CN106526938A - Anti-crosstalk structure of touch display screen and touch display screen - Google Patents
Anti-crosstalk structure of touch display screen and touch display screen Download PDFInfo
- Publication number
- CN106526938A CN106526938A CN201611253495.4A CN201611253495A CN106526938A CN 106526938 A CN106526938 A CN 106526938A CN 201611253495 A CN201611253495 A CN 201611253495A CN 106526938 A CN106526938 A CN 106526938A
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- CN
- China
- Prior art keywords
- touch
- touch screen
- illusory
- cabling pattern
- control unit
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention provides an anti-crosstalk structure of a touch display screen. The anti-crosstalk structure comprises a liquid crystal panel and touch units arranged in the liquid crystal panel in the shape of a matrix; dummy touch screen wire patterns of which the positions correspond to those of the touch units are arranged in gaps formed in one side of each column of touch units, common electrodes of the touch units are connected with a touch chip through touch screen wires, and each dummy touch screen wire pattern is connected with the common electrode of the touch unit adjacent to the dummy touch screen wire pattern through a pixel electrode of the liquid crystal panel. Compared with the prior art, by connecting each dummy touch screen wire pattern with the common electrode of the touch unit adjacent to the dummy touch screen wire pattern through the corresponding pixel electrode of the liquid crystal panel, the signal crosstalk problem of the dummy touch screen wire pattern on the other touch units during work of the touch screen can be reduced while it is guaranteed that the touch screen can normally work, and meanwhile the electric field uniformity of the whole panel is guaranteed.
Description
Technical field
The present invention relates to a kind of liquid crystal panel, particularly a kind of touch display screen anti-crosstalk structure based on self-capacitance and
Touch display screen.
Background technology
At present, low temperature polycrystalline silicon (LTPS) is with its high mobility, good charging ability and receive much concern, but its technique is multiple
Miscellaneous, processing procedure control is extremely strict.In recent years, also increasingly set based on the In cell TP (mixing embedded touch) of LTPS
The concern of meter persons, wherein, (Dummy TP are walked to arrange illusory touch screen cabling pattern between Sensor Pad (touch control unit)
Line) there iss important, reduction while rational Dummy TP cablings can ensure that TP functions to its touch screen (TP) function
The interference of signal between adjacent touch unit, therefore, optimizing simple Dummy TP cablings becomes what designers pursued always
Target.
At present, in existing technique, TP cablings typically using metal level as metal routing, by Dummy TP cablings with
First adjacent Sensor Pad of right side is connected, and when TP is acted on, the Dummy TP cablings connect Vcom current potentials, to beside which
Sensor Pad play certain anti-crosstalk signal function.
The content of the invention
For overcoming the deficiencies in the prior art, the present invention to provide a kind of touch display screen anti-crosstalk structure and touch display screen,
The field uniformity between touch control unit is ensure that while the signal cross-talk between adjacent two touch control units for arranging is prevented.
The invention provides a kind of touch display screen anti-crosstalk structure, is arranged in liquid crystal including liquid crystal panel, in rectangular
Touch control unit in panel, the gap of the touch control unit side of each column are respectively equipped with corresponding with touch control unit position illusory
Touch screen cabling pattern, the public electrode Jing touch screen cablings of the touch control unit are connected with touch chip, each illusory touch
Screen cabling pattern is connected with the public electrode of an adjacent touch control unit by the pixel electrode of liquid crystal panel.
Further, each illusory touch screen cabling pattern is by the illusory touch screen cabling pattern correspondence position
The public electrode of pixel electrode and an adjacent touch control unit connect.
Further, each illusory touch screen cabling pattern is divided into trisection, respectively illusory touch screen cabling pattern
The latter end of leading portion, the stage casing of illusory touch screen cabling pattern and illusory touch screen cabling pattern, the illusory touch screen cabling
The latter end of the leading portion of pattern, the stage casing of illusory touch screen cabling pattern and illusory touch screen cabling pattern is respectively by correspondence position
The pixel electrode put is connected with the public electrode of the leading portion, stage casing and latter end of an adjacent touch control unit, forms E fonts knot
Structure.
Further, the public electrode connection of each illusory touch screen cabling pattern touch control unit adjacent with right side.
Further, the illusory touch screen cabling pattern is between the passivation layer and the first insulating barrier 6 of touch control unit.
Further, the leading portion of illusory touch screen cabling pattern, illusory touch screen cabling pattern is located on the passivation layer
Stage casing and the end section of illusory touch screen cabling pattern be respectively equipped with first extended at illusory touch screen cabling pattern
Via, the passivation layer and the first insulating barrier are provided with the public electrode for extending to neighbouring illusory touch screen cabling pattern the
Two vias, the illusory touch screen cabling pattern are connected with public electrode by the first vias of pixel electrode Jing, the second via.
