CN203858617U - Array substrate and capacitive embedded touch screen - Google Patents
Array substrate and capacitive embedded touch screen Download PDFInfo
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- CN203858617U CN203858617U CN201420289318.1U CN201420289318U CN203858617U CN 203858617 U CN203858617 U CN 203858617U CN 201420289318 U CN201420289318 U CN 201420289318U CN 203858617 U CN203858617 U CN 203858617U
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Abstract
The utility model provides an array substrate and a capacitive embedded touch screen. The array substrate comprises a signal line layer and a touch electrode layer, the signal line layer comprises a plurality of signal lines arranged in parallel, the touch electrode layer comprises a plurality of touch electrodes arranged in parallel, and the array substrate further comprises electric leads, wherein the electric leads and the signal lines are arranged on the same layer and are made of the same materials. All or part of the touch electrodes are connected with the electric leads in parallel. According to the array substrate and the capacitive embedded touch screen, the electric leads connected with the touch electrodes in parallel are arranged on the array substrate, and therefore signal delay of the touch electrodes can be avoided, the touch performance is improved, and due to the fact that the electric leads and the signal lines of the array substrate are arranged on the same layer and are made of the same materials, the production cost and the yield risk in the production process can be reduced to the greatest extent.
Description
Technical field
The utility model relates to display technique field, relates in particular to a kind of array base palte, the embedded touch-screen of condenser type.
Background technology
Capacitive touch screen is thinner with it, and transmittance is higher, and stability is stronger, supports the advantages such as multi-point touch, becomes the touch-screen of main flow instantly.Wherein, embedded (In-cell) pattern can allow capacitive touch screen thinner, and transmittance is higher.But because touch-control part and the display section of capacitive touch screen often needs timesharing to drive, signal delay (loading) becomes the key factor of restriction touch-control and display performance.
The embedded touch-screen of condenser type comprises touch-control drive electrode layer and the touch-control sensing electrode layer that generally includes insulation setting, touch-control drive electrode layer comprises many touch-control drive electrode TX, touch-control sensing electrode layer comprises many touch-control sensing electrode RX, Rx and Tx are arranged in a crossed manner, generally, Rx and Tx consist of indium tin metal oxide (ITO, Indium Tin Oxides).Because the resistance of ITO own is larger, while adding actual deposition, ITO layer is thinner, so the common impedance of the Rx making with ITO and Tx is all larger, when touch-control part drives with display section timesharing, easily causes signal delay, affects the performance of touch-screen.
Utility model content
In view of this, the utility model provides a kind of array base palte, the embedded touch-screen of condenser type, can improve touch-control performance simultaneously, reduce production costs and production run in yield risk.
For solving the problems of the technologies described above, embodiment of the present utility model provides a kind of array base palte, comprise: signal line layer and touch control electrode layer, described signal line layer comprises many signal wires that be arranged in parallel, described touch control electrode layer comprises many touch-control electrodes that be arranged in parallel; Also comprise:
With the conductor wire that described signal wire arranges with material with layer, all or part of touch-control electrode in described many touch-control electrodes is in parallel with described conductor wire.
Preferably, described conductor wire is in parallel with corresponding described touch-control electrode by least two via holes.
Preferably, described touch control electrode layer is touch-control drive electrode layer or touch-control sensing electrode layer.
Preferably, described touch control electrode layer is touch-control drive electrode layer and the touch-control sensing electrode layer that transposition insulator arranges.
Preferably, described signal line layer is following at least one deck: grid line layer, data line layer.
Preferably, described conductor wire comprise following one of at least: with grid line with layer with material setting and first conductor wire parallel with grid line, with grid line with layer with material setting and second conductor wire vertical with grid line, with data line with layer with material setting and three conductor wire parallel with data line and with same layer of data line with material setting and four conductor wire vertical with data line.
Preferably, described signal line layer is transparency conductive electrode layer, and described transparency conductive electrode layer is common electrode layer or pixel electrode layer.
The utility model also provides a kind of condenser type embedded touch-screen, comprises above-mentioned array base palte.
The beneficial effect of technique scheme of the present utility model is as follows:
The conductor wire in parallel with touch-control electrode is set on array base palte, thereby can avoid the signal delay of touch-control electrode, improve touch-control performance, and the signal wire of conductor wire and array base palte is with layer with material setting, can reduce production costs as far as possible and production run in yield risk.
