CN105573556B - A kind of touch-control display panel - Google Patents
A kind of touch-control display panel Download PDFInfo
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- CN105573556B CN105573556B CN201610067300.0A CN201610067300A CN105573556B CN 105573556 B CN105573556 B CN 105573556B CN 201610067300 A CN201610067300 A CN 201610067300A CN 105573556 B CN105573556 B CN 105573556B
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- electrode
- touch
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- display panel
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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
Abstract
The invention discloses a kind of touch-control display panels, including array substrate, and the counter substrate being arranged oppositely with the array substrate, the at least two first electrode items for extending in a first direction, arranging in a second direction are provided in the array substrate, at least one second electrode item is set between the first electrode item of two of arbitrary neighborhood, at least two are provided in the counter substrate to arrange along the first direction, the third electrode strip extended along the second direction, the second direction are vertical with the first direction;In the display stage, the first electrode item and the second electrode item receive public voltage signal;In the touch-control stage, the first electrode item receives touch drive signal, and the second electrode item receives constant voltage signal.Touch-control display panel provided in an embodiment of the present invention increases the spacing distance of two neighboring first electrode item, reduces the coupled interference between adjacent first electrode item, reduces a possibility that damage by static electricity occurs.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of touch-control display panels.
Background technique
With the development of science and technology, the touch-control display panel for integrating touch function and display function is increasingly becoming display neck
The mainstream display panel in domain.
In touch-control display panel, it will usually which touch control electrode is set in array substrate, and the touch control electrode can be
It is multiplexed by public electrode.Fig. 1 is the schematic top plan view of array substrate in the prior art.As shown in Figure 1, array substrate
Multiple public electrodes 111 extended along Y-direction and arrange in X direction are set on 110, and to save space and simplifying structure, it is public
Common electrode 111 is multiplexed with touch control electrode 111.Each touch control electrode 111 passes through corresponding cabling 120 and is electrically connected with driving chip 130, with
It is independently controlled each touch control electrode 111, to accurately detect touch point position.Have between adjacent touch electrode 111 certain
Gap 140, usually with the similar width of data line, due to 140 very little of gap, the coupling between adjacent touch electrode 111 is dry
It disturbs larger, and easily causes damage by static electricity.
Summary of the invention
It is an object of the invention to propose a kind of touch-control display panel, to reduce the coupling between adjacent touch driving electrodes
Interference reduces a possibility that damage by static electricity occurs.
For this purpose, the present invention provides a kind of touch-control display panel, including array substrate, and with the array base
The counter substrate that plate is arranged oppositely is provided at least two in the array substrate and extends in a first direction, arranges in a second direction
At least one second electrode item is arranged between the first electrode item of two of arbitrary neighborhood in the first electrode item of column, described right
It sets and is provided at least two on substrate along first direction arrangement, the third electrode strip extended along the second direction is described
Second direction is vertical with the first direction;In the display stage, the first electrode item and the second electrode item receive public affairs
Common voltage signal;In the touch-control stage, the first electrode item receives touch drive signal, and the third electrode strip is based on the touching
It controls driving signal and exports touch control detection signal, the second electrode item receives constant voltage signal.
Using touch-control display panel provided in an embodiment of the present invention, the interval distance of two neighboring first electrode item is increased
From a possibility that reducing the coupled interference between adjacent first electrode item, reduce generation damage by static electricity.
