CN103543895A - Electrode device of touch screen and mutual capacitance touch screen using electrode device - Google Patents
Electrode device of touch screen and mutual capacitance touch screen using electrode device Download PDFInfo
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- CN103543895A CN103543895A CN201310460467.XA CN201310460467A CN103543895A CN 103543895 A CN103543895 A CN 103543895A CN 201310460467 A CN201310460467 A CN 201310460467A CN 103543895 A CN103543895 A CN 103543895A
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Abstract
The invention discloses an electrode device of a projection type mutual capacitance touch screen. The electrode device comprises an excitation array, an induction array and an anti-suspending array. The anti-suspending array and the excitation array and/or the induction array are in the same plane, the excitation array is connected with a transmitting end of a controller of the touch screen, the induction array is connected with a receiving end of the controller of the touch screen, and the anti-suspending array is connected with a low-resistance end of the controller of the touch screen. The invention discloses the projection type mutual capacitance touch screen using the electrode device. The touch screen comprises the electrode device, a substrate layer, an optical adhesive layer, a surface covering layer, the transmitting end of the controller of the touch screen, the receiving end of the controller of the touch screen and the low-resistance end of the controller of the touch screen. Because an anti-suspending electrode is additionally arranged in the electrode device, compared with a traditional touch screen without an anti-suspending electrode, the touch screen is improved in touch sensitivity in suspension and can shield crosstalk between an excitation unit and an induction unit which do not correspond to each other, and thus the anti-interference capacity of a touch screen system is improved.
Description
Technical field
The present invention relates to touch screen technology field, especially a kind of mutual capacitance touchscreens that can improve the projection-type mutual capacitance touchscreens electrode assembly of unsettled effect and use this electrode assembly, this touch-screen be take capacitor element as medium, for the touch information of the touching device of human body or special use being converted to the electric signal of its touch location.
Background technology
Now the touch-screen of main flow has a lot of different principles that realize, and comprises surface acoustic wave touch screen, infrared touch panel, resistive touch screen, surface capacitance type touch screen, projected capacitive touch screen etc.And projected capacitive touch screen is divided into two types of self-capacitance and mutual capacitance touchscreens: be made into laterally and electrod-array longitudinally with transparent conductive material in glass or other interface surface, these horizontal and vertical electrodes form electric capacity with ground respectively, and this electric capacity is exactly usually said self-capacitance; And mutual capacitance is the formed electric capacity in place horizontal, that longitudinally two arrays of electrodes intersects, and this two arrays of electrodes has formed respectively the two poles of the earth of electric capacity, when the touching device of human body or special use touches capacitance plate, it has affected the coupling between near two electrodes in touch point, thereby has changed the electric capacity between two electrodes.When detecting mutual capacitance size, the electrode of one of them direction sends pumping signal, the electrode of another direction receives signal, can obtain like this capacitance of all both direction electrode joints, it is the capacitance size of the two dimensional surface of whole touch-screen, according to the data of this two dimensional surface capacitance change of touch-screen, just can calculate accurately the true coordinate of each touch point, therefore it can realize multiple point touching.
The existing projection-type mutual capacitance touchscreens electrode assembly of take is example, and as shown in Figure 1, the arrangement mode of its induction electrode as shown in Figure 2 for the arrangement mode of its exciting electrode.The spatially mutually orthogonal arrangement of exciting electrode and induction electrode is simultaneously without being electrically connected to, one end of exciting electrode is connected with the transmitting terminal of touch screen controller, one end of induction electrode is connected with the receiving end of touch screen controller, jointly forms projection-type mutual capacitance touchscreens electrode assembly, as shown in Figure 3.The capacitance variations that finger causes while touching on this capacitance touch screen as shown in Figure 4, for existing projection-type mutual capacitance touchscreens, between exciting electrode and induction electrode, there is mutual capacitance Ctr, between finger and exciting electrode, produce capacitor C tf, between finger and induction electrode, produce capacitor C rf, there is capacitor C fg in finger, between touch-screen system and extraneous ground, have capacitor C sg through between human body and extraneous ground.Some leaks by Cfg and Csg during finger touch, can to cause line of electric force between exciting electrode and induction electrode, although the existence of Ctf and Crf can supplement a part of line of electric force, but supplementary part is much smaller than the part of leaking, therefore totally it seems that Ctr reduces, so touch-screen system judges the position of finger touch through detecting the decrease of Ctr.