Accompanying drawing explanation
Fig. 1 is the structural representation of the array base palte of the utility model embodiment mono-;
Fig. 2 is the structural representation of the array base palte of the utility model embodiment bis-;
Fig. 3 is the structural representation of the array base palte of the utility model embodiment tri-;
Fig. 4 is the structural representation of the array base palte of the utility model embodiment tetra-;
Fig. 5 is the structural representation of the array base palte of the utility model embodiment five.
Embodiment
The utility model embodiment provides a kind of array base palte, comprise: signal line layer and touch control electrode layer, wherein, described signal line layer comprises many signal wires that be arranged in parallel, described touch control electrode layer comprises many touch-control electrodes that be arranged in parallel, described touch-control electrode is made by the larger material of ITO constant resistance conventionally, thereby easily causes signal delay, affects touch-control performance.
For fear of signal delay, improve touch-control performance, described array base palte also comprises: with the conductor wire that described signal wire arranges with material with layer, wherein, all or part of and described conductor wire in described many touch-control electrodes is in parallel.
Be understandable that, after touch-control electrode is in parallel with conductor wire, whole impedance meeting reduces, thereby can avoid the signal delay of touch-control electrode, improve touch-control performance, and the signal wire of conductor wire and array base palte with layer with material setting, can reduce production costs as far as possible and production run in yield risk.
Described signal line layer can be at least one deck in grid line layer and data line layer, described grid line layer comprises many grid lines that be arranged in parallel, described data line layer comprises many data lines that be arranged in parallel, described grid line and described data line are arranged in a crossed manner, conductor wire can be with grid line or data line with layer with material setting.
Described signal line layer can also be transparency conductive electrode layer (common electrode layer or pixel electrode layer), transparency conductive electrode layer comprises many transparency conductive electrodes that be arranged in parallel, conductor wire can be with the same layer of transparency conductive electrode with material setting, and transparency conductive electrode is made by ITO material conventionally.
Now, described conductor wire can comprise following one of at least: with grid line with layer with material setting and first conductor wire parallel with grid line, with grid line with layer with material setting and second conductor wire vertical with grid line, with data line with layer with material setting and three conductor wire parallel with data line and with same layer of data line with material setting and four conductor wire vertical with data line.
In the utility model embodiment, for many touch-control electrodes on touch control electrode layer, can be whole touch-control electrode configuration conductor wire in parallel with it, wherein, can be a conductor wire that touch-control electrode configuration one or more is in parallel with it.
When signal wire is during for the grid line made by opaque metal or data line, conductor wire is also to be made by opaque metal, in order not affect the aperture opening ratio of display panel, can suitably reduce the radical of conductor wire, to many touch-control electrodes on touch control electrode layer, can be the part touch-control electrode configuration conductor wire in parallel with it, part touch-control electrode configure.Wherein, for the touch-control electrode that need to configure conductor wire, can be a conductor wire that touch-control electrode configuration one or more is in parallel with it, certainly, in order further to improve the aperture opening ratio of display panel, it can be only its conductor wire in parallel of a touch-control electrode configuration.
In addition, can also be by reducing the mode of the live width of conductor wire, improve the aperture opening ratio of display panel, but need to guarantee to reduce the impedance of touch-control electrode after in parallel with conductor wire simultaneously as far as possible.
Preferably, described conductor wire can be in parallel with corresponding described touch-control electrode by least two via holes.
Touch control electrode layer described in can only comprising one on array base palte in the utility model embodiment, described touch control electrode layer can be touch-control drive electrode layer or touch-control sensing electrode layer.
On array base palte in the utility model embodiment, also can comprise the described touch control electrode layer that two insulation arrange, wherein, described in one, touch control electrode layer is touch-control drive electrode layer, and described in another, touch control electrode layer is touch-control sensing electrode layer.
Wherein, touch-control drive electrode layer comprises many touch-control drive electrodes (TX) that be arranged in parallel, and touch-control sensing electrode layer comprises many touch-control sensing electrodes (RX) that be arranged in parallel, and touch-control drive electrode and touch-control sensing electrode crossing arrange.
