CN102081486A - Capacitive touch inductor - Google Patents
Capacitive touch inductor Download PDFInfo
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- CN102081486A CN102081486A CN 201010598376 CN201010598376A CN102081486A CN 102081486 A CN102081486 A CN 102081486A CN 201010598376 CN201010598376 CN 201010598376 CN 201010598376 A CN201010598376 A CN 201010598376A CN 102081486 A CN102081486 A CN 102081486A
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Abstract
The invention provides a capacitive touch inductor comprising an insulating substrate (1), a first induction electrode (2), a first auxiliary induction unit (22) array, a first induction electrode lead (23), a second induction electrode (3) and a second induction electrode lead (33), wherein the first induction electrode (2), the first auxiliary induction unit (22) array and first induction electrode lead (23) are formed on the surface of the insulating substrate (1), and the first induction electrode (2) comprises a first induction unit (21) array; the second induction electrode (3) and thesecond induction electrode lead (33) are positioned on the lower surface of the insulating substrate (1), and the second induction electrode (3) comprises a second induction unit (31) array; the first induction electrode (2) and the second induction electrode (3) are orthogonal to each other; the first induction unit (21) array and the second induction unit (31) array are staggered with each other; and the first induction unit (21) array and the first auxiliary induction unit (22) array are staggered with each other and mutually overlapped with the second induction unit (31) array.
Description
Technical field
The present invention relates to a kind of capacitance touch inductor, particularly two-sided projected capacitive touch inductor.
Background technology
Capacitive touch screen, particularly two-sided capacitive touch screen, because the influence of substrate thickness, finger causes detected signal intensity difference from the electric weight difference that two-layer inductance capacitance up and down siphons away.Consider if above inductor, increase certain thickness cover sheet, then can further reduce the signal intensity of lower floor's sensing unit, cause sensitivity to descend.Because the sensing unit of two-sided capacitive touch screen lays respectively at the two-layer up and down of substrate, has drop, under certain visual angle, can observe sensing unit significantly, influenced visual effect.
Summary of the invention
Technical matters:In order to solve the deficiency that prior art exists, the invention provides a kind of capacitance touch inductor, improve sensitivity by in the sensing unit interval, the auxiliary induction unit being set, improve visual effect simultaneously.
Technical scheme:Capacitance touch inductor of the present invention comprises that insulated substrate, first induction electrode that comprises the first sensing unit array, the first auxiliary induction cell array and first induction electrode that form at the insulated substrate upper surface go between; Second induction electrode that comprises the second sensing unit array and second induction electrode lead-in wire at base lower surface; Wherein, first induction electrode and the second induction electrode mutually orthogonal; The first sensing unit array and the second sensing unit array intermesh; The first sensing unit array and the first auxiliary induction cell array intermesh and overlap each other with the second sensing unit array.
This inductor comprises that insulated substrate, first induction electrode that comprises the first sensing unit array, the first auxiliary induction cell array and first induction electrode that form at the insulated substrate upper surface go between; Second induction electrode that comprises the second sensing unit array, the second auxiliary induction cell array and second induction electrode that form at base lower surface go between;
First induction electrode and the second induction electrode mutually orthogonal; The first sensing unit array and the second sensing unit array intermesh; The first auxiliary induction unit group and the second auxiliary induction unit group intermesh and overlap each other with the second sensing unit array and the first sensing unit array respectively.
First sensing unit, the first auxiliary induction unit, second sensing unit, the second auxiliary induction unit be shaped as rhombus, its catercorner length ratio is 0.6 ~ 1.4mm, catercorner length is 3 ~ 10mm; The spacing of first induction electrode and second induction electrode is 3 ~ 6mm.
Being shaped as the combination of a plurality of polygons and being formed by connecting of first sensing unit or second sensing unit.
The first auxiliary induction unit or the second auxiliary induction unit are that a plurality of polygons combine.
Gap width between first sensing unit and the first auxiliary induction unit, between second sensing unit and the second auxiliary induction unit is 0.01 ~ 0.3mm.
