CN103838407B - Monolithic glass Trackpad and preparation method thereof - Google Patents

Monolithic glass Trackpad and preparation method thereof Download PDF

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Publication number
CN103838407B
CN103838407B CN201210479192.XA CN201210479192A CN103838407B CN 103838407 B CN103838407 B CN 103838407B CN 201210479192 A CN201210479192 A CN 201210479192A CN 103838407 B CN103838407 B CN 103838407B
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China
Prior art keywords
bearing bed
monolithic glass
bonding land
trackpad
glass trackpad
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CN201210479192.XA
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CN103838407A (en
Inventor
林清山
陈猷仁
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TPK Touch Solutions Xiamen Inc
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TPK Touch Solutions Xiamen Inc
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Priority to CN201210479192.XA priority Critical patent/CN103838407B/en
Priority to TW102105682A priority patent/TWI591520B/en
Priority to TW102203148U priority patent/TWM455213U/en
Priority to PCT/CN2013/084964 priority patent/WO2014079285A1/en
Publication of CN103838407A publication Critical patent/CN103838407A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446Digitisers, 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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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)

Abstract

The present invention provides a kind of monolithic glass Trackpad, including:One cover plate;One bearing bed, on the bearing bed formed with:The conductive layer of one patterning, includes a sensing electrode;One signal conductor, it is electrically connected at the sensing electrode, and the signal conductor converges to an at least bonding land, and it is somebody's turn to do (a little) bonding land and is located at a sensing electrode at least outer side edges, the bearing bed thickness for being wherein somebody's turn to do (a little) bonding land is more than the bearing bed thickness in disengaged area;And one engagement glue, be arranged between the cover plate and the bearing bed, to engage the cover plate and the bearing bed.The present invention separately provides a kind of method for forming monolithic glass Trackpad.Using the monolithic glass Trackpad of the present invention, during processing procedure being mitigated, the problem of touch-control structure of bonding land bearing bed fringe region easily falls off or damaged, and then the yield of monolithic glass Trackpad can be improved.

