CN106020530A - A touch control display panel and a touch control display device - Google Patents
A touch control display panel and a touch control display device Download PDFInfo
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- CN106020530A CN106020530A CN201610297888.9A CN201610297888A CN106020530A CN 106020530 A CN106020530 A CN 106020530A CN 201610297888 A CN201610297888 A CN 201610297888A CN 106020530 A CN106020530 A CN 106020530A
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- display panel
- control display
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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
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Abstract
The invention provides a touch control display panel and a touch control display device. The touch control display panel comprises an array substrate and a color film substrate arranged oppositely; the touch control display panel comprises a display area and a non-display area surrounding the display area; the array substrate side of the display area is provided with touch control electrodes; the color film substrate side of the non-display area is provided with a first black matrix; the array substrate side of the non-display area is provided with a ground lead surrounding the display area; the first black matrix is inside provided with a hollow-out part; the positive projection image of at least a part of the hollow-out part on the array substrate at least partially overlaps the positive projection image of the ground lead on the array substrate, and/or the positive projection image of the at least a part of the hollow-out part on the array substrate is located between the ground lead and the display area. The problem of touch control exceptions caused by coupling of a ground lead and a first black matrix is solved; the stability of the touch control display panel is improved.
Description
Technical field
The present embodiments relate to technical field of touch-control display, particularly relate to a kind of touch-control display panel and touch-control
Display device.
Background technology
In Display Technique field, electrostatic is one of principal element of causing display floater yield to reduce, electrostatic
Shielding and protected working be one of factor that display floater design needs to consider, antistatic effect is also display
One of the main performance of panel and reliability evaluation index.Due to the circuit in display floater with assembly the most very
Finely, as long as the generation of the most slightly static discharge phenomenon, just it is easy to make whole display floater scrap.
Currently for static discharge phenomenon, main solution is to arrange in the non-display area of display floater
Around the ground lead of viewing area, and by external flexible wiring board ground connection.When static discharge produces, quiet
TV university all by the surrounding feed-in of display floater, is directly entered this ground lead, and is flowed into by flexible circuit board
System earth end, thus protect the precision circuit in display floater and assembly will not be hit because of static discharge
Wear.For preventing backlight from passing through from non-display area, beyond viewing area, color membrane substrates is provided with black matrix" and uses
It is in the light, and black matrix" border is generally the border of color membrane substrates.
If display floater possesses touch controllable function, need in the viewing area of display floater, arrange multiple touch control electrode.
But, ground lead easily couples with the black matrix" above it, thus can be to the limit, viewing area of display floater
The touch control electrode of edge impacts, and causes touch-control abnormal, can cause time serious edge of display area touch-control electricity
Pole cannot be reported a little, has had a strong impact on the touch-control performance of display floater.
Summary of the invention
The present invention provides a kind of touch-control display panel and touch control display apparatus, to realize strengthening touching of display floater
The purpose of control performance.
First aspect, embodiments provides a kind of touch-control display panel, including: the array being oppositely arranged
Substrate and color membrane substrates；
Described touch-control display panel includes viewing area and the non-display area around described viewing area；Described viewing area
Array base palte side be provided with touch control electrode；The color membrane substrates side of described non-display area is provided with the first black square
Battle array, the array base palte side of described non-display area is provided with the ground lead around described viewing area；Described first
Black matrix" is provided with hollow-out parts；The orthographic projection on described array base palte of at least part of described hollow-out parts with
The orthographic projection on described array base palte of the described ground lead at least partly overlaps, and/or at least partly described in engrave
The orthographic projection on described array base palte of the sky portion is between described ground lead and described viewing area.
Second aspect, the embodiment of the present invention additionally provides a kind of touch control display apparatus, including described in first aspect
Touch-control display panel.
The embodiment of the present invention is passed through to arrange hollow-out parts in the first black matrix" of the color membrane substrates side of non-display area,
And the orthographic projection on array base palte of at least part of described hollow-out parts is set with ground lead at described array base
Orthographic projection on plate at least partly overlaps, and/or arranges at least part of described hollow-out parts on described array base palte
Orthographic projection between described ground lead and described viewing area, thus reduce ground lead and the first black
The coupling of matrix, and then impact on the touch control electrode of edge of display area when avoiding touch-control, solve grounding lead
Line and the first black matrix" couple the touch-control abnormal phenomena caused, and improve the stability of touch-control display panel.