Insulated substrate is ceramic wafer, poly (methyl methacrylate) plate or the base material that is used to make printed circuit board, is monolayer material or multilayer materials, 0.01 ~ 3 millimeter of thickness.
The material of first induction electrode, the first auxiliary induction cell array, second induction electrode and the second auxiliary induction unit is tin indium oxide, zinc paste, tin oxide, Nano Silver, CNT transparent conductive material or copper, silver, nickel, chromium, gold, tin non-transparent metals or metal alloy conductive material.
First induction electrode lead-in wire and second induction electrode lead-in wire are metal or laminated films such as copper, silver, nickel, chromium, gold, tin, molybdenum, aluminium.
Adopt electroless plating or electric plating method to make the metal composite multilayer film on the first induction electrode lead wire set and the second induction electrode lead wire set transparent conductive material.
The first induction electrode lead wire set and the second induction electrode lead wire set comprise the contact conductor figure that forms with the identical materials of first induction electrode, the first auxiliary induction cell array, second induction electrode and the second auxiliary induction unit and adopt electroless plating thereon or metal composite multilayer film that electric plating method is made.
Beneficial effect:
⑴ the present invention has increased the electric capacity of second sensing unit by over against the position of second sensing unit auxiliary induction unit being set at the interval region of the first sensing unit array, has improved the signal intensity of second sensing unit effectively.
⑵ owing to be provided with the auxiliary induction unit at the interval region of the first sensing unit array of upper surface, eliminated because the large tracts of land white space that the first sensing unit array causes, shielded the light reflection of the second sensing unit array of lower floor's correspondence, weakened because the defects of vision that cause of the drop of two-layer sensing unit up and down.
Description of drawings
Fig. 1, Fig. 2 are capacitance touch inductor side view provided by the invention; Fig. 3 is a capacitance touch inductor vertical view provided by the invention,
Fig. 4 is a capacitance touch inductor T face synoptic diagram provided by the invention;
Fig. 5, Fig. 6 are capacitance touch inductor B face synoptic diagram provided by the invention;
Fig. 7 is polygon combination sensing unit synoptic diagram;
Fig. 8 is polygon combination auxiliary induction cell schematics;
Fig. 9 embodiment 7 described induction electrode lead-in wire synoptic diagram;
Figure 10 embodiment 8 described induction electrode lead-in wire synoptic diagram.
Embodiment
Capacitance touch inductor of the present invention, the first induction electrode group that comprises the first sensing unit array, the first auxiliary induction cell array and the first induction electrode lead wire set that comprise insulated substrate, form at upper surface of base plate; The second induction electrode group that comprises the second sensing unit array and the second induction electrode lead wire set in base lower surface formation; The first induction electrode group and the second induction electrode group mutually orthogonal; The first sensing unit array and the second sensing unit array intermesh; The first sensing unit array and the first auxiliary induction cell array intermesh and overlap each other with the second sensing unit array.
The present invention will be further described below in conjunction with accompanying drawing.
Embodiment 1:
This capacitance touch inductor shown in Fig. 1 a and Fig. 1 c, comprise that insulated substrate 1,2 groups of first induction electrodes that comprises first sensing unit, 21 arrays, the first auxiliary induction unit, 22 arrays and first induction electrode that form at substrate 1 upper surface (T face) go between 23 groups, as shown in Figure 2; 3 groups of second induction electrodes that comprise second sensing unit, 31 arrays and second induction electrode that form at substrate 1 lower surface (B face) go between 33 groups, shown in Fig. 3 a; 2 groups of above-mentioned first induction electrodes and 3 groups of mutually orthogonals of second induction electrode; First sensing unit, 21 arrays and second sensing unit, 31 arrays intermesh; First sensing unit, 21 arrays and the first auxiliary induction unit, 22 arrays intermesh and overlap each other with second sensing unit, 31 arrays; First sensing unit 21, the first auxiliary induction unit 22, second sensing unit, 31 its catercorner length ratios are 0.6 ~ 1.4mm, and catercorner length is 3 ~ 10mm; The spacing that 2 groups of first induction electrodes and second induction electrode are 3 groups is 3 ~ 6mm; Gap width between first sensing unit 21 and the first auxiliary induction unit 22 is 0.01 ~ 0.3mm
