CN106910447A - Touch-control display panel, touch control display apparatus and display abnormality eliminating method - Google Patents
Touch-control display panel, touch control display apparatus and display abnormality eliminating method Download PDFInfo
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- CN106910447A CN106910447A CN201710266277.2A CN201710266277A CN106910447A CN 106910447 A CN106910447 A CN 106910447A CN 201710266277 A CN201710266277 A CN 201710266277A CN 106910447 A CN106910447 A CN 106910447A
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- touch
- control
- period
- control display
- display panel
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
-
- 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
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/40—OLEDs integrated with touch screens
Abstract
A kind of touch-control display panel, touch control display apparatus and display abnormality eliminating method are the embodiment of the invention provides, is related to technical field of touch-control display, can reduced because abnormal probability occurs in display picture caused by electrostatic impact.Touch-control display panel includes scan line, touching signals line and data wire, and the touching signals line is multiplexed with public electrode wire, and the touch-control display panel also includes：Detection unit, in the period is tested, exporting identical predetermined pulse signal to the scan line, the touching signals line and the data wire；Reset unit, in the test period, receiving the feedback signal on the touching signals line, and repositioning information is exported when the feedback signal meets pre-conditioned.The technical program is mainly used in display abnormality processing caused by electrostatic impact.
Description
【Technical field】
The present invention relates to technical field of touch-control display, more particularly to a kind of touch-control display panel, touch control display apparatus and aobvious
Show abnormality eliminating method.
【Background technology】
The data-signal that display product will generally be generated by video-stream processor passes through data line transfer to display unit, with reality
The display of existing picture, during the use of display product, the circuit that the impact of electrostatic is likely to result in video-stream processor is different
Often, it is abnormal so as to cause display picture to occur.
At present, there is abnormal problem for display picture caused by electrostatic impact, generally using periodically reading display
The mode of the state value of particular register in processor, judges whether the state value of particular register is abnormal, if specific deposit
The state value exception of device, then make video-stream processor perform reset flow, so as to recover normal display picture.But, it is not
Electrostatic impact can all make the state value of particular register change under all situations, therefore still suffer from causing due to electrostatic impact
Display picture occurs abnormal.
【The content of the invention】
In view of this, a kind of touch-control display panel, touch control display apparatus and display exception be the embodiment of the invention provides
Reason method, can reduce because abnormal probability occurs in display picture caused by electrostatic impact.
On the one hand, a kind of touch-control display panel, including scan line, touching signals line and data be the embodiment of the invention provides
Line, the touching signals line is multiplexed with public electrode wire, and the touch-control display panel also includes：
Detection unit, in the period is tested, exporting identical predetermined pulse signal to the scan line, the touch-control
Holding wire and the data wire；
Reset unit, in the test period, receiving the feedback signal on the touching signals line, and described
Repositioning information is exported when feedback signal meets pre-conditioned.
Alternatively, the reset unit is further included：
Processing module is in the test period, receiving the feedback signal on the touching signals line and defeated
Go out the numerical value of the correspondence feedback signal；
Reseting module, the numerical value of the correspondence feedback signal for receiving the processing module output, and in correspondence institute
The numerical value for stating feedback signal exports the repositioning information when exceeding preset value.
Alternatively, it is described test the period include many height test the period；
The touch-control display panel includes multiple touch-control periods, the part touch-control period in the multiple touch-control period by with
It is the multiple sub- test period.
Alternatively, the test period include multiple periodically son test periods；
The touch-control display panel includes multiple periodically touch-control periods, in the multiple periodic touch-control period
The part touch-control period is used as the multiple periodic sub- test period.
Alternatively, above-mentioned touch-control display panel also includes：
Clock cable, the detection unit includes clock signal control module, and the clock signal control module is used for
In the test period, the predetermined pulse signal to the clock cable is exported.
Alternatively, above-mentioned touch-control display panel also includes：
Video-stream processor；
The video-stream processor, for receiving the repositioning information, and performs reset flow.
On the other hand, the embodiment of the present invention also provides a kind of touch control display apparatus, including above-mentioned touch-control display panel.