The principle of work of touch-control drive electrode and touch-control sensing electrode is as follows: when touch-control drive electrode is loaded to touch scanning signals, detect the touch-control sensing signal that touch-control sensing electrode is coupled out by inductance capacitance, in this process, while having human body contact touch-screen, people's bulk electric field will act on inductance capacitance, and the capacitance of inductance capacitance is changed, and then changes the touch-control sensing signal that touch-control sensing electrode coupling goes out, according to the variation of touch-control sensing signal, just can determine contact position.
For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Embodiment mono-
Please refer to Fig. 1, Fig. 1 is the structural representation of the array base palte of the utility model embodiment mono-.
This array base palte comprises: the grid line layer that comprises many grid lines that be arranged in parallel 101, the touch-control drive electrode layer that comprises the data line layer of many data lines that be arranged in parallel 102 and comprise many touch-control drive electrodes 103 that be arranged in parallel, wherein, grid line 101 and data line 102 square crossing settings, touch-control drive electrode 103 is parallel with grid line 101.
Signal delay for fear of described touch-control drive electrode 103, described array base palte also comprises: with first conductor wire 104 of the same layer of grid line 101 with material setting, described the first conductor wire 104 be arranged in parallel with grid line 101, also be arranged in parallel with touch-control drive electrode 103.
As can be seen from the figure, to be all formed with 104, one touch-control drive electrodes 103 of the first conductor wire in parallel with two the first conductor wires 104 for the side of each grid line 101.In the present embodiment, all touch-control drive electrode 103 all disposes the first conductor wire 104 in parallel.
Embodiment bis-
When grid line 101 is made by opaque metal, the first conductor wire 104 is also to be made by opaque metal, in order not affect the aperture opening ratio of display panel, can suitably reduce the radical of the first conductor wire 104, please refer to Fig. 2, Fig. 2 is the structural representation of the array base palte of the utility model embodiment bis-, and this embodiment compares with embodiment mono-, difference is, first conductor wire 104 in parallel with it of touch-control drive electrode 103 configurations.
Embodiment tri-
Please refer to Fig. 3, Fig. 3 is the structural representation of the array base palte of the utility model embodiment tri-.
This array base palte comprises: the grid line layer that comprises many grid lines that be arranged in parallel 101, the touch-control drive electrode layer that comprises the data line layer of many data lines that be arranged in parallel 102 and comprise many touch-control drive electrodes 103 that be arranged in parallel, wherein, grid line 101 and data line 102 square crossing settings, touch-control drive electrode 103 is parallel with grid line 101, vertical with data line 102.
Signal delay for fear of described touch-control drive electrode 103, described array base palte also comprises: with three conductor wire 106 of the same layer of data line 102 with material setting, described the 3rd conductor wire 106 be arranged in parallel with data line 102, i.e. setting vertical with touch-control drive electrode 103.
As can be seen from the figure, for fear of different touch-control drive electrode 103, connect, the 3rd conductor wire 106 between the different touch-control drive electrodes 103 of same data line 102 1 sides does not connect.In the present embodiment, all touch-control drive electrode 103 all disposes many three conductor wires 106 in parallel with it.
Embodiment tetra-
Please refer to Fig. 4, Fig. 4 is the structural representation of the array base palte of the utility model embodiment tetra-.
This array base palte comprises: the grid line layer that comprises many grid lines that be arranged in parallel 101, the touch-control drive electrode layer that comprises the data line layer of many data lines that be arranged in parallel 102 and comprise many touch-control drive electrodes 103 that be arranged in parallel, wherein, grid line 101 and data line 102 square crossing settings, touch-control drive electrode 103 is parallel with grid line 101, vertical with data line 102.
For fear of the signal delay of described touch-control drive electrode 103, described array base palte also comprises:
With grid line 101 with layer with material setting and first conductor wire 104 parallel with grid line 101, and with data line 102 with layer with material setting and three conductor wire 106 parallel with data line 102.
Wherein, described the first conductor wire 104 be arranged in parallel with grid line 101, also be arranged in parallel with touch-control drive electrode 103.Described the 3rd conductor wire 106 be arranged in parallel with data line 102, i.e. setting vertical with touch-control drive electrode 103.
