CN101414070B - Touch control electrode layer and display panel - Google Patents
Touch control electrode layer and display panel Download PDFInfo
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- CN101414070B CN101414070B CN2008101796997A CN200810179699A CN101414070B CN 101414070 B CN101414070 B CN 101414070B CN 2008101796997 A CN2008101796997 A CN 2008101796997A CN 200810179699 A CN200810179699 A CN 200810179699A CN 101414070 B CN101414070 B CN 101414070B
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Abstract
A display panel comprises a first substrate, a second substrate and a display media; wherein, the display media is positioned between the first substrate and second substrate. The first substrate is provided with a pixel array. The second substrate includes a plurality of first contact control electrodes arranged along a first direction and a plurality of second contact control electrodes arranged along a second direction. Each of the first contact control electrodes is formed by staggered arranging a plurality of first upper layer contact control electrode patterns and a plurality of first lower layer shield electrode patterns, and each of the first upper layer contact control electrode patterns is electrically connected with the coadjacent first upper layer contact control electrode pattern. Each of the second contact control electrodes is formed by staggered arranging a plurality of second upper layer contact control electrode patterns and a plurality of second lower layer shield electrode patterns, and each of the second upper layer contact control electrode patterns is electrically connected with the coadjacent second upper layer contact control electrode pattern.
Description
[technical field]
The invention relates to a kind of touch control electrode layer and display panel, and particularly relevant for the touch control electrode layer of the stray capacitance between a kind of electrode layer that reduces in touch control electrode layer and the display panel and the display panel with this touch control electrode layer.
[background technology]
General existing touch-control display panel, it roughly is divided into condenser type, resistance-type and photosensitizing type etc. as if the design concept classification with touch controllable function.If then can be divided into external labeling type and embedded two kinds with the textural classification of touch controllable function.Capacitance type touch control display panel reaches signal to noise ratio preferably because of having high aperture opening ratio, so become present main flow trend newly developed on the market.And the thickness of embedded touch display panel is more more frivolous than external labeling type touch-control display panel, so for these reasons, the principle design of embedded capacitance touching control display panel is expected to reach better specification and performance.
Fig. 1 illustrates the diagrammatic cross-section into existing display panels.Please refer to Fig. 1, existing display panels 100 comprise first substrate 102, picture element array (pixel array) 103, liquid crystal layer (LiquidCrystal, LC) 104, tin indium oxide (ITO) electrode film 105 and second substrate 108.Picture element array 103 is disposed on first substrate 102, and electrode film 105 is positioned on second substrate 108, and liquid crystal display medium 104 is then between first substrate 102 and second substrate 108.
With regard to existing embedded capacitance touching control display panel, the position that the capacitance touching control electrode is embedded in display panels 100 mainly contains two: it is respectively position a or position b among Fig. 1.
Yet along with the compact development trend of consumption electronic products, display panels has had the demand of glass thinning in the use.So when the capacitance touching control electrode was embedded in the position a of Fig. 1, display panels can be because the thinning of glass, and increase the stray capacitance of 105 of touch-control electrode and electrode films.Thus, will make the drive signal that scans signal and display panels itself of touch controllable function interfere with each other (coupling), and then cause the signal error of Presentation Function and touch controllable function.In addition, when the capacitance touching control electrode was embedded in position b, display panels can be because touch-control electrode more close with distance between the electrode film 105, and produce bigger stray capacitance, thereby cause the signal disturbed condition even more serious.
[summary of the invention]
Therefore, the invention provides a kind of touch control electrode layer, it can reduce the stray capacitance between the electrode film in touch-control electrode and the display panel.
The invention provides a kind of display panel, it has above-mentioned touch control electrode layer.