On the other hand, the embodiment of the present invention also provides a kind of touch control display apparatus, including：
Above-mentioned touch-control display panel；
Master control borad；
The touch-control display panel also includes video-stream processor；
The master control borad is used for, and receives the repositioning information, and export reset instruction；
The video-stream processor, for receiving the reset instruction, and performs reset flow.
On the other hand, the embodiment of the present invention also provides a kind of display abnormality eliminating method, described for touch control display apparatus
Touch control display apparatus include scan line, touching signals line, data wire and video-stream processor, and the touching signals line is multiplexed with public
Electrode wires, methods described includes：
In the period is tested, output identical predetermined pulse signal to the scan line, the touching signals line and described
Data wire, and receive the feedback signal on the touching signals line；
When the feedback signal meets pre-conditioned, the video-stream processor is set to perform reset flow.
Alternatively, it is described when the feedback signal meets pre-conditioned, the video-stream processor is performed reset flow
Process include：
The feedback signal is processed, the numerical value of the correspondence feedback signal is obtained；
When the numerical value of the correspondence feedback signal exceedes preset value, the video-stream processor is set to perform reset flow.
Alternatively, it is described test the period include many height test the period；
The touch-control display panel includes multiple touch-control periods, the part touch-control period in the multiple touch-control period by with
It is the multiple sub- test period.
Alternatively, the test period include multiple periodically son test periods；
The touch-control display panel includes multiple periodically touch-control periods, in the multiple periodic touch-control period
The part touch-control period is used as the multiple periodic sub- test period.
Alternatively, the touch control display apparatus also include master control borad；
It is described when the feedback signal meets pre-conditioned, the video-stream processor is performed the process bag of reset flow
Include：
When the feedback information meets it is described pre-conditioned when, output repositioning information is to the master control borad；
The master control borad exports reset instruction to the video-stream processor in response to the repositioning information；
The video-stream processor performs the reset flow in response to the reset instruction.
Touch-control display panel, touch control display apparatus and display abnormality eliminating method in the embodiment of the present invention, in test
Duan Zhong, exports identical predetermined pulse signal to scan line, touching signals line and data wire, so that touching signals line enters electrostatic
The state of impulse detection, touching signals line will not be interfered in the test period, while receiving the feedback letter on touching signals line
Number, and repositioning information is exported when feedback signal meets pre-conditioned, so that video-stream processor resets, compared with prior art,
, when abnormality detection is carried out, the state value without reading register can be more for touch-control display panel in the embodiment of the present invention
Judge whether electrostatic impact occur exactly, and the foundation whether resetted as video-stream processor, so as to reduce due to electrostatic
There is abnormal probability in display picture caused by impact.
【Brief description of the drawings】
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this area
For those of ordinary skill, without having to pay creative labor, can also obtain other attached according to these accompanying drawings
Figure.
Fig. 1 is a kind of structural representation of touch-control display panel in the embodiment of the present invention；
Fig. 2 is a kind of letter exported to scan line, data wire and touching signals line in the test period in the embodiment of the present invention
Number timing diagram；
Fig. 3 is a kind of structured flowchart of reset unit in the embodiment of the present invention；
Fig. 4 is a kind of signal exported to scan line, data wire and touching signals line in day part in the embodiment of the present invention
Timing diagram；
Fig. 5 is the structural representation of another touch-control display panel in the embodiment of the present invention；
Fig. 6 is a kind of structural representation of touch control display apparatus in the embodiment of the present invention；
Fig. 7 is the structural representation of another touch control display apparatus in the embodiment of the present invention；
Fig. 8 is a kind of schematic flow sheet for showing abnormality eliminating method in the embodiment of the present invention；
Fig. 9 is the schematic flow sheet of another display abnormality eliminating method in the embodiment of the present invention；
Figure 10 is the schematic flow sheet of another display abnormality eliminating method in the embodiment of the present invention.
【Specific embodiment】
In order to be better understood from technical scheme, the embodiment of the present invention is retouched in detail below in conjunction with the accompanying drawings
State.
