CN104881191A - Large-size capacitance and electromagnetism integrated touch device - Google Patents
Large-size capacitance and electromagnetism integrated touch device Download PDFInfo
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- CN104881191A CN104881191A CN201510260471.0A CN201510260471A CN104881191A CN 104881191 A CN104881191 A CN 104881191A CN 201510260471 A CN201510260471 A CN 201510260471A CN 104881191 A CN104881191 A CN 104881191A
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Abstract
The invention discloses a large-size capacitance and electromagnetism integrated touch device. The large-size capacitance and electromagnetism integrated touch device comprises a large-size multi-touch capacitance sensor, an electromagnetic and liquid crystal display device, transparent double faced adhesive tape and tempered protection glass, the tempered protection glass is arranged at the bottom of the electromagnetic and liquid crystal display device, the large-size multi-touch capacitance sensor is arranged between the tempered protection glass and electromagnetic and liquid crystal display device, and the large-size multi-touch capacitance sensor is bonded and fixed with the electromagnetic and liquid crystal display device through the transparent double faced adhesive tape. The touch device guides the multi-touch equipment into the large-size display age and realizes the function integration of the large-size capacitance and electromagnetism integrated machine; the large-size capacitance and electromagnetism integrated touch device is more complete in function, broader in purpose and suitable for large-scale popularization.
Description
Technical field
The present invention relates to touch screen technical field, particularly relate to and a kind ofly do with very fine wires the large scale electric capacity electromagnetism one touching device that the projection-type capacitive touch screen of electrode and wire and electromagnetic touch substrate, display panel integrate one.
Background technology
Along with the development of touch technology, a lot of facility is brought to people's routine work and life, due to user can direct hand or other object contact touch screens to input information, thus minimizing even eliminates user to the dependence of other input equipments (as keyboard, mouse, telepilot etc.), user friendly operation.But in use, the shortcoming of various touch technology also embodies respectively, and usable range also receives a lot of restriction.Although capacitance plate can realize multiple point touching, be limited by the restriction of indium oxide material technology, but be confined to the use of small-medium size scope, and there is the lower shortcoming of positioning precision.Although electromagnetic screen can be widely used in large scale, accurate positioning, the convenience of multiple point touching cannot be realized, realize human-computer interaction.Authorization Notice No. is that the Chinese patent of CN203422730U discloses a kind of projection-type capacitive touch screen doing electrode and wire with very fine wires, it comprises screen body 1, sensing unit 2, and sensing unit 2 adopts the single track electrode matrix embedded that screen body 1 is divided into Pixel Dimensions.But the shortcoming of this projection-type capacitive touch screen cannot realize large scale to produce.
Summary of the invention
In order to overcome the above-mentioned shortcoming of prior art, the invention provides a kind of large scale electric capacity electromagnetism one touching device, this device overcomes the difficult problem that projection-type capacitive touch screen cannot realize large scale production, not only can realize multiple point touching, electromagnetic technique can be utilized to provide Accurate touch to locate simultaneously.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
A kind of large scale electric capacity electromagnetism one touching device; comprise large scale multiple point touching capacitive transducer, electromagnetism and liquid crystal indicator, transparent double face glue, tempering cover glass; tempering cover glass is arranged on bottom electromagnetism and liquid crystal indicator; between tempering cover glass, electromagnetism and liquid crystal indicator, be provided with large scale multiple point touching capacitive transducer, large scale multiple point touching capacitive transducer passes through transparent double face glue and electromagnetism and liquid crystal indicator and bonds fixing.
Further; electromagnetism and liquid crystal indicator comprise liquid crystal indicator and electromagnetic screen; electromagnetic screen is arranged on liquid crystal indicator front; large scale multiple point touching capacitive transducer is bonded and fixed at the liquid crystal indicator back side by two-sided hot melten type double faced adhesive tape, and is fixed by tempering cover glass and is protected.
Further, also comprise host computer, host computer is electrically connected with large scale multiple point touching capacitive transducer, liquid crystal indicator respectively.
The invention still further relates to the method for making of a kind of large scale electric capacity electromagnetism one touching device, comprise the steps:
(1) manufacture craft of large scale multiple point touching capacitive transducer: be after very fine wires that basic material is made utilizes transparent double face glue to carry out covering line with aldary, connected up by layout by ultrasound wave routing machine, with Post RDBMS, cover diaphragm, severing through flexible circuit board binding, debug and qualifiedly namely obtain large scale multiple point touching capacitive transducer;
(2) manufacture craft of electromagnetism and liquid crystal indicator 2: cover electromagnetic induction plate on rear side of the liquid crystal of liquid crystal panel after, add LCD backlight, install through magnetic board encapsulation, Electromagnetic Drive plate, finally carry out electromagnetic screen debugging, obtain electromagnetism and liquid crystal indicator 2;
(3) after electromagnetism and liquid crystal indicator 2 being fitted entirely with large scale multiple point touching capacitive transducer; tempering cover glass is fixed at the multiple point touching capacitive transducer back side; through visual examination, complete machine encapsulation electrical measurement, electrical measurement debugging qualified after, namely obtain large scale electric capacity electromagnetism of the present invention one touching device.
Further, in described step (1), transparent double face glue is poly terephthalic acid class plastic basis material.
Further, electromagnetism and liquid crystal indicator and the full attaching process of large scale multiple point touching capacitive transducer specifically comprise the steps: in described step (3)
(1) special hot melten type double faced adhesive tape material laser machine is cut into the shape identical with electromagnetism and liquid crystal indicator 2 size, cutting condition: cutting speed 50 mm/second, power 45%, laser tube 93 nano wave length exports;
(2) electromagnetism and liquid crystal indicator 2 are fixed in make-up machine epicoele platform, multiple point touching capacitive transducer 1 device is lain on the cavity of resorption platform of make-up machine, the hot melten type double faced adhesive tape that size has been cut on request is laid in multiple point touching capacitive sensor means;
(3) to make-up machine lower platform electrified regulation, by heating tube, make-up machine lower platform is warming up to 75 ± 5 DEG C;
(4) utilize driven by servomotor, the cavity of resorption platform being loaded with multiple point touching capacitive sensor means is moved up, carries out sealing co-bit with make-up machine epicoele, form an annular seal space face and position, within precision ± 0.1 millimeter;
(5) start vacuum pump, the vacuum chamber of sealing is vacuumized;
(6) after vacuum tightness is extracted into-90KPa, in cavity of resorption, lower platform servomotor moves up 2 millimeters, multiple point touching capacitive sensor means is upwards balanced jack-up by the cylinder on platform, cylinder pressure: 0.3-0.4Mpa, must level be kept in the middle of lower platform and upper mounting plate, before laminating, carry out level confirmation with pressure-sensitive paper;
(7) cylinder top rises after lower platform maintained for 30 seconds, and vacuum pump stops suction, and solenoid valve starts to inject air in chamber, removes vacuum suction;
(8) when pressure reaches 0-0.1Mpa, air pressure probe sends signal, and lower platform servomotor starts to start, and platform starts to move down, and upper and lower cavity separately, confirms that product surface has bubble-free and laminating off normal to produce;
(9), after visual examination normally, the module after laminating is cured hot melten type double faced adhesive tape by ultraviolet, the UV power 2000-2500 joule of solidification;
(10) shell encapsulation is carried out to the multiple spot electromagnetism capacitance touch device that full laminating terminates, after encapsulation terminates, connect the debugging that computer carries out electric property, reach the technical parameter of regulation, finally large size electro magnetocapacitance device is packed, namely obtain large scale electric capacity electromagnetism of the present invention one touching device.
Multi-point touch equipment leads and enters the large scale display epoch by a kind of large scale electric capacity electromagnetism one touching device of the present invention, and achieves the Function Integration Mechanism of large scale electric capacity electromagnetism all-in-one, and more comprehensively, purposes is more extensive, is suitable for large-scale promotion application for function.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is a kind of large scale electric capacity electromagnetism one touching device structural representation;
Fig. 2 is Principal of Fix Calculation schematic diagram of the present invention;
Fig. 3 is software simulating principle schematic of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing of the embodiment of the present invention, the technical scheme of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on described embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain under without the need to the prerequisite of creative work, all belongs to the scope of protection of the invention.
As shown in Figure 1; large scale electric capacity electromagnetism one touching device of the present invention comprises large scale multiple point touching capacitive transducer 1, electromagnetism and liquid crystal indicator 2, transparent double face glue 3, tempering cover glass 4; tempering cover glass 4 is arranged on bottom electromagnetism and liquid crystal indicator 2; between tempering cover glass 4, electromagnetism and liquid crystal indicator 2, be provided with large scale multiple point touching capacitive transducer 1, large scale multiple point touching capacitive transducer 1 bonds fixing by transparent double face glue 3 and electromagnetism and liquid crystal indicator 2.
