CN101727252A - Detecting device for a touch panel and touch device using same - Google Patents
Detecting device for a touch panel and touch device using same Download PDFInfo
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- CN101727252A CN101727252A CN200810161880A CN200810161880A CN101727252A CN 101727252 A CN101727252 A CN 101727252A CN 200810161880 A CN200810161880 A CN 200810161880A CN 200810161880 A CN200810161880 A CN 200810161880A CN 101727252 A CN101727252 A CN 101727252A
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Abstract
The invention relates to a detecting device for a touch panel and a touch device using the same. The detecting device comprises a connecting port, a time schedule controller, a detecting voltage generator, an analog-digital converter and an outputting connecting port. The connecting port is electrically coupled with the touch panel; the time schedule controller is used for outputting a scanning time schedule controlling signal; the detecting voltage generator is used for generating a first scanning voltage and a second scanning voltage and applying the first scanning voltage and the second scanning voltage respectively to a plurality of first conducting electrodes and a plurality of second conducting electrodes of the touch panel; the touch panel is used for generating at least one feedback analog signal which corresponds to a touch point; the analog-digital converter is used for receiving the feedback analog signal and converting the feedback analog signal to a corresponding feedback digital signal; and the outputting connecting port is used for outputting the feedback digital signal.
Description
Technical field
The present invention relates to a kind of contactor control device that is applied to the arrangement for detecting of contact panel and uses it, particularly relate to a kind of contactor control device that is applied to the arrangement for detecting of electric resistance touch-control panel and uses it.
Background technology
Along with development of electronic technology, contact panel is applied in the various electronic products, as flat display apparatus more and more widely as the input media of electronic product.At present, contact panel mainly can be divided into resistance-type, condenser type and sensor formula three classes.And electric resistance touch-control panel since its make simple, advantage such as cost is lower and being widely used.
At present, Chang Yong electric resistance touch-control panel generally includes upper and lower two electrically-conductive backing plates and is arranged on sept (spacer) between two electrically-conductive backing plates.Upper and lower two electrically-conductive backing plates can be respectively be made up of a substrate and the transparent conductive film that covers on the substrate, and this transparent conductive film can adopt indium tin oxide (ITO) film.Electric resistance touch-control panel normally adopts the mode of dividing potential drop to detect touch point, once can only detect a coordinate values of this touch point, as Building X scale value or Building Y scale value.Therefore, Chang Yong electric resistance touch-control panel can't carry out multi-point touch quickly and accurately.
This shows that above-mentioned existing electric resistance touch-control panel obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of novel arrangement for detecting that is applied to contact panel and use its contactor control device, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Because the defective that above-mentioned existing electric resistance touch-control panel exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of novel arrangement for detecting that is applied to contact panel and using its contactor control device, can improve general existing electric resistance touch-control panel, make it have more practicality.Through constantly research, design, and, create the present invention who has practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
The objective of the invention is to, overcome the defective that existing electric resistance touch-control panel exists, and a kind of novel arrangement for detecting that is applied to contact panel is provided, technical matters to be solved is to make it can quick and precisely discern touch point, and realizes multi-point touch.
Another object of the present invention is to, overcome the defective that existing electric resistance touch-control panel exists, and a kind of novel contactor control device is provided, technical matters to be solved is to make it can quick and precisely discern touch point, and realizes multi-point touch.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of arrangement for detecting that is applied to contact panel according to the present invention's proposition, this contact panel comprises a plurality of first conductive electrodes, a plurality of second conductive electrode and the sept between those first conductive electrodes and those second conductive electrodes, those first conductive electrodes and those second conductive electrodes are crisscross arranged to detect at least one touch point on this contact panel, this arrangement for detecting comprises: (connectivity port is a Port in a connectivity port, this paper all is called the connectivity port), be electrically coupled to this contact panel; Time schedule controller is electrically coupled to this connectivity port and controls signal to this connectivity port with the output one scan sequence; One detecting voltage generator, be electrically coupled to this connectivity port, this detecting voltage generator is used to produce one first scanning voltage and one second scanning voltage, this first scanning voltage is according to the control of this scanning sequence control signal, be applied to successively on those first conductive electrodes by this connectivity port, this second scanning voltage is according to the control of this scanning sequence control signal, be applied to successively on those second conductive electrodes by this connectivity port, this contact panel produces according to this first scanning voltage and this second scanning voltage that (simulation is analogy at least one feedback simulation that should at least one touch point, this paper all is called simulation) signal, and should transfer to this arrangement for detecting by this connectivity port by at least one feedback analog signal; One analog digital (numeral is a numerical digit, and this paper all is called numeral) converter is electrically coupled to this connectivity port with this at least one feedback analog signal of reception, and should converts corresponding at least one feedback digital signal to by at least one feedback analog signal; And an output connectivity port, receive also this at least one feedback digital signal of output.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid arrangement for detecting, wherein said connectivity port are a ternary lock.
