CN203178950U - Single-glass touchpad - Google Patents
Single-glass touchpad Download PDFInfo
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- CN203178950U CN203178950U CN 201220624175 CN201220624175U CN203178950U CN 203178950 U CN203178950 U CN 203178950U CN 201220624175 CN201220624175 CN 201220624175 CN 201220624175 U CN201220624175 U CN 201220624175U CN 203178950 U CN203178950 U CN 203178950U
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- sensing electrode
- monolithic glass
- bearing bed
- cover plate
- trackpad
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Abstract
The utility model provides a single-glass touchpad. The single-glass touchpad comprises a cover plate and a bearing layer. The bearing layer is provided with a conducting layer comprising a sensing electrode and an assisting electrode disposed outside the sensing electrode; a signal wire, wherein the signal wire is in electrical connection with the sensing electrode, and gathers to at least one bonding area, and the bonding area or areas are disposed at least at one outer side of the sensing electrode; and bonding glue, wherein the bonding glue is disposed between the cover plate and the bearing layer, and used for bonding the cover plate and the bearing layer. The single-glass touchpad is used for easing problems that components at marginal areas of the bearing layer falls off or gets damaged easily while a single-glass touchpad is formed.
Description
Technical field
The utility model is relevant for touch technology, and particularly relevant for a kind of monolithic glass Trackpad.
Background technology
In vogue along with the running gear of tool touch controllable functions such as Smartphone, panel computer in recent years, reduce the production cost of Trackpad and produce more frivolous subjects under discussion such as Trackpad gradually important, and the monolithic glass Trackpad is and can meets one of structure of this demand.
See also the 1st figure, illustrated a known techniques of making the monolithic glass Trackpad, it forms a release layer (release layer) 12 at bearing substrate 10 earlier, the bigger prop carrier 14 of square thereon one-tenth one area, and after finishing the processing procedure of touch-control structure 16 on this prop carrier, again along release layer 12 edge C and C ' cutting, utilize the adhesion of 12 pairs of bearing substrates 10 of release layer not good, with bearing substrate 10 and release layer 12, prop carrier 14, touch-control structure 16 retes such as grade separate, and by attaching a glass cover-plate (not shown) to obtain the monolithic glass Trackpad.But in the process of separating bearing substrate 10, because the central area that the thinner thickness of release layer 12 and prop carrier 14 itself and touch-control structure 16 mainly are distributed in prop carrier 14, during separation, prop carrier 14 fringe regions curl easily, and the problem that the touch-control structure of fringe region easily comes off or damages, and then can influence the yield of monolithic glass Trackpad.In view of this, the utility model provides a kind of method for making, effectively head it off.
The utility model content
The utility model one embodiment provides a kind of monolithic glass Trackpad, comprising: a cover plate; One bearing bed is formed with on this bearing bed: a conductive layer comprises a sensing electrode, an auxiliary electrode and is positioned at this sensing electrode outside; One signal conductor is electrically connected at this sensing electrode, and this signal conductor converges at least one bonding land, and this bonding land is positioned at least one outer side edges of this sensing electrode; And a joint glue, be arranged between this cover plate and this bearing bed, in order to engage this cover plate and this bearing bed.
Adopt the utility model monolithic glass Trackpad, by increasing auxiliary electrode at the bearing bed fringe region, make when forming the monolithic glass Trackpad, the suffered stress effect of bearing bed is comparatively balanced, and then it is curling easily to alleviate the bearing bed fringe region, and the easy problem that comes off or damage of the assembly of fringe region.
Description of drawings
The 1st figure is a sectional view, in order to the method for making of known monolithic glass Trackpad to be described.
The 2A～2D figure is a series of sectional views of doing according to the utility model one embodiment, in order to the flow process of monolithic glass Trackpad method for making of the present utility model to be described.
The 3A～3B figure is the patterned conductive layer of doing according to the utility model one embodiment.
The 4A～4B figure is the fragmentary cross-sectional view of doing according to another embodiment of the utility model, in order to Trackpad of the present utility model to be described.
The 5th figure is the sectional view of doing according to another embodiment of the utility model.
The 6A～6C figure is the part synoptic diagram that another embodiment according to the sensing electrode of the utility model monolithic glass Trackpad does.
