CN101950230A - Capacitive touch sensor and capacitive touch device - Google Patents
Capacitive touch sensor and capacitive touch device Download PDFInfo
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- CN101950230A CN101950230A CN 201010295923 CN201010295923A CN101950230A CN 101950230 A CN101950230 A CN 101950230A CN 201010295923 CN201010295923 CN 201010295923 CN 201010295923 A CN201010295923 A CN 201010295923A CN 101950230 A CN101950230 A CN 101950230A
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Abstract
The invention relates to a capacitive touch sensor which comprises a first linear conductive electrode and a second linear conductive electrode. The first linear conductive electrode comprises at least one first main conductor and a plurality of first branch conductors, wherein the first main conductor extends continuously along a first direction, and the first branch conductors are mutually electrically connected with the first main conductor. The second linear conductive electrode comprises at least one second main conductor, wherein the second main conductor continuously extends along a second direction different from the first direction. Furthermore, the first linear conductor electrode and the second linear conductor electrode are mutually electrically insulated and are made of opaque conductive materials, and the second main conductors and the first main conductors are crossed. The invention also relates to a capacitive touch device adopting the capacitive touch sensor. The invention can reduce the resistance value of the sensor, lowers the parasitic capacitance of the sensor and an external structure, increases the linearity of touch detection and lowers the cost.
Description
Technical field
The present invention relates to the touch technology field, and be particularly related to the structure of capacitance touching control sensor and capacitive touch device.
Background technology
Press, mutual capacitance type projected capacitive touch sensing generally uses transparent conductive material for example indium tin oxide (ITO) making drive electrode and induction electrode at present.Yet,, can cause the induced signal of large-sized projected capacitive contact panel to reduce because the resistance of general transparent conductive material is excessive; And with the capacitance touching control sensor of transparent conductive material design,, cause unnecessary stray capacitance to rise, be subject to outside noise and disturb, induced signal is reduced because of the induction electrode area is bigger; Again with the capacitance touching control sensor of transparent conductive material design, be difficult for causing between electrode the highly figure of symmetry, therefore on back end signal is handled, the linearity of interpolated signal also is difficult for the situation that reaches preferable between sensor and sensor.In addition, the material cost of transparent conductive material is generally higher.
Summary of the invention
The purpose of this invention is to provide a kind of capacitance touching control sensor, to reduce resistance of sensor, to reduce stray capacitance, the lifting touch control detection linearity of sensor and external structure and reduce cost.
A further object of the present invention provides a kind of capacitive touch device.
A kind of capacitance touching control sensor that one embodiment of the invention proposes, it comprises: the first wire conductive electrode and the second wire conductive electrode.The first wire conductive electrode comprises at least one the first main traverse line and many first open traverses, and wherein first main traverse line extends along first direction continuously, first open traverse and the electric connection of first main traverse line.The second wire conductive electrode comprises at least one the second main traverse lines, and wherein second main traverse line extends along the second direction that is different from first direction continuously.Further, the first wire conductive electrode and the second wire conductive electrode are electrically insulated mutually and are all made by opaque conductive material, and second main traverse line and first main traverse line intersect.
In one embodiment of this invention, above-mentioned opaque conductive material is a metal.
In one embodiment of this invention, the second above-mentioned main traverse line does not intersect with first open traverse.
In one embodiment of this invention, the second above-mentioned wire conductive electrode also comprises many second open traverses, and wherein second open traverse and second main traverse line electrically connect, and does not intersect with first main traverse line and first open traverse.
In one embodiment of this invention, above-mentioned capacitance touching control sensor also comprises a plurality of floating (dummy) wire conductive electrode, be distributed in the capacitance touching control sensor not by in the occupied zone of the first wire conductive electrode and the second wire conductive electrode, and float the wire conductive electrode and the first wire conductive electrode and the second wire conductive electrode all are electrically insulated.
In one embodiment of this invention, above-mentioned float the wire conductive electrode and the first wire conductive electrode and the formation of the second wire conductive electrode comprise a plurality of square net structures, a plurality of rhombic-shaped grid structure, a plurality of rectangle network or a plurality of other arbitrary polygon network.