Aforesaid arrangement for detecting, wherein said first scanning voltage and this second scanning voltage have identical voltage level.
Aforesaid arrangement for detecting, wherein said first scanning voltage and this second scanning voltage have different voltage levels.
Aforesaid arrangement for detecting, when wherein said first scanning voltage was applied to those first conductive electrodes successively, this second scanning voltage was applied to those second conductive electrodes successively.
Aforesaid arrangement for detecting, wherein said first scanning voltage are applied to after those first conductive electrodes successively, and this second scanning voltage is applied to those second conductive electrodes more successively.
Aforesaid arrangement for detecting, it also comprises a storage device, this storage device is electrically coupled to this analog-digital converter and this time schedule controller with temporary this at least one feedback digital signal in regular turn.
The object of the invention to solve the technical problems also realizes by the following technical solutions.According to a kind of contactor control device that the present invention proposes, it comprises: a contact panel comprises: a plurality of first conductive electrodes; A plurality of second conductive electrodes, those second conductive electrodes and those first conductive electrodes are crisscross arranged; And sept, be arranged between those first conductive electrodes and those second conductive electrodes, wherein, this contact panel foundation one first scanning voltage and one second scanning voltage and produce and export at least one feedback analog signal of corresponding at least one touch point.And an arrangement for detecting, in order to this at least one touch point of detecting, this arrangement for detecting comprises: a connectivity port is electrically coupled to this contact panel; Time schedule controller is electrically coupled to this connectivity port to export the one scan sequence control signal to this connectivity port; One detecting voltage generator, be electrically coupled to this connectivity port, this detecting voltage generator produces this first scanning voltage and this second scanning voltage, this first scanning voltage is applied on those first conductive electrodes by this connectivity port successively according to the control of this scanning sequence control signal, this second scanning voltage is applied on those second conductive electrodes by this connectivity port successively according to the control of this scanning sequence control signal, and this detecting voltage generator receives this at least one feedback analog signal that this contact panel is exported by this connectivity port; One analog-digital converter is electrically coupled to this connectivity port with this at least one feedback analog signal of reception, and should converts corresponding at least one feedback digital signal to by at least one feedback analog signal; Reach an output connectivity port, this output connectivity port receives this at least one feedback digital signal from this analog-digital converter, and this at least one feedback digital signal of output.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid contactor control device, wherein said connectivity port are a ternary lock.
Aforesaid contactor control device, wherein said first scanning voltage and this second scanning voltage have identical voltage level.
Aforesaid contactor control device, wherein said first scanning voltage and this second scanning voltage have different voltage levels.
Aforesaid contactor control device, when wherein said first scanning voltage was applied to those first conductive electrodes successively, this second scanning voltage was applied to those second conductive electrodes successively.
Aforesaid contactor control device, wherein said first scanning voltage are applied to after those first conductive electrodes successively, and this second scanning voltage is applied to those second conductive electrodes more successively.
Aforesaid contactor control device, wherein said arrangement for detecting also comprises a storage device, this storage device is electrically coupled to this analog-digital converter and this time schedule controller with temporary this at least one feedback digital signal in regular turn.
