CN102681718A - Touch-control type sensing element and conductive electrode structure - Google Patents
Touch-control type sensing element and conductive electrode structure Download PDFInfo
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- CN102681718A CN102681718A CN2012100059504A CN201210005950A CN102681718A CN 102681718 A CN102681718 A CN 102681718A CN 2012100059504 A CN2012100059504 A CN 2012100059504A CN 201210005950 A CN201210005950 A CN 201210005950A CN 102681718 A CN102681718 A CN 102681718A
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Abstract
A touch-control type induction element and conductive electrode structure, the said touch-control type induction element includes the base plate and conductive block structure, conductive electrode structure, and multiple dielectric layer membranes set in base plate, the conductive block structure has first conductive block and second conductive block arranged in array, and multiple connection blocks connecting the first conductive block to form the first conductive unit of the multi-row form, the conductive electrode structure has multiple first wires electrically connected on the first conductive block, the said second conductive block is electrically connected to form the second conductive unit of the multi-row form, the first conductive unit and second conductive unit meet regard dielectric layer membrane as the interval, the invention reduces the conduction impedance with the arrangement of the said first wire, and then suitable for the large-scale touch-control panel or touch-control panel to make on the large-area base plate; the invention also provides a conductive electrode structure which is suitable for large-size touch control or a touch control panel on a large-area substrate.
Description
Technical field
The present invention relates to a kind of sensing element, particularly relate to a kind of touch sensing element and conductive electrode structure.
Background technology
Touch technology is former to be to use in industrial control field, and the panel that in recent years touch technology is imported portable electronic product has become the market mainstream.Contact panel mainly contains two kinds of electric resistance touch-control panel and capacitance type touch-control panels.Wherein, The life-span of electric resistance touch-control panel and tolerance are not enough; Can't continue satisfied industrial control field and consumption electronic products field required stricter product specification and the degree of stability of not being used as; And capacitance type touch-control panel also can be applicable to the multi-point touch function, and therefore, capacitance type touch-control panel has become the main flow of contact panel development.
Consulting Fig. 1, is the present touch sensing element of example explanation with a capacitance touching control sensing element 1, and this capacitance touching control sensing element 1 comprises that a substrate 11, one are arranged at the condenser network 12 on this substrate 11.This condenser network 12 comprises a conductive structure 121, a plurality of dielectric tunic 122, and a plurality of bridge formations 123.
Cooperate and to consult Fig. 2, this conductive structure 121 is formed on this substrate 11, and has a plurality of spaced first conducting blocks 124, a plurality of second conducting block of arranging at interval 125, and a plurality of connecting blocks 126.Said second conducting block 125 is interspersed for 124 one-tenth with said first conducting block; Said connecting block 126 is connected first adjacent in twos on the first direction Y conducting block 124, and said connecting block 126 defines a plurality of along first direction Y extension and spaced first conductive unit 127 with said first conducting block 124.
Said dielectric tunic 122 constitutes with insulating material, and the compartment of terrain is formed on the said connecting block 126, and covers the wherein a part of of said connecting block 126.
Cooperate and consult Fig. 3; Said bridge formation 123 is constituted with conductive material; And connect two adjacent second conducting blocks 125, and make said second conducting block 125 and said bridge formation 123 form most respectively along one differ from this first direction Y second direction X and spaced second conductive unit 128.General speech, this first and second direction Y, X are perpendicular to one another.Each is built bridge and 123 to cross over corresponding connecting block 126 and connect and be positioned on the dielectric tunic 122 on this corresponding connecting block 126.Said first and second conducting block 124,125, said connecting block 126, said dielectric tunic 122, said bridge formation 123 matches with peripheral setting area and form most inductance capacitances 129.
When pressing this capacitance touching control sensing element 1 with finger; Can make the electric charge redistribution adjustment on it; The capacitance at the place of pressing changes; The arithmetical unit of this capacitance touching control sensing element 1 (scheming not shown) can calculate the position that the numerical value of this inductance capacitance 129 changes, and for example shows or other start parameters for follow-up.
At present the subject matter of capacitance touching control sensing element 1 is that first conducting block 124, second conducting block 125 of this conductive structure 121 are by transparent conductive material with connecting block 126; For example tin oxide or indium tin oxide constitute, but the sheet resistance value of the unit area of transparent conductive material itself is approximately 30～100 Ω/cm
2Even, greater than 100 Ω/cm
2So, can form the high impedance that difficulty is ignored at the equivalent electrical circuit of this touch sensing element 1, cause along with panel size is bigger, the impedance meeting is bigger, even causes opening circuit and can't start.
Summary of the invention
The object of the present invention is to provide and a kind ofly have Low ESR and be applicable to large-sized touch sensing element.
