CN204256697U - Contact panel - Google Patents
Contact panel Download PDFInfo
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- CN204256697U CN204256697U CN201420031381.5U CN201420031381U CN204256697U CN 204256697 U CN204256697 U CN 204256697U CN 201420031381 U CN201420031381 U CN 201420031381U CN 204256697 U CN204256697 U CN 204256697U
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- electrode axis
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Abstract
The utility model discloses a kind of contact panel, include a plurality of along one first axially extended first electrode axis, a plurality of are along this first axially extended second electrode axis, to insulate corresponding setting with those first electrode axis, wherein to comprise a contre electrode and a plurality of size different and be electrically connected the first branch electrodes of this contre electrode for each those second electrode axis, wherein those the first branch electrodes overlaps correspond to one of them those first electrode axis, and a harness wiring district, be arranged at those first electrode axis and those the second electrode axis in this first side axially.By this, under the size of contact panel is fixing, this design can increase the scope of visible area significantly.In addition, the utility model more can design by simplified wiring effectively, and more easily reaches the design on the narrow limit of contact panel, even reaches the design of three limit Rimless.
Description
Technical field
The utility model relates to technical field of touch control, especially a kind of contact panel.
Background technology
In the market of various consumption electronic products now, the portable electronic products such as personal digital assistant (PDA), mobile phone (mobile Phone), notebook computer (notebook) and flat computer (tablet PC) use contact panel (touch panel) as the interface tool of its data communication all widely.In addition, due to current electronic product design all with light, thin for direction, therefore can wish omit as the conventional input device such as keyboard, mouse in the design of product, especially, under the drive of flat computer demand stressing human oriented design, touch panel has suddenly become one of crucial spare part.
Known contact panel X-direction electrode and Y-direction electrode mutually intersect to insulate to arrange, to this, the wire be connected with each electrode stretches out from electrode, and be at least routed at two side peripheral areas that contact panel is adjacent, under the size of contact panel is fixing, area shared by neighboring area is larger, relatively will compress and limit the scope of visible area.
Utility model content
In view of above-mentioned, the utility model passes through improvement and the design of the electrode patterning structure of contact panel, allow the wire of the electrode axis being electrically connected at contact panel be able to the neighboring area of concentric wiring in the single side of contact panel, cabling layout need do not carried out in the two adjacent side peripheral areas of contact panel simultaneously.
According to an embodiment of the present utility model, a kind of contact panel is provided, include a substrate, a plurality of the first electrode axis arranged along a first direction, parallel to each otherly to be arranged on this substrate, and a plurality of second electrode axis arranged along this first direction, to be parallel to each otherly arranged on this substrate, and each this second electrode axis is one-sided, includes the induction block that a plurality of size is different.
In an embodiment of the present utility model, more comprise an insulation course, between this first electrode axis and this second electrode axis.
In an embodiment of the present utility model, wherein the induction block that comprises of each second electrode axis, is arranged in the left and right sides of the second electrode axis respectively.
In an embodiment of the present utility model, wherein along wherein one end of this first direction to the other end, be positioned at respectively this induction block of this second electrode axis wherein side, its area successively decreases from large to small, and being positioned at respectively this induction block of this second electrode axis opposite side, its area increases progressively from small to large.
In an embodiment of the present utility model, wherein each this second electrode axis, corresponds to two these the first electrode axis.
In an embodiment of the present utility model, wherein more comprise plural wires, wherein one end is electrically connected respectively this first electrode axis and this second electrode axis.
In an embodiment of the present utility model, wherein respectively the other end of this wire concentrates on the wire concentration zones be positioned on substrate.
In an embodiment of the present utility model, wherein this wire concentration zones is only arranged along the inner side wherein of this substrate.