Aforesaid contactor control device, it also comprises a processor, the output connectivity port that this processor is electrically coupled to this arrangement for detecting is to receive and to handle this at least one feedback digital signal and obtain the positional information (information is message, and this paper all is called information) of this at least one touch point.
Aforesaid contactor control device, it also comprises a display device, this display device is electrically coupled to this processor receiving the positional information of this at least one touch point, and shows this at least one touch point according to the positional information of this at least one touch point in this display device.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, major technique of the present invention thes contents are as follows:
The present invention proposes a kind of arrangement for detecting that is applied to a kind of contact panel.This contact panel comprises a plurality of first conductive electrodes, a plurality of second conductive electrode and the sept between these first conductive electrodes and these second conductive electrodes, and these first conductive electrodes and these second conductive electrodes are crisscross arranged.This arrangement for detecting is used to detect at least one touch point on this contact panel, and this arrangement for detecting comprises: a connectivity port, time schedule controller, a detecting voltage generator, an analog-digital converter and an output connectivity port.This connectivity port is electrically coupled to this contact panel.This time schedule controller is electrically coupled to this connectivity port to this connectivity port output one scan sequence control signal.This detecting voltage generator is electrically coupled to this connectivity port, and this detecting voltage generator is used to produce first scanning voltage and second scanning voltage.This first scanning voltage is applied on these first conductive electrodes successively according to the control of this scanning sequence control signal and by this connectivity port, and this second scanning voltage is applied on these second conductive electrodes successively according to the control of this scanning sequence control signal and by this connectivity port.This contact panel is according to this first scanning voltage and this second scanning voltage and produce at least one feedback analog signal that should at least one touch point and by this connectivity port and transfer to this arrangement for detecting.This analog-digital converter is electrically coupled to this connectivity port to receive this at least one feedback analog signal and to convert thereof at least one feedback digital signal that characterizes this at least one touch point positional information.This output connectivity port is used for this at least one feedback digital signal of output.
For achieving the above object, the invention provides a kind of contactor control device, it comprises a contact panel and an arrangement for detecting.This contact panel comprises a plurality of first conductive electrodes, a plurality of second conductive electrodes, and these second conductive electrodes and these first conductive electrodes are crisscross arranged, and sept, and it is arranged between these first conductive electrodes and these second conductive electrodes.This arrangement for detecting, it is used for detecting at least one touch point on this contact panel.This arrangement for detecting comprises: a connectivity port, time schedule controller, a detecting voltage generator, an analog-digital converter and an output connectivity port.This connectivity port is electrically coupled to this contact panel.This time schedule controller is electrically coupled to this connectivity port to this connectivity port output one scan sequence control signal.This detecting voltage generator is electrically coupled to this connectivity port, and this detecting voltage generator is used to produce first scanning voltage and second scanning voltage.This first scanning voltage is applied on these first conductive electrodes successively according to the control of this scanning sequence control signal and by this connectivity port, and this second scanning voltage is applied on these second conductive electrodes successively according to the control of this scanning sequence control signal and by this connectivity port.This contact panel is according to this first scanning voltage and this second scanning voltage and produce at least one feedback analog signal that should at least one touch point and by this connectivity port and transfer to this arrangement for detecting.This analog-digital converter is electrically coupled to this connectivity port to receive this at least one feedback analog signal and to convert thereof at least one feedback digital signal that characterizes this at least one touch point positional information.This output connectivity port is used for this at least one feedback digital signal of output.
By technique scheme, the present invention is applied to the arrangement for detecting of contact panel and uses its contactor control device to have following advantage and beneficial effect at least:
The contactor control device that is applied to the arrangement for detecting of contact panel and uses it of the present invention can quick and precisely be discerned touch point, and realizes multi-point touch.