Accompanying drawing explanation
The plan structure schematic diagram of a kind of touch-control display panel that Fig. 1 a provides for the embodiment of the present invention；
Fig. 1 b is the cross-sectional view of A1A2 along Fig. 1 a；
The plan structure schematic diagram of another touch-control display panel that Fig. 2 a provides for the embodiment of the present invention；
Fig. 2 b is the cross-sectional view of B1B2 along Fig. 2 a；
Fig. 3 is the touch-control test result figure of touch-control display panel in prior art；
Fig. 4 is Fig. 2 a and the touch-control test result figure of touch-control display panel shown in Fig. 2 b；
Fig. 5 be ground lead width be 20 μm, hollow-out parts orthographic projection on array base palte is positioned at grounding lead
The touch-control test result figure of the touch-control display panel between line and viewing area；
Fig. 6 be the square resistance of the first black matrix" be 1011Ω/, the hollow-out parts just throwing on array base palte
The touch-control test result figure of shadow touch-control display panel between ground lead and viewing area；
Fig. 7 be the square resistance of the first black matrix" be 1011Ω/, ground lead width is 20 μm, engraves
The touch-control of the sky portion orthographic projection on array base palte touch-control display panel between ground lead and viewing area
Test result figure；
The plan structure schematic diagram of another touch-control display panel that Fig. 8 a provides for the embodiment of the present invention；
Fig. 8 b is the cross-sectional view of C1C2 along Fig. 8 a；
The plan structure schematic diagram of another touch-control display panel that Fig. 9 provides for the embodiment of the present invention；
The plan structure schematic diagram of another touch-control display panel that Figure 10 provides for the embodiment of the present invention；
The structural representation of a kind of touch control display apparatus that Figure 11 provides for the embodiment of the present invention.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.It is understood that this
Specific embodiment described by place is used only for explaining the present invention, rather than limitation of the invention.The most also need
It is noted that for the ease of describing, accompanying drawing illustrate only part related to the present invention and not all knot
Structure.
The plan structure schematic diagram of a kind of touch-control display panel that Fig. 1 a provides for the embodiment of the present invention, Fig. 1 b
For the cross-sectional view of A1A2 along Fig. 1 a.Seeing Fig. 1 a and Fig. 1 b, what the present embodiment provided touches
Control display floater includes: the array base palte 11 being oppositely arranged and color membrane substrates 12.Array base palte 11 and color film
The glue frame 31 of fixing support function it is provided with between substrate 12.Wherein, touch-control display panel includes viewing area
10 and non-display area 20 around viewing area 10.Array base palte 11 side of viewing area 10 is provided with touch-control electricity
Pole 111.Color membrane substrates 12 side of non-display area 20 is provided with the first black matrix" 121.Non-display area 20
Array base palte 11 side be provided with the ground lead 112 around viewing area 10.Ground lead 112 is by driving
Dynamic chip 30 ground connection.The non-display area 20 of touch-control display panel is dispersed with intensive circuit lead 13.Electricity
Pass line 13 can be the plain conductor connecting touch-control display panel scan line with driving chip 30.If touch-control
Display floater is driven by gate driver circuit, and circuit lead 13 can each with in gate driver circuit
Plain conductor and the plain conductor etc. being connected with each scan line.Ground lead 112 is non-display around being arranged on
The circuit lead in district 20 is peripheral.When static discharge produces, the electrostatic by the surrounding feed-in of display floater is direct
Enter this ground lead 112, and flow into system earth end by driving chip 30, be discharged in the earth.From
And protect the precision circuit in touch-control display panel and the assembly will not be breakdown because of static discharge.First is black
Colour moment battle array 121 is provided with hollow-out parts 122.And the orthographic projection that hollow-out parts 122 is on array base palte 11 with connect
Ground lead-in wire 112 orthographic projections on array base palte 11 at least partly overlap.