But, when touch-screen system is unsettled, be that Csg can diminish, between the exciting electrode that finger touch causes and induction electrode, the leakage of line of electric force can reduce, and can increase from Ctf and the supplementary line of electric force of Crf, therefore, compare when not unsettled, the decrease of the Ctr even Ctr value that can diminish can become greatly, thereby while causing touch-screen system to detect the touch location of finger, deviation occurs.
Summary of the invention
In order to solve the existing problem of above-mentioned prior art, the mutual capacitance touchscreens that fundamental purpose of the present invention is to provide a kind of projection-type mutual capacitance touchscreens electrode assembly and uses this electrode assembly, the present invention is by increasing anti-unsettled electrode around at exciting electrode or induction electrode, can be when touch-screen system be unsettled, increase as much as possible the variable quantity of mutual capacitance between exciting electrode and induction electrode, thereby improve sensitivity and the accuracy of finger touch.Meanwhile, the anti-unsettled electrode of increase can shield crosstalking between the exciting unit of non-correspondence and sensing unit, improves the antijamming capability of touch-screen system.
According to an aspect of the present invention, proposed a kind of mutual capacitance touchscreens electrode assembly, this electrode assembly comprises: excitation array, induction arrays and anti-unsettled array, wherein:
Described excitation array is comprised of at least two exciting electrodes, is arranged parallel to each other and without electrical connection between described exciting electrode;
Described induction arrays is comprised of at least two induction electrodes, is arranged parallel to each other and without electrical connection between described induction electrode;
Described anti-unsettled array is comprised of at least two anti-unsettled electrodes, between anti-unsettled electrode, is arranged parallel to each other;
Described anti-unsettled array and excitation array and/or induction arrays are in same plane, the described anti-unsettled electrode gap of filling up between the gap between described exciting electrode and/or described induction electrode as much as possible, described anti-unsettled electrode is parallel to each other and is intervally arranged in same plane with exciting electrode and/or induction electrode respectively, and between described anti-unsettled electrode and described exciting electrode and/or induction electrode, nothing is electrically connected to;
In described excitation array, at least one end of every exciting electrode is connected with touch screen controller transmitting terminal; In described induction arrays, at least one end of every induction electrode is connected with touch screen controller receiving end; In described anti-unsettled array, have each other at least one end of at least two anti-unsettled electrodes of electrical connection to be connected with touch screen controller low-impedance end, at least one end without every that is electrically connected to anti-unsettled electrode is connected with described touch screen controller low-impedance end each other.
According to a further aspect in the invention, a kind of mutual capacitance touchscreens that uses described electrode assembly has also been proposed, this touch-screen comprises: described electrode assembly, substrate layer, optics glue-line, surface coating and touch screen controller transmitting terminal, touch screen controller receiving end and touch screen controller low-impedance end, wherein:
Described electrode assembly comprises excitation array and prevents accordingly unsettled array, induction arrays and accordingly anti-unsettled array, in described excitation array, at least one end of every exciting electrode is connected with described touch screen controller transmitting terminal, in described induction arrays, at least one end of every induction electrode is connected with described touch screen controller receiving end, in described anti-unsettled array, there is each other at least one end of at least two anti-unsettled electrodes of electrical connection to be connected with described touch screen controller low-impedance end, in described anti-unsettled array, at least one end without every that is electrically connected to anti-unsettled electrode is connected with described touch screen controller low-impedance end each other,
Described electrode assembly, substrate layer, optics glue-line, surface coating from top to bottom according to surface coating, optics glue-line, induction arrays and accordingly anti-unsettled array, substrate layer, optics glue-line, excitation array and accordingly the order of anti-unsettled array, substrate layer be bonded together, described excitation array and accordingly anti-unsettled array are with induction arrays and prevent that accordingly the level of unsettled array can exchange;
With the corresponding anti-unsettled array and exist with the accordingly anti-unsettled array of described induction arrays or only have one of described excitation array simultaneously.