The present invention proposes a kind of display panel, and it comprises one first substrate, one second substrate and a display medium.Display medium is between first substrate and second substrate.Comprise on first substrate and be provided with a picture element array.Comprise on second substrate and be provided with a touch control electrode layer.This touch control electrode layer comprises many first touch-control electrodes and many second touch-control electrodes.The first touch-control electrode is arranged along first direction, each bar first touch-control electrode is staggered by a plurality of first upper strata touch-control electrode patterns and a plurality of first lower floor's shielding electrode pattern and forms, and first lower floor's shielding electrode pattern of each first upper strata touch-control electrode pattern and adjacency electrically connects.The second touch-control electrode is arranged along second direction, each bar second touch-control electrode is staggered by a plurality of second upper strata touch-control electrode patterns and a plurality of second lower floor's shielding electrode pattern and forms, and second lower floor's shielding electrode pattern of each second upper strata touch-control electrode pattern and adjacency electrically connects.
In one embodiment of this invention, above-mentioned display panel more comprises a protective seam and an electrode film, and protective seam is covered on the touch control electrode layer, and electrode film is positioned on the protective seam.
In one embodiment of this invention, above-mentioned protective layer thickness between touch control electrode layer and electrode film is 10～50 microns.
In one embodiment of this invention, above-mentioned each first upper strata touch-control electrode pattern is arranged at the second corresponding lower floor shielding electrode pattern top.
In one embodiment of this invention, the above-mentioned first upper strata touch-control electrode pattern and the second upper strata touch-control electrode pattern copline, and first lower floor's shielding electrode pattern and second lower floor's shielding electrode pattern copline.
In one embodiment of this invention, the size of the above-mentioned first upper strata touch-control electrode pattern is identical with the size essence of second lower floor's shielding electrode pattern, and the second upper strata touch-control electrode pattern is identical in fact with first lower floor's shielding electrode pattern dimension.
In one embodiment of this invention, the area of above-mentioned each first upper strata touch-control electrode pattern, each first lower floor's shielding electrode pattern, each second upper strata touch-control electrode pattern or each second lower floor's shielding electrode pattern is 1/2～2/3 of a unit touch-control area.
In one embodiment of this invention, above-mentioned display panel more comprises a plurality of first contact structures and a plurality of second contact structures.Each first contact structures is between the adjacent first upper strata touch-control electrode pattern and first lower floor's shielding electrode pattern, to electrically connect the first upper strata touch-control electrode pattern and the first lower electrode shielding electrode pattern.Each second contact structures is between the adjacent second upper strata touch-control electrode pattern and second lower floor's shielding electrode pattern, to electrically connect the second upper strata touch-control electrode pattern and the second lower electrode shielding electrode pattern.
In one embodiment of this invention, above-mentioned each first contact structures and each second contact structures are an at least one contact plunger or a Continuous Contact structure.
In one embodiment of this invention, above-mentioned display panel more comprises many perimeter circuits, each perimeter circuit and one first touch-control electrode wherein or wherein one second touch-control electrode electrically connect.
In one embodiment of this invention, above-mentioned touch control electrode layer is divided at least two zones, and the first touch-control electrode and the second touch-control electrode in the first touch-control electrode in each zone and the second touch-control electrode and other zone are electrically insulated.
In one embodiment of this invention, above-mentioned display panel more comprises many perimeter circuits, and wherein one the first touch-control electrode in each perimeter circuit and each zone or wherein one second touch-control electrode electrically connect.
In one embodiment of this invention, the material of the above-mentioned first touch-control electrode and the second touch-control electrode comprises transparent conductive material or metal.
The present invention proposes a kind of touch control electrode layer, and it comprises a plurality of first touch control units and a plurality of second touch control unit, and wherein second touch control unit and first touch control unit are staggered.Each first touch control unit comprises one first upper strata touch-control electrode pattern and one second lower floor's shielding electrode pattern, and the first upper strata touch-control electrode pattern and second lower floor's shielding electrode pattern overlapping.Each second touch control unit comprises one second upper strata touch-control electrode pattern and one first lower floor's shielding electrode pattern, wherein the second upper strata touch-control electrode pattern and first lower floor's shielding electrode pattern overlapping.Particularly, the first upper strata touch-control electrode pattern and the first lower floor's shielding electrode pattern that are positioned at mutually same row electrically connect, and the second upper strata touch-control electrode pattern and the second lower floor's shielding electrode pattern that are positioned at identical delegation electrically connect.
