CN110232888A - A kind of driving method of display panel, display device and display device - Google Patents
A kind of driving method of display panel, display device and display device Download PDFInfo
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- CN110232888A CN110232888A CN201910485201.8A CN201910485201A CN110232888A CN 110232888 A CN110232888 A CN 110232888A CN 201910485201 A CN201910485201 A CN 201910485201A CN 110232888 A CN110232888 A CN 110232888A
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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
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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Abstract
The embodiment of the invention discloses the driving methods of a kind of display panel, display device and display device.The display panel include: driving circuit, drive signal line and with the one-to-one switch unit of the drive signal line；One end of the drive signal line is electrically connected with the output end of the driving circuit, and the other end of the drive signal line is electrically connected with the input terminal of the corresponding switch unit；The display panel further includes signal lines, and the signal lines are electrically connected with the output end of the switch unit；Wherein, the switch unit is used to that the driving signal on the corresponding drive signal line to be transferred to the signal lines in conducting.Compared with prior art, the phenomenon that embodiment of the present invention avoids display panel when user's service stage there is failing line or failed areas, can not normally show information, to be conducive to improve the display mode of display panel, improves the safety of display panel.
Description
Technical field
The present embodiments relate to field of display technology more particularly to a kind of display panels, display device and display device
Driving method.
Background technique
With the continuous development of display technology, display panel application it is also more and more extensive, for example, display panel applications in
The products such as mobile phone, computer, tablet computer, e-book and information enquiry machine, additionally can be applied to instrument class display (such as
Vehicular display device) and the control panel of smart home etc..
In the prior art, for display panel applications in system application end, i.e., in user's service stage, display panel may
There is display failure line or display failed areas, to show failure image.When there is failure image in display panel, display figure
As can not normally watch, for the meters display panel of display operation information or traffic information, traveling can be seriously affected
Safety.
Summary of the invention
The embodiment of the present invention provides the driving method of a kind of display panel, display device and display device, to realize
User's service stage detects the display function of display panel, promotes the safety of display panel.
In a first aspect, the display panel includes: driving circuit, driving the embodiment of the invention provides a kind of display panel
Signal wire；With the one-to-one switch unit of the drive signal line, the switch unit includes input terminal and output end；It is described
One end of drive signal line is electrically connected with the output end of the driving circuit, the other end of the drive signal line and corresponding institute
State the input terminal electrical connection of switch unit；
The display panel further includes signal lines, and the signal lines and the output end of the switch unit are electrically connected
It connects；
Wherein, the switch unit is used to transmit the driving signal on the corresponding drive signal line in conducting
To the signal lines.
Second aspect, the embodiment of the invention also provides a kind of display device, which includes: detection module and such as
Display panel provided by any embodiment of the invention；The signal lines are electrically connected with the detection module.
The third aspect, the embodiment of the invention also provides a kind of driving method of display device, which be can be
Display device provided by any embodiment of the invention.The driving method of the display device includes: to detect rank in drive signal line
Section,
The driving circuit successively sends driving signal to the drive signal line；
The switch unit will be connected between the corresponding drive signal line and the signal lines, to believe to detection
Number line transmission detection signal；
The detection module determines the drive signal line with the presence or absence of failure according to the pulse of the detection signal.
The embodiment of the present invention by setting signal lines and with the one-to-one switch unit of drive signal line, realize
In user's service stage, the failure state of the drive signal line of display panel is detected, is used to realize in user
Detection of the stage to the display function of display panel.Display panel can carry out phase to display panel according to testing result as a result,
It drives with answering, display panel is allowed normally to show that information, or the display information of adjustment failed areas are located at non-failed area
Domain.Therefore, compared with prior art, the embodiment of the present invention avoids display panel and fail line or mistake occurs in user's service stage
When imitating region, the phenomenon that can not normally showing information, improves display surface to be conducive to improve the display mode of display panel
The safety of plate.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of display panel provided in an embodiment of the present invention；
Detection driver' s timing schematic diagram when Fig. 2 is a kind of switching means conductive provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram that a kind of display panel provided in an embodiment of the present invention shows image；
Fig. 4 is the schematic diagram that another display panel provided in an embodiment of the present invention shows image；
Fig. 5 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Fig. 7 is detection driver' s timing schematic diagram when a kind of first switch unit provided in an embodiment of the present invention is connected；
Fig. 8 is detection driver' s timing schematic diagram when a kind of second switch unit provided in an embodiment of the present invention is connected；
Fig. 9 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Detection driver' s timing schematic diagram when Figure 10 is another first switch unit conducting provided in an embodiment of the present invention；
Detection driver' s timing schematic diagram when Figure 11 is another second switch unit conducting provided in an embodiment of the present invention；
Figure 12 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Figure 13 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Figure 14 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Detection driver' s timing schematic diagram when Figure 15 is another switching means conductive provided in an embodiment of the present invention；
Figure 16 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention；
Figure 17 is a kind of flow diagram of the driving method of display device provided in an embodiment of the present invention；
Figure 18 is the flow diagram of the driving method of another display device provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
The embodiment of the invention provides a kind of display panels.Fig. 1 is a kind of display panel provided in an embodiment of the present invention
Structural schematic diagram.Referring to Fig. 1, which includes: driving circuit 100, drive signal line 200 and drive signal line 200 1
One corresponding switch unit 300.Switch unit 300 includes input terminal and output end, and one end of drive signal line 200 and driving are electric
The output end on road 100 is electrically connected, and the other end of drive signal line 200 is electrically connected with the input terminal of corresponding switch unit 300.It is aobvious
Show that panel further includes signal lines 400, signal lines 400 are electrically connected with the output end of switch unit 300.
