CN105975129A - Display panel as well as test method and application method thereof - Google Patents
Display panel as well as test method and application method thereof Download PDFInfo
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- CN105975129A CN105975129A CN201610289445.5A CN201610289445A CN105975129A CN 105975129 A CN105975129 A CN 105975129A CN 201610289445 A CN201610289445 A CN 201610289445A CN 105975129 A CN105975129 A CN 105975129A
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- touch control
- control electrode
- input
- touch
- display floater
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention provides a display panel as well as a test method and an application method thereof. The display panel comprises a substrate, a first touch electrode group, a second touch electrode group and a driving module, wherein the substrate comprises a display area and a non-display area; the first touch electrode group comprises a plurality of first touch electrodes in the display area of the substrate; each first touch electrode is electrically connected with a first input end through a touch signal output wire and a first switch device; the second touch electrode group comprises a plurality of touch electrodes in the display area of the substrate; each second touch electrode is electrically connected with a second input end through a touch signal output wire and a first switch device; the first touch electrodes and the second touch electrodes form a touch electrode array; the driving module is electrically connected with a control end and the second input end of each first switch device, respectively; and the driving module is at least electrically connected with the first input end through a second switch device. According to the display panel as well as the test method and the application method thereof, the non-uniform display caused by non-uniform voltage of public electrodes can be improved, and the driving ability of the public electrodes can be strengthened.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of display floater and method of testing thereof,
Using method.
Background technology
Due to the ease for use of touch screen, the multifunctionality of operation and the price constantly declined and steadily
The yield improved, it is more and more universal that they are just becoming.Touch screen divides according to its position cocoa arranged
For external hanging type with embedded, the panel with touch controllable function can be positioned in front of the display by external hanging type
Side, touch-surface covers the viewing area of viewing area, it is achieved touch-control.Embedded, by touch-control merit
Can be integrated on panel, protection glass is sticked in outside, and user touches screen, Ji Keshi by finger
Now operate.
The thickness of complexity and display floater in order to reduce processing technology further, in prior art
Propose a kind of display floater that public electrode is multiplexed with touch control electrode.Fig. 1 is in prior art
Display floater in the schematic diagram of touch control electrode.As it is shown in figure 1, be display surface of the prior art
Plate includes the self-tolerant touch control electrode (1 ' and 2 ') of multiple matrix arrangement.Each independent touch-control
Electrode is all to be formed by ITO common electrode, is drawn out to outside array each via independent output bus,
Receiving the most independent preamplifier 3 ', touch-control stage and the display stage of usual display floater divide
Time operation.When display, drive circuit applies common electric voltage in self-tolerant touch control electrode and is allowed to make
Use for public electrode;When touch control detection, drive circuit applies to touch in self-tolerant touch control electrode
Control detection signal, to realize touch control detection.
Fig. 2 is that in display floater of the prior art, touch control electrode connects in the module of test phase
Figure.As in figure 2 it is shown, have in the manufacturing process of display floater one VT test (Visual Test,
Visual testing) stage.In VT tests, public electrode would generally be divided into the first common electrode group
With the second common electrode group (or more groups), the first common electrode group includes multiple first self-tolerant
Touch control electrode 1 ', each first self-tolerant touch control electrode 1 ' in the first common electrode group is led to respectively
Cross a switching device 4 ' and be connected to first input end 51 '.Second common electrode group includes multiple second
Self-tolerant touch control electrode 2 ', each second self-tolerant touch control electrode 2 ' in the second common electrode group
It is connected to the second input 52 ' respectively by one first switching device 4 '.During test, by
One input 51 ' inputs the signal of different voltages with the second input 52 ', makes display floater produce
The horizontal stripe pattern at raw light and shade interval judges that the break-make situation of circuit (can also the chessboard at light and shade interval
Grid pattern or the nicking pattern at light and shade interval).The control end of all switching devices 4 ' connects respectively
Receive a switch master control end 53 '.Switching device 4 ' can include at least one thin film transistor (TFT)
(TFT), but be not limited.First input end 51 ', the second input 52 ' and switch
Master control end 53 ' all in be integrated in a testing weld pad 5.
Prior art closes all first switching devices 4 ' by identical by switch master control end 53 '
Public electrode short circuit in packet, by picture or other special frames (horizontal stroke at light and shade interval of diagram
Candy strip), detect public electrode break-make road;In the touch-control stage, pass through flexible PCB
(FPC) line directly disconnects the first switching device 4 ', and each public electrode is by integrated circuit (IC)
Drive respectively.
