CN203858607U - Embedded touch panel and display device - Google Patents
Embedded touch panel and display device Download PDFInfo
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- CN203858607U CN203858607U CN201420288671.8U CN201420288671U CN203858607U CN 203858607 U CN203858607 U CN 203858607U CN 201420288671 U CN201420288671 U CN 201420288671U CN 203858607 U CN203858607 U CN 203858607U
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Abstract
The utility model relates to an embedded touch panel and a display device. The embedded touch panel comprises an array substrate. The array substrate comprises a common electrode layer and a plurality of sets of touch driving electrodes which are arranged on the common electrode layer and insulated from the common electrode layer. The embedded touch panel further comprises touch induction electrodes. The touch driving electrodes and the touch induction electrodes are arranged in a crossed and insulated mode.
Description
Technical field
The utility model relates to display technique field, is specifically related to a kind of embedded touch control panel and display device.
Background technology
Contact panel for touch-control input is widely used in televisor, mobile phone, portable terminal device and other display device, wherein touch-control electrode is embedded in to embedded (In-cell) scheme of display screen inside, both thickness that can attenuate module integral body, can reduce the cost of manufacture of contact panel again, be subject to the attention of all big enterprises.
Fig. 1 shows the touch-control sensing electrode of existing a kind of embedded touch control panel and the floor map of common electrode layer, and Fig. 2 shows along the sectional view of the line A-A in Fig. 1.As shown in Figure 2, embedded touch control panel comprises array base palte 10 and the color membrane substrates 20 being oppositely arranged with array base palte 10, wherein on color membrane substrates 20, there are a plurality of touch-control sensing electrodes 21, on array base palte 10, there is the common electrode layer 11 being formed by a plurality of touch-control drive electrodes 12 arranged in a crossed manner and a plurality of public electrode 13.As shown in Figure 1, each public electrode 13 and touch-control sensing electrode 21 are the strip shaped electric poles extending along second direction Y, and touch-control sensing electrode 21 is positioned at each public electrode 13 tops; Touch-control drive electrode 12 extends along first direction X, and consists of a plurality of block touch-control driven element electrode being connected by touch-control drive signal line 14 electricity, and example is touch-control driven element electrode 12a, 12b, 12c, 12d as shown in Figure 1.
Yet, in existing embedded touch control panel, touch-control drive electrode 12 is inconsistent with the load of public electrode 13, makes this two-part picture disply uneven, has a strong impact on picture quality, and the load of touch-control drive electrode 12 is larger, touching signals far-end is not easy to realize touch controllable function.
Utility model content
Technical problem to be solved in the utility model is the inconsistent problem that makes this two-part picture disply inequality of load of touch-control drive electrode and public electrode in embedded touch control panel.
For this purpose, the utility model proposes a kind of embedded touch control panel, comprise array base palte, wherein, on described array base palte, comprise common electrode layer and be arranged in described common electrode layer and with many groups touch-control drive electrode of described common electrode layer insulation, described embedded touch control panel also comprises touch-control sensing electrode, and described touch-control drive electrode and the insulation of described touch-control sensing electrode crossing arrange.
Preferably, each is organized described touch-control drive electrode and extends along first direction, each organizes described touch-control sensing electrode along the second direction extension vertical with described first direction, and described in every group, touch-control drive electrode is separated into along described first direction the touch-control driven element electrode that a plurality of size shape are identical.
Preferably, described touch-control driven element electrode be arranged on two groups that are adjacent described between the projection of touch-control sensing electrode on described array base palte.
Preferably, described in each, the width of touch-control driven element electrode is 4mm to 6mm.
Preferably, the spacing between adjacent two described touch-control driven element electrodes is 4 μ m to 8 μ m.
Preferably, described in each, touch-control driven element electrode is metal grill pattern.
Preferably, the figure of described metal grill pattern on described first direction is corresponding with the position of the projection of data line on described array base palte, and the figure in described second direction is corresponding with the position of the projection of grid line on described array base palte.