In addition, another object of the present invention is to provide a kind of conductive electrode structure that large touch is used that is fit to be applied to.
So; Touch sensing element of the present invention; Comprise a substrate and a touch sensor circuit; This touch sensor circuit is arranged on this substrate and comprises a conducting block structure, a conductive electrode structure; And a plurality of dielectric tunics; This conducting block structure has first conducting block of a plurality of arrayed at interval, a plurality of second conducting block, and a plurality of connecting blocks, and each connecting block connects two adjacent first conducting blocks; And make said first conducting block be formed by connecting to arrange spaced first conductive units through said connecting block more; Said second conducting block and said first conducting block are interspersed, and said second conducting block be electrically connected to each other form that many rows are spaced and with the second staggered conductive unit of said first conductive unit, this conductive electrode structure comprises many first leads that are arranged at said first conducting block respectively; Each first lead is the material formation that is lower than this first conducting block and connecting block with resistance value; Each dielectric tunic is arranged at the confluce of arbitrary first conductive unit and second conductive unit, and makes first conductive unit of this confluce and second conductive unit borrow this dielectric tunic each interval, and first lead that is arranged on each first conductive unit is not less than 30% along total projection length and each first conductive unit that this ranked first the conductive unit length direction along the ratio that this ranked first the projected length of conductive unit length direction.
Preferably, first lead that is arranged on each first conductive unit is not less than 90% along total projection length and each first conductive unit that this ranked first the conductive unit length direction along the ratio that this ranked first the projected length of conductive unit length direction.
Preferably; This conductive electrode structure also has many second leads that are arranged at said second conducting block respectively; Each second lead is lower than the material formation of the second corresponding conducting block respectively with resistance value; The ratio of the sheet resistance value of the sheet resistance value of the constituent material of this conductive electrode structure and this conduction block structured constituent material is less than 10%, and second lead that is arranged on each second conductive unit is not less than 30% along total projection length and each second conductive unit that this ranked second the conductive unit length direction along the ratio that this ranked second the projected length of conductive unit length direction.
Preferably, this conducting block structure is to be selected from metal, alloy, tin oxide, indium tin oxide, indium-zinc oxide, CNT, and aforesaid one is combined as the material formation.
Preferably, this conductive electrode structure is to be selected from low-impedance metal or alloy to constitute.
Preferably, said dielectric tunic is to be selected from photoresistance, acryl, polycarbonate, tygon, monox, silicon nitride, plastics, glass, and aforesaid one is combined as the material formation.
Preferably, this substrate is to be selected from acryl, polycarbonate, tygon, plastics, glass, and aforesaid one is combined as material and constitutes.
Preferably, this touch sensing element comprises also that one deck is arranged at that opposite this substrate is provided with another surface of this touch sensor circuit and as transparent electrode layer of shielding.
Preferably, this touch sensing element also comprises a signal transmission line road that is electrically connected this touch sensor circuit and can receives extraneous signal.
Preferably, this signal transmission line road and this conductive electrode structure formation type altogether.
Preferably; First lead that is arranged on each first conductive unit is not less than 95% along total projection length and each first conductive unit that this ranked first the conductive unit length direction along the ratio that this ranked first the projected length of conductive unit length direction, and this second lead is not less than 95% along total projection length and each second conductive unit that this ranked second the conductive unit length direction along the ratio that this ranked second the projected length of conductive unit length direction.
Preferably; Being arranged at first lead on each first conductive unit and along this total projection length and each first conductive unit that ranked first the conductive unit length direction along this ratio that ranked first the projected length of conductive unit length direction being 100% is conducting completely, and this second lead is 100% to be all fronts conducting along this total projection length that ranked second the conductive unit length direction and each second conductive unit along this ratio that ranked second the projected length of conductive unit length direction.
Preferably, this touch sensing element also comprises one first conducting line and one second conducting line, and this first conducting line all electrically conducts said first conductive unit, and this second conducting line all electrically conducts said second conductive unit.
Preferably; This touch sensing element also comprises one and selectively switches this arbitrary first conductive unit and become an electric conducting state with second conductive unit; And the change-over switch of an off state; This change-over switch selectively is arranged on this substrate, this touch sensor circuit periphery, peripheral circuit, and on the integrated circuit.
