CN104238222B - Touch control display apparatus and touch display substrate - Google Patents
Touch control display apparatus and touch display substrate Download PDFInfo
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- CN104238222B CN104238222B CN201410541926.1A CN201410541926A CN104238222B CN 104238222 B CN104238222 B CN 104238222B CN 201410541926 A CN201410541926 A CN 201410541926A CN 104238222 B CN104238222 B CN 104238222B
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Abstract
The invention provides a kind of touch control display apparatus and touch display substrate, including：A plurality of data lines；The a plurality of gate line intersected with data wire insulation；Multiple pixel electrodes；Multiple public electrodes, include carving seam on the gate line and/or data wire bearing of trend, between the two neighboring public electrode；And cover electrode (maskingelectrode), positioned at the top for carving seam, in the display stage, the cover electrode (maskingelectrode) is applied in common electric voltage；Wherein, the projection that the quarter is sewn on the touch display substrate includes intersection with the projection of the data wire and/or gate line on the touch display substrate, and projection of the cover electrode (maskingelectrode) on the touch display substrate at least covers the data wire and/or gate line of the intersection.Therefore, the voltage pulsation on data wire and/or scan line can be shielded by the cover electrode (maskingelectrode), solves the problems, such as the light leak caused by the voltage pulsation and picture display effect difference.
Description
Technical field
The present invention relates to display technology field, more specifically to a kind of touch control display apparatus and touch display substrate.
Background technology
Nowadays, touch control display apparatus becomes more and more popular, however, in actual use, it is found that touch control display apparatus has light leak
Phenomenon, it have impact on the display effect of picture.
The content of the invention
In view of this, the invention provides a kind of touch control display apparatus and touch display substrate, to solve in the prior art
Because the voltage pulsation on data wire or scan line influences the arrangement of liquid crystal molecule, the problem of causing light leakage phenomena.
To achieve the above object, the present invention provides following technical scheme：
The invention provides a kind of touch display substrate, including：
A plurality of data lines；The a plurality of gate line intersected with data wire insulation；Multiple pixel electrodes；Multiple common electricals
Pole, include carving seam on the gate line and/or data wire bearing of trend, between the two neighboring public electrode；And hide
Electrode is covered, positioned at the top for carving seam, in the display stage, the cover electrode (maskingelectrode) is applied in common electric voltage；Wherein, it is described to carve seam
Projection and the projection bag of the data wire and/or gate line on the touch display substrate on the touch display substrate
Intersection is included, projection of the cover electrode (maskingelectrode) on the touch display substrate is with the data wire and/or gate line in institute
The projection stated on touch display substrate at least partly overlaps, and projection of the cover electrode (maskingelectrode) on the touch display substrate is extremely
The intersection of the data wire and/or gate line is covered less.
Present invention also offers a kind of touch control display apparatus, including above-mentioned touch display substrate.
Compared with prior art, technical scheme provided by the present invention one of has the following advantages that：
Touch control display apparatus and touch display substrate provided by the present invention, in gate line and/or data wire bearing of trend
On, include carving seam between two neighboring public electrode, by setting cover electrode (maskingelectrode) in the quarter side of sewing on, touch-control is sewn on due to carving
Projection on display base plate includes intersection, the screening with the projection of data wire and/or gate line on touch display substrate
Projection and the data wire and/or gate line of the electrode on the touch display substrate are covered on the touch display substrate
Projection at least partly overlaps, and projection of the cover electrode (maskingelectrode) on the touch display substrate at least covers the data wire
And/or the intersection of gate line, and be applied in common electric voltage again in display stage, cover electrode (maskingelectrode), therefore, can pass through
The cover electrode (maskingelectrode) shields data wire (data wire below first direction gap) and/or scan line (under second direction gap
Side scan line) on voltage pulsation, solve the light leak caused by the voltage pulsation on the data wire and/or scan line with
And the problem of picture display effect difference, so as to improve display effect.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the part-structure schematic diagram for the touch control display apparatus that prior art provides；
Fig. 2 is the part-structure schematic diagram for the touch display substrate that the embodiment of the present invention one provides；
Fig. 3 a are a kind of diagrammatic cross-section of the part-structure for touch display substrate that the embodiment of the present invention one provides；
Fig. 3 b are the diagrammatic cross-section of the part-structure for another touch display substrate that the embodiment of the present invention one provides；
Fig. 3 c are the diagrammatic cross-section of the part-structure for another touch display substrate that the embodiment of the present invention one provides；
Fig. 3 d are the diagrammatic cross-section of the part-structure for another touch display substrate that the embodiment of the present invention one provides；
Fig. 4 is the part-structure schematic diagram that the embodiment of the present invention one provides another touch display substrate；
Fig. 5 is the part-structure schematic diagram for the touch display substrate that the embodiment of the present invention two provides；
Fig. 6 a are a kind of diagrammatic cross-section of the part-structure for touch display substrate that the embodiment of the present invention two provides；
Fig. 6 b are the diagrammatic cross-section of the part-structure for another touch display substrate that the embodiment of the present invention two provides；
Fig. 6 c are the diagrammatic cross-section of the part-structure for another touch display substrate that the embodiment of the present invention two provides；
Fig. 6 d are the diagrammatic cross-section of the part-structure for another touch display substrate that the embodiment of the present invention two provides；
Fig. 7 is the part-structure schematic diagram for another touch display substrate that the embodiment of the present invention two provides；
Fig. 8 is the part-structure schematic diagram for the touch display substrate that the embodiment of the present invention three provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Inventor, which studies, to be found, as shown in figure 1, the touch display substrate of prior art includes frame region and viewing area
Domain, the viewing area is provided with a plurality of gate line 10, a plurality of data lines 11 intersected that insulated with gate line 10, multiple pixels electricity
Pole 12 and public electrode 13, each public electrode 13 are all connected to an electrical leads (not shown), and each public electrode 13 is equal
It is connected by an electrical leads with integrated circuit or FPC 14, for being applied in display stage, public electrode 13
Common electric voltage, touching signals are applied in touch-control stage public electrode 13.
