CN201403089Y - Circuit structure of capacitive touch panel - Google Patents
Circuit structure of capacitive touch panel Download PDFInfo
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- CN201403089Y CN201403089Y CN2009201457108U CN200920145710U CN201403089Y CN 201403089 Y CN201403089 Y CN 201403089Y CN 2009201457108 U CN2009201457108 U CN 2009201457108U CN 200920145710 U CN200920145710 U CN 200920145710U CN 201403089 Y CN201403089 Y CN 201403089Y
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Abstract
The utility model relates to a circuit structure of a capacitive touch panel. The circuit structure mainly comprises a plurality of metal wires and a plurality of electrode induction blocks, wherein the electrode induction blocks are respectively isolated electrically and connected with the metal wires electrically. The circuit structure can help reduce the resistance value of the circuit structure (ITO), further overcome the problem of affecting the signal transduction and enhance the sensitivity of the touch panel.
Description
Technical field
The utility model relates to a kind of circuit structure of capacitance type touch-control panel, particularly relates to a kind of capacitance type touch-control panel that can reduce the impedance of circuit structure.
Background technology
Over the years, the application of contact panel is more and more widely, and the trend that replaces conventional mouse is gradually arranged.Because the user need not to spend many times and deacclimatizes the use of custom mouse, with the function of finger substituting for key, mouse and pointer, can be intuitively, simply browsing page, check Email or operate other application programs etc.
General capacitance type touch-control panel is to plate one deck circuit structure on the clear glass surface, indium tin oxide films (Indium Tim Oxide for example, ITO Layer) or antimony tin film (antimony tinoxide Layer, ATO Layer) etc., when contacting with contact panel, for example similarly be people's finger, can on contact panel, siphoning away electric current of trace a bit, the controller of contact panel rear end then can be calculated the ratio that electric current is sucked away and be calculated X-axis and Y-axis.United States Patent (USP) the 6th, 961 discloses a kind of capacitance type touch-control panel of circuit structure of both-end conduction for No. 049, shown in Figure 1A figure; And the capacitance type touch-control panel of the circuit structure of the 6th, 297, No. 811 a kind of single-ended conductions of exposure of United States Patent (USP), shown in Figure 1B.Yet two kinds of above-mentioned contact panels all have because the resistance value of circuit structure (ITO) is too high, cause the signal sensed too faint, influences the problem that signal transmits, have and differentiate wrong situation, and then the sensitivity of reduction contact panel.
This shows that the circuit structure of above-mentioned existing capacitance type 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 circuit structure of novel capacitance type touch-control panel, to reduce the resistance value of circuit structure, and make contact panel have more accurate signal transmission, and real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Summary of the invention
Main purpose of the present utility model is, overcome the defective of the circuit structure existence of existing capacitance type touch-control panel, and a kind of circuit structure of novel capacitance type touch-control panel is provided, technical problem to be solved is to make its resistance value that can effectively reduce circuit structure, is very suitable for practicality.
Another purpose of the present utility model is, a kind of circuit structure of novel capacitance type touch-control panel is provided, and technical problem to be solved is the accuracy that its signal that can improve contact panel is transmitted, thereby is suitable for practicality more.
The purpose of this utility model and solve its technical problem and realize by the following technical solutions.Circuit structure according to a kind of capacitance type touch-control panel that the utility model proposes comprises at least: at least one induction electrode group, and wherein each those induction electrode group comprises: at least one metal wire; And a plurality of electrode induction blocks, those electrode induction blocks are to be respectively electrical isolation, and electrically connect those metal wires respectively, and export at least one electric capacity signal according at least one position of touch.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
Aforesaid circuit structure, it more comprises a plurality of spacings, and those spacings are between any two those electrodes induction block, those spacing equal and opposite in directions.
Aforesaid circuit structure, the area of wherein said electrode induction block is to be equal areas, this circuit structure is the area size of those electrodes induction blocks of coating according to those position of touch, exports those electric capacity signals.
Aforesaid circuit structure, the area of wherein said electrode induction block is to be unequal area, this circuit structure is the area size of those electrodes induction blocks of coating according to those position of touch, exports those electric capacity signals.
Aforesaid circuit structure, it more comprises a plurality of spacings, and those spacings are that those spacings comprise a plurality of unequal distances between any two those electrodes induction block.