The present embodiment is by being positioned at setting on the first black matrix" 121 corresponding directly over ground lead 112
Hollow-out parts 122, is decreased ground lead 112 and is coupled edge, viewing area 10 by the first black matrix" 121
The impact that the touch control electrode 111 at place causes.
It should be noted that above-mentioned ground lead 112 is in addition to by driving chip 30 ground connection, it is also possible to pass through
External flexible wiring board ground connection, this is not construed as limiting by the present invention.
Touch-control display panel shown in Fig. 1 a is self-tolerant, and touch control electrode 111 is multiple touch control electrode blocks, touches
During control, each touch control electrode block forms electric capacity with ground.Each touch control electrode block passes through a touch-control lead-in wire 113 and drives
Dynamic chip 30 electrically connects.Additionally, the touch-control display panel that the present embodiment provides also includes public electrode.Touch-control
The touch control electrode of display floater can be separately as the electrode of touch-control, it is also possible to be multiplexed with the public affairs shown
Common electrode, under touch-control display panel is in the mode of operation of display state, it is public that touch control electrode plays offer
The effect of voltage；And under touch-control display panel is in the mode of operation of touch-control state, touch control electrode provides to be touched
Control drives signal.Touch control electrode and public electrode multiplexing, can reduce the thickness of touch-control display panel further,
And touch control electrode and public electrode multiplexing, only need an etching technics, it is not necessary to touch-control in manufacturing process
Electrode and public electrode make mask plate respectively, provide cost savings, decrease processing procedure quantity, improve production
Efficiency.
The plan structure schematic diagram of another touch-control display panel that Fig. 2 a provides for the embodiment of the present invention, Fig. 2 b
For the cross-sectional view of B1B2 along Fig. 2 a.See Fig. 2 a and Fig. 2 b, described touch-control display panel
Including the array base palte 11 being oppositely arranged and color membrane substrates 12.Wherein, touch-control display panel includes viewing area
10 and non-display area 20 around viewing area 10.Array base palte 11 side of viewing area 10 is provided with touch-control electricity
Pole 111.Color membrane substrates 12 side of non-display area 20 is provided with the first black matrix" 121.Non-display area 20
Array base palte 11 side be provided with the ground lead 112 around viewing area 10.Ground lead 112 is by outward
Portion's flexible circuit board or driving chip 30 ground connection.First black matrix" 121 is provided with hollow-out parts 122.
And the orthographic projection that hollow-out parts 122 is on array base palte 11 is between ground lead 112 and viewing area 10.
The present embodiment is between ground lead 112 and viewing area 10 in first black matrix" 121 of overlying regions
Hollow-out parts 122 is set, then the first black matrix" 121 that periphery, viewing area 10 couples with ground lead 112
Effective area reduce further, and the first black matrix" 121 of viewing area 10 edge is apart from grounding lead
Farther out, therefore the lateral electric capacity between ground lead 112 and the first black matrix" 121 reduces line, compared to
Above-described embodiment arranges hollow out being positioned at directly over ground lead 112 on the first corresponding black matrix" 121
Portion 122, can reduce the coupling effect between ground lead 112 and the first black matrix" 121 further,
Thus impact on the touch control electrode of viewing area 10 edge is the least.
Fig. 3 is the touch-control test result figure of touch-control display panel in prior art, each capacitance in Fig. 3
For the capacitance between each touch control electrode and the ground of touch-control display panel, unit is pico farad (pF).See figure
3 understand, and due to coupling between ground lead with black matrix", cause touch-control display panel marginal area 14
Capacitance between middle touch control electrode and ground is at about 4pF.Touching in touch-control display panel zone line 15
Capacitance between control electrode and ground maintains essentially in about 1pF.So touch-control display panel marginal area
14 and touch-control display panel zone line 15 in touch control electrode and ground between capacitance differ greatly.?
During the use of contact panel, easily there is touch-control bad phenomenon in touch-control display panel marginal area.