Wherein, driving circuit 100 is used to send driving signal to the sub-pixel of display panel by drive signal line 200,
To drive sub-pixel for emitting light.When the failure conditions such as open circuit or short circuit occur for drive signal line 200, the aobvious of display panel will lead to
Diagram picture occurs abnormal.Driving circuit 100 for example can be scan drive circuit 100, and accordingly, drive signal line 200 is for example
It can be scan line；Driving circuit 100 for example can be data drive circuit 100, and accordingly, drive signal line 200 for example may be used
To be data line；Driving circuit 100 for example can be sequence drivers, and accordingly, drive signal line 200 for example can be clock
Signal wire or power signal line etc..In user's service stage, the failure of drive signal line 200 be will lead to and the drive signal line
The sub-pixel of 200 electrical connections shows abnormal, formation failure line or failed areas.
Switch unit 300 is equivalent to loop detection circuit in display panel, and switch unit 300 is used in conducting, will
Driving signal on corresponding drive signal line 200 is transferred to signal lines 400.Signal lines 400 can be with detection mould
Block electrical connection, detection module for example can be set on a display panel, and display device can also be arranged in by the way of plug-in
Other positions.Detection module determines driving signal by carrying out the detection of time-domain to the signal in signal lines 400
Line 200 is with the presence or absence of failure, and determines failed areas and non-failed region.
Illustratively, the driving method of the display panel includes driving signal detection-phase and display stage, driving signal
Detection-phase can for example execute before the display stage, so that detecting drive signal line 200 in time before normal display is
It is no to there is failure, targetedly to take display strategy.In drive signal line detection-phase, driving circuit 100 is successively to drive
Dynamic signal wire 200 sends driving signal；Switch unit 300 will be led between corresponding drive signal line 200 and signal lines 400
Logical, to transmit detection signal to signal lines 400, signal lines 400 will test signal and be sent to detection module；Detect mould
Root tuber determines drive signal line 200 with the presence or absence of failure according to the pulse in signal lines.
Detection driver' s timing schematic diagram when Fig. 2 is a kind of switching means conductive provided in an embodiment of the present invention.Referring to figure
2, signal waveform G1 are the drive signal waveform that driving circuit 100 is sent to first drive signal line 200, and signal waveform G2 is
The drive signal waveform that driving circuit 100 is sent to Article 2 drive signal line 200, signal waveform G3 be driving circuit 100 to
The drive signal waveform that Article 3 drive signal line 200 is sent, signal waveform G4 are driving circuit 100 to Article 4 driving signal
The drive signal waveform that line 200 is sent, signal waveform G5 are the drive that driving circuit 100 is sent to Article 5 drive signal line 200
Dynamic signal waveform, signal waveform G6 are the drive signal waveform that driving circuit 100 is sent to Article 6 drive signal line 200, letter
Number waveform Gn-1 is the drive signal waveform that driving circuit 100 is sent to (n-1)th drive signal line 200, and signal waveform Gn is
The drive signal waveform that driving circuit 100 is sent to nth drive signal line 200, signal waveform B are that signal lines 400 connect
The signal waveform received.When each drive signal line 200 is not breaking, the letter of waveform signal such as Fig. 2 in signal lines 400
Shown in number waveform B.As shown in Figure 2, the impulse waveform in signal lines 400 and the impulse waveform on each drive signal line 200
It corresponds.When open circuit occurs in a certain drive signal line 200, the arteries and veins of the drive signal line 200 is corresponded in signal lines 400
Waveform missing is rushed, accordingly, determines drive signal line 200 with the presence or absence of failure, and determining failed areas and non-failed region.
In the display stage, switch unit 300 is separated by corresponding drive signal line 200 and signal lines 400；If
There is failure in drive signal line 200, then control driving circuit 100 to drive signal line 200 and send driving signal, drive display surface
The display information of plate adjustment failed areas is located at non-failed region；If there is no failures for drive signal line 200, driving electricity is controlled
Road 100 sends driving signal to drive signal line 200, and driving display panel shows normal picture.