In sum, the present invention is relevant a kind of contactor control device that is applied to the arrangement for detecting of contact panel and uses it.This arrangement for detecting comprises connectivity port, time schedule controller, detecting voltage generator, analog-digital converter and output connectivity port.The connectivity port is electrically coupled to contact panel.Time schedule controller output one scan sequence control signal.The detecting voltage generator is used to produce first scanning voltage and second scanning voltage, reaches on a plurality of second conductive electrodes to be applied to successively respectively on a plurality of first conductive electrodes of contact panel.Contact panel produces at least one feedback analog signal of corresponding aforementioned touch point, and analog-digital converter receives aforementioned feedback analog signal and converts thereof into corresponding feedback digital signal.The output connectivity port is used to export aforesaid feedback digital signal.The present invention can quick and precisely discern touch point, and realizes multi-point touch.The present invention has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on product structure or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing electric resistance touch-control panel has the outstanding effect of enhancement, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the circuit block diagram of the preferred embodiment of contactor control device of the present invention.
Fig. 2 is the synoptic diagram of an embodiment of the contact panel of Fig. 1.
100: contactor control device 110: contact panel
120: arrangement for detecting 130: processor
140: display device 121: connectivity port
122: time schedule controller 123: the detecting voltage generator
124: analog-digital converter 125: the output connectivity port
126: storage device 115: sept
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, arrangement for detecting that is applied to contact panel that foundation the present invention is proposed and its embodiment of contactor control device, structure, feature and the effect thereof of using it, describe in detail as after.
See also Fig. 1, shown in Figure 2, Fig. 1 is the circuit block diagram of the preferred embodiment of contactor control device of the present invention, and Fig. 2 is the synoptic diagram of an embodiment of the contact panel of Fig. 1.The contactor control device 100 of preferred embodiment of the present invention comprises contact panel 110 and arrangement for detecting 120.Arrangement for detecting 120 and contact panel 110 mutually electric property coupling with at least one touch point on the detecting contact panel 110.
Above-mentioned contact panel 110 comprises a plurality of first conductive electrode X1～Xn, a plurality of second conductive electrode Y1～Yn and the sept (Spacer) 115 between first conductive electrode X1～Xn and second conductive electrode Y1～Yn.First conductive electrode X1～Xn and second conductive electrode Y1～Yn are crisscross arranged.
Above-mentioned arrangement for detecting 120 comprises connectivity port 121, time schedule controller 122, detecting voltage generator 123, analog-digital converter 124 and output connectivity port 125.Connectivity port 121 is electrically coupled to contact panel 110.Time schedule controller 122 is electrically coupled to connectivity port 121 with to connectivity port 121 output scanning timing control signals.Detecting voltage generator 123 is electrically coupled to connectivity port 121, and detecting voltage generator 123 is used to produce first scanning voltage and second scanning voltage.First scanning voltage is applied on these first conductive electrodes X1～Xn successively according to the control of scanning sequence control signal and by connectivity port 121, and second scanning voltage is applied on second conductive electrode Y1～Yn successively according to the control of scanning sequence control signal and by the connectivity port.Contact panel 110 produces the feedback analog signal of corresponding each touch point according to first scanning voltages and second scanning voltage, and this (or these) feedback analog signal is transferred in the arrangement for detecting 120 by connectivity port 121.Analog-digital converter 124 is electrically coupled to connectivity port 121 receiving each feedback analog signal, and converts each feedback analog signal to characterize each touch point positional information feedback digital signal.The feedback digital signal that output connectivity port 125 is then exported aforementioned means at this moment or after this and produced.
This connectivity port 121 is a ternary lock (Tri-State Gate).First scanning voltage can have the voltage level identical with second scanning voltage.Certainly, be understandable that first scanning voltage and second scanning voltage also can have different voltage levels respectively.In addition, when first scanning voltage was applied to these first conductive electrodes successively, second scanning voltage can be applied to these second conductive electrodes successively; Perhaps, in another embodiment, second scanning voltage also can be applied on second conductive electrode after first scanning voltage is applied to first conductive electrode successively more successively.
In the present embodiment, arrangement for detecting 120 may further include storage device 126.Storage device 126 is electrically coupled to analog-digital converter 124 and time schedule controller 122, and temporary in regular turn aforesaid feedback digital signal.
Described contactor control device 100 may further include processor 130 and display device 140.The output connectivity port 125 that processor 130 is electrically coupled to arrangement for detecting 120 to be receiving and to handle aforesaid feedback digital signal, and obtains the positional information of corresponding touch point by this.Display device 140 is electrically coupled to processor 130 receiving the positional information of these touch points, and shows each touch point in display device 140.