In prior art, public electrode is divided into many blocks then by the driving serial ports that integrated circuit is different
(I/O port) drives, owing to the driving voltage of different driving serial ports there are differences, and panel public affairs everywhere
The voltage of common electrode is interval not quite identical in display, causes finding out not on whole Display panel
All.
Fig. 3 is the signal that the touch control electrode in display floater of the prior art is in display state
Figure.As it is shown on figure 3, each the first self-tolerant touch control electrode 1 ' and second self-tolerant in display floater
Touch control electrode 2 ' is all multiplexed with public electrode, but, prior art can be divided due to public electrode
Do not obtain different driving voltages and (Fig. 3 fills, by different, the driving electricity that pattern represents different
Pressure) so that the display brightness of the pixel region corresponding to public electrode is uneven.Obviously, this often
Situation that between individual public electrode, voltage is uneven or cause overall display effect to look uneven, sternly
Ghost image rings the display effect of display floater
Summary of the invention
For the problems of the prior art, it is an object of the invention to provide display floater and test thereof
Method, using method, it is possible to improve the display caused because of the voltage inequality of public electrode uneven, and
And strengthen the driving force of public electrode.
A kind of display floater that the embodiment of the present invention provides, including:
Substrate, including viewing area and non-display area;
First touch control electrode group, including multiple first touch-controls of the viewing area being arranged at described substrate
Electrode, each described first touch control electrode passes through a touch signal output lead and one first switching device
It is electrically connected to a first input end;
Second touch control electrode group, including multiple second touch-controls of the viewing area being arranged at described substrate
Electrode, each described second touch control electrode passes through a touch signal output lead and one first switching device
It is electrically connected to one second input, described first touch control electrode and described second touch control electrode and forms touch-control
Electrod-array;And
One drives module, is electrically connected the control end and described the of each described first switching device
Two inputs, and described driving module is at least through a second switch device electrical connection described first
Input.
Preferably, the control end of described first switching device is electrically connected respectively to one first on-off control
End, described first switch control terminal connects described driving module;
The control end of described second switch device be electrically connected to one second switch control end, described second
Switch control terminal connects described driving module.
Preferably, also include a testing weld pad, be positioned at the non-display area of described substrate;
Described first switch control terminal, second switch control end, first input end and the second input
End is integrated in described testing weld pad.
Preferably, described first switching device, second switch device and driving module are positioned at described non-
Viewing area.
Preferably, described first switching device, second switch device all include at least one film crystal
Pipe, the control end controlling end and second switch device of described first switching device is all grid.
Preferably, described touch control electrode is self-capacitance touch control electrode or mutual capacitance touch control electrode.
Preferably, in described touch control electrode array, the touch control electrode electrical connection of odd-numbered line is described first defeated
Enter end;
In described touch control electrode array, the touch control electrode of even number line electrically connects described second input.
Preferably, in described touch control electrode array, the touch control electrode electrical connection of odd column is described first defeated
Enter end;
In described touch control electrode array, the touch control electrode of even column electrically connects described second input.
Preferably, the touch control electrode of even number line even column and odd-numbered line in described touch control electrode array
The touch control electrode of odd column electrically connects described first input end;
The touch control electrode of odd-numbered line even column and even number line odd column in described touch control electrode array
Touch control electrode electrically connects described second input.
Preferably, described driving module includes the one first input voltage module and one of mutual short circuit
Two input voltage modules, described first input voltage module electrically connects described first input end, described
Second input voltage module electrically connects described second input.
The embodiment of the present invention also provides for the method for testing of a kind of display floater, uses above-mentioned display surface
Plate, including: when being in test phase, described first switching device is configured to conducting, and described the
Two switching devices are configured to open circuit, detect described first touch control electrode group and the second touch-control electricity respectively
Break-make road between the group of pole.
The embodiment of the present invention also provides for the using method of a kind of display floater, uses above-mentioned display surface
Plate, including:
When being in the touch control detection stage, described first switching device and second switch device are all configured
For open circuit, the open circuit each other of described touch control electrode;And
When being in the display stage, described first switching device and second switch device are configured to lead
Logical, described touch control electrode short circuit each other, described touch control electrode is multiplexed with public electrode.
The embodiment of the present invention also provides for the using method of a kind of display floater, uses above-mentioned display surface
Plate, including:
When being in the touch control detection stage, described first switching device and second switch device are all configured
For open circuit, described first input end and the second input end grounding, described touch control electrode is broken each other
Road;And
When being in the display stage, described first switching device and second switch device are configured to lead
Logical, described first input end and the second input input service voltage, described touch control electrode mutually it
Between short circuit, described touch control electrode is multiplexed with public electrode.
