CN101546242A - Touch control panel device - Google Patents
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- CN101546242A CN101546242A CN200810089703A CN200810089703A CN101546242A CN 101546242 A CN101546242 A CN 101546242A CN 200810089703 A CN200810089703 A CN 200810089703A CN 200810089703 A CN200810089703 A CN 200810089703A CN 101546242 A CN101546242 A CN 101546242A
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Abstract
The invention relates to a touch control panel device, which comprises a substrate layer, an insulating layer and a plurality of first and second electrode groups. The insulating layer is formed on the surface of the substrate layer; each first electrode group comprises a plurality of first electrode plates and a plurality of first conducting wires which are electrically connected with the adjacent first electrode plates; and each second electrode group comprises a plurality of second electrode plates and a bridging conducting wire which is electrically connected with the adjacent second electrode plates. The first electrode groups and the second electrode plates in the second electrode groups are mutually and alternately formed on the surface of the insulating layer, and the bridging conducting wire is formed on the surface where the substrate layer and the insulating layer are connected. The device has the advantages that the device has simple structure and easy manufacture, and can reduce the electromagnetic interference from the outside.
Description
Technical field
The present invention relates to a kind of touch control panel device, particularly relate to a kind of capacitive touch control panel device.
Background technology
In general life, touch panel is used on the various electronic product, for example widely, the cash machine of financial institution, the guide to visitors information system of department store, or personal digital assistant (Personal Digital Assistant, PDA) and notebook computer.According to the difference of its detecting principle, the relative merits that each tool of dissimilar contact panels is different.
Fig. 1 is described to be the structure of at present general capacitive touch control panel device, this capacitive touch control panel device has smooth substrate 11, be formed at first electrode unit 12 on substrate 11 end faces, be formed at second electrode unit 13 on the bottom surface of substrate 11, by first lead unit 14 of substrate 11 end face peripheries toward interior extension and electrical ties first electrode unit 12, by second lead unit 15 of substrate 11 bottom surface peripheries toward interior extension and electrical ties second electrode unit 13, and difference electrical ties first, second lead unit 14,15 the first extension line unit 16 and second extension line unit 17 to connect power supply or signal.To first, second electrode unit 12,13, can around substrate 11, form electric field by first, second lead unit 14,15 and first, second extension line unit 16,17 guiding power supplys or signal.When the user with finger or conductor touches or when this touch control panel device, with attract or first, second electrode unit 12,13 of disturbance on micro-electric field change, and then cause contact position or near place's changes in capacitance.By this, touch control panel device just can detect the coordinate that touches a little.
Yet, above-mentioned capacitive touch control panel device is in manufacturing process, need first extension apparatus 16 and second extension apparatus 17 are set (Bond Wire) top, bottom surface periphery in substrate 11 respectively, and overlap first, second lead unit 14,15 with first, second electrode unit 12,13 of difference electrical ties.And first, second extension line unit 16,17 is around extending to substrate 11 during the outside, often because of the gap of set a distance not, 16,17 of first, second extension line unit, cause 16,17 of first, second extension line unit to form noise and disturb the detecting of contact point, cause the lower problem of yield of producing.
This shows, above-mentioned existing capacitive touch control panel device structure with use, obviously still have inconvenience and defective, be necessary to provide a kind of simple in structure, make the touch control panel device of simplifying and can improving the problems referred to above.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 generally device and product do 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 capacitive touch control panel 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 capacitive touch control panel device 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 capacitive touch control panel device, can improve general existing capacitive touch control panel device, 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
Fundamental purpose of the present invention is, overcomes the defective that existing capacitive touch control panel device exists, and a kind of novel touch control panel device is provided, and technical matters to be solved is to make its structure simple and easy to manufacture, is very suitable for practicality.