In one embodiment of this invention, the above-mentioned first upper strata touch-control electrode pattern that overlaps each other has identical signal with second lower floor's shielding electrode pattern.
In one embodiment of this invention, the above-mentioned second upper strata touch-control electrode pattern that overlaps each other has identical signal with first lower floor's shielding electrode pattern.
In one embodiment of this invention, more comprise an insulation course between the above-mentioned first upper strata touch-control electrode pattern that overlaps each other and the second lower floor's shielding electrode pattern.
In one embodiment of this invention, more comprise an insulation course between the above-mentioned second upper strata touch-control electrode pattern that overlaps each other and the first lower floor's shielding electrode pattern.
In one embodiment of this invention, the size of the above-mentioned first upper strata touch-control electrode pattern is same as the size of second lower floor's shielding electrode pattern in fact, and the size of the second upper strata touch-control electrode pattern is same as the size of first lower floor's shielding electrode pattern in fact.
In one embodiment of this invention, above-mentioned at mutually same row the first upper strata touch-control electrode pattern and first lower floor's shielding electrode pattern between have at least one first contact structures so that it electrically connects, and between the second upper strata touch-control electrode pattern of identical delegation and second lower floor shielding electrode pattern electric connection, have at least one second contact structures so that its electric connection.
In one embodiment of this invention, above-mentioned first contact structures and second contact structures are an at least one contact plunger or a Continuous Contact structure.
Based on above-mentioned, the touch-control electrode pattern that touch control electrode layer of the present invention is arranged because of employing overlaps each other and the technology of shielding electrode pattern, because the shielding electrode pattern can cover the stray capacitance between touch-control electrode pattern and the electrode film, therefore can improve the induction sensitivity of touch-control electrode.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
[description of drawings]
Fig. 1 is the diagrammatic cross-section of existing display panels.
Fig. 2 is the diagrammatic cross-section of the display panel of the first embodiment of the present invention.
Fig. 3 be Fig. 2 touch control electrode layer on look synoptic diagram.
Fig. 4 is the part elevation enlarged drawing of Fig. 3.
Fig. 5 A and Fig. 5 B are the synoptic diagram of the other two kinds of structures of contact structures of Fig. 4.
Fig. 6 A is the I in Fig. 3
1-I
1' diagrammatic cross-section shown in the profile line.
Fig. 6 B is the I in Fig. 3
2-I
2' diagrammatic cross-section shown in the profile line.
Fig. 7 be second embodiment of the invention touch control electrode layer on look synoptic diagram.
[primary clustering symbol description]
100: display panels
102: the first substrates
103: the picture element array
104: the liquid crystal display medium
105: the indium-tin oxide electrode film
108: the second substrates
200: display panel
202: display medium
203,700: touch control electrode layer
204: protective seam
205: electrode film
300,702,706,716,718: the first touch-control electrodes
300a: the first upper strata touch control electrode layer
300b: first lower floor's shielding electrode layer
303,704,708,720,722: the second touch-control electrodes
303a: the second upper strata touch control electrode layer
303b: second lower floor's shielding electrode layer
304: the first touch control units
305: the second touch control units
306: the first contact structures
307: unit touch-control area
308: the second contact structures
310,710,712: perimeter circuit
502: three contact plungers
504: the Continuous Contact connector
602: insulation course
A, B, C, D: zone
[embodiment]
First embodiment
Fig. 2 is the diagrammatic cross-section of the display panel of the first embodiment of the present invention.Please refer to Fig. 2, the display panel 200 of present embodiment comprises first substrate 102, picture element array 103, second substrate 108, display medium 202 and touch control electrode layer 203.