Fig. 4 is Fig. 2 a and the touch-control test result figure of touch-control display panel shown in Fig. 2 b.See Fig. 4 to understand,
The touch control electrode that touch-control display panel marginal area 16 is obtained with touch-control display panel zone line 17 test
And the capacitance difference between ground is little, is substantially in 1-2pF.Understand accordingly, first in fig. 2 a
Black matrix" 121 arranges hollow-out parts 122, and the hollow-out parts 122 just throwing on array base palte 11 is set
Shadow, between ground lead 112 and viewing area 10, can effectively solve ground lead 112 and the first black
The coupling of matrix 121 causes the bad problem of touch-control of touch-control display panel marginal area.
On the basis of above-described embodiment, for reducing ground lead and the coupling of the first black matrix" further,
Optionally, the width of ground lead is set less than 50 μm.Due to the existence of ground lead, easily by
The touch control electrode of one black matrix" coupling touch-control display panel marginal area, thus touch-control is impacted, lead
Cause touch-control is abnormal, makes the touch control characteristics in touch-control display panel marginal area be deteriorated.And ground lead is the widest,
This impact is the biggest, and the touch control electrode being likely to result in touch-control display panel marginal area cannot be reported a little.This
Inventive embodiments optionally arranges the width of ground lead and is less than 50 μm, on the basis ensureing antistatic effect
On, reduce the ground lead impact on the touch control electrode of touch-control display panel marginal area further.Fig. 5 is
Ground lead width is 20 μm, and hollow-out parts orthographic projection on array base palte is positioned at ground lead and viewing area
Between the touch-control test result figure of touch-control display panel.See Fig. 5, compared with Fig. 3, touch-control is shown
Between touch control electrode and ground that face plate edge region 18 and touch-control display panel zone line 19 test obtain
Capacitance difference is little, substantially belongs to be uniformly distributed.Therefore knowable to touch-control test result figure, this optional reality
Execute example can effectively solve the coupling of ground lead and the first black matrix" and cause touch-control display panel marginal area
The bad problem of touch-control.
On the basis of above-described embodiment, optionally, the square resistance of described first black matrix" more than or etc.
In 1011Ω/□.Owing to ground lead is to be impacted touch control electrode by the first black matrix" coupling, because of
This present embodiment optionally uses the first black matrix" of high resistant, optionally arranges the square of the first black matrix"
Resistance is more than or equal to 1011Ω/, reducing ground lead is to be coupled touch control electrode by the first black matrix"
The impact caused.Fig. 6 be the square resistance of the first black matrix" be 1011Ω/, hollow-out parts is at array base palte
On the touch-control test result figure of orthographic projection touch-control display panel between ground lead and viewing area.Ginseng
See Fig. 6, compared with Fig. 3, to touch-control display panel marginal area 21 and touch-control display panel zone line 22
Capacitance difference between touch control electrode and ground that test obtains is little, substantially belongs to be uniformly distributed.Therefore from
Touch-control test result figure understands, and this alternative embodiment can effectively solve ground lead and the first black matrix"
Coupling causes the bad problem of touch-control of touch-control display panel marginal area.
Fig. 7 be the square resistance of the first black matrix" be 1011Ω/, ground lead width is 20 μm, engraves
The touch-control of the sky portion orthographic projection on array base palte touch-control display panel between ground lead and viewing area
Test result figure.See Fig. 7, compared with Fig. 3, touch-control display panel marginal area 23 and touch-control are shown
Capacitance difference between touch control electrode and ground that panel zone line 24 test obtains is little, substantially belongs to all
Even distribution.Therefore knowable to touch-control test result figure, this alternative embodiment can effectively solve ground lead with
The coupling of the first black matrix" causes the bad problem of touch-control of touch-control display panel marginal area.