According to a further aspect in the invention, a kind of mutual capacitance touchscreens that uses described electrode assembly has also been proposed, this touch-screen comprises: described electrode assembly, substrate layer, optics glue-line, surface coating and touch screen controller transmitting terminal, touch screen controller receiving end and touch screen controller low-impedance end, wherein:
Described electrode assembly comprises excitation array and prevents accordingly unsettled array, induction arrays and accordingly anti-unsettled array, in described excitation array, at least one end of every exciting electrode is connected with described touch screen controller transmitting terminal, in described induction arrays, at least one end of every induction electrode is connected with described touch screen controller receiving end, in described anti-unsettled array, there is each other at least one end of at least two anti-unsettled electrodes of electrical connection to be connected with described touch screen controller low-impedance end, in described anti-unsettled array, at least one end without every that is electrically connected to anti-unsettled electrode is connected with described touch screen controller low-impedance end each other,
Described electrode assembly, substrate layer, optics glue-line, surface coating from top to bottom according to surface coating, optics glue-line, induction arrays and accordingly anti-unsettled array, substrate layer, excitation array and accordingly the order of anti-unsettled array, optics glue-line be bonded together, described excitation array and accordingly anti-unsettled array are with induction arrays and prevent that accordingly the level of unsettled array can exchange;
Described excitation array and accordingly anti-unsettled array and induction arrays and accordingly anti-unsettled array are attached to the tow sides of described substrate layer;
With the corresponding anti-unsettled array and exist with the accordingly anti-unsettled array of described induction arrays or only have one of described excitation array simultaneously.
According to a further aspect in the invention, a kind of mutual capacitance touchscreens that uses described electrode assembly has also been proposed, this touch-screen comprises: described electrode assembly, substrate layer, optics glue-line, surface coating and touch screen controller transmitting terminal, touch screen controller receiving end and touch screen controller low-impedance end, wherein:
Described electrode assembly comprises excitation array and prevents accordingly unsettled array, induction arrays and accordingly anti-unsettled array, in described excitation array, at least one end of every exciting electrode is connected with described touch screen controller transmitting terminal, in described induction arrays, at least one end of every induction electrode is connected with described touch screen controller receiving end, in described anti-unsettled array, there is each other at least one end of at least two anti-unsettled electrodes of electrical connection to be connected with described touch screen controller low-impedance end, in described anti-unsettled array, at least one end without every that is electrically connected to anti-unsettled electrode is connected with described touch screen controller low-impedance end each other,
Described electrode assembly, substrate layer, optics glue-line, surface coating from top to bottom according to surface coating, optics glue-line, comprise excitation array and accordingly anti-unsettled array with induction arrays and prevent that accordingly the electrod-array layer of unsettled array, the order of substrate layer are bonded together;
Described excitation array and accordingly anti-unsettled array and induction arrays and accordingly anti-unsettled array are attached on the same face of same substrate layer;
With the corresponding anti-unsettled array and exist with the accordingly anti-unsettled array of described induction arrays or only have one of described excitation array simultaneously.
Compare traditional not touch-screen of anti-unsettled electrode, use the mutual capacitance touchscreens of the electrode assembly that the present invention proposes can improve the sensitivity that touch-screen touches when unsettled, shield crosstalking between the exciting unit of non-correspondence and sensing unit simultaneously, thereby improve the antijamming capability of touch-screen system.
