CN107943350A - A kind of touch-control display panel and its touch-control driving method - Google Patents
A kind of touch-control display panel and its touch-control driving method Download PDFInfo
- Publication number
- CN107943350A CN107943350A CN201810042400.7A CN201810042400A CN107943350A CN 107943350 A CN107943350 A CN 107943350A CN 201810042400 A CN201810042400 A CN 201810042400A CN 107943350 A CN107943350 A CN 107943350A
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- touch
- control
- drive signal
- mode
- black matrix
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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
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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)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The embodiment of the present invention provides a kind of touch-control display panel and its touch-control driving method, is related to technical field of touch-control display, can reduce power consumption.A kind of touch-control driving method of touch-control display panel, including：Normal control mode touch mode and touch-control idle pulley；When in touch-control idle pulley, apply the first touch-control drive signal to black matrix, to have detected whether touch, if so, then entering normal control mode touch mode；When in normal control mode touch mode, apply the second touch-control drive signal to multiple touch control electrodes, and detect touch-control feedback signal, position of touch to be identified according to the touch-control feedback signal；Wherein, the frequency of the first touch-control drive signal is less than the frequency of the second touch-control drive signal；When in normal control mode touch mode, if in the scheduled time, the touch-control feedback signal that the multiple touch control electrode detects respectively does not change, then into touch-control idle pulley.
Description
Technical field
The present invention relates to technical field of touch-control display, more particularly to a kind of touch-control display panel and its touch-control driving method.
Background technology
In order to realize the slimming of touch-control display panel and lightweight, by contact panel and the integrated research of display panel
Increasing prevalence.Wherein, Full In Cell touch-control sides contact panel function being embedded into inside the array base palte of display panel
Case gets more and more people's extensive concerning.
At the same time, how to reduce power consumption is always the target that those skilled in the art constantly pursue.
The content of the invention
The embodiment of the present invention provides a kind of touch-control display panel and its touch-control driving method, can reduce power consumption.
To reach above-mentioned purpose, the embodiment of the present invention adopts the following technical scheme that：
First aspect, there is provided a kind of touch-control display panel, including：Array base palte and to box substrate；On the array base palte
It is provided with multiple touch control electrodes of array arrangement；Each touch control electrode is electrically connected with driving chip；It is described to box substrate include it is black
Matrix；The black matrix is conductive, and is electrically connected with the driving chip.
Optionally, the black matrix is electrically connected by elargol with the driving chip being arranged on the array base palte.
Optionally, the driving chip is TDDI chips.
Second aspect, there is provided a kind of touch-control driving method of touch-control display panel, including：Normal control mode touch mode and touch-control are empty
Not busy pattern；When in touch-control idle pulley, apply the first touch-control drive signal to black matrix, to have detected whether that touch-control moves
Make, if so, then entering normal control mode touch mode；When in normal control mode touch mode, apply the second touch-control to multiple touch control electrodes and drive
Dynamic signal, and touch-control feedback signal is detected, position of touch to be identified according to the touch-control feedback signal；Wherein, it is described
The frequency of first touch-control drive signal is less than the frequency of the second touch-control drive signal；When in normal control mode touch mode, if
In the scheduled time, the touch-control feedback signal that the multiple touch control electrode detects respectively does not change, then empty into touch-control
Not busy pattern.
Preferably, the first touch-control drive signal is applied to black matrix, to have detected whether touch, including：In touch-control
In the stage, apply the first touch-control drive signal, to have detected whether touch to black matrix；Wherein, the touch-control stage is positioned at company
After continuous multiple display stages.
Preferably, apply the second touch-control drive signal to multiple touch control electrodes, and detect touch-control feedback signal, with according to institute
Touch-control feedback signal is stated to be detected position of touch, including：In the touch-control stage, apply the second touch-control to multiple touch control electrodes and drive
Dynamic signal, and touch-control feedback signal is detected, to be detected according to the touch-control feedback signal to position of touch；Wherein, this is touched
The control stage was located at after each display stage.
Preferably, when applying the first touch-control drive signal to the black matrix, connect the multiple touch control electrode
Ground；When applying the second touch-control drive signal to the multiple touch control electrode, it is grounded the black matrix.
Further, the touch-control display panel includes grid line and data cable；Applying described first to the black matrix
During touch-control drive signal, it is grounded the grid line and the data cable；Touched applying described second to the multiple touch control electrode
When controlling drive signal, the modulation applied to the grid line and the data cable with the second touch-control drive signal same frequency is believed
Number.
Based on above-mentioned, optionally, the frequency of the second touch-control drive signal is the frequency of the first touch-control drive signal
Twice of rate.