Detailed description of the invention
In order to more clearly illustrate the technical scheme of the exemplary embodiment of the present invention, below to required in description embodiment
The attached drawing to be used does a simple introduction.Obviously, the attached drawing introduced is present invention a part of the embodiment to be described
Attached drawing, rather than whole attached drawings without creative efforts, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is the schematic top plan view of array substrate in the prior art;
Fig. 2 a is a kind of touch-control display panel schematic cross-section provided in an embodiment of the present invention;
Fig. 2 b is the schematic top plan view of touch-control display panel shown in Fig. 2 a;
Fig. 3 a is the schematic top plan view of another touch-control display panel provided in an embodiment of the present invention;
Fig. 3 b is the partial enlarged view of Fig. 3 a;
Fig. 4 a is a kind of schematic top plan view of array substrate provided in an embodiment of the present invention;
Fig. 4 b is the schematic top plan view of another array substrate provided in an embodiment of the present invention;
Fig. 5 is the schematic top plan view of another array substrate provided in an embodiment of the present invention;
Fig. 6 is the schematic cross-section of another touch-control display panel provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below with reference to attached in the embodiment of the present invention
Figure, by specific embodiment, is fully described by technical solution of the present invention.Obviously, described embodiment is of the invention
A part of the embodiment, instead of all the embodiments, based on the embodiment of the present invention, those of ordinary skill in the art are not doing
The every other embodiment obtained under the premise of creative work out, falls within the scope of protection of the present invention.
The embodiment of the invention provides a kind of touch-control display panels.Fig. 2 a is that a kind of touch-control provided in an embodiment of the present invention is aobvious
Show the schematic cross-section of panel.As shown in Figure 2 a, which includes array substrate 210, and with array substrate 210
The counter substrate 220 being arranged oppositely, is provided at least two first electrode items 211 in array substrate 210, and two of arbitrary neighborhood
At least one second electrode item 212 is set between first electrode item 211, at least two thirds electricity is provided in counter substrate 220
Side of the counter substrate 220 towards array substrate 210 is arranged in pole item 221, third electrode strip 221.
Fig. 2 b is the schematic top plan view of touch-control display panel shown in Fig. 2 a.As shown in Figure 2 b, at least two first electrode item
211 are arranged at least one between first direction Y extension, in a second direction X arrangement, two first electrode items 211 of arbitrary neighborhood
Second electrode item 212.At least two third electrode strips 221 are arranged along first direction Y, and X extends in a second direction, second direction
X is vertical with first direction Y.
Touch-control display panel shown in Fig. 2 a and Fig. 2 b, in the display stage, first electrode item 211 and second electrode item 212
Public voltage signal is received, so that touch-control display panel realizes the function that image is shown;In the touch-control stage, first electrode item
211 receive touch drive signal, and third electrode strip 221 is based on touch drive signal and exports touch control detection signal, so that touch-control
Display panel realizes touch control detection function, and second electrode item 212 receives constant voltage signal.
It should be noted that first electrode item 211 receives public voltage signal in the display stage, as public electrode item;
First electrode item 211 receives touch drive signal in the touch-control stage, as touch-driven electrode item;Second electrode item 212 is aobvious
Show that the stage receives public voltage signal, as public electrode item, the touch-control stage receive constant voltage signal (such as: common electrical
Press signal);Third electrode strip 221 is only involved in the touch-control stage, is based on touch drive signal output touch control detection letter in the touch-control stage
Number, as touch detection electrodes item.
It further, further include common electrode layer in array substrate, common electrode layer is divided into prolongs along first direction Y
It stretches, the strip shaped electric poles of X arrangement in a second direction, strip shaped electric poles are first electrode item 211 and second electrode item 212.
It should be noted that preparation process difficulty is reduced, by the common electrical in array substrate to simplify array base-plate structure
Pole layer is divided into multiple strip shaped electric poles, and multiple strip shaped electric poles are divided into two parts, and a part is used as first electrode item 211, i.e.,
Reusable is the public electrode item of touch-driven electrode, and another part is as second electrode item 212, i.e., dedicated public electrode
Item, and first electrode item 211 and second electrode item 212 meet above-mentioned positional relationship.
It should also be noted that, touch-control display panel provided in an embodiment of the present invention can be liquid crystal display panel or have
Machine light emitting display panel, or other display panels with array substrate and counter substrate structure.