Fig. 3 is the schematic diagram that a kind of display panel provided in an embodiment of the present invention shows image, and Fig. 4 is the embodiment of the present invention
Another display panel of offer shows the schematic diagram of image.Referring to Fig. 3, failed areas 510 is located at key message display area
It is interior, affect the display of key message.Wherein, key message for example can be the information such as speed or the oil mass of Vehicular display device.
Display panel provided in an embodiment of the present invention can detecte the position of failed areas 510, therefore, in the display stage, driving circuit
Key message can be fully displayed at non-failed region 520 according to the position of failed areas 510.
The embodiment of the present invention by setting signal lines 400 and with the one-to-one switch unit of drive signal line 200
300, it realizes in user's service stage, the failure state of the drive signal line 200 of display panel is detected, to realize
Detection in user's service stage to the display function of display panel.Display panel can according to testing result, to aobvious as a result,
Show that panel is correspondingly driven, display panel is allowed normally to show information, or the display information of adjustment failed areas
Positioned at non-failed region.Therefore, compared with prior art, the embodiment of the present invention avoids display panel and goes out service stage in user
The phenomenon that now fail line or when failed areas, can not normally show information, thus be conducive to improve the display mode of display panel,
Improve the safety of display panel.
Fig. 5 is the structural schematic diagram of another display panel provided in an embodiment of the present invention.Referring to Fig. 5, in above-mentioned each reality
On the basis of applying example, optionally, display panel further includes first control signal line 610 and second control signal line 620, and switch is single
Member 300 includes the first switch unit 310 and second switch unit 320 being staggered.First control signal line 610 is opened with first
It closes unit 310 to be electrically connected, second control signal line 620 is electrically connected with second switch unit 320.
Wherein, the mode that is staggered of first switch unit 310 and second switch unit 320, can make adjacent two
Drive signal line 200 is electrically connected with first switch unit 310 and second switch unit 320 respectively, the embodiment of the present invention use compared with
The control signal wire (first control signal line 610 and second control signal line 620) and signal lines 400 of small number, can
Enough realize detects the open circuit of drive signal line 200, and can be realized the short-circuit detecting to drive signal line 200.
The mode that is staggered of first switch unit 310 and second switch unit 320, such as can be, first switch list
Member 310 is electrically connected with odd number drive signal line 200；Second switch unit 320 is electrically connected with even number drive signal line 200,
I.e. first switch unit 310 and second switch unit 320 exchange once every a drive signal line 200；Alternatively, first switch
Unit 310 and second switch unit 320 exchange once every two drive signal lines 200；Alternatively, 310 He of first switch unit
Second switch unit 320 exchanges once every a plurality of drive signal line 200.Wherein, first switch unit 310 and second switch list
Member 320 exchanges primary set-up mode every a drive signal line 200, can more accurately determine drive signal line 200
Whether short circuit and short circuit position.
Below with " first switch unit 310 is electrically connected with odd number drive signal line 200；Second switch unit 320 and idol
The set-up mode of several drive signal lines 200 electrical connection " is illustrated the testing principle of drive signal line 200.
Fig. 6 is the structural schematic diagram of another display panel provided in an embodiment of the present invention, and Fig. 7 mentions for the embodiment of the present invention
Detection driver' s timing schematic diagram when a kind of first switch unit conducting supplied, Fig. 8 are provided in an embodiment of the present invention a kind of the
Detection driver' s timing schematic diagram when two switching means conductives.
Referring to Fig. 6-Fig. 8, in Fig. 6, in position 201 open circuit occurs for Article 4 drive signal line 200.
Illustratively, to drive signal line 200 open circuit detection the following steps are included:
Driving circuit 100 successively sends driving signal to drive signal line 200, and first switch unit 310 will be corresponding each
It is connected between odd number drive signal line 200 and signal lines 400, to transmit first detection signal to signal lines 400.
Referring to Fig. 7, since odd number drive signal line 200 is not breaking, impulse waveform and each odd number item in signal lines 400 are driven
Impulse waveform on dynamic signal wire 200 corresponds.
Driving circuit 100 successively sends driving signal to drive signal line 200, and second switch unit 320 will be corresponding each
It is connected between even number drive signal line 200 and signal lines 400, to detect signal to the transmission of signal lines 400 second.
Referring to Fig. 8, since open circuit occurs for Article 4 drive signal line 200, the corresponding Article 4 drive signal line 200 of driving circuit 100
Driving signal can not be transmitted to signal lines 400, and the position of Article 4 drive signal line 200 is corresponded in signal lines 400
There is pulse missing, thereby determines that drive signal line 200 has open circuit, and off position is Article 4 drive signal line 200.
Fig. 9 is the structural schematic diagram of another display panel provided in an embodiment of the present invention, and Figure 10 is the embodiment of the present invention
Detection driver' s timing schematic diagram when another first switch unit conducting of offer, Figure 11 are provided in an embodiment of the present invention another
A kind of detection driver' s timing schematic diagram when second switch unit is connected.