The display floater of the present invention and method of testing thereof, using method have the advantage that
It is uneven that the present invention can improve the display caused because of the voltage inequality of public electrode, and strengthens
The driving force of public electrode.
Accompanying drawing explanation
The detailed description with reference to the following drawings, non-limiting example made by reading, the present invention
Other features, objects and advantages will become more apparent upon.
Fig. 1 is the schematic diagram of touch control electrode in display floater of the prior art;
Fig. 2 is that in display floater of the prior art, touch control electrode connects in the module of test phase
Figure;
Fig. 3 is the signal that the touch control electrode in display floater of the prior art is in display state
Figure;
Fig. 4 be in the display floater in first embodiment of the invention touch control electrode at the mould of test phase
Block connects figure;
Fig. 5 is the circuit diagram of touch control electrode in the display floater in first embodiment of the invention;
Fig. 6 is that in the display floater in first embodiment of the invention, touch control electrode is in the touch-control stage
Schematic diagram;
Fig. 7 is that in the display floater in first embodiment of the invention, touch control electrode is in the display stage
Schematic diagram;
Fig. 8 be in the display floater in second embodiment of the invention touch control electrode at the mould of test phase
Block connects figure;And
Fig. 9 is the circuit diagram of touch control electrode in the display floater in second embodiment of the invention.
Detailed description of the invention
It is described more fully with example embodiment referring now to accompanying drawing.But, example embodiment
Can implement in a variety of forms, and be not understood as limited to embodiment set forth herein;Phase
Instead, it is provided that these embodiments make the present invention will fully and completely, and by example embodiment
Design conveys to those skilled in the art all sidedly.The most identical reference represents identical
Or similar structure, thus repetition thereof will be omitted.
Fig. 4 be in the display floater in first embodiment of the invention touch control electrode at the mould of test phase
Block connects figure.Fig. 5 is the circuit diagram of touch control electrode in the display floater in first embodiment of the invention.
As shown in Figures 4 and 5, the display floater of the present invention, including: substrate the 10, first touch control electrode group,
Second touch control electrode group, testing weld pad 5 and driving module 7.Substrate 10 include viewing area and
Non-display area.First touch control electrode group includes being arranged at multiple the first of the viewing area of substrate 10
Touch control electrode 1, each first touch control electrode 1 is by a touch signal output lead and one first derailing switch
Part 4 is electrically connected to a first input end 51.Second touch control electrode group includes being arranged at the aobvious of substrate 10
Show that multiple second touch control electrode 2 in region, each second touch control electrode 2 are exported by a touch signal
Line and one first switching device 4 are electrically connected to one second input 52.First touch control electrode 1 and
Two touch control electrode 2 form touch control electrode array.Module 7 is driven to be electrically connected each first derailing switch
The control end of part 4 and the second input 52, and drive module 7 at least through a second switch device
Part 6 electrically connects first input end 51.
The control end of the first switching device 4 in the present invention is electrically connected respectively to one first on-off control
End 53, the first switch control terminal 53 connects driving module 7.The control end electricity of second switch device 6
Being connected to a second switch and control end 54, second switch controls end 54 and connects driving module 7.Test
Pad 5 is positioned at the non-display area of substrate 10.First switch control terminal 53, second switch control end
54, first input end 51 and the second input 52 are integrated in testing weld pad 5.Wherein, first open
Close device 4, second switch device 6 and drive module 7 to be positioned at non-display area.Touch control electrode is certainly
Capacitance touching control electrode or mutual capacitance touch control electrode.
See Fig. 4, in the touch control electrode array in the present invention, at the driving module 7 of Fig. 4 under
Upwards count, including first row touch control electrode (the first touch control electrode 1), secondary series touch control electrode (
Two touch control electrode 2), the 3rd row touch control electrode (the first touch control electrode 1) and the 4th row touch-control electricity
Pole (the second touch control electrode 2).Wherein, the touch control electrode (the first touch control electrode 1) of odd-numbered line is all
Electrical connection first input end 51, the touch control electrode (the second touch control electrode 2) of even number line is both electrically connected with the
Two inputs 52, make display floater produce the horizontal stripe pattern at light and shade interval to judge the logical of circuit
Disconnected situation, but be not limited.