Embodiment 2:
A kind of capacitance touch inductor shown in Fig. 1 b, comprise that insulated substrate 1,2 groups of first induction electrodes that comprises first sensing unit, 21 arrays, the first auxiliary induction unit, 22 arrays and first induction electrode that form at substrate 1 upper surface (T face) go between 23 groups, as shown in Figure 2; 3 groups of second induction electrodes that comprises second sensing unit, 31 arrays, the second auxiliary induction unit, 32 arrays and second induction electrode that form at substrate 1 lower surface (B face) go between 33 groups, shown in Fig. 3 b; 2 groups of above-mentioned first induction electrodes and 3 groups of mutually orthogonals of second induction electrode; First sensing unit, 21 arrays and second sensing unit, 31 arrays intermesh; 22 groups of the first auxiliary induction unit and the second auxiliary induction unit intermesh and overlap each other with second sensing unit, 31 arrays and first sensing unit, 21 arrays respectively for 32 groups; First sensing unit 21, the first auxiliary induction unit 22, second sensing unit 31, the second auxiliary induction unit 32 be shaped as rhombus, its catercorner length ratio is 0.6 ~ 1.4mm, catercorner length is 3 ~ 10mm; The spacing that 2 groups of first induction electrodes and second induction electrode are 3 groups is 3 ~ 6mm; Gap width between first sensing unit 21 and the first auxiliary induction unit 22, between second sensing unit 31 and the second auxiliary induction unit 32 is 0.01 ~ 0.3mm.
Embodiment 3:
In the foregoing description 1 or the 2 described capacitance touch inductors, as shown in Figure 4, being shaped as a plurality of polygon combinations and interconnecting of first sensing unit 21, second sensing unit 31 forms.
Embodiment 4:
In the foregoing description 1 or the 2 described capacitance touch inductors, as shown in Figure 5, the first auxiliary induction unit 22 or the second auxiliary induction unit 32 combine for a plurality of polygons.
Embodiment 5:
In the foregoing description 1 or the 2 described capacitance touch inductors, insulated substrate 1 for ceramic wafer, poly (methyl methacrylate) plate, be used to make the base material of printed circuit board, also can be organic polymer sheet material or film such as transparent glass, polycarbonate, polymethacrylate or polyphenyl dioctyl phthalate glycol ester be transparent, can be for monolayer material also can be multilayer materials, 0.01 ~ 3 millimeter of thickness.
Embodiment 6:
In the foregoing description 1 or the 2 described capacitance touch inductors, the material of 2 groups of first induction electrodes, the first auxiliary induction unit, 22 arrays, 3 groups of second induction electrodes and the second auxiliary induction unit 32 is non-transparent metals or metal alloy conductive materials such as transparent conductive materials such as tin indium oxide, zinc paste, tin oxide, Nano Silver, CNT or copper, silver, nickel, chromium, gold, tin.
Embodiment 7:
As shown in Figure 6, in the foregoing description 1 or the 2 described capacitance touch inductors, it is metal or laminated films such as copper, silver, nickel, chromium, gold, tin that first induction electrode goes between that 23 groups and second induction electrode go between 33 groups, and its method for making is a method such as photoetching corrosion behind ink-jet, serigraphy, the front plated film.
Embodiment 8:
As shown in Figure 7, in the foregoing description 1 or the 2 described capacitance touch inductors, 21 groups of first induction electrodes and second induction electrode are transparent conductive materials such as tin indium oxide, zinc paste, tin oxide, Nano Silver, CNT for 31 groups; First induction electrode go between 23 groups with second induction electrode go between 33 groups for and 21 groups of first induction electrodes and 31 groups of identical transparent conductive materials of second induction electrode and copper; silver; nickel; chromium; gold; the composite multi-layer film of metallic film materials such as tin; its method for making adopts electroless plating or electric plating method to make the metal composite multilayer film for go between at first induction electrode 23 groups and second induction electrode go between on 33 groups of transparent conductive materials; wherein can adopt copper in the multilayer complex films; silver; materials such as gold reduce resistance as main conductive layer; adopt nickel; anti-deterioration material such as gold is as protective seam; prevent that main conductive layer is because of the environmental factor deterioration; in order further to improve device lifetime, whole inductor surface can apply monox; or stick blooming with the high permeability optical cement and further protect sensing unit and contact conductor.