The plan structure schematic diagram of another touch-control display panel that Fig. 8 a provides for the embodiment of the present invention, Fig. 8 b
For the cross-sectional view of C1C2 along Fig. 8 a.See Fig. 8 a and Fig. 8 b, with the various embodiments described above not
With, the orthographic projection on array base palte 11 of at least part of hollow-out parts 122 and ground lead 112 are at array
Orthographic projection on substrate 11 at least partly overlaps, and at least part of hollow-out parts 122 is on array base palte 11
Orthographic projection between ground lead 112 and viewing area 10.Exemplary, Fig. 8 a and Fig. 8 b arranges and engraves
Sky portion 122 includes the first hollow-out parts 1221 and the second hollow-out parts 1222.Wherein, the first hollow-out parts 1221 exists
Orthographic projection on array base palte 11 is at least partly handed over the ground lead 112 orthographic projection on array base palte 11
Folded.The orthographic projection on array base palte 11 of second hollow-out parts 1222 is positioned at ground lead 112 and viewing area 10
Between.
Heretofore described hollow-out parts have multiple implementation, such as hollow-out parts include at least one around
The slit that described viewing area is arranged.The most described hollow-out parts is continuity, such as shown in Fig. 2 a.The present embodiment pair
Slot number does not limits.If hollow-out parts includes at least one slit arranged around described viewing area, then
Slit can be Guan Bi, it is also possible to be non-closed.If the ground that periphery, viewing area does not has ground lead can
So that hollow-out parts need not be arranged, as shown in Figure 9.
In other embodiments, it is also possible to according to practical situations, engraving of setting is set for described hollow-out parts
Null pattern.The shape of pierced pattern can also have various ways, and the shape of pierced pattern can be regular figure,
Can also be irregular figure, this not be limited by the embodiment of the present invention.Such as arrange at interval of certain distance
One hollow out rectangle, as shown in Figure 10.As long as ensureing that at least part of described setting pierced pattern is at described array
Orthographic projection on substrate at least partly overlaps with the orthographic projection on described array base palte of the described ground lead, and/
Or the orthographic projection that at least part of described setting pierced pattern is on described array base palte be positioned at described ground lead with
Between described viewing area.
On the basis of above-described embodiment, optionally, hollow-out parts is big along the length of the width of ground lead
Width in ground lead.The benefit so arranged is to try to increase ground lead and the first black square coupled
The distance of battle array, reduces the coupling impact on touch-control display panel marginal area touch-control performance.
On the basis of above-described embodiment, the color membrane substrates side of described viewing area is provided with the second of multiple opening
Black matrix", described second black matrix" segmentation limits multiple pixel display unit of matrix arrangement.Second
Color blocking unit it is provided with in the opening of black matrix".Second black matrix" is used for isolating adjacent color blocking unit,
And hide the light tight region (such as thin film transistor (TFT), data wire and scan line etc.) of pixel display unit.
Make quantity for saving technique, improving production efficiency, the present embodiment is optional, the first black matrix" and
Second black matrix" is made up of same material in same technique.Therefore optional, with the first black matrix" one
Sample, the square resistance of the second black matrix" is more than or equal to 1011Ω/□。
It should be noted that the touch-control display panel that Fig. 1 a-Figure 10 provides has many something in common, its phase
It is in subsequent drawings with it and continues to use identical reference, and something in common repeats no more.
The embodiment of the present invention also provides for a kind of touch control display apparatus, the one that Figure 11 provides for the embodiment of the present invention
The structural representation of touch control display apparatus, as shown in figure 11, described touch control display apparatus includes any of the above-described reality
Execute the touch-control display panel 100 described in example.It should be noted that the touch-control that the embodiment of the present invention provides shows
Panel also includes that other show for the circuit supporting touch control display apparatus normally to work and device, above-mentioned touch-control
Showing device can be the one in mobile phone, panel computer, Electronic Paper, digital photo frame.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.Those skilled in the art
It will be appreciated that the invention is not restricted to specific embodiment described here, can enter for a person skilled in the art
Row various obvious changes, readjust and substitute without departing from protection scope of the present invention.Therefore, though
So by above example, the present invention is described in further detail, but the present invention be not limited only to
Upper embodiment, without departing from the inventive concept, it is also possible to include other Equivalent embodiments more,
And the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a touch-control display panel, it is characterised in that including: the array base palte being oppositely arranged and color film base
Plate；
Described touch-control display panel includes viewing area and the non-display area around described viewing area；Described viewing area
Array base palte side be provided with touch control electrode；The color membrane substrates side of described non-display area is provided with the first black square
Battle array, the array base palte side of described non-display area is provided with the ground lead around described viewing area；Described first
Black matrix" is provided with hollow-out parts；The orthographic projection on described array base palte of at least part of described hollow-out parts with
The orthographic projection on described array base palte of the described ground lead at least partly overlaps, and/or at least partly described in engrave
The orthographic projection on described array base palte of the sky portion is between described ground lead and described viewing area.