Embodiment
The utility model provides several embodiment in order to technical characterictic of the present utility model to be described, the usefulness that the graphic only conduct of the content of embodiment and drafting illustrates not is in order to limit the utility model protection domain.May omit inessential element in graphic, different characteristic may proportionally not drawn, and only is used for the usefulness of explanation.The utility model institute disclosure may be used the component symbol that repeats in different embodiment, do not represent different embodiment or graphic and have association.In addition, an element be formed at another element " top ", " on ", " below " or " under " can comprise the directly embodiment of contact of two elements, or also can comprise the embodiment that is folded with other additional element between the two elements.Various elements may show so that illustrate clear succinct with any different proportion.
Please refer to the 2A～2D figure, a series of sectional views of doing for foundation the utility model one embodiment are in order to illustrate the flow process of monolithic glass Trackpad method for making of the present utility model.Please refer to 2A figure, at first, provide substrate 310, and form plastic layer 322 on substrate 310.Substrate 310 is the mechanicalness support as formed structure in the subsequent step, and it can be a transparent or opaque substrate, a glass substrate for example, but its material is not limited thereto.Plastic layer 322 has release ability, and it can comprise polyimide (PI), polypropylene (PP), polystyrene (PS), acrylonitrile-butadiene styrene resin (ABS), polyethylene terephthalate (PET), Polyvinylchloride (PVC), polycarbonate (PC), tygon (PE), polymethylmethacrylate (PMMA), polytetrafluoroethylene (PTFE) or aforementioned combination.Plastic layer 322 can be the single or multiple lift structure, also the stacking structure that can constitute for the material that the material that had release ability by lower floor and upper strata do not have release ability.Plastic layer 322 can use coating or other proper methods to form, and its thickness can be between about 0.5 micron to about 15 microns.The plastic layer 322 of this thickness range has good optical characteristic (for example high penetration), and can reduce cost of manufacture.
Subsequently, form cushion 324 on plastic layer 322, cushion 324 constitutes the bearing bed 320 that is positioned on the substrate 310 jointly with plastic layer 322.In another embodiment, bearing bed 320 can only comprise plastic layer 322, does not namely form cushion 324.Cushion 324 can be formed by any transparent material.In one embodiment, cushion 324 adopts monox, and can use chemical gaseous phase Shen long-pending (Chemical Vapor Deposition, CVD) or other proper methods form.In another embodiment; cushion 324 can adopt the functional group's who comprises two kinds of different qualities adhesion promoter (Adhesion Promoter); more specifically; this adhesion promoter includes the functional group of close organic material and the functional group of close inorganic material; wherein the functional group of close organic material can be amido; hydroxyl; epoxy radicals etc.; the functional group of the inorganic material of parent can be sulfhydryl; amido; hydroxyl; phosphoric acid foundation etc.; adhesion promoter with functional group of this two specific character; for inorganics or organism preferable tack is arranged, and then can guarantee that cushion 324 can adapt to different plastic layer materials.
The thickness of cushion 324 can be between about 10 dusts to about 3000 dusts.Cushion 324 has higher hardness with respect to plastic layer 322, the bearing bed 320 that the good plastic layer 322 of cushion 324 collocation ductility of higher hardness is constituted can have good release ability and superior load-bearing capacity simultaneously, to improve the follow-up fiduciary level that is formed at other assembly on the bearing bed 320.In addition, by making plastic layer 322 and cushion 324 become composite film, can obtain having concurrently the bearing bed 320 of good mechanical strength and release ability.