Display medium 202 can be liquid crystal material or electroluminescence material.If display medium 202 is to adopt liquid crystal material, display panel is a display panels, and it for example is the penetrating type display panel, the semi penetration type display panel, reflective display panel, (COA) display panel, (AOC) display panel, vertical orientation type (VA) display panel, horizontal switch type (IPS) display panel, multi-domain perpendicular alignment-type (MVA) display panel, twisted nematic (TN) display panel, super-twist nematic (STN) display panel, pattern vertical orientation type (PVA) display panel, super pattern vertical orientation type (S-PVA) display panel, the advanced person is type (ASV) display panel with great visual angle, fringe field switch type FFS display panel, continuous fireworks shape arrange type CPA display panel, rotational symmetry is arranged micella type (ASM) display panel, optical compensation curved arrange type (OCB) display panel, super horizontal switch type (S-IPS) display panel, advanced super horizontal switch type (AS-IPS) display panel, extreme edge electric field switch type (UFFS) display panel, stabilizing polymer alignment-type display panel, double vision angle type (dual-view) display panel, three visual angle type (triple-view) display panels, 3 d display (three-dimensional) or other profile plate, or above-mentioned combination.If display medium 202 is the electroluminescence material, then display panel is called electric exciting light emitting display panel, it for example is fluorescence electric exciting light emitting display panel, phosphorescence electric exciting light emitting display panel or above-mentioned combination, and the electroluminescence material of electric exciting light emitting display panel comprises organic material, inorganic or above-mentioned combination, and the molecule of electroluminescence material comprises micromolecule, macromolecule or above-mentioned combination.
Touch control electrode layer 203 is positioned on second substrate 108.Fig. 3 be in the display panel of Fig. 2 touch control electrode layer on look synoptic diagram.Please be simultaneously with reference to Fig. 2 and Fig. 3, touch control electrode layer 203 comprises many first touch-control electrodes 300, many second touch-control electrodes 303 and many perimeter circuits 310.The first touch-control electrode 300 is arranged along first direction.The second touch-control electrode 303 is arranged along second direction.In the present embodiment, first, second direction is that example illustrates with X and Y direction respectively.
From the above, electrical 303 insulation of the first touch-control electrode 300 and the second touch-control electrode.In addition, each bar first touch-control electrode 300 and each bar second touch-control electrode 303 can be respectively electrically connects with a corresponding perimeter circuit 310.Can import and output signal to the first touch-control electrode 300 and the second touch-control electrode electrical 303 by perimeter circuit 310.In addition, the composition material of the first touch-control electrode 300 and the second touch-control electrode 303 comprises transparent conductive material or metal.In the embodiments of figure 3, the composition material of the first touch-control electrode 300 and the second touch-control electrode 303 is transparent conductive materials.In other embodiments, as the first touch-control electrode 300 and the second touch-control electrode 303 is to adopt metal material, in the first touch-control electrode 300 and the second touch-control electrode 303, more comprise so being formed with a plurality of light openings patterns, and each light openings pattern is each the image element structure setting in the corresponding picture element array 103.
More specifically, each bar first touch-control electrode 300 is to be made of a plurality of first upper strata touch-control electrode pattern 300a and a plurality of first shielding electrode pattern 300b of the lower floor institute that is staggered, and the first shielding electrode pattern 300b of lower floor of each first upper strata touch-control electrode pattern 300a and adjacency electric connection.Each bar second touch-control electrode 303 is to be made of a plurality of second upper strata touch-control electrode pattern 303a and a plurality of second shielding electrode pattern 303b of the lower floor institute that is staggered, and the second shielding electrode pattern 303b of lower floor of each second upper strata touch-control electrode pattern 303a and adjacency electric connection.At this, each first upper strata touch-control electrode pattern 300a and the second touch-control electrode pattern 303b of lower floor that is positioned under it constitute first touch control unit 304.Each second upper strata touch-control electrode pattern 303a and the first touch-control electrode pattern 300b of lower floor that is positioned under it constitute second touch control unit 305.
In addition, please refer to Fig. 2,, more comprise on second substrate 108 being provided with a protective seam 204 and an electrode film 205 according to one embodiment of the invention.Protective seam 204 is covered on the touch control electrode layer 203.Electrode film 205 is positioned on the protective seam 204.In another embodiment, more comprise on second substrate 108 and be provided with chromatic filter layer (not illustrating).Chromatic filter layer covers on the touch control electrode layer 203.Chromatic filter layer for example is made of green filter layer, blue color filter layer and ruddiness filter layer.