Referring to Fig. 9-Figure 11, in Fig. 9, Article 2 drive signal line 200 and Article 3 drive signal line 200 are in position 202
Short circuit occurs.
Illustratively, the short-circuit detecting to drive signal line 200 the following steps are included:
Driving circuit 100 successively sends driving signal to drive signal line 200, and first switch unit 310 will be corresponding each
It is connected between odd number drive signal line 200 and signal lines 400, to transmit first detection signal to signal lines 400.
If only the driving signal on odd number drive signal line 200 is sent to signal lines there is no short circuit on display panel
400, the impulse waveform in impulse waveform and each odd number drive signal line 200 in signal lines 400 corresponds.So
And referring to Figure 10, since short circuit, driving circuit 100 occur for Article 2 drive signal line 200 and Article 3 drive signal line 200
The driving signal of corresponding Article 3 drive signal line 200 can be transmitted to signal lines 400, and, driving circuit 100 is corresponding
The driving signal of Article 2 drive signal line 200 can be transmitted to Article 3 drive signal line 200, Jin Erchuan by location of short circuit
Transport to signal lines 400.Therefore, the position of Article 3 drive signal line 200 is corresponded in signal lines 400, and pulse occur superfluous
It is remaining, thereby determine that drive signal line 200 has short circuit, and location of short circuit is that Article 2 drive signal line 200 and Article 3 drive
Signal wire 200.
Driving circuit 100 successively sends driving signal to drive signal line 200, and second switch unit 320 will be corresponding each
It is connected between even number drive signal line 200 and signal lines 400, to detect signal to the transmission of signal lines 400 second.
If short circuit is not present on display panel, the driving signal on only each even number drive signal line 200 is sent to signal lines
400, the impulse waveform in impulse waveform and each even number drive signal line 200 in signal lines 400 corresponds.So
And referring to Figure 11, since short circuit, driving circuit 100 occur for Article 2 drive signal line 200 and Article 3 drive signal line 200
The driving signal of corresponding Article 2 drive signal line 200 can be transmitted to signal lines 400, and, driving circuit 100 is corresponding
The driving signal of Article 3 drive signal line 200 can be transmitted to Article 2 drive signal line 200, Jin Erchuan by location of short circuit
Transport to signal lines 400.Therefore, the position of Article 2 drive signal line 200 is corresponded in signal lines 400, and pulse occur superfluous
It is remaining, thereby determine that drive signal line 200 has short circuit, and location of short circuit is that Article 2 drive signal line 200 and Article 3 drive
Signal wire 200.
It should be noted that in the above embodiments, schematically illustrating switch unit 300 includes first switch list
Member 310 and second switch unit 320, not limitation of the invention.The setting form of switch unit 300 can also there are many,
In practical applications, it can according to need and set.Illustratively, it further includes third switch that switch unit 300, which can be set,
Unit, third control signal wire are electrically connected with third switch unit, and first switch unit, second switch unit and third switch are single
Member successively arrange by alternate cycles, is electrically connected respectively with corresponding drive signal line 200.
Figure 12 is the structural schematic diagram of another display panel provided in an embodiment of the present invention.Referring to Figure 12, above-mentioned each
On the basis of embodiment, optionally, first switch unit 310 includes the first transistor, the control terminal of the first transistor and first
Control signal wire 610 is electrically connected, and the first end of the first transistor is electrically connected with corresponding drive signal line 200, the first transistor
Second end be electrically connected with signal lines 400.Second switch unit 320 includes second transistor, the control of second transistor
End is electrically connected with second control signal line 620, and the first end of second transistor is electrically connected with corresponding drive signal line 200, the
The second end of two-transistor is electrically connected with signal lines 400.The embodiment of the present invention using transistor as switch unit 300,
It can be in manufacture craft, by other transistors on the first transistor and second transistor and display panel in same technique
It is made, advantageously reduces process complexity, to advantageously reduce cost.
On the basis of the various embodiments described above, optionally, driving circuit 100 includes: scan drive circuit 100；Driving letter
Number line 200 includes scan line.The embodiment of the present invention is by realizing switch unit 300 and scan line electrical connection to scan line
Failure state detected.It is large number of due to the scan line that is arranged on display panel, and the break-make situation of scan line
The display of display panel is directly affected, therefore, the detection to scan line is conducive to whether the display image to display panel is deposited
It is prejudged in failure line.
On the basis of the various embodiments described above, optionally, driving circuit 100 includes: data drive circuit 100；Driving letter
Number line 200 includes data line.The embodiment of the present invention is by realizing switch unit 300 and data line electrical connection to data line
Failure state detected.
Figure 13 is the structural schematic diagram of another display panel provided in an embodiment of the present invention.Referring to Figure 13, above-mentioned each
On the basis of embodiment, the embodiment of the invention also provides a kind of specific embodiment, which includes turntable driving
Circuit 110, data drive circuit 120, scan line 210, data line 220 and odd number scan line 210 one-to-one first are brilliant
Body pipe T1, with the one-to-one second transistor T2 of even number article scan line 210, with odd number data line 220 one-to-one the
Three transistor T3, it is controlled with the one-to-one 4th transistor T4 of even number data line 220, third control signal wire the 630, the 4th
Signal wire 640, the 5th control signal wire 650, the 6th control signal wire 660, Scanning Detction signal wire 410 and data reception signals
Line 420.