Preferably, with touch-control driven element electrode described in a line, by least one touch-control drive signal line electricity, be connected.
Preferably, described touch-control drive signal line and described touch-control drive electrode are made with layer, and described touch-control drive signal line and the setting of described touch-control sensing electrode insulation.
Preferably, described embedded touch control panel also comprises the electrode protecting layer being arranged on described touch-control drive electrode.
Preferably, the pixel electrode layer of described electrode protecting layer and described array base palte is made with layer, and is not connected with pixel.
Preferably, described touch-control drive electrode adopts transparent conductive material or metal material to make.
The utility model has also proposed a kind of display device, and it comprises above-mentioned embedded touch control panel.
By adopting embedded touch control panel disclosed in the utility model and display device, not only can effectively improve the load of touch-control drive electrode and public electrode, thereby raising image quality, and can effectively increase the edge mutual capacitance between touch-control sensing electrode and touch-control drive electrode, reduction, over against electric capacity, improves touch-control sensitivity.
Accompanying drawing explanation
By reference to accompanying drawing, can more clearly understand feature and advantage of the present utility model, accompanying drawing is schematically to should not be construed as the utility model is carried out to any restriction, in the accompanying drawings:
Fig. 1 shows the touch-control sensing electrode of existing a kind of embedded touch control panel and the floor map of common electrode layer;
Fig. 2 shows along the sectional view of the line A-A in Fig. 1;
Fig. 3 shows according to the touch-control drive electrode of the contact panel of the utility model embodiment and the floor map of common electrode layer;
Fig. 4 shows along the sectional view of the line B-B in Fig. 3;
Fig. 5 shows according to the floor map of the array base palte of the utility model embodiment.
Embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing of the utility model embodiment, the technical scheme of the utility model embodiment is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present utility model, rather than whole embodiment.Based on described embodiment of the present utility model, the every other embodiment that those of ordinary skills obtain under the prerequisite without creative work, belongs to the scope that the utility model is protected.
Fig. 3 shows according to the touch-control drive electrode of the contact panel of the utility model embodiment and the floor map of common electrode layer, and Fig. 4 shows along the sectional view of the line B-B in Fig. 3.As shown in Figure 4, from in existing embedded touch control panel structure, common electrode layer to be divided into public electrode different with touch-control drive electrode, according to the embedded touch control panel of the utility model embodiment, do not cut apart common electrode layer, thereby do not change the script function of common electrode layer.According to the embedded touch control panel of the utility model embodiment, comprise array base palte 10, wherein on array base palte 10, comprise common electrode layer 11 and be arranged in common electrode layer 11 and with many groups touch-control drive electrode 12 of common electrode layer 11 insulation, this embedded touch control panel also comprises touch-control sensing electrode 21, touch-control drive electrode 12 and the 21 transposition insulator settings of touch-control sensing electrode.
More specifically, according to the embedded touch control panel of the utility model embodiment, comprise array base palte 10 and the color membrane substrates 20 being oppositely arranged with array base palte 10, wherein array base palte 10 is equipped with liquid crystal layer with color membrane substrates 20 therebetween, and pass through to box technique to box together, thereby form contact panel.On color membrane substrates 20, be provided with many group touch-control sensing electrodes 21, on array base palte 10, be provided with common electrode layer 11, in common electrode layer 11, be provided with insulation course 15, on insulation course 15, be provided with many group touch-control drive electrodes 12, and touch-control drive electrode 12 be arranged in a crossed manner with touch-control sensing electrode 21.Fig. 4 only illustrates the utility model for exemplary purposes, and not the utility model is carried out to any restriction, those skilled in the art are to be understood that, touch-control sensing electrode is not necessarily arranged on color membrane substrates, also can be arranged on array base palte, only otherwise contact with touch-control drive electrode.Touch-control drive electrode 12 makes edge mutual capacitance large and less over against electric capacity with the arranged in a crossed manner of touch-control sensing electrode 21, thereby has improved touch-control sensitivity.