Claims (9)
1. a capacitance touch inductor is characterized in that this inductor comprises insulated substrate (1), first induction electrode (2) that comprises first sensing unit (21) array in the formation of insulated substrate (1) upper surface, first auxiliary induction unit (22) array and first induction electrode lead-in wire (23); Second induction electrode (3) that comprises second sensing unit (31) array and second induction electrode lead-in wire (33) at substrate (1) lower surface; Wherein, first induction electrode (2) and second induction electrode (3) mutually orthogonal; First sensing unit (21) array and second sensing unit (31) array intermesh; First sensing unit (21) array and first auxiliary induction unit (22) array intermesh and overlap each other with second sensing unit (31) array.
2. a capacitance touch inductor is characterized in that this inductor comprises insulated substrate (1), first induction electrode (2) that comprises first sensing unit (21) array in the formation of insulated substrate (1) upper surface, first auxiliary induction unit (22) array and first induction electrode lead-in wire (23); Second induction electrode (3) that comprises second sensing unit (31) array, second auxiliary induction unit (32) array and second induction electrode lead-in wire (33) in the formation of substrate (1) lower surface;
First induction electrode (2) and second induction electrode (3) mutually orthogonal; First sensing unit (21) array and second sensing unit (31) array intermesh; The first auxiliary induction unit (22) group and the second auxiliary induction unit (32) group intermesh and overlap each other with second sensing unit (31) array and first sensing unit (21) array respectively.
3. according to claim 1 or 2 described capacitance touch inductors, the rhombus that is shaped as that it is characterized in that first sensing unit (21), the first auxiliary induction unit (22), second sensing unit (31), the second auxiliary induction unit (32), its catercorner length ratio is 0.6～1.4mm, and catercorner length is 3～10mm; First induction electrode (2) is 3～6mm with the spacing of second induction electrode (3).
4. according to claim 1 or 2 described capacitance touch inductors, it is characterized in that a plurality of polygons combinations of being shaped as of first sensing unit (21) or second sensing unit (31) and be formed by connecting.
5. according to claim 1 or 2 described capacitance touch inductors, it is characterized in that the first auxiliary induction unit (22) or the second auxiliary induction unit (32) combine for a plurality of polygons.
6. according to claim 1 or 2 described capacitance touch inductors, it is characterized in that between first sensing unit (21) and the first auxiliary induction unit (22), the gap width between second sensing unit (31) and the second auxiliary induction unit (32) is 0.01～0.3mm.
7. according to claim 1 or 2 described capacitance touch inductors, it is characterized in that insulated substrate (1) is ceramic wafer, poly (methyl methacrylate) plate or the base material that is used to make printed circuit board, is monolayer material or multilayer materials, 0.01～3 millimeter of thickness.
8. according to claim 1 or 2 described capacitance touch inductors, it is characterized in that the material of first induction electrode (2), first auxiliary induction unit (22) array, second induction electrode (3) and the second auxiliary induction unit (32) is tin indium oxide, zinc paste, tin oxide, Nano Silver, CNT transparent conductive material or copper, silver, nickel, chromium, gold, tin non-transparent metals or metal alloy conductive material.