Accompanying drawing explanation
Fig. 1 is the arrangement schematic diagram of exciting electrode in traditional projection-type mutual capacitance touchscreens electrode assembly;
Fig. 2 is the arrangement schematic diagram of induction electrode in traditional projection-type mutual capacitance touchscreens electrode assembly;
Fig. 3 is the structural representation of traditional projection-type mutual capacitance touchscreens electrode assembly;
Fig. 4 causes the schematic diagram of capacitance variations while touching on traditional capacitance touch screen for finger;
Fig. 5 is the structural representation of projection-type mutual capacitance touchscreens electrode assembly according to an embodiment of the invention;
Fig. 6 is for encouraging according to an embodiment of the invention array and the structural representation of preventing unsettled array;
Fig. 7 is the structural representation of induction arrays and anti-unsettled array according to an embodiment of the invention;
Fig. 8 is the arrangement schematic diagram of exciting electrode and induction electrode in traditional single layer structure projection-type mutual capacitance touchscreens electrode assembly;
Fig. 9 is the excitation of single layer structure according to an embodiment of the invention array, the structural representation of induction arrays and anti-unsettled array;
Figure 10 is the structural representation that has used the mutual capacitance touchscreens of electrode assembly of the present invention.
Figure 11 causes the schematic diagram of capacitance variations while touching on the capacitance touch screen of one embodiment of the invention for finger.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 5 is the structural representation of projection-type mutual capacitance touchscreens electrode assembly according to an embodiment of the invention, Fig. 6 is for encouraging according to an embodiment of the invention array and the structural representation of preventing unsettled array, Fig. 7 is the structural representation of induction arrays and anti-unsettled array according to an embodiment of the invention, as shown in Fig. 5-7, a kind of projection-type mutual capacitance touchscreens electrode assembly proposed by the invention comprises: excitation array, induction arrays and anti-unsettled array, wherein:
Described excitation array is comprised of at least two exciting electrodes 61, between described exciting electrode 61, be arranged parallel to each other and without electrical connection, described exciting electrode 61 comprises at least two exciting units 63, between exciting unit 63, mutually connect and be arranged in a linear, excitation array shown in Fig. 6 has five exciting electrodes 61, and every exciting electrode 61 comprises seven exciting units 63.The conductive film that described exciting unit 63 is special shape, is used to form a pole plate in two pole plates of mutual capacitance.In an embodiment of the present invention, described exciting unit 63 be shaped as rectangle, can also be square, rhombus, triangle, letter " E " shape, " returning " font etc.
Described induction arrays is comprised of at least two induction electrodes 71, between described induction electrode 71, be arranged parallel to each other and without electrical connection, described induction electrode 71 comprises at least two sensing units 73, between sensing unit 73, mutually connect and be arranged in a linear, induction arrays shown in Fig. 7 has six roots of sensation induction electrode 71, and every induction electrode 71 comprises six exciting units 73.The conductive film that described sensing unit 73 is special shape, is used to form another pole plate in two pole plates of mutual capacitance.In an embodiment of the present invention, described sensing unit 73 be shaped as rectangle, can also be square, rhombus, triangle, letter " E " shape, " returning " font etc., in order to improve the sensitivity of touch-screen, require mutual capacitance large as far as possible, therefore, the shape of described sensing unit 73 is meshed on projection plane with the shape of described exciting unit 63.
Described anti-unsettled array is comprised of at least two anti-unsettled electrodes 62, between anti-unsettled electrode 62, be arranged parallel to each other, between described anti-unsettled electrode 62, can there is the electrical connection also can be without electrical connection, described anti-unsettled electrode 62 comprises at least two anti-unsettled unit 64, between anti-unsettled unit 64, mutually connect and be arranged in a linear, anti-unsettled array shown in Fig. 6 has four anti-unsettled electrodes 62, every anti-unsettled electrode 62 comprises six anti-unsettled unit 64, anti-unsettled array shown in Fig. 7 has five anti-unsettled electrodes 62, every anti-unsettled electrode 62 comprises five anti-unsettled unit 64.The conductive film that described anti-unsettled unit 64 is special shape, is used to form a pole plate in two pole plates preventing unsettled electric capacity, and the finger touching on touch-screen forms another pole plate in two pole plates preventing unsettled electric capacity.In an embodiment of the present invention, described anti-unsettled unit 64 be shaped as rectangle, can also be square, rhombus, triangle, letter " E " shape, " returning " font etc.
Described anti-unsettled array and excitation array and/or induction arrays are in same plane, that is to say, the quantity of described anti-unsettled array is (quantity of described excitation array and induction arrays identical) corresponding with the quantity of described excitation array or induction arrays, or corresponding with the quantity sum of described excitation array and induction arrays, when the quantity of described anti-unsettled array be quantity with described excitation array or induction arrays when corresponding, describedly prevent that unsettled array is placed in described excitation array or induction arrays; When the described anti-quantity of unsettled array is corresponding with the quantity sum of described excitation array and induction arrays, described anti-unsettled array is placed in respectively described excitation array and induction arrays, the anti-unsettled array that is placed in described excitation array be placed in that between the anti-unsettled array of described induction arrays, can be electrically connected to also can be less than electrical connection.But no matter be placed in which array, anti-unsettled electrode 62 is parallel to each other and is intervally arranged in same plane with exciting electrode 61 or induction electrode 71, can not be arranged between described exciting electrode 61 and induction electrode 71; Between described anti-unsettled electrode 62 and described exciting electrode 61 or induction electrode 71, nothing is electrically connected to, in order to improve the sensitivity of unsettled touch, require anti-unsettled electric capacity large as far as possible, therefore, described anti-unsettled electrode 62 gap of filling up between described exciting electrode 61 or induction electrode 71 as much as possible, that is to say, the shape of anti-unsettled electrode 62 is meshed with the shape of exciting electrode 61 or induction electrode 71.
Described excitation array and described induction arrays are in same plane, without being electrically connected to, the exciting unit 63 that orthogonal points place is corresponding and sensing unit 73 form mutual capacitance to each root exciting electrode 61 in excitation array with the mutually orthogonal arrangement of each root induction electrode 71 in induction arrays; Certainly, described excitation array and described induction arrays also can be in different planes, and these two planes are parallel to each other, as shown in Figure 5.
In described excitation array, at least one end of every exciting electrode 61 is connected with described touch screen controller transmitting terminal;
In described induction arrays, at least one end of every induction electrode 71 is connected with described touch screen controller receiving end;
In described anti-unsettled array, have each other at least one end of at least two anti-unsettled electrodes 62 of electrical connection to be connected with described touch screen controller low-impedance end, in described anti-unsettled array, at least one end without every that is electrically connected to anti-unsettled electrode 62 is connected with described touch screen controller low-impedance end each other.
Described excitation array, induction arrays and anti-unsettled array are used transparent conductive material to make, and this transparent conductive material comprises tin indium oxide Indium Tin Oxide, is called for short ITO, and antimony mixes tin oxide Antimony Tin Oxide, abbreviation ATO.
Described excitation array and induction arrays belong to sandwich construction in Different Plane time, described excitation array and induction arrays belong to single layer structure at grade time, that is to say, electrode assembly proposed by the invention can be applied to sandwich construction also can be applied to single layer structure.In traditional single layer structure projection-type mutual capacitance touchscreens electrode assembly, encourage the arrangement schematic diagram of array and induction arrays as shown in Figure 8, single layer structure encourages array according to an embodiment of the invention, and the arrangement schematic diagram of induction arrays and anti-unsettled array as shown in Figure 9.