In other change case, the most multiple different connected modes:
The touch control electrode electrical connection first input end 51 of odd column, touch control electrode in touch control electrode array
In array, the touch control electrode of even column electrically connects the second input 52, makes display floater produce light and shade
The nicking pattern at interval judges the break-make situation of circuit.
Or, the touch control electrode of even number line even column and odd-numbered line odd number in touch control electrode array
The touch control electrode electrical connection first input end 51 of row, in touch control electrode array, odd-numbered line even column touches
The touch control electrode of control electrode and even number line odd column electrically connects the second input 52, makes display surface
The gridiron pattern pattern at plate generation light and shade interval judges the break-make situation of circuit.
See Fig. 5, Fig. 5 specifically illustrates the first switching device 4 and second switch device 6
Circuit connecting mode.First switching device 4 can be brilliant by the first film transistor 41 and the second thin film
Body pipe 42 forms, but is not limited.The first film transistor 41 and the second thin film transistor (TFT) 42
Grid connect the first switch control terminal 53 respectively, by the first switch control terminal 53 control realization conduit
Or cut-off.
The drain electrode of the first film transistor 41 and the drain electrode of the second thin film transistor (TFT) 42 connect one jointly
First touch control electrode 1 or second touch control electrode 2.
The source electrode of the first film transistor 41 connects driving module 7, is connected with the first touch control electrode 1
The second thin film transistor (TFT) 42 source electrode connect first input end 51, be connected with the second touch control electrode 2
The source electrode of the second thin film transistor (TFT) 42 connect the second input 52.
Further, second switch device 6 is a thin film transistor (TFT), but is not limited.
When the first switching device 4 meets VGL, when second switch device 6 meets VGL, public electrode
Be partitioned the driving serial ports being each connected to correspondence, the first touch control electrode 1 and the second touch control electrode 2 it
Between be disconnected.And when the first switching device 4 meets VGH, when second switch device 6 meets VGH,
All public electrodes are shorted together.
Present invention also offers the method for testing of a kind of display floater, use above-mentioned display floater,
Including: when being in test phase, the first switching device 4 is configured to conducting, second switch device 6
It is configured to open circuit, detects the break-make between the first touch control electrode group and the second touch control electrode group respectively
Road.
Present invention also offers the using method of a kind of display floater, use above-mentioned display floater, bag
Include:
Fig. 6 is that in the display floater in first embodiment of the invention, touch control electrode is in the touch-control stage
Schematic diagram.As shown in Figure 6, when being in the touch control detection stage, the first switching device 4 and second switch
Device 6 is configured to open circuit, touch control electrode open circuit each other.Each first touch control electrode 1 He
Second touch control electrode 2 is connected respectively to different driving serial ports.
Fig. 7 is that in the display floater in first embodiment of the invention, touch control electrode is in the display stage
Schematic diagram.During as it is shown in fig. 7, be in the display stage, the first switching device 4 and second switch device
6 are configured to conducting, and touch control electrode short circuit each other, touch control electrode is multiplexed with common electrical
Pole.Each first touch control electrode 1 can effectively prevent together with being shorted to the second touch control electrode 2
The situation that voltage is uneven.
Present invention also offers the using method of a kind of display floater, use the above-mentioned panel that shows, bag
Including: when being in the touch control detection stage, the first switching device 4 and second switch device 6 are configured to
Open circuit, first input end 51 and the second input 52 ground connection, touch control electrode open circuit each other.
When being in the display stage, the first switching device 4 and second switch device 6 are configured to lead
Logical, first input end 51 and the second input 52 input service voltage, touch control electrode is the shortest
Connecing, touch control electrode is multiplexed with public electrode.
Fig. 8 be in the display floater in second embodiment of the invention touch control electrode at the mould of test phase
Block connects figure.Fig. 9 is the circuit diagram of touch control electrode in the display floater in second embodiment of the invention.
As shown in FIG. 8 and 9, the display floater of second embodiment of the invention and the display floater of first embodiment
Difference be, drive in module 7 one first input voltage module 71 He also including mutual short circuit
One second input voltage module 72, the first input voltage module 71 electrically connects first input end 51, the
Two input voltage modules 72 electrically connect the second input 52.Second embodiment is at the base of first embodiment
First touch control electrode 1 and the second touch control electrode 2 are respectively connecting on plinth drive two electricity of module 7
Pressure output Pin foot, the driving force of public electrode during to strengthen the display stage, can improve further
The display caused because of public electrode piecemeal is uneven.
The present embodiment additionally provides a kind of display device, can include any one display surface above-mentioned
Plate.Display device can be mobile phone, desktop computer, notebook, panel computer, electron album
Deng.
