CN103838408A - Single-glass touchpad and manufacturing method thereof - Google Patents
Single-glass touchpad and manufacturing method thereof Download PDFInfo
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- CN103838408A CN103838408A CN201210479202.XA CN201210479202A CN103838408A CN 103838408 A CN103838408 A CN 103838408A CN 201210479202 A CN201210479202 A CN 201210479202A CN 103838408 A CN103838408 A CN 103838408A
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- monolithic glass
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
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Abstract
The invention provides a manufacturing method of a single-glass touchpad. The manufacturing method of the single-glass touchpad comprises the steps that firstly, a substrate is provided; secondly, a bearing layer is formed on the substrate; thirdly, a patterned conductive layer is formed on the bearing layer, and the patterned conductive layer comprises a sensing electrode and an auxiliary electrode located at the outer side of the sensing electrode; fourthly, a signal conductor is formed and electrically connected with the sensing electrode, the signal conductor is gathered in least one bonding region, the bonding region or bonding regions are located in at least one outer side edge of the sensing electrode; fifthly, a covering plate is attached to the patterned conductive layer, and the substrate is removed from the bearing layer. By means of the manufacturing method of the single-glass touchpad, the problems that an edge area of the bearing layer curls easily and components at the edge area fall off or are damaged easily when the substrate is removed are relieved.
Description
Technical field
Present invention is directed to touch technology, and relate to especially a kind of monolithic glass Trackpad and preparation method thereof.
Background technology
Prevailing along with the running gear of the tool such as Smartphone, panel computer touch controllable function in recent years, reduce the production cost of Trackpad and to produce the subjects under discussion such as more frivolous Trackpad gradually important, and monolithic glass Trackpad is and can meets one of structure of this demand.
Refer to the 1st figure, illustrate a known techniques of making monolithic glass Trackpad, it first forms a release layer (release layer) 12 on bearing substrate 10, the larger prop carrier 14 of square thereon one-tenth one area, and on this prop carrier, complete after the processing procedure of touch-control structure 16, again along release layer 12 edge C and C ' cutting, utilize release layer 12 not good to the adhesion of bearing substrate 10, by 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 monolithic glass Trackpad.But in the process of separation bearing substrate 10, because the thinner thickness of release layer 12 and prop carrier 14 itself and touch-control structure 16 are mainly distributed in the central area of prop carrier 14, when separation, prop carrier 14 fringe regions are easily curling, and the problem that the touch-control structure of fringe region easily comes off or damages, and then can affect the yield of monolithic glass Trackpad.In view of this, the invention provides a kind of method for making, effectively head it off.
Summary of the invention
One embodiment of the invention provides a kind of method for making of monolithic glass Trackpad, comprising: S1: a substrate is provided; S2: form a bearing bed on this substrate; S3: form the conductive layer of a patterning on described bearing bed, the conductive layer of this patterning comprises a sensing electrode, an auxiliary electrode is positioned at this sensing electrode outside; S4: form a signal conductor and be electrically connected at this sensing electrode, and this signal conductor converges at least one bonding land, should be positioned at least one outer side edges of this sensing electrode in (a bit) bonding land; S5: attach a cover plate on the conductive layer of this patterning, and this substrate is removed from this bearing bed.
Another embodiment of the present invention 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 be 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 should be positioned at least one outer side edges of this sensing electrode in (a bit) bonding land; 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 monolithic glass Trackpad method for making of the present invention, by increasing auxiliary electrode at bearing bed fringe region, make in the time removing substrate, the suffered effect of stress of bearing bed is comparatively balanced, and then it is easily curling to alleviate bearing bed fringe region, and the easy problem that comes off or damage of the assembly of fringe region.
Brief description of the drawings
The 1st figure is a sectional view, in order to the method for making of known monolithic glass Trackpad to be described.
The a series of sectional views of the 2A～2D figure for doing according to one embodiment of the invention, in order to illustrate the flow process of monolithic glass Trackpad method for making of the present invention.
The patterned conductive layer of the 3A～3B figure for doing according to one embodiment of the invention.
The fragmentary cross-sectional view of the 4A～4B figure for doing according to another embodiment of the present invention, in order to illustrate Trackpad of the present invention.
