CN102855043A - Multi-point identification capacitor screen with single conducting layer - Google Patents
Multi-point identification capacitor screen with single conducting layer Download PDFInfo
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- CN102855043A CN102855043A CN2012103206312A CN201210320631A CN102855043A CN 102855043 A CN102855043 A CN 102855043A CN 2012103206312 A CN2012103206312 A CN 2012103206312A CN 201210320631 A CN201210320631 A CN 201210320631A CN 102855043 A CN102855043 A CN 102855043A
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Abstract
The embodiment of the invention discloses a multi-point identification capacitor screen with a single conducting layer. The multi-point identification capacitor screen comprises a plurality of vertical and/or horizontal electrode groups, wherein each electrode group comprises a corresponding direction edge electrode group and a corresponding direction middle electrode group; the corresponding direction edge electrode group comprises a plurality of edge block electrode groups connected with an IO (input/output) port of an IC (integrated circuit) layer of the single-conducting layer touch screen; the corresponding direction middle electrode group comprises a plurality of middle block electrode groups which are respectively connected with the IO port of the IC layer of the single-conducting layer touch screen, and the electrodes of the adjacent edge block electrode groups and the electrodes of the middle block electrode groups are arranged in a complementary manner, and the electrodes of the adjacent middle block electrode groups are also arranged in a complementary manner. The defect that the single-conducting layer touch screen cannot carry out multi-point identification in the prior art is improved, and the technical defects of complicated manufacture technology and high cost of the dual-conducting-layer capacitor screen are overcome.
Description
Technical field
The present invention relates to touch-screen manufacturing technology field, more particularly, relate to a kind of single conductive layer multiple spot identification capacitance plate.
Background technology
Capacitance plate is the screen type that emerged rapidly after both touch screens had been used, and is widely used in mobile phone and mobile internet device MID.Existing capacitance plate mainly contains single-point touches and adds application form and the multiple point touching application form that gesture touches:
Its capacitance plate of application form that adds the gesture touch for single-point touches is that a pair of triangle substrate forms the detecting unit 10(of unit as shown in Figure 1), determine the position of touch by the capacitance change that detects described unit detecting unit 10, described capacitance plate structurally is provided with one deck conductive layer as sensing unit, it is comparatively simple from production procedure that this kind individual layer conductive layer forms sensing unit, but can not satisfy the application demand of growing multiple point touching; Its capacitance plate of the application form of described multiple point touching consists of (shown in Fig. 2 a) for the array electrode that intersects, when a plurality of finger touch during to described touch-screen surperficial, determine position of touch by near the capacitance change the detection arrays node, shown in Fig. 2 b, need to carry out insulation course 20 arranges at the electrode crossing place, described insulation course consists of the bridge architecture that electrode links to each other except infall, and comparatively complexity and cost are higher from production procedure for this kind structure.
As from the foregoing, the capacitance touch screen of existing individual layer conductive layer exists single-point touches to add gesture, and to touch capacitance plate simple in structure but can not realize multiple point touching, and the high problem of multiple point touching complex structure production cost, so need a kind of individual layer condenser type multi-point touch panel of simple in structure and low production cost badly.
Summary of the invention
In view of this, the invention provides a kind of single conductive layer multiple spot identification capacitance plate, to realize the simple purpose with low cost of manufacturing structure.
A kind of single conductive layer multiple spot identification capacitance plate comprises:
A plurality of vertical and/or a plurality of transverse electrode groups, described electrode group comprises: corresponding to edge electrodes group and corresponding to the target group;
Correspondence comprises to the edge electrodes group: a plurality of marginal block electrode groups that are connected with the IC layer IO port of single conductive layer touch-screen respectively;
Correspondence comprises to the target group: a plurality of mesozones cube electrode group that is connected with the IC layer IO port of single conductive layer touch-screen respectively;
Between the electrode of adjacent marginal block electrode group and the electrode of mesozone cube electrode group, and be complementary arrangement between the electrode of adjacent mesozone cube electrode group.
