CN107728845A - A kind of touch panel and display device - Google Patents
A kind of touch panel and display device Download PDFInfo
- Publication number
- CN107728845A CN107728845A CN201711021056.5A CN201711021056A CN107728845A CN 107728845 A CN107728845 A CN 107728845A CN 201711021056 A CN201711021056 A CN 201711021056A CN 107728845 A CN107728845 A CN 107728845A
- Authority
- CN
- China
- Prior art keywords
- block type
- type electrode
- touch panel
- strip shaped
- shaped electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- 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 panel and display device.The touch panel includes the first substrate and second substrate being oppositely arranged, and is provided with touch electrode on the first substrate.Touch electrode includes the block type electrode in matrix form arrangement, is provided between adjacent two row or adjacent rows block type electrode for reducing strip shaped electric poles of the peripheral circuits to the block type electrode signal interference.The touch panel; by being provided for reducing strip shaped electric poles of the peripheral circuits to the block type electrode signal interference between adjacent two row or adjacent rows block type electrode; so that each block type electrode is adjacent with strip shaped electric poles; so that strip shaped electric poles play shielding and protective effect to block type electrode; reduce interference of the peripheral circuits to block type electrode; the signal difference between block type electrode is reduced, it is abnormal bad with display to avoid touch.The present invention discloses the display device including the touch panel.
Description
Technical field
The present invention relates to technical field of touch-control display, and in particular to a kind of touch panel and display device.
Background technology
Touch-screen is also known as touch panel, in various electronic products extensively using and accepted extensively by consumer,
Therefore, industry is directed to improving touch screen display technologies always to bring more preferable Consumer's Experience to consumer.
Multi-point touch is the technology realized jointly with hardware device using human-computer interaction technology, can be set in no tradition input
The man-machine interactive operation of standby lower progress computer.But with small size display panel display and touch integrated level increasingly
Height, and performance requirement is more and more harsh, complete embedded (Full In-Cell, FIC) touch panel occurs, will touch work(
Panel itself, public electrode of the touch electrode simultaneously as display can be integrated in.With the increase of degree of integration, in touch electrode
The quantity of block type electrode is more and more.Each block type electrode is different from the distance of peripheral circuits so that each block type electrode by
The interference of peripheral circuits is different, causes the signal on each block type electrode to produce difference, and not only easily generation touch is abnormal, and
Also display is brought bad.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is to provide a kind of touch panel and display device, existing to solve
There is in technology in In-cell touch panel the big technical problem of signal difference between block type electrode.
In order to solve the above-mentioned technical problem, the embodiments of the invention provide a kind of touch panel, including be oppositely arranged
One substrate and second substrate, are provided with touch electrode on the first substrate, and the touch electrode includes arranging in matrix form
Block type electrode, be provided between adjacent two row or adjacent rows block type electrode for reducing peripheral circuits to the block type electrode
The strip shaped electric poles of signal interference.
Alternatively, the strip shaped electric poles are connected with each other.
Alternatively, the strip shaped electric poles are connected with common electric voltage output end.
Alternatively, orthographic projection of the strip shaped electric poles on the first substrate is located at pixel electrode in the first substrate
On orthographic projection in.
Alternatively, the making material of the strip shaped electric poles is transparent conductive material.
Alternatively, the strip shaped electric poles are formed with the block type electrode by a patterning processes.
Alternatively, the width of the strip shaped electric poles is less than or equal to the width of the block type electrode.
Alternatively, the width of the strip shaped electric poles is the half of the width of the block type electrode.
Alternatively, the width of the strip shaped electric poles is equal with the width of the block type electrode.
In order to solve the above-mentioned technical problem, the embodiments of the invention provide a kind of display device, including above-described touch
Touch panel.
The touch panel and display device that the embodiment of the present invention proposes, by adjacent two row or adjacent rows block type electrode
Between be provided for reducing peripheral circuits to the strip shaped electric poles of block type electrode signal interference so that each block type electrode and strip
Electrode is adjacent, so that strip shaped electric poles play shielding and protective effect to block type electrode, reduces peripheral circuits to block electricity
The interference of pole, the signal difference between block type electrode is reduced, it is abnormal bad with display to avoid touch.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by specification, rights
Specifically noted structure is realized and obtained in claim and accompanying drawing.