By this, contact panel provided by the utility model is after electrode patterning structure improvement, because each electrode axis designs all along the same axis, therefore wire can be routed at the neighboring area of the single side of contact panel, two side peripheral areas that contact panel is adjacent can not be taken simultaneously, under the size of contact panel is fixing, significantly can increase the scope of visible area.In addition, the utility model more can design by simplified wiring effectively, and more easily reaches the design on the narrow limit of contact panel.
Accompanying drawing explanation
Fig. 1 shows the structural representation of the contact panel of the utility model one embodiment.
Fig. 2 shows the structural representation of the first electrode axis of the utility model one embodiment.
Fig. 3 shows the structural representation of the second electrode axis of the utility model one embodiment.
Fig. 4 display is along an embodiment diagrammatic cross-section of A-A ' profile line in Fig. 1.
Fig. 5 display is along another embodiment diagrammatic cross-section of A-A ' profile line in Fig. 1.
Fig. 6 display is along an embodiment diagrammatic cross-section again of A-A ' profile line in Fig. 1.
Fig. 7 shows the structural representation of the contact panel of another embodiment of the utility model.
Fig. 8 shows the structural representation of the second electrode axis of another embodiment of the utility model.
Embodiment
The assembly drawn in accompanying drawing corresponding to following embodiment is only the use of signal, and its quantity, size with the restriction that is depicted as in scheming, can not adjust according to actual demand.
Please refer to Fig. 1, Fig. 2 and Fig. 3, it shows the structural representation of the contact panel of the utility model one embodiment and the first electrode axis wherein and the second electrode axis respectively.The contact panel 1 of the present embodiment comprise a plurality of along one first axially (being such as Y-axis) extend first electrode axis 10, a plurality of are along the first axially extended second electrode axis 20 and harness wiring district 50.Second electrode axis 20 and the first electrode axis 10 insulate corresponding setting, and it is different and be electrically connected the first branch electrodes 22a of contre electrode 21 that each second electrode axis 20 comprises a contre electrode 21 and a plurality of size, and wherein the first branch electrodes 22a overlap corresponds to one of them first electrode axis 10.In addition, harness wiring district 50 is arranged at the first electrode axis 10 and the second electrode axis 20 in the first side axially.In design, the region that the first electrode axis 10 and the second electrode axis 20 are formed is a Touch Zone, usually namely belongs to a visible area V of contact panel 1, and harness wiring district 50 is then the non-visible area NV being positioned at contact panel 1.
More specifically, first electrode axis 10 of the present embodiment presents a strip haply, and the first electrode axis 10 axially extends along first and is spaced in parallel to each other each other.The contre electrode 21 of the second electrode axis 20 extends along first direction, and contre electrode 21 is the intervals corresponded between two adjacent the first electrode axis 10 arranges, and in other words, contre electrode 21 correspondence is between adjacent two the first electrode axis 10.First branch electrodes 22a of the second electrode axis 20 is for substrate is along one second axially (such as X axis) extension with contre electrode 21, to be configured to a zigzag pattern, if overlook visual angle from Fig. 1 and Fig. 3, the first branch electrodes 22a of the present embodiment such as unifies to extend along the second left direction axially, certain actual design is not limited only to this, first branch electrodes 22a of each the second electrode axis 20 can need according to graphic designs and extend along the second different directions axially, as long as the present embodiment allows the first branch electrodes 22a of same second electrode axis 20 be able to overlap completely correspond to same first electrode axis 10.In addition, the shape of the first branch electrodes 22a is be designed to rectangle in the present embodiment, in other embodiments, also can be designed to as shapes such as circle, triangle, polygons, there is no limited at this.