Description

Monolithic glass Trackpad and preparation method thereof
Technical field
Present invention is directed to touch technology, and in particular to a kind of monolithic glass Trackpad and preparation method thereof.
Background technology
Recently as prevailing, the reduction Trackpad of the running gear of the tool touch controllable function such as Smartphone, tablet personal computer Production cost and to produce the subjects under discussion such as more frivolous Trackpad gradually important, and monolithic glass Trackpad is that may conform to this One of structure of demand.
The 1st figure is referred to, depicts the known techniques for making monolithic glass Trackpad, its elder generation shape on bearing substrate 10 Into a release layer(release layer)12, the support carrier 14 larger into an area square thereon, and in this support carrier After the upper processing procedure for completing touch-control structure 16, then along the edge C of release layer 12 and C ' cuttings, using release layer 12 to bearing substrate 10 Adhesive force is bad, bearing substrate 10 is separated with film layers such as release layer 12, support carrier 14, touch-control structures 16, and pass through attaching One glass cover-plate(It is not shown)To obtain monolithic glass Trackpad.But during bearing substrate 10 is separated, due to release layer 12 are distributed mainly on the central area of support carrier 14, separation with the thinner thickness and touch-control structure 16 for supporting carrier 14 itself When, touch-control structure the problem of easily falling off or damage of the support fringe region of carrier 14, and then the yield of Trackpad can be influenceed. According to thicker release layer 12 and support carrier 14, then the translucency of overall Trackpad can be influenceed, and then can influence to use and be somebody's turn to do The display effect of the touch control display apparatus of Trackpad.In view of this, the invention provides a kind of preparation method, can effectively solve this Problem.
The content of the invention
The present invention provides a kind of monolithic glass Trackpad, including:One cover plate;One bearing bed, on the bearing bed formed with:One The conductive layer of patterning, include a sensing electrode;One signal conductor, the sensing electrode is electrically connected at, and the signal conductor converges Gather to an at least bonding land, and be somebody's turn to do (a little) bonding land and be located at a sensing electrode at least outer side edges, be wherein somebody's turn to do (a little) bonding land Bearing bed thickness is more than the bearing bed thickness in disengaged area;And one engagement glue, be arranged between the cover plate and the bearing bed, use To engage the cover plate and the bearing bed.
The present invention separately provides a kind of preparation method of monolithic glass Trackpad, including:S1:One substrate is provided;S2:Form one Bearing bed is on the substrate, wherein the thickness for being preset as the bearing bed of bonding land is more than the bearing bed thickness in disengaged area;S3:Shape The conductive layer patterned into one is on the bearing bed;S4:Form a signal conductor and be electrically connected at the sensing electrode, and the signal Wire converges to an at least bonding land, is somebody's turn to do (a little) bonding land and is located at a sensing electrode at least outer side edges;S5:Attach a cover plate in On the conductive layer of the patterning, and the substrate is removed from the bearing bed.
Using monolithic glass touch-control board manufacturing method of the present invention so that when removing substrate, bonding land bearing bed is suffered should The effect of power can be buffered, therefore the possibility that the circuit board that can reduce bonding land comes off or damaged.Separately connect due to only thickening The thickness of area carrier layer is closed, disengaged area carrier layer does not thicken, and bonding land and the touch area of nonbody, therefore subsequently will When Trackpad is applied to touch control display apparatus, the translucency of main body Trackpad can't be influenceed.
Brief description of the drawings
Fig. 1 is a profile, to illustrate known monolithic glass touch-control board manufacturing method.
A series of profiles that Fig. 2A~2D is made for foundation one embodiment of the invention, to illustrate the monolithic glass of the present invention The flow of glass touch-control board manufacturing method.
The patterned conductive layer that Fig. 3 A~3B are made for foundation one embodiment of the invention.
The profile that Fig. 4 A~4B are made for foundation another embodiment of the present invention, to illustrate that the monolithic glass of the present invention touches Control plate.
Fig. 5 A~5C show for the part that another embodiment of the sensing electrode according to monolithic glass Trackpad of the present invention is made It is intended to.
Embodiment
The present invention provides several embodiments to illustrate the technical characteristic of the present invention, the content of embodiment and the schema of drafting Only illustratively purposes of discussion, and be not used to limit the scope of the present invention.Inessential element may be omitted in schema, it is different special Sign may be not drawn to scale, and be merely to illustrate and be used.Disclosed content may use in different embodiments The component symbol repeated, not representing has association between different embodiments or schema.In addition, an element be formed at another element " Top ", " on ", " lower section " or " under " embodiment that directly contacts of two elements can be included, or can also include between two elements It is folded with the embodiment of other additional elements.Various elements may be shown with any different proportion so that illustrative clarity is succinct.
