diagram of existing a kind of self-tolerant touch-screen.
Fig. 2 is the structural representation of an embodiment of the touch-control display panel that the application provides；
Fig. 3 is the structural representation of another embodiment of the touch-control display panel that the application provides
Figure；
Fig. 4 is the structural representation of the further embodiment of the touch-control display panel that the application provides
Figure；
Fig. 5 is the structural representation of another embodiment of the touch-control display panel that the application provides
Figure；
Fig. 6 is a work schedule schematic diagram of touch-control display panel shown in Fig. 4；
Fig. 7 is another work schedule schematic diagram of touch-control display panel shown in Fig. 4.
Detailed description of the invention
With embodiment, the application is described in further detail below in conjunction with the accompanying drawings.It is appreciated that
, specific embodiment described herein is used only for explaining related invention, rather than to this
Bright restriction.It also should be noted that, for the ease of describe, accompanying drawing illustrate only with
About the part that invention is relevant.
It should be noted that in the case of not conflicting, the embodiment in the application and embodiment
In feature can be mutually combined.Describe this below with reference to the accompanying drawings and in conjunction with the embodiments in detail
Application.
Refer to Fig. 2, it illustrates an embodiment of the touch-control display panel that the application provides
Structural representation.As in figure 2 it is shown, touch-control display panel 200 includes underlay substrate 20, shape
Become the multiple touch control electrode 21 on underlay substrate 20 the most multiple with touch control electrode
Diode 22, at least one touch-control drive signal line 23 and with touch control electrode one_to_one corresponding even
The a plurality of touch-control connect receives holding wire 24.Wherein, touch control electrode 21 is arranged in arrays, touch-control
Drive signal line 23 is for providing touch control detection signal to touch control electrode 21, and touch-control receives signal
Line 24 is for receiving the signal of touch control electrode 21 output.The positive pole of diode 22 and a touch-control
Drive signal line 23 connects, and the negative pole of diode 22 connects one to one with touch control electrode 21.
In the present embodiment, touch-control drive signal line 23, as input channel, is touching detection rank
Section inputs touch control detection signal to touch control electrode 21；It is logical as output that touch-control receives holding wire 24
Road, is touching the signal output that detection-phase will sense in touch control electrode.In fig. 2, touch
Control receive holding wire SX21, SX22, SX23, SX24, SX25, SX26, SX27, SX28,
SX29, SX210, SX211, SX212 connect one to one with touch control electrode, are respectively used to
Receive the signal of the touch control electrode output of each correspondence.Owing to diode 22 has the spy of one-way conduction
Property so that touch-control drive signal line 23 is only capable of touching to touch control electrode 21 transmission as input channel
Control detection signal, the signal that touch control electrode 21 produces will not pass through touch-control drive signal line 23
Output, can only receive holding wire 24 by touch-control and export, and thus achieves touch detection-phase letter
Number input channel and the separation of output channel.Touch-control drive signal line 23 can touch detection rank
Duan Chixu touches detection signal to touch control electrode 21 input, and touch-control receives holding wire 24 can be
Touch detection-phase and persistently receive the signal of touch control electrode 21 output, touch-control drive signal line 23
With touch-control reception holding wire 24 without switching in input and output state, thus avoid switching
The loss of signal produced during state, reduces the power consumption of touch-control display panel.
In some optional implementations, touch control detection signal is pulse signal, believes in pulse
Number pulse width in, touch-control drive signal line 23 input high level signal, now diode is led
Logical, it is filled with high level signal, touch control electrode storage signal to touch control electrode 21；At pulse signal
Pulse width outside, touch-control drive signal line 23 input low level signal, now diode cut-off,
The signal of touch control electrode 21 storage will not be run off by touch-control drive signal line 23.
Touch control electrode 21 can be multiplexed with public electrode, and in the display stage, public electrode can carry
For the common electric voltage needed for display.Touch-control drive signal line 23 can be also used for the display stage to
Public electrode provides public voltage signal.Public voltage signal can be a constant voltage letter
Number, in the display stage, touch-control drive signal line 23 is permanent to public electrode transmission as input channel
Fixed voltage signal.
