CN108920013A - A kind of array substrate and touch-control display panel - Google Patents
A kind of array substrate and touch-control display panel Download PDFInfo
- Publication number
- CN108920013A CN108920013A CN201810899596.1A CN201810899596A CN108920013A CN 108920013 A CN108920013 A CN 108920013A CN 201810899596 A CN201810899596 A CN 201810899596A CN 108920013 A CN108920013 A CN 108920013A
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- Prior art keywords
- touch control
- control electrode
- electrode
- touch
- public
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
Abstract
The invention discloses a kind of array substrates, including：Multiple public electrode blocks in array distribution,Multiple touch control electrodes in array distribution and the IC chip being connect with each touch control electrode,Touch control electrode is corresponded and is overlapped with public electrode block,Touch control electrode area is not more than public electrode block area,More remote then touch control electrode capacitor of the touch control electrode apart from IC chip is smaller,Touch control electrode area is smaller,Distance by touch control electrode apart from IC chip adjusts the size of touch control electrode,In public electrode block, overlay region and non-overlap area are set,Overlay region is overlapped with touch control electrode,Touch control electrode is connect by touch control electrode line with IC chip,Realize the switching of touch control electrode and public electrode block,Non-overlap area is connect by common signal line with IC chip,To influence quality problem caused by the effective solution load difference of touch control electrode.
Description
Technical field
The present invention relates to a kind of technical field of liquid crystal display more particularly to a kind of touch-control array substrate and touch-control display surfaces
Plate.
Background technique
Since iPhone is using capacitive touch display screen, since touch control display has the mode that can pass through touching
The advantages of directly being operated, masses also increase accordingly the experience requirements of touch screen, and touch screen becomes display field
Mainstream, be widely used in various electronic products.
External hanging type touch screen (Add on Touch Panel) is roughly divided into for prior art touch screen and is embedded in aobvious
Two kinds of In-cell touch panel (In cell Touch Panel) in display screen.External hanging type touch screen is an additional touch sensible
Screen fits on panel, and In-cell touch panel is that touch function is integrated in panel itself, it is not necessary to plug-in touch panel again, significantly
Meet consumer for the demand of thinning display,
The screen of small size is mostly used for for existing In-cell touch panel, size can be because of touch control electrode after increasing
Load difference problem influences the quality for showing picture.It is as shown in Figure 1 the array base-plate structure schematic diagram of the prior art, array
Substrate 1 includes the public electrode 1 and array distribution and the identical touch control electrode 2 of size that whole face is laid with, touch control electrode 2 and public
Electrode block 1 overlaps, and each touch control electrode 2 of public electrode is connect by touching signals line 4 with IC chip 7, integrates
7 touch control electrode 2 of circuit chip and 1 simultaneous transmission of signals of public electrode, but due to the touch-control apart from 7 distal end of IC chip
Signal wire 4 will obviously be longer than the touching signals line 4 of 7 proximal end of IC chip, therefore the load of distal end is bigger, and proximal end is born
Carry smaller, when 7 driving force of IC chip is not enough to make up the difference, product will appear bad, this phenomenon is big
It is especially apparent in sized panel.
In consideration of it, how to design the touch control electrode of touch control display, or existing design is improved, avoids loading
Difference bring is bad, to overcome drawbacks described above or deficiency in the prior art, be in the industry related personnel it is urgently to be resolved one
Item project.
Summary of the invention
The present invention provides a kind of array substrate and touch control display apparatus, the effective solution load difference of touch control electrode
Caused by influence quality problem.
A kind of array substrate, including：In multiple public electrode blocks of array distribution, in multiple touch-controls electricity of array distribution
Pole, the public electrode wire of each public electrode block of connection and IC chip and each touch control electrode of connection are connected and are integrated
The touch control electrode line of circuit chip, the touch control electrode and public electrode block correspond and least partially overlapped setting, described
Touch control electrode area is not more than the area of public electrode block；More remote then touch-control electricity of the touch control electrode apart from IC chip
Electrode capacitance is smaller, and touch control electrode area is smaller, and when touch control electrode and public electrode block area equation, public electrode block includes weight
Folded area；When touch control electrode area is less than public electrode block, public electrode block includes overlay region and non-overlap area, the overlay region
Chong Die with touch control electrode, the public electrode wire passes through the non-overlap area.