Another object of the present invention is to, overcome the defective that existing capacitive touch control panel device exists, and a kind of novel touch control panel device, technical matters to be solved are provided is to make its structure simple and can reduce extraneous electromagnetic interference (EMI), thereby is suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of touch control panel device that the present invention proposes, it comprises: a substrate layer; One insulation course is formed at a surface of this substrate layer; A plurality of first electrode groups, a plurality of first leads that each above-mentioned first electrode group comprises a plurality of first electrode slices and is electrically connected adjacent above-mentioned first electrode slice; And a plurality of second electrode groups, the bridging conductor that each above-mentioned second electrode group comprises a plurality of second electrode slices and is electrically connected adjacent above-mentioned second electrode slice; Above-mentioned second electrode slice in above-mentioned first electrode group and the above-mentioned second electrode group is formed at the surface that insulation course does not join with this substrate layer mutually separatedly, and the bridging conductor in the above-mentioned second electrode group then is formed at the surface that this substrate layer and this insulation course join.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid touch control panel device, the bridging conductor of wherein said each above-mentioned second electrode group comprises a plurality of bridge joint line segments that are electrically connected adjacent above-mentioned second electrode slice, each above-mentioned bridge joint line segment comprises one first conductive part and is formed at two second conductive parts at these first conductive part two ends, above-mentioned second conductive part respectively with above-mentioned second electrode slice adjacent the two link to each other.
Aforesaid touch control panel device, it more comprises a conductive layer, this conductive layer is formed at the surface that this substrate layer and this insulation course join, and with this second electrode group between insulation mutually.
Aforesaid touch control panel device, it more comprises a conductive layer, this conductive layer is formed at the opposite face on the surface that this substrate layer and this insulation course join.
Aforesaid touch control panel device, wherein said bridging conductor comprise one first conductive part and a plurality of second conductive part, and each above-mentioned second conductive part links to each other with one of above-mentioned second electrode slice.
Aforesaid touch control panel device is characterized in that arbitrary above-mentioned second conductive part is coupled to an end of above-mentioned second electrode slice corresponding with it.
Aforesaid touch control panel device, arbitrary above-mentioned second conductive part is coupled to a middle part of above-mentioned second electrode slice corresponding with it.
The surface that aforesaid touch control panel device, wherein said insulation course are used to form above-mentioned second electrode slice of above-mentioned first electrode group and the above-mentioned second electrode group is smooth surface.
Aforesaid touch control panel device, above-mentioned first electrode slice of each above-mentioned first electrode group is arranged along straight line apart from one another by ground.
Aforesaid touch control panel device, the wherein said first electrode group is apart from one another by the ground parallel arrangement.
Above-mentioned second electrode slice in the aforesaid touch control panel device, each above-mentioned second electrode group is arranged in this surface of insulating layer apart from one another by ground along straight line.
Aforesaid touch control panel device, above-mentioned second electrode slice in the wherein said second electrode group is apart from one another by parallel this surface of insulating layer that is arranged in ground.
Aforesaid touch control panel device, wherein said first electrode slice and above-mentioned second electrode slice are arranged in this surface of insulating layer with array format.
Aforesaid touch control panel device, the common definition of above-mentioned second electrode slice of wherein said first electrode group and the above-mentioned second electrode group one sense plane.
Aforesaid touch control panel device, wherein said touch control panel device further comprise an anti-scratch layer, and it is formed at the surface of described sense plane.
The object of the invention to solve the technical problems also realizes by the following technical solutions.According to a kind of touch control panel device that the present invention proposes, it comprises: a transparent substrate layer; One transparent insulating layer is formed at a surface of this transparent substrate layer; And a sensing cell, comprising: a plurality of first electrode groups; And a plurality of second electrode groups, the bridging conductor that each above-mentioned second electrode group comprises a plurality of second electrode slices and is electrically connected adjacent above-mentioned second electrode slice; Above-mentioned second electrode slice in above-mentioned first electrode group and the above-mentioned second electrode group is formed at the surface of this transparent insulating layer mutually separatedly and defines a sense plane jointly, and this bridging conductor then is formed between this sense plane and this transparent substrate layer.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid touch control panel device, wherein said bridging conductor is formed at the surface of this transparent substrate layer, and is covered by this transparent insulating layer.
The surface that aforesaid touch control panel device, wherein said transparent insulating layer are used for forming above-mentioned second electrode slice in above-mentioned first electrode group and the above-mentioned second electrode group is smooth surface.