All first branch electrodes 22a of each second electrode axis 20 of the present embodiment have different sizes, and are according to size sequential.For above the Y-axis shown on Fig. 3 to Y-axis, from top to bottom sequential from large to small by the area of all first branch electrodes 22a of Article 1 second electrode axis 20 counted on the left of Fig. 3, that is, Article 1, in the second electrode axis 20, the first branch electrodes 22a being arranged in more below has less area.Moreover, then from top to bottom sequential from small to large by the area of all first branch electrodes 22a of Article 2 second electrode axis 20 counted on the left of Fig. 3, that is, in Article 2 second electrode axis 20, the first branch electrodes 22a being arranged in more below has larger area.And then, based on the pattern of Article 1 second electrode axis 20 and Article 2 second electrode axis 20, analogize down the design that can be formed the second electrode axis 20 that the present embodiment is arranged parallel to each other.In other embodiments, Article 1, the arrangement of the second electrode axis 20 and Article 2 second electrode axis 20 can be just contrary, allow the area of all first branch electrodes 22a of Article 1 second electrode axis 20 be from top to bottom sequential from small to large, and the area of all first branch electrodes 22a of Article 2 second electrode axis 20 is from top to bottom sequential from large to small.
In addition, the contact panel 1 of the present embodiment more includes plural wires 40.Wire 40 is arranged at harness wiring district 50, and is electrically connected the first electrode axis 10 and the second electrode axis 20, in order to transmit the first electrode axis 10 and the signal between the second electrode axis 20 and the processor of rear end.It should be noted that the harness wiring district 50 of this enforcement only can be arranged on the first electrode axis 10 and the second electrode axis 20 in the first side axially because the first electrode axis 10 and the second electrode axis 20 extend all along the same axis.For Fig. 1, harness wiring district 50 is only arranged at the side of top of the first electrode axis 10 and the second electrode axis 20 extended along Y-axis in figure, that is, non-visible area NV only needs to design the side of the top of the visible area V being positioned at the first electrode axis 10 and the second electrode axis 20 place, and does not need to design at two of visible area V adjacent sides simultaneously.Thus, the contact panel 1 of the present embodiment significantly can increase the scope of visible area V, and relative also just can reach the narrow frame of contact panel 1, or even reaches three limit Rimless designs.
In addition, the contact panel 1 of the present embodiment more comprises a substrate 100, be used for carrying first electrode axis 10 and the second electrode axis 20 at least one of them.Below be then arrange in pairs or groups sectional view further to be described the rhythmo structure of contact panel 1.
Framework please based on Fig. 1 consults Fig. 4, shows the embodiment diagrammatic cross-section along A-A' profile line in Fig. 1.As shown in Figure 4, first electrode axis 10 of the present embodiment and the second electrode axis 20 are the relative both sides being formed at substrate 100, more specifically, first electrode axis 10 is the lower surfaces being formed at substrate 100, second electrode axis 20 is the upper surface being formed at substrate 100, allows the first electrode axis 10 and the second electrode axis 20 be to be insulated setting by substrate 100.
Framework please based on Fig. 1 consults Fig. 5, shows another embodiment diagrammatic cross-section along A-A' profile line in Fig. 1.The present embodiment is one of them that the first electrode axis 10 and the second electrode axis 20 be described is be formed on substrate 100, and Fig. 5 is formed on substrate 100 with the first electrode axis 10 to illustrate.Wherein, the contact panel 1 of the present embodiment more comprises an insulation course 30, is arranged in the first electrode axis 10, forms the second electrode axis 20 more afterwards on insulation course 30, and the first electrode axis 10 and the second electrode axis 20 to be insulated setting by insulation course 30 by this.Wherein, insulation course 30 can be such as an optical cement, in other words, second electrode axis 20 is except can be formed directly on insulation course 30 as shown in this embodiment, in another embodiment, second electrode axis 20 can be first be formed on another base material, and then fits in the first electrode axis 10 by the insulation course 30 of optical cement again.
Framework please based on Fig. 1 consults Fig. 6, shows the embodiment diagrammatic cross-section again along A-A' profile line in Fig. 1.The framework of the present embodiment is roughly identical with the embodiment of Fig. 5; discrepancy is; the substrate 100 of the present embodiment is such as a strengthening substrate, except being used for except carrying first electrode axis 10 and the second electrode axis 20, more can providing the effect of protection first electrode axis 10 and the second electrode axis 20.In addition, the contact panel 1 of the present embodiment more comprises a shielding layer 60, is formed at the surface of substrate 100, is used for defining the non-visible area NV of contact panel 1.Thus, the surface that harness wiring district 50 is arranged on shielding layer 60 is positioned at non-visible area NV with correspondence.