So; Touch sensing element of the present invention comprises a substrate and a touch sensor circuit; This substrate is constituted with the material of insulation; And has an opposite first surface; And a second surface, this touch sensor circuit comprises a conducting block structure, and a conductive electrode structure; Second conducting block that this conducting block structure has on a plurality of first surfaces that are arranged at this substrate and is interspersed on first conducting block, a plurality of second surface that is arranged at this substrate of arrayed and with said first conducting block at interval; And a plurality of connecting blocks, each connecting block connects two adjacent first conducting blocks, and makes said first conducting block through said connecting block spaced first conductive units of many rows that are formed by connecting; Said second conducting block is electrically connected to each other forms how row is spaced and projection and the second staggered conductive unit of said first conductive unit; This conductive electrode structure comprises many first leads that are arranged at said first conducting block respectively, and each first lead is the material formation that is lower than this first conducting block and connecting block with resistance value, and first lead that is arranged on each first conductive unit is not less than 30% along total projection length and each first conductive unit that this ranked first the conductive unit length direction along the ratio that this ranked first the projected length of conductive unit length direction.
Preferably, the ratio of the sheet resistance value of the sheet resistance value of the constituent material of this conductive electrode structure and this conduction block structured constituent material is less than 10%.
Preferably, this conductive electrode structure is to be selected from low-impedance metal or alloy to constitute.
Preferably, this substrate is to be selected from acryl, polycarbonate, tygon, plastics, glass, and aforesaid one is combined as material and constitutes.
Preferably, this touch sensing element also comprises a signal transmission line road that is electrically connected this touch sensor circuit and can receives extraneous signal, and this signal transmission line road and this conductive electrode structure be the formation type altogether.
Preferably; First lead that is arranged on each first conductive unit is not less than 95% along total projection length and each first conductive unit that this ranked first the conductive unit length direction along the ratio that this ranked first the projected length of conductive unit length direction; This conductive electrode structure also has a plurality of second leads that are arranged at said second conducting block respectively; Each second lead is lower than the material formation of the second corresponding conducting block respectively with resistance value, this second lead is not less than 95% along total projection length and each second conductive unit that this ranked second the conductive unit length direction along the ratio that this ranked second the projected length of conductive unit length direction.
Preferably; Being arranged at first lead on each first conductive unit and along this total projection length and each first conductive unit that ranked first the conductive unit length direction along this ratio that ranked first the projected length of conductive unit length direction being 100% is conducting completely, and this second lead is 100% to be all fronts conducting along this total projection length that ranked second the conductive unit length direction and each second conductive unit along this ratio that ranked second the projected length of conductive unit length direction.
Preferably, this touch sensing element also comprises one and selectively switches this arbitrary first conductive unit and become an electric conducting state with second conductive unit, reaches the change-over switch of an off state.
So; Conductive electrode structure provided by the present invention; Be arranged on the touch control induction circuit; This touch control induction circuit has and ranked first conductive unit, many rows and the second staggered conductive unit of said first conductive unit more; And a plurality of dielectric tunics that are arranged at the confluce of arbitrary first conductive unit and arbitrary second conductive unit respectively; This conductive electrode structure comprises many first leads, and each first lead is arranged on each first conductive unit with material formation and the correspondence that resistance value is lower than this first conductive unit, and each first lead is not less than 30% along total projection length and each first conductive unit that this ranked first the conductive unit length direction along the ratio that this ranked first the projected length of conductive unit length direction.
Preferably, first lead that is arranged on each first conductive unit is not less than 90% along total projection length and each first conductive unit that this ranked first the conductive unit length direction along the ratio that this ranked first the projected length of conductive unit length direction.
Preferably, the ratio of the sheet resistance value of the constituent material of the sheet resistance value of the constituent material of this conductive electrode structure and this first conductive unit is less than 10%.
Beneficial effect of the present invention is: the first lower lead of impedance is set on first conducting block; Each first lead is not less than 30% along total projection length and each first conductive unit that this ranked first the conductive unit length direction along the ratio that this ranked first the projected length of conductive unit length direction; Make touch control induction circuit integral body have more uniform equivalent low impedance circuit, and operate applicable to large touch.
Description of drawings
Fig. 1 is a schematic top plan view, and a kind of touch sensing element in the past is described;
Fig. 2 is a cross-sectional schematic, explains that of in the past touch sensing element ranked first conductive unit;
Fig. 3 is a cross-sectional schematic, explains that of in the past touch sensing element ranked second conductive unit;
Fig. 4 is a schematic top plan view, and first preferred embodiment of touch sensing element of the present invention is described;
Fig. 5 is a cross-sectional schematic, explains that of this first preferred embodiment ranked first conductive unit;
Fig. 6 is a cross-sectional schematic, explains that of this first preferred embodiment ranked second conductive unit;
Fig. 7 is a schematic top plan view, and the touch sensing element of touch sensing element of the present invention as electromagnetic type is described;
Fig. 8 is a schematic top plan view, explains that touch sensing element of the present invention can be used as the touch sensing element that has capacitive touch sensing element and electromagnetic type concurrently;
Fig. 9 is a cross-sectional schematic, explains that of this second preferred embodiment ranked first conductive unit;
Figure 10 is a cross-sectional schematic, explains that of this second preferred embodiment ranked second conductive unit.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
Consult Fig. 4, cooperate and to consult Fig. 5, first preferred embodiment of the present invention is be that example is explained with a capacitive touch sensing element 2, comprises a substrate 21, reaches a touch sensor circuit 22 that is arranged on this substrate 21.This touch sensor circuit 22 comprises a conducting block structure 221, a conductive electrode structure 222, and a plurality of dielectric tunics 223.
