CN203502944U - Resistance-type and capacitance-type compatible touch screen - Google Patents
Resistance-type and capacitance-type compatible touch screen Download PDFInfo
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- CN203502944U CN203502944U CN201320579004.0U CN201320579004U CN203502944U CN 203502944 U CN203502944 U CN 203502944U CN 201320579004 U CN201320579004 U CN 201320579004U CN 203502944 U CN203502944 U CN 203502944U
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Abstract
The utility model discloses a resistance-type and capacitance-type compatible touch screen. The resistance-type and capacitance-type compatible touch screen comprises a first substrate and a second substrate which are in upper-down superposition; the underside of the first substrate is covered with a first conducting layer, the upside of the second substrate is covered with a second conducting layer, and the underside of the second substrate is covered with a third conducting layer; first electrodes are disposed on the first conducting layer, second electrodes are disposed on the second conducting layer, and third electrodes are disposed in the third conducting layer; the first electrodes and the second electrodes are connected with each other to form a resistance-type touch network and are connected with resistance-type touch control signal output lines; the third electrodes comprise more than one touch control electrodes and form a capacitance-type touch network; and the touch control electrodes in the third electrodes are connected with capacitance-type touch control signal output lines. According to the touch screen provided by the utility model, compatibility of resistance-type and capacitance-type touch of the same touch screen can be realized, and advantages of high precision of a resistance-type touch screen and multi-point touch of a capacitance-type touch screen are integrated.
Description
Technical field
The utility model relates to touch screen technology field, particularly the touch-screen of a kind of resistance-type and condenser type compatibility.
Background technology
Along with growing with each passing day of multimedia information inquiry equipment, touch-screen is widely used, and becomes the new operation interfaces of electronic equipment such as mobile phone, notebook.Different according to the principle of work of touch-screen, touch-screen is divided into four kinds of resistance-type, condenser type, infrared-type and surface acoustic wave types.Wherein with resistance-type and condenser type, be most widely used.
Existing resistive touch screen is supported stylus, and precision is higher, is convenient to handwriting recognition, therefore and be difficult for fragmentation because top is soft, capacitive touch screen finger touch, can realize multiple point touching.Respectively have relative merits, as by both in conjunction with can relative merits complementary, improve easy to operate performance.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of resistance-type and controls with condenser type and control compatible touch-screen.
For addressing the above problem, the technical scheme that the utility model is taked is specially: the touch-screen of a kind of resistance-type and condenser type compatibility, and it comprises upper and lower stacked first substrate and second substrate;
First substrate is coated with the first conductive layer towards the one side of second substrate, and second substrate is coated with the second conductive layer towards the one side of first substrate, and the another side of second substrate is coated with the 3rd conductive layer;
An opposite end of the first conductive layer is provided with pair of electrodes, forms the first electrode; An opposite end of the second conductive layer is provided with pair of electrodes and forms the second electrode, and in the first electrode, pair of electrodes is mutually vertical with the arranged direction of pair of electrodes in the second electrode; In the 3rd conductive layer, be provided with third electrode;
Above-mentioned the first electrode and the second electrode form resistive touch network, and are connected with electric resistance touch-control output line; Third electrode comprises 1 above touch-control electrode, forms capacitance touch network; Each touch-control electrode in third electrode is connected with respectively capacitance touching control output line.
The first conductive layer, the second conductive layer and the 3rd conductive layer are all the ITO nesa coating that adopts sputtering process to form.
The touching signals output line that connects each touch-control electrode in third electrode is bus-bar construction, and the electric resistance touch-control output line that the first electrode is connected with the second electrode also, for bus-bar construction, can make touch screen structure neatly succinct.
First substrate and second substrate are all to adopt has the thin web that the resilient material of light transmission is made, and as resin material etc., can make substrate toughness high, rub resistance, and high temperature resistant and low temperature, chemical proofing is better.
The FPC flexible circuit board that can arrange in pairs or groups mutually with the utility model can be the product that comprehensively has electric resistance touch-control signaling interface and capacitance touching control signaling interface, or utilize prior art by electric resistance touch-control signal interface circuit, integrate with capacitance touching control signal interface circuit.
The utility model is in when application, electric resistance touch-control output line and capacitance touching control output line is connected respectively to the corresponding interface of FPC flexible circuit board; The first electrode and the second electrode form resistive touch network, respectively corresponding X-axis and Y-axis; When exerting pressure to touch-screen, can make the first conductive layer and the second conductive layer connect, the difference of position, touch point can cause the variation of two conductive layer cut-in points, and then brings the variation of resistance value; Between two pairs of electrodes, add driving voltage respectively, by measuring the voltage at contact point place, just can calculate and infer the position of touch point directions X coordinate and the position of Y-direction coordinate;
Third electrode forms capacitance touch network, when finger touch, realizes electric capacity pale pinkish purple between each touch-control electrode in finger and third electrode, thereby can calculate the coordinate of touch point.
The beneficial effects of the utility model are: compatible resistive touch and capacitance touch function, and make touch-screen both guarantee precision, be convenient to handwriting recognition, possessed the advantage of multi-point touch simultaneously.
Accompanying drawing explanation
The structure that Figure 1 shows that the utility model touch-screen splits schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, be described further.