The embodiment of the present invention provides a kind of touch-control display panel and its touch-control driving method, by the way that touch-control driving is divided into
Touch-control idle pulley and normal control mode touch mode both of which, and when in touch-control idle pulley, by applying frequency to black matrix
The first relatively low touch-control drive signal of rate, to detect whether touch, once detecting touch, enters
Normal control mode touch mode, by applying the second touch-control drive signal to multiple touch control electrodes, and to detect touch-control feedback signal, carry out root
Position of touch is identified according to the touch-control feedback signal.Wherein, due to being only to determine whether touch-control by black matrix
Action occurs, and therefore, to reduce power consumption, can be driven with respect to the frequency of the second touch-control drive signal using relatively low frequency；
On this basis, since a port by driving chip can drive black matrix, it can further reduce power consumption.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of schematic diagram of touch-control display panel provided by the invention；
Fig. 2 is a kind of schematic cross-sectional view of touch-control display panel provided by the invention；
Fig. 3 is a kind of flow diagram of touch-control driving method provided by the invention；
Fig. 4 is the schematic diagram of a kind of first touch-control drive signal provided by the invention and the second touch-control drive signal；
Fig. 5 is a kind of time diagram one provided by the invention；
Fig. 6 is a kind of time diagram two provided by the invention；
Fig. 7 is a kind of time diagram three provided by the invention；
Fig. 8 is a kind of time diagram four provided by the invention；
Fig. 9 is a kind of time diagram five provided by the invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of touch-control display panel, as depicted in figs. 1 and 2, including：Array base palte 10 and to box
Substrate 20；Multiple touch control electrodes 11 of array arrangement are provided with array base palte 10；Each touch control electrode 11 passes through touch-control cabling
12 are electrically connected with driving chip 30；Black matrix 21 is included to box substrate 20；Black matrix 21 is conductive, and electric with the driving chip 30
Connect (not illustrated in Fig. 1).
Wherein, touch control electrode 11 can be multiplexed with public electrode.That is, in display, touch control electrode 11 is used as public electrode；
During touch-control, touch control electrode 11 is identified as position of touch.
It should be noted that first, it will be understood by those skilled in the art that the setting side of the touch control electrode 11 based on the present invention
Formula, based on the identification that position of touch is carried out from capacitance type.
Second, driving chip 30 generally may be disposed on array base palte 10.Black matrix 21 passes through conductive structure and driving core
Piece 30 is electrically connected.
Wherein, it is similar with touch control electrode 11, corresponding touching signals can be applied to black matrix 21 by driving chip 30, and
Detect feedback signal.
3rd, for the other structures on array base palte 10 in addition to touch control electrode 11 and touch-control cabling 12, to box substrate 20
On other structures in addition to black matrix 21, can be depending on the type of specific display panel.
The embodiment of the present invention provides a kind of touch-control display panel, conductive by will be used to the black matrix 21 on box substrate 20
Material is made, and it is also electrically connected with driving chip 30, can drive letter by applying the relatively low touch-control of frequency to black matrix 21
Number, to detect whether touch, once detect touch, then by driving the multiple touch control electrode
11 carry out the identification of position of touch.Wherein, due to being only to determine whether touch by black matrix 21, because
This, to reduce power consumption, can be driven using relatively low frequency；On this basis, due to an end by driving chip 30
Mouth can drive black matrix 21, therefore, can further reduce power consumption.
Optionally, as shown in Fig. 2, black matrix 21 can pass through elargol 40 and the driving chip being arranged on array base palte 10 30
It is electrically connected.
It is electrically connected the driving chip 30 in black matrix 21 and array base palte 10 using elargol 40, excellent conduction can be had concurrently
Property and caking property.
Optionally, the driving chip 30 can be TDDI (Touch and Display Driver Integration,
Touch-control is integrated with display driver) chip.
Touch-control driving and display control are integrated in a chip by TDDI chips, can so save chip cost and system
Make cost.
The embodiment of the present invention also provides a kind of touch-control driving method of above-mentioned touch-control display panel, including：Normal touch-control mould
Formula and touch-control idle pulley；Specifically, as shown in figure 3, including：
S11, when in touch-control idle pulley, to black matrix apply the first touch-control drive signal, it is tactile to have detected whether
Control acts, if so, then entering normal control mode touch mode.
Herein, it is to be understood that apply the first touch-control drive signal to black matrix, to have detected whether touch,
If not detected touch, still apply the first touch-control drive signal to black matrix, until having detected that touch-control moves
After work, into normal control mode touch mode.