Aforesaid touch control panel device, wherein said bridging conductor comprises a plurality of bridge joint line segments that are electrically connected adjacent above-mentioned second electrode slice, each above-mentioned bridge joint line segment comprises one first conductive part and is formed at two second conductive parts at these first conductive part two ends, and these two second conductive parts link to each other with adjacent two above-mentioned second electrode slices respectively.
Aforesaid touch control panel device, it more comprises a conductive layer, this conductive layer is formed at the surface that this substrate layer and this insulation course join, and with this second electrode group between insulation mutually.
Aforesaid touch control panel device, it more comprises a conductive layer, this conductive layer is formed at the opposite face on the surface that this substrate layer and this insulation course join.
Aforesaid touch control panel device, wherein said bridging conductor comprise one first conductive part and a plurality of second conductive part, and each above-mentioned second conductive part links to each other with one of above-mentioned second electrode slice.
The present invention compared with prior art has tangible advantage and beneficial effect.By technique scheme, touch control panel device of the present invention has following advantage and beneficial effect at least: at first, the first electrode group and the second electrode group are closer apart from touch face, can promote the sensing sensitivity of touch control panel device.Secondly, second electrode slice of the first electrode group and the second electrode group is in same one deck, can obtain sensing sensitivity comparatively uniformly; Make the touch control panel device structure become simply in addition, thereby simplify processing procedure.Once more, because the existence of insulation course makes second electrode slice of win the electrode group and the second electrode group far away apart from the optics module (as LCM) of substrate layer opposite side, thereby can weaken the interference of optics module to the detection process of touch control panel device.At last, because the bridging conductor of the second electrode group is in the insulation course, and insulation course can form smooth surface, and second electrode slice that helps the follow-up first electrode group and the second electrode group like this is in the formation of surface of insulating layer.
In sum, the invention relates to a kind of touch control panel device, it comprises substrate layer, insulation course and a plurality of first and second electrode group.Insulation course is formed at the surface of substrate layer; Each first electrode group comprises a plurality of first electrode slices and is electrically connected a plurality of first leads of adjacent first electrode slice; Each second electrode group comprises a plurality of second electrode slices and is electrically connected the bridging conductor of adjacent second electrode plates.Second electrode slice in these the first electrode groups and the second electrode group is formed at the surface of insulation course mutually separatedly, and described bridging conductor is formed at the surface that substrate layer and insulation course join.Structure of the present invention is simple, easy to manufacture, and can reduce extraneous electromagnetic interference (EMI).The present invention has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on structure of installing or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing capacitive touch control panel device has the outstanding effect of enhancement, thereby being suitable for practicality more, and having the extensive value of industry, 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 structural representation of the touch control panel device of prior art.
Fig. 2 is the cut-open view of the touch control panel device of the technical program first embodiment.
Fig. 3 is the vertical view of the touch control panel device of the technical program first embodiment.
Fig. 4 is the exploded view of the touch control panel device of the technical program first embodiment.
Fig. 5 is the exploded view of the touch control panel device of the technical program second embodiment.
Fig. 6 is the vertical view of the touch control panel device of the technical program second embodiment.
Fig. 7 is the cut-open view of the touch control panel device of the technical program second embodiment.
Fig. 8 is the enlarged drawing of a-quadrant among Fig. 7.
Fig. 9 is the cut-open view of the touch control panel device of the technical program the 3rd embodiment.
Figure 10 is the enlarged drawing in B zone among Fig. 9.
Figure 11 is the cut-open view of the touch control panel device of the technical program the 4th embodiment.
Figure 12 is the cut-open view of the touch control panel device of the technical program the 5th embodiment.
Figure 13 is the cut-open view of the touch control panel device of the technical program the 6th embodiment.