It will be appreciated that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
Its embodiment, belongs to the scope of protection of the invention.
The term for using in embodiments of the present invention is the purpose only merely for description specific embodiment, and is not intended to be limiting
The present invention." one kind ", " described " and " being somebody's turn to do " of singulative used in the embodiment of the present invention and appended claims
It is also intended to include most forms, unless context clearly shows that other implications.
Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining " or " in response to detection ".Similarly, depending on linguistic context, phrase " if it is determined that " or " if detection
(condition or event of statement) " can be construed to " when it is determined that when " or " in response to determine " or " when the detection (condition of statement
Or event) when " or " in response to detection (condition or event of statement) ".
As shown in figure 1, Fig. 1 is a kind of structural representation of touch-control display panel in the embodiment of the present invention, the present invention is implemented
Example provides a kind of touch-control display panel, including scan line 11, touching signals line (not shown) and data wire 12, touching signals
Line is multiplexed with public electrode wire, multi-strip scanning line 11 intersect with a plurality of data lines 12 define it is single in multiple displays of matrix distribution
Unit, display unit is located at the shadow region of point-like filling in viewing area 13, i.e. Fig. 1, and data wire 12 is used to transmit data-signal,
So that display unit carries out luminescence display according to data-signal, scan line 11 is used to transmit scanning signal to display unit, so that
Display unit receives data-signal line by line according to scanning signal, and touch-control display panel is also included in multiple touch-controls electricity of matrix distribution
Pole (not shown), each touch control electrode is electrically connected to a corresponding touching signals line, in touch-control period, touching signals line
For transmitting touching signals, in display time interval, touching signals line is used to transmit public electrode voltages, touch control electrode is multiplexed with public affairs
Common electrode.Touch-control display panel also includes：Detection unit 2, in the period is tested, output identical predetermined pulse signal to be extremely
Scan line 11, touching signals line and data wire 12；Reset unit 3, in the period is tested, receiving anti-on touching signals line
Feedback signal, and repositioning information is exported when feedback signal meets pre-conditioned.Touch-control display panel can also include display processing
Device 4, video-stream processor 4 is used to generate data-signal and passes through data wire 12 by data signal transmission to display unit, and above-mentioned
Repositioning information is used to make video-stream processor 4 reset.
Specifically, electrostatic impact can cause the data of holding wire transmission on display panel exception occur, therefore, it can surveying
The examination period exports identical predetermined pulse signal to scan line 11, touching signals line and data wire 12, so that touching signals line enters
Enter the state of electrostatic impact detection, touching signals line will not be interfered in the test period, as shown in Fig. 2 Fig. 2 is real for the present invention
A kind of signal timing diagram exported to scan line, data wire and touching signals line in the test period in example is applied, wherein, Vgate tables
Show output to scan line 11 pulse signal, Vdata represent output to data wire 12 pulse signal, Vtp represent output to touch
The pulse signal of holding wire is controlled, meanwhile, in the test period, the feedback signal on touching signals line is received, if without electrostatic impact,
In normal state, the feedback signal for being received on touching signals line should be corresponding with above-mentioned pulse signal, i.e. feedback signal
There are specific waveforms in normal state；If there is electrostatic impact, under the influence of electrostatic impact, the feedback letter on touching signals line
Number occur that exception, i.e. feedback signal are not above-mentioned specific waveforms in the state of electrostatic impact.It is above-mentioned it is pre-conditioned with it is above-mentioned
Specific waveforms are related, and when feedback signal is above-mentioned specific waveforms, feedback signal is unsatisfactory for pre-conditioned, illustrates now not quiet
Surge, continues normal display；When feedback signal is not above-mentioned specific waveforms, feedback signal meets pre-conditioned, says
Bright now to have electrostatic impact, video-stream processor needs to carry out performing reset flow, recovers to original state, to eliminate electrostatic impact
Harmful effect to video-stream processor.
It should be noted that the touch-control display panel in the embodiment of the present invention can be liquid crystal display as shown in Figure 1
Panel or electronic paper display panel, in addition, the touch-control display panel in the embodiment of the present invention can also be organic light-emitting diodes
Pipe (Organic Light-Emitting Diode, OLED) display panel.