Then, carry out the step of 2B figure, form conductive layer 330 at bearing bed 320, and conductive layer 330 is carried out patterned process to form sensing electrode 332, auxiliary traverse 334, to reach auxiliary electrode 336.Please consult Fig. 3 A simultaneously, Fig. 3 A has illustrated the conductive layer 330 of a kind of Fig. 2 of can be used for B.The conductive material of conductive layer 330 for having an X-rayed, can comprise tin indium oxide, aluminum zinc oxide, zinc paste, tin-antiomony oxide, tin ash, indium oxide, Nai Miyin, carbon nanotube or aforementioned combination, it can use, and physics or chemical gaseous phase Shen are long-pending, printing, evaporation, spraying or other proper method form.Above-mentioned patterned process step can be undertaken by any proper method, for example little shadow and an etching step.In other embodiments, also modes such as available wire mark, spraying directly form the conductive layer 330 of patterning.Handle step by this, can form sensing electrode 332, auxiliary traverse 334 respectively on bearing bed 320, reach auxiliary electrode 336, wherein sensing electrode 332 comprises a plurality of strip shaped electric poles.In another embodiment, sensing electrode 332 can adopt other electrode structure.Auxiliary traverse 334 is formed at the predetermined zone that forms signal conductor in sensing electrode 332 outsides.In the present embodiment, auxiliary traverse 334 is connected with sensing electrode 332, and in another embodiment, both can not connect.Auxiliary electrode 336 can be continuously or is arranged at the not setting element in sensing electrode 332 outsides and the blank dead space of circuit discontinuously, and auxiliary electrode 336 and sensing electrode 332 mutually insulateds.Auxiliary traverse 334 and auxiliary electrode 336 tie up in the same step with sensing electrode 332 and form, thereby can't increase manufacturing step.In another embodiment, can only form sensing electrode 332 and auxiliary electrode 336.The auxiliary electrode 336 that is formed at sensing electrode 332 peripheries has certain intensity, so can make follow-up when removing substrate 310 on the one hand, bearing bed 320 suffered stress effects are comparatively balanced, and then it is curling easily to alleviate bearing bed 320 fringe regions, and the easy problem that comes off or damage of the assembly of fringe region.On the other hand in subsequent manufacturing processes, can alleviate from the influence to sensing electrode 332 of the aqueous vapor of sensing electrode 332 peripheries and chemical agent, and then improve the fiduciary level of the final monolithic glass Trackpad that forms.
Please be simultaneously with reference to 2C figure and Fig. 3 B, at sensing electrode 332, auxiliary traverse 334, and after auxiliary electrode 336 forms, formation signal conductor 340.Signal conductor 340 is electrically connected at sensing electrode 332, and is positioned on the auxiliary traverse 334, and converges at least one bonding land M.Bonding land M is positioned at least one outer side edges of sensing electrode 332.It should be noted that the position of bonding land M and quantity can adjust according to concrete electrode structure, are not limited to illustrated position and quantity.By increasing auxiliary traverse 334, can reduce the resistance of signal transmission line, so can improve signal transmission capabilities.The material of signal conductor 340 can comprise copper, aluminium, silver, gold, molybdenum aluminium molybdenum alloy, tin indium oxide (ITO) or aforementioned combination.Signal conductor 340 is to be sent to external circuit in order to the signal that sensing electrode 332 is produced.
Then carry out an engagement step, so that circuit board 370 is electrically connected to sensing electrode 332.Circuit board 370 1 ends can be engaged to the signal conductor 340 of bonding land M by conducting resinl 360, be electrically connected to sensing electrode 332 by signal conductor 340 again, the other end then can connect a control wafer (not illustrating), and by this control wafer be electrically connected to an external circuit (not illustrating), for example a printed circuit board (PCB).In this embodiment, circuit board 370 can be a flexible circuit board (Flexible Printed Circuits, FPC), conducting resinl 360 can use anisotropic conductive (Anisotropic Conductive Film, ACF).By circuit board 370, the signal that sensing electrode 332 changes can be sent to external circuit, through obtaining the coordinate of position of touch after IC computing and the system's interpretation.Sensing electrode 332, auxiliary traverse 334, auxiliary electrode 336, signal conductor 340, the circuit board 370 that forms on the bearing bed 320 constituted the touch-control structure of main body.
Subsequently, sensing electrode 332 tops attach joint glue 350.Because bonding land M is formed with conducting resinl 360 and circuit board 370, M relative other zone in bonding land is than out-of-flatness, for asking binding yield and producing bubble at bonding land M when avoiding attaching joint glue 350, therefore can avoid bonding land M, namely be positioned at bonding land M and be not engaged glue 350 and cover.Joint glue 350 can be selected light transmission material preferably for use, as solid state optics glue (Solid Optical Clear Adhesive) or liquid optical cement (Liquid Optical Clear Adhesive).Joint glue 350 can comprise lucite, for example acryl (Acrylic).Joint glue 350 can use the hot pressing processing procedure of the pressurization of heating to fit in sensing electrode 332 tops, and joint glue 350 can be bonded to above the sensing electrode 332 after hot pressing is finished, so also can further promote the bulk strength of touch-control structure.In one embodiment, can carry out all after the step of applying joint glue 350 and cut step, the plural touch-control structure that is formed on the same large-size substrate is separated, this cutting step can adopt the mode of break bar cutting or radium-shine cutting.In another embodiment, can attach joint glue 350 earlier, the circuit board 370 of rejoining.