Supplementary notes, in the rhythmo structure of the contact panel 1 shown in earlier figures 4 ~ 6, the description of the upper-lower position of the first electrode axis 10 and the second electrode axis 20 is only used to represent relative position relation, is not used for limiting the utility model.
Please refer to Fig. 7 and Fig. 8, show the contact panel of another embodiment of the utility model and the structural representation of the second electrode axis wherein respectively.Need first illustrate, the first electrode axis 10 of the contact panel 1 ' of the present embodiment is the shape style adopting the first electrode axis 10 shown in Fig. 2, is therefore next just no longer described.The structure of the contact panel 1 ' of the present embodiment is roughly identical with the contact panel of Fig. 1, discrepancy is, the design of overlapping corresponding first electrode axis 10 of the second electrode axis 20 ' of the present embodiment, each second electrode axis 20 ' of the present embodiment is overlapping corresponding to two adjacent the first electrode axis 10.
More specifically, each second electrode axis 20' of the present embodiment comprise contre electrode 21, a plurality of size different and be electrically connected the first branch electrodes 22a of contre electrode 21 and a plurality of size different and be electrically connected the second branch electrodes 22b of contre electrode 21.Wherein, the first branch electrodes 22a and the second branch electrodes 22b is the relative both sides being positioned at contre electrode 21, and overlapping corresponding to two adjacent the first electrode axis 10.In other words, first branch electrodes 22a and the second branch electrodes 22b be with contre electrode 21 for substrate and respectively along second axially relative two directions extend, such as extend towards left during the first branch electrodes 22a, the second branch electrodes 22b extends towards right.
In addition, first branch electrodes 22a of each the second electrode axis 20 ' of the present embodiment and the second branch electrodes 22b be contrary according to the mode of area sequential, in other words, suppose that the area of the first branch electrodes 22a is from top to bottom sequential from large to small, the area of the second branch electrodes 22b is then from top to bottom sequential from small to large, on the contrary also with.
The first electrode axis 10 and the second electrode axis 20 mentioned in previous embodiment, the material of 20 ' can comprise electrically conducting transparent material, such as, be such as, tin indium oxide (indium tin oxide, ITO), indium zinc oxide (indiumzinc oxide, IZO), cadmium tin (cadmium tin oxide, CTO), aluminum zinc oxide (aluminum zincoxide, AZO), indium oxide zinc-tin (indium tin zinc oxide, ITZO), zinc paste (zinc oxide), cadmium oxide (cadmium oxide), hafnia (hafnium oxide, HfO), indium oxide gallium zinc (indium gallium zincoxide, InGaZnO), indium oxide gallium zinc-magnesium (indium gallium zinc magnesium oxide, InGaZnMgO), indium oxide gallium magnesium (indium gallium magnesium oxide, InGaMgO), indium oxide gallium aluminium (indium gallium aluminum oxide, InGaAlO), Graphene (Graphene), Nai meter Yin line (Ag nanowire) or carbon nanotube (Carbon nanotubes, CNT) etc., but be not limited to this.
Next the method for sensing of the utility model contact panel is described, the framework of the contact panel 1,1 ' of foundation earlier figures 1 and Fig. 7, when back-end processor of arranging in pairs or groups operates, usual first electrode axis 10 is designed to sensing electrode axle, and the second electrode axis 20,20 ' is then be designed to drive electrode axle.In addition, contact panel 1, the 1 ' difference operationally of Fig. 1 and Fig. 7 is just that the contact panel 1 of Fig. 1 is sensed by a drive electrode axle sensing electrode axle of arranging in pairs or groups, the contact panel 1 ' of Fig. 7 is then sensed by a drive electrode axle two sensing electrode axles of arranging in pairs or groups, for convenience of description, described below sensing mode just represents explanation for the contact panel 1 ' of Fig. 7.