In order to improve such scheme, described marginal block electrode group comprises: the consistent triangular-shaped electrodes of a plurality of shapes that is of coupled connections, described mesozone cube electrode group comprises: the rhombus electrode that a plurality of shapes that are of coupled connections are consistent.
In order to improve such scheme, described marginal block electrode group comprises: the trapezoidal electrode that a plurality of shapes that are of coupled connections are consistent, described mesozone cube electrode group comprises: the class rhombus electrode that a plurality of shapes that are of coupled connections are consistent.
In order to improve such scheme, corresponding is one or two to target group number.
In order to improve such scheme, described capacitance plate is comprised of a plurality of transverse electrode groups:
The tie point of the IC layer IO port of described a plurality of transverse electrode group and described single conductive layer touch-screen is arranged in this list conductive layer multiple spot identification capacitance plate upper end;
The connecting line of the IC layer IO port of described a plurality of transverse electrode group and described single conductive layer touch-screen is arranged between the adjacent marginal block electrode group and between the adjacent mesozone cube electrode group.
Can find out from above-mentioned technical scheme, the embodiment of the invention should the list conductive layer multi-point touch panel by vertical and/or horizontal electrode group was set, Further Division is block electrode group in the described electrode group, only having under the touch-screen applications scene of single conductive layer, situation for multiple point touching is carried out the location, touch point according to modes such as block electrode group capacitance change summations, improved the defective that single capacitor conductive layer screen can not carry out multiple spot identification in the prior art, and dual electric layer capacitance plate complex manufacturing technology, the technical disadvantages that cost is high have been overcome.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is single conductive layer multiple spot identification capacitance plate structural representation in the prior art disclosed by the invention;
Fig. 2 a is dual electric layer multiple spot identification capacitance plate structural representation in the prior art disclosed by the invention;
Fig. 2 b is dual electric layer multiple spot identification capacitance plate structural representation in the prior art disclosed by the invention;
Fig. 3 a is the disclosed a kind of single conductive layer multiple spot identification capacitance plate structural representation of the embodiment of the invention;
Fig. 3 b is the disclosed a kind of single conductive layer multiple spot identification capacitance plate of embodiment of the invention location schematic diagram;
Fig. 3 c is the disclosed a kind of single conductive layer multiple spot identification capacitance plate structural representation of the embodiment of the invention;
Fig. 4 is the disclosed a kind of single conductive layer multiple spot identification capacitance plate structural representation of further embodiment of this invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the invention discloses a kind of single conductive layer multiple spot identification capacitance plate, to realize the simple purpose with low cost of manufacturing structure.
Fig. 3 a shows a kind of single conductive layer multiple spot identification capacitance plate, comprising:
Be 4 shown in a plurality of longitudinal electrode group 1(figure), described electrode group 1 comprises: corresponding to two of edge electrodes group 2() and corresponding to two of target group 3();
Correspondence comprises to edge electrodes group 2: a plurality of marginal block electrode groups 21 that are connected with the IC layer IO port of single conductive layer touch-screen respectively;
Correspondence comprises to target group 3: a plurality of mesozones cube electrode group 31 that is connected with the IC layer IO port of single conductive layer touch-screen respectively;
Between the electrode 211 of adjacent marginal block electrode group 21 and the electrode 311 of mesozone cube electrode group 31, and only illustrate one among the electrode 311(figure of adjacent mesozone cube electrode group, illustrate used, the sign meaning be not limited to this electrode) between be complementary arrangement.
Describedly be complementary arrangement and refer to, adjacent electrode tip is complementary, comprehensive to reach the location coverage rate, the touch point coordinate Calculation is purpose accurately, that is to say, the form of the triangle in the present embodiment and the complementary arrangement of rhombus is not unique, can be the complementary arrangement of triangle and triangular-shaped electrodes yet;
The electrode shape of selecting can be larger for a lateral area, one lateral area is less, make up arbitrarily such as triangle, trapezoidal or rhombus, described complementary arrangement comprises the complementary arrangement of two less lateral areas of electrode and/or the complementary arrangement of two larger lateral areas of electrode.