100,200,300,400,500,600: touch control panel device
110: substrate layer 111: the substrate layer surface
121: the first electrode slices of 120: the first electrode groups
122: the first leads 130,230,430: the second electrode groups
131,231,331,431: the second electrode slices
132: bridge joint line segment 133,233,333,433: the first conductive parts
134,234,334,434: the second conductive parts
140: insulation course 141: surface of insulating layer
142: through hole 150: anti-scratch layer
151: touch face 180,182: conductive layer
232,432: bridging conductor
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, to its embodiment of touch control panel device, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Consult Fig. 2 and Fig. 3, the technical program first embodiment provides a kind of touch control panel device 100, and it comprises substrate layer 110, at least one first electrode group 120, at least one second electrode group 130, insulation course 140 and anti-scratch layer 150.In the present embodiment, touch control panel device 100 comprises a plurality of first electrode groups 120 and a plurality of second electrode group 130, and the first electrode group 120 and the second electrode group 130 are arranged at the same side of substrate layer 110.Insulation course 140 is formed at substrate layer 110 surfaces.The anti-scratch layer 150 covering first electrode group 120 and the second electrode group 130 are to protect it.In addition, the surface of anti-scratch layer 150 can further be provided with other antireflection material, protective material etc.
Moreover each first electrode group 120 comprises a plurality of first electrode slices 121 and a plurality of first lead 122 respectively.These first electrode slices 121 are arranged spaced reciprocally along straight line, and carry out electrical ties (detailed in Fig. 3) by first lead 122 between the first adjacent electrode slice 121.Consult Fig. 3, in the present embodiment, first electrode slice 121 is a rhombus, the rhombus of adjacent first electrode slice 121 realize being electrically connected by first conductor wire 122 than the summit of short diagonal, by this with a plurality of first electrode slices 121 along the X-direction shape that is arranged in a straight line.Certainly, the shape of first electrode slice 121 can be set according to specific requirement, does not exceed with the rhombus in the present embodiment.
Please consult Fig. 2 and Fig. 3 simultaneously, each second electrode group 130 comprises a plurality of second electrode slices 131 and a plurality of bridge joint line segment 132.All bridge joint line segments 132 in the same second electrode group 130 are merged is called bridging conductor.These second electrode slices 131 are arranged spaced reciprocally along straight line, and carry out electrical ties by a bridge joint line segment 132 between adjacent two second electrode slices 131.In the present embodiment, second electrode slice 131 is a rhombus, the rhombus of adjacent second electrode plates 131 realize being electrically connected by bridging conductor 132 than the summit of long-diagonal, in view of the above with a plurality of second electrode slices 131 along the Y direction shape that is arranged in a straight line.Certainly, the shape of second electrode slice 131 can be set according to specific requirement equally, does not exceed with the rhombus in the present embodiment.
Please continue to consult Fig. 2 and Fig. 3, each second electrode group 130 has a plurality of bridging conductors 132 that are arranged between the adjacent second electrode plates 131 respectively.Each bridging conductor 132 comprises one first conductive part 133 and two second conductive parts 134 that are connected in first conductive part, 133 two ends.In the present embodiment, first conductive part 133 is a conduction line segment, and the length of this conduction line segment is suitable with the distance between the adjacent second electrode plates 131, can be slightly larger than or be slightly less than the distance between the adjacent second electrode plates 131.Two second conductive parts 134 are conductive structures that the two ends with first conductive part 133 are electrically connected with two second adjacent electrode slices 131 respectively.
Please merge referring to Fig. 4, organize in the second electrode group 130, a plurality of first conductive part, 133 spaces and be formed at the surface 111 of substrate layer 110 with form of straight lines at each.In other words, the subregion on the surface 111 of substrate layer 110 is covered by first conductive part 133.Insulation course 140 is formed on the surface 111 of substrate layer 110, covers the zone that is not covered by first conductive part 133 in first conductive part 133 and the surface 111 by this simultaneously.Insulation course 140 has the smooth surface of insulating layer 141 relative with the surface 111 of substrate layer 110.After so smooth surface of insulating layer 141 has been arranged, will be very simple with second electrode slice, 131 processes formed thereon in the first electrode group 120 and the second electrode group 130.