S12, when in normal control mode touch mode, to multiple touch control electrodes apply the second touch-control drive signal, and detect touch
Feedback signal is controlled, position of touch to be identified according to the touch-control feedback signal；Wherein, the first touch-control drive signal
Frequency be less than the second touch-control drive signal frequency.
For the second touch-control drive signal, current frequency can be continued to use and be driven, such as its driving frequency can be
60Hz, 120Hz etc..
S13, when in normal control mode touch mode, if in the scheduled time, the multiple touch control electrode detects described respectively
Touch-control feedback signal does not change, then into touch-control idle pulley.
That is, after normal control mode touch mode is entered, in the given time, touch-control does not occur again, then into touch-control free time mould
Formula.
Wherein, under normal control mode touch mode, when driving chip is according to the change of the touch-control feedback signal, touch-control position is determined
Postpone, timing can be carried out, it is idle into touch-control if timing time does not detect the change of touch-control feedback signal also when reaching
Pattern；If in timing time, the change of touch-control feedback signal is detected, then timing is reset, and restarts timing.
It should be noted that seen from the above description, when in touch-control idle pulley, it is only used for having detected whether touch-control
Action occurs, once there is touch, just into normal control mode touch mode, specific position of touch to be identified.
In addition, it will be understood by those skilled in the art that either normal control mode touch mode or touch-control idle pulley, are all hairs
Give birth in the touch-control stage of setting, carried out with display timesharing.Wherein, if in the current touch-control stage, driven with touch-control idle pulley
It is dynamic, and detect touch, then in next touch-control stage, it is driven with normal control mode touch mode.Similarly, if working as
In the preceding touch-control stage, it is driven with normal control mode touch mode, and the scheduled time reaches and (touch-control does not occur in the scheduled time always), then
In next touch-control stage, it is driven with touch-control idle pulley.
The embodiment of the present invention provides a kind of touch-control driving method, by the way that touch-control driving is divided into touch-control idle pulley and normal
Control mode touch mode both of which, and in touch-control idle pulley, by applying the first relatively low touch-control drive signal of frequency to black matrix,
To detect whether touch, once touch is detected, into normal control mode touch mode, with by multiple
Touch control electrode applies the second touch-control drive signal, and detects touch-control feedback signal, according to the touch-control feedback signal to touch-control
Position is identified.Wherein, due to being only to determine whether touch by black matrix, to reduce power consumption,
It can be driven with respect to the frequency of the second touch-control drive signal using relatively low frequency；On this basis, due to by driving core
The a port of piece can drive black matrix, therefore, can further reduce power consumption.
Optionally, as shown in figure 4, the frequency of the second touch-control drive signal can be the first touch-control drive signal
Twice of frequency.
Preferably, in S11, apply the first touch-control drive signal to black matrix, to have detected whether touch, specifically may be used
With including：In the touch-control stage, apply the first touch-control drive signal to black matrix, to have detected whether touch；Wherein, this is touched
The control stage is located at after continuous multiple display stages (as shown in Figure 5).
Each display stage can be that from the first row progressive scan, a line terminates the period used to grid line to the end.Can be with
Understand should also have between the adjacent display stage and disappear the shadow stage and (do not illustrated in figure).Wherein, touch-control of the invention
Stage can be same stage with the shadow stage that disappears after multiple display stages.
It should be noted that only illustrated in Fig. 5 exemplified by a touch-control stage is set after continuous two display stages,
But the present invention is not limited thereto.In addition, a touch-control stage is carried out after continuous multiple display stages, only in touch-control free time mould
Under formula, after normal control mode touch mode is carried out from touch-control idle pulley, then it is not limited to use this rule setting touch-control stage.
Preferably, in S12, apply the second touch-control drive signal to multiple touch control electrodes, and detect touch-control feedback signal, with
Position of touch is detected according to the touch-control feedback signal, including：In the touch-control stage, apply second to multiple touch control electrodes
Touch-control drive signal, and touch-control feedback signal is detected, to be detected according to the touch-control feedback signal to position of touch；Its
In, which is located at after each display stage (as shown in Figure 6).
The embodiment of the present invention, it is continuous multiple by the way that each touch-control stage is arranged at when in touch-control idle pulley
After the display stage, power consumption can be further reduced.It is each aobvious by the way that the touch-control stage is arranged at when in normal control mode touch mode
After showing the stage, it is ensured that to the accuracy and sensitivity of position of touch identification.
Preferably, as shown in fig. 7, when applying the first touch-control drive signal to black matrix, the multiple touch control electrode is made
Ground connection.