Particularly, in the present embodiment, the adding of protective seam 204 can increase the distance of 205 of touch control electrode layer 203 and electrode films, to reach the capacitance that reduces stray capacitance.In one embodiment, the thickness range of protective seam 105 is 10～50 microns
, preferably 20 microns
In addition, in the present embodiment, the area of each first upper strata touch-control electrode pattern 300a, each first shielding electrode pattern 300b of lower floor, each second upper strata touch-control electrode pattern 303a or each second shielding electrode pattern 303b of lower floor is 1/2～2/3 of a unit touch-control area 307.Generally speaking, a unit touch-control area 307 is approximately 0.5cm * 0.5cm, and it is equivalent to the size of a finger.The design of the area of above-mentioned touch- control electrode pattern 300a, 303a mainly is in order to pick out position of touch accurately, is described in detail as follows:
Please continue with reference to Fig. 3, below with coordinate position (X
n, Y
n) define the lap position of the second upper strata touch-control electrode pattern 303a and the first shielding electrode pattern 300b of lower floor and the lap position of the first upper strata touch-control electrode pattern 300a and the second shielding electrode pattern 303b of lower floor, just define the position of touch control unit 304,305.For example, touch coordinate position (X when finger
N+2, Y
N-1) time, owing to the second shielding electrode pattern 303b of lower floor is blocked by the first upper strata touch-control electrode pattern 300a, thereby at coordinate position Y
N-1The second shielding electrode pattern 303b of lower floor can't sense the touch-control of finger, thereby it causes the X coordinate to judge.So the X coordinate must be by the coordinate position (X by vicinity
N+1, Y
N-1) or coordinate position (X
N+3, Y
N-1) on the second upper strata touch-control electrode 303a and finger between the inductance capacitance that causes judge.Therefore, do not have the effect of sensed position for avoiding a certain direction of touch-control electrode pattern, the size of each touch-control electrode can not be too big, therefore, the area of the touch-control electrode pattern of touch control electrode layer preferably unit touch-control area 307 1/2～2/3.
Below will come thin portion that touch control electrode layer of the present invention is described with stereographic map and sectional view.Fig. 4 is the part elevation enlarged drawing of the touch control electrode layer of Fig. 3.Please refer to Fig. 3 and Fig. 4, in the present embodiment, the first upper strata touch-control electrode pattern 300a and the second upper strata touch-control electrode pattern 303a copline, and the first shielding electrode pattern 300b of lower floor and the second shielding electrode pattern 303b of the lower floor copline.In addition, the size of the first upper strata touch-control electrode pattern 300a is identical in fact with the size of the second shielding electrode pattern 303b of lower floor, and the size 303a of the second upper strata touch-control electrode pattern is identical in fact with the size of the first shielding electrode pattern 300b of lower floor.In addition, present embodiment adopts first upper strata touch-control electrode pattern 300a and the first lower floor shielding electrode pattern 300b of a plurality of first contact structures 306 to electrically connect same row, and adopts a plurality of second contact structures 308 to electrically connect the second upper strata touch-control electrode pattern 303a and the second shielding electrode pattern 303b of lower floor with delegation.In the present embodiment, each contact structures 306,308 is two contact plungers.Contact structures 306,308 also can be respectively that a contact plunger gets final product, or three or three above contact plungers (shown in Fig. 5 A) yet in other embodiments.In addition, contact structures 306,308 even also can be a Continuous Contact structure its objective is that being used for down two-layer electrode layer does electric connection, and its detailed overall appearance can be with reference to Fig. 5 B.