In the various embodiments described above, touch-control drive electrode 103 be arranged in parallel with grid line 101, setting vertical with data line 102, and touch-control drive electrode 103 also can be arranged in parallel with data line 102 certainly, describes for example below.
Embodiment five
Please refer to Fig. 5, Fig. 5 is the structural representation of the array base palte of the utility model embodiment five.
This array base palte comprises: the grid line layer that comprises many grid lines that be arranged in parallel 101, the touch-control drive electrode layer that comprises the data line layer of many data lines that be arranged in parallel 102 and comprise many touch-control drive electrodes 103 that be arranged in parallel, wherein, grid line 101 and data line 102 square crossing settings, touch-control drive electrode 103 is parallel with data line 102.
Signal delay for fear of described touch-control drive electrode 103, described array base palte also comprises: with three conductor wire 106 of the same layer of data line 102 with material setting, described the 3rd conductor wire 106 be arranged in parallel with data line 102, also be arranged in parallel with touch-control drive electrode 103.
As can be seen from the figure, the side of each data line 102 is all formed with the 3rd conductor wire 106.In the present embodiment, a touch-control drive electrode 103 is in parallel with three the 3rd conductor wires 106.In the present embodiment, all touch-control drive electrode 103 all disposes the 3rd conductor wire 106 in parallel.
In addition, when touch-control drive electrode 103 and data line 102 be arranged in parallel, the array base palte of the utility model embodiment can also comprise: with grid line 101 with layer with the first conductor wire material setting and that be arranged in parallel with grid line 101, or with material, arrange with layer with grid line 101 and with vertically disposed the second conductor wire of grid line 101, at this, be not described in detail.
In the various embodiments described above, touch-control drive electrode 103 is all in parallel by via hole 105 with conductor wire.
In above-described embodiment one to embodiment five, touch-control drive electrode 103 is arranged on array base palte, and touch-control sensing electrode can be arranged on array base palte, also can be arranged on color membrane substrates.
In above-described embodiment one to embodiment five, all to be the touch-control drive electrode 103 configuration conductor wire in parallel with it, in other embodiment of the present utility model, when touch-control sensing electrode is arranged on array base palte, also can be the touch-control sensing electrode configuration conductor wire in parallel with it, now, touch-control drive electrode can be arranged on array base palte, also can be arranged on color membrane substrates.
In addition, when touch-control drive electrode and touch-control sensing electrode are all arranged on array base palte, also can be simultaneously for touch-control drive electrode and touch-control sensing electrode configure conductor wire in parallel.For example, on grid line layer, configuration and the conductor wire of the same layer of grid line with material setting, in parallel with touch-control drive electrode, and in data line layer, configuration and the conductor wire of the same layer of data line with material setting, in parallel with touch-control sensing electrode.
In above-described embodiment one to embodiment five, conductor wire at grid line layer all be arranged in parallel with grid line, conductor wire and data line in data line layer be arranged in parallel, certainly, in other embodiment of the present utility model, conductor wire in grid line layer or data line layer also can vertically with the signal wire of this layer arrange (not being connected with signal wire), that is, array base palte can also comprise: with grid line with layer with material setting and second conductor wire vertical with grid line and/or with data line with layer with material setting and four conductor wire vertical with data line.
In above-described embodiment one to embodiment five, with the signal wire of layer, all take grid line or data line with conductor wire and describe as example, certainly, in other embodiment of the present utility model, with conductor wire with the signal wire of layer, can be also transparency conductive electrode.
The utility model embodiment also provides a kind of condenser type embedded touch-screen, comprises the array base palte described in above-mentioned arbitrary embodiment.
Corresponding to above-mentioned array base palte, the utility model embodiment also provides a kind of preparation method of array base palte, comprising:
Step 1: form the step of touch control electrode layer, described touch control electrode layer comprises many touch-control electrodes that be arranged in parallel;
Step 2: form the step of conductor wire, wherein, the signal wire on the signal line layer of described conductor wire and described array base palte forms with material with layer, and all or part of touch-control electrode in described many touch-control electrodes is in parallel with described conductor wire.
Described signal line layer can be at least one deck in grid line layer and data line layer, described grid line layer comprises many grid lines that be arranged in parallel, described data line layer comprises many data lines that be arranged in parallel, described grid line and described data line are arranged in a crossed manner, conductor wire can be with grid line or data line with layer with material setting.