Touch-control display panel in the embodiment of the present invention, in the period is tested, output identical predetermined pulse signal is to sweeping
Line, touching signals line and data wire are retouched, so that touching signals line enters the state of electrostatic impact detection, touch-control letter in the test period
Number line will not be interfered, while the feedback signal on touching signals line is received, and it is defeated when feedback signal meets pre-conditioned
Go out repositioning information, so that video-stream processor resets, compared with prior art, the touch-control display panel in the embodiment of the present invention is entering
During row abnormality detection, the state value without reading register can more accurately judge whether electrostatic impact occur, and conduct
The foundation whether video-stream processor resets, so as to reduce because abnormal probability occurs in display picture caused by electrostatic impact.
Alternatively, as shown in figure 3, Fig. 3 is a kind of structured flowchart of reset unit, reset unit 3 in the embodiment of the present invention
Further include：Processing module 31, in the period is tested, receiving the feedback signal on touching signals line, and exports correspondence
The numerical value of feedback signal；Reseting module 32, for the numerical value of the corresponding feedback signal of receiving processing module output, and in correspondence instead
The numerical value of feedback signal exports repositioning information when exceeding preset value.
Specifically, the feedback signal on touching signals line is analog signal, is unfavorable for direct being contrasted with pre-conditioned
Judge, therefore feedback signal first can be converted into corresponding numerical value, while it is anti-as judging that whether numerical value is exceeded into preset value
Whether feedback signal meets pre-conditioned standard.
Alternatively, as shown in figure 4, Fig. 4 be the embodiment of the present invention in one kind in day part to scan line, data wire and touch-control
The signal timing diagram of holding wire output, the test period includes many height test period t (when a son test is only illustrated in Fig. 4
Section is t)；Touch-control display panel includes multiple touch-control periods tp, and the part touch-control period in multiple touch-control periods tp is used as multiple
Son test period t.
Specifically, touch-control display panel is shown that a frame refers to touch-control display panel during display by the cycle of frame
The refresh time that a subframe shows is completed, i.e., completes the scanning to all row display units in each frame, in a frame, can
With including multiple touch-control periods tp and multiple display time interval td, touch-control period tp and display time interval td alternately, in the present invention
In embodiment, using part touch-control period tp therein as sub- test period t, in sub- test period t, touch-control inspection is not carried out
Survey, but carry out display abnormality detection, ensure that the process of abnormality detection does not interfere with normal display and touch controllable function with this.
It should be noted that only illustrating the letter exported to scan line, data wire and touching signals line in sub- test period t in Fig. 4
Number waveform, eliminates the signal wave exported to scan line, data wire and touching signals line in touch-control period tp and display time interval td
Shape.
Alternatively, as shown in figure 4, further various types of periods can be set to periodically, test the period
(son test period t) is only illustrated in Fig. 4 including multiple periodically son test periods t；Touch-control display panel includes many
Individual periodic touch-control period tp, the part touch-control period in multiple periodically touch-control periods tp is used as multiple periodic
Son test period t.The periodic period refers to that period meeting circulating repetition occurs, and it is homogeneous to circulate the experienced time each time
Together, for example, each frame includes the 120 touch-control period tp for periodically occurring, by the 60th touch-control period and the 120th therein
The individual touch-control period carries out abnormality test as sub- test period t, to realize being likewise provided as sub- test period t periodically
Period.In the course of work of touch-control display panel, it is likely to occur at any time because picture display is abnormal caused by electrostatic impact,
Therefore, periodic period setting, more can carry out comprehensively and in time abnormality test, and by sub- test period t periodically
Be arranged on during normal display, smaller for normal display and the influence of touch controllable function, the cycle of sub- test period t can
To be configured as needed, the cycle is more long, then the influence for touch controllable function is smaller, and the cycle is shorter, then can be much sooner
Carry out abnormality test.