The sectional view of the 5th figure for doing according to another embodiment of the present invention.
The part schematic diagram that another embodiment that the 6A～6C figure is the sensing electrode according to monolithic glass Trackpad of the present invention does.
Embodiment
The invention provides several embodiment in order to technical characterictic of the present invention to be described, the graphic use that only conduct illustrates of the content of embodiment and drafting, not in order to limit protection domain of the present invention.In graphic, may omit inessential element, different characteristic may proportionally not drawn, only for the use of explanation.Disclosed content may be used the component symbol repeating in different embodiment, does not represent that different embodiment or graphic 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 two elements.Various elements may show so that illustrate clear succinct with any different proportion.
Please refer to the 2A～2D figure, is a series of sectional views of doing according to one embodiment of the invention, in order to the flow process of monolithic glass Trackpad method for making of the present invention to be described.Please refer to 2A figure, first, provide substrate 310, and form plastic layer 322 on substrate 310.Substrate 310 is the mechanicalness support as the structure forming in subsequent step, and it can be a transparent or opaque substrate, a for example glass substrate, but its material is not limited to this.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 single or multiple lift structure, also can not have for had the material of release ability and upper strata by lower floor the stacking structure that the material of release ability forms.Plastic layer 322 can use coating or other proper methods to form, and its thickness can be between approximately 0.5 micron to approximately 15 microns.The plastic layer 322 of this thickness range has good optical characteristics (for example high penetration), and can reduce cost of manufacture.
Subsequently, form cushion 324 on plastic layer 322, cushion 324 is positioned at the bearing bed 320 on substrate 310 with the common formation of plastic layer 322.In another embodiment, bearing bed 320 can only comprise plastic layer 322, does not 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 to 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., there is the functional group's of this two specific character adhesion promoter, there is preferably tack for inorganics or organism, and then can guarantee that cushion 324 can adapt to different plastic layer materials.
The thickness of cushion 324 can be between approximately 10 dusts to approximately 3000 dusts.Cushion 324 has higher hardness with respect to plastic layer 322, the cushion of higher hardness 324 bearing bed 320 that the good plastic layer 322 of ductility forms of arranging in pairs or groups can be had to good release ability and superior load-bearing capacity simultaneously, to improve the follow-up fiduciary level that is formed at other assembly on 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, on bearing bed 320, form conductive layer 330, and conductive layer 330 is carried out to patterned process to form sensing electrode 332, auxiliary traverse 334 and auxiliary electrode 336.Please refer to Fig. 3 A, 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 meter Yin, 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 micro-shadow and an etching step.In other embodiments, also can directly form by the mode such as wire mark, spraying the conductive layer 330 of patterning.By this treatment step, can on bearing bed 320, form respectively sensing electrode 332, auxiliary traverse 334 and 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 region 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 arranged at the blank dead space that element and circuit are not set in sensing electrode 332 outsides continuously or discontinuously, and auxiliary electrode 336 and sensing electrode 332 mutually insulateds.Auxiliary traverse 334 and auxiliary electrode 336 tie up in same step and form with sensing electrode 332, 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, therefore can make on the one hand follow-up in the time removing substrate 310, the suffered effect of stress of bearing bed 320 is comparatively balanced, and then it is easily curling to alleviate bearing bed 320 fringe regions, and the easy problem that comes off or damage of the assembly of fringe region.In subsequent manufacturing processes, can alleviate aqueous vapor and the impact of chemical agent on sensing electrode 332 from sensing electrode 332 peripheries on the other hand, and then improve the fiduciary level of the final monolithic glass Trackpad forming.
Referring to 2C figure and Fig. 3 B, after sensing electrode 332, auxiliary traverse 334 and auxiliary electrode 336 form, form signal conductor 340.Signal conductor 340 is electrically connected at sensing electrode 332, and is positioned on 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, therefore can improve signal transmission capabilities.The material of signal conductor 340 can comprise copper, aluminium, silver, gold, molybdenum aluminium molybdenum alloys, tin indium oxide (ITO) or aforementioned combination.Signal conductor 340 is that the signal in order to sensing electrode 332 is produced is sent to external circuit.
