CN105242800A - Touch display panel as well as manufacturing method and driving method therefor - Google Patents
Touch display panel as well as manufacturing method and driving method therefor Download PDFInfo
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- CN105242800A CN105242800A CN201410301203.4A CN201410301203A CN105242800A CN 105242800 A CN105242800 A CN 105242800A CN 201410301203 A CN201410301203 A CN 201410301203A CN 105242800 A CN105242800 A CN 105242800A
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- electrode
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- layer
- display panel
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 239000000758 substrate Substances 0.000 claims abstract description 49
- 230000004888 barrier function Effects 0.000 claims description 12
- 238000001914 filtration Methods 0.000 abstract 3
- 239000000463 material Substances 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
Abstract
The invention relates to the technical field of panel display, in particular to a touch display panel as well as a manufacturing method and a driving method therefor. The touch display panel at least comprises a substrate, a first electrode layer, a light filtration layer and a second electrode layer, wherein the first electrode layer is formed between the substrate and the light filtration layer; the second electrode layer is formed on one side, different from the first electrode layer, of the light filtration layer; and the second electrode layer is used for transmitting a touch signal or a public electrode signal within different time periods. In addition, the invention furthermore discloses the manufacturing method and the driving method for the touch display panel necessarily.
Description
Technical field
The present invention relates to technical field of flat panel display, particularly relate to a kind of touch-control display panel and preparation method thereof, driving method.
Background technology
In consumption electronic products market now, collect touch controllable function has become electronic product mainstream development trend in display.Touch-control display panel provides the hommization operation interface between user and electronic product, user can directly carry out operation by the icon that its screen shows and assign instruction, and it has the advantages such as simple to operate, friendly interface, convenient and swift and good Consumer's Experience.
At present, common touch control display apparatus generally includes contact panel and display panel, integration touch screen (OGS, oneglasssolution) be a kind of common contact panel, in the contact panel of OGS pattern, the first electrode tandem wherein and the second electrode tandem are arranged on the same surface of cover-plate glass simultaneously, at the overlapping place of the first electrode tandem and the second electrode tandem, its live width relative to the first electrode unit or the second electrode unit narrower, therefore the difficulty of electrode fabrication is increased, and arranging of collets needs increase patterning processes, moreover due to the existence of collets, the bridging structure of the position being positioned at collets is made easily to produce the possibility of broken string, therefore, the contact panel of OGS pattern is unfavorable for the raising of contact panel yields.
GGSITO/DITO is another common contact panel, wherein, touch control electrode is formed in the same surface or opposing two of one piece of substrate on the surface, and in the contact panel of this pattern, add two pieces of glass substrates, add a display panel, the integral thickness of its touch-control display product is thicker, is therefore unfavorable for the lightening of contact panel.
Therefore, how producing one and be both conducive to improving yields, be conducive to again lightening touch-control display panel, is the large problem that industry is badly in need of solving.
Summary of the invention
In view of this, the invention provides one and be both conducive to improving yields, be conducive to again lightening touch-control display panel.
In addition, there is a need to method for making and driving method that a kind of above-mentioned touch-control display panel is provided.
Described touch-control display panel provided by the invention, it at least comprises a substrate, the first electrode layer, a filter layer and the second electrode lay, described first electrode layer is formed between described substrate and described filter layer, described the second electrode lay is formed at the side described filter layer differing from described first electrode layer, and described the second electrode lay is used in different time sections, transmit touching signals or common electrode signal.
In described touch-control display panel provided by the invention, the described time period is divided into touch-control time period and displaying time section, and in the touch-control time period, described the second electrode lay is for transmitting touching signals, and in displaying time section, described second electrode is for transmitting common electrode signal.
In described touch-control display panel provided by the invention, described substrate at least has the first surface relative to described filter layer, and described first electrode layer is formed at described first surface.
In described touch-control display panel provided by the invention, described touch-control display panel also comprises a layer of polarizer, described polaroid is formed between described substrate and described filter layer, described first electrode layer is formed on described polaroid, or described filter layer has the second surface relative to described substrate, described first electrode layer is formed on described second surface.
In described touch-control display panel provided by the invention, described polaroid has the 3rd the 4th surface that is surperficial and described filter layer dorsad relative to described filter layer, and described first electrode layer is formed at described 3rd surface or the 4th surface.
In described touch-control display panel provided by the invention, described filter layer also comprises a barrier bed, the projection of described the second electrode lay on described filter layer cover by the projection of described barrier bed on described filter layer.