One end of each odd number scan line 210 is electrically connected with the output end of scan drive circuit 110, each odd number scan line
210 other end is electrically connected with the first end of corresponding the first transistor T1.The control terminal and third of the first transistor T1 controls
Signal wire 630 is electrically connected, and the second end of the first transistor T1 is electrically connected with Scanning Detction signal wire 410.
One end of each even number scan line 210 is electrically connected with the output end of scan drive circuit 110, each even number scan line
210 other end is electrically connected with the first end of corresponding second transistor T2.The control terminal of second transistor T2 and the 4th control
Signal wire 640 be electrically connected, the second end of second transistor T2 be electrically connected.
One end of each odd number data line 220 is electrically connected with the output end of data drive circuit 120, each even number data line
220 other end is electrically connected with the first end of corresponding third transistor T3.The control terminal of third transistor T3 and the 5th control
Signal wire 650 is electrically connected, and the second end of third transistor T3 is electrically connected with data reception signals line 420.
One end of each even number data line 220 is electrically connected with the output end of data drive circuit 120, each even number data line
220 other end is electrically connected with the first end of corresponding 4th transistor T4.The control terminal of 4th transistor T4 and the 6th control
Signal wire 660 be electrically connected, the second end of the 4th transistor T4 be electrically connected.
Illustratively, the driving method of the display panel includes drive signal line detection-phase and display stage.It is driving
Signal wire detection-phase, scan drive circuit 110 successively send scanning signal to scan line 210；The first transistor T1 is by odd number
It is connected between horizontal scanning line 210 and Scanning Detction signal wire 410, to transmit the first Scanning Detction to Scanning Detction signal wire 410
Signal；Detection module determines the invalid position of odd number horizontal scanning line 210 according to the pulse of the first Scanning Detction signal；Scanning is driven
Dynamic circuit 110 successively sends scanning signal to scan line 210；Second transistor T2 by even number horizontal scanning line 210 and between be connected,
With to transmission the second Scanning Detction signal；Detection module determines even number horizontal scanning line according to the pulse of the second Scanning Detction signal
210 invalid position；Data drive circuit 120 successively sends data-signal to data line 220；Third transistor T3 is by odd-numbered line
It is connected between data line 220 and data reception signals line 420, to transmit the first Data Detection letter to data reception signals line 420
Number；Detection module determines the invalid position of odd row data line 220 according to the pulse of the first data reception signals；Data-driven
Circuit 120 successively sends data-signal to data line 220；4th transistor T4 examines even number line data line 220 and the second data
It surveys between signal wire 400 and is connected, to transmit the second data reception signals to the second data reception signals line 400；Detection module root
According to the pulse of the second data reception signals, the invalid position of even number line data line 220 is determined；Detection module is according to scan line 210
Invalid position and data line 220 invalid position, determine failed areas and non-failed region.
In the display stage, the first transistor T1, second transistor T2, third transistor T3 and the 4th transistor T4 are closed
Disconnected, if scan line 210 or data line 220 have failure, the display information for adjusting failed areas is located at non-failed region.
Wherein, it includes: to show the graphical information of failed areas that the display information of whole failed areas, which is located at non-failed region,
For text information, and it is moved to non-failed region；Alternatively, the font of the text information of failed areas is turned down, and it is moved to non-
Failed areas.Wherein, compared with graphical information, the area of the occupied viewing area of text information is smaller, is conducive to the area that will fail
The information in domain is moved to non-failed region, so that there are can also show to need complete letter to be shown when failed areas for display panel
Breath.
The embodiment of the present invention detects data line 220 and 210 timesharing of scan line, this have the advantage that, it avoids
Data line 220 and scan line 210 are detected simultaneously so that display panel is the phenomenon that detection-phase is shown, not to this hair
Bright restriction can also be arranged data line 220 and scan line 210 is detected simultaneously as needed in other embodiments,
Detection time can be reduced by carrying out detection simultaneously.
Figure 14 is the structural schematic diagram of another display panel provided in an embodiment of the present invention.Referring to Figure 14, above-mentioned each
On the basis of embodiment, optionally, signal lines include first detection signal line 410 and the second signal lines 420；Switch
Unit includes the first switch unit 310 and second switch unit 320 being staggered；First detection signal line 410 is opened with first
The output end electrical connection of unit 410 is closed, the second signal lines 320 are electrically connected with the output end of second switch unit 320.