Brief description of the drawings
Accompanying drawing is used for providing further understanding technical solution of the present invention, and a part for constitution instruction, with this
The embodiment of application is used to explain technical scheme together, does not form the limitation to technical solution of the present invention.
Fig. 1 is the structural representation of touch panel in the prior art；
Fig. 2 is the structural representation of touch panel of the embodiment of the present invention.
Description of reference numerals：
10- first substrates；11- block type electrodes；12- strip shaped electric poles；
21- integrated circuits；31- connecting lines.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing to the present invention
Embodiment be described in detail.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can mutually be combined.
Fig. 1 is the structural representation of touch panel in the prior art.The touch panel includes the first substrate being oppositely arranged
And second substrate, touch electrode is provided with the first substrate.From figure 1 it appears that it is in matrix that touch electrode, which includes multiple,
The block type electrode 11 of formula arrangement.Block type electrode 11 is evenly distributed on whole panel.The integrated circuit of touch panel is typically set
In the side of touch panel, in Fig. 1, integrated circuit 21 is arranged on the downside of touch panel.In each row block type electrode 11,
With the increase of block type electrode 11 and touch panel lower edge distance, the connecting line 31 between block type electrode 11 and integrated circuit 21
It is longer.In actually implementing, connecting line 31 will realize connection by the via on touch panel, therefore, the resistance of connecting line 31,
Connection resistance i.e. between block type electrode 11 and integrated circuit 21 can be calculated by below equation：R=ρ * l/ (a*s),
Wherein, a is number of vias, and ρ is connecting line density of material, and l is connection line length, and s was hole area.
Therefore, can be by with lower section if to reduce the connection resistance between touch electrode block 11 and integrated circuit 21
Formula：
First, increase number of vias a, but it is demonstrated experimentally that number of vias can excessively cause other problemses；
Second, increased hole area s, but as display panel resolution ratio is increasingly come, it is difficult to increase hole area；
3rd, reduce connection line length l, but due to integrated circuit position fix after, touch electrode block inherently be present
The problem of distance is inconsistent between integrated circuit.
Analyzed more than, inventor has found, it is difficult to be changed by reducing the resistance between block type electrode and integrated circuit
Signal difference between kind block type electrode.
In order to solve the problems, such as that signal difference is big between block type electrode in touch electrode, the embodiments of the invention provide one kind
Touch panel, including the first substrate and second substrate being oppositely arranged, are provided with touch electrode on the first substrate, described
Touch electrode includes the block type electrode in matrix form arrangement, is provided between adjacent two row or adjacent rows block type electrode for dropping
Strip shaped electric poles of the low peripheral circuits to the block type electrode signal interference.
The touch panel of the embodiment of the present invention, by being provided for dropping between adjacent two row or adjacent rows block type electrode
Strip shaped electric poles of the low peripheral circuits to the block type electrode signal interference so that each block type electrode is adjacent with strip shaped electric poles,
So that strip shaped electric poles play shielding and protective effect to block type electrode, interference of the peripheral circuits to block type electrode is reduced,
The signal difference between block type electrode is reduced, it is abnormal bad with display to avoid touch.
The technical scheme of the embodiment of the present invention will be discussed in detail by specific embodiment below.
First embodiment：
Fig. 2 is the structural representation of touch panel of the embodiment of the present invention.The touch panel includes first substrate and the second base
Plate, touch electrode is provided with first substrate 10.From figure 2 it can be seen that touch electrode includes the block in matrix form arrangement
Shape electrode 11, it is provided with for reducing strip of the peripheral circuits to block type electrode signal interference between adjacent two row block type electrode 11
Electrode 12.