Alternatively, as shown in figure 5, Fig. 5 is the structural representation of another touch-control display panel in the embodiment of the present invention, figure
5 is a kind of concrete structure schematic diagram of Fig. 1, and the annexation of detection unit 2 is only illustrated in Fig. 1, is further illustrated in Fig. 5
The part that detection unit is included, above-mentioned touch-control display panel also includes：Clock cable (not shown), detection unit 2
Clock signal control module 5, data wire control module 6 and gate driving circuit 7 can be included, the shade of point-like filling in Fig. 5
Region is viewing area 13, and clock signal control module 5 is used in the period is tested, and exports above-mentioned predetermined pulse signal to clock
Holding wire, data wire control module 6 is used in the period is tested, and exports above-mentioned predetermined pulse signal to touching signals line and data
Line 12, gate driving circuit 7 is connected to clock cable, and gate driving circuit 7 is connected to scan line 11, wherein, raster data model
Circuit 7 be used for for scan line 11 provide scanning signal, clock cable be used for for gate driving circuit 7 provide scanning required for when
Clock signal, in order that gate driving circuit 7 exports above-mentioned predetermined pulse signal being preset, it is necessary to provide identical to clock cable
Pulse signal.It should be noted that above-mentioned clock signal control module 5, data wire control module 6 and reset unit 3 can be with
Video-stream processor 4 is integrated in driving chip.
Alternatively, as shown in Figure 1 and Figure 5, video-stream processor 4 can include two kinds of reset modes, in the first reset side
In formula, repositioning information is sent directly to video-stream processor 4 by reset unit 3, and above-mentioned video-stream processor 4 is additionally operable to receive above-mentioned
Repositioning information, and reset flow is performed in response to repositioning information, so that recover to original state, to eliminate electrostatic impact to display
The harmful effect of processor 4, in the first reset mode, video-stream processor 4 is resetted in response to repositioning information, second
Reset mode can be illustrated in subsequent embodiment.The first reset mode, can will realize abnormality test and reset function
Part and video-stream processor 4 be integrated in same chip, therefore without the extra unit for setting outside touch-control display panel
Part participates in picture abnormality test.
As shown in fig. 6, Fig. 6 is a kind of structural representation of touch control display apparatus in the embodiment of the present invention, the present invention is implemented
Example also provides a kind of touch control display apparatus, including above-mentioned touch-control display panel 100.Wherein, touch-control display panel 100 is specific
Structure and principle are same as the previously described embodiments, will not be repeated here.Display device can be such as touch display screen, mobile phone, put down
Plate computer, notebook computer, any electronic equipment with display function of electric paper book or television set etc..
Display device in the embodiment of the present invention, in the period is tested, output identical predetermined pulse signal to scan line,
Touching signals line and data wire, so that touching signals line enters the state of electrostatic impact detection, touching signals line in the test period
Will not be interfered, while receiving the feedback signal on touching signals line, and be exported when feedback signal meets pre-conditioned multiple
Position information so that video-stream processor resets, compared with prior art, touch-control display panel in the embodiment of the present invention carry out it is different
Often during detection, the state value without reading register can more accurately judge whether electrostatic impact occur, and as display
The foundation whether processor resets, so as to reduce because abnormal probability occurs in display picture caused by electrostatic impact.