9. capacitance touch inductor according to claim 1 and 2 is characterized in that first induction electrode lead-in wire (23) and second induction electrode lead-in wire (33) is copper, silver, nickel, chromium, gold, tin, molybdenum, aluminum metal or laminated film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105983769A CN102081486B (en) | 2010-12-21 | 2010-12-21 | Capacitive touch inductor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105983769A CN102081486B (en) | 2010-12-21 | 2010-12-21 | Capacitive touch inductor |
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| CN102081486A true CN102081486A (en) | 2011-06-01 |
| CN102081486B CN102081486B (en) | 2012-11-28 |
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| CN2010105983769A Expired - Fee Related CN102081486B (en) | 2010-12-21 | 2010-12-21 | Capacitive touch inductor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102915142A (en) * | 2011-06-29 | 2013-02-06 | 迪睿合电子材料有限公司 | Transparent electrode device, information input device, and electronic equipment |
| CN103294312A (en) * | 2013-05-15 | 2013-09-11 | 京东方科技集团股份有限公司 | Capacitive touch screen, production method of capacitive touch screen and display device |
| CN103777793A (en) * | 2012-10-17 | 2014-05-07 | 宸鸿光电科技股份有限公司 | Touch panel and preparation method thereof |
| CN103777834A (en) * | 2014-01-27 | 2014-05-07 | 无锡力合光电传感技术有限公司 | Single-chip capacitor touch screen based on organic glass pane and preparation method of single-chip capacitor touch screen |
| CN104978059A (en) * | 2014-04-14 | 2015-10-14 | 冠捷投资有限公司 | Manufacturing method of touch control module and touch control module |
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| CN101334702A (en) * | 2007-06-28 | 2008-12-31 | 触控科技有限公司 | Transparent touching control panel device |
| US20090159344A1 (en) * | 2007-12-21 | 2009-06-25 | Apple Inc. | Touch pad electrode design |
| CN101727223A (en) * | 2008-10-14 | 2010-06-09 | 介面光电股份有限公司 | Double-face combined type touch control panel structure |
| WO2010105507A1 (en) * | 2009-03-20 | 2010-09-23 | 宸鸿科技(厦门)有限公司 | Capacitive touch circuit pattern and manufacturing method thereof |
| CN201955767U (en) * | 2010-12-21 | 2011-08-31 | 东南大学 | Capacitive touch sensor |
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- 2010-12-21 CN CN2010105983769A patent/CN102081486B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101334702A (en) * | 2007-06-28 | 2008-12-31 | 触控科技有限公司 | Transparent touching control panel device |
| US20090159344A1 (en) * | 2007-12-21 | 2009-06-25 | Apple Inc. | Touch pad electrode design |
| CN101727223A (en) * | 2008-10-14 | 2010-06-09 | 介面光电股份有限公司 | Double-face combined type touch control panel structure |
| WO2010105507A1 (en) * | 2009-03-20 | 2010-09-23 | 宸鸿科技(厦门)有限公司 | Capacitive touch circuit pattern and manufacturing method thereof |
| CN201955767U (en) * | 2010-12-21 | 2011-08-31 | 东南大学 | Capacitive touch sensor |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915142A (en) * | 2011-06-29 | 2013-02-06 | 迪睿合电子材料有限公司 | Transparent electrode device, information input device, and electronic equipment |
| CN103777793A (en) * | 2012-10-17 | 2014-05-07 | 宸鸿光电科技股份有限公司 | Touch panel and preparation method thereof |
| CN103777793B (en) * | 2012-10-17 | 2017-05-31 | 宸鸿光电科技股份有限公司 | Contact panel and preparation method thereof |
| CN103294312A (en) * | 2013-05-15 | 2013-09-11 | 京东方科技集团股份有限公司 | Capacitive touch screen, production method of capacitive touch screen and display device |
| WO2014183375A1 (en) * | 2013-05-15 | 2014-11-20 | 京东方科技集团股份有限公司 | Capacitive touch panel, preparation method for capacitive touch panel and display device |
| CN103294312B (en) * | 2013-05-15 | 2016-04-20 | 京东方科技集团股份有限公司 | Capacitive touch screen, capacitive touch screen preparation method and display device |
| US9619089B2 (en) | 2013-05-15 | 2017-04-11 | Boe Technology Group Co., Ltd. | Capacitive touch panel, manufacturing method of capacitive touch panel and display device |
| CN103777834A (en) * | 2014-01-27 | 2014-05-07 | 无锡力合光电传感技术有限公司 | Single-chip capacitor touch screen based on organic glass pane and preparation method of single-chip capacitor touch screen |
| CN104978059A (en) * | 2014-04-14 | 2015-10-14 | 冠捷投资有限公司 | Manufacturing method of touch control module and touch control module |
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| CN102081486B (en) | 2012-11-28 |
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