From Fig. 3, can clearerly find out according to the pattern of the common electrode layer of the embedded touch control panel of embodiment of the present utility model and touch-control drive electrode, as shown in Figure 3, each organizes touch-control drive electrode 12 along first direction X extension, and touch-control drive electrode 12 is by the identical touch-control driven element electrode T of a plurality of size shape connecting by touch-control drive signal line 14
xform, every group of touch-control drive electrode 12 is separated into along first direction X the touch-control driven element electrode T that a plurality of size shape are identical in other words
x, each is organized touch-control sensing electrode 21 and extends along the second direction Y vertical with first direction X.Preferably, described first direction X is consistent with the direction of data line on array base palte, and described second direction Y is consistent with the direction of grid line on array base palte.
Preferably, touch-control drive electrode 12 is arranged between the projection on array base palte 10 of two groups of touch-control sensing electrodes 21 being adjacent, thereby make not exist between touch-control drive electrode 12 and the projection of touch-control sensing electrode 21 on array base palte 10 overlapping, thereby edge mutual capacitance is maximized, further promote touch-control sensitivity.Each touch-control driven element electrode T
xsize shape identical, each touch-control driven element electrode T
xwidth be approximately 4mm to 6mm, adjacent two touch-control driven element electrode T
xbetween spacing be 4 μ m to 8 μ m, and the projection of touch-control sensing electrode 21 on array base palte 10 is between adjacent two row touch-control drive electrodes 12.
Preferably, be also provided with electrode protecting layer 16 on touch-control drive electrode 12, this electrode protecting layer 16 can be made with layer with pixel electrode layer, and is not connected with pixel.Due to pixel electrode layer, conventionally adopt the materials such as ITO, IGZO to form, on touch-control drive electrode 12, be provided with electrode protecting layer 16 and can prevent that touch-control drive electrode 12 is oxidized, make technology stability better, and also reduced resistance to a certain extent.It will be appreciated by those skilled in the art that; also can be when forming pixel electrode layer; on other electrode layers or pad, also form pixel electrode layer as protective seam; for example on the pad of edge region, form pixel electrode layer as protective seam; thereby can, when preventing electrode or pad oxidation, reduce the resistance of electrode or pad.
In Fig. 3, with a line touch-control driven element electrode T
xby at least one touch-control drive signal line 14 electricity, be connected, this touch-control drive signal line 14 extends on the second direction Y vertical with first direction X.Preferably touch-control drive signal line 14 is prepared with layer 12 with touch-control drive electrode, and touch-control drive signal line 14 connects adjacent touch-control driven element electrode T
xand described touch-control drive signal line and described touch-control sensing electrode insulation arrange, the position corresponding with described touch-control sensing electrode arranges via hole, by described via hole, metal level corresponding to described touch-control sensing electrode lower floor, be connected adjacent touch-control driven element electrode with touch-control drive signal line, so not only can reduce processing step, also help and make the frame of contact panel narrower.Those skilled in the art are to be understood that, touch-control drive signal line is not limited to one, also can be that same a line touch-control driven element electrode is electrically connected to by many touch-control drive signal lines, wherein touch-control drive electrode, the in the situation that of touch-control not, can access common electrode signal.
Touch-control drive electrode 12 can adopt the transparent conductive materials such as ITO to make, and preferably can with layer, make with pixel electrode layer.Yet, in order to improve conductive capability, reduce the load of touch-control drive electrode, so that touch-control drive electrode part is unified with the picture of public electrode part, touch-control drive electrode 12 preferably adopts metal material to make.In the situation that touch-control drive electrode 12 adopts metal material to make, in order not affect the light transmission of display panel, touch-control driven element electrode T
xpattern adopt latticed, the network forming by transverse and longitudinal wire arranged in a crossed manner, preferred, the shape and size equal and opposite in direction of described each grid, as shown in Figure 3.