According to a further aspect in the invention, a kind of projection-type mutual capacitance touchscreens device is also proposed, this device comprises: described electrode assembly, substrate layer, optics glue-line, surface coating and touch screen controller transmitting terminal, and touch screen controller receiving end and touch screen controller low-impedance end, wherein:
Described electrode assembly comprises excitation array and prevents accordingly unsettled array, induction arrays and accordingly anti-unsettled array, in described excitation array, at least one end of every exciting electrode 61 is connected with described touch screen controller transmitting terminal, in described induction arrays, at least one end of every induction electrode 71 is connected with described touch screen controller receiving end, in described anti-unsettled array, there is each other at least one end of at least two anti-unsettled electrodes 62 of electrical connection to be connected with described touch screen controller low-impedance end, in described anti-unsettled array, at least one end without every that is electrically connected to anti-unsettled electrode 62 is connected with described touch screen controller low-impedance end each other,
Described electrode assembly, substrate layer, optics glue-line, surface coating from top to bottom according to surface coating, optics glue-line, induction arrays and accordingly anti-unsettled array, substrate layer, optics glue-line, excitation array and accordingly the order of anti-unsettled array, substrate layer be bonded together, as shown in figure 10; Described excitation array and accordingly anti-unsettled array and induction arrays and the accordingly level of anti-unsettled array can exchange;
In an embodiment of the present invention, described excitation array and accordingly anti-unsettled array and induction arrays and accordingly anti-unsettled array also can be attached to the tow sides of same substrate layer, in this embodiment, described electrode assembly, substrate layer, optics glue-line, surface coating from top to bottom according to surface coating, optics glue-line, induction arrays and accordingly anti-unsettled array, substrate layer, excitation array and accordingly the order of anti-unsettled array, optics glue-line be bonded together.
In another embodiment of the present invention, described excitation array and accordingly anti-unsettled array and induction arrays and accordingly anti-unsettled array also can be attached on the same face of same substrate layer, in this embodiment, described electrode assembly, substrate layer, optics glue-line, surface coating is from top to bottom according to surface coating, optics glue-line, comprise excitation array and anti-unsettled array and induction arrays and prevent accordingly the electrod-array layer of unsettled array accordingly, the order of substrate layer is bonded together, in this embodiment, owing to encouraging array and preventing accordingly unsettled array and induction arrays and prevent that accordingly unsettled array arrangement is in same plane, exciting unit 63, can be connected and also can be connected by cabling to the mode that array edge is connected separately again by the mode of bridge joint between separately in sensing unit 73 and anti-unsettled unit 64.
In addition, with the accordingly anti-unsettled array of described excitation array with described induction arrays, prevent accordingly can being electrically connected to also and can not being electrically connected between unsettled array, both can exist also simultaneously can only have one.
Described substrate layer is used transparent insulating material to make, and this transparent insulating material comprises poly terephthalic acid class plastics Polyethylene Terephthalate Plastic, is called for short PETP, and glass.
Described surface coating can be used transparent insulating material to make, and this transparent insulating material comprises glass and polymethylmethacrylate Polymethylmethacrylate, is called for short PMMA.
The capacitance variations that finger causes while touching on the capacitance touch screen of one embodiment of the invention as shown in figure 11, there is mutual capacitance Ctr in 73 of exciting unit 63 and sensing units, 63 of finger and exciting units produce capacitor C tf, 73 of finger and sensing units produce capacitor C rf, finger and 64 of anti-unsettled unit produce anti-unsettled capacitor C sf, there is capacitor C fg in finger, between touch-screen system and extraneous ground, have capacitor C sg through between human body and extraneous ground.When system is unsettled, finger touch causes that the part that exciting unit 63 and 73 line of electric force of sensing unit leak by Cfg and Csg reduces, but can increase the part of leaking by Csf, and originally by Ctf and the supplementary line of electric force of Crf, also can leak a part by Csf.Compare traditional not electrode assembly of anti-unsettled electrode 62, the minimizing amplitude of the exciting unit 63 in electrode assembly of the present invention and 73 line of electric force of sensing unit is much bigger, the variable quantity that is to say exciting unit 63 and 73 mutual capacitance of sensing unit is much bigger, therefore, when touch-screen system is unsettled, can improve sensitivity and the accuracy of touch.