As shown in figure 8, when applying the second touch-control drive signal to multiple touch control electrodes, it is grounded the black matrix.
Based on this, either can all avoid increasing extra power consumption still in touch-control idle pulley in normal control mode touch mode.
Further, as shown in figure 9, when applying the first touch-control drive signal to black matrix, grid line and data cable are also made
Ground connection；Wherein, grid line and data cable are arranged on the array base palte of touch-control display panel.
, can be to grid line and data cable input and the second touch-control when applying the second touch-control drive signal to multiple touch control electrodes
The modulated signal of drive signal same frequency, to avoid unnecessary interference.
Wherein, as shown in figure 9, in the display stage, common electric voltage can be inputted to touch control electrode, to serve as common electrical
Pole.
In touch-control idle pulley, when applying the first touch-control drive signal to black matrix, grid line and data cable are grounded, also may be used
Reduce power consumption.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
The relevant hardware of programmed instruction is completed, and foregoing program can be stored in a computer read/write memory medium, the program
Upon execution, the step of execution includes above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
- A kind of 1. touch-control display panel, it is characterised in that including：Array base palte and to box substrate；Multiple touch control electrodes of array arrangement are provided with the array base palte；Each touch control electrode is electrically connected with driving chip；It is described that black matrix is included to box substrate；The black matrix is conductive, and is electrically connected with the driving chip.
- 2. touch-control display panel according to claim 1, it is characterised in that the black matrix is by elargol and is arranged at institute The driving chip stated on array base palte is electrically connected.
- 3. touch-control display panel according to claim 1, it is characterised in that the driving chip is TDDI chips.
- A kind of 4. touch-control driving method of touch-control display panel, it is characterised in that including：Normal control mode touch mode and touch-control free time mould Formula；When in touch-control idle pulley, apply the first touch-control drive signal to black matrix, to have detected whether touch, if Have, then into normal control mode touch mode；When in normal control mode touch mode, apply the second touch-control drive signal to multiple touch control electrodes, and detect touch-control feedback letter Number, position of touch to be identified according to the touch-control feedback signal；Wherein, the frequency of the first touch-control drive signal is small In the frequency of the second touch-control drive signal；When in normal control mode touch mode, if in the scheduled time, the touch-control that the multiple touch control electrode detects respectively is fed back Signal does not change, then into touch-control idle pulley.
- 5. touch-control driving method according to claim 4, it is characterised in that apply the first touch-control driving letter to black matrix Number, to have detected whether touch, including：In the touch-control stage, apply the first touch-control drive signal to black matrix, to have detected whether touch；Wherein, the touch-control Stage was located at after continuous multiple display stages.
- 6. touch-control driving method according to claim 4, it is characterised in that apply the second touch-control to multiple touch control electrodes and drive Dynamic signal, and touch-control feedback signal is detected, to be detected according to the touch-control feedback signal to position of touch, including：In the touch-control stage, apply the second touch-control drive signal to multiple touch control electrodes, and detect touch-control feedback signal, with according to institute Touch-control feedback signal is stated to be detected position of touch；Wherein, which was located at after each display stage.
- 7. touch-control driving method according to claim 4, it is characterised in that touched applying described first to the black matrix When controlling drive signal, it is grounded the multiple touch control electrode；When applying the second touch-control drive signal to the multiple touch control electrode, it is grounded the black matrix.
- 8. touch-control driving method according to claim 7, it is characterised in that the touch-control display panel includes grid line sum number According to line；When applying the first touch-control drive signal to the black matrix, it is grounded the grid line and the data cable；When applying the second touch-control drive signal to the multiple touch control electrode, apply to the grid line and the data cable With the modulated signal of the second touch-control drive signal same frequency.
- 9. according to claim 4-8 any one of them touch-control driving methods, it is characterised in that the second touch-control drive signal Frequency be twice of frequency of the first touch-control drive signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810042400.7A CN107943350A (en) | 2018-01-16 | 2018-01-16 | A kind of touch-control display panel and its touch-control driving method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810042400.7A CN107943350A (en) | 2018-01-16 | 2018-01-16 | A kind of touch-control display panel and its touch-control driving method |
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| CN201810042400.7A Pending CN107943350A (en) | 2018-01-16 | 2018-01-16 | A kind of touch-control display panel and its touch-control driving method |
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| CN108681413A (en) * | 2018-04-26 | 2018-10-19 | 维沃移动通信有限公司 | A kind of control method and mobile terminal of display module |
| CN109240537A (en) * | 2018-08-23 | 2019-01-18 | 硅谷数模半导体（北京）有限公司 | Control method, device, equipment, storage medium and the processor of touch screen |
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