To sum up, the display floater of the present invention and method of testing thereof, using method can be improved because of public
The display that the voltage inequality of electrode causes is uneven, and strengthens the driving force of public electrode.
Above content is that to combine concrete preferred implementation made for the present invention the most specifically
Bright, it is impossible to assert the present invention be embodied as be confined to these explanations.For skill belonging to the present invention
For the those of ordinary skill in art field, without departing from the inventive concept of the premise, it is also possible to do
Go out some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (13)
1. a display floater, it is characterised in that including:
Substrate, including viewing area and non-display area;
First touch control electrode group, including multiple first touch-control electricity of the viewing area being arranged at described substrate
Pole, each described first touch control electrode is electrically connected by a touch signal output lead and one first switching device
Receive a first input end;
Second touch control electrode group, including multiple second touch-control electricity of the viewing area being arranged at described substrate
Pole, each described second touch control electrode is electrically connected by a touch signal output lead and one first switching device
Receive one second input, described first touch control electrode and described second touch control electrode and form touch control electrode
Array;And
One drives module, is electrically connected the control end and described second of each described first switching device
Input, and described driving module is at least through described first input of second switch device electrical connection
End.
Display floater the most according to claim 1, it is characterised in that described first derailing switch
The control end of part is electrically connected respectively to one first switch control terminal, and described first switch control terminal connects institute
State driving module;
The control end of described second switch device is electrically connected to a second switch and controls end, and described second opens
Close and control the end described driving module of connection.
Display floater the most according to claim 2, it is characterised in that also include a test weldering
Dish, is positioned at the non-display area of described substrate;
Described first switch control terminal, second switch control end, first input end and the second input
It is integrated in described testing weld pad.
Display floater the most according to claim 1, it is characterised in that described first derailing switch
Part, second switch device and driving module are positioned at described non-display area.
Display floater the most according to claim 1, it is characterised in that described first derailing switch
Part, second switch device all include at least one thin film transistor (TFT), the control end of described first switching device
It is all grid with the control end of second switch device.
Display floater the most according to claim 1, it is characterised in that described touch control electrode is
Self-capacitance touch control electrode or mutual capacitance touch control electrode.
Display floater the most according to claim 1, it is characterised in that described touch control electrode battle array
In row, the touch control electrode of odd-numbered line electrically connects described first input end;
In described touch control electrode array, the touch control electrode of even number line electrically connects described second input.
Display floater the most according to claim 1, it is characterised in that described touch control electrode battle array
In row, the touch control electrode of odd column electrically connects described first input end;
In described touch control electrode array, the touch control electrode of even column electrically connects described second input.
Display floater the most according to claim 1, it is characterised in that described touch control electrode battle array
In row, the touch control electrode of even number line even column and the touch control electrode electrical connection of odd-numbered line odd column are described
First input end;
The touch control electrode of odd-numbered line even column and even number line odd column in described touch control electrode array
Touch control electrode electrically connects described second input.
Display floater the most as claimed in any of claims 1 to 9, it is characterised in that
Described driving module includes one first input voltage module and the one second input voltage mould of mutual short circuit
Block, described first input voltage module electrically connects described first input end, described second input voltage mould
Block electrically connects described second input.
The method of testing of 11. 1 kinds of display floaters, it is characterised in that use such as claim 1 to
Display floater described in any one in 10, including: when being in test phase, described first derailing switch
Part is configured to conducting, and described second switch device is configured to open circuit, detects described first respectively and touches
Break-make road between control electrode group and the second touch control electrode group.
The using method of 12. 1 kinds of display floaters, it is characterised in that use such as claim 1 to 9
Display floater described in middle any one, including:
When being in the touch control detection stage, described first switching device and second switch device are configured to
Open circuit, the open circuit each other of described touch control electrode;And
When being in the display stage, described first switching device and second switch device are configured to lead
Logical, described touch control electrode short circuit each other, described touch control electrode is multiplexed with public electrode.
The using method of 13. 1 kinds of display floaters, it is characterised in that use such as claim 10 institute
State display floater, including:
When being in the touch control detection stage, described first switching device and second switch device are configured to
Open circuit, described first input end and the second input end grounding, the open circuit each other of described touch control electrode;
And
When being in the display stage, described first switching device and second switch device are configured to lead
Logical, described first input end and the second input input service voltage, described touch control electrode is each other
Short circuit, described touch control electrode is multiplexed with public electrode.
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