Preferably, multiple touch control electrodes form touch control electrode group, the electricity of multiple touch control electrodes in the touch control electrode group
Hold identical, the touch control electrode group is remoter apart from IC chip, and the touch control electrode capacitor in touch control electrode group is smaller.
Preferably, the touch control electrode capacitor of the touch control electrode group is all touch control electrode capacitor theories in touch control electrode group
The average value of calculated value.
Preferably, the side of touch control electrode is arranged in the public electrode block and touch control electrode non-overlap area.
Preferably, the touch control electrode is rectangle, and the public electrode block and touch control electrode non-overlap area are two pieces independent
Rectangle, public electrode block and touch control electrode non-overlap area are separately positioned on touch control electrode two sides.
Preferably, the touch control electrode is rectangle, and the public electrode block and touch control electrode non-overlap area are hollow, public
Common electrode block and touch control electrode non-overlap area are arranged in around touch control electrode.
Preferably, the touch control electrode is diamond shape, and the public electrode block and touch control electrode non-overlap area are four pieces independent
Triangle, be separately positioned on four side of touch control electrode.
Preferably, the touch control electrode is irregular figure, and the public electrode block and touch control electrode non-overlap area are two
Block irregular figure is separately positioned on touch control electrode two sides.
The present invention also provides a kind of touch-control display panels, including：Color membrane substrates, above-mentioned array substrate and color membrane substrates
Liquid crystal layer between array substrate.
The present invention provides a kind of array substrate, and the distance by touch control electrode apart from IC chip is electric to adjust touch-control
The size of pole is arranged overlay region in public electrode block and non-overlap area, overlay region is overlapped with touch control electrode, and touch control electrode is logical
It crosses touch control electrode line to connect with IC chip, realizes the switching of touch control electrode and public electrode block, non-overlap area passes through public affairs
Signal wire is connect with IC chip altogether, to influence quality caused by the effective solution load difference of touch control electrode
Problem.
Detailed description of the invention
Fig. 1 is prior art array base-plate structure schematic diagram；
Fig. 2 is one structural schematic diagram of the embodiment of the present invention；
Fig. 3 is two structural schematic diagram of the embodiment of the present invention；
Fig. 4 is three structural schematic diagram of the embodiment of the present invention.
Reference signs list：1- array substrate, 2- touch control electrode, 3- public electrode block, 4- touching signals line, 5- common electrical
Polar curve, 6- touch control electrode group, 7- IC chip, the overlay region 8-, 9- non-overlap area, SXm- m group touch control electrode group,
SXm1- m group touch control electrode the first touch control electrode of group, SXm2- m group touch control electrode group second touch control electrode, the touching of SXn- n-th group
Control electrode group, SXn1- n-th group touch control electrode the first touch control electrode of group, SXn2- n-th group touch control electrode group second touch control electrode,
SXp- pth group touch control electrode group, SXp1- pth group touch control electrode the first touch control electrode of group, SXp2- pth group touch control electrode group second
Touch control electrode.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate
It the present invention rather than limits the scope of the invention, after the present invention has been read, those skilled in the art are to of the invention each
The modification of kind equivalent form falls within the application range as defined in the appended claims.
To make simplified form, part related to the present invention is only schematically shown in each figure, they are not represented
Its practical structures as product.In addition, there is identical structure or function in some figures so that simplified form is easy to understand
Component only symbolically depicts one of those, or has only marked one of those.Herein, "one" is not only indicated
" only this ", can also indicate the situation of " more than one ".