Present invention also offers a kind of touch display screen, also including described touch display screen anti-crosstalk structure.
The present invention compared with prior art, by by the public affairs of illusory touch screen cabling pattern and an adjacent touch control unit
Common electrode is connected by the pixel electrode of liquid crystal panel, ensure touch screen can normal work while, can reduce tactile
Touch screen work when illusory touch screen cabling pattern to the signal cross-talk problem between other touch control units, while also ensure volume it is whole
The field homogeneity of panel.
Description of the drawings
Fig. 1 is the plane figure of the present invention.
Fig. 2 is the partial enlarged drawing of we's invention.
Fig. 3 is the sectional view of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is described in further detail.
As shown in Figure 1, Figure 2 and Figure 3, a kind of touch display screen anti-crosstalk structure of the invention, including liquid crystal panel, in square
Formation is arranged in the touch control unit 1 in liquid crystal panel, and the gap of 1 side of touch control unit of each column is respectively equipped with and touch control unit
The corresponding illusory touch screen cabling pattern 2 in 1 position, 4 Jing touch screens cabling of public electrode and the touch-control core of the touch control unit 1
Piece connects, and each illusory touch screen cabling pattern 2 passes through the pixel electrode 3 of liquid crystal panel and the public affairs of an adjacent touch control unit 1
Common electrode 4 connects.Specifically：Each illusory touch screen cabling pattern 2 is by positioned at illusory 2 correspondence of touch screen cabling pattern
Pixel electrode 3 on position is connected with the public electrode 4 of an adjacent touch control unit 1, each illusory touch screen cabling pattern 2
Correspondence one touch control unit 1 of connection.
In the present invention, it is trisection by 2 points of each illusory touch screen cabling pattern, respectively illusory touch screen cabling pattern
The latter end of 2 leading portion, the stage casing of illusory touch screen cabling pattern 2 and illusory touch screen cabling pattern 2, the illusory touch screen
The latter end of the leading portion of cabling pattern 2, the stage casing of illusory touch screen cabling pattern 2 and illusory touch screen cabling pattern 2 leads to respectively
The pixel electrode 3 crossed on correspondence position is connected with the public electrode 4 of the leading portion, stage casing and latter end of an adjacent touch control unit 1,
Form E character form structures (shown in Fig. 2).
Preferably, the connection of each illusory touch screen cabling pattern 1 touch control unit 1 adjacent with right side, now first row
Illusory touch screen cabling pattern 1 arrange and liquid crystal panel on the left of AA area edges and the space between non-display area, remaining is all provided with
Put the gap between two row touch control units 1.
As shown in figure 3, passivation layer 5 and first insulating barrier 6 of the illusory touch screen cabling pattern 2 located at touch control unit 1
Between；Positioned at the leading portion of illusory touch screen cabling pattern 2, the stage casing of illusory touch screen cabling pattern 2 and illusory on passivation layer 5
The end section of touch screen cabling pattern 2 is respectively equipped with the first via 7 extended at illusory touch screen cabling pattern 2, described blunt
Change layer 5 and the first insulating barrier 6 is provided with the second via at the public electrode 4 for extending to neighbouring illusory touch screen cabling pattern 2
8, the illusory touch screen cabling pattern 2 is connected with public electrode 4 by 3 Jing the first vias 7 of pixel electrode, the second via 8..
It is attachment structure between illusory touch screen cabling pattern 2 and touch control unit 1 at improvement in the present invention, remainder is not
It is improved, as shown in figure 3, the conventional structure of the LTPS TFT substrates for existing liquid crystal panel, including a-si substrates 9, sets
In the semiconductor layer 10 on substrate 9, gate insulator 11, the grid 12 on gate insulator 11 and the second insulating barrier
13rd, on the second insulating barrier 13 source electrode 14 and drain electrode 15 and organic photoresistance film layer 16, in organic photoresistance film layer 16
Public electrode 4 and the first insulating barrier 6, the passivation layer 5 on the first insulating barrier 6, the pixel electrode on passivation layer 5
3。
A kind of touch display screen of the present invention, also including described touch display screen anti-crosstalk structure.
Although illustrating and describing the present invention with reference to specific embodiment, it should be appreciated by those skilled in the art that：
In the case of without departing from the spirit and scope of the present invention limited by claim and its equivalent, can here carry out form and
Various change in details.