In sum, the contactor control device 100 that the embodiment of the invention provides, its design example by arrangement for detecting 120 is detected voltage generator 123 as configuration, and the design example of contact panel 110 is as disposing a plurality of first conductive electrode X1～Xn and a plurality of second conductive electrode Y1～Yn, with after successively first conductive electrode X1～Xn and second conductive electrode Y1～Yn being scanned, make contact panel 110 can produce the feedback signal of corresponding each touch point.This feedback signal has the positional information of corresponding touch point, therefore can make contactor control device identify each touch point quickly and accurately, and realizes multi-point touch.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (16)
1. arrangement for detecting that is applied to contact panel, this contact panel comprises a plurality of first conductive electrodes, a plurality of second conductive electrode and the sept between those first conductive electrodes and those second conductive electrodes, those first conductive electrodes and those second conductive electrodes are crisscross arranged to detect at least one touch point on this contact panel, it is characterized in that this arrangement for detecting comprises:
One connectivity port is electrically coupled to this contact panel;
Time schedule controller is electrically coupled to this connectivity port and controls signal to this connectivity port with the output one scan sequence;
One detecting voltage generator, be electrically coupled to this connectivity port, this detecting voltage generator is used to produce one first scanning voltage and one second scanning voltage, this first scanning voltage is according to the control of this scanning sequence control signal, be applied to successively on those first conductive electrodes by this connectivity port, this second scanning voltage is according to the control of this scanning sequence control signal, be applied to successively on those second conductive electrodes by this connectivity port, this contact panel is according to this first scanning voltage and this second scanning voltage and produce at least one feedback analog signal that should at least one touch point, and should transfer to this arrangement for detecting by this connectivity port by at least one feedback analog signal;
One analog-digital converter is electrically coupled to this connectivity port with this at least one feedback analog signal of reception, and should converts corresponding at least one feedback digital signal to by at least one feedback analog signal; And
One output connectivity port receives and this at least one feedback digital signal of output.
2. arrangement for detecting according to claim 1 is characterized in that wherein said connectivity port is a ternary lock.
3. arrangement for detecting according to claim 1 is characterized in that wherein said first scanning voltage and this second scanning voltage have identical voltage level.
4. arrangement for detecting according to claim 1 is characterized in that wherein said first scanning voltage and this second scanning voltage have different voltage levels.
5. the arrangement for detecting that is applied to contact panel according to claim 1, when it is characterized in that wherein said first scanning voltage is applied to those first conductive electrodes successively, this second scanning voltage is applied to those second conductive electrodes successively.
6. arrangement for detecting according to claim 1 is characterized in that wherein said first scanning voltage is applied to after those first conductive electrodes successively, and this second scanning voltage is applied to those second conductive electrodes more successively.
7. arrangement for detecting according to claim 1 is characterized in that it also comprises a storage device, and this storage device is electrically coupled to this analog-digital converter and this time schedule controller with temporary this at least one feedback digital signal in regular turn.
8. contactor control device is characterized in that it comprises:
One contact panel comprises:
A plurality of first conductive electrodes;
A plurality of second conductive electrodes, those second conductive electrodes and those first conductive electrodes are crisscross arranged; And
Sept is arranged between those first conductive electrodes and those second conductive electrodes,
Wherein, this contact panel produces and exports at least one feedback analog signal of corresponding at least one touch point according to one first scanning voltage and one second scanning voltage; And
One arrangement for detecting, in order to this at least one touch point of detecting, this arrangement for detecting comprises:
One connectivity port is electrically coupled to this contact panel;
Time schedule controller is electrically coupled to this connectivity port to export the one scan sequence control signal to this connectivity port;
One detecting voltage generator, be electrically coupled to this connectivity port, this detecting voltage generator produces this first scanning voltage and this second scanning voltage, this first scanning voltage is applied on those first conductive electrodes by this connectivity port successively according to the control of this scanning sequence control signal, this second scanning voltage is applied on those second conductive electrodes by this connectivity port successively according to the control of this scanning sequence control signal, and this detecting voltage generator receives this at least one feedback analog signal that this contact panel is exported by this connectivity port;
One analog-digital converter is electrically coupled to this connectivity port with this at least one feedback analog signal of reception, and should converts corresponding at least one feedback digital signal to by at least one feedback analog signal; And
One output connectivity port, this output connectivity port receives this at least one feedback digital signal from this analog-digital converter, and this at least one feedback digital signal of output.