Embodiment one：
Fig. 2 is a kind of one structural schematic diagram of array substrate embodiment of the present invention, as shown in Fig. 2, a kind of array substrate 1 is wrapped
It includes：IC chip 7, criss-cross scan line and data line intersect the multiple pixels limited by scan line and data line
Region, the pixel electrode positioned at the TFT switch of scan line and data line infall, in pixel region, array distribution it is more
A public electrode block 3, the insulating layer between pixel electrode and public electrode block 3 are located above public electrode block 3 and are in battle array
Multiple touch control electrodes 2 of column distribution, the public electrode wire 5 of each public electrode block 3 of connection to IC chip 7 and connection
Each touch control electrode 2 to IC chip 7 touch control electrode line 4.
Difference with the prior art is：The not instead of whole face of public electrode block 3 is laid with, and is formed as touch control electrode 2
Area format, each public electrode block 3 include multiple pixel units.
Wherein, at least partly public electrode block Chong Die with public electrode block 3 of touch control electrode 2, the touch control electrode 2 and public
Electrode block 3 is corresponded and is overlapped, and the area of touch control electrode 2 is not more than the area of public electrode block 3, the touch control electrode
2 is remoter apart from IC chip 7, and the capacitor of touch control electrode 2 is smaller, the area of touch control electrode 2 is smaller.
The area computation method of touch control electrode 2 is as follows：Multiple touch control electrodes 2 of one column are divided into touch control electrode group 6.At this
In embodiment, each touch control electrode group 6 includes 2 adjacent touch control electrodes 2 of same column, as illustrated in fig. 2, it is assumed that phase from top to bottom
Adjacent 3 groups of touch control electrode groups 6 are respectively m group touch control electrode group SXm, n-th group touch control electrode group SXn and pth group touch control electrode group
SXp, m group touch control electrode group SXm include two neighbouring touch control electrodes, i.e. the first touch-control of m group touch control electrode group electricity
Pole SXm1 and m group touch control electrode group second touch control electrode SXm2, n-th group touch control electrode group SXn include neighbouring two
Touch control electrode, i.e.,：N-th group touch control electrode group the first touch control electrode SXn1 and n-th group touch control electrode group second touch control electrode SXn2,
Pth group touch control electrode group SXp includes two neighbouring touch control electrodes, i.e. the first touch control electrode of pth group touch control electrode group
SXp1 and pth group touch control electrode group second touch control electrode SXp2.
Closest to one group of touch control electrode group of IC chip 7, i.e., by taking pth group touch control electrode group SXp as an example, to distinguish
Calculate the load value Yp1 and pth group touch control electrode group second touch control electrode of the first touch control electrode of pth group touch control electrode group SXp1
The load value Yp2 of SXp2, setting：The capacitor of pth group touch control electrode the first touch control electrode of group SXp1 is denoted as Cp1, pth group touch-control electricity
The touch-control that the capacitor of pole group second touch control electrode SXp2 is denoted as Cp2, connect with pth group touch control electrode the first touch control electrode of group SXp1
The resistance value of connecting line 4 be denoted as Rp1, with the electricity of the pth group touch control electrode group second touch control electrode SXp2 touch-control connecting line 4 connecting
Resistance value is denoted as Rp2, Yp1=Cp1*Rp1, Yp2=Cp2*Rp2, and the load value of pth group touch control electrode group SXp is Yp=(Yp1+
It Yp2)/2, is Rn1 with the resistance value of n-th group touch control electrode the first touch control electrode of group SXn1 touch-control connecting line 4 connecting, with n-th
The resistance value of the touch-control connecting line 4 of group touch control electrode group second touch control electrode SXn2 connection is Rn2, in order to keep pth group touch-control electric
The load value Yp of pole group SXp is equal to load value Yn, i.e. Yp=Yn=Rn*Cn=(Rn1+Rn2) * Cn of n-th group touch control electrode group,
N-th group touch control electrode group capacitor Cn=Yp/ (Rn1+Rn2), so as to obtain the electricity of the touch-control in n-th group touch control electrode group SXn
The size of pole.