In addition, Fig. 6 A is the I in Fig. 3
1-I
1' diagrammatic cross-section shown in the profile line, and Fig. 6 B is the I in Fig. 3
2-I
2' diagrammatic cross-section shown in the profile line.Please refer to Fig. 3 and Fig. 6 A and Fig. 6 B, in the present embodiment, between the first upper strata touch-control electrode pattern 300a and the second shielding electrode pattern 303b of lower floor, more comprise a layer insulating 602.Between the second upper strata touch-control electrode pattern 303a and the first shielding electrode pattern 300b of lower floor, comprise a layer insulating 602.And, has same signal between the first upper strata touch-control electrode pattern 300a that overlaps each other and the second shielding electrode pattern 303b of lower floor when when carrying out touch control operation.Also has same signal between the second upper strata touch-control electrode pattern 303a that overlaps each other in addition, and the first shielding electrode pattern 300b of lower floor.When having identical current potential or voltage signal between two conductive layers that overlap each other, promptly can not have stray capacitance between two conductive layers.The design of touch control electrode layer of the present invention also makes between the two overlapping electrode patterns and has identical voltage signal, can reduce the stray capacitance that is produced between touch control electrode layer and the electrode film.
More specifically, please refer to Fig. 2, Fig. 3 and Fig. 4, in order to reduce the stray capacitance of 105 of touch control electrode layer 203 and electrode films, the first embodiment of the present invention sees through the first touch-control electrode 300 and the staggered up and down arrangement architecture of the second touch-control electrode 303, and the mode that makes the electrode pattern that overlaps each other have identical signal is reached.In other words, when the first upper strata touch-control electrode pattern 300a and the second shielding electrode pattern 303b of lower floor are given the signal of a same frequency, identical size, understand because of the identical of signal can not have electric capacity between the first upper strata touch-control electrode pattern 300a and the second shielding electrode pattern 303b of lower floor.And the signal that utilizes the second shielding electrode pattern 303b of lower floor can completely cut off 105 of the first upper strata touch-control electrode pattern 300a and electrode films disturbs.So, the area size of the first upper strata touch-control electrode pattern 300a, the second shielding electrode pattern 303b of lower floor, the second upper strata touch-control electrode 303a and the first touch-control electrode pattern 300b of lower floor is close, can disturb signal and make effective insulating effect, and reach the effect that reduces stray capacitance.
Second embodiment
Fig. 7 illustrates to according to looking synoptic diagram on the touch control electrode layer of second embodiment of the invention.Please refer to Fig. 7, present embodiment is similar to the touch control electrode layer 203 of the embodiment of Fig. 3, and difference is that the touch control electrode layer 700 of present embodiment is divided at least two zones.Be that touch control electrode layer 700 is divided into four regional A, B, C, D in Fig. 7, but the present invention's number of restricted area not.
In Fig. 7, the first touch-control electrode 706 in the regional A and the second touch-control electrode 708 and other three area B, the interior first touch-control electrode 702,716,718 and 704,720,722 insulation of the second touch-control electrode of C, D.And interior each bar first touch-control electrode 706 and each bar second touch-control electrode 708 of regional A electrically connects with a perimeter circuit 712 all respectively.Similarly, the first touch-control electrode 702 in the area B and the second touch-control electrode 704 also can with the touch-control electrode insulation in other zone, and each the bar first touch-control electrode 702 in each zone and each bar second touch-control electrode 704 electrically connect with a perimeter circuit 710 all respectively.
In sum, the present invention is embedded in display panel inside with touch control electrode layer, and it not only can reduce the overall process of panel, also can reduce the thinning cost of panel.In addition, first and second touch-control electrode in the touch control electrode layer of the present invention is with overlapping staggered pattern setting, and make overlapping electrode pattern have identical voltage signal, it can reduce the stray capacitance between touch control electrode layer and the electrode film, and then increases the induction sensitivity of touch control electrode layer.
Though the present invention discloses as above with embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.