In above-mentioned touch control display apparatus, due to public electrode 13 in the touch-control stage as touch control electrode, therefore, adjacent public affairs
Need to disconnect between common electrode 13, as shown in figure 1, including first direction between adjacent public electrode 13 carves seam 130 and second party
131 are stitched to carving.
But in order to not sacrifice aperture opening ratio, first direction carves seam 130 and the width of second direction quarter seam 131 is smaller, because
This, under the shielding action of no public electrode 13, carves the data wire 11 of seam 130 positioned at first direction or is carved positioned at second direction
Voltage pulsation in the scan line 10 of seam 131 can influence the arrangement of liquid crystal molecule, cause light leakage phenomena, influence the display effect of picture
Fruit.
Inventor further study show that, if between the two neighboring public electrode quarter seam top increase masking
Electrode, and be applied in common electric voltage in display stage, the cover electrode (maskingelectrode), then data wire can be shielded by the cover electrode (maskingelectrode)
Voltage pulsation in (data wire below first direction gap) and/or scan line (scan line below second direction gap),
So as to solve the light leak caused by the voltage pulsation on the data wire and/or scan line and picture display effect difference ask
Topic, and improve display effect.That is, the embodiment of the present invention provides a kind of touch display substrate, including：A plurality of data lines；
The a plurality of gate line intersected with data wire insulation；Multiple pixel electrodes；Multiple public electrodes, in the grid
Include carving seam on line and/or data wire bearing of trend, between the two neighboring public electrode；And cover electrode (maskingelectrode), positioned at institute
The top for carving seam is stated, in the display stage, the cover electrode (maskingelectrode) is applied in common electric voltage；Wherein, the quarter is sewn on the touch-control and shown
Show that the projection on substrate includes intersection with the projection of the data wire and/or gate line on the touch display substrate,
Projection of the cover electrode (maskingelectrode) on the touch display substrate shows base with the data wire and/or gate line in the touch-control
Projection on plate at least partly overlaps, and projection of the cover electrode (maskingelectrode) on the touch display substrate at least covers the number
(projection and the data wire on the touch display substrate are sewn on the quarter according to the intersection of line and/or gate line
And/or the intersection of projection formation of the gate line on the touch display substrate).It is described in detail below：
Embodiment one
A kind of touch display substrate is present embodiments provided, as illustrated in fig. 2 and 3 a, including a plurality of data lines 20 and number
A plurality of gate line 21, multiple pixel electrodes 22 and the multiple public electrodes 23 intersected according to the insulation of line 20, it is two neighboring described public
Include carving seam (not shown) between electrode 23, wherein, pixel electrode 22 is located at the region that data wire 20 and gate line 21 surround, and
Projection of the public electrode 23 on touch display substrate at least covers projection of 1 pixel electrode 22 on touch display substrate,
The projection of i.e. 1 public electrode 23 can cover the projection of 1 pixel electrode 22, can also cover the throwing of 2 pixel electrodes 22
Shadow；And cover electrode (maskingelectrode) (not shown), positioned at the top for carving seam, in the display stage, the cover electrode (maskingelectrode) is applied in public
Voltage；Wherein, cover electrode (maskingelectrode) includes the first cover electrode (maskingelectrode) 231 and/or the second cover electrode (maskingelectrode) 233.
Touch display substrate provided by the invention is introduced for convenience, and the present embodiment is covered with the projection of 1 public electrode 23
Illustrated exemplified by the projection of 2 pixel electrodes 22 of lid, but the present invention is not limited to this.
As illustrated in fig. 2 and 3 a, on the bearing of trend of gate line 21, first is included between two neighboring public electrode 23
Seam 230 is carved in direction, and including second direction on the bearing of trend of data wire 20, between two neighboring public electrode 23 carves seam 232.
Wherein, it is usually 1um-6um that first direction, which carves seam 230 and second direction quarter 232 width range in the direction of extension of seam, but
6um is may be greater than, the present embodiment does not do any restrictions to this.In the present embodiment, touch display substrate also includes the first masking
Electrode 231, first cover electrode (maskingelectrode) 231 are located at the top that first direction carves seam 230, and the first cover electrode (maskingelectrode) 231 is preferably using gold
Belong to conductive material, the voltage pulsation for carving the data wire 20 of the lower section of seam 230 for shielding first direction, to solve light leak and picture
The problem of display effect difference, and improve the display effect of touch display substrate.
In order to which the first cover electrode (maskingelectrode) 231 is better described structurally and functionally, Fig. 3 a provide a kind of touch display substrate
Part-structure diagrammatic cross-section, Fig. 3 b are the diagrammatic cross-section of the part-structure of another touch display substrate, and Fig. 3 c are
The diagrammatic cross-section of the part-structure of another touch display substrate, wherein, Fig. 3 a~3d are the part-structure at aa in Fig. 2
Diagrammatic cross-section.In the present embodiment, on the bearing of trend of gate line 21, the first direction between two neighboring public electrode 23
Carving 230 projection on touch display substrate of seam and projection of the data wire 20 on touch display substrate has intersection, the
Projection at least partly weight of projection of one cover electrode (maskingelectrode) 231 on touch display substrate with data wire 20 on touch display substrate
Close, and projection of first cover electrode (maskingelectrode) 231 on touch display substrate at least covers the intersection (first of data wire 20
Carve the coincidence part that projection of 230 projection on touch display substrate of seam with data wire 20 on touch display substrate is formed in direction
Point).