In one embodiment of this invention, the first above-mentioned main traverse line is the linearity structure, and discontinuous and can be the linearity structure along first direction extension person in the first above-mentioned open traverse; Perhaps, the first above-mentioned main traverse line is a pectination, and discontinuous and can be pectination along first direction extension person in the first above-mentioned open traverse; Or above-mentioned-first main traverse line is the twisted wire structure, and discontinuous and can be the twisted wire structure along first direction extension person in the first above-mentioned open traverse; Further, above-mentioned twisted wire structure can comprise a plurality of polygons that are connected for example rhombus or rectangle.
In one embodiment of this invention, above-mentioned first direction is vertical mutually with second direction.
A kind of capacitive touch device that yet another embodiment of the invention proposes, it comprises: a plurality of first metal electrodes and a plurality of second metal electrode, mutually insulated between these first metal electrodes, mutually insulated between these second metal electrodes, each first metal electrode is as the metal driving electrode of a plurality of capacitance touching control sensors and each the second metal electrode metal induction electrode as a plurality of capacitance touching control sensors, thus these first metal electrodes and a plurality of capacitance touching control sensors of these second metal electrodes formation arranged in a crossed manner; Wherein, in each first metal electrode and each second metal electrode one comprises at least one the first main traverse lines and many first open traverse that is connected of at least one the first main traverse lines therewith, and this at least one the first main traverse line extends continuously along first direction; And in each first metal electrode and each second metal electrode another comprise at least one the second main traverse lines, this at least one the second main traverse line along the second direction different with first direction extend continuously and therewith at least one the first main traverse lines intersect.
A kind of capacitance touching control sensor that further embodiment of this invention proposes, it comprises: drive electrode and induction electrode; Induction electrode and drive electrode are electrically insulated mutually, and induction electrode and drive electrode are made by opaque conductive material.Wherein, one in drive electrode and the induction electrode comprises many first leads, and the part in these first leads is extended along first direction, and extend with the second direction that first direction intersects on another part edge; In drive electrode and the induction electrode another comprises at least one the second leads; Moreover second lead and first lead form at least one space crossed point.
The embodiment of the invention adopts opaque conductive material to make wire electrode in the capacitance touching control sensor to replace the pellet electrode that utilizes transparent conductive material to make in the prior art; Because the opaque conductive electrode of wire for example wire metal electrode has characteristics such as low resistance, low cost, and the employing of linear structure is not subject to the outside noise interference relatively and stray capacitance is risen and penetrability can not be worse than the capacitance touching control sensor that adopts transparency electrode yet.In addition, capacitance touching control sensor of the present invention is easy to reach the height symmetry of figure between electrode.Therefore, can reach development fundamental purpose of the present invention, to reduce resistance of sensor, to reduce stray capacitance, the lifting touch control detection linearity of sensor and external structure and reduce cost.
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 shows the X electrode, Y electrode of first embodiment of the invention and the structural representation of the single capacitance touching control sensor that formed by X electrode and Y electrode.
Fig. 2 A and Fig. 2 B show two kinds of cut-away views of implementing kenel of II part among Fig. 1.
Fig. 3 shows the enlarged diagram after in Fig. 1 III partly sets up the wire conductive electrode of floating.
Fig. 4 shows the X electrode of second embodiment of the invention and the structural representation of Y electrode.
Fig. 5 shows the structural representation of a plurality of capacitance touching control sensors of X electrode shown in Figure 4 and the formation of Y electrode.
Fig. 6 shows the enlarged diagram after in Fig. 5 VI partly sets up the wire conductive electrode of floating.
Fig. 7 shows the X electrode of third embodiment of the invention and the structural representation of Y electrode.
Fig. 8 shows the structural representation of a plurality of capacitance touching control sensors of X electrode shown in Figure 7 and the formation of Y electrode.
Fig. 9 shows the enlarged diagram after in Fig. 8 IX partly sets up the wire conductive electrode of floating.
Figure 10 shows the X electrode of fourth embodiment of the invention and the structural representation of Y electrode.
Figure 11 shows the structural representation of the single capacitance touching control sensor of X electrode shown in Figure 10 and the formation of Y electrode.
Figure 12 shows the enlarged diagram after in Figure 11 XII partly sets up the wire conductive electrode of floating.
Figure 13 shows the X electrode of fifth embodiment of the invention and the structural representation of Y electrode.
Figure 14 shows the structural representation of the single capacitance touching control sensor of X electrode shown in Figure 13 and the formation of Y electrode.
Figure 15 shows the enlarged diagram after in Figure 14 X V partly sets up the wire conductive electrode of floating.