In described touch-control display panel provided by the invention, described first electrode and/or the second electrode are conductive grid structure.
In described touch-control display panel method for making provided by the invention, its substrate at least comprising the steps: to provide one to be oppositely arranged and filter layer; One first electrode layer is formed between described substrate and described filter layer; The side that described filter layer differs from described first electrode layer forms a second electrode lay, and described the second electrode lay is used for being applied to touching signals in the touch-control time period, is applied to common electrode signal in displaying time section.
In described touch-control display panel method for making provided by the invention, described touch-control display panel also comprises a layer of polarizer, described polaroid is formed between described substrate and described filter layer, described first electrode layer is formed at the side of described substrate relative to described filter layer, or described first electrode layer is formed on described polaroid.
In described touch-control display panel method for making provided by the invention, described filter layer is also formed with a barrier bed, the projection of described the second electrode lay on described filter layer cover by the projection of described barrier bed on described filter layer.
In described touch-control display panel driving method provided by the invention, described contact panel at least comprises a substrate, the first electrode layer, a filter layer and the second electrode lay, described first electrode layer is formed between described substrate and described filter layer, and described the second electrode lay is formed at the side described filter layer differing from described first electrode layer; Described contact panel driving method comprises, and described the second electrode lay is applied to touching signals in the touch-control time period, is applied to common electrode signal in displaying time section.
In described touch-control display panel provided by the invention and preparation method thereof, due in the touch-control display panel of present embodiment, due to the first electrode layer is formed on substrate, second electrode is formed on filter layer, and described the second electrode lay is at touch-control time period transmission touching signals, in displaying time section transmission common electrode signal, described the second electrode lay realizes the function of touch-control and display simultaneously, therefore, without the need to additional configuration one contact panel, the lightening of touch-control display panel is namely conducive to; In addition, described first electrode layer and the second electrode lay are arranged on different substrates, the electrode wires caused when being produced on same substrate by two electrode layers can be avoided wider than narrow, and to problems such as the damages of front and continued electrode layer during making subsequent electrode layer, therefore, touch-control display panel provided by the invention has taken into account lightening feature while being conducive to improving yields.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the touch-control display panel 100 of a preferred embodiment provided by the invention;
Fig. 2 is the schematic flow sheet of the method for making of the touch-control display panel 100 shown in Fig. 1;
Fig. 3 is the waveform schematic diagram of the driving method of touch-control display panel 100 shown in Fig. 1;
Fig. 4 is the structural representation of the touch-control display panel 200 of another better embodiment provided by the invention.
Embodiment
For touch-control display panel provided by the invention and preparation method thereof is described, be described in detail below in conjunction with Figure of description and explanatory note.
Please refer to Fig. 1, is the structural representation of the touch-control display panel 100 of a better embodiment provided by the invention.Described touch-control display panel 100 comprises substrate 101, first electrode layer 102, filter layer 103 and the second electrode lay 104.
Described substrate 101 at least comprises a first surface 101a, described first surface 101a is positioned at the one side relative to described filter layer 103, described first surface 101a is smooth plane, and in other embodiments, first surface also can be curved surface or irregular plane.The material making described substrate 101 is glass or flexible insulating material.
Described first electrode layer 102 is formed on described first surface 101a, and it is between described substrate 101 and described filter layer 103; Described the second electrode lay 104 be formed at described filter layer 103 differ from (back on) side of described first electrode layer 102.In present embodiment, described first electrode layer 102 is made up of transparent conductive material such as indium tin oxide target; Described the second electrode lay 104 is made up of metal material, and preferably, described the second electrode lay 104 is made up of metallic mesh material.Described first electrode layer 102 and the second electrode lay 104 layering are arranged, the electrode wires caused when being produced on one piece of substrate by two electrode layers can be avoided wider than narrow, and to problems such as the damages of front and continued electrode layer during making subsequent electrode layer; Be metal grill by the material configuration of the second electrode lay 104, be conducive to reducing touch-control impedance, and improve display frame switching rate.In other embodiments, described first electrode layer and the second electrode can be made by transparent conductive material or by conductive grid material.
In another embodiment, described filter layer has the second surface (not shown) relative to described substrate, and described first electrode layer can also be formed on described second surface.Now described substrate is equivalent to a cover plate, and it is combined with the second surface of described filter layer and arranges.
Described filter layer 103 also comprises a barrier bed (not shown), the projection of described the second electrode lay 104 on described filter layer 103 cover by the projection of described barrier bed on described filter layer 103, namely described the second electrode lay 104 is overlapping in the direction in which with described light shield layer on the direction perpendicular to described first surface 101a.This structure is conducive to the aperture opening ratio reducing described touch-control display panel 100 while reducing touch-control impedance.