In certain embodiments, touch control electrode 21 includes at least one touch control electrode group, such as, scheme
The first touch control electrode group 211 and the second touch control electrode group 212 shown in 2.Diode 22 includes
With touch control electrode group one to one at least one diode group, such as Fig. 2 show and the
First diode group 221 of one touch control electrode group 211 correspondence, and with the second touch control electrode group
Second diode group 222 of 212 correspondences.The quantity of touching signals line 23 and the number of diode group
Measuring equal, each diode group is connected with a touch-control drive signal line 23 respectively, such as Fig. 2
In the first diode group 221 be connected with touch-control drive signal line ST21, the second diode group 222
It is connected with touch-control drive signal line ST22.By touch control electrode and diode are grouped,
It does not interfere with each other between the input channel of each group touch control electrode, can be in the not same district of touch-control display panel
Territory carries out showing and touching detection the most respectively, thus adds in the time of display one frame picture
Display floater receives the time of touch control detection signal, it is possible to effectively promote the sensitivity touching detection.
Additionally, due to touch-control drive signal line is equal with the quantity of touch control electrode group, therefore input channel
Quantity reduce, reduce the power consumption of display floater.
Further, at VT (Visual Test, visual test) stage, touch-control display panel
On touch control electrode, diode, touch-control drive signal line and touch-control receive holding wire not with driving
IC (integrated circuit, integrated circuit) connects, and is typically employed in each in existing design
Connect change-over switch on bar touching signals line and provide common electric voltage to panel, or use physics
Method touch control electrode is linked together thus by the less all touch-controls of touching signals alignment
Electrode provides the method for common electric voltage to carry out display and drives, and passes through laser scanning again after connecting IC
Method separates each touch control electrode.And above-described embodiment of the application can lead in the touch-control display stage
Cross touch-control drive signal line to whole panel provide public voltage signal, touch-control drive signal line with
The quantity of touch control electrode group is identical, can directly apply to touch-control drive signal line in the VT stage
Public voltage signal, it is not necessary to touching signals line or touch control electrode are connected to one by additive method
Rise, reduce the complexity of VT test.
With further reference to Fig. 3, it illustrates another of the touch-control display panel that the application provides
The structural representation of embodiment.As it is shown on figure 3, touch-control display panel 300 includes underlay substrate
30, be formed on underlay substrate 30, multiple touch control electrode 31 arranged in arrays and touch-control
The most multiple diode of electrode 31 32, touch-control drive signal line 33 and a touch-control
Receive holding wire 34.Wherein, touch-control receives holding wire 34 and includes and touch control electrode 31 1 a pair
The a plurality of touch-control that should connect receive holding wire SX31, SX32, SX33, SX34, SX35,
SX36, SX37, SX38, SX39 ..., for receiving the letter of the touch control electrode input of correspondence
Number；Touch-control drive signal line 33 is for providing touch control detection signal to all touch control electrode；Each
The positive pole of diode 32 is all connected with touch-control drive signal line, the negative pole of each diode 32 with
Touch control electrode 31 connects one to one.
In the embodiment shown in fig. 3, touch control electrode 31 includes a touch control electrode group 311,
Diode 32 includes a diode group 321.Touch control electrode group 311 is by diode group 321
It is connected with same touch-control drive signal line 33, i.e. all touch-controls on touch-control display panel 300
Electrode all receives the signal of same touch-control drive signal line 33 transmission.Touch control electrode 31 is permissible
It is multiplexed with public electrode.In the display stage, touch-control drive signal line 33 carries to all touch control electrode
Public voltage signal；Touching detection-phase, touch-control drive signal line 33 is to all touch control electrode
Touch control detection signal is provided simultaneously.Owing to all passing through one in the touch all touch control electrode of detection-phase
Bar touch-control drive signal line receives touch control detection signal, only needs when driving to drive to a touch-control
Holding wire applies detection signal, compared to by a plurality of tactile with what touch control electrode connected one to one
Control receives holding wire and provides the scheme touching detection signal, it is possible to significantly decrease display floater
Power consumption.
With further reference to Fig. 4, it illustrates another of the touch-control display panel that the application provides
The structural representation of embodiment.As shown in Figure 4, touch-control display panel 400 includes underlay substrate
40, be formed on underlay substrate 40, multiple touch control electrode 41 arranged in arrays and touch-control
The most multiple diode of electrode 41 42, a plurality of touch-control drive signal line 43 and a plurality of
Touch-control receives holding wire 44.Wherein, touch-control reception holding wire 44 includes and touch control electrode 41 1
The one corresponding a plurality of touch-control connected receive holding wire SX41, SX42, SX43, SX44, SX45,
SX46, SX47, SX48, SX49 ..., for receiving the letter of the touch control electrode input of correspondence
Number；Touch-control drive signal line 43 is for providing touch control detection signal to all touch control electrode；Each
The positive pole of diode 42 is all connected with touch-control drive signal line, the negative pole of each diode 42 with
Touch control electrode 41 connects one to one.