As shown in fig. 7, Fig. 7 is the structural representation of another touch control display apparatus in the embodiment of the present invention, the present invention is real
Apply example and a kind of touch control display apparatus are also provided, including：Above-mentioned touch-control display panel 100；Master control borad 200；Point-like filling in Fig. 7
Shadow region be viewing area 13, touch-control display panel also include video-stream processor 8；Master control borad 200 is used for, and receives the list that resets
The repositioning information that unit 3 sends, and export reset instruction to video-stream processor 8；Video-stream processor 8, for receiving reset instruction, and
Reset flow is performed in response to reset instruction.In touch control display apparatus as shown in Figure 7, with embodiment illustrated in fig. 5
Unlike a kind of reset mode, video-stream processor 8 can also be resetted by second reset mode, in second reset
In mode, reset unit 3 exports to master control borad 200 repositioning information, and master control borad 200 exports reset instruction in response to repositioning information
To video-stream processor 8, video-stream processor 8 is resetted in response to the reset instruction that master control borad 200 sends.Second reset side
In formula, video-stream processor 8 is in response to perform reset flow in the reset instruction transmitted by master control borad 200, in prior art
In, video-stream processor 8 is controlled to perform the flows such as reset by master control borad 200, therefore, with the first reset mode phase
Than, second reset mode can compatible existing reset flow, the mode of realization is more simple.Wherein, touch-control display panel
100 concrete structure and principle is same as the previously described embodiments, will not be repeated here.Display device can for example touch display
Screen, mobile phone, tablet PC, notebook computer, any electronic equipment with display function of electric paper book or television set etc..Need
Illustrate, Fig. 7 is not that the complete structure of touch control display apparatus is illustrated, and only illustrates touch-control display panel 100 and master control borad
Annexation between 200 is illustrated, and in actual touch control display apparatus, such as in mobile phone, master control borad 200 is usually located at touch-control
The back side of display panel 100.
Display device in the embodiment of the present invention, in the period is tested, output identical predetermined pulse signal to scan line,
Touching signals line and data wire, so that touching signals line enters the state of electrostatic impact detection, touching signals line in the test period
Will not be interfered, while receiving the feedback signal on touching signals line, and be exported when feedback signal meets pre-conditioned multiple
Position information so that video-stream processor resets, compared with prior art, touch-control display panel in the embodiment of the present invention carry out it is different
Often during detection, the state value without reading register can more accurately judge whether electrostatic impact occur, and as display
The foundation whether processor resets, so as to reduce because abnormal probability occurs in display picture caused by electrostatic impact.
The embodiment of the present invention also provides a kind of display abnormality eliminating method, for touch control display apparatus, such as Fig. 6 and Fig. 7 institutes
Show, touch control display apparatus include touch-control display panel 100, as shown in Figure 1 and Figure 7, touch-control display panel includes scan line 11, touches
Control holding wire, data wire 12 and video-stream processor, the video-stream processor can be the video-stream processor 4 in embodiment illustrated in fig. 1
Or the video-stream processor 8 of embodiment shown in Fig. 7, touching signals line is multiplexed with public electrode wire, as shown in figure 8, Fig. 8 is this hair
A kind of schematic flow sheet for showing abnormality eliminating method in bright embodiment, the method includes：
Step 101, in the period is tested, output identical predetermined pulse signal is to scan line 11, touching signals line sum
According to line 12, and receive the feedback signal on touching signals line；
Step 102, when feedback signal meets pre-conditioned, make video-stream processor perform reset flow.
When feedback signal is unsatisfactory for pre-conditioned, continue normal flow for displaying, video-stream processor does not perform reset stream
Journey.
Wherein, the concrete structure and principle of touch control display apparatus embodiment corresponding with above-mentioned Fig. 6 and Fig. 7 are identical, herein
Repeat no more.
Display abnormality eliminating method in the embodiment of the present invention, in the period is tested, exports identical predetermined pulse signal
To scan line, touching signals line and data wire, so that touching signals line enters the state of electrostatic impact detection, touched in the test period
Control holding wire will not be interfered, while receiving the feedback signal on touching signals line, and meet pre-conditioned in feedback signal
When export repositioning information so that video-stream processor reset, compared with prior art, the touch-control display panel in the embodiment of the present invention
When abnormality detection is carried out, the state value without reading register can more accurately judge whether electrostatic impact occur, and
As the foundation whether video-stream processor resets, so as to reduce because the general of exception occurs in display picture caused by electrostatic impact
Rate.
Alternatively, as shown in figure 9, the flow that Fig. 9 is another display abnormality eliminating method in the embodiment of the present invention is illustrated
Figure, above-mentioned steps 102, when feedback signal meets pre-conditioned, the process for making video-stream processor perform reset flow includes：
Step 1021, feedback signal is processed, obtain the numerical value of correspondence feedback signal；
Step 1022, when correspondence feedback signal numerical value exceed preset value when, make video-stream processor perform reset flow.