In actual applications, the block type electrode 11 of touch electrode is connected with the integrated circuit 21 of touch display panel, block
Public electrode of the shape electrode 11 simultaneously as display.Because block type electrode 11 is different from the distance of peripheral circuits, cause block electricity
The signal of pole 11 is different by the interference of peripheral circuits so that the signal of block type electrode 11 produces larger difference.So as to easily produce
It is raw to touch exception, it is bad to also result in display.The touch panel of the embodiment of the present invention, by adjacent two row block type electrode 11 it
Between be provided for reducing peripheral circuits to the strip shaped electric poles 12 of block type electrode signal interference, and cause each block type electrode 11 with
Strip shaped electric poles 12 are adjacent, so that strip shaped electric poles 12 play shielding and protective effect to block type electrode 11.In this manner it is possible to drop
Interference of the low peripheral circuits to the signal of block type electrode 11, improve the signal difference between block type electrode 11, avoid touching it is abnormal and
Show bad.Meanwhile strip shaped electric poles 12 can also shield the coupled capacitor of block type electrode 11 between adjacent two row so that block electricity
The touch performance of pole 11 is more stable, improves the short circuit problem between block type electrode 11.
In In-cell touch panel, when block type electrode 11 is used as touch electrode, different block type electrode 11 in same row
The length of connecting line 31 between integrated circuit 21 is inconsistent, causes the signal attenuation of block type electrode 11 different.The present invention is implemented
The touch panel of example, is provided with strip shaped electric poles 12 between block type electrode 11, compared to the touch panel without strip shaped electric poles 12, sheet
The size of block type electrode 11 in inventive embodiments is less than normal, so as to improve the touch signal intensity of block type electrode 11, improves
Due to signal difference caused by signal attenuation, the touch performance of touch electrode is further increased.
Further, in order to reduce the difference of shielding action between different strip shaped electric poles 12, it is preferable that strip shaped electric poles 12 are mutual
Connection.So, strip shaped electric poles 12 just turn into an entirety, so that each block type electrode is in being formed by strip shaped electric poles 12
Same protection electric field in, avoid interference of the peripheral circuits to block type electrode.
In In-cell touch panel, the block type electrode 11 as touch electrode is simultaneously as public electrode when showing.
Therefore, in order to not influence the area coverage of public electrode, it is preferable that strip shaped electric poles 12 are connected with common electric voltage output end, so as to
So that it may be used as public electrode on strip shaped electric poles 12.In fig. 2, the common electric voltage of strip shaped electric poles 12 and integrated circuit 31 exports
End connection.
In order to ensure that strip shaped electric poles 12 are used as the performance of public electrode, strip shaped electric poles 12 and pixel electrode are further ensured that
Between can form liquid crystal capacitance, therefore, it is further preferred that orthographic projection of the strip shaped electric poles 12 on first substrate 10 is located at picture
Plain electrode is in the orthographic projection on first substrate 10.So as to which strip shaped electric poles 12 can form liquid between corresponding pixel electrode
Brilliant electric capacity, display is not interfered with.Especially when the material of strip shaped electric poles 12 is transparent conductive material, strip shaped electric poles 12 would not
Influence the aperture opening ratio of display panel.
It is further preferred that strip shaped electric poles 12 are formed with block type electrode 11 by a patterning processes.So, it is only necessary to change
Become the mask pattern of touch electrode, without increasing mask quantity, it is not necessary to change thicknesses of layers, and do not interfere with face
The production process of plate.
In order to ensure the touch area of block type electrode 11, the width of strip shaped electric poles 12 is less than or equal to the width of block type electrode 11
Degree.In order to facilitate block type electrode l1 and the structure setting of strip shaped electric poles 12 and simple for production, it is preferable that the width of strip shaped electric poles 12 with
The width of block type electrode 11 is equal, or the width of strip shaped electric poles 12 is the half of the width of block type electrode 11.
In above-described embodiment, strip shaped electric poles are set to be described in detail between block to adjacent two row.It is readily appreciated that
It is that strip shaped electric poles can be provided between adjacent rows block type electrode, can equally reach identical technique effect.
Second embodiment：
Inventive concept based on previous embodiment, the embodiments of the invention provide a kind of display device, the display device bag
Include the touch panel using previous embodiment.
In the description of the embodiment of the present invention, " width " refers to the spy in the direction perpendicular with the bearing of trend of strip shaped electric poles
Levy size.