As shown in the figure, described marginal block electrode group 21 comprises: the triangular-shaped electrodes 211 that a plurality of shapes that are of coupled connections are consistent, described mesozone cube electrode group 31 comprises: the rhombus electrode 311 that a plurality of shapes that are of coupled connections are consistent.
Other is pointed out that, in the adjacent mesozone cube electrode group of illustrated mesozone cube electrode group 31, comprises the triangular-shaped electrodes that is of coupled connections and the combination of rhombus electrode.
For the positioning principle of described single conductive layer multiple spot identification capacitance plate is described, describe with reference to Fig. 3 b:
N1, N2, N3, N4, N5, N6, N7, N8 represent respectively different block electrode groups, are connected with the I/O port of touch-control IC respectively.
N1, N4, N5, N8 are respectively the compound polygon that one or more little triangles, the polygon such as trapezoidal are combined into, i.e. marginal block electrode group;
N2, N3, N6, N7 are respectively the compound polygon that the polygonal shape of a plurality of rhombuses or a plurality of similar rhombus (tip is level and smooth) is combined into, i.e. mesozone cube electrode group;
The form of mesozone cube electrode group can be the combination such as the rhombus electrode that indicates among Fig. 3 a, also can be the combination of triangle and rhombus, as long as arrange with described fringe region electrode group is complementary.
N1, N2, N3, N4 block electrode group consist of delegation, and N5, N6, N7, N8 block electrode group consist of other delegation.
Shown in Fig. 3 b, when having detected two touch points (Finger1 and Finger2) when dropping on the touch-screen, by detecting the capacitance change of N1, N2, N5, N6 electrode, by comparison N1, N2 capacitance change sum and N5, N6 capacitance change sum, can determine the Y coordinate of Finger1 again;
By comparison N1, N5 capacitance change sum and N2, N6 capacitance change sum, the X coordinate of Finger1 can be determined simultaneously, the actual coordinate of Finger1 can be identified.The actual position coordinate of same Finger2 also can be determined by the capacitance variations the relationship between quantities of N3, N4, N7, N8.
Because each touch point is to calculate identification by different block electrode groups, so touch-screen can identify the position of different finger touch.Certainly in the actual application, can be by the physical size size of middle block electrode group (for example N2, N3, N6, N7 among Fig. 3 b) on the adjustment touch-screen and the usage quantity of target (for example upper N2, N3 of figure, N6, N7), the demand of the pinpoint accuracy of the number of the finger that realization is identified and finger identification.
It needs to be noted, above-mentioned mode about the touch point coordinate Calculation is not limited to above-mentioned form.
Shown in Fig. 3 c, Fig. 3 a-Fig. 3 b describes to the situation of target group quantity as two take correspondence, what can know by inference is, target group quantity shown in Fig. 3 c is one situation, also can carry out according to the coordinate Calculation mode of above-mentioned touch point, yet described correspondence is set number to the quantity of target group according to screen actual size and applicable cases, is not limited to one or two way of realization.
Fig. 4 shows another single conductive layer multiple spot identification capacitance plate, in this embodiment, the direction of described electrode group 1 is horizontal, the way of realization of 3 transverse electrode groups namely, as shown in the figure, the tie point of the IC layer IO port of described a plurality of transverse electrode group and described single conductive layer touch-screen is arranged in this list conductive layer multiple spot identification capacitance plate upper end;
The connecting line of the IC layer IO port of described a plurality of transverse electrode group and described single conductive layer touch-screen is arranged between the adjacent marginal block electrode group and between the adjacent mesozone cube electrode group.This kind way of realization can reduce vertical frame of touch-screen.
Need to prove, described transverse electrode group can be combined in the same capacitance plate with the longitudinal electrode group and occur, and is not limited to single use.