As shown in Figure 3 a, public electrode 23 is located at the top of pixel electrode 22, and data wire 20 is located at two adjacent pixels
Between electrode 22, first direction carves 230 projection on touch display substrate of seam can be with data wire 20 in touch display substrate
On projection be completely superposed, i.e. width of the data wire 20 on the bearing of trend of gate line 21 is equal to first direction and carves seam 230 in grid
Width on the bearing of trend of polar curve 21.Now, width of first cover electrode (maskingelectrode) 231 on the bearing of trend of gate line 21 is equal to first
The width of seam 230 or data wire 20 on the bearing of trend of gate line 21 is carved in direction, or, the first cover electrode (maskingelectrode) 231 shows in touch-control
Show projection of the projection covering data wire 20 on touch display substrate on substrate.
In embodiments thereof, as shown in Figure 3 b, pixel electrode 22 is located at the top of public electrode 23, and data wire 20 is positioned at public affairs
The bottom of common electrode 23, and projection covering first direction of the data wire 20 on touch display substrate carves seam 230 and shows base in touch-control
Projection on plate, first direction carve 230 projection on touch display substrate of seam and data wire 20 on touch display substrate
Projection section overlaps, i.e., width of the data wire 20 on the bearing of trend of gate line 21 is more than first direction quarter seam 230 in gate line
Width on 21 bearing of trends.Now, width of first cover electrode (maskingelectrode) 231 on the bearing of trend of gate line 21 is equal to data wire 20
(first direction is carved seam 230 and shown in touch-control with the intersection of the projection on touch display substrate of first direction quarter seam 230
The intersection that the projection of projection on substrate with data wire 20 on touch display substrate is formed) width, the first masking electricity
Width of the pole 231 on the bearing of trend of gate line 21 is equal to or more than first direction and carves seam 230 on the bearing of trend of gate line 21
Width, and display the stage, the first cover electrode (maskingelectrode) 231 is applied in common electric voltage, in this way, can make the first cover electrode (maskingelectrode) 231
Play a part of covering voltage pulsation on data wire 20, so as to avoid light leak.Certainly, in other embodiments, the first masking electricity
Width of the pole 231 on the bearing of trend of gate line 21 can be more than width of the data wire 20 on the bearing of trend of gate line 21, this
Invention is not limited to that.
As best shown in figures 3 a and 3b, the touch display substrate that the present embodiment provides also includes the first insulating barrier 25 and the second insulation
Layer 26, the first insulating barrier 25 is between public electrode 23 and pixel electrode 22, for making public electrode 23 and pixel electrode 22
Insulation, the second insulating barrier 26 are used to make the first cover electrode (maskingelectrode) 231 insulate with pixel electrode 22 or public electrode 23.
As shown in Figure 3 a, public electrode 23 is located at the top of pixel electrode 22, and pixel electrode 22 and data wire 20 can be located at
Same layer, the first insulating barrier 25 are located at the surface of pixel electrode 22 and data wire 20, and the second insulating barrier 26 is positioned at the first masking electricity
Between pole 231 and public electrode 23, certainly, in other embodiments, if the first cover electrode (maskingelectrode) 231 needs and public electrode 23
During electrical connection, the second insulating barrier 26 can be not provided between the first cover electrode (maskingelectrode) 231 and public electrode 23.
As shown in Figure 3 b, public electrode 23 is located at the lower section of pixel electrode 22, and data wire 20 is located at the lower section of public electrode 23, and
Projection covering first direction of the data wire 2 on touch base plate carves 230 projection on touch base plate of seam, and data wire 2 exists
Projection section of the projection also with public electrode 23 on touch base plate on touch base plate overlaps, the first cover electrode (maskingelectrode) 231 and picture
Plain electrode 22 is located at same layer, and the second insulating barrier 26 is located at the first cover electrode (maskingelectrode) 231 and the surface of pixel electrode 22 and second is exhausted
Edge layer 26 is between the first cover electrode (maskingelectrode) 231 and pixel electrode 22.Or as shown in Figure 3 c, public electrode 23 is located at pixel
The lower section of electrode 22, data wire 20 are located at the lower section of public electrode 23, and the first cover electrode (maskingelectrode) 231 and pixel electrode 22 are located at different layers,
Now, the second insulating barrier 26 is between the first cover electrode (maskingelectrode) 231 and pixel electrode 22.Because the touch-control that the present embodiment provides shows
Show in substrate, public electrode 23 can be multiplexed with touch control electrode, and therefore, in the display stage, public electrode 23 is applied in common electrical
Pressure；In the touch-control stage, public electrode 23 is applied in touching signals, for detecting the coordinate of touch location.Or such as Fig. 3 d institutes
Show, public electrode 23 is located at the top of pixel electrode 22, and pixel electrode 22 and data wire 20 can be located at same layer, the first insulating barrier
25 are located at same layer positioned at the surface of pixel electrode 22 and data wire 20, the first cover electrode (maskingelectrode) 231 and public electrode 23, certainly,
In other embodiments, the first cover electrode (maskingelectrode) 231 can electrically connect with public electrode 23.
Based on this, the first cover electrode (maskingelectrode) 231 in the present embodiment is applied in common electric voltage in the display stage, so that first hides
Cover electrode 231 to play a part of shielding the voltage pulsation that first direction carves data wire 20 at seam 230, solve due on data wire 20
Voltage pulsation caused by light leak influence picture display effect the problem of.
Wherein, to the first cover electrode (maskingelectrode) 231 apply common electric voltage mode have it is a variety of, for example, the first cover electrode (maskingelectrode) 231 can
To be directly connected by the first connecting line (not shown) with the first driver element (not shown) or the first flexible PCB 24, utilize
First driver element or the first flexible PCB 24 apply common electric voltage to the first cover electrode (maskingelectrode) 231.