As shown in Figure 2; for the structural principle figure of large scale electric capacity electromagnetism one touching device of the present invention; wherein electromagnetism and liquid crystal indicator 2 are specially liquid crystal indicator and electromagnetic screen; electromagnetic screen is arranged on liquid crystal indicator front; the liquid crystal indicator back side is adhesively fixed with large scale multiple point touching capacitive transducer 1 by two-sided hot melten type double faced adhesive tape, and large scale multiple point touching capacitive transducer 1 is fixed by tempering cover glass 4 and is protected.Large scale electric capacity electromagnetism one touching device of the present invention also comprises host computer, and host computer is electrically connected with large scale multiple point touching capacitive transducer 1, liquid crystal indicator respectively.When user operation touching device, produce multiple spot electrostatic signal, described multiple spot electrostatic signal is transferred to host computer by large scale multiple point touching capacitive transducer 1, and data processing of information is sent to liquid crystal indicator after carrying out signal transacting to multiple spot electrostatic signal and shows by host computer.In like manner, user operation time writer also can produce corresponding time writer signal, large scale multiple point touching capacitive transducer 1 is by described time writer Signal transmissions to host computer, and data processing of information is sent to liquid crystal indicator after carrying out signal transacting to time writer signal and shows by host computer.
As shown in Figure 3, the concrete production technology of large scale electric capacity electromagnetism one touching device of the present invention comprises the following steps:
1. the manufacture craft of large scale multiple point touching capacitive transducer 1: be after very fine wires that basic material is made utilizes transparent double face glue (such as poly terephthalic acid class plastic basis material) to carry out covering line with aldary; connected up by layout by ultrasound wave routing machine; with Post RDBMS, cover diaphragm, severing through flexible circuit board binding, debug and qualifiedly namely obtain large scale multiple point touching capacitive transducer 1.
2. the manufacture craft of electromagnetism and liquid crystal indicator 2: cover electromagnetic induction plate on rear side of the liquid crystal of liquid crystal panel after, adds LCD backlight, installs, finally carry out electromagnetic screen debugging, obtain electromagnetism and liquid crystal indicator 2 through magnetic board encapsulation, Electromagnetic Drive plate.
3. after electromagnetism and liquid crystal indicator 2 being fitted entirely with large scale multiple point touching capacitive transducer 1; tempering cover glass 4 is fixed at multiple point touching capacitive transducer 1 back side; through visual examination, complete machine encapsulation electrical measurement, electrical measurement debugging qualified after, namely obtain large scale electric capacity electromagnetism of the present invention one touching device.Namely obtain large-sized electromagnetism electric capacity multi-point control device after step 3 completes, the large scale electrical screen industries such as educational interaction, advertisement interaction, electronic mass media can be widely used in, thus large scale display regenerated to can touch epoch of human-computer interaction.
Wherein, in above-mentioned steps 3, electromagnetism and liquid crystal indicator 2 are specially (following flow process all completes in ten thousand grades of toilets (special show except) with the full attaching process of large scale multiple point touching capacitive transducer 1):
1. special hot melten type double faced adhesive tape material laser machine is cut into the shape identical with electromagnetism and liquid crystal indicator 2 size, cutting condition: cutting speed 50 mm/second, power 45%, laser tube 93 nano wave length exports.
2. electromagnetism and liquid crystal indicator 2 are fixed in make-up machine (the special make-up machine according to production technology exploitation) epicoele platform, multiple point touching capacitive transducer 1 device is lain on the cavity of resorption platform of make-up machine, the hot melten type double faced adhesive tape that size has been cut on request is laid in multiple point touching capacitive sensor means.
3: to make-up machine lower platform electrified regulation, by heating tube, make-up machine lower platform is warming up to 75 ± 5 DEG C.
4: utilize driven by servomotor, the cavity of resorption platform being loaded with multiple point touching capacitive sensor means is moved up, carries out sealing co-bit with make-up machine epicoele, form an annular seal space face and position, within precision ± 0.1 millimeter.
5. start vacuum pump, the vacuum chamber of sealing is vacuumized.
6. after vacuum tightness is extracted into-90KPa, in cavity of resorption, lower platform servomotor moves up 2 millimeters, and multiple point touching capacitive sensor means is upwards balanced jack-up (cylinder pressure: 0.3-0.4Mpa) by the cylinder on platform.Noticed Problems point: must level be kept in the middle of lower platform and upper mounting plate, carry out level confirmation with pressure-sensitive paper before laminating.
7. cylinder top rises after lower platform maintained for 30 seconds, and vacuum pump stops suction, and solenoid valve starts to inject air in chamber, removes vacuum suction.
8. when pressure reaches 0-0.1Mpa, air pressure probe sends signal, and lower platform servomotor starts to start, and platform starts to move down, and upper and lower cavity separately.Confirm that product surface has bubble-free and laminating off normal to produce.