In the embodiment shown in fig. 4, touch control electrode 41 includes multiple touch control electrode group, such as
First touch control electrode group the 411, second touch control electrode group 412, the 3rd touch control electrode group 413 etc..
Diode 42 includes multiple diode group, such as first diode group the 421, second diode group
422, the 3rd diode group 423 etc..Each touch control electrode group includes a line touch control electrode, each
Diode group includes a line diode.The quantity of touch-control drive signal line and the quantity of diode group
Identical, each diode group is connected with a touch-control drive signal line respectively.Such as the 1st pole
Pipe group the 421, second diode group the 422, the 3rd diode group 423 drives with the first touch-control respectively
Holding wire ST41, the second touch-control drive signal line ST42 and the 3rd touch-control drive signal line ST43
Connect.
Unlike embodiment illustrated in fig. 3, the touch-control display surface that embodiment illustrated in fig. 4 provides
The touch control electrode being positioned at different rows in plate 400 receives the letter of different touch-control drive signal line transmission
Number.When driving touch-control display panel, identical public affairs can be provided to each touch-control drive signal line
Common voltage signal, at this moment, the working stage of touch-control display panel is the display stage；Can also be to
Each touch-control drive signal line provides identical or different touch control detection signal, and at this moment, touch-control shows
The working stage of panel is for touching detection-phase；Can also provide to part touch-control drive signal line
Public voltage signal, to other touch-control drive signal lines offer touch control detection signal, at this moment, with
Receive public voltage signal touch control electrode connect touch-control receive holding wire without receiving signal,
Reduce further the power consumption of display floater.
With continued reference to Fig. 5, it illustrates another reality of the touch-control display panel that the application provides
Execute the structural representation of example.As it is shown in figure 5, touch-control display panel 500 include underlay substrate 50,
The multiple touch control electrode 51 and the touch control electrode that are formed on underlay substrate 50 are the most
Individual diode 52, at least one touch-control drive signal line 53 and with touch control electrode one_to_one corresponding
The a plurality of touch-control connected receives holding wire 54.Wherein, touch control electrode 51 is arranged in arrays, touches
Control drive signal line 53 is for providing touch control detection signal to touch control electrode 51, and touch-control receives letter
Number line 54 is for receiving the signal of touch control electrode 51 output.The positive pole of diode 52 and one touch
Control drive signal line 53 connects, and the negative pole of diode 52 connects one to one with touch control electrode 51.
On the basis of previous embodiment, touch-control display panel 500 also includes touch drive circuit
55, touch-control drive signal line 53, touch-control receive holding wire 54 all with touch drive circuit 55 even
Connect.In the display stage, touch control electrode 51 is multiplexed with public electrode, and touch drive circuit 55 can
To apply public voltage signal to touch-control drive signal line 53, touching detection-phase, driving electricity
Road 55 applies touch control detection signal by touch-control drive signal line 53, and receives touch-control reception letter
The signal of number line 54 transmission is to determine the position of touch point, due to by the input channel of touch control electrode
Separating with output channel, when touching detection, touch drive circuit 55 can continue to drive to touch-control
Holding wire 53 provides touch control detection signal, continues through touch-control and receives holding wire reception touch control electrode
The signal of output, it is not necessary to switching touch-control drive signal line 53 and touch-control receive the defeated of holding wire 54
Enter output state, thus avoid the loss of signal caused when input/output state switches, improve
The signal to noise ratio of touch-control display panel.
The embodiment of the present application additionally provides driving of the touch-control display panel for above-described embodiment description
Dynamic method.In above-mentioned touch-control display panel, touch control electrode is multiplexed with public electrode, is used for
The display stage provides the common electric voltage needed for display.Described driving method includes: to driving letter
Number line provides and touches detection signal or public voltage signal.Below with touch-control display surface shown in Fig. 4
The driving method as a example by plate provided the embodiment of the present application is described in detail.
With further reference to Fig. 6, when it illustrates a job of touch-control display panel shown in Fig. 4
Sequence schematic diagram.As shown in Figure 6, in certain embodiments, the work schedule of touch-control display panel
Display stage T61 can be included and touch detection-phase T62.Showing stage T61, permissible
Public affairs are provided to all drive signal lines including drive signal line ST41, ST42, ST43
Common voltage signal, public voltage signal can be constant voltage signal.Touching detection-phase,
Can provide to all drive signal lines and touch detection signal, and be connect by touch-control reception holding wire
Receive the signal of touch control electrode transmission.Wherein, touching detection signal can be periodically pulsing letter
Number, touch control electrode transmission signal can include touch control electrode sense touch point after self-capacitance send out
The produced induced signal of changing.