In addition, the position that insulation course 140 is corresponding with the two ends of each first conductive part 133 is formed with the through hole 142 of the megohmite insulant that connects 141 of first conductive part 133 and surface of insulating layer.The filled conductive material can form aforesaid second conductive part 134 in through hole 142.Thus, an end of second conductive part 134 is connected with first conductive part 133, and the other end then can form conductiving point at surface of insulating layer 141, so that follow-up second electrode slice 131 that is formed at surface of insulating layer 141 can be electrically connected with these conductiving points.
Aforesaid second electrode slice 131 is formed on the surface of insulating layer 141, and the position of the position of second electrode slice 131 and first conductive part 133 and second conductive part 134 adapts, and is electrically connected so that first conductive part 133 and second conductive part 134 cooperate can make to produce between the second adjacent electrode slice 131.Specifically, a plurality of first conductive parts 133 are laid in according to pre-provisioning request on the surface 111 of substrate layer 110, and the two ends of each first conductive part 133 then are provided with one second electrode slice 131 respectively corresponding to the position of surface of insulating layer 141.Just have a plurality of second electrode slices 131 to be set on the surface of insulating layer 141 thus, first conductive part 133 and second conductive part 134 that constitute bridge joint line segment 132 then are in the insulation course 140.That is second electrode slice 131 is in the different layers with bridge joint line segment 132.Utilize this kind structure, the second adjacent electrode slice 131 that is in surface of insulating layer 141 can utilize bridge joint line segment 132 to be electrically connected in the mode of bridge joint by first conductive part 133 and second conductive part 134 that are in the insulation course 140.
Please continue and see Fig. 2, a plurality of first electrode slices 121 and first conductor wire 122 in the aforementioned first electrode group 120 are formed on the surface of insulating layer 141, thus, second electrode slice 131 in the first electrode group 120 and the second electrode group 130 (just is in same one deck) with being distributed in simultaneously on the surface of insulating layer 141, and defines a sense plane jointly.These first electrode groups 120 that are arranged in a linear are arranged in surface of insulating layer 141 parallel to each other, and second electrode slice 131 that is arranged in a linear in the second electrode group 130 also is arranged on the surface of insulating layer 141 parallel to each other.And the first electrode group 120 and the second electrode group 130 are staggered.In the present embodiment, a plurality of first electrode slices 121 and a plurality of second electrode slice, 131 orthogonal being staggered that are arranged in a linear that are arranged in a linear promptly, are arranged with array format.In the array that first electrode slice 121 and second electrode slice 131 are formed, first electrode slice 121 and second electrode slice 131 are non-intersect and do not overlap, that is second electrode slice 131 in the first electrode group 120 and the second electrode group 130 is to be arranged in spaced reciprocally on the surface of insulating layer 141.
Described substrate layer 110 can be transparent material, glass for example, acryl (PMMA), Polyvinylchloride (PVC), polypropylene (PP), polyethylene terephthalate (PET), PEN (PEN), polycarbonate (PC) or other transparent materials that is fit to, but also can be other lighttight materials.The described first electrode group 120 and the second electrode group 130 can for example be made up of tin indium oxide (ITO), but also can be made up of lighttight material by the light transmission conductive material.Same, insulation course 140 can be by nonconducting transparent material, and for example silicon dioxide is formed, but also can be made up of lighttight material.
In other words, substrate layer 110, the first electrode group 120, the second electrode group 130 and insulation course 140 can all be transparent materials; And in another embodiment, substrate layer 110, the first electrode group 120, the second electrode group 130 and insulation course 140 also can be lighttight materials.In different embodiment, second electrode slice 131 and insulation course 140 in substrate layer 110, the first electrode group 120, the second electrode group 130 are transparent material, and the bridge joint line segment 132 in the second electrode group 130 is light-proof material (a for example metal such as silver), as long as the size of bridge joint line segment 132 is enough little, the product of then making is still applicable to the environment of need printing opacity.The touch control panel device of selecting for use transparent material to make can be applied in the device with touch-control screen, mobile phone for example, personal digital assistant (PDA), satellite navigation system (GPS) or the like.For other application, can also utilize printed circuit board (PCB) (PCB) or soft board (Flexible PrintedCircuit; FPC) make touch control panel device of the present invention.