9. contactor control device according to claim 8 is characterized in that wherein said connectivity port is a ternary lock.
10. contactor control device according to claim 8 is characterized in that wherein said first scanning voltage and this second scanning voltage have identical voltage level.
11. contactor control device according to claim 8 is characterized in that wherein said first scanning voltage and this second scanning voltage have different voltage levels.
12. contactor control device according to claim 8, when it is characterized in that wherein said first scanning voltage is applied to those first conductive electrodes successively, this second scanning voltage is applied to those second conductive electrodes successively.
13. contactor control device according to claim 8 is characterized in that wherein said first scanning voltage is applied to after those first conductive electrodes successively, this second scanning voltage is applied to those second conductive electrodes more successively.
14. contactor control device according to claim 8 is characterized in that wherein said arrangement for detecting also comprises a storage device, this storage device is electrically coupled to this analog-digital converter and this time schedule controller with temporary this at least one feedback digital signal in regular turn.
15. contactor control device according to claim 8, it is characterized in that it also comprises a processor, the output connectivity port that this processor is electrically coupled to this arrangement for detecting is to receive and to handle this at least one feedback digital signal and obtain the positional information of this at least one touch point.
16. contactor control device according to claim 15, it is characterized in that it also comprises a display device, this display device is electrically coupled to this processor receiving the positional information of this at least one touch point, and shows this at least one touch point according to the positional information of this at least one touch point in this display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810161880A CN101727252A (en) | 2008-10-13 | 2008-10-13 | Detecting device for a touch panel and touch device using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810161880A CN101727252A (en) | 2008-10-13 | 2008-10-13 | Detecting device for a touch panel and touch device using same |
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| CN101727252A true CN101727252A (en) | 2010-06-09 |
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| CN200810161880A Pending CN101727252A (en) | 2008-10-13 | 2008-10-13 | Detecting device for a touch panel and touch device using same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424644A (en) * | 2012-05-15 | 2013-12-04 | 义隆电子股份有限公司 | Method and device for detecting quality of touch panel by using different voltage stimulation signals |
| CN103902132A (en) * | 2014-03-20 | 2014-07-02 | 京东方科技集团股份有限公司 | Inductance-type touch screen, display panel and display device |
| CN107104672A (en) * | 2016-02-19 | 2017-08-29 | 联阳半导体股份有限公司 | Touch detection device and touch detection method |
-
2008
- 2008-10-13 CN CN200810161880A patent/CN101727252A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424644A (en) * | 2012-05-15 | 2013-12-04 | 义隆电子股份有限公司 | Method and device for detecting quality of touch panel by using different voltage stimulation signals |
| CN103424644B (en) * | 2012-05-15 | 2016-08-03 | 义隆电子股份有限公司 | Method and device for detecting quality of touch panel by using different voltage stimulation signals |
| CN103902132A (en) * | 2014-03-20 | 2014-07-02 | 京东方科技集团股份有限公司 | Inductance-type touch screen, display panel and display device |
| WO2015139424A1 (en) * | 2014-03-20 | 2015-09-24 | 京东方科技集团股份有限公司 | Inductive touch screen, display panel and display device |
| US9696844B2 (en) | 2014-03-20 | 2017-07-04 | Boe Technology Group Co., Ltd. | Inductive touch screen, display panel and display apparatus |
| CN107104672A (en) * | 2016-02-19 | 2017-08-29 | 联阳半导体股份有限公司 | Touch detection device and touch detection method |
| CN107104672B (en) * | 2016-02-19 | 2020-11-17 | 联阳半导体股份有限公司 | Touch detection device and touch detection method |
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Open date: 20100609 |