Although it should be noted that Fig. 6 only describes as a example by touch-control display panel shown in Fig. 4
Display stage and the operation principle of touch detection-phase driving method, but in the application, other are implemented
In the touch-control display panel that example provides, it would however also be possible to employ identical driving method, i.e. on display rank
Section touch-control drive signal line provides public voltage signal, drives letter touching detection-phase to touch-control
Number line provides and touches detection signal, and receives holding wire by touch-control and receive touch control electrode transmission
The driving method of signal is driven.
In the driving method of the embodiment shown in Fig. 6, the same time drives signal to each touch-control
Line applies identical signal.On the one hand, owing to using different holding wires to carry out touch control detection letter
Number input and touch sensible signal export, and it is permissible that touch-control drive signal line and touch-control receive holding wire
Synchronous working, can drive signal to apply pulse letter to touch-control touching detection-phase incessantly
Number, and receive the signal that touch-control reception holding wire transmits incessantly, thus improve touch
The sensitivity of detection and precision, eliminate touch-control drive signal line simultaneously or touch-control receives holding wire
The loss of signal produced during switching in input channel and output channel, improves signal to noise ratio.Separately
On the one hand, existing utilize in the signal line design as input channel and output channel,
Public voltage signal or touch control detection need to be applied to the holding wire equal with touch control electrode number during driving
Signal, and the driving method that the embodiment of the present application provides can reduce the signal as input channel
The quantity of line, thus reduce the power consumption of display floater.
With further reference to Fig. 7, it illustrates another work of touch-control display panel shown in Fig. 4
Time diagram.Work schedule shown in Fig. 7 is applicable to following touch-control display panel: include substrate
Substrate, be formed on underlay substrate, multiple touch control electrode arranged in arrays and touch control electrode
The most multiple diodes, at least one touch-control drive signal line and with touch control electrode one
The one corresponding a plurality of touch-control connected receives holding wire；Wherein, the positive pole of diode and a touch-control
Drive signal line connects, and the negative pole of diode connects one to one with touch control electrode.Further, touch
Control electrode includes at least one touch control electrode group, and diode includes and touch control electrode group one_to_one corresponding
At least one diode group, each diode group is connected with a touch-control drive signal line respectively.
For above-mentioned touch-control display panel, driving method may further include: to part touch-control
Drive signal line provides public voltage signal, provides to other touch-control drive signal lines and touches detection
Signal, and receive, by touch-control, the touch-control that holding wire reception is connected with other touch-control drive signal lines
The signal of electrode transmission.
Public voltage signal can be constant voltage signal, and touch control detection signal can be the cycle
The pulse signal of property.As it is shown in fig. 7, at first stage T71, signal can be driven to first
Line ST41 and the 3rd drive signal line ST43 provides public voltage signal, drives to the second touch-control
Holding wire ST42 provides touch control detection signal, at this moment the first touch-control of touch-control display panel 400
Electrode group 411 and the 3rd touch control electrode group 413 as public electrode provide needed for display public
Voltage, the second touch control electrode group 412 performs to touch detection.
In second stage T72, letter can be driven to the first drive signal line ST41, the second touch-control
Number line ST42 and the 3rd drive signal line ST43 provides public voltage signal, and at this moment touch-control shows
First touch control electrode group the 411, second touch control electrode group 412 of panel 400 and the 3rd touch-control electricity
Pole group 413 provides the common electric voltage needed for display as public electrode.
At phase III T73, can be to the first drive signal line ST41 and the 3rd drive signal line
ST43 provides touch control detection signal, provides common electric voltage to the second touch-control drive signal line ST42
Signal, at this moment the first touch control electrode group 411 and the 3rd touch control electrode of touch-control display panel 400
Group 413 execution touches detection；Second touch control electrode group 412 provides display institute as public electrode
The common electric voltage needed.
In the working timing figure shown in Fig. 7, each touch-control drive signal line ST41, ST42,
ST43 is only used as input channel and transmits signal to touch control electrode, it is not necessary to receives as output channel and touches
The touch signal that control electrode senses, each touch-control reception holding wire is only used as output channel and receives tactile
The control touch signal that senses of electrode, thus avoid touching signals line be multiplexed with input channel and
The loss of signal caused during output channel.Further, in the course of work of touch-control display panel only
Public voltage signal need to be applied to the touch-control drive signal line equal with touch control electrode group quantity or touch
Control detection signal, compared to a plurality of touch-control reception letter by connecting one to one with touch control electrode
Number line provides public voltage signal or touches the scheme of detection signal, owing to decreasing to touch-control electricity
The quantity of the holding wire of pole transmission signal, therefore, it is possible to significantly decrease the power consumption of display floater.