This substrate 21 is to be selected from acryl, polycarbonate, tygon, plastics, glass, and aforesaid one is combined as material and constitutes.
But this conducting block structure 221 constitutes with conductive material and is arranged on this substrate 21; And comprise that a plurality of one-tenth arrays are arranged and first conducting block 224 of each interval, a plurality of one-tenth array is arranged and second conducting block 225 of each interval; And a plurality of connecting blocks 226, first conducting block 224 and second conducting block 225 of this conducting block structure 221 can be rectangle, rhombus, triangle, polygon etc.
Said connecting block 226 is connected to the first adjacent in twos conducting block 224 of a first direction Y; And make said first conducting block 224 and said connecting block 226 define many rows respectively towards this first direction Y and the first parallel conductive unit 231; That is, this first direction Y one ranked first conductive unit 231 length directions or electrical conduction orientation.
In this first preferred embodiment, this conducting block structure 221 is to be selected from metal, alloy, tin oxide, indium tin oxide, indium-zinc oxide, or CNT, and aforesaid one is combined as material and constitutes.
This conductive electrode structure 222 constitutes with conductive material, and the sheet resistance value of this conductive material is selected from low-impedance metal at this and constitutes less than the sheet resistance value of the conductive material that constitutes this conducting block structure 221.This conductive electrode structure 222 comprises many first leads 227, and many second leads 228.Said first lead 227 is connected on said first conducting block 224; And length direction is along these first conductive unit, 231 length directions; Each first lead 227 is the material formations that are lower than this first conducting block 224 and connecting block 226 with resistance value; In addition, each first lead 227 is not less than 30% at total projection length and each first conductive unit 231 that this ranked first conductive unit 231 length directions in the ratio that this ranked first the projected length of conductive unit 231 length directions.
Consult Fig. 4, Fig. 5, Fig. 6, second conducting block 225 of this conducting block structure 221 is electrically connected in last second lead 228 through this conductive electrode structure 222 of a second direction X and is connected into a plurality of parallel and spaced second conductive units 232.Therefore, this second direction X one ranked second conductive unit 232 length directions or electrical conduction orientation.The confluce of the said connecting block 226 of this second conductive unit 232 and first conductive unit 231 is not provided with said connecting block 226 contiguously.Each second lead 228 is not less than 30% at total projection length and each second conductive unit 232 that this ranked second conductive unit 232 length directions in the ratio that this ranked second the projected length of conductive unit 232 length directions.
Preferably; Second lead 228 on each second conductive unit 232 is not less than 90% along total projection length and each second conductive unit 232 that this ranked second conductive unit 232 length directions along the ratio that this ranked second the projected length of conductive unit 232 length directions; First lead 227 on each first conductive unit 231 is not less than 90% along total projection length and each first conductive unit 231 that this ranked first conductive unit 231 length directions along the ratio that this ranked first the projected length of conductive unit 231 length directions, and/or the ratio of the sheet resistance value of the constituent material of the sheet resistance value of the constituent material of this conductive electrode structure 222 and this conducting block structure 221 is less than 10%.
Preferably; First lead 227 that is arranged on each first conductive unit 231 is not less than 95% along total projection length and each first conductive unit 231 that this ranked first conductive unit 231 length directions along the ratio that this ranked first the projected length of conductive unit 231 length directions; This second lead 228 is not less than 95% along total projection length and each second conductive unit 232 that this ranked second conductive unit 232 length directions along the ratio that this ranked second the projected length of conductive unit 232 length directions, can reduce the whole impedance of element more significantly.More preferably; Being arranged at first lead 227 on each first conductive unit 231 and along this total projection length and each first conductive unit 231 that ranked first conductive unit 231 length directions along this ratio that ranked first the projected length of conductive unit 231 length directions being 100% is conducting completely, and this second lead 228 is 100% to be all fronts conducting along this total projection length that ranked second conductive unit 232 length directions and each second conductive unit 232 along this ratio that ranked second the projected length of conductive unit 232 length directions.
More preferably, the ratio of the sheet resistance value of the constituent material of the sheet resistance value of the constituent material of this conductive electrode structure 222 and this conducting block structure 221 is less than 3%.