Alternatively, as shown in figure 4, the test period includes that many height test period t；Touch-control display panel includes multiple touch-controls
Period tp, the part touch-control period in multiple touch-control periods tp is used as many height test periods t.Touch-control display panel is in display
During, being shown by the cycle of frame, a frame refers to that touch-control display panel completes the refresh time that a subframe shows, i.e., every
The scanning to all row display units is completed in one frame, in a frame, when can include multiple touch-control periods tp and multiple displays
Section td, touch-control period tp and display time interval td alternately, in embodiments of the present invention, using the part touch-control period therein as
Son test period t, in sub- test period t, does not carry out touch control detection, but carries out display abnormality detection, is ensured with this different
Often the process of detection does not interfere with normal display and touch controllable function.It should be noted that only being illustrated in sub- test in Fig. 4
The signal waveform exported to scan line, data wire and touching signals line in section t, eliminates in touch-control period tp and display time interval td
To the signal waveform that scan line, data wire and touching signals line are exported.
Alternatively, as shown in figure 4, further various types of periods can be set to periodically, test the period
Including multiple periodically son test periods t；Touch-control display panel includes multiple periodically touch-control periods tp, multiple periodicity
Touch-control period tp in the part touch-control period be used as multiple periodically son test periods t.When the periodic period refers to
Section meeting circulating repetition occurs, and circulates experienced time all same each time, for example, each frame includes what is periodically occurred
120 touch-control period tp, the 60th touch-control period therein and the 120th touch-control period are carried out as sub- test period t
Abnormality test.In the course of work of touch-control display panel, it is likely to occur at any time because picture shows caused by electrostatic impact
It is abnormal, therefore, the periodic period is set, and more can carry out comprehensively and in time abnormality test, and by the sub- t weeks test period
Being arranged on during normal display for phase property, the week of sub- test period t smaller for normal display and the influence of touch controllable function
Phase can be configured as needed, and the cycle is more long, then the influence for touch controllable function is smaller, and the cycle is shorter, then can be more
Abnormality test is carried out in time.
Alternatively, as shown in fig. 7, touch control display apparatus also include master control borad 200, as shown in Figure 10, Figure 10 is the present invention
The schematic flow sheet of another display abnormality eliminating method in embodiment, above-mentioned steps 102, meets pre-conditioned when feedback signal
When, the process for making video-stream processor perform reset flow includes：
Step 103, when feedback information meets pre-conditioned, output repositioning information is to master control borad 200；
Step 104, master control borad 200 export reset instruction to video-stream processor 8 in response to repositioning information；
Step 105, video-stream processor 8 perform reset flow in response to reset instruction.
Specifically, as shown in fig. 7, reset unit 3 exports to master control borad 200 repositioning information, master control borad 200 is in response to multiple
To video-stream processor 8, video-stream processor 8 is carried out in response to the reset instruction that master control borad 200 sends for position information output reset instruction
Reset.Video-stream processor 8 is in response to perform reset flow in the reset instruction transmitted by master control borad 200, in prior art
In, video-stream processor 8 is controlled to perform the flows such as reset by master control borad 200, therefore, this reset mode can be compatible
Existing reset flow, the mode of realization is more simple.
Display abnormality eliminating method in the embodiment of the present invention, in the period is tested, exports identical predetermined pulse signal
To scan line, touching signals line and data wire, so that touching signals line enters the state of electrostatic impact detection, touched in the test period
Control holding wire will not be interfered, while receiving the feedback signal on touching signals line, and meet pre-conditioned in feedback signal
When export repositioning information so that video-stream processor reset, compared with prior art, the touch-control display panel in the embodiment of the present invention
When abnormality detection is carried out, the state value without reading register can more accurately judge whether electrostatic impact occur, and
As the foundation whether video-stream processor resets, so as to reduce because the general of exception occurs in display picture caused by electrostatic impact
Rate.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.