In the present embodiment, as shown in figure 4, the first cover electrode (maskingelectrode) 231 can also be to include more cover electrode (maskingelectrode)s of height first
2310 and multiple fractures 2311, i.e., on the bearing of trend of data wire 20, have between two neighboring sub first cover electrode (maskingelectrode) 2310
There is the first fracture 2311, further, the touch display substrate in the present embodiment also includes black matrix (not shown), the black square
Battle array includes multiple openings for exposing the pixel electrode, and in order to avoid light leakage phenomena, the first fracture 2311 prolongs in data wire 20
Stretch the width on direction and be less than width of the black matrix on the bearing of trend of data wire 20, it is further, two neighboring public
Second direction between electrode 23 carves projection of the seam 232 on touch display substrate and covers the first fracture 2311 in touch-control display base
Projection on plate, i.e. second direction carve 232 width on the bearing of trend of data wire 20 of seam and are more than or equal to the first fracture 2311
Width on the bearing of trend of data wire 20, in case the first fracture 2311 is influenceed as between the public electrode 23 of touch control electrode
Capacitance Coupled.
Wherein, it is connected per the first cover electrode (maskingelectrode) of height 2310 with first connecting line, is so covered per height first
Electrode 2310 is able to be electrically connected to the first driver element or first soft of outputting common voltage by first connecting line
Property circuit board 24 so that can receive common electric voltage per height the first cover electrode (maskingelectrode) 2310 and play shielding first direction and carve seam
The effect of the voltage pulsation of data wire 20 at 230, and then improve light leakage phenomena, improve display effect.
Certainly, in other embodiments, all sub first cover electrode (maskingelectrode)s 2310 can link together, and be electrically connected to one
The connecting line of bar first, i.e., all sub first cover electrode (maskingelectrode)s 2310 are only electrically connected to outputting common voltage by first connecting line
The first driver element or the first flexible PCB 24, with this so that all sub first cover electrode (maskingelectrode)s 2310 are applied in the display stage
Add common electric voltage, realize that shielding first direction carves the effect of the voltage pulsation on 230 bottom data lines 20 of seam.
Or in other embodiments, each sub first cover electrode (maskingelectrode) 2310 be connected to one it is described public
Electrode 23, sub first cover electrode (maskingelectrode) 2310 are connected to the second driver element of timesharing output display signal and touching signals
(not shown) or the second flexible PCB (not shown).It can so cause：
In the display stage, public electrode 23 comes from the second driver element by sub first cover electrode (maskingelectrode) 2310 to receive
Or second flexible PCB common electric voltage；
In the touch-control stage, public electrode 23 comes from the second driver element by sub first cover electrode (maskingelectrode) 2310 to receive
Or second flexible PCB touching signals, for detecting the coordinate of touch location.
Based on this, the first cover electrode (maskingelectrode) 231 in the present embodiment is applied in common electric voltage in the display stage, so that first hides
Cover electrode 231 to play a part of shielding the voltage pulsation that first direction carves data wire 20 at seam 230, solve due on data wire 20
Voltage pulsation caused by light leak the problem of influenceing picture display effect, moreover, being also effectively utilized sub first cover electrode (maskingelectrode) 231
It is multiplexed with public electrode and is connected to the cabling of the second driver element or the second flexible PCB, in this way, reduce circuit cabling, from
And reduce border width, reach narrow frame, the reduction of circuit cabling decreases numerous and diverse degree of technique preparation, improves
Yield.
The touch display substrate that the present embodiment provides, on gate line bearing of trend, is wrapped between two neighboring public electrode
Include first direction and carve seam, touch display substrate also includes the first cover electrode (maskingelectrode) that the side of sewing on is carved positioned at first direction, due to first
The projection that is sewn on touch display substrate and projection of the data wire on touch display substrate are carved in direction includes intersection, and first
Projection of projection of the cover electrode (maskingelectrode) on touch display substrate with data wire on touch display substrate at least partly overlaps, and first
(first direction quarter is sewn on touch-control and shown the intersection of projection of the cover electrode (maskingelectrode) on touch display substrate at least covering data wire
The intersection that projection of the projection with data wire on touch display substrate on substrate is formed), and hidden in the display stage, first
Cover electrode and be applied in common electric voltage, therefore, the first cover electrode (maskingelectrode) can shield first direction and carve the electricity stitched on 230 bottom data lines
Pressure fluctuation, solve the problems, such as the light leak caused by the voltage pulsation on data wire and influence picture display effect.
Embodiment two
A kind of touch display substrate is present embodiments provided, the touch display substrate that embodiment two provides with embodiment one
Structure is substantially the same, as shown in Fig. 5 and Fig. 6 a, including data wire 20, gate line 21, pixel electrode 22, public electrode 23, first
Seam 230 is carved in direction and second direction carves seam 231, and the difference of embodiment two and embodiment one is, in the present embodiment two, the
The top that seam 232 is carved in two directions also includes the second cover electrode (maskingelectrode) 233, and second cover electrode (maskingelectrode) 233 is preferably metal electrode, is used for
The voltage pulsation on the gate line 21 at second direction gap 232 is shielded, is solved due to caused by the voltage pulsation on gate line
The problem of light leak and picture display effect difference.
In the present embodiment, second direction is carved 232 projection on touch display substrate of seam and shown with gate line 21 in touch-control
Projection on substrate has intersection, and projection of second cover electrode (maskingelectrode) 233 on touch display substrate is being touched with gate line 21
The projection controlled on display base plate at least partly overlaps, and projection of second cover electrode (maskingelectrode) 233 on touch display substrate is at least covered
The intersection of lid gate line 21 (carve 232 projection on touch display substrate of seam and touched with gate line 21 by second direction
Control the intersection that the projection on display base plate is formed).