Each dielectric tunic 223 is arranged at each first conductive unit 231 respectively accordingly; And the confluce of each second conductive unit 232; And with the connecting block 226 of this dielectric tunic 223 as this confluce; And the interval of second lead 228, and make said first conducting block 224, second conducting block 225, this connecting block 226, said first lead 227, said second lead 228 and the overlapping of said dielectric tunic 223; The first coupled conductive unit 231 and the neighboring area effect of interacting of second conductive unit 232, and match and form a plurality of capacitive sensings unit 233.
General speech, this first direction Y and second direction X fold a special angle each other.In this first preferred embodiment, said dielectric tunic 223 materials can be to be selected from photoresistance, acryl, polycarbonate, tygon, monox, silicon nitride, plastics, glass, and an aforesaid combination.
Because each first lead 227 is not less than at total projection length and each first conductive unit 231 that this ranked first conductive unit 231 length directions at 30% o'clock in the ratio that this ranked first the projected length of conductive unit 231 length directions; And/or each second lead 228 is not less than at total projection length and each second conductive unit 232 that this ranked second conductive unit 232 length directions at 30% o'clock in the ratio that this ranked second the projected length of conductive unit 232 length directions, and the integral surface resistance value can descend 30%～50%; Second lead 228 on each second conductive unit 232 is not less than 90% along total projection length and each second conductive unit 232 that this ranked second conductive unit 232 length directions along the ratio that this ranked second the projected length of conductive unit 232 length directions; And/or first lead 227 on each first conductive unit 231 is not less than along total projection length and each first conductive unit 231 that this ranked first conductive unit 231 length directions at 90% o'clock along the ratio that this ranked first the projected length of conductive unit 231 length directions, the sheet resistance value decline 80%～95% that element is whole.Therefore; This first preferred embodiment utilization is connected in the low Equivalent Surface impedance of second lead 228 of this conductive electrode structure 222 on first lead 227 and second conducting block 225 that is connected in this conducting block structure 221 of this conductive electrode structure 222 of first conducting block 224 of this conducting block structure 221; And electric current is advanced at this touch sensor circuit 22 can promote start time the speed and smooth and easy degree, and then the transfer rate of the current signal of this touch sensing element 2 is more efficient at present to supply to press current signal that the capacitive sensing unit 233 of each confluce produces.
When these touch sensing element 2 sizes increase; Still can be through the Low ESR of this conductive electrode structure 222; And keep quick, stable touch-control sensing start; And can avoid using at present transparent conductive films such as tin oxide or indium tin oxide as the large touch panel of this conductive structure meet with because of film forming inequality opening circuit of causing, electrical impedance is inhomogeneous or the high impedance transmission line problem makes its inductive effects inconsistent, cause the touch-control reaction to be lost efficacy or linear not good problem, or touch-control reaction feedback is slow; Or problem such as the repeatability of volume production is bad, so can effectively promote processing procedure and even product yield.
In addition; What need explanation is; The manufacturing process of touch sensing element 2 of the present invention; Roughly be to utilize light shield on this substrate 21, to form first conducting block 224 and second conducting block 225 of this conducting block structure 221 earlier through deposition and processing procedure such as patterning, again by another light shield through processing procedures such as deposition and patternings, the said dielectric tunic 223 of formation on said first conducting block 224 and second conducting block 225; And the signal transmission line road 91 (Fig. 7) that connects panel and arithmetical unit owing to this conductive electrode structure 222 and all can be made up of metal; So can directly utilize at last light shield and through deposition and processing procedures such as patterning on this first conducting block 224, second conducting block 225 and said dielectric tunic 223, form simultaneously, said first lead 227 of structure, second lead 228 and signal transmission line road 91 (Fig. 7) altogether; That is to say; The present invention need not be in particular make said first lead 227 with second lead 228 how light shield processing procedure; Can make on the contrary said first lead 227, second lead 228 and signal transmission line road 91 (Fig. 7) in people having a common goal's light shield processing procedure altogether structure accomplish, and produce touch-control, the more stable touch sensing element 2 of start.
Especially; Touch sensing element 2 of the present invention also can comprise layer of transparent electrode layer 24; This transparent electrode layer 24 is connected in the other side of this substrate 21 away from this touch sensor circuit 22; And and 22 of this touch sensor circuits have a preset distance, and can cover extraneous interference electric charge and signal.
Consult Fig. 7, in addition, touch sensing element 2 of the present invention also can comprise a signal transmission line road 91 that is electrically connected this touch sensor circuit 22 and can receives extraneous signal, and this signal transmission line road 91 and this conductive electrode structure 222 formation type altogether.