Wherein, description of reference numerals is as follows:
10: the capacitance touching control sensor
Ex, Ex1, Ex2:X electrode
Ey, Ey1, Ey2:Y electrode
11: insulated substrate
16: dielectric layer
121,221,321,421, the main traverse line of 521:X electrode
The open traverse of 123a, 123b, 223a, 223b, 323a, 323b, 423,523:X electrode
141,241,341,441, the main traverse line of 541:Y electrode
The open traverse of 143a, 143b, 243a, 243b, 343,443a, 443b, 543a, 543b:Y electrode
13,23,33,43,53: the wire of floating conductive electrode
X, Y: direction
Embodiment
First embodiment
See also Fig. 1, it shows the X electrode, Y electrode of first embodiment of the invention and the structural representation of the single capacitance touching control sensor that formed by X electrode and Y electrode.As shown in Figure 1, capacitance touching control sensor 10 comprises X electrode Ex and Y electrode Ey and is formed with a space crossed point (solid line circle as II part among Fig. 1 indicates), and among X electrode Ex and the Y electrode Ey one can be used as single drive electrode and another can be used as single induction electrode.At this, directions X and Y direction are roughly vertical mutually, but the present invention is as limit, and the deviser can be two crisscross getting final product with directions X and Y direction setting according to the practical application needs.In addition, need to prove that the structure that Fig. 1 illustrates single capacitance touching control sensor is for convenience of description purpose only, and during practical application usually can with a plurality of capacitance touching control sensors with array way for example matrix-style arrange.
In the present embodiment, X electrode Ex in the capacitance touching control sensor 10 and Y electrode Ey be electrically insulated mutually and all by opaque conductive material for example metal make, X electrode Ex and Y electrode Ey are all the wire conductive electrode.
Hold above-mentioned, X electrode Ex comprises main traverse line 121 and many open traverse 123a, the 123b that electrically connect with main traverse line 121, main traverse line 121 extends continuously and adopts the linearity structure along directions X, open traverse 123a extends and be discontinuous linearity structure along directions X, open traverse 123b along the Y direction extend and a part of for continuous linearity structure another part be discontinuous linearity structure.Y electrode Ey comprises main traverse line 141 and many open traverse 143a, the 143b that electrically connect with main traverse line 141, main traverse line 141 extends continuously and adopts the linearity structure along the Y direction, open traverse 143a extends and be discontinuous linearity structure along the Y direction, and open traverse 143b is along the directions X extension and be continuous linearity structure.Moreover main traverse line among the Y electrode Ey 141 intersects with main traverse line 121 among the X electrode Ex and forms space crossed point in the capacitance touching control sensor 10, but main traverse line 141 not with X electrode Ex in open traverse 123a, 123b intersect; Similarly, the main traverse line 121 among the X electrode Ex not with Y electrode Ey in open traverse 143a, 143b intersect.
See also Fig. 1 and Fig. 2 A, 2B, Fig. 2 A and 2B show two kinds of cut-away views of implementing kenel of II part among Fig. 1.In Fig. 2 A, the main traverse line 141 of Y electrode Ey for example intersects and forms space crossed point in the same side of glass substrate at insulated substrate 11 with the main traverse line 121 of X electrode Ex, and is electrically insulated by dielectric layer 16 and main traverse line 121.In Fig. 2 B, the main traverse line 121 of the main traverse line of Y electrode Ey 141 and X electrode Ex is divided into the not homonymy of insulated substrate 11 and intersects forming space crossed point, and by insulated substrate 11 reach and main traverse line 121 between be electrically insulated.
See also Fig. 1 and Fig. 3, Fig. 3 shows the enlarged diagram after in Fig. 1 III partly sets up (dummy) wire conductive electrode of floating.As Fig. 3, the wire of floating conductive electrode 13 is distributed in the capacitance touching control sensor 10 not by in the occupied zone of X electrode Ex and Y electrode Ey, and the wire of floating conductive electrode 13 is electrically insulated with X electrode Ex and Y electrode Ey, thereby the electric signal on X electrode Ex and the Y electrode Ey can not be passed to the wire conductive electrode 13 of floating with connection mode.In addition, present embodiment float wire conductive electrode 13 can by opaque material for example metal make, the wire of floating conductive electrode 13 forms with X electrode Ex and Y electrode Ey and comprises a plurality of square net structures.