Equally, Fig. 6 a~6d are the diagrammatic cross-section of the part-structure at bb in Fig. 5.As shown in Figure 6 a, second direction is carved
232 projection on touch display substrate of seam can be with gate line 21 on touch display substrate projection be completely superposed, i.e. grid
Width of the polar curve 21 on the bearing of trend of data wire 20 is equal to second direction and carves 232 width on the bearing of trend of data wire 20 of seam
Degree.Now, width of second cover electrode (maskingelectrode) 232 on the bearing of trend of data wire 20 is equal to second direction quarter seam 232 or gate line
21 width on the bearing of trend of data wire 20, or, the second cover electrode (maskingelectrode) 232 is completely covered in the projection of touch display substrate
Second direction carves the projection of seam 232 or gate line 21 on touch display substrate, certainly, in other embodiments, the second masking
Width of the electrode 232 on the bearing of trend of data wire 20 can be more than second direction and carve seam 232 or gate line 21 in data wire 20
Width on bearing of trend, the present invention is not limited to this.
Or as shown in Figure 6 b, second direction carves 232 projection on touch display substrate of seam with gate line 21 in touch-control
Projection section on display base plate overlaps, i.e., width of the gate line 21 on the bearing of trend of data wire 20 is more than second direction quarter seam
232 width on the bearing of trend of data wire 20.Now, width of second cover electrode (maskingelectrode) 233 on the bearing of trend of data wire 20
Equal to the intersection of gate line 21, (second direction carves seam 232 projection on touch display substrate and gate line 21 in touch-control
The intersection of projection on display base plate) width on the bearing of trend of data wire 20, and in display stage, the second masking electricity
Pole 233 is applied in common electric voltage again, so so that the second cover electrode (maskingelectrode) 233 plays the grid that masking second direction carves the lower section of seam 232
The effect of the voltage pulsation of itself of polar curve 21.Certainly, in other embodiments, the second cover electrode (maskingelectrode) 233 extends in data wire 20
Width on direction can be more than width of the gate line 21 on the bearing of trend of data wire 20, and the present invention is not limited to this.
As shown in figure 6 a and 6b, the touch display substrate that the present embodiment provides also includes the first insulating barrier 27 and the second insulation
Layer 28, the first insulating barrier 27 is between public electrode 23 and pixel electrode 22, for making public electrode 23 and pixel electrode 22
Insulation, the second insulating barrier 28 are used to make the second cover electrode (maskingelectrode) 233 insulate with pixel electrode 22 or public electrode 23.
As shown in Figure 6 a, public electrode 23 is located at the top of pixel electrode 22, and pixel electrode 22 and gate line 21 can be located at
Same layer, the first insulating barrier 27 are located at the surface of pixel electrode 22 and gate line 21, and the second insulating barrier 28 is positioned at the second masking electricity
Between pole 233 and public electrode 23, certainly, if the second cover electrode (maskingelectrode) 233 needs to electrically connect with public electrode 23, second hides
The second insulating barrier can be not provided with by covering between electrode 233 and public electrode 23.
As shown in Figure 6 b, public electrode 23 is located at the lower section of pixel electrode 22, the second cover electrode (maskingelectrode) 233 and pixel electrode 22
In same layer, the second insulating barrier 28 is located at the surface of the second cover electrode (maskingelectrode) 233 and pixel electrode 22, and the second insulating barrier 28 is located at
Between second cover electrode (maskingelectrode) 233 and pixel electrode 22.Or as shown in Figure 3 c, public electrode 23 is located at the lower section of pixel electrode 22,
Second cover electrode (maskingelectrode) 233 and pixel electrode 22 are located at different layers, and now, the second insulating barrier 28 is located at the He of the second cover electrode (maskingelectrode) 233
Between pixel electrode 22, or, as shown in fig 6d, public electrode 23 is located at the top of pixel electrode 22, pixel electrode 22 and grid
Line 21 can be located at same layer, and the first insulating barrier 27 is located at the surface of pixel electrode 22 and gate line 21, the second cover electrode (maskingelectrode) 233
It is located at same layer with public electrode 23, certainly, the second cover electrode (maskingelectrode) 233 can also electrically connect with public electrode 23.
Equally, the second cover electrode (maskingelectrode) 233 in the present embodiment is applied in common electric voltage in the display stage, so that the second masking
Electrode 233 plays a part of shielding the voltage pulsation that second direction carves gate line 21 at seam 232, solves due on gate line 21
Light leak caused by voltage pulsation influences the problem of picture display effect.
Wherein, to the second cover electrode (maskingelectrode) 233 apply common electric voltage mode have it is a variety of, for example, the second cover electrode (maskingelectrode) 233 can
To be directly connected by the second connecting line (not shown) with the first driver element (not shown) or the first flexible PCB 24, utilize
First driver element or the first flexible PCB 24 apply common electric voltage to the second cover electrode (maskingelectrode) 233.
In the present embodiment, as shown in fig. 7, the second cover electrode (maskingelectrode) 233 includes more the second cover electrode (maskingelectrode)s of height 2330, i.e., in grid
On the bearing of trend of polar curve 21, include the second fracture 2331 between two neighboring sub second cover electrode (maskingelectrode) 2330, in the present embodiment
Touch display substrate also include black matrix (not shown), the black matrix includes multiple exposing opening for the pixel electrode
Mouthful, in order to avoid light leakage phenomena, width of second fracture 2331 on the bearing of trend of gate line 21 is less than black matrix in grid
Width on the bearing of trend of line 21, can also be that 230 projection on touch display substrate of seam of first direction quarter is covered further
Projection of lid the second fracture 2331 on touch display substrate, i.e. first direction carve seam 230 on the bearing of trend of gate line 21
Width is more than or equal to width of second fracture 2331 on the bearing of trend of gate line 21, in case the second fracture 2331 influences conduct
Capacitance Coupled between the public electrode 23 of touch control electrode.