As shown in Figure 1, a kind of specific embodiment of the present utility model is: comprise upper and lower stacked first substrate 21 and second substrate 22;
An opposite end on the first conductive layer 23 surfaces is provided with pair of electrodes, forms the first electrode 26; An opposite end on the second conductive layer 24 surfaces is provided with pair of electrodes and forms the second electrode 27, in the first electrode 26, pair of electrodes is mutually vertical with the arranged direction of pair of electrodes in the second electrode 27, the i.e. line of the main covering position of two electrodes in the first electrode 26, with the line of the main covering position of two electrodes in the second electrode 27, mutually vertical; In the 3rd conductive layer, be provided with third electrode 28;
Above-mentioned the first electrode 26 and the second electrode 27 form resistive touch network, and are connected with electric resistance touch-control output line; Third electrode 28 comprises an above touch-control electrode, forms capacitance touch network; Each touch-control electrode in third electrode is connected with respectively capacitance touching control output line.
The first conductive layer 23, the second conductive layer 24 and the 3rd conductive layer 25 are all the ITO nesa coating that adopts sputtering process to form.
The touching signals output line that connects each touch-control electrode in third electrode is bus-bar construction, and the electric resistance touch-control output line that the first electrode is connected with the second electrode also, for bus-bar construction, can make touch screen structure neatly succinct.
First substrate and second substrate are all to adopt has the thin web that the resilient material of light transmission is made, as high in toughness such as resins, rub resistance, high temperature resistant and low temperature, the good material of chemical proofing.
The FPC flexible circuit board that can arrange in pairs or groups mutually with the utility model can be the product that comprehensively has electric resistance touch-control signaling interface and capacitance touching control signaling interface, or utilize prior art by electric resistance touch-control signal interface circuit, integrate with capacitance touching control signal interface circuit.
The utility model is in when application, electric resistance touch-control output line and capacitance touching control output line is connected respectively to the corresponding interface of FPC flexible circuit board; The first electrode and the second electrode form resistive touch network, respectively corresponding X-axis and Y-axis; When exerting pressure to touch-screen, can make the first conductive layer and the second conductive layer connect, the difference of position, touch point can cause the variation of two conductive layer cut-in points, and then brings the variation of resistance value; Between two pairs of electrodes, add driving voltage respectively, by measuring the voltage at contact point place, just can calculate and infer the position of touch point directions X coordinate and the position of Y-direction coordinate;
Third electrode forms capacitance touch network, when finger touch, realizes electric capacity pale pinkish purple between each touch-control electrode in finger and third electrode, thereby can calculate the coordinate of touch point.
The utility model compatibility resistive touch and capacitance touch function, make touch-screen both guarantee precision, be convenient to handwriting recognition, possessed the advantage of multi-point touch simultaneously.
Claims (4)
1. a touch-screen for resistance-type and condenser type compatibility, is characterized in that, comprises upper and lower stacked first substrate and second substrate;
First substrate is coated with the first conductive layer towards the one side of second substrate, and second substrate is coated with the second conductive layer towards the one side of first substrate, and the another side of second substrate is coated with the 3rd conductive layer;
An opposite end of the first conductive layer is provided with pair of electrodes, forms the first electrode; An opposite end of the second conductive layer is provided with pair of electrodes and forms the second electrode, and in the first electrode, pair of electrodes is mutually vertical with the arranged direction of pair of electrodes in the second electrode; In the 3rd conductive layer, be provided with third electrode;
Above-mentioned the first electrode and the second electrode form resistive touch network, and are connected with electric resistance touch-control output line; Third electrode comprises an above touch-control electrode, forms capacitance touch network; Each touch-control electrode in third electrode is connected with respectively capacitance touching control output line.
2. the touch-screen of resistance-type according to claim 1 and condenser type compatibility, is characterized in that, the first conductive layer, the second conductive layer, the 3rd conductive layer all adopt ITO nesa coating.
3. the touch-screen of resistance-type according to claim 1 and condenser type compatibility, is characterized in that, the touching signals output line that connects each touch-control electrode in third electrode is bus-bar construction.
4. the touch-screen of resistance-type according to claim 1 and condenser type compatibility, is characterized in that, first substrate and second substrate are all the Thin Elastic lamina membranacea with light transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320579004.0U CN203502944U (en) | 2013-09-18 | 2013-09-18 | Resistance-type and capacitance-type compatible touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320579004.0U CN203502944U (en) | 2013-09-18 | 2013-09-18 | Resistance-type and capacitance-type compatible touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203502944U true CN203502944U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320579004.0U Expired - Fee Related CN203502944U (en) | 2013-09-18 | 2013-09-18 | Resistance-type and capacitance-type compatible touch screen |
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| Country | Link |
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| CN (1) | CN203502944U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11435844B2 (en) | 2019-08-29 | 2022-09-06 | Asustek Computer Inc. | Electronic device and force sensing touch assembly thereof |
-
2013
- 2013-09-18 CN CN201320579004.0U patent/CN203502944U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11435844B2 (en) | 2019-08-29 | 2022-09-06 | Asustek Computer Inc. | Electronic device and force sensing touch assembly thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20150918 |
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| EXPY | Termination of patent right or utility model |