Second embodiment
Fig. 4 shows the X electrode of second embodiment of the invention and the structural representation of Y electrode.Show X electrode Ex1, Ex2 and Y electrode Ey1, Ey2 among Fig. 4, X electrode Ex1, Ex2 and Y electrode Ey1, Ey2 all by opaque conductive material for example metal make.At this, X electrode Ex1, Ex2 can be used as the drive electrode of two capacitance touching control sensors respectively and Y electrode Ey1, Ey2 can be respectively as the induction electrodes of two capacitance touching control sensors, and vice versa.In the present embodiment, X electrode Ex1 has identical structural arrangements with Ex2 and is electrically insulated each other, and the open traverse 223a, the 223b that are all the wire conductive electrode and comprise many main traverse lines 221 and electrically connect with main traverse line 221, main traverse line 221 extends continuously and adopts the linearity structure along directions X, open traverse 223a extends and be discontinuous linearity structure along directions X, open traverse 223b along the Y direction extend and a part of for continuous linearity structure another part be discontinuous linearity structure.Y electrode Ey1 has identical structural arrangements with Ey2 and is electrically insulated each other, and be all the wire conductive electrode and comprise many main traverse lines 241 and open traverse 243a, 243b that many electrically connect with main traverse line 241, main traverse line 241 extends continuously and adopts the linearity structure along the Y direction, open traverse 243a extends and be discontinuous linearity structure along the Y direction, open traverse 243b along directions X extend and a part of for continuous linearity structure another part be discontinuous linearity structure.
See also Fig. 4 and Fig. 5, Fig. 5 shows the structural representation of a plurality of capacitance touching control sensors of X electrode shown in Figure 4 and the formation of Y electrode.As shown in Figure 5, X electrode Ex1, Ex2 and Y electrode Ey1, Ey2 are electrically insulated mutually, and X electrode Ex1, Ex2 and Y electrode Ey1, Ey2 form 2 * 2 capacitance touching control sensor patterns (sensor pattern) jointly; 24 space crossed points (indicating) shown in Fig. 5 as the solid line circle among Fig. 5, and each capacitance touching control sensor comprises 6 space crossed points.At this, need to prove that Fig. 5 only illustrates 2 * 2 capacitance touching control sensor patterns only as an example, be not to be used for limiting the present invention; In other words, those skilled in the art can make the capacitive touch sensing device of required size according to the quantity of X electrode in the needs adjustment capacitance touching control sensor patterns of practical application and Y electrode.
See also Fig. 4 to Fig. 6, Fig. 6 shows the enlarged diagram after in Fig. 5 VI partly sets up the wire conductive electrode of floating.As shown in Figure 6, the wire of floating conductive electrode 23 distributes in each capacitance touching control sensors not by in the occupied zone of X electrode Ex1, Ex2 and Y electrode Ey1, Ey2, and float wire conductive electrode 23 and X electrode Ex1, Ex2 and Y electrode Ey1, Ey2 all are electrically insulated.At this, the wire of floating conductive electrode 23 can by opaque material for example metal make, can also learn from Fig. 6 in addition: the wire of floating conductive electrode 23 comprises a plurality of square net structures, so that see that on the whole each capacitance touching control sensor is similar to comprising the reticulate texture of a plurality of square nets.
The 3rd embodiment
Fig. 7 shows the X electrode of third embodiment of the invention and the structural representation of Y electrode.Show X electrode Ex1, Ex2 and Y electrode Ey1, Ey2 among Fig. 7, X electrode Ex1, Ex2 and Y electrode Ey1, Ey2 all by opaque conductive material for example metal make.At this, X electrode Ex1, Ex2 can be respectively as the drive electrode of two capacitance touching control sensors and Y electrode Ey1, Ey2 can be respectively as the induction electrodes of two capacitance touching control sensors, vice versa.In the present embodiment, X electrode Ex1 has identical structural arrangements with Ex2 and is electrically insulated each other, and the open traverse 323a, the 323b that are all the wire conductive electrode and comprise many main traverse lines 321 and electrically connect with main traverse line 321, main traverse line 321 extends continuously and adopts pectination along directions X, open traverse 323a extends and be discontinuous pectination along directions X, and open traverse 323b is along the extension of Y direction and be continuous linearity structure.Y electrode Ey1 has identical structural arrangements with Ey2 and is electrically insulated each other, and be all the wire conductive electrode and comprise many main traverse lines 341 and open traverse 343 that many electrically connect with main traverse line 341, main traverse line 341 extends continuously and adopts the linearity structure along the Y direction, and open traverse 343 extends and is continuous pectination along directions X.