In sum, compare traditional not touch-screen of anti-unsettled electrode 62, the electrode assembly that the present invention has increased anti-unsettled electrode 62 can improve the sensitivity that touch-screen touches when unsettled, shield crosstalking between the exciting unit 63 of non-correspondence and sensing unit 73 simultaneously, thereby improve the antijamming capability of touch-screen system.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a mutual capacitance touchscreens electrode assembly, is characterized in that, this electrode assembly comprises: excitation array, induction arrays and anti-unsettled array, wherein:
Described excitation array is comprised of at least two exciting electrodes, is arranged parallel to each other and without electrical connection between described exciting electrode;
Described induction arrays is comprised of at least two induction electrodes, is arranged parallel to each other and without electrical connection between described induction electrode;
Described anti-unsettled array is comprised of at least two anti-unsettled electrodes, between anti-unsettled electrode, is arranged parallel to each other;
Described anti-unsettled array and excitation array and/or induction arrays are in same plane, the described anti-unsettled electrode gap of filling up between the gap between described exciting electrode and/or described induction electrode as much as possible, described anti-unsettled electrode is parallel to each other and is intervally arranged in same plane with exciting electrode and/or induction electrode respectively, and between described anti-unsettled electrode and described exciting electrode and/or induction electrode, nothing is electrically connected to;
In described excitation array, at least one end of every exciting electrode is connected with touch screen controller transmitting terminal; In described induction arrays, at least one end of every induction electrode is connected with touch screen controller receiving end; In described anti-unsettled array, have each other at least one end of at least two anti-unsettled electrodes of electrical connection to be connected with touch screen controller low-impedance end, at least one end without every that is electrically connected to anti-unsettled electrode is connected with described touch screen controller low-impedance end each other.
2. electrode assembly according to claim 1, is characterized in that, described exciting electrode comprises at least two exciting units, and described induction electrode comprises at least two sensing units, and described anti-unsettled electrode comprises at least two anti-unsettled unit.
3. electrode assembly according to claim 2, is characterized in that, mutually connects and be arranged in a linear between described exciting unit; Between described sensing unit, mutually connect and be arranged in a linear; Between described anti-unsettled unit, mutually connect and be arranged in a linear.
4. electrode assembly according to claim 1, it is characterized in that, the shape of described sensing unit is meshed on projection plane with the shape of described exciting unit, and the described anti-shape of unsettled unit and the shape of exciting unit and the described anti-shape of unsettled unit and the shape of sensing unit are meshed.
5. electrode assembly according to claim 1, it is characterized in that, each root exciting electrode in described excitation array is with the mutually orthogonal arrangement of each root induction electrode in induction arrays without being electrically connected to, and the exciting unit that orthogonal points place is corresponding and sensing unit form mutual capacitance.
6. electrode assembly according to claim 1, is characterized in that, described excitation array, induction arrays and anti-unsettled array are used transparent conductive material to make.
7. a right to use requires the mutual capacitance touchscreens of the electrode assembly described in 1, it is characterized in that, this touch-screen comprises: electrode assembly claimed in claim 1, substrate layer, optics glue-line, surface coating and touch screen controller transmitting terminal, touch screen controller receiving end and touch screen controller low-impedance end, wherein:
Described electrode assembly comprises excitation array and prevents accordingly unsettled array, induction arrays and accordingly anti-unsettled array, in described excitation array, at least one end of every exciting electrode is connected with described touch screen controller transmitting terminal, in described induction arrays, at least one end of every induction electrode is connected with described touch screen controller receiving end, in described anti-unsettled array, there is each other at least one end of at least two anti-unsettled electrodes of electrical connection to be connected with described touch screen controller low-impedance end, in described anti-unsettled array, at least one end without every that is electrically connected to anti-unsettled electrode is connected with described touch screen controller low-impedance end each other,
Described electrode assembly, substrate layer, optics glue-line, surface coating from top to bottom according to surface coating, optics glue-line, induction arrays and accordingly anti-unsettled array, substrate layer, optics glue-line, excitation array and accordingly the order of anti-unsettled array, substrate layer be bonded together, described excitation array and accordingly anti-unsettled array are with induction arrays and prevent that accordingly the level of unsettled array can exchange;
With the corresponding anti-unsettled array and exist with the accordingly anti-unsettled array of described induction arrays or only have one of described excitation array simultaneously.