Specifically describe each touch-control driven element electrode T below
xmetal grill pattern.Fig. 5 shows the floor map of array base palte, in order not affect the light transmission of display panel, for each touch-control driven element electrode T
x; wire pattern on its first direction X can be corresponding with the position of the projection of data line on described array base palte; wire pattern on its second direction Y is corresponding with the position of the projection of grid line on described array base palte; thereby can not have influence on the light transmission of display panel; can form be thus arranged in array base palte top, the metal grill pattern as shown in the heavy line of Fig. 5; can increase like this fringe field between each touch-control driven element electrode Tx and touch-control sensing electrode, can also prevent touch-control driven element electrode Tx and pixel electrode short circuit simultaneously.
The utility model further provides a kind of display device, it comprises embedded touch control panel as above, and this display device can be any product or parts with Presentation Function such as mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
By adopting according to the embedded touch control panel of the utility model embodiment and display device, not only can effectively improve the load of touch-control drive electrode and public electrode, thereby raising image quality, and can effectively increase the edge mutual capacitance between touch-control sensing electrode and touch-control drive electrode, reduction, over against electric capacity, improves touch-control sensitivity.
Although described by reference to the accompanying drawings embodiment of the present utility model, but those skilled in the art can make various modifications and variations in the situation that not departing from spirit and scope of the present utility model, and such modification and modification all fall into by within claims limited range.
Claims (13)
1. an embedded touch control panel, comprises array base palte,
Wherein, on described array base palte, comprise common electrode layer and be arranged in described common electrode layer and with many groups touch-control drive electrode of described common electrode layer insulation,
Described embedded touch control panel also comprises touch-control sensing electrode, and described touch-control drive electrode and the insulation of described touch-control sensing electrode crossing arrange.
2. embedded touch control panel according to claim 1, wherein respectively organizing described touch-control drive electrode extends along first direction, each organizes described touch-control sensing electrode along the second direction extension vertical with described first direction, and described in every group, touch-control drive electrode is separated into along described first direction the touch-control driven element electrode that a plurality of size shape are identical.
3. embedded touch control panel according to claim 2, wherein said touch-control driven element electrode be arranged on two groups that are adjacent described between the projection of touch-control sensing electrode on described array base palte.
4. embedded touch control panel according to claim 3, wherein described in each, the width of touch-control driven element electrode is 4mm to 6mm.
5. embedded touch control panel according to claim 4, wherein the spacing between adjacent two described touch-control driven element electrodes is 4 μ m to 8 μ m.
6. embedded touch control panel according to claim 5, wherein described in each, touch-control driven element electrode is set to metal grill pattern.
7. embedded touch control panel according to claim 6, the figure of wherein said metal grill pattern on described first direction is corresponding with the position of the projection of data line on described array base palte, and the figure in described second direction is corresponding with the position of the projection of grid line on described array base palte.
8. embedded touch control panel according to claim 2, is wherein connected by least one touch-control drive signal line electricity with touch-control driven element electrode described in a line.
9. embedded touch control panel according to claim 8, wherein said touch-control drive signal line and described touch-control drive electrode are made with layer, and described touch-control drive signal line and the setting of described touch-control sensing electrode insulation.
10. embedded touch control panel according to claim 1, also comprises the electrode protecting layer being arranged on described touch-control drive electrode.
11. embedded touch control panels according to claim 10, the pixel electrode layer of wherein said electrode protecting layer and described array base palte is made with layer, and is not connected with pixel.
12. according to embedded touch control panel described in any one in claim 1 to 11, and wherein said touch-control drive electrode adopts transparent conductive material or metal material to make.
13. 1 kinds of display device, it comprises according to the embedded touch control panel described in any one in claim 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288671.8U CN203858607U (en) | 2014-05-30 | 2014-05-30 | Embedded touch panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420288671.8U CN203858607U (en) | 2014-05-30 | 2014-05-30 | Embedded touch panel and display device |
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| CN203858607U true CN203858607U (en) | 2014-10-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103995616A (en) * | 2014-05-30 | 2014-08-20 | 京东方科技集团股份有限公司 | Embedded touch panel and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103995616A (en) * | 2014-05-30 | 2014-08-20 | 京东方科技集团股份有限公司 | Embedded touch panel and display device |
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