See also Fig. 7 and Fig. 8, Fig. 8 shows the structural representation of a plurality of capacitance touching control sensors of X electrode shown in Figure 7 and the formation of Y electrode.As shown in Figure 8, X electrode Ex1, Ex2 and Y electrode Ey1, Ey2 are electrically insulated mutually, and X electrode Ex1, Ex2 and Y electrode Ey1, Ey2 form 2 * 2 capacitance touching control sensor patterns jointly; 12 space crossed points (indicating) shown in Fig. 8 as the solid line circle among Fig. 8, and each capacitance touching control sensor comprises 3 space crossed points.In addition, can also learn from Fig. 8: the open traverse 343 among main traverse line 321 X electrode Ex1, the Ex2 and open traverse 323a and Y electrode Ey1, the Ey2 forms the fourchette structure.At this, need to prove that Fig. 8 only illustrates 2 * 2 capacitance touching control sensor patterns as an example, but the present invention is not as limit; In other words, those skilled in the art can make the capacitive touch sensing device of required size according to the quantity of X electrode in the needs adjustment capacitance touching control sensor patterns of practical application and Y electrode.
See also Fig. 7 to Fig. 9, Fig. 9 shows the enlarged diagram after in Fig. 8 IX partly sets up the wire conductive electrode of floating.As shown in Figure 9, the wire of floating conductive electrode 33 distributes in each capacitance touching control sensors not by in the occupied zone of X electrode Ex1, Ex2 and Y electrode Ey1, Ey2, and float wire conductive electrode 33 and X electrode Ex1, Ex2 and Y electrode Ey1, Ey2 all are electrically insulated.At this, the wire of floating conductive electrode 33 can by opaque material for example metal make, can also learn from Fig. 9 in addition: the wire of floating conductive electrode 33 comprises a plurality of square net structures, so that see that on the whole each capacitance touching control sensor is similar to comprising the reticulate texture of a plurality of square nets.
The 4th embodiment
Figure 10 shows the X electrode of fourth embodiment of the invention and the structural representation of Y electrode.Show X electrode Ex and Y electrode Ey among Figure 10; X electrode Ex and Y electrode Ey all by opaque conductive material for example metal make.At this, X electrode Ex can be used as single drive electrode and Y electrode Ey can be used as single induction electrode, and vice versa.Wherein, X electrode Ex is wire conductive electrode and the open traverse 423 that comprises many main traverse lines 421 and electrically connect with main traverse line 421, main traverse line 421 extends continuously and adopts the twisted wire structure along directions X, and open traverse 423 extends and a part is discontinuous twisted wire structure for continuous twisted wire structure another part along the Y direction.Y electrode Ey is the wire conductive electrode and comprises many main traverse lines 441 and open traverse 443a, 443b that many electrically connect with main traverse line 441, main traverse line 441 extends continuously and adopts the twisted wire structure along the Y direction, open traverse 443a extends and be discontinuous twisted wire structure along the Y direction, and open traverse 443b is along the directions X extension and be continuous twisted wire structure.Moreover the twisted wire structure in the present embodiment comprises a plurality of for example diamond structures of polygon that join in turn, but the present invention is as limit, that is other arbitrary polygon structure of the replaceable one-tenth of diamond structure.
See also Figure 10 and Figure 11, Figure 11 shows the structural representation of the single capacitance touching control sensor of X electrode shown in Figure 10 and the formation of Y electrode.As shown in figure 11, X electrode Ex and Y electrode Ey form single capacitance touching control sensor, and single capacitance touching control sensor has 6 space crossed points (indicating as the solid line circle among Figure 11).In addition, need to prove that the structure that Figure 11 illustrates single capacitance touching control sensor is for convenience of description purpose only, and during practical application usually can with a plurality of capacitance touching control sensors with array way for example matrix-style arrange.