9., after visual examination normally, the module after laminating is cured hot melten type double faced adhesive tape by ultraviolet, the UV power 2000-2500 joule of solidification.
10. pair multiple spot electromagnetism capacitance touch device that full laminating terminates carries out shell encapsulation, after encapsulation terminates, connect the debugging that computer carries out electric property, reach the technical parameter of regulation, finally large size electro magnetocapacitance device is packed, namely obtain large scale electric capacity electromagnetism of the present invention one touching device.
Should be appreciated that, although with reference to the embodiment that it is exemplary, the present invention shown particularly and describe, but will be understood by those skilled in the art that, do not deviating from by under the condition of the spirit and scope of the present invention as defined in the claims, the change of various forms and details can be carried out wherein, the combination in any of various embodiment can be carried out.
Claims (6)
1. a large scale electric capacity electromagnetism one touching device; it is characterized in that: comprise large scale multiple point touching capacitive transducer, electromagnetism and liquid crystal indicator, transparent double face glue, tempering cover glass; tempering cover glass is arranged on bottom electromagnetism and liquid crystal indicator; between tempering cover glass, electromagnetism and liquid crystal indicator, be provided with large scale multiple point touching capacitive transducer, large scale multiple point touching capacitive transducer passes through transparent double face glue and electromagnetism and liquid crystal indicator and bonds fixing.
2. a kind of large scale electric capacity electromagnetism one touching device according to claim 1; it is characterized in that: electromagnetism and liquid crystal indicator comprise liquid crystal indicator and electromagnetic screen; electromagnetic screen is arranged on liquid crystal indicator front; large scale multiple point touching capacitive transducer is bonded and fixed at the liquid crystal indicator back side by two-sided hot melten type double faced adhesive tape, and is fixed by tempering cover glass and is protected.
3. a kind of large scale electric capacity electromagnetism one touching device according to claim 1 and 2, it is characterized in that: also comprise host computer, host computer is electrically connected with large scale multiple point touching capacitive transducer, liquid crystal indicator respectively.
4. the method for making of the arbitrary described a kind of large scale electric capacity electromagnetism one touching device of claim 1-3, is characterized in that, comprise the steps:
(1) making of large scale multiple point touching capacitive transducer: be after very fine wires that basic material is made utilizes transparent double face glue to carry out covering line with aldary, connected up by layout by ultrasound wave routing machine, with Post RDBMS, cover diaphragm, severing through flexible circuit board binding, debug and qualifiedly obtain large scale multiple point touching capacitive transducer;
(2) making of electromagnetism and liquid crystal indicator: cover electromagnetic induction plate on rear side of the liquid crystal of liquid crystal panel after, adds LCD backlight, installs, finally carry out electromagnetic screen debugging, obtain electromagnetism and liquid crystal indicator through magnetic board encapsulation, Electromagnetic Drive plate;
(3) after electromagnetism and liquid crystal indicator and large scale multiple point touching capacitive transducer being fitted entirely; tempering cover glass is fixed at the multiple point touching capacitive transducer back side; after visual examination, complete machine encapsulation electrical measurement, electrical measurement debugging are qualified, obtain described large scale electric capacity electromagnetism one touching device.
5. the method for making of a kind of large scale electric capacity electromagnetism one touching device according to claim 4, is characterized in that: in described step (1), transparent double face glue is poly terephthalic acid class plastic basis material.