Touch-control display panel the most according to claim 1, it is characterised in that the width of described ground lead
Degree is less than 50 μm.
Touch-control display panel the most according to claim 1, it is characterised in that described first black matrix"
Square resistance more than or equal to 1011Ω/□。
Touch-control display panel the most according to claim 1, it is characterised in that described hollow-out parts has and sets
Determining pierced pattern, the orthographic projection on described array base palte of at least part of described setting pierced pattern connects with described
Lead-in wire orthographic projection on described array base palte in ground at least partly overlaps, and/or at least part of described setting hollow out
Pattern orthographic projection on described array base palte is between described ground lead and described viewing area.
Touch-control display panel the most according to claim 1, it is characterised in that described hollow-out parts include to
A few slit arranged around described viewing area.
Touch-control display panel the most according to claim 1, it is characterised in that described hollow-out parts is along described
The length of the width of ground lead is more than the width of described ground lead.
Touch-control display panel the most according to claim 1, it is characterised in that the array of described viewing area
Substrate-side also includes that public electrode, described public electrode are multiplexed with described touch control electrode.
Touch-control display panel the most according to claim 1, it is characterised in that the color film of described viewing area
Substrate-side is provided with the second black matrix" of multiple opening, and described second black matrix" segmentation limits matrix row
Multiple pixel display unit of row.
Touch-control display panel the most according to claim 8, it is characterised in that described first black matrix"
It is made up of same material in same technique with the second black matrix".
10. a touch control display apparatus, it is characterised in that including: according to any one of claim 1-9
Touch-control display panel.
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| CN107491223A (en) * | 2017-09-26 | 2017-12-19 | 武汉华星光电技术有限公司 | Display panel and display device |
| TWI610215B (en) * | 2016-11-21 | 2018-01-01 | 意象無限股份有限公司 | Touch sensitive panel and polarized material detection method using the same |
| WO2018098680A1 (en) * | 2016-11-30 | 2018-06-07 | Boe Technology Group Co., Ltd. | Touch substrate, display panel, display apparatus, and fabricating method thereof |
| CN108874236A (en) * | 2018-08-29 | 2018-11-23 | 武汉华星光电技术有限公司 | Touch panel and display touch device |
| CN108983520A (en) * | 2018-09-29 | 2018-12-11 | 武汉华星光电技术有限公司 | The display panel of anti-electrostatic discharging |
| CN109085948A (en) * | 2018-07-26 | 2018-12-25 | 上海中航光电子有限公司 | Array substrate, display panel and display device |
| CN109343739A (en) * | 2018-10-16 | 2019-02-15 | 京东方科技集团股份有限公司 | Touching display screen and its manufacturing method, touch control display apparatus |
| CN109545838A (en) * | 2018-12-20 | 2019-03-29 | 上海天马微电子有限公司 | A kind of display panel and display device |
| US10367010B2 (en) | 2017-09-26 | 2019-07-30 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Array substrate and display device |
| CN111045549A (en) * | 2019-11-28 | 2020-04-21 | 武汉天马微电子有限公司 | Display panel, driving method thereof and display device |
| US10714509B2 (en) | 2017-09-26 | 2020-07-14 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Display panel and display device |
| CN113655912A (en) * | 2021-08-26 | 2021-11-16 | 合肥鑫晟光电科技有限公司 | Touch panel, preparation method thereof and touch device |
| CN114115598A (en) * | 2021-11-24 | 2022-03-01 | 武汉天马微电子有限公司 | Display panel and display device |
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