Wherein, it is connected per the second cover electrode (maskingelectrode) of height 2330 with a second connecting line (not shown), so per height
The first driving that the can of second cover electrode (maskingelectrode) 2330 is electrically connected to outputting common voltage by second connecting line respectively is single
First (not shown) or the first flexible PCB 24 so that common electric voltage can be received respectively per the second cover electrode (maskingelectrode) of height 2330,
Or all sub second cover electrode (maskingelectrode)s 2330 link together, and second connecting line is electrically connected to, i.e., all sub second hides
Cover the first driver element or the first flexible circuit that electrode 2330 is electrically connected to outputting common voltage by second connecting line
Plate 24, to be applied in common electric voltage in display stage, all sub second cover electrode (maskingelectrode)s 2330, so that the second masking
Electrode 2330 realizes that shielding second direction carves the effect of the voltage pulsation of the gate line 21 of the lower section of seam 232.
Or in other embodiments, each sub second cover electrode (maskingelectrode) 2330 be connected to one it is described public
Electrode 23, sub second cover electrode (maskingelectrode) 2330 are connected to the second driver element of timesharing output display signal and touching signals
(not shown) or the second flexible PCB (not shown).It can so cause：
In the display stage, public electrode 23 comes from the second driver element by sub second cover electrode (maskingelectrode) 2330 to receive
Or second flexible PCB common electric voltage；
In the touch-control stage, public electrode 23 comes from the second driver element by sub second cover electrode (maskingelectrode) 2330 to receive
Or second flexible PCB touching signals, for detecting the coordinate of touch location.
Based on this, the second cover electrode (maskingelectrode) 233 in the present embodiment is applied in common electric voltage in the display stage, so that second hides
The voltage pulsation that electrode 233 plays a part of shielding the gate line 21 that second direction carves the lower section of seam 232 is covered, is solved due to gate line
Light leak caused by voltage pulsation on 21 influences the problem of picture display effect.Moreover, also it is effectively utilized the masking electricity of son second
Pole 2330 is multiplexed with public electrode and is connected to the cabling of the second driver element or the second flexible PCB, in this way, reducing circuit
Cabling, so as to reduce border width, reach narrow frame, the reduction of circuit cabling, decreased numerous and diverse degree prepared by technique,
Improve yield.
The touch display substrate that the present embodiment provides, on data wire bearing of trend, is wrapped between two neighboring public electrode
Include second direction and carve seam and the second cover electrode (maskingelectrode), due to projection of second cover electrode (maskingelectrode) on touch display substrate and gate line
Projection at least partly overlap, the second cover electrode (maskingelectrode) on touch display substrate projection at least cover gate line intersection
(second direction carves the coincidence part that projection of the projection being sewn on touch display substrate with gate line on touch display substrate is formed
Point), and common electric voltage is applied in display stage, the second cover electrode (maskingelectrode), therefore, the second cover electrode (maskingelectrode) can shield second direction
The voltage pulsation on the gate line at seam is carved, the light leak caused by the voltage pulsation on gate line is solved and influence picture shows
The problem of showing effect.
Embodiment three
A kind of touch display substrate is present embodiments provided, as shown in Fig. 8, Fig. 3 a and Fig. 6 a, the touch display substrate bag
Include data wire 20, gate line 21, pixel electrode 22, public electrode 23, first direction and carve seam 230 and first cover electrode (maskingelectrode) 231, the
Carve the cover electrode (maskingelectrode) 233 of seam 232 and second in two directions.
Further, the first cover electrode (maskingelectrode) 231 can include more the first cover electrode (maskingelectrode)s of height 2310 and positioned at adjacent two
The first fracture 2311 between the first cover electrode (maskingelectrode) of height 2310, the second cover electrode (maskingelectrode) 231 can cover including more height second
Electrode 2330 and the second fracture 2330 between two neighboring sub second cover electrode (maskingelectrode) 2330, first in the present embodiment
Structurally and functionally structurally and functionally identical with the first cover electrode (maskingelectrode) in embodiment one, sub first cover electrode (maskingelectrode) of cover electrode (maskingelectrode)
2310 structurally and functionally structurally and functionally identical with the first cover electrode (maskingelectrode) in embodiment one, the structure of the second cover electrode (maskingelectrode)
It is structurally and functionally identical with the second cover electrode (maskingelectrode) in embodiment two with acting on, the second cover electrode (maskingelectrode) of son 2330 and embodiment two
In the second cover electrode (maskingelectrode) it is structurally and functionally identical, therefore, the present embodiment will not be repeated here.
The touch display substrate that the present embodiment provides, the data wire at first direction quarter seam is shielded by the first cover electrode (maskingelectrode)
On voltage pulsation, by the second cover electrode (maskingelectrode) shield second direction carve seam at gate line on voltage pulsation, solve by
In the light leak caused by the voltage pulsation on data wire and gate line and picture display effect difference the problem of.
Example IV
A kind of touch control display apparatus, including the touch display substrate that any of the above-described embodiment provides are present embodiments provided,
Touch display substrate includes a plurality of data lines；The a plurality of gate line intersected with data wire insulation；Multiple pixel electrodes；It is multiple
Public electrode, include carving seam on the gate line and/or data wire bearing of trend, between the two neighboring public electrode；
And cover electrode (maskingelectrode), positioned at the top for carving seam, in the display stage, the cover electrode (maskingelectrode) is applied in common electric voltage；Wherein, carve
The projection being sewn on touch display substrate includes coincidence part with the projection of data wire and/or gate line on touch display substrate
Point, projection of the cover electrode (maskingelectrode) on touch display substrate at least covers the data wire and/or gate line of intersection.Therefore, may be used
To shield data wire (data wire below first direction gap) and/or scan line (under second direction gap by cover electrode (maskingelectrode)
Side scan line) on voltage pulsation, solve the problems, such as the light leak caused by voltage pulsation and picture display effect difference, from
And improve the display effect of touch control display apparatus.