Using touch-control display panel provided in an embodiment of the present invention, be arranged between two first electrode items of arbitrary neighborhood to
A few second electrode item, compared with the existing technology in each first electrode direct neighbor, increase two neighboring first electrode
The spacing distance of item, and held due to being provided between the touch-control stage, adjacent two first electrode items (touch-driven electrode)
The second electrode item of constant signal is received in continued access, and it is dry that second electrode item can play the coupling reduced between adjacent first electrode item
It disturbs, reduces a possibility that damage by static electricity occurs.
Further, as shown in Figure 2 b, in the touch-control display panel that the above embodiment of the present invention provides, second electrode item
212 and first electrode item 211 be spaced setting one by one.This set is conducive to electric between first electrode item 211 and third electrode strip 221
Field is uniformly distributed, and then avoids the occurrence of the phenomenon that cannot detecting touch point since internal field is too small.
Further, of same size, at least two first electrodes of at least two first electrode items 211 X in a second direction
The gap width of X is identical in a second direction between item 211, and the width phase of at least one second electrode item 212 X in a second direction
Together.In this structure, the distribution of electric field is more equal between at least two first electrode items 211 and at least two third electrode strips 221
It is even, be conducive to the touch-control sensitivity for promoting touch control display, simplify the calculating of subsequent touch point position.
It should be noted that touch display panel structure shown in Fig. 2 a and Fig. 2 b is merely illustrative, not to first electrode item
211, second electrode item 212 and third electrode strip 221 are along the width of its arragement direction and the limit of adjacent electrode spacing distance
It is fixed, it adjusts the touch display panel structure obtained after features described above and belongs to the scope of the present invention.
Fig. 3 a is the schematic top plan view of another touch-control display panel provided in an embodiment of the present invention, as shown in Figure 3a, should
Touch-control display panel further includes the scan line that a plurality of data line 310 extended along first direction Y and a plurality of X in a second direction extend
320.Fig. 3 b is the partial enlarged view of Fig. 3 a, ellipse dotted line frame inner region in corresponding diagram 3a.As shown in Figure 3b, a plurality of along first
The scan line 320 that the data line 310 and a plurality of X in a second direction that direction Y extends extend limits multiple pixel units 330, can
Choosing, in conjunction with reference Fig. 2 a and Fig. 2 b, in embodiments of the present invention, first electrode item 211 and data line 310 are arranged in parallel, the
Three electrode strips 221 and scan line 320 are arranged in parallel.
In addition, in fig. 3 a, the width of at least one second electrode item 212 X in a second direction is greater than at least two pixels
The width of the X in a second direction of unit 330.It should be noted that if the width of at least one second electrode item 212 X in a second direction
Spend it is narrow, will lead to each second electrode item 212 resistance increase, in the case where public voltage signal is certain, each second electrode
The increase of 212 resistance of item can extend each 212 charging time of second electrode item, and then the picture for influencing touch-control display panel opens speed
Degree, therefore the width that the embodiment of the present invention chooses two pixel units X in a second direction is threshold value to limit at least one the second electricity
The width of pole item, to avoid the appearance of the above problem.
Fig. 4 a is a kind of schematic top plan view of array substrate provided in an embodiment of the present invention.As shown in fig. 4 a, array substrate
Including display area 410 and non-display area 420, at least two first electrode items 211 and at least one second electrode item 212
It is arranged in display area 410, non-display area 420 is provided with driving chip 430, and driving chip 430 includes the first signal terminal
431 and second signal terminal 432, wherein the first signal terminal 431 and at least two first electrode items 211 correspond, and lead to
It crosses the first metal routing 440 to be electrically connected with corresponding at least two first electrodes item 211, second signal terminal 432 passes through the second gold medal
Belong to cabling 450 to be electrically connected at least one second electrode item 212.