Aforesaid circuit structure, the area of wherein said electrode induction block is to be equal areas, this circuit structure is the area size of those electrodes induction blocks of coating according to those position of touch, exports those electric capacity signals.
Aforesaid circuit structure, the area of wherein said electrode induction block is to be unequal area, this circuit structure is the area size of those electrodes induction blocks of coating according to those position of touch, exports those electric capacity signals.
Aforesaid circuit structure, wherein said electrode induction block is to arrange in the mode that is diminished in regular turn by left-to-right area, and those spacings are to arrange to become big mode by left-to-right distance in regular turn.
Aforesaid circuit structure, it more comprises a plurality of spacings, and those spacings are between any two those electrodes induction block, those spacing equal and opposite in directions, this circuit structure is the area size of those electrodes induction blocks of coating according to those position of touch, exports those electric capacity signals.
Aforesaid circuit structure, it more comprises a plurality of spacings, and those spacings are that those spacings comprise a plurality of not equidistant between two those electrodes induction blocks, this circuit structure is the area size of those electrodes induction blocks of coating according to those position of touch, exports those electric capacity signals.
Aforesaid circuit structure, wherein said electrode induction block is made up of tin indium oxide.
Aforesaid circuit structure, wherein said metal wire comprises many first metal wires and many second metal wires, each those first metal wire is to be used to electrically connect this capacitance type touch-control panel and this electrode induction block, and each those second metal wire is to be used to electrically connect between any two those electrodes induction block.
Aforesaid circuit structure, wherein said electrode induction block is to be connected with this metal wire is stacked.
The utility model compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, major technique of the present utility model thes contents are as follows:
For achieving the above object, the utility model provides a kind of circuit structure of capacitance type touch-control panel, and the circuit structure of this capacitance type touch-control panel mainly comprises many metal line and a plurality of electrode induction block.Electrode induction block electrically connects metal wire, and exports a plurality of electric capacity signals according to position of touch.
In addition, for achieving the above object, the utility model also provides a kind of circuit structure of capacitance type touch-control panel, and it comprises many metallic traces, a plurality of electrode induction block and a plurality of spacing at least.These electrode induction blocks are to be respectively electrical isolation, and electrode induction block electrically connects metallic circuit.This spacing is between any two electrodes induction block; And circuit structure is the area size of a plurality of electrodes induction blocks that coat according to a plurality of position of touch, exports a plurality of electric capacity signals.
Moreover for achieving the above object, the utility model provides a kind of circuit structure of capacitance type touch-control panel again, comprises many metallic traces, a plurality of electrode induction block and a plurality of spacing at least.These electrode induction blocks are to be respectively electrical isolation, and electrically connect metal wire respectively.Those spacings are between any two those electrodes induction block; Wherein circuit structure is the spacing area size that coats according to a plurality of position of touch, exports a plurality of electric capacity signals.
By technique scheme, the circuit structure of the utility model capacitance type touch-control panel has following advantage and beneficial effect at least: by the circuit structure of capacitance type touch-control panel of the present utility model, can effectively reduce the resistance value of circuit structure, and improve the accuracy of the signal transmission of contact panel.
In sum, the utility model relates to a kind of circuit structure of capacitance type touch-control panel, and the circuit structure of this capacitance type touch-control panel mainly comprises many metal line and a plurality of electrode induction block.Those electrode induction blocks are to be respectively electrical isolation, and electrically connect metal wire.Can reduce the resistance value of circuit structure (ITO) by above-mentioned circuit structure, further improve the problem that signal transmits that influence, the sensitivity of enhancement contact panel.The utility model has obvious improvement technically, and has tangible good effect, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Figure 1A is the schematic diagram of the circuit structure of conventional condenser contact panel.
Figure 1B figure is the schematic diagram of the circuit structure of another conventional condenser contact panel.
Fig. 2 A and Fig. 2 B are the schematic diagrames of circuit structure first embodiment of capacitance type touch-control panel.
Fig. 3 A and Fig. 3 B are the schematic diagrames of circuit structure second embodiment of capacitance type touch-control panel.
Fig. 4 A and Fig. 4 B are the schematic diagrames of circuit structure the 3rd embodiment of capacitance type touch-control panel.