Aforesaid anti-scratch layer 150 is in order to cover the first electrode group 120 and second electrode slice 131, and it is used to prevent the infringement of external force to the first electrode group 120 and second electrode slice 131.Described anti-scratch layer 150 has touch face 151, for finger or other conduction object contacts.
Compare prior art, the touch control panel device 100 that previous embodiment provided has the following advantages.At first, the first electrode group 120 and the second electrode group 130 are closer apart from touch face 151, can promote the sensing sensitivity of touch control panel device 100 like this.Secondly, the first electrode group 120 and second electrode slice 131 are in same one deck, for the conduction object of contact or close touch face 151, can obtain sensing sensitivity comparatively uniformly; Make touch control panel device 100 structures become simply in addition, thereby simplify processing procedure.Once more, because the existence of insulation course 140, make win electrode group 120 and second electrode slice 131 far away, thereby can weaken of the interference of optics module the detection process of touch control panel device 100 apart from the optics module (as LCM) of substrate layer 110 opposite sides.In addition, Biao Mian planarization helps the carrying out of subsequent optical adjustment means such as light reflection.At last, because the bridge joint line segment 132 of the second electrode group 130 is in the insulation course 140, and insulation course 140 can form smooth surface of insulating layer 141, helps the follow-up first electrode group 120 and second electrode slice 131 like this in the formation of surface of insulating layer 141.
Next see also Fig. 5 to Fig. 8, the technical program second embodiment provides another kind of touch control panel device 200, and touch control panel device 100 structures of itself and first embodiment are basic identical, and difference is the structure of the second electrode group 230.Touch control panel device 200 comprises a plurality of second electrode groups 230, and each second electrode group 230 comprises a plurality of second electrode slices 231 and a bridging conductor 232 that is used to be electrically connected adjacent second electrode plates 231.Bridging conductor 232 comprises one first conductive part 233 and a plurality of second conductive parts 234 that are electrically connected with first conductive part 233.First conductive part 233 is a long strip type lead, its simultaneously corresponding a plurality of second electrode slices 231.The quantity of second conductive part 234 equals the quantity of second electrode slice 231, is used for corresponding one by one with second electrode slice 231.Each second electrode slice 231 passes through one second conductive part 234 to be connected with first conductive part 233, like this, second electrode slice 231 just can be electrically connected with first conductive part 233 respectively by each self-corresponding second conductive part 234, thereby realizes a plurality of second electrode slices 231 are contacted.In the present embodiment, each second conductive part, 234 1 end connects first conductive part 233, and the other end is connected in the end of second electrode slice 231.
Certainly, do not exceed with above-mentioned end in the position that described second conductive part 234 is connected in second electrode slice 231, as long as just can realize that second conductive part 234 and second being electrically connected of electrode slice 231 can.For example, see also Fig. 9 to Figure 10, the technical program the 3rd embodiment provides another kind of touch control panel device 300, touch control panel device 200 structures of itself and second embodiment are basic identical, difference is that each second conductive part, 334 1 end connects first conductive part 333, and the other end is connected in the middle part of second electrode slice 331.
Compare prior art, the touch control panel device 200,300 of above-mentioned second and third embodiment has the advantage of above-mentioned touch control panel device 100.Secondly, because a long strip type first conductive part 233,333 simultaneously corresponding a plurality of second electrode slices 231,331 only are set, therefore can further simplify the manufacturing process of touch control panel device 200,300.
See also Figure 11, the technical program the 4th embodiment provides another kind of touch control panel device 400, and touch control panel device 100 structures of itself and first embodiment are basic identical, and difference is the structure of the second electrode group 430.This touch control panel device 400 comprises a plurality of second electrode groups 430, and each second electrode group 430 comprises a plurality of second electrode slices 431 and a plurality of bridging conductor 432.Be electrically connected by a bridging conductor 432 between per two adjacent second electrode plates 431.Each bridging conductor 432 comprises one first conductive part 433 and two second conductive parts 434, and these two second conductive parts 434 are connected in the two ends of described first conductive part 433.Described first conductive part 433 and two second conductive parts 434 are structure as a whole.In the present embodiment, bridging conductor 432 is by the integrally formed horseshoe type structure of first conductive part 433 and two second conductive parts 434.
Compare prior art, at first, the touch control panel device 400 of present embodiment has the advantage of above-mentioned touch control panel device 100.Secondly, because bridging conductor 432 is by the integrally formed one-piece construction of first conductive part 433 and two second conductive parts 434, like this, can promote the reliability of bridging conductor 432 electric conductivities on the one hand, on the other hand, can save the process of in insulation course, getting through hole and filled conductive material, simplify the processing procedure of touch control panel device 400.
In the foregoing description, each element in the described first electrode group and the second electrode group can be identical as the material of first, second conductive part of electrode slice, conductor wire, composition bridging conductor, for example forms by ITO.
Next please refer to Figure 12 and Figure 13, be the cut-open view of the touch control panel device of the technical program the 5th and the 6th embodiment.Most of structure of these two embodiment is identical with the structure of the touch control panel device 100 of first embodiment shown in Figure 2.In the embodiment shown in fig. 12, touch control panel device 500 is except each constituent components shown in Figure 2, also comprised conductive layer 180 in addition, at embodiment shown in Figure 13,600 of touch control panel devices have comprised conductive layer 182 in addition, and conductive layer 182 is made among the insulation course 140 equally with bridge joint line segment 132. Conductive layer 180 and 182 mainly provides the metallic shield effect, and the optics module that helps to prevent the below impacts each sensing electrode group.Wherein, conductive layer 180 also can be done and reticulate to reduce capacitance.
Certainly, conductive layer 180 and 182 also can both all be made in the touch control panel device.In addition, the design of this kind metallic shield goes in the touch control panel device shown in the other embodiments of the invention too.
In sum, the bridging conductor structure of touch control panel device of the present invention is not exceeded with the described structure of the foregoing description, as long as satisfy: second electrode slice in the first electrode group and the second electrode group is in same one deck (or defining sense plane jointly), bridging conductor and sense plane are in different layers, promptly, bridging conductor is arranged at the substrate layer surface, and and the first electrode group between carry out electrical isolation by insulation course and get final product.
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 (22)
1, a kind of touch control panel device, it comprises:
One substrate layer;
One insulation course is formed at a surface of this substrate layer;
A plurality of first electrode groups, a plurality of first leads that each above-mentioned first electrode group comprises a plurality of first electrode slices and is electrically connected adjacent above-mentioned first electrode slice; And
A plurality of second electrode groups, the bridging conductor that each above-mentioned second electrode group comprises a plurality of second electrode slices and is electrically connected adjacent above-mentioned second electrode slice;
It is characterized in that, above-mentioned second electrode slice in above-mentioned first electrode group and the above-mentioned second electrode group is formed at the surface that insulation course does not join with this substrate layer mutually separatedly, and the bridging conductor in the above-mentioned second electrode group then is formed at the surface that this substrate layer and this insulation course join.
2, touch control panel device according to claim 1, the bridging conductor that it is characterized in that wherein said each above-mentioned second electrode group comprises a plurality of bridge joint line segments that are electrically connected adjacent above-mentioned second electrode slice, each above-mentioned bridge joint line segment comprises one first conductive part and is formed at two second conductive parts at these first conductive part two ends, above-mentioned second conductive part respectively with above-mentioned second electrode slice adjacent the two link to each other.
3, touch control panel device according to claim 1 is characterized in that it more comprises a conductive layer, and this conductive layer is formed at the surface that this substrate layer and this insulation course join, and with this second electrode group between insulation mutually.
4, touch control panel device according to claim 1 is characterized in that it more comprises a conductive layer, and this conductive layer is formed at the opposite face on the surface that this substrate layer and this insulation course join.
5, touch control panel device according to claim 1 is characterized in that wherein said bridging conductor comprises one first conductive part and a plurality of second conductive part, and each above-mentioned second conductive part links to each other with one of above-mentioned second electrode slice.