Last in the step of 2D figure, attach cover plate 380 in the touch-control structure top, and the substrate 310 among the 2C figure is removed (release) from bearing bed 320.Cover plate 380 is in order to protecting touch-control structure, and it can adopt transparent materials such as glass.In the present embodiment, attach before the cover plate 380, can form light shield layer 390 in the edge of cover plate 380, more specifically, light shield layer 390 is positioned at the side that cover plate 380 engages with touch-control structure.In another embodiment, light shield layer 390 can be positioned at the opposite side relative with the composition surface.Light shield layer 390 is in order to mask signal lead 340, guarantees that the monolithic glass Trackpad do not seen by the user at use signal conductor 340, influences visual appearance.The material of light shield layer 390 can be colored ink or coloured photoresistance.With substrate 310 from bearing bed 320 release methods can be solution immersion, thermal treatment, cold treatment, external force is peeled off or aforementioned combination.More specifically, when adopting solution to soak, used solution can be water, alcohol, 1-Methoxy-2-propyl acetate (PGMEA) solution, polyvinylidene fluoride (NMP) solution etc.; Adopting thermal treatment and cold treatment, is that substrate 310 is heated or cool off, utilizes the different generation stress with the coefficient of thermal expansion of substrate 310 of bearing bed 320 and then makes things convenient for release.Again, the order that above-mentioned cover plate attaches, substrate removes can be transferred, and is not limited to said sequence.
In this embodiment, by use plastic layer 322 collocation cushions 324 constitutes composite film, can obtain having good release ability, physical strength, reach the monolithic glass Trackpad of optical property.Simultaneously, by form auxiliary electrode 336 in sensing electrode 332 outsides, make when removing substrate 310, bearing bed 320 suffered stress effects are comparatively balanced, improve the stability of bearing bed 320, and then improve the follow-up fiduciary level that is formed at other assemblies on the bearing bed 320, and it is curling easily to alleviate bearing bed 320 fringe regions, and the easy problem that comes off or damage of the assembly of fringe region.
With reference to shown in figure 2D and Fig. 3 B, the monolithic glass Trackpad 300 via above-mentioned technology forms comprises cover plate 380 simultaneously; Bearing bed 320 is formed with on the bearing bed 320: the conductive layer of patterning comprises sensing electrode 332, auxiliary electrode 336 is positioned at this sensing electrode 332 outsides; Signal conductor 340 is electrically connected at this sensing electrode 332, and signal conductor 340 converges at least one bonding land, and bonding land M is positioned at sensing electrode 332 at least one outer side edges; Circuit board 370, electrically edge joint is in the signal conductor 340 of bonding land; And a joint glue 350, be arranged between cover plate 380 and this bearing bed 320, in order to engage this cover plate 380 and bearing bed 320.In the present embodiment, also be formed with auxiliary traverse 334 on the bearing bed 320, and signal conductor 340 is positioned on the auxiliary traverse 334.The edge of cover plate 380 is formed with light shield layer 390, and more specifically, light shield layer 390 is positioned at the side that cover plate 380 engages with touch-control structure.Light shield layer 390 is in order to mask signal lead 340, guarantees that monolithic glass Trackpad 300 do not seen by the user at use signal conductor 340, influences visual appearance.Other characteristic of monolithic glass Trackpad 300 each parts forms in the technology and describes in detail, repeats no more herein.
In addition please further with reference to figure 4A and Fig. 4 B, monolithic glass Trackpad 400 is similar substantially to primary clustering and the method for making of monolithic glass Trackpad 300, difference is, can be after bonded circuitry plate 470, extra solid 451 is filled in gap between bonding land M interior circuit board 470 and bearing bed 420.By adding solid 451, can further add the stability of strong bond region M bearing bed 420 when peeling off substrate 410, minimizing connects life and distinguishes the possibility that the circuit board 370 of M comes off or damages.This extra solid 351 that adds can adopt and joint glue 350 identical materials, as materials such as solid state optics glue, liquid optical cements.