See also Figure 10 to Figure 12, Figure 12 shows the enlarged diagram after in Figure 11 XII partly sets up the wire conductive electrode of floating.As shown in figure 12, not by in the occupied zone of X electrode Ex and Y electrode Ey, and the wire conductive electrode 43 of floating all is electrically insulated with X electrode Ex and Y electrode Ey in the wire of the floating conductive electrode 43 distributed capacitance formula touch sensings.At this, the wire of floating conductive electrode 43 can by opaque material for example metal make, can also learn from Figure 12 in addition: the wire of floating conductive electrode 43 comprises a plurality of rhombic-shaped grid structures, so that see that on the whole the capacitance touching control sensor is similar to comprising the reticulate texture of a plurality of rhombic-shaped grids.
The 5th embodiment
Figure 13 shows the X electrode of fifth embodiment of the invention and the structural representation of Y electrode.Show X electrode Ex and Y electrode Ey among Figure 13; X electrode Ex and Y electrode Ey all by opaque conductive material for example metal make.At this, X electrode Ex can be used as single drive electrode and Y electrode Ey can be used as single induction electrode, and vice versa.Wherein, X electrode Ex is wire conductive electrode and the open traverse 523 that comprises many main traverse lines 521 and electrically connect with main traverse line 521, main traverse line 521 extends continuously and adopts the twisted wire structure along directions X, and open traverse 523 extends and a part is discontinuous twisted wire structure for continuous twisted wire structure another part along the Y direction.Y electrode Ey is the wire conductive electrode and comprises many main traverse lines 541 and open traverse 543a, 543b that many electrically connect with main traverse line 541, main traverse line 541 extends continuously and adopts the twisted wire structure along the Y direction, open traverse 543a extends and be discontinuous twisted wire structure along the Y direction, and open traverse 543b is along the directions X extension and be continuous twisted wire structure.Moreover the twisted wire structure in the present embodiment comprises a plurality of for example rectangle structures of polygon that join in turn, but the present invention is as limit, that is rectangle structure can replace to other arbitrary polygon structure.
See also Figure 13 and Figure 14, Figure 14 shows the structural representation of the single capacitance touching control sensor of X electrode shown in Figure 13 and the formation of Y electrode.As shown in figure 14, X electrode Ex and Y electrode Ey form single capacitance touching control sensor, and single capacitance touching control sensor has 6 space crossed points (indicating as the solid line circle among Figure 14).In addition, need to prove that the structure that Figure 14 illustrates single capacitance touching control sensor is for convenience of description purpose only, and during practical application usually can with a plurality of capacitance touching control sensors with array way for example matrix-style arrange.
See also Figure 13 to Figure 15, Figure 15 shows the enlarged diagram after in Figure 14 X V partly sets up the wire conductive electrode of floating.As shown in figure 15, not by in the occupied zone of X electrode Ex and Y electrode Ey, and the wire conductive electrode 53 of floating all is electrically insulated with X electrode Ex and Y electrode Ey in the wire of the floating conductive electrode 53 distributed capacitance formula touch sensings.At this, the wire of floating conductive electrode 53 can by opaque material for example metal make, can also learn from Figure 15 in addition: the wire of floating conductive electrode 53 comprises a plurality of microscler networks, so that see that on the whole the capacitance touching control sensor is similar to comprising the reticulate texture of a plurality of rectangle grids.
Need to prove, any those skilled in the art can carry out suitable change to the structure of each X electrode and Y electrode, for example change the linear structure of main traverse line and be not limited to above-mentioned linearity structure, pectination and twisted wire structure, change the structure and/or the number of grid of the wire conductive electrode of floating, and/or whether open traverse be can decide by the needs of actual design continuously or for discontinuous on directions X or Y direction, as long as guarantee that one open traverse in X electrode and the Y electrode is not crossing and form space crossed point with another main traverse line and open traverse.In addition, any those skilled in the art also can change the main traverse line in X electrode and/or the Y electrode and/or the quantity of open traverse according to the needs of actual design, and one of X electrode and Y electrode only is provided with main traverse line and the change design of open traverse is not set in for example single capacitance touching control sensor.In addition, the wire of floating conductive electrode and X electrode and Y electrode can form and comprise a plurality of arbitrary polygons (for example irregular quadrilateral or pentagon and more polygon) network, and are not limited only to a plurality of square net structures in the foregoing description, a plurality of rhombic-shaped grid structure or a plurality of rectangle network.The change design that these carry out according to invention conception of the present invention all should belong to protection scope of the present invention.