Claims (13)
1. a kind of touch-control display panel, including scan line, touching signals line and data wire, the touching signals line are multiplexed with public
Electrode wires, it is characterised in that the touch-control display panel also includes：
Detection unit, in the period is tested, exporting identical predetermined pulse signal to the scan line, the touching signals
Line and the data wire；
Reset unit, in the test period, receiving the feedback signal on the touching signals line, and in the feedback
Repositioning information is exported when signal meets pre-conditioned.
2. touch-control display panel according to claim 1, it is characterised in that
The reset unit is further included：
Processing module, in the test period, receiving the feedback signal on the touching signals line, and export right
Answer the numerical value of the feedback signal；
Reseting module, the numerical value of the correspondence feedback signal for receiving the processing module output, and it is described anti-in correspondence
The numerical value of feedback signal exports the repositioning information when exceeding preset value.
3. touch-control display panel according to claim 1 and 2, it is characterised in that
The test period includes that many height test the period；
The touch-control display panel includes multiple touch-control periods, and the part touch-control period in the multiple touch-control period is used as institute
State many height test periods.
4. touch-control display panel according to claim 1 and 2, it is characterised in that
The test period includes multiple periodically son test periods；
The touch-control display panel includes multiple periodically touch-control periods, the part in the multiple periodic touch-control period
The touch-control period is used as the multiple periodic sub- test period.
5. touch-control display panel according to claim 1 and 2, it is characterised in that also include：
Clock cable, the detection unit includes clock signal control module, and the clock signal control module is used in institute
State in the test period, export the predetermined pulse signal to the clock cable.
6. touch-control display panel according to claim 1 and 2, it is characterised in that also include：Video-stream processor；
The video-stream processor, for receiving the repositioning information, and performs reset flow.
7. a kind of touch control display apparatus, it is characterised in that shown including the touch-control as described in any one in claim 1 to 6
Panel.
8. a kind of touch control display apparatus, it is characterised in that including：
Touch-control display panel as described in any one in claim 1 to 5；
Master control borad；
The touch-control display panel also includes video-stream processor；
The master control borad is used for, and receives the repositioning information, and export reset instruction；
The video-stream processor, for receiving the reset instruction, and performs reset flow.
9. a kind of to show abnormality eliminating method, for touch control display apparatus, the touch control display apparatus include that scan line, touch-control are believed
Number line, data wire and video-stream processor, the touching signals line are multiplexed with public electrode wire, it is characterised in that methods described bag
Include：
In the period is tested, output identical predetermined pulse signal to the scan line, the touching signals line and the data
Line, and receive the feedback signal on the touching signals line；
When the feedback signal meets pre-conditioned, the video-stream processor is set to perform reset flow.
10. display abnormality eliminating method according to claim 9, it is characterised in that
It is described when the feedback signal meets pre-conditioned, the process for making the video-stream processor perform reset flow includes：
The feedback signal is processed, the numerical value of the correspondence feedback signal is obtained；
When the numerical value of the correspondence feedback signal exceedes preset value, the video-stream processor is set to perform reset flow.
The 11. display abnormality eliminating method according to claim 9 or 10, it is characterised in that
The test period includes that many height test the period；
The touch-control display panel includes multiple touch-control periods, and the part touch-control period in the multiple touch-control period is used as institute
State many height test periods.
The 12. display abnormality eliminating method according to claim 9 or 10, it is characterised in that
The test period includes multiple periodically son test periods；
The touch-control display panel includes multiple periodically touch-control periods, the part in the multiple periodic touch-control period
The touch-control period is used as the multiple periodic sub- test period.
13. display abnormality eliminating methods according to claim 9, it is characterised in that the touch control display apparatus also include
Master control borad；
It is described when the feedback signal meets pre-conditioned, the process for making the video-stream processor perform reset flow includes：
When the feedback information meets it is described pre-conditioned when, output repositioning information is to the master control borad；
The master control borad exports reset instruction to the video-stream processor in response to the repositioning information；
The video-stream processor performs the reset flow in response to the reset instruction.
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| CN201710266277.2A CN106910447B (en) | 2017-04-21 | 2017-04-21 | Touch display panel, touch display device and display exception handling method |
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