Other please refer to Fig. 5, monolithic glass Trackpad 500 is similar substantially to primary clustering and the method for making of monolithic glass Trackpad 400, difference is, the thickness of bearing bed 520 that can local thickening M place, bonding land, more specifically, can when forming 522 layers of plastic layers, make plastic layer 522 have the first thickness H1 at the bonding land M of predetermined bonded circuitry plate, have the second thickness H2 at bonding land M with exterior domain (disengaged district), and the first thickness H1 is greater than the second thickness H2.The first thickness H1 can be between about 0.5 micron to 15 microns, and the second thickness H2 can be between about 0.5 micron to about 10 microns.This step can adopt the method for printing, lithography, spraying to carry out.Then, compliance forms other assembly on the plastic layer 422 of part thickening.Thickness by thickening M place, bonding land bearing bed 520 when peeling off substrate, can slow down the suffered stress effect of bonding land M touch-control structure, and then add the stability of strong bond region M.
In previous embodiment of the present utility model, sensing electrode can also be other aspects except being arranged as the list structure shown in Fig. 3 A.Be the aspect that example illustrates another kind of sensing electrode with the sensing electrode 332 shown in first embodiment, see also Fig. 6 A to Fig. 6 C, sensing electrode 332 comprises a plurality of first electrode block 332a that arrange along first direction, a plurality of connect the first lead 332c of the adjacent first electrode block 332a, and a plurality of second electrode block 332b that arrange along second direction, each second electrode block 332b is distributed in the first lead 332c both sides.Preferably, first direction is vertical mutually with second direction.In the present embodiment, when forming sensing electrode 332, form auxiliary electrode 336 simultaneously.In another embodiment, also can form auxiliary traverse 334 simultaneously.Sensing electrode 332 is identical with other characteristic and the previous embodiment of auxiliary electrode 336, repeats no more herein.
Shown in Fig. 6 B, behind the sensing electrode 332 and auxiliary electrode 336 that form Fig. 6 A, form collets P at each first lead 332c further.The insulating material such as adopted epoxy resin of collets P.
Shown in Fig. 6 C, after forming the collets P shown in Fig. 6 B, form second lead 333 that connects the adjacent second electrode block 332b at each collets P further, and form signal conductor 340.Second lead 333 and signal conductor 340 can form simultaneously, also can successively form.Second lead 333 can adopt and signal conductor 340 identical materials, as copper, aluminium, silver, gold, molybdenum aluminium molybdenum alloy, tin indium oxide (ITO) or aforementioned combination.Second lead 333 also can adopt the material inequality with signal conductor 340.
Adopt the method for making of the utility model monolithic glass Trackpad, can alleviate peel off in the known techniques for the carrying substrate the time, the problem that the bearing bed edge may exist the assembly of curling problem and fringe region easily to come off or damage, and then the yield of raising monolithic glass Trackpad.
Though the utility model discloses as above with several preferred embodiments; so it is not in order to limit the utility model; have in the technical field under any and know the knowledgeable usually; in not breaking away from spirit and scope of the present utility model; when changing arbitrarily and retouching, therefore protection domain of the present utility model is as the criterion when looking accompanying the claim person of defining.
Claims (9)
1. a monolithic glass Trackpad is characterized in that, comprising:
One cover plate;
One bearing bed is formed with on this bearing bed:
The conductive layer of one patterning comprises a sensing electrode, an auxiliary electrode and is positioned at this sensing electrode outside;
One signal conductor is electrically connected at this sensing electrode, and this signal conductor converges at least one bonding land, and this bonding land is positioned at least one outer side edges of this sensing electrode;
And a joint glue, be arranged between this cover plate and this bearing bed, in order to engage this cover plate and this bearing bed.
2. monolithic glass Trackpad as claimed in claim 1 is characterized in that, the described sensing electrode outside more comprises an auxiliary traverse, and described signal conductor is formed on the described auxiliary traverse.
3. monolithic glass Trackpad as claimed in claim 1 is characterized in that, described bearing bed comprises a plastic layer and a cushion, and the conductive layer of described patterning is formed on the described cushion.
4. monolithic glass Trackpad as claimed in claim 3, it is characterized in that the material of this plastic layer is polyimide (PI), polypropylene (PP), polystyrene (PS), acrylonitrile-butadiene styrene resin (ABS), polyethylene terephthalate (PET), Polyvinylchloride (PVC), polycarbonate (PC), tygon (PE), polymethylmethacrylate (PMMA) or polytetrafluoroethylene (PTFE).