Illustratively, first switch unit 310 is electrically connected with odd number drive signal line 200；Second switch unit 320 with
Even number drive signal line 200 is electrically connected, detection to drive signal line 200 the following steps are included:
Driving circuit 100 successively sends driving signal to drive signal line 200, and first switch unit 310 is by corresponding drive
It is connected between dynamic signal wire 200 and first detection signal line 410, to transmit first detection signal to first detection signal line 410；
Second switch unit 320 will be connected between corresponding drive signal line 200 and the second signal lines 420, to detect to second
The transmission of signal wire 420 second detection signal.
Detection driver' s timing schematic diagram when Figure 15 is another switching means conductive provided in an embodiment of the present invention.Referring to
Figure 15, signal waveform B1 are the signal waveform that first detection signal line 410 receives, and signal waveform B2 is the second signal lines
420 signal waveforms received.If circuit break and short circuit is not present on display panel, the driving on odd number drive signal line 200
Signal is sent to first detection signal line 410, the impulse waveform on first detection signal line 410 and each odd number drive signal line
Impulse waveform on 200 corresponds；Driving signal on even number drive signal line 200 is sent to the second signal lines
420, the impulse waveform in impulse waveform and each even number drive signal line 200 in the second signal lines 420 corresponds.
If there is open circuit on display panel, corresponding driving letter on first detection signal line 410 or the second signal lines 420
The impulse waveform missing of number line 200.If there are short circuit, first detection signal line 410 or the second signal lines on display panel
The impulse waveform redundancy of drive signal line 200 is corresponded on 420.Therefore, the embodiment of the present invention believes driving in this way, realizing
The short-circuit detecting and open circuit detection of number line.
With continued reference to Figure 14, on the basis of the various embodiments described above, optionally, display panel includes viewing area 710 and non-
Viewing area 720；Switch unit 300 and driving circuit 100 are respectively arranged at the non-display area 720 of 710 two sides of viewing area.The present invention
Switch unit 300 is arranged in the opposite side of driving circuit 100 in embodiment, without excessively being extended drive signal line 200
It is connect with switch unit 300, is conducive to the wiring of display panel.
The embodiment of the invention also provides a kind of display devices.Figure 16 is a kind of display device provided in an embodiment of the present invention
Structural schematic diagram.Referring to Figure 16, which includes: detection module 20 and shows as provided by any embodiment of the invention
Show panel 10, signal lines 400 are electrically connected with detection module 20.Wherein, signal lines 400 can be with 20 electricity of detection module
Connection, detection module 20 for example can be set on display panel 10, and display device can also be arranged in by the way of plug-in
Other positions.Detection module 20 determines driving letter by carrying out the detection of time-domain to the signal in signal lines 400
Number line is with the presence or absence of failure, and determines failed areas and non-failed region.
The embodiment of the present invention on display panel 10 by being arranged signal lines 400 and corresponding with drive signal line
Switch unit, realize in user's service stage, the failure state of the drive signal line of display panel 10 detected, from
And realize the detection in user's service stage to the display function of display panel 10.Display device can be according to detection as a result,
As a result, correspondingly being driven to display panel 10, display panel 10 is allowed normally to show information, or adjustment failure area
The display information in domain is located at non-failed region.Therefore, compared with prior art, the embodiment of the present invention avoids display panel 10 and exists
The phenomenon that user's service stage occurs failing line or when failed areas, can not normally show information, to be conducive to improve display
The display mode of panel 10 improves the safety of display panel 10.
The embodiment of the invention also provides a kind of driving method of display device, the driving method of the display device can be applied
In display device provided by any embodiment of the invention.Figure 17 is a kind of driving of display device provided in an embodiment of the present invention
The flow diagram of method.Referring to Figure 17, the driving method of display device the following steps are included:
S110, in drive signal line detection-phase, driving circuit successively sends driving signal to drive signal line；Switch is single
Member will be connected between corresponding drive signal line and signal lines, to transmit detection signal to signal lines.
S120, detection module determine drive signal line with the presence or absence of failure according to the pulse of detection signal.
The embodiment of the present invention is by the way that in drive signal line detection-phase, driving circuit successively sends to drive signal line and drives
Signal；Switch unit will be connected between corresponding drive signal line and signal lines, to transmit detection letter to signal lines
Number；Detection module determines that drive signal line with the presence or absence of failure, realizes and uses rank in user according to the pulse of detection signal
Section, detects the failure state of the drive signal line of display panel, to realize in user's service stage to display surface
The detection of the display function of plate.Display device correspondingly can drive display panel, be made according to testing result as a result,
Obtaining display panel can normally show that information, or the display information of adjustment failed areas are located at non-failed region.Therefore, and now
There is technology to compare, the embodiment of the present invention avoids display panel when user's service stage there is failing line or failed areas, nothing
Method normally shows the phenomenon that information, to be conducive to improve the display mode of display panel, improves the safety of display panel.
On the basis of the various embodiments described above, optionally, switch unit is by corresponding drive signal line and signal lines
Between be connected, with to signal lines transmit detection signal, comprising:
First switch unit will be connected between corresponding drive signal line and signal lines, to transmit to signal lines
First detection signal；
Second switch unit will be connected between corresponding drive signal line and signal lines, to transmit to signal lines
Second detection signal.