The embodiment of the present application additionally provides a kind of touch display screen, including above in association with Fig. 2 extremely figure
5 touch-control display panels described.It is appreciated that the touch-control display surface described by above-described embodiment
Plate can also include structure known to some, be such as arranged at the pel array on array base palte,
The thin film transistor (TFT) that connects one to one with the pixel cell in pel array, multi-strip scanning line with
And a plurality of data lines etc. intersected that insulate with scan line.Wherein, scan line is used for controlling film crystalline substance
Body pipe turns on, with the often row pixel cell in scanning element array.Data wire is for showing needs
The data-signal shown is transferred in each pixel cell by thin film transistor (TFT).
The touching display screen that the above embodiments of the present application provide, decreases to touch control electrode transmission letter
Number the quantity of holding wire, reduce the power consumption of display floater；Touching signals can be reduced simultaneously
The loss of signal that line causes when switching input/output state, thus improve signal to noise ratio.
Above description is only the preferred embodiment of the application and saying institute's application technology principle
Bright.It will be appreciated by those skilled in the art that invention scope involved in the application, do not limit
In the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain simultaneously without departing from
In the case of described inventive concept, above-mentioned technical characteristic or its equivalent feature are combined
And other technical scheme formed.Such as features described above and (but not limited to) disclosed herein
The technical characteristic with similar functions is replaced mutually and the technical scheme that formed.
Claims (10)
1. a touch-control display panel, it is characterised in that described touch-control display panel includes:
Underlay substrate；
The multiple touch control electrode being formed on described underlay substrate, described touch control electrode is matrix row
Row；
Diodes the most multiple with described touch control electrode；
At least one touch-control drive signal line, for providing touch control detection letter to described touch control electrode
Number；And
The a plurality of touch-control connected one to one with described touch control electrode receives holding wire, is used for receiving
The signal of described touch control electrode output；
Wherein, the positive pole of described diode and a described touch-control drive signal line connect, described
The negative pole of diode connects one to one with described touch control electrode.
Touch-control display panel the most according to claim 1, it is characterised in that described touch-control
Electrode includes at least one touch control electrode group, and described diode includes and described touch control electrode group one
At least one diode group of one correspondence；
Each described diode group is connected with a described touch-control drive signal line respectively.
Touch-control display panel the most according to claim 2, it is characterised in that described touch-control
Electrode includes a touch control electrode group, and described diode includes a diode group.
Touch-control display panel the most according to claim 2, it is characterised in that each described
Touch control electrode group includes that touch control electrode described in a line, each described diode group include described in a line
Diode.
Touch-control display panel the most according to claim 1, it is characterised in that described touch-control
Display floater also includes touch drive circuit；
Described touch-control drive signal line, described touch-control receive holding wire and described touch drive circuit
Connect.
Touch-control display panel the most according to claim 1, it is characterised in that described touch-control
Electrode is multiplexed with public electrode, and described touch-control drive signal line is additionally operable in the display stage to described
Public electrode provides public voltage signal.
7. a driving method, is used for driving touch-control display panel as claimed in claim 1,
It is characterized in that, described touch control electrode is multiplexed with public electrode, and described driving method includes:
There is provided to described touch-control drive signal line and touch detection signal or public voltage signal.
Method the most according to claim 7, it is characterised in that described driving method enters one
Step includes:
In the display stage, provide described public voltage signal to described touch-control drive signal line；
Touching detection-phase, providing described to described touch-control drive signal line and touch detection signal,
And the signal of holding wire reception described touch control electrode transmission is received by described touch-control.
Method the most according to claim 7, it is characterised in that described touch control electrode includes
At least one touch control electrode group, described diode includes with described touch control electrode group one to one
At least one diode group, each described diode group drives signal with a described touch-control respectively
Line connects；
Described driving method farther includes:
Described public voltage signal is provided to part described touch-control drive signal line；
There is provided described to touch-control drive signal line other described and touch detection signal, and by described
Touch-control receives holding wire and receives the touch control electrode transmission being connected with other touch-control drive signal lines described
Signal.
10. a touching display screen, it is characterised in that include such as any one of claim 1-6
Described touch-control display panel.
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| CN105867691B (en) | 2018-12-07 |
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