6. the method for making of a kind of large scale electric capacity electromagnetism one touching device according to claim 4 or 5, is characterized in that: in described step (3), electromagnetism and liquid crystal indicator and the full attaching process of large scale multiple point touching capacitive transducer specifically comprise the steps:
(1) hot melten type double faced adhesive tape material laser machine is cut into the shape identical with electromagnetism and liquid crystal indicator size, cutting condition: cutting speed 50 mm/second, power 45%, laser tube 93 nano wave length exports;
(2) electromagnetism and liquid crystal indicator are fixed in make-up machine epicoele platform, multiple point touching capacitive sensor means is lain on the cavity of resorption platform of make-up machine, the hot melten type double faced adhesive tape that size has been cut on request is laid in multiple point touching capacitive sensor means;
(3) to make-up machine lower platform electrified regulation, by heating tube, make-up machine lower platform is warming up to 75 ± 5 DEG C;
(4) utilize driven by servomotor, the cavity of resorption platform being loaded with multiple point touching capacitive sensor means is moved up, carries out sealing co-bit with make-up machine epicoele, form an annular seal space face and position, within precision ± 0.1 millimeter;
(5) start vacuum pump, the vacuum chamber of sealing is vacuumized;
(6) after vacuum tightness is extracted into-90KPa, in cavity of resorption, lower platform servomotor moves up 2 millimeters, multiple point touching capacitive sensor means is upwards balanced jack-up by the cylinder on platform, cylinder pressure: 0.3-0.4Mpa, lower platform and the middle maintenance level of upper mounting plate, carry out level confirmation with pressure-sensitive paper before laminating;
(7) cylinder top rises after lower platform maintained for 30 seconds, and vacuum pump stops suction, and solenoid valve starts to inject air in chamber, removes vacuum suction;
(8) when pressure reaches 0-0.1Mpa, air pressure probe sends signal, and lower platform servomotor starts to start, and platform starts to move down, and upper and lower cavity separately, confirms that product surface has bubble-free and laminating off normal to produce;
(9), after visual examination normally, the module after laminating is cured hot melten type double faced adhesive tape by ultraviolet, the UV power 2000-2500 joule of solidification;
(10) shell encapsulation is carried out to the multiple spot electromagnetism capacitance touch device that full laminating terminates, after encapsulation terminates, connect computer and carry out the debugging of electric property, debug qualified rear large size electro magnetocapacitance device to be packed, obtain described large scale electric capacity electromagnetism one touching device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510260471.0A CN104881191A (en) | 2015-05-20 | 2015-05-20 | Large-size capacitance and electromagnetism integrated touch device |
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| CN201510260471.0A CN104881191A (en) | 2015-05-20 | 2015-05-20 | Large-size capacitance and electromagnetism integrated touch device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511696A (en) * | 2015-11-03 | 2016-04-20 | 江西省天翌光电有限公司 | Touch screen and display module set full-vacuum applying technology |
| CN105807995A (en) * | 2016-03-07 | 2016-07-27 | 深圳市合触科技有限公司 | Touch screen body of touch device |
| CN106200037A (en) * | 2016-07-06 | 2016-12-07 | 宁波维真显示科技有限公司 | The full laminating apparatus of piecemeal of touch screen and LCDs and method |
| CN106843597A (en) * | 2017-04-25 | 2017-06-13 | 欧浦登（顺昌）光学有限公司 | Smaller screen touch-control large-size screen monitors show all-in-one |
| CN109591432A (en) * | 2018-12-26 | 2019-04-09 | 湖南锐阳电子科技有限公司 | A kind of panel attachment device for the production of large scale touch screen |
| WO2019105178A1 (en) * | 2017-11-28 | 2019-06-06 | 广州视源电子科技股份有限公司 | Touch display system |
| WO2019119995A1 (en) * | 2017-12-19 | 2019-06-27 | 广州视源电子科技股份有限公司 | Touch signal processing method and apparatus, and electronic device and storage medium |
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| CN103913873A (en) * | 2013-08-07 | 2014-07-09 | 上海天马微电子有限公司 | Liquid crystal display panel, display device and scanning method of display device |
| CN103941933A (en) * | 2013-06-28 | 2014-07-23 | 上海天马微电子有限公司 | Capacitance and electromagnetism touch and control integrated touch control display device |
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| CN101667085A (en) * | 2008-09-04 | 2010-03-10 | 汉王科技股份有限公司 | Dual-mode input device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511696A (en) * | 2015-11-03 | 2016-04-20 | 江西省天翌光电有限公司 | Touch screen and display module set full-vacuum applying technology |
| CN105807995A (en) * | 2016-03-07 | 2016-07-27 | 深圳市合触科技有限公司 | Touch screen body of touch device |
| CN106200037A (en) * | 2016-07-06 | 2016-12-07 | 宁波维真显示科技有限公司 | The full laminating apparatus of piecemeal of touch screen and LCDs and method |
| CN106200037B (en) * | 2016-07-06 | 2019-03-29 | 宁波维真显示科技股份有限公司 | The full laminating apparatus of the piecemeal of touch screen and liquid crystal display and method |
| CN106843597A (en) * | 2017-04-25 | 2017-06-13 | 欧浦登（顺昌）光学有限公司 | Smaller screen touch-control large-size screen monitors show all-in-one |
| WO2019105178A1 (en) * | 2017-11-28 | 2019-06-06 | 广州视源电子科技股份有限公司 | Touch display system |
| WO2019119995A1 (en) * | 2017-12-19 | 2019-06-27 | 广州视源电子科技股份有限公司 | Touch signal processing method and apparatus, and electronic device and storage medium |
| CN109591432A (en) * | 2018-12-26 | 2019-04-09 | 湖南锐阳电子科技有限公司 | A kind of panel attachment device for the production of large scale touch screen |
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