Claims (18)
1. display panel comprises:
One first substrate comprises on this first substrate being provided with a picture element array;
One second substrate comprises on this second substrate being provided with a touch control electrode layer, and wherein this touch control electrode layer comprises:
Many first touch-control electrodes, it is arranged along a first direction, wherein each bar first touch-control electrode is to be made of a plurality of first upper strata touch-control electrode patterns and a plurality of first lower floor's shielding electrode pattern institute that is staggered, and the described first lower floor shielding electrode pattern electric connection of each first upper strata touch-control electrode pattern and adjacency;
Many second touch-control electrodes, it is electrically insulated along second direction arrangement and with the described first touch-control electrode, wherein each bar second touch-control electrode is to be made of a plurality of second upper strata touch-control electrode patterns and a plurality of second lower floor's shielding electrode pattern institute that is staggered, and the described second lower floor shielding electrode pattern electric connection of each second upper strata touch-control electrode pattern and adjacency; And
One display medium is between this first substrate and this second substrate;
Wherein, each first upper strata touch-control electrode pattern is arranged at this corresponding second lower floor shielding electrode pattern top, and each second upper strata touch-control electrode pattern is arranged at this corresponding first lower floor shielding electrode pattern top.
2. display panel according to claim 1 is characterized in that, more comprises:
One protective seam is covered on this touch control electrode layer; And
One electrode film is positioned on this protective seam.
3. display panel according to claim 2 is characterized in that, this protective layer thickness between this touch control electrode layer and this electrode film is 10～50 microns.
4. display panel according to claim 1 is characterized in that, described first upper strata touch-control electrode pattern and the described second upper strata touch-control electrode pattern copline, and described first lower floor's shielding electrode pattern and described second lower floor's shielding electrode pattern copline.
5. display panel according to claim 1, it is characterized in that, the size of the described first upper strata touch-control electrode pattern is identical in fact with the size of described second lower floor's shielding electrode pattern, and the size of the described second upper strata touch-control electrode pattern is identical in fact with the size of described first lower floor's shielding electrode pattern.
6. display panel according to claim 1, it is characterized in that the area of each the first upper strata touch-control electrode pattern on this display panel, each first lower floor's shielding electrode pattern, each second upper strata touch-control electrode pattern or each second lower floor's shielding electrode pattern is 1/2～2/3 of a unit touch-control area; Wherein, a described unit touch-control area is 0.5cm * 0.5cm.
7. display panel according to claim 1 is characterized in that, more comprises:
A plurality of first contact structures, each first contact structures are between adjacent this first upper strata touch-control electrode pattern and this first lower floor shielding electrode pattern, to electrically connect this first upper strata touch-control electrode pattern and this first lower floor shielding electrode pattern; And
A plurality of second contact structures, each second contact structures are between adjacent this second upper strata touch-control electrode pattern and this second lower floor shielding electrode pattern, to electrically connect this second upper strata touch-control electrode pattern and this second lower floor shielding electrode pattern.
8. display panel according to claim 7 is characterized in that, each first contact structures and each second contact structures are an at least one contact plunger or a Continuous Contact structure.
9. display panel according to claim 1 is characterized in that, more comprises many perimeter circuits, each perimeter circuit and one first touch-control electrode wherein or wherein one second touch-control electrode electrically connect.
10. display panel according to claim 1, it is characterized in that, this touch control electrode layer is divided at least two zones, and the described first touch-control electrode and the second touch-control electrode in the described first touch-control electrode in each zone and the second touch-control electrode and other zone are electrically insulated.
11. display panel according to claim 10 is characterized in that, more comprises many perimeter circuits, and wherein one the first touch-control electrode in each perimeter circuit and each zone or wherein one second touch-control electrode electrically connect.
12. display panel according to claim 1 is characterized in that, the material of described first touch-control electrode and the described second touch-control electrode comprises transparent conductive material or metal.