Then carry out an engagement step, so that circuit board 370 is electrically connected to sensing electrode 332.Circuit board 370 one end can be engaged to by conducting resinl 360 signal conductor 340 of bonding land M, be electrically connected to sensing electrode 332 by signal conductor 340 again, the other end can connect a control wafer (not illustrating), and be electrically connected to an external circuit (not illustrating), for example a printed circuit board (PCB) by this control wafer.In this embodiment, circuit board 370 can be a flexible circuit board (Flexible Printed Circuits, FPC), and conducting resinl 360 can use anisotropic conductive (Anisotropic Conductive Film, ACF).By circuit board 370, the signal that sensing electrode 332 can be changed is sent to external circuit, can obtain the coordinate of position of touch after IC computing and system interpretation.Sensing electrode 332, auxiliary traverse 334, auxiliary electrode 336, signal conductor 340, the circuit board 370 forming on bearing bed 320 formed 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 region in bonding land is compared with out-of-flatness, produce bubble at bonding land M when asking binding yield and avoid attaching joint glue 350, therefore can avoid bonding land M, be positioned at bonding land M and be not engaged glue 350 and cover.Joint glue 350 can be selected the good material of light transmission, 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 after hot pressing completes, joint glue 350 can be bonded to above sensing electrode 332, therefore also can further promote the bulk strength of touch-control structure.In one embodiment, can after the step of laminating joint glue 350, carry out all and cut step, the plural touch-control structure being formed on 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 first attach joint glue 350, the circuit board 370 of rejoining.
Last in the step of 2D figure, attach cover plate 380 in touch-control structure top, and the substrate in 2C figure 310 is removed to (release) from bearing bed 320.Cover plate 380 is to protect touch-control structure, and it can adopt the transparent materials such as glass.In the present embodiment, before attaching 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 composition surface.Light shield layer 390 is in order to mask signal wire 340, guarantees that monolithic glass Trackpad do not seen by user at use procedure signal conductor 340, affects visual appearance.The material of light shield layer 390 can be colored ink or coloured photoresistance.Substrate 310 be can be to solution immersion, thermal treatment, cold treatment, external force from the release method of bearing bed 320 to be peeled off or aforementioned combination.More specifically, while adopting solution to soak, solution used 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 cooling, utilizes the different generation stress of coefficient of thermal expansion of bearing bed 320 and substrate 310 and then facilitates 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 arrange in pairs or groups cushion 324 form composite film, can obtain having the monolithic glass Trackpad of good release ability, physical strength and optical property.Simultaneously, by forming auxiliary electrode 336 in sensing electrode 332 outsides, make in the time removing substrate 310, the suffered effect of stress of bearing bed 320 is comparatively balanced, improve the stability of bearing bed 320, and then improve the follow-up fiduciary level that is formed at other assemblies on bearing bed 320, and it is easily curling 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 forming via above-mentioned technique, comprises cover plate 380 simultaneously; Bearing bed 320, is formed with on 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 least one outer side edges of sensing electrode 332; 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, on bearing bed 320, be also formed with auxiliary traverse 334, and signal conductor 340 is positioned on 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 wire 340, guarantees that monolithic glass Trackpad 300 do not seen by user at use procedure signal conductor 340, affects visual appearance.Other characteristic of monolithic glass Trackpad 300 each parts forms in technique and describes in detail, repeats no more herein.
Separately please further refer to Fig. 4 A and Fig. 4 B, monolithic glass Trackpad 400 is substantially similar to primary clustering and the method for making of monolithic glass Trackpad 300, difference is, can be after bonded circuitry plate 470, gap between bonding land M interior circuit board 470 and bearing bed 420, fills extra solid 451.By adding solid 451, can further add the stability of strong bond region M bearing bed 420 in the time peeling off substrate 410, the possibility that the circuit board 370 of minimizing Jie Ming district M comes off or damages.The solid 351 that this additionally adds can adopt the material identical with joint glue 350, as materials such as solid state optics glue, liquid optical cements.