Now, described conductor wire can comprise following one of at least: with grid line with layer with material setting and first conductor wire parallel with grid line, with grid line with layer with material setting and second conductor wire vertical with grid line, with data line with layer with material setting and three conductor wire parallel with data line and with same layer of data line with material setting and four conductor wire vertical with data line.
Described signal line layer can also be transparency conductive electrode layer (common electrode layer or pixel electrode layer), transparency conductive electrode layer comprises many transparency conductive electrodes that be arranged in parallel, conductor wire can be with the same layer of transparency conductive electrode with material setting, and transparency conductive electrode is made by ITO material conventionally.
Preferably, described method also comprises: form the step of via hole, described via hole is for connecting described conductor wire and the described touch-control electrode in parallel with it.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. an array base palte, comprising: signal line layer and touch control electrode layer, and described signal line layer comprises many signal wires that be arranged in parallel, described touch control electrode layer comprises many touch-control electrodes that be arranged in parallel; It is characterized in that, also comprise:
With the conductor wire that described signal wire arranges with material with layer, all or part of touch-control electrode in described many touch-control electrodes is in parallel with described conductor wire.
2. array base palte according to claim 1, is characterized in that, described conductor wire is in parallel with corresponding described touch-control electrode by least two via holes.
3. array base palte according to claim 1, is characterized in that, described touch control electrode layer is touch-control drive electrode layer or touch-control sensing electrode layer.
4. array base palte according to claim 1, is characterized in that, described touch control electrode layer is touch-control drive electrode layer and the touch-control sensing electrode layer that transposition insulator arranges.
5. according to the array base palte described in claim 1 to 4 any one, it is characterized in that, described signal line layer is following at least one deck: grid line layer, data line layer.
6. array base palte according to claim 1, it is characterized in that, described conductor wire comprise following one of at least: with grid line with layer with material setting and first conductor wire parallel with grid line, with grid line with layer with material setting and second conductor wire vertical with grid line, with data line with layer with material setting and three conductor wire parallel with data line and with same layer of data line with material setting and four conductor wire vertical with data line.
7. according to the array base palte described in claim 1 to 4 any one, it is characterized in that, described signal line layer is transparency conductive electrode layer, and described transparency conductive electrode layer is common electrode layer or pixel electrode layer.
8. the embedded touch-screen of condenser type, is characterized in that, comprises the array base palte as described in claim 1 to 7 any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420289318.1U CN203858617U (en) | 2014-05-30 | 2014-05-30 | Array substrate and capacitive embedded touch screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420289318.1U CN203858617U (en) | 2014-05-30 | 2014-05-30 | Array substrate and capacitive embedded touch screen |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015180345A1 (en) * | 2014-05-30 | 2015-12-03 | 京东方科技集团股份有限公司 | Array substrate and preparation method therefor, and capacitive embedded touchscreen |
| WO2016155354A1 (en) * | 2015-03-30 | 2016-10-06 | Boe Technology Group Co., Ltd. | Oled touch-control substrate and fabrication method thereof, and display apparatus |
| CN108536324A (en) * | 2017-03-03 | 2018-09-14 | 京东方科技集团股份有限公司 | Array substrate and preparation method thereof, display device |
-
2014
- 2014-05-30 CN CN201420289318.1U patent/CN203858617U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015180345A1 (en) * | 2014-05-30 | 2015-12-03 | 京东方科技集团股份有限公司 | Array substrate and preparation method therefor, and capacitive embedded touchscreen |
| WO2016155354A1 (en) * | 2015-03-30 | 2016-10-06 | Boe Technology Group Co., Ltd. | Oled touch-control substrate and fabrication method thereof, and display apparatus |
| US10263051B2 (en) | 2015-03-30 | 2019-04-16 | Boe Technology Group Co., Ltd. | OLED touch-control substrate and fabrication method thereof, and display apparatus |
| CN108536324A (en) * | 2017-03-03 | 2018-09-14 | 京东方科技集团股份有限公司 | Array substrate and preparation method thereof, display device |
| CN108536324B (en) * | 2017-03-03 | 2020-07-17 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method thereof and display device |
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