Therefore, the voltage pulsation on the data wire at first direction gap can be shielded by the first cover electrode (maskingelectrode), is passed through
The voltage pulsation on gate line at second cover electrode (maskingelectrode) shielding second direction gap, solves light leak and picture display effect is poor
The problem of.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.To the upper of the disclosed embodiments
State bright, professional and technical personnel in the field is realized or using the present invention.A variety of modifications to these embodiments are to ability
It will be apparent for the professional and technical personnel in domain, generic principles defined herein can not depart from the present invention's
In the case of spirit or scope, realize in other embodiments.Therefore, the present invention be not intended to be limited to it is shown in this article these
Embodiment, and it is to fit to the most wide scope consistent with principles disclosed herein and features of novelty.
Claims (20)
1. a kind of touch display substrate, including：
A plurality of data lines；
The a plurality of gate line intersected with data wire insulation；
Multiple pixel electrodes；
Multiple public electrodes, on the gate line and/or data wire bearing of trend, wrapped between the two neighboring public electrode
Include quarter seam；The public electrode is multiplexed with touch control electrode；And
Cover electrode (maskingelectrode), positioned at the top for carving seam, in the display stage, the cover electrode (maskingelectrode) is applied in common electric voltage；
Wherein, the projection on the touch display substrate is sewn on the quarter with the data wire and/or gate line in the touch-control
Projection on display base plate includes intersection, projection of the cover electrode (maskingelectrode) on the touch display substrate and the data
The projection of line and/or gate line on the touch display substrate at least partly overlaps, and the cover electrode (maskingelectrode) is in the touch-control
Projection on display base plate at least covers the intersection of the data wire and/or gate line；
Also, in the display stage, the public electrode receives common electric voltage by the cover electrode (maskingelectrode)；
In the touch-control stage, the public electrode receives touching signals by the cover electrode (maskingelectrode), for detecting touch location
Coordinate.
2. touch display substrate according to claim 1, it is characterised in that adjacent on the gate line bearing of trend
Quarter seam between two public electrodes is carved for first direction to be stitched, and the screening for the side of sewing on is carved positioned at the first direction
It is the first cover electrode (maskingelectrode) to cover electrode, and in the display stage, first cover electrode (maskingelectrode) is applied in common electric voltage；
Wherein, the first direction is carved the projection being sewn on the touch display substrate and shown with the data wire in the touch-control
Projection on substrate includes intersection, projection of first cover electrode (maskingelectrode) on the touch display substrate and the data
Projection of the line on the touch display substrate at least partly overlaps, and first cover electrode (maskingelectrode) is in the touch display substrate
On projection at least cover the intersection of the data wire.
3. touch display substrate according to claim 2, it is characterised in that
Width of first cover electrode (maskingelectrode) on the gate line bearing of trend, which is more than or equal to, to be sewn at first direction quarter
Width on the gate line bearing of trend, or, projection of first cover electrode (maskingelectrode) on the touch display substrate is covered
Cover projection of the data wire on the touch display substrate.
4. according to the touch display substrate any one of claim 1-3, it is characterised in that in the data wire extension side
Upwards, the quarter seam between the two neighboring public electrode is carved for second direction stitches, and carves and sews on positioned at the second direction
The cover electrode (maskingelectrode) of side is the second cover electrode (maskingelectrode), and in the display stage, second cover electrode (maskingelectrode) is applied in common electric voltage；
Wherein, the second direction is carved the projection being sewn on the touch display substrate and shown with the gate line in the touch-control
Projection on substrate includes intersection, projection of second cover electrode (maskingelectrode) on the touch display substrate and the grid
Projection of the line on the touch display substrate at least partly overlaps, and second cover electrode (maskingelectrode) is in the touch display substrate
On projection at least cover the intersection of the gate line.
5. touch display substrate according to claim 4, it is characterised in that
Width of second cover electrode (maskingelectrode) on the data wire bearing of trend, which is more than or equal to, is sewn on institute at second direction quarter
The width on data wire bearing of trend is stated, or, projection covering of second cover electrode (maskingelectrode) on the touch display substrate
Projection of the gate line on the touch display substrate.
6. according to the touch display substrate any one of claim 2-3, it is characterised in that the first cover electrode (maskingelectrode) bag
More cover electrode (maskingelectrode)s of height first are included, on data wire bearing of trend, the is included between two neighboring sub first cover electrode (maskingelectrode)
One fracture, the touch display substrate also include black matrix, including multiple openings for exposing the pixel electrode, wherein,
On data wire bearing of trend, the width of first fracture is less than the width of the black matrix.
7. touch display substrate according to claim 4, it is characterised in that second cover electrode (maskingelectrode) includes more height the
Two cover electrode (maskingelectrode)s, on gate line bearing of trend, the second fracture is included between two neighboring sub second cover electrode (maskingelectrode), it is described
Touch display substrate also includes black matrix, including multiple openings for exposing the pixel electrode, wherein, in gate line extension side
Upwards, the width of second fracture is less than the width of the black matrix.
8. touch display substrate according to claim 6, it is characterised in that also including the first connecting line,
Wherein, each sub first cover electrode (maskingelectrode) is connected to first connecting line, each first masking
Electrode is electrically connected to the first driver element or the first flexible electrical of outputting common voltage by first connecting line respectively
Road plate, to receive common electric voltage in display stage, first cover electrode (maskingelectrode)；
Or all sub first cover electrode (maskingelectrode)s link together and are electrically connected to first connecting line, Suo Yousuo
State the first driver element or that sub first cover electrode (maskingelectrode) is electrically connected to outputting common voltage by one article of first connecting line
One flexible PCB, to receive common electric voltage in display stage, first cover electrode (maskingelectrode).