What need explain is again; First lead 227 on each first conductive unit 231 of the present invention is not less than 95% along total projection length and each first conductive unit 231 that this ranked first conductive unit 231 length directions along the ratio that this ranked first the projected length of conductive unit 231 length directions; And this second lead 228 also is not less than 95% along total projection length and each second conductive unit 232 that this ranked second conductive unit 232 length directions along the ratio that this ranked second the projected length of conductive unit 232 length directions; And with this first lead 227, second lead 228 is pulled out and more respectively with the first conducting line 92 and the second conducting line, the 93 formation loops that are arranged on this substrate 21; This first conducting line 92 all electrically conducts said first conductive unit 231; And this second conducting line 93 all electrically conducts said second conductive unit 232; Then can match, and be applied to electromagnetic type induction contact panel as the loop of electromagnetic touch-control panel.
What need explain is again; First lead 227 of above-mentioned conductive electrode structure 222 and second lead 228 mainly constitute with the metal of low resistance; So except can touch sensing element 2 of the present invention being applied to the capacitance type touch-control panel; First lead 227 on each first conductive unit 231 of the present invention is 100% for electrically conducting along this total projection length and each first conductive unit 231 that ranked first conductive unit 231 length directions along this ratio that ranked first the projected length of conductive unit 231 length directions; And this second lead 228 also is 100% for electrically conducting along this total projection length and each second conductive unit 232 that ranked second conductive unit 232 length directions along this ratio that ranked second the projected length of conductive unit 232 length directions; And with this first lead 227 and second lead 228 is pulled out and more respectively with the first conducting line 92 and the second conducting line, the 93 formation loops that are arranged on this substrate 21; This first conducting line 92 all electrically conducts said first conductive unit 231; And this second conducting line 93 all electrically conducts said second conductive unit 232; Then can match, and be applied to electromagnetic type induction contact panel as the loop of electromagnetic touch-control panel.
Consult Fig. 8; In addition, this touch sensing element 2 also can comprise a change-over switch 94 that is electrically connected with first lead 227 and second lead 228 of this conductive electrode structure 222, and this change-over switch 94 is selectively switched this arbitrary first conductive unit 231,232 one-tenth one electric conducting states of second conductive unit; An and off state; When these change-over switch 94 conductings, form the loop, can match as the loop of electromagnetic touch-control, and as the electromagnetic touch-control panel; When this change-over switch 94 opens circuit, can be used as the capacitance touching control sensing element, so can be and have electromagnetic type and capacitive induction contact panel concurrently.This change-over switch 94 visual needed environment and selectively be arranged on substrate, touch sensor circuit periphery, peripheral circuit, and on the integrated circuit.
Consult Fig. 9, Figure 10; Figure 10 is the cut-open view that is different from the profile direction of Fig. 9; One second preferred embodiment of the present invention is similar with this first preferred embodiment; It does not exist together and only is that this substrate 21 comprises a first surface 211, and one side is in contrast to the second surface 212 of this first surface 211, and first conducting block 224 of this conducting block structure 221 is arranged on the first surface 211 of this substrate 21 and arrayed at interval; Said second conducting block 225 is arranged on the second surface 212 of this substrate 21 and with said first conducting block 224 and is interspersed; Each connecting block 226 connects two adjacent first conducting blocks 224, this second preferred embodiment also can have one connect two adjacent second conducting blocks 225 second connecting block (figure does not show), or connect two adjacent second conducting blocks 225 through said second lead 228.
Said first conducting block 224 is through said connecting block 226 spaced first conductive units 231 of many rows that are formed by connecting, and said second conducting block 225 is electrically connected to each other through said second lead 228 and forms that many rows are spaced and projection and the second staggered conduction list 232 of said first conductive unit 231.
This second preferred embodiment is passed through with this substrate 21 as dielectric layer or insulation course; Can reduce the cost of touch sensing element 2 of the present invention; And only need form said first conducting block 224, second conducting block 225 and connecting block 226 and said first lead 227 and second lead 228 at first surface of this substrate 21 211 and second surface 222; And do not need other deposit dielectric tunic, more simplify processing procedure required time and complexity.
The present invention utilizes first lead 227 and second lead 228 that is arranged at first conducting block 224 and second conducting block 225 respectively; Reduce the Equivalent Surface impedance of touch sensing element 2 integral body; And can avoid conducting block structure 221 to lose efficacy or problems such as linear not good probability or high impedance transmission line because of the film forming inequality causes touch-control reaction; And the reaction rate when improving start, and be suitable for being applied in large-sized capacitance type touch-control panel.