As shown in Figure 2, it is the schematic flow sheet of the method for making of the touch-control display panel 100 shown in Fig. 1.Described method for making at least comprises the following steps:
Step S01: the substrate providing to be oppositely arranged and filter layer;
Described substrate at least comprises a first surface, and described first surface is positioned at the one side relative to described filter layer, and described first surface is smooth plane, and in other embodiments, first surface also can be curved surface or irregular plane.The material making described substrate is glass or flexible insulating material.
Step S02: form one first electrode layer between described substrate and described filter layer;
Described first electrode layer is formed on described first surface, and it is between described substrate and described filter layer, and in present embodiment, described first electrode layer is made up of transparent conductive material such as indium tin oxide target.
Step S03: the side differing from described first electrode layer on described filter layer forms a second electrode lay, described the second electrode lay is used in different time sections, transmit touching signals or common electrode signal.
Concrete, the described time period is divided into touch-control time period and displaying time section, and in the touch-control time period, described the second electrode lay is for transmitting touching signals, and in displaying time section, described second electrode is for transmitting common electrode signal.Described first electrode layer and the second electrode lay layering are arranged, the electrode wires caused when being produced on one piece of substrate by two electrode layers can be avoided wider than narrow, and to problems such as the damages of front and continued electrode layer during making subsequent electrode layer; Be metal grill by the material configuration of the second electrode lay, be conducive to reducing touch-control impedance, and improve display frame switching rate.In other embodiments, described first electrode layer and the second electrode can be made by transparent conductive material or by metallic mesh material.
In the present embodiment, described step also comprises:
Step S04: the substrate being formed with the first electrode is combined setting with the filter layer being formed with the second electrode by a binding layer.Described filter layer also comprises a barrier bed (not shown), the projection of described the second electrode lay on described filter layer cover by the projection of described barrier bed on described filter layer, namely described the second electrode lay is overlapping in the direction in which with described light shield layer on the direction perpendicular to described first surface.This structure is conducive to the aperture opening ratio reducing described touch-control display panel while reducing touch-control impedance.
In another embodiment, described filter layer can directly be made on the first electrode layer, instead of is combined with described substrate is arranged by the mode combined.
As shown in Figure 3, its driving method waveform schematic diagram being touch-control display panel 100 shown in Fig. 1.The time that the touch-screen of described touch-control display panel 100 shows each frame (V-sync) is divided into displaying time section (Display) and touch-control time period (Touch), the time such as touching display one frame is 16.7ms, the touch-control time period is 5ms, displaying time section is 11.7ms, certainly also can according to the time span of suitable both the adjustment of the processing power of IC chip.In the touch-control time period, the IC chip (not shown) be connected with 104 layers, the second electrode provides touch scanning signals to the second electrode lay 104, realizes touch controllable function, and such as, in figure, touch scanning signals voltage raises; In displaying time section, the IC chip (not shown) be connected with 104 layers, the second electrode provides common electrode signal to the second electrode lay 104, realizes Presentation Function, and such as, in figure, common electrode signal voltage remains unchanged.
In the touch-control display panel 100 of present embodiment, due to the first electrode layer 102 is formed on substrate, second electrode 104 is formed on filter layer, and described the second electrode lay is at touch-control time period transmission touching signals, in displaying time section transmission common electrode signal, described the second electrode lay realizes the function of touch-control and display simultaneously, therefore, without the need to additional configuration one contact panel, be namely conducive to the lightening of touch-control display panel; In addition, described first electrode layer 102 and the second electrode lay 104 are arranged on different substrates, the electrode wires caused when being produced on same substrate by two electrode layers can be avoided wider than narrow, and to problems such as the damages of front and continued electrode layer during making subsequent electrode layer.Therefore, the touch-control display panel that present embodiment provides has taken into account lightening feature while being conducive to improving yields.