Because actual electrode axis size is trickle more than touch object (as finger), and in order to the sensing design that more can meet processor, be preferably two first electrode axis 10 of arranging in pairs or groups with second electrode axis 20 ' in one embodiment and be one group and carry out calculus of differences.Those skilled in the art can understand, when user touches contact panel 1 ', the second electrode axis 20 ' corresponding to touch points and the coupling capacitance between the first electrode axis 10 will produce a capacitance variations value, are that capacitance variations value ratio between one group can calculate actual touch points position by judging by two the first electrode axis 10.Wherein, the first branch electrodes 22a corresponding to capacitance variations value and touch points or the size of the second branch electrodes 22b proportional, therefore in design, article one, the linear changing relation that the first branch electrodes 22a carrying out sequential according to area in the second electrode axis 20 ' can design as far as possible and reflects from large to small (or from small to large), the linear changing relation that the second branch electrodes 22b carrying out sequential according to area then reflects one from small to large designing (or from large to small), uses and is supplied to processor preferably calculus of differences.
During actual operation, processor produces drive singal to the second electrode axis 20'(drive electrode axle), when touch points produces, it is which bar or which bar first electrode axis 10 have generation capacitance variations and learn it is correspond to which bar second electrode axis 20 ' that processor is able to foundation, thus can judge the X-axis coordinate of touch points.Then, mention that the present embodiment designs based on calculus of differences due to aforementioned, therefore processor receive corresponding to touch points one group (two) first electrode axis 10 signal after, just can calculate the Y-axis coordinate of touch points according to the proportional difference between a signal (corresponding second branch electrodes 22b) that to be the signal (corresponding first branch electrodes 22a) that changes from large to small and be changes from small to large.
With the touch points P in Fig. 7 for example, when touch points P occurs, on the left of Fig. 7, count Article 1 and Article 2 first electrode axis 10 can reflect maximum capacitance variations, therefore processor is able to the X-axis coordinate judging touch points P from Article 1 second electrode axis 20 ' corresponding to Article 1 and Article 2 first electrode axis 10.On the other hand, due to the design because of contrary linear change between Article 1 and Article 2 first electrode axis 10, Article 1 first electrode axis 10 corresponding to touch points P and the coupling capacitance between the first branch electrodes 22a, and the coupling capacitance between Article 2 first electrode axis 10 and the second branch electrodes 22b will have the difference of a special ratios, processor just can calculate the Y-axis coordinate of touch points P according to the difference of described special ratios.Further, when contact panel 1' occurs multiple touch points simultaneously, the sensing based on mentioned single point judges principle, then can realize multiple spot judgement by processor for the mistiming that sensing samples.
In sum, contact panel of the present utility model all designs along same axis due to each electrode axis, therefore wire only can be routed at the neighboring area of the single side of visible area, corresponding also only needs arranges single side shielding layer to form non-visible area, under the size of contact panel is fixing, this design can increase the scope of visible area significantly.In addition, the utility model more can design by simplified wiring effectively, and more easily reaches the design on the narrow limit of contact panel, even reaches the design of three limit Rimless.
The foregoing is only the preferred embodiment of the utility model, all equalizations done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model.
Claims (16)
1. a contact panel, is characterized in that, comprises:
A plurality of are along one first axially extended first electrode axis;
A plurality of are along this first axially extended second electrode axis, to insulate corresponding setting with those first electrode axis, wherein to comprise a contre electrode and a plurality of size different and be electrically connected the first branch electrodes of this contre electrode for each those second electrode axis, and wherein those first branch electrodes overlaps correspond to one of them those first electrode axis; And
One harness wiring district, is arranged at those first electrode axis and those the second electrode axis in this first side axially.