6, touch control panel device according to claim 4 is characterized in that arbitrary above-mentioned second conductive part is coupled to an end of above-mentioned second electrode slice corresponding with it.
7, touch control panel device according to claim 4 is characterized in that arbitrary above-mentioned second conductive part is coupled to a middle part of above-mentioned second electrode slice corresponding with it.
8, touch control panel device according to claim 1 is characterized in that the surface that wherein said insulation course is used to form above-mentioned second electrode slice of above-mentioned first electrode group and the above-mentioned second electrode group is smooth surface.
9, touch control panel device according to claim 1 is characterized in that above-mentioned first electrode slice of each above-mentioned first electrode group is arranged along straight line apart from one another by ground.
10, touch control panel device according to claim 9 is characterized in that the wherein said first electrode group is apart from one another by the ground parallel arrangement.
11, touch control panel device according to claim 10 is characterized in that above-mentioned second electrode slice in each above-mentioned second electrode group is arranged in this surface of insulating layer apart from one another by ground along straight line.
12, touch control panel device according to claim 11 is characterized in that above-mentioned second electrode slice in the wherein said second electrode group is apart from one another by parallel this surface of insulating layer that is arranged in ground.
13, touch control panel device according to claim 12 is characterized in that wherein said first electrode slice and above-mentioned second electrode slice are arranged in this surface of insulating layer with array format.
14, touch control panel device according to claim 1 is characterized in that above-mentioned second electrode slice of wherein said first electrode group and the above-mentioned second electrode group defines a sense plane jointly.
15, touch control panel device according to claim 13 is characterized in that wherein said touch control panel device further comprises an anti-scratch layer, and it is formed at the surface of described sense plane.
16, a kind of touch control panel device, it comprises:
One transparent substrate layer;
One transparent insulating layer is formed at a surface of this transparent substrate layer; And
One sensing cell comprises:
A plurality of first electrode groups; And
A plurality of second electrode groups, the bridging conductor that each above-mentioned second electrode group comprises a plurality of second electrode slices and is electrically connected adjacent above-mentioned second electrode slice;
It is characterized in that, above-mentioned second electrode slice in above-mentioned first electrode group and the above-mentioned second electrode group is formed at the surface of this transparent insulating layer mutually separatedly and defines a sense plane jointly, and this bridging conductor then is formed between this sense plane and this transparent substrate layer.
17, touch control panel device according to claim 16 is characterized in that wherein said bridging conductor is formed at the surface of this transparent substrate layer, and is covered by this transparent insulating layer.
18, touch control panel device according to claim 16 is characterized in that the surface that wherein said transparent insulating layer is used for forming above-mentioned second electrode slice in above-mentioned first electrode group and the above-mentioned second electrode group is smooth surface.
19, touch control panel device according to claim 16, it is characterized in that wherein said bridging conductor comprises a plurality of bridge joint line segments that are electrically connected adjacent above-mentioned second electrode slice, each above-mentioned bridge joint line segment comprises one first conductive part and is formed at two second conductive parts at these first conductive part two ends, and these two second conductive parts link to each other with adjacent two above-mentioned second electrode slices respectively.
20, touch control panel device according to claim 16 is characterized in that it more comprises a conductive layer, and this conductive layer is formed at the surface that this substrate layer and this insulation course join, and with this second electrode group between insulation mutually.
21, touch control panel device according to claim 16 is characterized in that it more comprises a conductive layer, and this conductive layer is formed at the opposite face on the surface that this substrate layer and this insulation course join.
22, touch control panel device according to claim 16 is characterized in that wherein said bridging conductor comprises one first conductive part and a plurality of second conductive part, and each above-mentioned second conductive part links to each other with one of above-mentioned second electrode slice.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810089703A CN101546242A (en) | 2008-03-26 | 2008-03-26 | Touch control panel device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810089703A CN101546242A (en) | 2008-03-26 | 2008-03-26 | Touch control panel device |
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| CN101546242A true CN101546242A (en) | 2009-09-30 |
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| CN200810089703A Pending CN101546242A (en) | 2008-03-26 | 2008-03-26 | Touch control panel device |
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