When the area equation of touch control electrode 2 and public electrode block 3, touch control electrode 2 is Chong Die with public electrode block 3, touch-control
Electrode 2 includes overlay region 8；When 2 area of touch control electrode is less than the area of public electrode block 3, public electrode block 3 includes overlay region
8 and non-overlap area 9, the overlay region 8 be public electrode block 3 and 2 lap of touch control electrode, the non-overlap area 9 passes through public affairs
Common-battery polar curve 5 connect (the i.e. described public electrode wire 5 passes through non-overlap area 9) with IC chip 7, and 9th area of non-overlap is
Side rectangular and that touch control electrode 2 is set.
Public electrode block 3 and touch control electrode 2 of the IC chip 7 by touching signals line 4 to overlay region 8 provide letter
Number, which switches between public electrode block signal and touch control electrode signal, and IC chip 7 passes through public electrode wire 5
Signal is provided to the public electrode block 3 in non-overlap area 9, which is public electrode block signal.
Embodiment two：
Fig. 3 is a kind of two structural schematic diagram of array substrate embodiment of the present invention, and embodiment is second is that on the basis of embodiment one
On improve, specific improvement is：
Non-overlap area 9 is two pieces of individual rectangles, and public electrode block 3 and 2 non-overlap area 9 of touch control electrode are separately positioned on touching
2 two sides of electrode are controlled, two pieces of non-overlap area 9 are connect by public electrode wire 5 with IC chip 7 respectively.
The embodiment compares embodiment, so that the load of public electrode and touch control electrode is more balanced, it is not in deviate
Situation.
Embodiment three：
Fig. 4 is a kind of three structural schematic diagram of array substrate embodiment of the present invention, and embodiment is third is that on the basis of embodiment one
On improve, specific improvement is：
The touch control electrode 2 is irregular figure, the public electrode block 3 and 2 non-overlap area of touch control electrode be two pieces not
Regular figure is separately positioned on 2 two sides of touch control electrode.
It should be noted that the present invention can also set touch control electrode in rectangle, public electrode block and touch control electrode are non-
Overlay region is hollow, and public electrode block and touch control electrode non-overlap area are arranged in around touch control electrode.It can will equally touch
Control electrode is set as diamond shape, and public electrode block and touch control electrode non-overlap area are four pieces of individual triangle shapes, is separately positioned on
Four side of touch control electrode.
The present invention also provides a kind of touch-control display panels, including：Array substrate in color membrane substrates, above-described embodiment and
Liquid crystal layer between color membrane substrates and array substrate.
The preferred embodiment of the present invention has been described above in detail, but during present invention is not limited to the embodiments described above
Detail can carry out a variety of equivalents to technical solution of the present invention (in full within the scope of the technical concept of the present invention
Amount, shape, position etc.), these equivalents all belong to the scope of protection of the present invention.
Claims (9)
1. a kind of array substrate, it is characterised in that：Including：In multiple public electrode blocks of array distribution, in the more of array distribution
A touch control electrode, the public electrode wire of each public electrode block of connection and IC chip and each touch control electrode of connection connect
Connect the touch control electrode line with IC chip, the touch control electrode is corresponded with public electrode block and least partially overlapped set
It sets, the touch control electrode area is not more than the area of public electrode block；The touch control electrode is apart from the remoter of IC chip
Then touch control electrode capacitor is smaller, and touch control electrode area is smaller, when touch control electrode and public electrode block area equation, public electrode
Block includes overlay region；When touch control electrode area is less than public electrode block, public electrode block includes overlay region and non-overlap area, institute
It is Chong Die with touch control electrode to state overlay region, the public electrode wire passes through the non-overlap area.
2. array substrate according to claim 1, it is characterised in that：Multiple touch control electrodes form touch control electrode group, the touching
The capacitor for controlling multiple touch control electrodes in electrode group is identical, and the touch control electrode group is remoter apart from IC chip, touch-control electricity
Touch control electrode capacitor in the group of pole is smaller.
3. array substrate according to claim 2, it is characterised in that：The touch control electrode capacitor of the touch control electrode group is touch-control
The average value of all touch control electrode capacitor theory calculated values in electrode group.
4. array substrate according to claim 1, it is characterised in that：The public electrode block is set with touch control electrode non-overlap area
It sets in the side of touch control electrode.