13. a touch control electrode layer comprises:
A plurality of first touch control units, each first touch control unit comprises:
One first upper strata touch-control electrode pattern; And
One second lower floor's shielding electrode pattern, wherein this first upper strata touch-control electrode pattern and this second lower floor shielding electrode pattern overlapping;
A plurality of second touch control units, itself and described first touch control unit are staggered, and wherein each second touch control unit comprises:
One second upper strata touch-control electrode pattern; And
One first lower floor's shielding electrode pattern, wherein this second upper strata touch-control electrode pattern and this first lower floor shielding electrode pattern overlapping;
Wherein, be positioned at the described first upper strata touch-control electrode pattern of mutually same row and described first lower floor's shielding electrode pattern of adjacency and electrically connect, and be positioned at the described second upper strata touch-control electrode pattern of identical delegation and described second lower floor shielding electrode pattern electric connection of adjacency;
More comprise an insulation course between this that the overlaps each other first upper strata touch-control electrode pattern and this second lower floor shielding electrode pattern;
More comprise an insulation course between this that the overlaps each other second upper strata touch-control electrode pattern and this first lower floor shielding electrode pattern.
14. touch control electrode layer according to claim 13 is characterized in that, this that the overlaps each other first upper strata touch-control electrode pattern has identical signal with this second lower floor shielding electrode pattern.
15. touch control electrode layer according to claim 13 is characterized in that, this that the overlaps each other second upper strata touch-control electrode pattern has identical signal with this first lower floor shielding electrode pattern.
16. touch control electrode layer according to claim 13, it is characterized in that, the size of the described first upper strata touch-control electrode pattern is same as the size of described second lower floor's shielding electrode pattern in fact, and the size of the described second upper strata touch-control electrode pattern is same as the size of described first lower floor's shielding electrode pattern in fact.
17. touch control electrode layer according to claim 13, it is characterized in that, between described first lower floor's shielding electrode pattern of the described first upper strata touch-control electrode pattern of mutually same row and adjacency, have at least one first contact structures so that it electrically connects, and between described second lower floor shielding electrode pattern electric connection of the described second upper strata touch-control electrode pattern of identical delegation and adjacency, have at least one second contact structures so that its electric connection.
18. touch control electrode layer according to claim 17 is characterized in that, these first contact structures and this second contact structures are an at least one contact plunger or a Continuous Contact structure.
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| CN2008101796997A CN101414070B (en) | 2008-12-01 | 2008-12-01 | Touch control electrode layer and display panel |
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|---|---|---|---|
| CN2008101796997A CN101414070B (en) | 2008-12-01 | 2008-12-01 | Touch control electrode layer and display panel |
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| CN101872272A (en) * | 2009-04-23 | 2010-10-27 | 联想(北京)有限公司 | Surface capacitance type touch screen and electronic equipment |
| CN101719037B (en) * | 2009-12-30 | 2011-06-01 | 友达光电股份有限公司 | Touch-control display panel |
| CN101882040B (en) * | 2010-03-12 | 2012-12-19 | 敦泰科技有限公司 | Mutually capacitive touch screen with electrodes arranged on double-layer conductive material thin film |
| TWI463362B (en) * | 2011-07-28 | 2014-12-01 | Tpk Touch Solutions Inc | Touch display device and manufacturing method threrof |
| CN102360260A (en) * | 2011-10-27 | 2012-02-22 | 汕头超声显示器（二厂）有限公司 | Sensing electrode for projection type capacitance touch screen |
| CN103092450B (en) * | 2013-01-28 | 2016-09-07 | 北京京东方光电科技有限公司 | A kind of touch-screen and manufacture method, display device |
| CN105549798A (en) * | 2014-10-30 | 2016-05-04 | 中强光电股份有限公司 | Touch projection screen and projection system using same |
| CN106293231B (en) * | 2016-08-11 | 2024-03-12 | 厦门天马微电子有限公司 | Touch display panel and display device |
| CN108614652B (en) * | 2016-12-13 | 2021-07-09 | 和鑫光电股份有限公司 | Touch panel |
| CN107203298B (en) * | 2017-05-26 | 2019-05-07 | 京东方科技集团股份有限公司 | Display device, touch-control display panel and its driving method |
| CN107783699B (en) * | 2017-10-16 | 2021-05-04 | 业成科技（成都）有限公司 | Touch panel structure and manufacturing method thereof |
| CN110277072B (en) * | 2018-03-15 | 2020-07-28 | 北京京东方光电科技有限公司 | Common electrode voltage compensation method and device and touch display module |
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2008
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