Claims (19)
1. a touch sensing element comprises a substrate; It is characterized in that:
This touch sensing element also comprises a touch sensor circuit; This touch sensor circuit is arranged on this substrate and comprises a conducting block structure, a conductive electrode structure; And a plurality of dielectric tunics; This conducting block structure has first conducting block of a plurality of arrayed at interval, a plurality of second conducting block; And a plurality of connecting blocks; Each connecting block connects two adjacent first conducting blocks, and makes said first conducting block through said connecting block spaced first conductive units of many rows that are formed by connecting, and said second conducting block and said first conducting block are interspersed; And said second conducting block be electrically connected to each other form that many rows are spaced and with the second staggered conductive unit of said first conductive unit; This conductive electrode structure comprises many first leads that are arranged at said first conducting block respectively, and each first lead is the material formation that is lower than this first conducting block and connecting block with resistance value, and each dielectric tunic is arranged at the confluce of arbitrary first conductive unit and second conductive unit; And making first conductive unit of this confluce and second conductive unit borrow this dielectric tunic each interval, first lead that is arranged on each first conductive unit is not less than 30% along total projection length and each first conductive unit that this ranked first the conductive unit length direction along the ratio that this ranked first the projected length of conductive unit length direction.
2. touch sensing element according to claim 1 is characterized in that: first lead that is arranged on each first conductive unit is not less than 90% along total projection length and each first conductive unit that this ranked first the conductive unit length direction along the ratio that this ranked first the projected length of conductive unit length direction.
3. touch sensing element according to claim 1; It is characterized in that: this conductive electrode structure also has many second leads that are arranged at said second conducting block respectively; Each second lead is lower than the material formation of the second corresponding conducting block respectively with resistance value; And the ratio of the sheet resistance value of the sheet resistance value of the constituent material of this conductive electrode structure and this conduction block structured constituent material is less than 10%, and second lead that is arranged on each second conductive unit is not less than 30% along total projection length and each second conductive unit that this ranked second the conductive unit length direction along the ratio that this ranked second the projected length of conductive unit length direction.
4. according to claim 1 or 3 described touch sensing elements, it is characterized in that: this conducting block structure is to be selected from metal, alloy, tin oxide, indium tin oxide, indium-zinc oxide, CNT, and aforesaid one is combined as the material formation.
5. according to claim 1 or 3 described touch sensing elements, it is characterized in that: said dielectric tunic is to be selected from photoresistance, acryl, polycarbonate, tygon, monox, silicon nitride, plastics, glass, and aforesaid one is combined as the material formation.
6. according to claim 1 or 3 described touch sensing elements, it is characterized in that: this touch sensing element also comprises a signal transmission line road that is electrically connected this touch sensor circuit and can receives extraneous signal.
7. touch sensing element according to claim 6 is characterized in that: this signal transmission line road and this conductive electrode structure be the formation type altogether.
8. touch sensing element according to claim 3; It is characterized in that: first lead that is arranged on each first conductive unit is not less than 95% along total projection length and each first conductive unit that this ranked first the conductive unit length direction along the ratio that this ranked first the projected length of conductive unit length direction, and this second lead is not less than 95% along total projection length and each second conductive unit that this ranked second the conductive unit length direction along the ratio that this ranked second the projected length of conductive unit length direction.
9. touch sensing element according to claim 3; It is characterized in that: being arranged at first lead on each first conductive unit and along this total projection length and each first conductive unit that ranked first the conductive unit length direction along this ratio that ranked first the projected length of conductive unit length direction being 100% is conducting completely, and this second lead is 100% to be all fronts conducting along this total projection length that ranked second the conductive unit length direction and each second conductive unit along this ratio that ranked second the projected length of conductive unit length direction.
10. according to Claim 8 or 9 described touch sensing elements; It is characterized in that: this touch sensing element also comprises one first conducting line and one second conducting line; This first conducting line all electrically conducts said first conductive unit, and this second conducting line all electrically conducts said second conductive unit.
11. according to Claim 8 or 9 described touch sensing elements; It is characterized in that: this touch sensing element also comprises one and selectively switches this arbitrary first conductive unit and become an electric conducting state with second conductive unit; And the change-over switch of an off state; This change-over switch selectively is arranged on this substrate, this touch sensor circuit periphery, peripheral circuit, and on the integrated circuit.