Fig. 5 A and Fig. 5 B are the schematic diagrames of circuit structure the 4th embodiment of capacitance type touch-control panel.
10a: capacitance type touch-control panel 102a: induction electrode group
110a: electrode induction block 120a: Low ESR metal wire
1202a: the first Low ESR metal wire 1204a: the second Low ESR metal wire
130a: spacing 10b: capacitance type touch-control panel
102b: induction electrode group 110b: electrode induction block
120b: Low ESR metal wire 1202b: the first Low ESR metal wire
1204b: the second Low ESR metal wire 130b: spacing
10c: capacitance type touch-control panel 102c: induction electrode group
110c: electrode induction block 120c: Low ESR metal wire
1202c: the first Low ESR metal wire 1204c: the second Low ESR metal wire
120c: Low ESR metal wire 130c: spacing
10d: capacitance type touch-control panel 102d: induction electrode group
110d: electrode induction block 120d: Low ESR metal wire
1202d: the first Low ESR metal wire 1204d: the second Low ESR metal wire
1: the first touch point of 130d: spacing touch
2: the second touch points of touch
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of circuit structure, structure, feature and effect thereof according to the capacitance type touch-control panel that the utility model proposes, describe in detail as after.Except following description, the utility model can also be widely implemented at other embodiment, and scope of the present utility model is not subjected to the qualification of embodiment, its with after claim be as the criterion.Moreover for clearer description being provided and being more readily understood the utility model, graphic interior each several part is not drawn according to its relative size, and some size is compared with other scale dependents and is exaggerated; Incoherent detail section is not drawn fully yet, in the hope of graphic succinct.
Fig. 2 A is the schematic diagram that shows first embodiment of capacitance type touch-control panel of the present utility model.Shown in Fig. 2 A, the circuit structure 10a of this capacitance type touch-control panel is made up of at least one induction electrode group 102a, and each strip electrode sense group 102a comprises a plurality of electrode induction block 110a of the same area and a Low ESR metal wire 120a.Electrode induction block 110a is respectively electrical isolation, and electrically connects metal wire 120a respectively, and the spacing 130a that has same distance between electrode induction block 110a.By traditional circuit structure being cut into a plurality of electrode induction block 110a, on each electrode induction block 110a, overlap a Low ESR metal wire 120a then, to constitute the main circuit structure of capacitance type touch-control panel 10a of the present utility model.Because traditional circuit structure is a high-resistance electrode, in the signal transmission, can cause signal delay, therefore circuit structure is cut into the electrode induction block 110a of a plurality of electrode isolation each other, adopt Low ESR metal wire 120a then, utilize the characteristic of Low ESR metal wire 120a, and a plurality of electrodes induction block 110a pile up with Low ESR metal wire 120a and form configuration in parallel, reduce the impedance of signal transmission, and then the transmission effect of lifting capacitive sensing signal.When the first touch point touch 1 and the second touch point touch 2 carry out touch-control on electrode induction block 110a, the electrode induction block 110a area that can arrive because of institute's touch-control is different with the position, and produce different electric capacity signal output, calculate different position of touch according to different electric capacity signal output.
In addition, the Low ESR metal wire of Fig. 2 A can have the schematic diagram of another kind of distribution in the different embodiment of capacitance type touch-control panel, shown in Fig. 2 B.The circuit structure 10a that is different from the capacitance type touch-control panel of the 2nd A figure, in the embodiment of Fig. 2 B, Low ESR nonmetal wire area 120a is divided into the first Low ESR metal wire 1202a and the second Low ESR metal wire 1204a.The first Low ESR metal wire 1202a is used to electrically connect capacitance type touch-control panel 10a and electrode induction block 110a, signal can be spread out of, and the second Low ESR metal wire 1204a then is used to electrically connect a plurality of electrode induction block 110a.Utilize the characteristic of Low ESR metal wire 120a equally, and connect a plurality of electrode induction block 110a of the same area, reduce the impedance that signal transmits, and then promote the transmission effect of capacitive sensing signal.
Fig. 3 A is the schematic diagram that shows second embodiment of capacitance type touch-control panel of the present utility model.As shown in Figure 3A, capacitance type touch-control panel 10b in this embodiment is made up of at least one induction electrode group 102b equally, and each strip electrode sense group 102b comprises the electrode induction block 110b of a plurality of different area and the configuration that Low ESR metal wire 120b piles up the formation parallel connection, the electrode of different area induction block 110b responds to block 110b in the mode of geometric ratio or equal difference with electrode to arrange for instance, and the spacing 130b that has same distance equally between electrode induction block 110b.Touch-control mechanism at this embodiment is similar to first embodiment, when the first touch point touch 1 and the second touch point touch 2 carry out touch-control on electrode induction block 110b, can be different with the position because of touch-control electrode induction block 110b area, and produce different electric capacity signal output.
In addition, the electrode of Fig. 3 A induction block 110b can have the wiring mode of another kind of Low ESR metal wire 120b, shown in Fig. 3 B equally in different embodiment.This Low ESR nonmetal wire area 120b is divided into the first Low ESR metal wire 1202b and the second Low ESR metal wire 1204b.The first Low ESR metal wire 1202b is used to electrically connect capacitance type touch-control panel 10b and electrode induction block 110b, signal can be spread out of, and the second Low ESR metal wire 1204b then is used to electrically connect a plurality of electrode induction block 110b.Utilize the characteristic of Low ESR metal wire 120b equally, and the electrode induction block 110b that connects a plurality of different area, reduce the impedance that signal transmits, and then promote the transmission effect of capacitive sensing signal.
Fig. 4 A is the schematic diagram that shows the 3rd embodiment of capacitance type touch-control panel.The circuit structure 10c of capacitance type touch-control panel in this embodiment is made up of at least one induction electrode group 102c equally, this induction electrode group 102c comprises a plurality of electrode induction block 110c, article one, Low ESR metal wire 120c and many strip electrodes are responded to the spacing 130c between the block 110c, electrode induction block 110c is to form the electrode induction block 110c that therefore configuration in parallel cuts into circuit structure a plurality of electrode isolation each other to pile up with Low ESR metal wire 120c, adopt Low ESR metal wire 120c then, utilize the characteristic of Low ESR metal wire 120c, and a plurality of electrode induction block 110c pile up formation configuration in parallel with Low ESR metal wire 120c, reduce the impedance that signal transmits, and then promote the transmission effect of capacitive sensing signal.The place that is different from first embodiment and second embodiment is that electrode induction block 110c is the electrode induction block 110c of homalographic, and spacing 130c is not equidistant spacing 130c, and not equidistant spacing 130c arranges in regular turn in the mode of geometric ratio or equal difference.And respond to Low ESR metal wire 120c of same overlap joint on block 110c and the not equidistant spacing 130c at the electrode of homalographic, finish the main circuit structure of this capacitance type touch-control panel 10c.When the first touch point touch 1 and the second touch point touch 2 carry out touch-control on electrode induction block 110c, can be because of the spacing 130c difference of electrode induction block 110c, the area difference that makes the touch-control contact, by different position of touch and area, export and produce different electric capacity signals, and then obtain the effect of touch-control, can calculate the XY coordinate position of this touch point.In addition, need to prove that in different embodiment, many Low ESR metal wire 120c also can electrically connect the circuit structure 10c of each electrode induction block 110c and capacitance type touch-control panel as the connected mode of second embodiment, shown in Fig. 4 B at this.Low ESR nonmetal wire area 120c is divided into the first Low ESR metal wire 1202c and the second Low ESR metal wire 1204c.The first Low ESR metal wire 1202c is used to electrically connect capacitance type touch-control panel 10c and electrode induction block 110c, signal can be spread out of, and the second Low ESR metal wire 1204c then is used to electrically connect a plurality of electrode induction block 110c.Utilize the characteristic of Low ESR metal wire 120c equally, and connect a plurality of electrode induction block 110c of the same area, reduce the impedance that signal transmits, and then promote the transmission effect of capacitive sensing signal.
Fig. 5 A is the schematic diagram that shows the 4th embodiment of capacitance type touch-control panel.Shown in Fig. 5 A, the circuit structure 10d of capacitance type touch-control panel in this embodiment is made up of at least one induction electrode group 102d equally, this induction electrode group 102d comprises a plurality of electrode induction block 110d, spacing 130d between many metal line 120d and the many strip electrodes induction block 110d, electrode induction block 110d forms configuration in parallel with Low ESR metal wire 120d system to pile up, therefore circuit structure is cut into the electrode induction block 110d of a plurality of electrode isolation each other, adopt Low ESR metal wire 120d then, utilize the characteristic of Low ESR metal wire 120d, and a plurality of electrode induction block 110d pile up formation configuration in parallel with Low ESR metal wire 120d, reduce the impedance that signal transmits, and then promote the transmission effect of capacitive sensing signal.The place that is different from the above embodiments is that electrode induction block 110d is the electrode induction block 110d of unequal-area, and spacing 130d is not equidistant spacing 130d, the electrode of different area induction block 110d responds to block 110d in the mode of geometric ratio or equal difference with electrode to arrange for instance, and not equidistant spacing 130d arranges in regular turn in the mode of geometric ratio or equal difference.Respond to Low ESR metal wire 120d of same overlap joint on block 110d and the not equidistant spacing 130d at the electrode of unequal-area, finish the main circuit structure of this capacitance type touch-control panel 10d.By of the variation of electrode induction block 110d area with two kinds of configurations of spacing, its preferred embodiment diminishes as the area of the induction of electrode from left to right block 110d and spacing 130d becomes the folded effect that adds of big (shown in Fig. 5 A, Fig. 5 B), when making touch control operation, the contact area difference of touch point can produce different capacitive sensing signals by different touch-control areas with the position.In addition, need to prove at this, in different embodiment, shown in Fig. 5 B, many metal line 120d also can electrically connect capacitance type touch-control panel 10d and each electrode induction block 110d as the connected mode of second embodiment, its Low ESR nonmetal wire area 120d is divided into the first Low ESR metal wire 1202d and the second Low ESR metal wire 1204d, utilize the characteristic of Low ESR metal wire 120d equally, and the electrode induction block 110d that connects a plurality of different area, reduce the impedance that signal transmits, and then promote the transmission effect of capacitive sensing signal.
Capacitance type touch-control panel in the above-described embodiments is all the capacitance type touch-control panel of the circuit structure of single-ended conduction, yet in different embodiment, this capacitance type touch-control panel structure also can be applied to the capacitance type touch-control panel of the circuit structure of both-end conduction.Electrode induction block be preferably by tin indium oxide (Indium Tim Oxide ITO) forms, however in different embodiment, electrode induction block also can be formed by other chemical mixtures, for example (Indium Zinc Oxide IZO) etc., does not limit at this indium-zinc oxide.In addition, need to prove that capacitance type touch-control panel is preferably and is the individual layer capacitance type touch-control panel, yet in different embodiment, capacitance type touch-control panel of the present utility model also can be applied to multi-layer capacity formula contact panel, does not limit at this at this.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model 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 the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (13)
1, a kind of circuit structure of capacitance type touch-control panel is characterized in that comprising at least:
At least one induction electrode group, wherein each those induction electrode group comprises:
At least one metal wire; And
A plurality of electrode induction blocks, those electrode induction blocks are to be respectively electrical isolation, and electrically connect those metal wires respectively, and export at least one electric capacity signal according at least one position of touch.
2, circuit structure according to claim 1 is characterized in that it more comprises a plurality of spacings, and those spacings are between any two those electrodes induction block, those spacing equal and opposite in directions.
3, circuit structure according to claim 2, the area that it is characterized in that wherein said electrode induction block is to be equal areas, this circuit structure is the area size of those electrodes induction blocks of coating according to those position of touch, exports those electric capacity signals.
4, circuit structure according to claim 2, the area that it is characterized in that wherein said electrode induction block is to be unequal area, this circuit structure is the area size of those electrodes induction blocks of coating according to those position of touch, exports those electric capacity signals.
5, circuit structure according to claim 1 is characterized in that it more comprises a plurality of spacings, and those spacings are that those spacings comprise a plurality of unequal distances between any two those electrodes induction block.
6, circuit structure according to claim 5, the area that it is characterized in that wherein said electrode induction block is to be equal areas, this circuit structure is the area size of those electrodes induction blocks of coating according to those position of touch, exports those electric capacity signals.
7, circuit structure according to claim 5, the area that it is characterized in that wherein said electrode induction block is to be unequal area, this circuit structure is the area size of those electrodes induction blocks of coating according to those position of touch, exports those electric capacity signals.
8, circuit structure according to claim 7 it is characterized in that wherein said electrode induction block is to arrange in the mode that is diminished in regular turn by left-to-right area, and those spacings is to arrange to become big mode by left-to-right distance in regular turn.
9, circuit structure according to claim 1, it is characterized in that it more comprises a plurality of spacings, those spacings are between any two those electrodes induction block, those spacing equal and opposite in directions, this circuit structure is the area size of those electrodes induction blocks of coating according to those position of touch, exports those electric capacity signals.
10, circuit structure according to claim 1, it is characterized in that it more comprises a plurality of spacings, those spacings are between two those electrodes induction blocks, those spacings comprise a plurality of not equidistant, this circuit structure is the area size of those electrodes induction blocks of coating according to those position of touch, exports those electric capacity signals.
11, circuit structure according to claim 1 is characterized in that wherein said electrode induction block is made up of tin indium oxide.
12, circuit structure according to claim 1, it is characterized in that wherein said metal wire comprises many first metal wires and many second metal wires, each those first metal wire is to be used to electrically connect this capacitance type touch-control panel and this electrode induction block, and each those second metal wire is to be used to electrically connect between any two those electrodes induction block.
13, circuit structure according to claim 1 is characterized in that wherein said electrode induction block is to be connected with this metal wire is stacked.
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| CN2009201457108U CN201403089Y (en) | 2009-03-24 | 2009-03-24 | Circuit structure of capacitive touch panel |
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| CN2009201457108U CN201403089Y (en) | 2009-03-24 | 2009-03-24 | Circuit structure of capacitive touch panel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847065B (en) * | 2009-03-24 | 2013-01-23 | 宸鸿科技(厦门)有限公司 | Circuit structure of capacitance type touch control panel |
| CN102945106A (en) * | 2012-10-31 | 2013-02-27 | 北京京东方光电科技有限公司 | Capacitive incell touch panel and display device |
| CN103049156A (en) * | 2012-12-13 | 2013-04-17 | 北京京东方光电科技有限公司 | Capacitance type embedded touch screen and display device |
| CN104407759A (en) * | 2014-12-05 | 2015-03-11 | 合肥鑫晟光电科技有限公司 | Touch screen and manufacturing method thereof |
| WO2016101292A1 (en) * | 2014-12-24 | 2016-06-30 | 深圳市华星光电技术有限公司 | Touch liquid crystal display panel and touch liquid crystal display device |
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2009
- 2009-03-24 CN CN2009201457108U patent/CN201403089Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847065B (en) * | 2009-03-24 | 2013-01-23 | 宸鸿科技(厦门)有限公司 | Circuit structure of capacitance type touch control panel |
| CN102945106A (en) * | 2012-10-31 | 2013-02-27 | 北京京东方光电科技有限公司 | Capacitive incell touch panel and display device |
| CN102945106B (en) * | 2012-10-31 | 2016-02-03 | 北京京东方光电科技有限公司 | A kind of capacitance type in-cell touch panel and display device |
| CN103049156A (en) * | 2012-12-13 | 2013-04-17 | 北京京东方光电科技有限公司 | Capacitance type embedded touch screen and display device |
| CN103049156B (en) * | 2012-12-13 | 2015-12-23 | 北京京东方光电科技有限公司 | A kind of capacitance type in-cell touch panel and display device |
| US9772723B2 (en) | 2012-12-13 | 2017-09-26 | Beijing Boe Optoelectronics Technology Co., Ltd. | Capacitive in-cell touch panel and display device |
| CN104407759A (en) * | 2014-12-05 | 2015-03-11 | 合肥鑫晟光电科技有限公司 | Touch screen and manufacturing method thereof |
| CN104407759B (en) * | 2014-12-05 | 2018-01-09 | 合肥鑫晟光电科技有限公司 | A kind of touch-screen and preparation method thereof |
| US10139965B2 (en) | 2014-12-05 | 2018-11-27 | Boe Technology Group Co., Ltd. | Touch panel, manufacturing method thereof and display device |
| WO2016101292A1 (en) * | 2014-12-24 | 2016-06-30 | 深圳市华星光电技术有限公司 | Touch liquid crystal display panel and touch liquid crystal display device |
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Granted publication date: 20100210 |