It should be noted that at least two first electrode items 211 pass through a plurality of first gold medal with multiple first signal terminals 431
Belong to cabling 440 and corresponds electrical connection, and at least one second electrode item 212 passes through the second metal routing 450 and two second
Signal terminal 432 connects, as shown in fig. 4 a;Or connect with a second signal terminal 432, as shown in Figure 4 b;Or at least one
Second electrode item 212 is electrically connected with multiple second signal terminals 432 by a plurality of second metal routing 450 one-to-one correspondence, is such as schemed
First electrode item 211 corresponds the side being electrically connected by a plurality of first metal routing 440 with the first signal terminal 431 in 4a
Formula.Second electrode item 212 shown in Fig. 4 a and Fig. 4 b passes through the second metal routing 450 and two or a second signal terminal
432 connections are advantageous in that: at least one voltage needed for the display stage of second electrode item 212 is identical, and driving chip 430 is only
It needs to be that at least one second electrode item 212 provides public voltage signal, i.e., one using one or two second signal terminal 432
A constant voltage.And in the touch-control stage, it needs successively to send touching signals at least two first electrode items 211, so as to
It is logical to determine touch point position, therefore the first signal terminal 431 is arranged in a one-to-one correspondence at least two first electrode items 211.
It should also be noted that, the second metal routing 450 is only as connection second signal terminal 432 and at least one the second
The medium of electrode strip 212, the position that structure is connect according at least one second electrode item 212 with second signal terminal 432 into
Row adjustment.
In fig.4, in the touch-control stage, first electrode item 211 is touch-driven electrode, and driving chip 430 passes through the first gold medal
Belong to cabling 440 and sends touch drive signal at least two first electrode items 211;In the display stage, first electrode item 211 is multiplexed
For public electrode, driving chip 430 sends common voltage at least two first electrode items 211 by the first metal routing 440
Signal, and public voltage signal is sent at least one second electrode item 212 by the second metal routing 450.
Fig. 5 is the schematic top plan view of another array substrate provided in an embodiment of the present invention.As shown in figure 5, data line 310
It is electrically connected by third metal routing 510 with the third signal terminal 433 of driving chip 430, driving chip 430 is for showing
Stage sends display data signal to data line by third signal terminal 433, the display data signal on data line 310 with sweep
Retouch the display that respective pixel unit 330 is completed in the display scanning signal cooperation on line 320.
It is different that side of the counter substrate 220 towards array substrate 210 be set from third electrode strip 221 shown in Fig. 2 a,
Can also be disposed at the side of array base palte 210 in the embodiment of the present invention, Fig. 6 be it is provided in an embodiment of the present invention again
A kind of schematic cross-section of touch-control display panel.As shown in fig. 6, the touch-control display panel includes array substrate 210, and with battle array
The counter substrate 220 that column substrate 210 is arranged oppositely is provided at least two in array substrate 210 and extends in a first direction, along
The first electrode item 211 of two directions arrangement, is arranged at least one second electrode between two first electrode items 211 of arbitrary neighborhood
The setting of item 212, at least two first electrode items 211 and at least one second electrode item, 212 same layer;It is arranged in counter substrate 220
There are at least two to arrange along first direction, the third electrode strip 221 extended in a second direction, second direction and first direction hang down
Directly, the side of 220 array base palte 210 of counter substrate is arranged in third electrode strip 221.
Touch-control display panel provided in an embodiment of the present invention, including array substrate, and be arranged oppositely with array substrate
Counter substrate, at least two first electrode items and at least one second electrode item is arranged in same layer in array substrate, and two neighboring
At least one second electrode item is set between first electrode item, and setting extending direction is vertical with first electrode item in counter substrate
Third electrode strip, in the display stage, first electrode item and second electrode item receive public voltage signal;In the touch-control stage,
One electrode strip receive touch drive signal, third electrode strip be based on the touch drive signal export touch control detection signal, second
Electrode strip receives constant voltage signal.This structure design increases the spacing distance of two neighboring first electrode item, reduces
Coupled interference between adjacent first electrode item reduces a possibility that damage by static electricity occurs.