On the basis of the various embodiments described above, optionally, switch unit is by corresponding drive signal line and signal lines
Between be connected, with to signal lines transmit detection signal, comprising:
First switch unit will be connected between corresponding drive signal line and first detection signal line, to believe to the first detection
Number line transmits first detection signal；
Second switch unit will be connected between corresponding drive signal line and the second signal lines, to believe to the second detection
Number line transmission the second detection signal.
On the basis of the various embodiments described above, optionally, according to the pulse of detection signal, determine whether drive signal line is deposited
It is failing, comprising:
If first detection signal increases there are pulse or the second detection signal is there are pulse increase, drive signal line exists
Short circuit.
On the basis of the various embodiments described above, optionally, according to the pulse of detection signal, determine whether drive signal line is deposited
It is failing, comprising:
If detecting signal there are pulse missing, there is open circuit in drive signal line.
On the basis of the various embodiments described above, optionally, the driving method of display device, further includes:
Scan drive circuit successively sends scanning signal to scan line；
Switch unit will be connected between corresponding scan line and Scanning Detction signal wire, to transmit to Scanning Detction signal wire
Scanning Detction signal；
Detection module determines the invalid position of scan line according to the pulse of Scanning Detction signal；
Data drive circuit successively sends data-signal to data line；
Switch unit will be connected between corresponding data line and data reception signals line, to transmit to data reception signals line
Data reception signals；
Detection module detects the pulse according to Scanning Detction signal, determines the invalid position of data line；
Detection module determines failed areas and non-failed area according to the invalid position of scan line and the invalid position of data line
Domain.
Figure 18 is the flow diagram of the driving method of another display device provided in an embodiment of the present invention.Referring to figure
18, on the basis of the various embodiments described above, optionally, the driving method of display device the following steps are included:
S210, in drive signal line detection-phase, driving circuit successively sends driving signal to drive signal line；Switch is single
Member will be connected between corresponding drive signal line and signal lines, to transmit detection signal to signal lines.
S220, detection module determine drive signal line with the presence or absence of failure according to the pulse of detection signal.
S230, in the display stage, switch unit is separated by corresponding drive signal line and signal lines；If driving
There is failure in signal wire, then be located at non-failed region in the display information of display stage adjustment failed areas.
On the basis of the various embodiments described above, optionally, it is located in the display information of display stage adjustment failed areas non-
Failed areas, comprising:
The display information of failed areas is moved to non-failed region.
On the basis of the various embodiments described above, optionally, it is located in the display information of display stage adjustment failed areas non-
Failed areas, comprising:
The graphical information of failed areas is shown as text information, and is moved to non-failed region；
Alternatively, the font of the text information of failed areas is turned down, and it is moved to non-failed region.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (18)
1. a kind of display panel characterized by comprising driving circuit, drive signal line；It is a pair of with the drive signal line one
The switch unit answered, the switch unit include input terminal and output end；One end of the drive signal line and driving electricity
The output end on road is electrically connected, and the other end of the drive signal line is electrically connected with the input terminal of the corresponding switch unit；
The display panel further includes signal lines, and the signal lines are electrically connected with the output end of the switch unit；
Wherein, the switch unit is used to that the driving signal on the corresponding drive signal line to be transferred to institute in conducting
State signal lines.
2. display panel according to claim 1, which is characterized in that further include first control signal line and the second control letter
Number line；
The switch unit includes the first switch unit and second switch unit being staggered；
The first control signal line is electrically connected with the first switch unit, and the second control signal line is opened with described second
Close unit electrical connection.
3. display panel according to claim 2, which is characterized in that the first switch unit includes the first transistor,
The control terminal of the first transistor is electrically connected with the first control signal line, the first end of the first transistor with it is corresponding
Drive signal line electrical connection, the second end of the first transistor is electrically connected with the signal lines；
The second switch unit includes second transistor, the control terminal of the second transistor and the second control signal line
Electrical connection, the first end of the second transistor and corresponding drive signal line electrical connection, the of the second transistor
Two ends are electrically connected with the signal lines.
4. display panel according to claim 1, which is characterized in that the signal lines include first detection signal line
With the second signal lines；
The switch unit includes the first switch unit and second switch unit being staggered；
The first detection signal line is electrically connected with the output end of the first switch unit, second signal lines and institute
State the output end electrical connection of second switch unit.
5. display panel according to claim 2 or 4, which is characterized in that described in the first switch unit and odd number item
Drive signal line electrical connection；The second switch unit is electrically connected with drive signal line described in even number item.
6. display panel according to claim 1, which is characterized in that the driving circuit includes: scan drive circuit；
The drive signal line includes scan line.
7. display panel according to claim 1, which is characterized in that the driving circuit includes: data drive circuit；
The drive signal line includes data line.