In the description of the embodiment of the present invention, it is to be understood that the side of the instruction such as term " on ", " under ", " interior ", " outer "
Position or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of the description present invention and simplify description,
Rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and operation, because
This is not considered as limiting the invention.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the embodiment of the present invention
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Although disclosed herein embodiment as above, described content be only readily appreciate the present invention and use
Embodiment, it is not limited to the present invention.Technical staff in any art of the present invention, taken off not departing from the present invention
On the premise of the spirit and scope of dew, any modification and change, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of touch panel, including the first substrate and second substrate being oppositely arranged, are provided with tactile on the first substrate
Touch electrode, it is characterised in that the touch electrode includes the block type electrode in matrix form arrangement, adjacent two row or adjacent rows block
It is provided between shape electrode for reducing strip shaped electric poles of the peripheral circuits to the block type electrode signal interference.
2. touch panel according to claim 1, it is characterised in that the strip shaped electric poles are connected with each other.
3. touch panel according to claim 1, it is characterised in that the strip shaped electric poles are connected with common electric voltage output end
Connect.
4. touch panel according to claim 3, it is characterised in that the strip shaped electric poles on the first substrate just
Projection is positioned at pixel electrode in the orthographic projection on the first substrate.
5. touch panel according to claim 4, it is characterised in that the making material of the strip shaped electric poles is electrically conducting transparent
Material.
6. touch panel according to claim 5, it is characterised in that the strip shaped electric poles pass through one with the block type electrode
Secondary patterning processes are formed.
7. according to the touch panel described in any one in claim 1-6, it is characterised in that the width of the strip shaped electric poles is small
In or equal to the block type electrode width.
8. touch panel according to claim 7, it is characterised in that the width of the strip shaped electric poles is the block type electrode
Width half.
9. touch panel according to claim 7, it is characterised in that the width of the strip shaped electric poles and the block type electrode
Width it is equal.
10. a kind of display device, it is characterised in that including the touch panel described in any one in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711021056.5A CN107728845B (en) | 2017-10-26 | 2017-10-26 | Touch panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711021056.5A CN107728845B (en) | 2017-10-26 | 2017-10-26 | Touch panel and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107728845A true CN107728845A (en) | 2018-02-23 |
| CN107728845B CN107728845B (en) | 2021-03-26 |
Family
ID=61201769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711021056.5A Active CN107728845B (en) | 2017-10-26 | 2017-10-26 | Touch panel and display device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107728845B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508640A (en) * | 2018-03-30 | 2018-09-07 | 京东方科技集团股份有限公司 | A kind of display base plate, display device and wireless charging method |
| CN112328108A (en) * | 2019-08-05 | 2021-02-05 | 鸿富锦精密工业（深圳）有限公司 | Touch module and touch display device |
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| US20110242027A1 (en) * | 2010-04-02 | 2011-10-06 | Arolltech Co., Ltd. | Display with in-cell touch sensor |
| CN104536630A (en) * | 2015-01-21 | 2015-04-22 | 京东方科技集团股份有限公司 | Touch display panel, detection method thereof and display device |
| CN104615322A (en) * | 2015-02-03 | 2015-05-13 | 上海天马微电子有限公司 | Touch structure, substrate, array substrate and display device |
| CN105759525A (en) * | 2016-05-13 | 2016-07-13 | 京东方科技集团股份有限公司 | Array substrate, display panel and display device |
| CN205644478U (en) * | 2016-01-29 | 2016-10-12 | 上海中航光电子有限公司 | Touch control display panel |
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2017
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110242027A1 (en) * | 2010-04-02 | 2011-10-06 | Arolltech Co., Ltd. | Display with in-cell touch sensor |
| CN104536630A (en) * | 2015-01-21 | 2015-04-22 | 京东方科技集团股份有限公司 | Touch display panel, detection method thereof and display device |
| CN104615322A (en) * | 2015-02-03 | 2015-05-13 | 上海天马微电子有限公司 | Touch structure, substrate, array substrate and display device |
| CN205644478U (en) * | 2016-01-29 | 2016-10-12 | 上海中航光电子有限公司 | Touch control display panel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108508640A (en) * | 2018-03-30 | 2018-09-07 | 京东方科技集团股份有限公司 | A kind of display base plate, display device and wireless charging method |
| CN112328108A (en) * | 2019-08-05 | 2021-02-05 | 鸿富锦精密工业（深圳）有限公司 | Touch module and touch display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107728845B (en) | 2021-03-26 |
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