9. touch display substrate according to claim 7, it is characterised in that also including the second connecting line,
Wherein, each sub second cover electrode (maskingelectrode) is connected to second connecting line, each second masking
Electrode is electrically connected to the first driver element or the first flexible electrical of outputting common voltage by second connecting line respectively
Road plate, to receive common electric voltage in display stage, second cover electrode (maskingelectrode)；
Or all sub second cover electrode (maskingelectrode)s link together and are electrically connected to second connecting line, Suo Yousuo
State the first driver element or that sub second cover electrode (maskingelectrode) is electrically connected to outputting common voltage by one article of second connecting line
One flexible PCB, to receive common electric voltage in display stage, second cover electrode (maskingelectrode).
10. touch display substrate according to claim 6, it is characterised in that each sub first cover electrode (maskingelectrode) difference
A public electrode is connected to, sub first cover electrode (maskingelectrode) is connected to the of timesharing output display signal and touching signals
Two driver elements or the second flexible PCB.
11. touch display substrate according to claim 7, it is characterised in that each sub second cover electrode (maskingelectrode) difference
A public electrode is connected to, sub second cover electrode (maskingelectrode) is connected to the of timesharing output display signal and touching signals
Two driver elements or the second flexible PCB.
12. touch display substrate according to claim 1, it is characterised in that also insulated including the first insulating barrier and second
Layer, first insulating barrier is between the public electrode and the pixel electrode.
13. touch display substrate according to claim 12, it is characterised in that the public electrode is located at pixel electricity
The top of pole.
14. touch display substrate according to claim 13, it is characterised in that second insulating barrier is located at the masking
Between electrode and the public electrode.
15. touch display substrate according to claim 14, it is characterised in that the pixel electrode and the data wire or
Gate line is located at same layer.
16. touch display substrate according to claim 12, it is characterised in that the public electrode is located at pixel electricity
The lower section of pole.
17. touch display substrate according to claim 16, it is characterised in that second insulating barrier is located at the masking
Between electrode and the pixel electrode.
18. touch display substrate according to claim 17, it is characterised in that the pixel electrode and the cover electrode (maskingelectrode)
Positioned at same layer.
19. touch display substrate according to claim 1, it is characterised in that the public electrode is shown in the touch-control
Projection on substrate at least covers projection of 1 pixel electrode on the touch display substrate.
20. a kind of touch control display apparatus, it is characterised in that including the touch display substrate described in claim any one of 1-19.
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| CN201410541926.1A CN104238222B (en) | 2014-10-14 | 2014-10-14 | Touch control display apparatus and touch display substrate |
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| CN201410541926.1A CN104238222B (en) | 2014-10-14 | 2014-10-14 | Touch control display apparatus and touch display substrate |
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| CN104238222B true CN104238222B (en) | 2018-03-02 |
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Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104615324B (en) * | 2015-02-17 | 2017-06-06 | 京东方科技集团股份有限公司 | A kind of In-cell touch panel and display device |
| CN104808885A (en) * | 2015-05-11 | 2015-07-29 | 武汉华星光电技术有限公司 | Array substrate and touch display device |
| CN104865726B (en) * | 2015-06-04 | 2018-08-14 | 上海天马微电子有限公司 | A kind of array substrate, display panel, display device and preparation method |
| CN105445993B (en) * | 2015-12-08 | 2018-09-14 | 南京中电熊猫液晶显示科技有限公司 | A kind of curved surface liquid crystal panel |
| KR102552594B1 (en) * | 2015-12-31 | 2023-07-05 | 엘지디스플레이 주식회사 | Liquid crystal display device |
| JP2017151702A (en) * | 2016-02-24 | 2017-08-31 | 株式会社ジャパンディスプレイ | Display device |
| CN105867692B (en) | 2016-04-14 | 2019-05-03 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method and display panel and electronic device |
| CN106292108B (en) * | 2016-09-08 | 2019-03-29 | 京东方科技集团股份有限公司 | A kind of array substrate and display panel |
| CN106226961B (en) * | 2016-09-29 | 2019-09-13 | 深圳市华星光电技术有限公司 | A kind of COA array substrate and display device |
| CN108445669B (en) * | 2018-03-12 | 2021-08-24 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method thereof and display device |
| CN108762550B (en) | 2018-05-16 | 2021-01-15 | 京东方科技集团股份有限公司 | Touch display substrate, touch display method and touch display device |
| WO2020047712A1 (en) * | 2018-09-03 | 2020-03-12 | 深圳市柔宇科技有限公司 | Touch control display panel and touch control display device |
| CN109976013B (en) * | 2018-11-28 | 2021-08-17 | 南京京东方显示技术有限公司 | Display panel |
| CN110824795A (en) * | 2019-10-18 | 2020-02-21 | 深圳市华星光电半导体显示技术有限公司 | Substrate and liquid crystal display panel |
| CN112198698A (en) * | 2020-10-28 | 2021-01-08 | 武汉华星光电技术有限公司 | Touch display panel and display device |
| CN113050330B (en) * | 2021-03-26 | 2022-04-01 | Tcl华星光电技术有限公司 | Liquid crystal display panel and alignment method thereof |
| CN113406829B (en) * | 2021-06-30 | 2022-07-12 | 惠州华星光电显示有限公司 | Liquid crystal display panel and display device |
| CN114442383B (en) * | 2022-01-30 | 2024-01-09 | 合肥京东方光电科技有限公司 | Display panel and display device |
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