8. display panel according to claim 1, which is characterized in that the display panel includes viewing area and non-display
Area；
The switch unit and the driving circuit are respectively arranged at the non-display area of the viewing area two sides.
9. a kind of display device characterized by comprising detection module and such as described in any item display surfaces of claim 1-8
Plate；The signal lines are electrically connected with the detection module.
10. a kind of driving method of display device, which is characterized in that the display device include: detection module, driving circuit,
Drive signal line；With the one-to-one switch unit of the drive signal line, the switch unit includes input terminal and output end；
One end of the drive signal line is electrically connected with the output end of the driving circuit, the other end of the drive signal line with it is corresponding
The switch unit input terminal electrical connection；
The display device further includes signal lines, the output end electricity of one end of the signal lines and the switch unit
Connection, the other end of the signal lines are electrically connected with the detection module；
The driving method of the display device include: in drive signal line detection-phase,
The driving circuit successively sends driving signal to the drive signal line；
The switch unit will be connected between the corresponding drive signal line and the signal lines, with to signal lines
Transmission detection signal；
The detection module determines the drive signal line with the presence or absence of failure according to the pulse of the detection signal.
11. the driving method of display device according to claim 10, which is characterized in that the display device further includes
One control signal wire and second control signal line；
The switch unit includes first switch unit and second switch unit；
The first control signal line is electrically connected with the first switch unit, is driven described in the first switch unit and odd number item
Dynamic signal wire electrical connection；
The second control signal line is electrically connected with the second switch unit, is driven described in the second switch unit and even number item
Dynamic signal wire electrical connection；
The switch unit will be connected between the corresponding drive signal line and the signal lines, with to signal lines
Transmission detection signal, comprising:
The first switch unit will be connected between the corresponding drive signal line and the signal lines, with to the inspection
It surveys signal wire and transmits first detection signal；
The second switch unit will be connected between the corresponding drive signal line and the signal lines, with to the inspection
Survey signal wire transmission the second detection signal.
12. the driving method of display device according to claim 10, which is characterized in that the signal lines include the
One signal lines and the second signal lines；
The switch unit includes the first switch unit and second switch unit being staggered；
The first detection signal line is electrically connected with the output end of the first switch unit, second signal lines and institute
State the output end electrical connection of second switch unit；
The switch unit will be connected between the corresponding drive signal line and the signal lines, with to signal lines
Transmission detection signal, comprising:
The first switch unit will be connected between the corresponding drive signal line and the first detection signal line, with to institute
State first detection signal line transmission first detection signal；
The second switch unit will be connected between the corresponding drive signal line and second signal lines, with to institute
State the second signal lines transmission the second detection signal.
13. the driving method of display device according to claim 11 or 12, which is characterized in that
According to the pulse of the detection signal, determine the drive signal line with the presence or absence of failure, comprising:
If the first detection signal increases there are pulse or the second detection signal is there are pulse increase, the driving is believed
There is short circuit in number line.
14. the driving method of display device according to claim 10, which is characterized in that
According to the pulse of the detection signal, determine the drive signal line with the presence or absence of failure, comprising:
If there are pulse missing, the drive signal lines there is open circuit for the detection signal.
15. the driving method of display device according to claim 10, which is characterized in that the driving circuit includes scanning
Driving circuit and data drive circuit, the drive signal line include scan line and data line；The signal lines include number
According to signal lines and Scanning Detction signal wire；
The driving method of the display device, further includes:
The scan drive circuit successively sends scanning signal to the scan line；
The switch unit will be connected between the corresponding scan line and the Scanning Detction signal wire, to examine to the scanning
It surveys signal wire and transmits Scanning Detction signal；
The detection module determines the invalid position of the scan line according to the pulse of the Scanning Detction signal；
The data drive circuit successively sends data-signal to the data line；
The switch unit will be connected between the corresponding data line and the data reception signals line, to examine to the data
It surveys signal wire and transmits data reception signals；
The detection module detection determines the invalid position of the data line according to the pulse of the Scanning Detction signal；
The detection module according to the invalid position of the scan line and the invalid position of the data line, determine failed areas and
Non-failed region.
16. the driving method of display device according to claim 15, which is characterized in that further include: the display stage；Institute
The display stage is stated,
The switch unit is separated by the corresponding drive signal line and the signal lines；
If the drive signal line has failure, it is located at institute in the display information that the display stage adjusts the failed areas
State non-failed region.
17. the driving method of display device according to claim 16, which is characterized in that adjust institute in the display stage
The display information for stating failed areas is located at the non-failed region, comprising:
The display information of the failed areas is moved to the non-failed region.
18. the driving method of display device according to claim 16, which is characterized in that adjust institute in the display stage
The display information for stating failed areas is located at the non-failed region, comprising:
The graphical information of the failed areas is shown as text information, and is moved to the non-failed region；
Alternatively, the font of the text information of the failed areas is turned down, and it is moved to the non-failed region.
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