As shown in Figure 4, it is the structural representation of the touch-control display panel 200 of another better embodiment provided by the invention.Described touch-control display panel 200 comprises substrate 201, first electrode layer 202, filter layer 203 and the second electrode lay 204.One of difference of touch-control display panel 100 described in itself and Fig. 1 is, described touch-control display panel 200 also comprises a layer of polarizer 205.Described polaroid 205 is formed between described substrate 201 and described filter layer 203; Two of difference is, described first electrode layer 202 is formed on described polaroid 205.Described polaroid 205 has the 4th surperficial 205b of the 3rd surperficial 205a relative to described filter layer 203 and described filter layer 203 dorsad, and in present embodiment, described first electrode layer 202 is formed on the 3rd surperficial 205a of described polaroid 205.In another embodiment, described first electrode layer 202 can also be formed on the 4th surperficial 205b of described polaroid 205.Other structures of the touch-control display panel 200 of present embodiment, method for making and the touch-control display panel shown in driving method with Fig. 1 100 are substantially identical.
In present embodiment, the first electrode layer 202 is arranged on described polaroid 205, the second electrode 204 is formed on described filter layer 203, therefore without the need to making separately one piece of contact panel, is conducive to the lightening of touch-control display panel 200.
It is more than the better embodiment of touch-control display panel provided by the invention and preparation method thereof, driving method; the restriction to rights protection scope of the present invention can not be interpreted as; those skilled in the art should know; without departing from the inventive concept of the premise; also can do multiple improvement or replacement; these all improvement or replacement all should in the scope of the present invention, and namely the scope of the present invention should be as the criterion with claim.
Claims (10)
1. a touch-control display panel, it at least comprises a substrate, the first electrode layer, a filter layer and the second electrode lay, described first electrode layer is formed between described substrate and described filter layer, described the second electrode lay is formed at the side described filter layer differing from described first electrode layer, and described the second electrode lay is used in different time sections, transmit touching signals or common electrode signal.
2. touch-control display panel as claimed in claim 1, it is characterized in that: the described time period is divided into touch-control time period and displaying time section, in the touch-control time period, described the second electrode lay is for transmitting touching signals, in displaying time section, described second electrode is for transmitting common electrode signal.
3. touch-control display panel as claimed in claim 1, it is characterized in that: described substrate at least has the first surface relative to described filter layer, described first electrode layer is formed at described first surface, or described filter layer has the second surface relative to described substrate, described first electrode layer is formed on described second surface.
4. touch-control display panel as claimed in claim 1, it is characterized in that: described touch-control display panel also comprises a layer of polarizer, described polaroid is formed between described substrate and described filter layer, and described first electrode layer is formed on described polaroid.
5. touch-control display panel as claimed in claim 4, is characterized in that: described polaroid has the 3rd the 4th surface that is surperficial and described filter layer dorsad relative to described filter layer, and described first electrode layer is formed at described 3rd surface or the 4th surface.
6. touch-control display panel as claimed in claim 1, is characterized in that: described filter layer also comprises a barrier bed, the projection of described the second electrode lay on described filter layer cover by the projection of described barrier bed on described filter layer; Described first electrode and/or the second electrode are conductive grid structure.
7. a touch-control display panel method for making, it at least comprises the steps:
The substrate providing one to be oppositely arranged and filter layer;
One first electrode layer is formed between described substrate and described filter layer;
The side that described filter layer differs from described first electrode layer forms a second electrode lay, and described the second electrode lay is used for being applied to touching signals in the touch-control time period, is applied to common electrode signal in displaying time section.
8. touch-control display panel method for making as claimed in claim 7, it is characterized in that: described touch-control display panel also comprises a layer of polarizer, described polaroid is formed between described substrate and described filter layer, described first electrode layer is formed at the side of described substrate relative to described filter layer, or described first electrode layer is formed on described polaroid.
9. touch-control display panel method for making as claimed in claim 7, is characterized in that: described filter layer is also formed with a barrier bed, the projection of described the second electrode lay on described filter layer cover by the projection of described barrier bed on described filter layer.
10. a contact panel driving method, it is characterized in that: described contact panel at least comprises a substrate, the first electrode layer, a filter layer and the second electrode lay, described first electrode layer is formed between described substrate and described filter layer, and described the second electrode lay is formed at the side described filter layer differing from described first electrode layer; Described contact panel driving method comprises, and described the second electrode lay transmits touching signals or common electrode signal in the different time periods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410301203.4A CN105242800A (en) | 2014-06-27 | 2014-06-27 | Touch display panel as well as manufacturing method and driving method therefor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410301203.4A CN105242800A (en) | 2014-06-27 | 2014-06-27 | Touch display panel as well as manufacturing method and driving method therefor |
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| CN105242800A true CN105242800A (en) | 2016-01-13 |
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| CN201410301203.4A Pending CN105242800A (en) | 2014-06-27 | 2014-06-27 | Touch display panel as well as manufacturing method and driving method therefor |
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Application publication date: 20160113 |
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