Separately please refer to Fig. 5, monolithic glass Trackpad 500 is substantially similar 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, in the time forming 522 layers of plastic layers, make plastic layer 522 there is the first thickness H1 at the bonding land of predetermined bonded circuitry plate M, there is 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 between approximately 0.5 micron to 15 microns between, the second thickness H2 can be between approximately 0.5 micron to approximately 10 microns.This step can adopt the method for printing, lithography, spraying to carry out.Then, on the plastic layer 422 of part thickening, compliance forms other assembly.By the thickness of thickening M place, bonding land bearing bed 520, while peeling off substrate, can slow down the suffered effect of stress of bonding land M touch-control structure, and then add the stability of strong bond region M.
In previous embodiment of the present invention, sensing electrode, except being arranged as the list structure shown in Fig. 3 A, can also be other aspects.The aspect of another kind of sensing electrode is described as an example of the sensing electrode 332 shown in the first embodiment example, refer to Fig. 6 A to Fig. 6 C, sensing electrode 332 comprises a plurality of the first electrode block 332a that arrange along first direction, a plurality of connect the first wire 332c of adjacent the first electrode block 332a, and a plurality of the second electrode block 332b that arrange along second direction, each the second electrode block 332b is distributed in the first wire 332c both sides.Preferably, first direction is mutually vertical with second direction.In the present embodiment, in the time 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.
As shown in Figure 6B, forming after the sensing electrode 332 and auxiliary electrode 336 of Fig. 6 A, on each the first wire 332c, form collets P further.The insulating material such as the adopted epoxy resin of collets P.
As shown in Figure 6 C, after forming the collets P shown in Fig. 6 B, on each collets P, form further the second wire 333 that connects adjacent the second electrode block 332b, and form signal conductor 340.The second wire 333 and signal conductor 340 can form simultaneously, also can successively form.The second wire 333 can adopt the material identical with signal conductor 340, as copper, aluminium, silver, gold, molybdenum aluminium molybdenum alloys, tin indium oxide (ITO) or aforementioned combination.The second wire 333 also can adopt the material not identical with signal conductor 340.
Adopt the method for making of monolithic glass Trackpad of the present invention, can alleviate while peeling off the substrate for carrying in known techniques, may there is curling problem in bearing bed edge, and the easy problem that comes off or damage of the assembly of fringe region, and then improve the yield of monolithic glass Trackpad.
Although the present invention discloses as above with several preferred embodiments; so it is not in order to limit the present invention; under any, in technical field, have and conventionally know the knowledgeable; without departing from the spirit and scope of the present invention; when changing arbitrarily and retouching, therefore protection scope of the present invention is when being as the criterion depending on the accompanying claim person of defining.
Claims (18)
1. a method for making for monolithic glass Trackpad, is characterized in that, comprising:
S1 a: substrate is provided;
S2: form a bearing bed on this substrate;
S3: form the conductive layer of a patterning on described bearing bed, the conductive layer of this patterning comprises a sensing electrode, an auxiliary electrode is positioned at this sensing electrode outside;
S4: form a signal conductor and be electrically connected at this sensing electrode, and this signal conductor converges at least one bonding land, should be positioned at least one outer side edges of this sensing electrode in (a bit) bonding land;
S5: attach a cover plate on the conductive layer of this patterning, and this substrate is removed from this bearing bed.
2. the method for making of monolithic glass Trackpad as claimed in claim 1, is characterized in that, form an auxiliary traverse in this sensing electrode outside, and described signal conductor is formed on described auxiliary traverse in step S34 simultaneously.
3. the method for making of monolithic glass Trackpad as claimed in claim 1, is characterized in that, forms this bearing bed and comprises the step of formation one plastic layer on this substrate, and form the step of a cushion on this plastic layer at step S2.
4. the method for making of monolithic glass Trackpad as claimed in claim 1, is characterized in that, step S3 can adopt the mode of wire mark, spraying to form the conductive layer of this patterning.
5. the method for making of monolithic glass Trackpad as claimed in claim 1, is characterized in that, more comprises that joint one circuit board is extremely somebody's turn to do the step of the signal conductor of (a bit) bonding land.