The technical principle that above are only presently preferred embodiments of the present invention and used.The present invention is not limited to spies described here
Determine embodiment, various significant changes, readjustment and the substitution being able to carry out for a person skilled in the art are not departing from
Protection scope of the present invention.Therefore, although the present invention has been described in more detail through the above examples, this hair
It is bright to be not limited only to above embodiments, it can also include other more equivalence enforcements without departing from the inventive concept
Example, and the scope of the present invention is determined by the scope of the claims.
Claims (9)
1. a kind of touch-control display panel, which is characterized in that including array substrate, and pair being arranged oppositely with the array substrate
Substrate is set, at least two first electrode items for extending in a first direction, arranging in a second direction are provided in the array substrate,
At least one second electrode item is set between the first electrode item of two of arbitrary neighborhood,
At least two are provided in the counter substrate along first direction arrangement, the third electricity extended along the second direction
Pole item, the second direction are vertical with the first direction;
The a plurality of data line extended along the first direction and a plurality of scan line extended along the second direction, a plurality of edge
The data line and a plurality of scan line extended along the second direction that the first direction extends limit multiple pixel units;
In the display stage, the first electrode item and the second electrode item receive public voltage signal;
In the touch-control stage, the first electrode item receives touch drive signal, and the third electrode strip is driven based on the touch-control
Signal exports touch control detection signal, and the second electrode item receives constant voltage signal.
2. touch-control display panel according to claim 1, which is characterized in that the first electrode item and the second electrode
Item is spaced setting one by one.
3. touch-control display panel according to claim 1, which is characterized in that at least two first electrodes item is described in
Second direction it is of same size.
4. touch-control display panel according to claim 3, which is characterized in that edge between at least two first electrodes item
The gap width of the second direction is identical and at least one second electrode item along the second direction width phase
Together.
5. touch-control display panel according to claim 1, which is characterized in that further include public electrode in the array substrate
Layer, the common electrode layer, which is divided into, to be extended along the first direction, along the strip shaped electric poles of second direction arrangement, described
Strip shaped electric poles are the first electrode item and the second electrode item.
6. touch-control display panel according to claim 1, which is characterized in that at least one second electrode item is described in
The width of second direction is greater than at least two pixel units along the width of the second direction, and the touch-control display panel is
Liquid crystal display panel or organic light emitting display panel.
7. -6 any touch-control display panel according to claim 1, which is characterized in that the array substrate includes viewing area
Domain and non-display area, at least two first electrodes item and at least one second electrode item are arranged in the display
Region, the non-display area are provided with driving chip, and the driving chip includes the first signal terminal and second signal terminal,
Wherein, first signal terminal and the first electrode item correspond, and pass through the first metal routing and corresponding described the
The electrical connection of one electrode strip, the second signal terminal are electrically connected by the second metal routing and at least one second electrode item
It connects.
8. touch-control display panel according to claim 7, which is characterized in that the data line by third metal routing with
The third signal terminal of the driving chip is electrically connected, and the driving chip is used to pass through the third signal end in the display stage
Son sends display data signal to the data line.
9. touch-control display panel according to claim 1, which is characterized in that the third electrode strip is arranged described opposed
Side of the substrate towards the array substrate, or backwards to the side of the array substrate.
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Families Citing this family (5)
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CN108255361B (en) * | 2018-03-09 | 2021-07-16 | 上海天马微电子有限公司 | Touch display panel, driving method thereof and touch display device |
CN108255350B (en) * | 2018-03-09 | 2021-07-16 | 上海天马微电子有限公司 | Touch control display device |
WO2020118499A1 (en) * | 2018-12-11 | 2020-06-18 | 上海箩箕技术有限公司 | Optical sensor and forming method therefor |
CN111399696A (en) | 2020-04-30 | 2020-07-10 | 武汉华星光电技术有限公司 | Thin film transistor array substrate and touch display panel |
CN113809136B (en) * | 2021-09-14 | 2023-08-22 | 武汉华星光电技术有限公司 | Display panel and display device |
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