Claims (7)
1. a kind of touch display screen anti-crosstalk structure, the touch-control list being arranged in including liquid crystal panel, in rectangular in liquid crystal panel
First (1), the gap of touch control unit (1) side of each column is respectively equipped with the illusory touch corresponding with touch control unit (1) position
Screen cabling pattern (2), public electrode (4) the Jing touch screen cablings of touch control unit (1) are connected with touch chip, and its feature exists
In：Each illusory touch screen cabling pattern (2) are by the pixel electrode (3) of liquid crystal panel and an adjacent touch control unit (1)
Public electrode (4) connects.
2. touch display screen anti-crosstalk structure according to claim 1, it is characterised in that：Each illusory touch screen trace-diagram
Case (2) is by the pixel electrode (3) and an adjacent touch control unit on illusory touch screen cabling pattern (2) correspondence position
(1) public electrode (4) connection.
3. touch display screen anti-crosstalk structure according to claim 2, it is characterised in that：Each illusory touch screen trace-diagram
Case (2) is divided into trisection, the leading portion of respectively illusory touch screen cabling pattern (2), the stage casing of illusory touch screen cabling pattern (2)
And the latter end of illusory touch screen cabling pattern (2), the leading portion of illusory touch screen cabling pattern (2), illusory touch screen are walked
The latter end of the stage casing of line pattern (2) and illusory touch screen cabling pattern (2) is respectively by the pixel electrode (3) on correspondence position
Connect with the public electrode (4) of the leading portion, stage casing and latter end of an adjacent touch control unit (1), form E character form structures.
4. touch display screen anti-crosstalk structure according to claim 3, it is characterised in that：Each illusory touch screen trace-diagram
Public electrode (4) connection of case (1) touch control unit (1) adjacent with right side.
5. touch display screen anti-crosstalk structure according to claim 4, it is characterised in that：The illusory touch screen trace-diagram
Case (2) is between the passivation layer (5) and the first insulating barrier (6) of touch control unit (1).
6. touch display screen anti-crosstalk structure according to claim 5, it is characterised in that：It is located on passivation layer (5)
The leading portion of illusory touch screen cabling pattern (2), the stage casing of illusory touch screen cabling pattern 2 and illusory touch screen cabling pattern
(2) end section is respectively equipped with the first via (7) for extending to illusory touch screen cabling pattern (2) place, passivation layer (5) with
First insulating barrier (6) is provided with second via at public electrode (4) place for extending to neighbouring illusory touch screen cabling pattern (2)
(8), described illusory touch screen cabling pattern (2) pass through the first vias of pixel electrode (3) Jing (7), the second via (8) and common electrical
Pole (4) connects.
7. a kind of touch display screen, it is characterised in that：Also include the touch display screen as described in claim 1 to 6 any one
Anti-crosstalk structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611253495.4A CN106526938A (en) | 2016-12-30 | 2016-12-30 | Anti-crosstalk structure of touch display screen and touch display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611253495.4A CN106526938A (en) | 2016-12-30 | 2016-12-30 | Anti-crosstalk structure of touch display screen and touch display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106526938A true CN106526938A (en) | 2017-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611253495.4A Pending CN106526938A (en) | 2016-12-30 | 2016-12-30 | Anti-crosstalk structure of touch display screen and touch display screen |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104699351A (en) * | 2015-04-01 | 2015-06-10 | 上海天马微电子有限公司 | Array substrate, touch display panel and touch display device |
| CN105093607A (en) * | 2015-05-08 | 2015-11-25 | 上海天马微电子有限公司 | Array substrate, touch display panel and touch display device |
| CN105353550A (en) * | 2015-12-03 | 2016-02-24 | 武汉华星光电技术有限公司 | Liquid crystal display device |
| CN105808014A (en) * | 2016-05-19 | 2016-07-27 | 京东方科技集团股份有限公司 | Array substrate and manufacturing method thereof as well as touch display device |
| US20160216544A1 (en) * | 2014-08-26 | 2016-07-28 | Lg Display Co., Ltd. | In-cell touch type liquid crystal display device |
-
2016
- 2016-12-30 CN CN201611253495.4A patent/CN106526938A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160216544A1 (en) * | 2014-08-26 | 2016-07-28 | Lg Display Co., Ltd. | In-cell touch type liquid crystal display device |
| CN104699351A (en) * | 2015-04-01 | 2015-06-10 | 上海天马微电子有限公司 | Array substrate, touch display panel and touch display device |
| CN105093607A (en) * | 2015-05-08 | 2015-11-25 | 上海天马微电子有限公司 | Array substrate, touch display panel and touch display device |
| CN105353550A (en) * | 2015-12-03 | 2016-02-24 | 武汉华星光电技术有限公司 | Liquid crystal display device |
| CN105808014A (en) * | 2016-05-19 | 2016-07-27 | 京东方科技集团股份有限公司 | Array substrate and manufacturing method thereof as well as touch display device |
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Application publication date: 20170322 |
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