6. the method for making of monolithic glass Trackpad as claimed in claim 5, is characterized in that, more comprises the step of adding solid gap between this circuit board and this bearing bed in this (a bit) bonding land.
7. the method for making of monolithic glass Trackpad as claimed in claim 1, is characterized in that, more comprises and forms a light shield layer in the step at the edge of described cover plate.
8. the method for making of monolithic glass Trackpad as claimed in claim 1, is characterized in that, removes this substrate and can adopt solution immersion, thermal treatment, cold treatment, external force to peel off or aforementioned combination.
9. the method for making of Trackpad as claimed in claim 1, it is characterized in that, this sensing electrode comprises: a plurality of the first electrode blocks of arranging along a first direction, a plurality of connect the first wire of adjacent the first electrode block, a plurality of the second electrode blocks of arranging along a second direction, described each the second electrode block is distributed in those the first wire both sides, on each the first wire, is formed with collets, and on each collets, is formed with the second wire that connects adjacent the second electrode block; Wherein said the first electrode block, the first wire, the second electrode block and auxiliary electrode form in same step, and described the second wire and signal conductor form in same step.
10. 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 should be positioned at least one outer side edges of this sensing electrode in (a bit) bonding land;
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.
11. monolithic glass Trackpads as claimed in claim 10, is characterized in that, described sensing electrode outside more comprises an auxiliary traverse, and described signal conductor is formed on described auxiliary traverse.
12. monolithic glass Trackpads as claimed in claim 10, is characterized in that, described bearing bed comprises a plastic layer and a cushion, and the conductive layer of described patterning is formed on described cushion.
13. monolithic glass Trackpads as claimed in claim 10, 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), polytetrafluoroethylene (PTFE) or aforementioned combination.
14. monolithic glass Trackpads as claimed in claim 12, is characterized in that, the material of described cushion is monox.
15. monolithic glass Trackpads as claimed in claim 12, 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.
16. monolithic glass Trackpads as claimed in claim 10, is characterized in that, the edge of this cover plate is formed with a light shield layer.
17. monolithic glass Trackpads as claimed in claim 10, is characterized in that, are more formed with a circuit board on bearing bed, are electrically connected at the signal conductor of this (a bit) bonding land.
18. monolithic glass Trackpads as claimed in claim 10, is characterized in that, the gap in this (a bit) bonding land between this circuit board and this bearing bed is formed with a solid.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210479202.XA CN103838408B (en) | 2012-11-22 | 2012-11-22 | Monolithic glass Trackpad and preparation method thereof |
| TW102105681A TWI494807B (en) | 2012-11-22 | 2013-02-19 | One-glass-solution touch panel and method of manufacturing the same |
| TW102203147U TWM457920U (en) | 2012-11-22 | 2013-02-19 | One-glass-solution touch panel |
| PCT/CN2013/084962 WO2014079284A1 (en) | 2012-11-22 | 2013-10-10 | Single glass touch pad and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210479202.XA CN103838408B (en) | 2012-11-22 | 2012-11-22 | Monolithic glass Trackpad and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103838408A true CN103838408A (en) | 2014-06-04 |
| CN103838408B CN103838408B (en) | 2017-07-11 |
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| CN201210479202.XA Active CN103838408B (en) | 2012-11-22 | 2012-11-22 | Monolithic glass Trackpad and preparation method thereof |
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| CN (1) | CN103838408B (en) |
| TW (2) | TWI494807B (en) |
| WO (1) | WO2014079284A1 (en) |
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| CN109309172A (en) * | 2018-10-11 | 2019-02-05 | 信利半导体有限公司 | Flexible OLED devices and its manufacturing method, display device |
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| 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 |
| CN104635968A (en) * | 2013-11-09 | 2015-05-20 | 宝宸（厦门）光学科技有限公司 | Touch panel and touch module |
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- 2013-10-10 WO PCT/CN2013/084962 patent/WO2014079284A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2014079284A1 (en) | 2014-05-30 |
| TWI494807B (en) | 2015-08-01 |
| CN103838408B (en) | 2017-07-11 |
| TW201421319A (en) | 2014-06-01 |
| TWM457920U (en) | 2013-07-21 |
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