2. contact panel according to claim 1, is characterized in that, more comprises plural wires, is arranged at this harness wiring district, and is electrically connected those first electrode axis and those the second electrode axis.
3. contact panel according to claim 1, is characterized in that, the interval that this contre electrode corresponds between two adjacent these the first electrode axis is arranged.
4. contact panel according to claim 1, is characterized in that, those first branch electrodes of each those the second electrode axis are according to size sequential.
5. contact panel according to claim 1, is characterized in that, those first branch electrodes are for substrate axially extends along one second with this contre electrode.
6. contact panel according to claim 1, is characterized in that, each those the second electrode axis overlap corresponds to two adjacent these the first electrode axis.
7. contact panel according to claim 6, it is characterized in that, each those second electrode axis more comprises a plurality of size difference and is electrically connected the second branch electrodes of this contre electrode, wherein those second branch electrodes and those the first branch electrodes are positioned at the relative both sides of this contre electrode, and overlapping corresponding to two adjacent these the first electrode axis.
8. contact panel according to claim 7, it is characterized in that, along wherein one end of this first axis to the other end, those first branch electrodes of its each those the second electrode axis are according to area sequential from large to small, and those second branch electrodes are according to area sequential from small to large.
9. contact panel according to claim 7, is characterized in that, this first branch electrodes and this second branch electrodes be with this contre electrode for substrate and respectively along one second axially relative two directions extend.
10. contact panel according to claim 1, is characterized in that, more comprises a substrate, carry this first electrode axis and this second electrode axis at least one of them.
11. contact panels according to claim 10, is characterized in that, this first electrode axis and this second electrode axis are the relative both sides being formed at this substrate.
12. contact panels according to claim 10, is characterized in that, one of them of this first electrode axis and this second electrode axis is formed on this substrate, and this first electrode axis and this second electrode axis to insulate setting further by an insulation course.
13. contact panels according to claim 12, is characterized in that, this insulation course is an optical cement.
14. contact panels according to claim 10, is characterized in that, this substrate is a strengthening substrate.
15. contact panels according to claim 14, is characterized in that, more comprise a shielding layer, are formed at the surface of this substrate, are used for defining a non-visible area of this contact panel.
16. contact panels according to claim 15, is characterized in that, the surface that this harness wiring district is arranged at this shielding layer is positioned at this non-visible area with correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420031381.5U CN204256697U (en) | 2014-01-15 | 2014-01-15 | Contact panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420031381.5U CN204256697U (en) | 2014-01-15 | 2014-01-15 | Contact panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204256697U true CN204256697U (en) | 2015-04-08 |
Family
ID=52960983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420031381.5U Expired - Fee Related CN204256697U (en) | 2014-01-15 | 2014-01-15 | Contact panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204256697U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777926A (en) * | 2014-01-15 | 2015-07-15 | 宝宸（厦门）光学科技有限公司 | Touch panel |
| WO2016201891A1 (en) * | 2015-06-15 | 2016-12-22 | 京东方科技集团股份有限公司 | Touch control substrate and preparation method therefor, and display apparatus |
| US9996188B2 (en) | 2015-06-15 | 2018-06-12 | Boe Technology Group Co., Ltd. | Touch substrate and fabrication method thereof and display apparatus |
-
2014
- 2014-01-15 CN CN201420031381.5U patent/CN204256697U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777926A (en) * | 2014-01-15 | 2015-07-15 | 宝宸（厦门）光学科技有限公司 | Touch panel |
| CN104777926B (en) * | 2014-01-15 | 2018-01-23 | 宝宸（厦门）光学科技有限公司 | Contact panel |
| WO2016201891A1 (en) * | 2015-06-15 | 2016-12-22 | 京东方科技集团股份有限公司 | Touch control substrate and preparation method therefor, and display apparatus |
| US9996188B2 (en) | 2015-06-15 | 2018-06-12 | Boe Technology Group Co., Ltd. | Touch substrate and fabrication method thereof and display apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20220115 |