8. a right to use requires the mutual capacitance touchscreens of the electrode assembly described in 1, it is characterized in that, this touch-screen comprises: electrode assembly claimed in claim 1, substrate layer, optics glue-line, surface coating and touch screen controller transmitting terminal, touch screen controller receiving end and touch screen controller low-impedance end, wherein:
Described electrode assembly comprises excitation array and prevents accordingly unsettled array, induction arrays and accordingly anti-unsettled array, in described excitation array, at least one end of every exciting electrode is connected with described touch screen controller transmitting terminal, in described induction arrays, at least one end of every induction electrode is connected with described touch screen controller receiving end, in described anti-unsettled array, there is each other at least one end of at least two anti-unsettled electrodes of electrical connection to be connected with described touch screen controller low-impedance end, in described anti-unsettled array, at least one end without every that is electrically connected to anti-unsettled electrode is connected with described touch screen controller low-impedance end each other,
Described electrode assembly, substrate layer, optics glue-line, surface coating from top to bottom according to surface coating, optics glue-line, induction arrays and accordingly anti-unsettled array, substrate layer, excitation array and accordingly the order of anti-unsettled array, optics glue-line be bonded together, described excitation array and accordingly anti-unsettled array are with induction arrays and prevent that accordingly the level of unsettled array can exchange;
Described excitation array and accordingly anti-unsettled array and induction arrays and accordingly anti-unsettled array are attached to the tow sides of described substrate layer;
With the corresponding anti-unsettled array and exist with the accordingly anti-unsettled array of described induction arrays or only have one of described excitation array simultaneously.
9. a right to use requires the mutual capacitance touchscreens of the electrode assembly described in 1, it is characterized in that, this touch-screen comprises: electrode assembly claimed in claim 1, substrate layer, optics glue-line, surface coating and touch screen controller transmitting terminal, touch screen controller receiving end and touch screen controller low-impedance end, wherein:
Described electrode assembly comprises excitation array and prevents accordingly unsettled array, induction arrays and accordingly anti-unsettled array, in described excitation array, at least one end of every exciting electrode is connected with described touch screen controller transmitting terminal, in described induction arrays, at least one end of every induction electrode is connected with described touch screen controller receiving end, in described anti-unsettled array, there is each other at least one end of at least two anti-unsettled electrodes of electrical connection to be connected with described touch screen controller low-impedance end, in described anti-unsettled array, at least one end without every that is electrically connected to anti-unsettled electrode is connected with described touch screen controller low-impedance end each other,
Described electrode assembly, substrate layer, optics glue-line, surface coating from top to bottom according to surface coating, optics glue-line, comprise excitation array and accordingly anti-unsettled array with induction arrays and prevent that accordingly the electrod-array layer of unsettled array, the order of substrate layer are bonded together;
Described excitation array and accordingly anti-unsettled array and induction arrays and accordingly anti-unsettled array are attached on the same face of same substrate layer;
With the corresponding anti-unsettled array and exist with the accordingly anti-unsettled array of described induction arrays or only have one of described excitation array simultaneously.
10. according to the touch-screen described in claim 7,8 or 9, it is characterized in that, described substrate layer, surface coating are used transparent insulating material to make.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310460467.XA CN103543895A (en) | 2013-09-30 | 2013-09-30 | Electrode device of touch screen and mutual capacitance touch screen using electrode device |
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| CN201310460467.XA CN103543895A (en) | 2013-09-30 | 2013-09-30 | Electrode device of touch screen and mutual capacitance touch screen using electrode device |
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| CN106415464A (en) * | 2014-06-20 | 2017-02-15 | 高通股份有限公司 | Capacitive touch panel having dielectric structures formed therein |
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