In sum, the embodiment of the invention adopts opaque conductive material to make wire electrode in the capacitance touching control sensor to replace the pellet electrode that utilizes transparent conductive material to make in the prior art; Because the opaque conductive electrode of wire for example wire metal electrode has characteristics such as low resistance, low cost, and the employing of linear structure is not subject to the outside noise interference relatively and stray capacitance is risen and penetrability can not be worse than the touch sensing that adopts transparency electrode yet.In addition, capacitance touching control sensor of the present invention is easy to reach the height symmetry of figure between electrode.Therefore, can reach development fundamental purpose of the present invention, to reduce resistance of sensor, to reduce stray capacitance, the lifting touch control detection linearity of sensor and external structure and reduce cost.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the protection domain that claim defined of enclosing.
Claims (26)
1. capacitance touching control sensor comprises:
One first wire conductive electrode comprises at least one the first main traverse line and many first open traverses; Described at least one the first main traverse lines extend along a first direction continuously, described many first open traverses and the described at least one the first main traverse line electric connections; And
One second wire conductive electrode comprises at least one the second main traverse lines, and described at least one the second main traverse lines extend along a second direction that is different from this first direction continuously;
Wherein, this first wire conductive electrode and this second wire conductive electrode are electrically insulated mutually and are all made by opaque conductive material,
Described at least one the second main traverse lines and described at least one the first main traverse lines intersect.
2. capacitance touching control sensor as claimed in claim 1, wherein this opaque conductive material is a metal.
3. capacitance touching control sensor as claimed in claim 1, wherein said at least one the second main traverse lines do not intersect with described many first open traverses.
4. capacitance touching control sensor as claimed in claim 3, wherein this second wire conductive electrode also comprises many second open traverses, described many second open traverses and described at least one the second main traverse lines electrically connect, and described many second open traverses do not intersect with described at least one the first main traverse lines and described many first open traverses.
5. capacitance touching control sensor as claimed in claim 1, also comprise a plurality of wire conductive electrodes of floating, be distributed in this capacitance touching control sensor not by in the occupied zone of this first wire conductive electrode and this second wire conductive electrode, and described a plurality of wire conductive electrode and this first wire conductive electrode and this second wire conductive electrode floated all is electrically insulated.
6. capacitance touching control sensor as claimed in claim 5, wherein said a plurality of float wire conductive electrodes and this first wire conductive electrode and this second wire conductive electrode form and comprise a plurality of square net structures, a plurality of rhombic-shaped grid structure, a plurality of rectangle network or a plurality of other arbitrary polygon network.
7. capacitance touching control sensor as claimed in claim 1, wherein said at least one the first main traverse lines are the linearity structure.
8. capacitance touching control sensor as claimed in claim 7, discontinuous and be the linearity structure in wherein said many first open traverses along this first direction extension person.
9. capacitance touching control sensor as claimed in claim 1, wherein said at least one the first main traverse lines are pectination.
10. capacitance touching control sensor as claimed in claim 9, discontinuous and be pectination in wherein said many first open traverses along this first direction extension person.
11. capacitance touching control sensor as claimed in claim 1, wherein said at least one the first main traverse lines are the twisted wire structure.
12. capacitance touching control sensor as claimed in claim 11 is discontinuous and be the twisted wire structure along this first direction extension person in wherein said many first open traverses.
13. capacitance touching control sensor as claimed in claim 11, wherein this twisted wire structure comprises a plurality of rhombuses that are connected or rectangle or other arbitrary polygon.
14. capacitance touching control sensor as claimed in claim 1, wherein this first direction is vertical mutually with this second direction.
15. a capacitive touch device comprises:
A plurality of first metal electrodes and a plurality of second metal electrode, mutually insulated between described a plurality of first metal electrode, mutually insulated between described a plurality of second metal electrode, each described first metal electrode is as the metal driving electrode of a plurality of capacitance touching control sensors and each the described second metal electrode metal induction electrode as a plurality of capacitance touching control sensors, thus described a plurality of first metal electrode and a plurality of capacitance touching control sensors of described a plurality of second metal electrodes formation arranged in a crossed manner;
Wherein, in each described first metal electrode and each described second metal electrode one comprises first open traverse that at least one the first main traverse lines and many are connected with described at least one the first main traverse lines, and described at least one the first main traverse lines extend continuously along a first direction; And
In each described first metal electrode and each described second metal electrode another comprises at least one the second main traverse lines, and described at least one the second main traverse lines extend continuously and intersect with described at least one the first main traverse lines along a second direction different with this first direction.
