CN201955767U - Capacitive touch sensor - Google Patents
Capacitive touch sensor Download PDFInfo
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- CN201955767U CN201955767U CN2010206725327U CN201020672532U CN201955767U CN 201955767 U CN201955767 U CN 201955767U CN 2010206725327 U CN2010206725327 U CN 2010206725327U CN 201020672532 U CN201020672532 U CN 201020672532U CN 201955767 U CN201955767 U CN 201955767U
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Abstract
The utility model provides a capacitive touch sensor. The sensor comprises an insulating substrate (1), a first sensing electrode (2), an array of first auxiliary sensing units (22), first sensing electrode leads (23), a second sensing electrode (3) and second sensing electrode leads (33); the first sensing electrode (2) which comprises an array of first sensing units (21) is formed on the upper surface of the insulating substrate (1); the second sensing electrode (3) which comprises an array of second sensing units (31) is formed on the lower surface of the insulating substrate (1); the first sensing electrode (2) and the second sensing electrode (3) are orthogonal with each other; the array of first sensing units (21) and the array of second sensing units (31) are staggered from each other; and the array of first sensing units (21) and the array of first auxiliary sensing units (22) are staggered from each other and superposed with the array of second sensing units (31).
Description
Technical field
The utility model 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 utility model provides a kind of capacitance touch inductor, improves sensitivity by in the sensing unit interval auxiliary induction unit being set, and improves visual effect simultaneously.
Technical scheme: capacitance touch inductor of the present utility model 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 utility model 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
The capacitance touch inductor side view that Fig. 1 a, Fig. 1 b provide for the utility model; Fig. 1 c is a capacitance touch inductor vertical view provided by the invention
The capacitance touch inductor T face synoptic diagram that Fig. 2 provides for the utility model;
The capacitance touch inductor B face synoptic diagram that Fig. 3 a, Fig. 3 b provide for the utility model;
Fig. 4 is polygon combination sensing unit synoptic diagram;
Fig. 5 is polygon combination auxiliary induction cell schematics;
Fig. 6 embodiment 7 described induction electrode lead-in wire synoptic diagram;
Fig. 7 embodiment 8 described induction electrode lead-in wire synoptic diagram.
Embodiment
Capacitance touch inductor of the present utility model, 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.
Below in conjunction with accompanying drawing the utility model is described further.
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 |
|---|---|---|---|
| CN2010206725327U CN201955767U (en) | 2010-12-21 | 2010-12-21 | Capacitive touch sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206725327U CN201955767U (en) | 2010-12-21 | 2010-12-21 | Capacitive touch sensor |
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| Publication Number | Publication Date |
|---|---|
| CN201955767U true CN201955767U (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206725327U Expired - Lifetime CN201955767U (en) | 2010-12-21 | 2010-12-21 | Capacitive touch sensor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081486A (en) * | 2010-12-21 | 2011-06-01 | 东南大学 | Capacitive touch inductor |
| CN103425309A (en) * | 2012-05-18 | 2013-12-04 | 榕增光电科技有限公司 | Sensing circuit structure of touch panel |
| WO2014048260A1 (en) * | 2012-09-27 | 2014-04-03 | 宝宸（厦门）光学科技有限公司 | Touch device structure and manufacturing method thereof |
| CN104808841A (en) * | 2014-01-28 | 2015-07-29 | 苹果公司 | Light block for transparent touch sensors |
-
2010
- 2010-12-21 CN CN2010206725327U patent/CN201955767U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081486A (en) * | 2010-12-21 | 2011-06-01 | 东南大学 | Capacitive touch inductor |
| CN102081486B (en) * | 2010-12-21 | 2012-11-28 | 东南大学 | Capacitive touch inductor |
| CN103425309A (en) * | 2012-05-18 | 2013-12-04 | 榕增光电科技有限公司 | Sensing circuit structure of touch panel |
| WO2014048260A1 (en) * | 2012-09-27 | 2014-04-03 | 宝宸（厦门）光学科技有限公司 | Touch device structure and manufacturing method thereof |
| CN104808841A (en) * | 2014-01-28 | 2015-07-29 | 苹果公司 | Light block for transparent touch sensors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110831 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |