CN202948423U - Touch control induction electrode structure - Google Patents
Touch control induction electrode structure Download PDFInfo
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- CN202948423U CN202948423U CN 201220594825 CN201220594825U CN202948423U CN 202948423 U CN202948423 U CN 202948423U CN 201220594825 CN201220594825 CN 201220594825 CN 201220594825 U CN201220594825 U CN 201220594825U CN 202948423 U CN202948423 U CN 202948423U
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Abstract
The utility model provides a touch control induction electrode structure which comprises an induction electrode. The induction electrode comprises a main body portion, a connection portion connected with the bottom of the main body portion and signal transmission line, wherein the width of the connection portion is larger than or equal to a half of the width of the bottom of the main body portion, the signal transmission line comprises a head portion and a tail lead connected with the head portion, the head portion of the signal transmission line is overlapped on the connection portion of the induction electrode and electrically connected with the connection portion. The touch control induction electrode structure can reduce static electricity quantity on the unit area of the connection portion of the induction electrode to reduce heat generated by the static electricity to further improve antistatic grade.
Description
Technical field
The utility model relates to a kind of touch sensing, espespecially a kind of touch-control sensing electrode structure.
Background technology
Along with the development of science and technology, many electronic products by traditional keyboard or mouse as input equipment, change into and use contact panel as input equipment.Existing contact panel can roughly be divided into according to principle of work: the contact panels such as condenser type, resistance-type, surface acoustic wave type and infrared induction; Wherein capacitance type touch-control panel is most widely used.
Capacitance type touch-control panel generally includes substrate, be positioned at induction electrode on substrate, be positioned at the metal signal transmission line in substrate periphery zone.Wherein induction electrode is comprised of body and the connecting portion that is connected with body bottom, and wherein, the width of connecting portion is less than the half width bottom body.Signal transmssion line is comprised of head and afterbody lead-in wire institute, and wherein the head of signal transmssion line is that to be stacked at connecting portion and both sizes of induction electrode close.Capacitance type touch-control panel is attached on electronic package and touches operation as contactor control device for the user.Owing to having the gap between contact panel and electronic package, the user easily will be with it in the process of touching operation with static scurry into the gap and be accumulated on the neighboring area of contact panel.Separately, exist a large amount of static also can be accumulated on the contact panel neighboring area in air.Therefore static is larger for the impact of the electrode connecting portion that is positioned at the neighboring area and signal transmssion line, and according to Joule law Q=I
2Rt will certainly produce heat when static process signal transmssion line or induction electrode.Due to the impedance of metal signal transmission line less (being about hundreds of nurse difficult to understand), static produces shortage of heat so that wire is burnt through the metal signal transmission line.But the connecting portion impedance of induction electrode is large (being about a few kilooersted nurses), and static is relatively also larger through the heat that produces herein.Because the width of connecting portion is a half width less than the body bottom, under other factors (as length, height etc.) are fixing, the induction electrode connecting portion is little because of its area, make its static content that distributes on unit area relatively very large, and then the heat of this place generation of induction electrode connecting portion is opened circuit because being not easy to derive to be burnt to form, cause contact panel to be scrapped.Therefore, the anti-static ability of this capacitance type touch-control panel is relatively poor.
The utility model content
The utility model is to provide a kind of static content that reduces on induction electrode connecting portion unit area that can see through to reduce the heat of generation of static electricity, and then improves the touch-control sensing electrode structure of antistatic grade.
The utility model provides a kind of touch-control sensing electrode structure, comprising: induction electrode, comprise body and the connecting portion that is connected with body bottom, and wherein the width of this connecting portion is more than or equal to the half width bottom this body; And signal transmssion line comprises that head and the afterbody that is connected with this head go between, wherein the head of this signal transmssion line be stacked at this induction electrode connecting portion and with this connecting portion electric connection.This connecting portion is shaped as rectangle or trapezoidal.
Further, the width of this connecting portion equals a half width of this body bottom.This connecting portion is in the centre position of this body bottom.This connecting portion is in an end of this body bottom.The head of this signal transmssion line covers this connecting portion fully.
Further, the width of this connecting portion equals the width of this body bottom.This connecting portion of the head cover part of this signal transmssion line.The head of this signal transmssion line is stacked at the centre of this connecting portion.The head of this signal transmssion line is stacked at a side of this connecting portion.The head of this signal transmssion line covers this connecting portion fully.
Further, away from the second edge bottom this body, wherein the distance between this first edge and this second edge is 0.02～0.4mm with one at the first edge that this connecting portion has this body of a next-door neighbour bottom.
Further, this touch-control sensing electrode structure more comprises a substrate, and this touch-control sensing electrode structure is arranged on a substrate.
Further, this touch-control sensing electrode structure more comprises a shielding layer, wherein this shielding layer and be located in this substrate and this touch-control sensing electrode structure between.
Adopt the utility model, when the static grade is too high, see through the width that increases connecting portion and reduce the static content that it distributes on unit area, and then the heat that reduction induction electrode connecting portion produces herein reduces and is not easy to be burnt, therefore, the utility model can improve the antistatic grade of touch-control sensing electrode structure.
Description of drawings
Fig. 1 is the touch-control sensing electrode structure schematic diagram of first preferred embodiment of the utility model;
Fig. 2 is the partial enlarged drawing of A in Fig. 1;
Fig. 3 is that Fig. 2 is along the sectional view of profile line BB ';
Fig. 4 is the sectional view of another better contact panel;
Fig. 5 is the touch-control sensing electrode structure schematic diagram of second preferred embodiment of the utility model;
Fig. 6 is the touch-control sensing electrode structure schematic diagram of the 3rd preferred embodiment of the utility model;
Fig. 7 is the touch-control sensing electrode structure schematic diagram of the 4th preferred embodiment of the utility model;
Fig. 8 is the touch-control sensing electrode structure schematic diagram of the 5th preferred embodiment of the utility model;
Fig. 9 is the touch-control sensing electrode structure schematic diagram of the 6th preferred embodiment of the utility model; And
Figure 10 is the touch-control sensing electrode structure manufacture method process flow diagram of an embodiment.
Embodiment
For enabling further to understand feature and the technology contents of the utility model, see also following detailed description about the utility model and accompanying drawing, but these explanations with appended graphic be only that the utility model is described, but not interest field of the present utility model is done any restriction.
Please merge and consult Fig. 1, Fig. 2 and Fig. 3.Wherein, Fig. 1 is the touch panel structure provided schematic diagram of the utility model one embodiment; Fig. 2 is the partial enlarged drawing of a-quadrant in Fig. 1; Fig. 3 is that Fig. 2 is along profile line BB '
Sectional view.This contact panel 100 comprises substrate 40 and the touch-control sensing electrode structure 10 of being located on substrate 40.
This touch-control sensing electrode structure 10 comprises induction electrode 20 and signal transmssion line 30.Induction electrode 20 comprises the first sensor pad 211 and second sensor pad 212 of plural number along the second direction distribution that plural number distributes along first direction.Wherein connect with wire 23 between two adjacent the first sensor pads 211.Two adjacent the second sensor pads 212 are placed in respectively the dual-side of wire 23, and connect each other with the conducting bridge 24 across wire 23, and keep being electrically insulated between conducting bridge 24 and wire 23 in modes such as insulation courses (not indicating in figure).Note that at this above-mentioned embodiment is not to limit the utility model.In a kind of embodiment, induction electrode 20 can be comprised of a plurality of electrode axis that is parallel to each other therein.
With the first sensor pad 211 shown in Figure 1, can be the sensor pad 211b that has the sensor pad 211a of complete pattern or have imperfect pattern, same, the second sensor pad 212 can be also the sensor pad 212b that has the sensor pad 212a of complete pattern or have imperfect pattern.Fig. 2 shows the sensor pad with imperfect pattern, and wherein the sensor pad of this imperfect pattern, if distribute along first direction, be the sensor pad 211b of imperfect pattern; If distribute along second direction, be the sensor pad 212b of imperfect pattern, whichsoever, all with body 21 expressions.If induction electrode 20 is comprised of the electrode axis that a plurality of are parallel to each other, be all the electrode axis of complete pattern, do not have so-called complete or imperfect pattern sensor pad minute.
Please refer again to Fig. 2, be connected with connecting portion 22 in body 21 bottoms, wherein body 21 is located in the touch area M1 of substrate 40, and connecting portion 22 can be located in the neighboring area M2 of substrate 40 and the bottom that is being close to body 21 arranges and is electrically connected with signal transmssion line 30.Wherein, the width of connecting portion 22 is more than or equal to a half width of body 21 bottoms.In this embodiment, the rectangular in fact shape of the shape of connecting portion 22 also occupies the whole width of body 21 bottoms.But on practice, the shape of connecting portion 22 can design according to the actual product application demand, for example can be designed to trapezoidal or any other geometric configuration, and the present embodiment is not as limit.Separately, the first edge that connecting portion 22 has this body of next-door neighbour 21 bottoms with one away from the second edge bottom this body, wherein the distance between this first edge and this second edge is 0.02～0.4mm, concrete distance is set according to controller and contact panel, at this not as restriction.
in the present embodiment, the material of induction electrode 20 can comprise various transparent conductive materials, for example, tin indium oxide (indium tin oxide, ITO), indium zinc oxide (indium zinc oxide, IZO), cadmium tin (cadmium tin oxide, CTO), aluminum zinc oxide (aluminum zinc oxide, AZO), indium oxide zinc-tin (indium tin zinc oxide, ITZO), zinc paste (zinc oxide), cadmium oxide (cadmiumoxide), hafnia (hafnium oxide, HfO), indium oxide gallium zinc (indium gallium zinc oxide, InGaZnO), indium oxide gallium zinc-magnesium (indium gallium zinc magnesium oxide, InGaZnMgO), indium oxide gallium magnesium (indium gal lium magnesium oxide, InGaMgO) or indium oxide gallium aluminium (indiumgallium aluminum oxide, InGaAlO), but above-mentioned material is not to limit the utility model.
See also Fig. 4, Fig. 4 is the sectional view of another better contact panel.When contact panel is applied to use on display panel, substrate 40 should be the substrate that transparent material forms, and touch area M1 and neighboring area M2 can be used for again defining viewing area and non-display area.With respect to Fig. 3, the substrate 40 of contact panel is a upper cover substrate, can have simultaneously carrying touch-control sensing electrode structure 10 and safeguard function, this upper cover substrate more comprises one deck shielding layer 50, and this shielding layer 50 is located between substrate 40 and touch-control sensing electrode 10, in a preferred embodiment, shielding layer 50 is formed on substrate 40 and is positioned at the neighboring area M2 of substrate 40, wherein, in the M2 of neighboring area, connecting portion 22 all is arranged on shielding layer 50 with signal transmssion line 30.Shielding layer 50 is comprised of transparent materials usually, for example black resin, black photoresist, also can make high dielectric ink with low-k etc., therefore see it from substrate 40 with respect to the another side of carrying touch-control sensing electrode structure 10, can cover other electronic packages of induction electrode structural sheet such as signal transmssion line 30 etc., make it not to be exposed in user interface, reach by this aesthetic.If above-mentioned contact panel 100 is not to be combined with display panel, substrate 40 can be non-transparency carrier, and shielding layer 50 can remove from contact panel 100.Hereinafter will describe for the different embodiment of the touch electrode structure of the utility model, and be simplified illustration, below explanation is described in detail mainly for each embodiment difference, and no longer something in common is repeated to give unnecessary details.In addition, in each embodiment of the utility model, identical assembly is to indicate with identical label, is beneficial to contrast mutually between each embodiment.
Please refer to 5 figure, Fig. 5 is the touch-control sensing electrode structure schematic diagram of second preferred embodiment of the utility model.Touch-control sensing electrode structure 11 place different from the touch-control sensing electrode structure 10 of above-mentioned the first preferred embodiment be, the head 31 of signal transmssion line 30 covers whole connecting portion 22 fully.
Please refer to Fig. 6, Fig. 6 is the touch-control sensing electrode structure schematic diagram of the 3rd preferred embodiment of the utility model.The present embodiment provides a touch-control sensing electrode structure 12.Touch-control sensing electrode structure 12 place different from the touch-control sensing electrode structure 10 of above-mentioned the first preferred embodiment be, the bottom that connecting portion 22 is being close to body 21 arranges and is electrically connected with signal transmssion line 30.Wherein, the width of connecting portion 22 is half of body 21 bottom widths.In the present embodiment, connecting portion 22 is positioned at the centre position of body 21 bottoms, but in practice, the position of connecting portion 22 can be designed according to the actual product application demand, for example the position of connecting portion 22 can be positioned at an end of body 21 bottoms, and the present embodiment is not as limit.
Depending on the shape of body 21, connecting portion 22 except being rectangle, can also be trapezoidal.Please refer to Fig. 7, Fig. 7 is the touch-control sensing electrode structure schematic diagram of the 4th preferred embodiment of the utility model.Touch-control sensing electrode structure that the present embodiment provides 13 is with touch-control sensing electrode structure 10 differences of above-mentioned the first preferred embodiment, and connecting portion 22 is trapezoidal, is exactly in fact the part that the bottom from body 21 extends out.And the head 31 of signal transmssion line 30 covers connecting portion 22 width over half, head 31 is the centre positions that are stacked at connecting portion 22 in the present embodiment, but on practice, head 31 designs according to the actual product application demand with the position relationship of connecting portion 22, for example head 31 can be folded a side (upside or downside) of establishing with connecting portion 22, but the present embodiment is not as limit.
Please refer to Fig. 8, Fig. 8 is the touch-control sensing electrode structure schematic diagram of the 5th preferred embodiment of the utility model.Touch-control sensing electrode structure that the present embodiment provides 14 is with touch-control sensing electrode structure 11 differences of above-mentioned the second preferred embodiment, and connecting portion 22 is trapezoidal, and the head 31 of signal transmssion line 30 covers whole connecting portion 22 fully.
Please refer to Fig. 9, Fig. 9 is the touch-control sensing electrode structure schematic diagram of the 6th preferred embodiment of the utility model.Touch-control sensing electrode structure that the present embodiment provides 15 is with touch-control sensing electrode structure 12 differences of above-mentioned the 3rd preferred embodiment, and connecting portion 22 is trapezoidal, and the head 31 of signal transmssion line 30 covers whole connecting portion 22 fully.In the present embodiment, connecting portion 22 is positioned at the centre position of body 21 bottoms, but in practice, the position of connecting portion 22 can be designed according to the actual product application demand, for example the position of connecting portion 22 can be positioned at an end of body 21 bottoms, and the present embodiment is not as limit.
Above-mentioned touch-control sensing electrode structure 10,11,12,13,14 or 15, because the width of the head 31 of signal transmssion line 30 increases to over half corresponding to body 21 bottoms, therefore signal transmssion line 30 is with the static transmission path also corresponding increase of electrostatic current to connecting portion 22, the static content on connecting portion 22 relative unit areas reduces because of the increase of transmission path.According to Joule law, also corresponding reduction of the heat that produces on connecting portion 22 unit areas, and then the antistatic grade of raising touch-control sensing electrode structure.
With reference to Figure 10, the manufacture method of the touch-control sensing electrode structure of an embodiment is provided, comprise the steps:
S102: form an induction electrode, specifically form induction electrode on a substrate, can adopt rotary coating, plating, sputter, printing or other modes prior to formation layer of transparent conducting film on substrate, then by processing procedures such as photoetching, nesa coating is etched into the induction electrode of the electrode pattern that needs.the material of induction electrode is for example tin indium oxide (indium tin oxide, ITO), indium zinc oxide (indium zinc oxide, IZO), cadmium tin (cadmium tin oxide, CTO), aluminum zinc oxide (aluminum zinc oxide, AZO), indium oxide zinc-tin (indium tin zinc oxide, ITZO), zinc paste (zinc oxide), cadmium oxide (cadmium oxide), hafnia (hafnium oxide, HfO), indium oxide gallium zinc (indium galliumzincoxide, InGaZnO), indium oxide gallium zinc-magnesium (indium gallium zinc magnesium oxide, InGaZnMgO), indium oxide gallium magnesium (indium gallium magnesium oxide, InGaMgO) or indium oxide gallium aluminium (indium gallium aluminum oxide, InGaAlO), but above-mentioned material is not for restriction the utility model.
Formed induction electrode comprises the first sensor pad and second sensor pad of plural number along the second direction distribution that plural number distributes along first direction.Wherein between two adjacent the first sensor pads with wire link, two adjacent the second sensor pads are placed in respectively the wire dual-side and connect each other with the wire bridging across wire.In this attention, above-mentioned embodiment is not to limit the utility model.The first sensor pad or the second sensor pad can have the sensor pad of complete pattern or have the sensor pad of imperfect pattern.No matter be the first sensor pad of first direction distribution or the second sensor pad that second direction distributes, all be defined as body.Body bottom is connected with connecting portion, and wherein body is located in the touch area of substrate, and connecting portion is in the neighboring area of touch area, and wherein the width of this connecting portion is the half width more than or equal to this body bottom.The first edge that connecting portion has this body of a next-door neighbour bottom with one away from the second edge bottom this body, wherein the distance between this first edge and this second edge is 0.02～0.4mm, and concrete distance is set according to controller and contact panel.
S104: form a signal transmssion line, wherein signal transmssion line comprises that head reaches the afterbody lead-in wire that is connected with head, and wherein the head of signal transmssion line is be stacked at the connecting portion of induction electrode and be electrically connected with this connecting portion.Signal transmssion line sees through the neighboring area that mode of printing is printed in substrate.The head of signal transmssion line sees through contraposition and is printed on connecting portion, is stacked at the connecting portion of this induction electrode and is electrically connected with this connecting portion with realization.Wherein, the signal transmssion line material is selected from metal or the carbon pastes such as molybdenum aluminium molybdenum, silver, copper, and sees through the methods formation such as photoetching or printing, but the utility model is also not only as limit.But due in metal silver electric conductivity better, impedance is also lower, therefore better, signal transmssion line is made of silver.
Separately, when substrate is one when having simultaneously the upper cover substrate of carrying and protection touch-control sensing electrode layer function, comprise further step S106, namely form a shielding layer and be located between substrate and touch-control sensing electrode layer.Shielding layer can see through the modes such as printing, plating and form, and the material of selecting can be black resin, black photoresist, also can make the high dielectric ink with low-k, and the utility model is not as limit.For the purpose of concise and to the point, only list key step in the method for the present embodiment, other necessary conventional steps will not given unnecessary details at this.
It should be noted that connecting portion width, shape and signal transmssion line the formation area and with the relative position of connecting portion etc., all described identical with the utility model Fig. 5～Fig. 9 preferred embodiment, for example:
As Fig. 2 or shown in Figure 7, the width of connecting portion equals the width of body bottom, the connecting portion of the head cover part of signal transmssion line, and the head of signal transmssion line can be stacked at centre or a side of connecting portion.
As Fig. 5 or shown in Figure 8, the width of connecting portion equals the width of body bottom, and the head of signal transmssion line covers connecting portion fully.
As Fig. 6 or shown in Figure 9, equal a half width of body bottom at the width of connecting portion, the head of signal transmssion line covers connecting portion fully.Wherein connecting portion can be positioned at the centre position of body bottom, or is positioned at an end of body bottom.
Separately, the figure of above-mentioned connecting portion can be rectangle or trapezoidal, and other please join aforesaid embodiment explanation about the use material of assembly or the detailed annexation of inter-module etc., namely repeat no more at this.
The utility model provides a kind of touch-control sensing electrode structure and manufacture method thereof, when the static grade is too high, see through the width that increases connecting portion and reduce the static content that it distributes on unit area, and then the heat that reduction induction electrode connecting portion produces herein reduces and is not easy to be burnt, therefore, the utility model can improve the antistatic grade of touch-control sensing electrode structure.Wherein, when connecting portion consistent with the width of body, the overlap joint area of the head of signal transmssion line and connecting portion is maximum, therefore can reduce significantly the static content that it distributes on unit area, and then reduce significantly the heat that the induction electrode connecting portion produces herein and guarantee that the touch-control sensing electrode structure is not easy to be burnt, the antistatic grade of this touch-control sensing electrode structure is the highest.
The above is only the preferred embodiment of the utility model, is not the claim that limits the utility model; All other do not break away from lower the equivalence of completing change of spirit or the modification that creation is disclosed, and all should be included in following claim.
Claims (14)
1. touch-control sensing electrode structure comprises:
Induction electrode comprises body and the connecting portion that is connected with body bottom, and wherein the width of this connecting portion is more than or equal to the half width bottom this body; And
Signal transmssion line, the afterbody lead-in wire that comprises head and be connected with this head, wherein the head of this signal transmssion line is be stacked at the connecting portion of this induction electrode and be electrically connected with this connecting portion.
2. touch-control sensing electrode structure according to claim 1, is characterized in that, this connecting portion is shaped as rectangle or trapezoidal.
3. touch-control sensing electrode structure according to claim 1, is characterized in that, the width of this connecting portion equals the half width bottom this body.
4. touch-control sensing electrode structure according to claim 3, is characterized in that, this connecting portion is in the centre position of this body bottom.
5. touch-control sensing electrode structure according to claim 3, is characterized in that, this connecting portion is in an end of this body bottom.
6. touch-control sensing electrode structure according to claim 3, is characterized in that, the head of this signal transmssion line covers this connecting portion fully.
7. touch-control sensing electrode structure according to claim 1, is characterized in that, the width of this connecting portion equals the width bottom this body.
8. touch-control sensing electrode structure according to claim 7, is characterized in that, this connecting portion of the head cover part of this signal transmssion line.
9. touch-control sensing electrode structure according to claim 8, is characterized in that, the head of this signal transmssion line is stacked at the centre of this connecting portion.
10. touch-control sensing electrode structure according to claim 8, is characterized in that, the head of this signal transmssion line is stacked at a side of this connecting portion.
11. touch-control sensing electrode structure according to claim 7 is characterized in that the head of this signal transmssion line covers this connecting portion fully.
12. touch-control sensing electrode structure according to claim 1, it is characterized in that, away from the second edge bottom this body, wherein the distance between this first edge and this second edge is 0.02～0.4mm with one at the first edge that this connecting portion has this body of a next-door neighbour bottom.
13. touch-control sensing electrode structure according to claim 1 is characterized in that, this touch-control sensing electrode structure is arranged on a substrate.
14. touch-control sensing electrode structure according to claim 14 more comprises a shielding layer, wherein this shielding layer and be located in this substrate and this touch-control sensing electrode between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201220594825 CN202948423U (en) | 2012-11-09 | 2012-11-09 | Touch control induction electrode structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220594825 CN202948423U (en) | 2012-11-09 | 2012-11-09 | Touch control induction electrode structure |
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| CN 201220594825 Expired - Fee Related CN202948423U (en) | 2012-11-09 | 2012-11-09 | Touch control induction electrode structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103677406A (en) * | 2013-08-30 | 2014-03-26 | 友达光电股份有限公司 | Touch Panel and Touch Display Panel |
| CN103809796A (en) * | 2012-11-09 | 2014-05-21 | 宝宸（厦门）光学科技有限公司 | Touch sensing electrode structure and manufacturing method thereof |
| CN105453000A (en) * | 2013-07-16 | 2016-03-30 | Lg伊诺特有限公司 | Touch window |
| CN105988622A (en) * | 2015-02-16 | 2016-10-05 | 群创光电股份有限公司 | Touch panel and touch display device applying same |
| TWI694364B (en) * | 2018-12-29 | 2020-05-21 | 大陸商業成科技（成都）有限公司 | Touch device |
-
2012
- 2012-11-09 CN CN 201220594825 patent/CN202948423U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103809796A (en) * | 2012-11-09 | 2014-05-21 | 宝宸（厦门）光学科技有限公司 | Touch sensing electrode structure and manufacturing method thereof |
| CN105453000A (en) * | 2013-07-16 | 2016-03-30 | Lg伊诺特有限公司 | Touch window |
| US10156944B2 (en) | 2013-07-16 | 2018-12-18 | Lg Innotek Co., Ltd. | Touch window |
| CN103677406A (en) * | 2013-08-30 | 2014-03-26 | 友达光电股份有限公司 | Touch Panel and Touch Display Panel |
| CN103677406B (en) * | 2013-08-30 | 2016-10-05 | 友达光电股份有限公司 | Touch panel and touch display panel |
| CN105988622A (en) * | 2015-02-16 | 2016-10-05 | 群创光电股份有限公司 | Touch panel and touch display device applying same |
| TWI694364B (en) * | 2018-12-29 | 2020-05-21 | 大陸商業成科技（成都）有限公司 | Touch device |
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Granted publication date: 20130522 Termination date: 20211109 |