5. array substrate according to claim 1, it is characterised in that：The touch control electrode is rectangle, the public electrode block
It is two pieces of individual rectangles with touch control electrode non-overlap area, public electrode block and touch control electrode non-overlap area are separately positioned on touch-control
Electrode two sides.
6. array substrate according to claim 1, it is characterised in that：The touch control electrode is rectangle, the public electrode block
It is hollow with touch control electrode non-overlap area, public electrode block and touch control electrode non-overlap area are arranged in around touch control electrode.
7. array substrate according to claim 1, it is characterised in that：The touch control electrode is diamond shape, the public electrode block
It is four pieces of individual triangles with touch control electrode non-overlap area, is separately positioned on four side of touch control electrode.
8. array substrate according to claim 1, it is characterised in that：The touch control electrode is irregular figure, described public
Electrode block and touch control electrode non-overlap area are two pieces of irregular figures, are separately positioned on touch control electrode two sides.
9. a kind of touch-control display panel, including：Liquid crystal between color membrane substrates, array substrate and color membrane substrates and array substrate
Layer, it is characterised in that：The array substrate is any one of the claim 1-8 array substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810899596.1A CN108920013B (en) | 2018-08-09 | 2018-08-09 | Array substrate and touch display panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810899596.1A CN108920013B (en) | 2018-08-09 | 2018-08-09 | Array substrate and touch display panel |
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| Publication Number | Publication Date |
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| CN108920013A true CN108920013A (en) | 2018-11-30 |
| CN108920013B CN108920013B (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810899596.1A Active CN108920013B (en) | 2018-08-09 | 2018-08-09 | Array substrate and touch display panel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111708464A (en) * | 2020-06-30 | 2020-09-25 | 厦门天马微电子有限公司 | Touch display panel and touch display device |
| CN112051934A (en) * | 2020-08-07 | 2020-12-08 | 武汉华星光电半导体显示技术有限公司 | Touch panel |
| CN112162661A (en) * | 2020-10-27 | 2021-01-01 | 武汉华星光电半导体显示技术有限公司 | Touch control display panel |
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|---|---|---|---|---|
| CN104699357A (en) * | 2015-04-01 | 2015-06-10 | 上海天马微电子有限公司 | Electronic equipment, touch display panel and touch display substrate |
| CN104820519A (en) * | 2015-05-08 | 2015-08-05 | 厦门天马微电子有限公司 | Touch display panel and touch display device |
| WO2018098680A1 (en) * | 2016-11-30 | 2018-06-07 | Boe Technology Group Co., Ltd. | Touch substrate, display panel, display apparatus, and fabricating method thereof |
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2018
- 2018-08-09 CN CN201810899596.1A patent/CN108920013B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104699357A (en) * | 2015-04-01 | 2015-06-10 | 上海天马微电子有限公司 | Electronic equipment, touch display panel and touch display substrate |
| CN104820519A (en) * | 2015-05-08 | 2015-08-05 | 厦门天马微电子有限公司 | Touch display panel and touch display device |
| WO2018098680A1 (en) * | 2016-11-30 | 2018-06-07 | Boe Technology Group Co., Ltd. | Touch substrate, display panel, display apparatus, and fabricating method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111708464A (en) * | 2020-06-30 | 2020-09-25 | 厦门天马微电子有限公司 | Touch display panel and touch display device |
| US11320921B2 (en) | 2020-06-30 | 2022-05-03 | Xiamen Tianma Micro-Electronics Co., Ltd. | Touch display panel and touch display device |
| CN111708464B (en) * | 2020-06-30 | 2022-09-09 | 厦门天马微电子有限公司 | Touch display panel and touch display device |
| CN112051934A (en) * | 2020-08-07 | 2020-12-08 | 武汉华星光电半导体显示技术有限公司 | Touch panel |
| CN112162661A (en) * | 2020-10-27 | 2021-01-01 | 武汉华星光电半导体显示技术有限公司 | Touch control display panel |
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| CN108920013B (en) | 2021-08-17 |
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