For the consideration of improving the multiple spot identification capacitance plate structure in Fig. 3 a-c diagram, described marginal block electrode group comprises: the trapezoidal electrode that a plurality of shapes that are of coupled connections are consistent, described mesozone cube electrode group comprises: the class rhombus electrode that a plurality of shapes that are of coupled connections are consistent, same structure and coordinate setting principle repeat no more, referring to Fig. 3 a-c diagram and corresponding explanation thereof.
In sum:
The embodiment of the invention should the list conductive layer multi-point touch panel by vertical and/or horizontal electrode group was set, Further Division is block electrode group in the described electrode group, only having under the touch-screen applications scene of single conductive layer, situation for multiple point touching is carried out the location, touch point according to modes such as block electrode group capacitance change summations, improved the defective that single capacitor conductive layer screen can not carry out multiple spot identification in the prior art, and dual electric layer capacitance plate complex manufacturing technology, the technical disadvantages that cost is high have been overcome.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation of the spirit or scope that do not break away from the embodiment of the invention, realize in other embodiments.Therefore, the embodiment of the invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a single conductive layer multiple spot identification capacitance plate is characterized in that, comprising:
A plurality of vertical and/or a plurality of transverse electrode groups, described electrode group comprises: corresponding to edge electrodes group and corresponding to the target group;
Correspondence comprises to the edge electrodes group: a plurality of marginal block electrode groups that are connected with the IC layer IO port of single conductive layer touch-screen respectively;
Correspondence comprises to the target group: a plurality of mesozones cube electrode group that is connected with the IC layer IO port of single conductive layer touch-screen respectively;
Between the electrode of adjacent marginal block electrode group and the electrode of mesozone cube electrode group, and be complementary arrangement between the electrode of adjacent mesozone cube electrode group.
2. single conductive layer multiple spot as claimed in claim 1 is identified capacitance plate, it is characterized in that, described marginal block electrode group comprises: the consistent triangular-shaped electrodes of a plurality of shapes that is of coupled connections, described mesozone cube electrode group comprises: the rhombus electrode that a plurality of shapes that are of coupled connections are consistent.
3. single conductive layer multiple spot as claimed in claim 1 is identified capacitance plate, it is characterized in that, described marginal block electrode group comprises: the trapezoidal electrode that a plurality of shapes that are of coupled connections are consistent, described mesozone cube electrode group comprises: the class rhombus electrode that a plurality of shapes that are of coupled connections are consistent.
4. single conductive layer multiple spot identification capacitance plate as claimed in claim 1 is characterized in that, corresponding is one or two to target group number.
5. single conductive layer multiple spot identification capacitance plate as claimed in claim 1 is characterized in that, is comprised of a plurality of transverse electrode groups:
The tie point of the IC layer IO port of described a plurality of transverse electrode group and described single conductive layer touch-screen is arranged in this list conductive layer multiple spot identification capacitance plate upper end;
The connecting line of the IC layer IO port of described a plurality of transverse electrode group and described single conductive layer touch-screen is arranged between the adjacent marginal block electrode group and between the adjacent mesozone cube electrode group.
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| CN201210320631.2A CN102855043B (en) | 2012-08-31 | 2012-08-31 | A kind of single conductive layer multi-point identification capacitor screen |
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| WO2014176902A1 (en) * | 2013-05-02 | 2014-11-06 | 京东方科技集团股份有限公司 | Touch control electrode and manufacturing method therefor, capacitive touch control device and touch display device |
| CN106293295A (en) * | 2016-08-11 | 2017-01-04 | 京东方科技集团股份有限公司 | Touch base plate, display floater and display device |
| TWI585651B (en) * | 2015-07-06 | 2017-06-01 | Ｇ２觸控股份有限公司 | Touch panel having high resolution |
| WO2018006500A1 (en) * | 2016-07-03 | 2018-01-11 | 深圳贝特莱电子科技股份有限公司 | Functional single-layer multi-point touch sheet and method for acquiring touch coordinates |
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| CN102855043B (en) | 2016-02-03 |
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