16. capacitive touch device as claimed in claim 15, wherein said at least one the second main traverse lines do not intersect with described many first open traverses.
17. capacitive touch device as claimed in claim 15, wherein in each described first metal electrode and each described second metal electrode this another also comprise many second open traverses, described many second open traverses are connected with described at least one the second main traverse lines, but do not intersect with described at least one the first main traverse lines and described many first open traverses.
18. capacitive touch device as claimed in claim 15, wherein each described capacitance touching control sensor comprises a plurality of metal floating electrodes, be distributed in the described sensor not by in the occupied zone of described metal driving electrode and described metal induction electrode, and described a plurality of metal floating electrode and described metal driving electrode and described metal induction electrode all are electrically insulated.
19. capacitive touch device as claimed in claim 18, wherein each described metal floating electrode and described metal driving electrode and described metal induction electrode form and comprise at least one network.
20. capacitive touch device as claimed in claim 19, wherein said at least one network are square net structure, rhombic-shaped grid structure or rectangle network or other arbitrary polygon network.
21. capacitive touch device as claimed in claim 15, wherein said at least one the first main traverse lines are linearity structure, pectination or twisted wire structure.
22. capacitive touch device as claimed in claim 15, wherein described first open traverse of part is discontinuous.
23. a capacitance touching control sensor comprises:
One drive electrode; And
One induction electrode is electrically insulated mutually with this drive electrode, and this induction electrode and this drive electrode are made by opaque conductive material;
Wherein, one in this drive electrode and this induction electrode comprises many first leads, part in described many first leads is extended along a first direction, and the another part in described many first leads extends along a second direction of intersecting with this first direction
In this drive electrode and this induction electrode another comprises at least one the second leads, and described at least one the second leads and described many first leads form at least one space crossed point.
24. capacitance touching control sensor as claimed in claim 23, wherein this opaque conductive material is a metal.
25. capacitance touching control sensor as claimed in claim 23, at least one in wherein said many first leads are continuous.
26. condenser type as claimed in claim 25 goes out touch sensing, at least one in wherein said many first leads are discontinuous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102959236A CN101950230B (en) | 2010-09-21 | 2010-09-21 | Capacitive touch sensor and capacitive touch device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102959236A CN101950230B (en) | 2010-09-21 | 2010-09-21 | Capacitive touch sensor and capacitive touch device |
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| CN104076997A (en) * | 2013-03-27 | 2014-10-01 | 株式会社日本显示器 | Display device with touch detection function and electronic apparatus |
| CN104076992A (en) * | 2013-03-27 | 2014-10-01 | 群创光电股份有限公司 | Touch element and electronic device |
| CN104636015A (en) * | 2015-01-13 | 2015-05-20 | 昆山龙腾光电有限公司 | Touch display device |
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| WO2016187912A1 (en) * | 2015-05-26 | 2016-12-01 | 深圳市华星光电技术有限公司 | Touch control display apparatus, control method therefor and circuit |
| CN108415629A (en) * | 2017-02-09 | 2018-08-17 | 晶门科技（中国）有限公司 | A kind of device and its manufacturing method combining capacitance touching control sensor |
| CN108897463A (en) * | 2018-07-06 | 2018-11-27 | 昆山国显光电有限公司 | Touch device and display device |
| WO2020233040A1 (en) * | 2019-05-17 | 2020-11-26 | 苏州诺菲纳米科技有限公司 | Touch sensor and preparation method thereof |
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| CN104871119B (en) * | 2012-12-28 | 2017-11-10 | 夏普株式会社 | Touch panel substrate and electronic equipment |
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| CN104076997B (en) * | 2013-03-27 | 2017-10-13 | 株式会社日本显示器 | Display device and electronic equipment with touch detection function |
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| CN108415629A (en) * | 2017-02-09 | 2018-08-17 | 晶门科技（中国）有限公司 | A kind of device and its manufacturing method combining capacitance touching control sensor |
| CN108897463A (en) * | 2018-07-06 | 2018-11-27 | 昆山国显光电有限公司 | Touch device and display device |
| CN108897463B (en) * | 2018-07-06 | 2021-08-06 | 广州国显科技有限公司 | Touch device and display device |
| WO2020233040A1 (en) * | 2019-05-17 | 2020-11-26 | 苏州诺菲纳米科技有限公司 | Touch sensor and preparation method thereof |
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