5. monolithic glass Trackpad as claimed in claim 3 is characterized in that, the material of described cushion is monox.
6. monolithic glass Trackpad as claimed in claim 3 is characterized in that, this cushion adopts the functional group's of the functional group that comprises close organic material and close inorganic material adhesion promoter.
7. monolithic glass Trackpad as claimed in claim 1 is characterized in that, the edge of this cover plate is formed with a light shield layer.
8. monolithic glass Trackpad as claimed in claim 1 is characterized in that, more is formed with a circuit board on the bearing bed, is electrically connected at the signal conductor of this bonding land.
9. monolithic glass Trackpad as claimed in claim 8 is characterized in that, the gap between this circuit board and this bearing bed is formed with a solid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220624175 CN203178950U (en) | 2012-11-22 | 2012-11-22 | Single-glass touchpad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220624175 CN203178950U (en) | 2012-11-22 | 2012-11-22 | Single-glass touchpad |
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| Publication Number | Publication Date |
|---|---|
| CN203178950U true CN203178950U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220624175 Expired - Lifetime CN203178950U (en) | 2012-11-22 | 2012-11-22 | Single-glass touchpad |
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| CN (1) | CN203178950U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014079285A1 (en) * | 2012-11-22 | 2014-05-30 | 宸鸿科技(厦门)有限公司 | Single glass touch pad and manufacturing method thereof |
| CN103838408A (en) * | 2012-11-22 | 2014-06-04 | 宸鸿科技(厦门)有限公司 | Single-glass touchpad and manufacturing method thereof |
| WO2015043298A1 (en) * | 2013-09-29 | 2015-04-02 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN104516576A (en) * | 2013-09-29 | 2015-04-15 | 宸鸿科技(厦门)有限公司 | Touch panel manufacturing method |
| CN105589584A (en) * | 2014-10-21 | 2016-05-18 | 宸鸿科技(厦门)有限公司 | Touch device and production method thereof |
| CN106502438A (en) * | 2015-09-06 | 2017-03-15 | 宸鸿科技(厦门)有限公司 | Contact panel and preparation method thereof |
-
2012
- 2012-11-22 CN CN 201220624175 patent/CN203178950U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103838408B (en) * | 2012-11-22 | 2017-07-11 | 宸鸿科技(厦门)有限公司 | Monolithic glass Trackpad and preparation method thereof |
| CN103838408A (en) * | 2012-11-22 | 2014-06-04 | 宸鸿科技(厦门)有限公司 | Single-glass touchpad and manufacturing method thereof |
| WO2014079285A1 (en) * | 2012-11-22 | 2014-05-30 | 宸鸿科技(厦门)有限公司 | Single glass touch pad and manufacturing method thereof |
| WO2015043298A1 (en) * | 2013-09-29 | 2015-04-02 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN104516576A (en) * | 2013-09-29 | 2015-04-15 | 宸鸿科技(厦门)有限公司 | Touch panel manufacturing method |
| CN104516577A (en) * | 2013-09-29 | 2015-04-15 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN104516576B (en) * | 2013-09-29 | 2016-04-13 | 宸鸿科技(厦门)有限公司 | The method for making of contact panel |
| CN104516577B (en) * | 2013-09-29 | 2016-06-01 | 宸鸿科技(厦门)有限公司 | Contact panel |
| CN105975126A (en) * | 2013-09-29 | 2016-09-28 | 宸鸿科技(厦门)有限公司 | Touch panel and fabrication method therefor |
| US10459590B2 (en) | 2013-09-29 | 2019-10-29 | Tpk Touch Solutions (Xiamen) Inc. | Touch panel and manufacturing method thereof |
| CN105589584A (en) * | 2014-10-21 | 2016-05-18 | 宸鸿科技(厦门)有限公司 | Touch device and production method thereof |
| CN106502438A (en) * | 2015-09-06 | 2017-03-15 | 宸鸿科技(厦门)有限公司 | Contact panel and preparation method thereof |
| CN106502438B (en) * | 2015-09-06 | 2024-03-29 | 宸鸿科技(厦门)有限公司 | Touch panel and manufacturing method thereof |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20130904 |
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| CX01 | Expiry of patent term |