12. touch sensing element; It is characterized in that: this touch sensing element comprises a substrate and a touch sensor circuit; This substrate is constituted with the material of insulation; And has an opposite first surface; And a second surface, this touch sensor circuit comprises a conducting block structure, and a conductive electrode structure; Second conducting block that this conducting block structure has on a plurality of first surfaces that are arranged at this substrate and is interspersed on first conducting block, a plurality of second surface that is arranged at this substrate of arrayed and with said first conducting block at interval; And a plurality of connecting blocks, each connecting block connects two adjacent first conducting blocks, and makes said first conducting block through said connecting block spaced first conductive units of many rows that are formed by connecting; Said second conducting block is electrically connected to each other forms how row is spaced and projection and the second staggered conductive unit of said first conductive unit; This conductive electrode structure comprises many first leads that are arranged at said first conducting block respectively, and each first lead is the material formation that is lower than this first conducting block and connecting block with resistance value, and first lead that is arranged on each first conductive unit is not less than 30% along total projection length and each first conductive unit that this ranked first the conductive unit length direction along the ratio that this ranked first the projected length of conductive unit length direction.
13. touch sensing element according to claim 12 is characterized in that: the ratio of the sheet resistance value of the sheet resistance value of the constituent material of this conductive electrode structure and this conduction block structured constituent material is less than 10%.
14. touch sensing element according to claim 12; It is characterized in that: this touch sensing element also comprises one and is electrically connected this touch sensor circuit and can receives the signal transmission line road of extraneous signal, and this signal transmission line road and this conductive electrode structure formation type altogether.
15. touch sensing element according to claim 12; It is characterized in that: first lead that is arranged on each first conductive unit is not less than 95% along total projection length and each first conductive unit that this ranked first the conductive unit length direction along the ratio that this ranked first the projected length of conductive unit length direction; This conductive electrode structure also has a plurality of second leads that are arranged at said second conducting block respectively; Each second lead is lower than the material formation of the second corresponding conducting block respectively with resistance value, this second lead is not less than 95% along total projection length and each second conductive unit that this ranked second the conductive unit length direction along the ratio that this ranked second the projected length of conductive unit length direction.
16. touch sensing element according to claim 12; It is characterized in that: being arranged at first lead on each first conductive unit and along this total projection length and each first conductive unit that ranked first the conductive unit length direction along this ratio that ranked first the projected length of conductive unit length direction being 100% is conducting completely, and this second lead is 100% to be all fronts conducting along this total projection length that ranked second the conductive unit length direction and each second conductive unit along this ratio that ranked second the projected length of conductive unit length direction.
17. according to claim 15 or 16 described touch sensing elements; It is characterized in that: this touch sensing element also comprises one and selectively switches this arbitrary first conductive unit and become an electric conducting state with second conductive unit, reaches the change-over switch of an off state.
18. conductive electrode structure; Be arranged on the touch control induction circuit; This touch control induction circuit has and ranked first conductive unit, many rows and the second staggered conductive unit of said first conductive unit more; And a plurality of dielectric tunics that are arranged at the confluce of arbitrary first conductive unit and arbitrary second conductive unit respectively, it is characterized in that:
This conductive electrode structure comprises many first leads; Each first lead is arranged on each first conductive unit with material formation and the correspondence that resistance value is lower than this first conductive unit, and each first lead is not less than 30% along total projection length and each first conductive unit that this ranked first the conductive unit length direction along the ratio that this ranked first the projected length of conductive unit length direction.
19. conductive electrode structure according to claim 18 is characterized in that: the ratio of the sheet resistance value of the constituent material of the sheet resistance value of the constituent material of this conductive electrode structure and this first conductive unit is less than 10%.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100100960A TWI459252B (en) | 2011-01-11 | 2011-01-11 | Touch-type inductive device and conductive electrode structure |
| TW100100960 | 2011-01-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102681718A true CN102681718A (en) | 2012-09-19 |
| CN102681718B CN102681718B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210005950.4A Expired - Fee Related CN102681718B (en) | 2011-01-11 | 2012-01-10 | Touch-control type sensing element and conductive electrode structure |
Country Status (2)
| Country | Link |
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| CN (1) | CN102681718B (en) |
| TW (1) | TWI459252B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104656967A (en) * | 2013-11-22 | 2015-05-27 | 胜华科技股份有限公司 | Touch control panel |
| CN104752387A (en) * | 2013-12-31 | 2015-07-01 | 禾瑞亚科技股份有限公司 | Circuit configuration of touch integrated circuit |
| CN108268162A (en) * | 2016-12-30 | 2018-07-10 | 禾瑞亚科技股份有限公司 | Multi-channel touch controller with channel switching circuit |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106919278A (en) * | 2015-12-28 | 2017-07-04 | 宸鸿科技(厦门)有限公司 | Contact panel |
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| CN108268162A (en) * | 2016-12-30 | 2018-07-10 | 禾瑞亚科技股份有限公司 | Multi-channel touch controller with channel switching circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI459252B (en) | 2014-11-01 |
| TW201229842A (en) | 2012-07-16 |
| CN102681718B (en) | 2016-03-23 |
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