2A~2D figures are refer to, a series of profiles made for foundation one embodiment of the invention, to illustrate this hair The flow of bright monolithic glass touch-control board manufacturing method.2A figures are refer to, first, there is provided substrate 410, and form plastic layer 422 on substrate 410.The system of substrate 410 as the structure formed in subsequent step mechanicalness support, its can be one it is transparent or Opaque substrate, such as a glass substrate, but its material not limited to this.Plastic layer 422 has release ability, and it may include polyamides Imines(PI), polypropylene(PP), polystyrene(PS), acrylonitrile butadiene styrene resin(ABS), poly terephthalic acid second Diester(PET), polyvinyl chloride(PVC), makrolon(PC), polyethylene(PE), polymethyl methacrylate(PMMA), polytetrafluoro Ethene(PTFE)Or foregoing combination.Plastic layer 422 can be single or multiple lift structure, also can be to have release ability by lower floor The stacking structure that is formed of the material of material and upper strata without release ability.In this step, plastic layer 422 is made predetermined The bonding land M of engagement circuit board has first thickness H1, and in bonding land, M is with exterior domain(Disengaged area)With second thickness H2, And first thickness H1 is more than second thickness H2.First thickness H1 can be between about 0.5 micron to 15 microns, and second thickness H2 can Between about 0.5 micron to about 10 microns.This step can use the method for printing, lithography, spraying to carry out.
Then, cushion 424 is formed on plastic layer 422, and cushion 424 is collectively formed positioned at substrate with plastic layer 422 Bearing bed 420 on 410.In another embodiment, bearing bed 420 can only include plastic layer 422, i.e., do not form cushion 424. Cushion 424 can be formed by any transparent material.In one embodiment, cushion 424 uses silica, and chemical gas can be used Phase depositing(Chemical Vapor Deposition, CVD)Or other proper methods are formed.In another embodiment, cushion 424 can use the adhesion promoter (Adhesion Promoter) of the functional group comprising two kinds of different qualities, more specifically, should Adhesion promoter includes the functional group of organic-philic material and the functional group of the inorganic material of parent, wherein the functional group of organic-philic material can be amine Base, hydroxyl, epoxy radicals etc., the functional group of the inorganic material of parent can be sulfhydryl, amido, hydroxyl, phosphoric acid foundation etc., have both special The adhesion promoter of the functional group of property, has preferable tack, and then can ensure that cushion 424 for inorganic matter or organic matter It is suitable for different plastic layer materials.
The thickness of cushion 424 can be between about 10 angstroms to about 3000 angstroms.Cushion 424 relative to plastic layer 422 have compared with High hardness, the cushion 424 of higher hardness is arranged in pairs or groups into bearing bed 420 that the good plastic layer 422 of ductility formed can be simultaneously With good release ability and superior bearing capacity, with improve be subsequently formed in other components on bearing bed 420 can By degree.In addition, by making plastic layer 422 and cushion 424 turn into composite film, it can obtain having concurrently good mechanical strength and release The bearing bed 420 of ability.Due to only thickening the bonding land M thickness of bearing bed 420, the thickness of bearing bed 420 in disengaged area is not , can't when thickening, and the touch area of bonding land M and nonbody, therefore Trackpad subsequently being applied into touch control display apparatus Influence the translucency of main body Trackpad.
Then, the step of carrying out 2B figures, forms conductive layer 430, and carry out figure to conductive layer 430 on bearing bed 420 Caseization is handled to form sensing electrode 432.Conductive layer 430 is the conductive material that can be had an X-rayed, it may include tin indium oxide, aluminum oxide Zinc, zinc oxide, tin-antiomony oxide, tin ash, indium oxide, nm silver, carbon nanotube or foregoing combination, physics can be used in it Or chemical gaseous phase depositing, printing, evaporation, spraying or other proper methods are formed.Above-mentioned patterning step can be by any appropriate Method is carried out, such as a lithographic and etching step.In other embodiments, also figure can directly be formed with modes such as wire mark, sprayings The conductive layer 430 of case.Please refer to Fig. 3 A, Fig. 3 A depict a kind of patterned conductive layer 430 available for Fig. 2 B.By This patterned process step, sensing electrode 432 can be formed on bearing bed 420.In the present embodiment, sensing electrode 432 includes A plurality of strip shaped electric poles, but can also use other touch-control structures.
Referring to 2C figures and Fig. 3 B, after the formation of sensing electrode 432, signal conductor is formed.The electricity of signal conductor 440 Property be connected to sensing electrode 432, and converge to an at least bonding land M, bonding land M is located at least one outside of sensing electrode 432 Side.It should be noted that bonding land M position and quantity can adjust according to specific electrode structure, the position of diagram is not limited to And quantity.The system of signal conductor 440 by signal caused by sensing electrode 432 being sent to external circuit.Signal conductor 440 Material may include copper, aluminium, silver, gold, molybdenum aluminium molybdenum alloys, tin indium oxide(ITO)Or foregoing combination.
Then an engagement step is carried out, circuit board 470 is electrically connected to sensing electrode 432.The one end of circuit board 470 can Bonding land M signal conductor 440 is bonded to by conducting resinl 460, then sensing electrode 432 is electrically connected to by signal conductor 440, The other end can then connect a control chip(Do not illustrate), and it is connected to an external circuit by this control wafer electrical(Do not paint Show), such as a printed circuit board (PCB).In this embodiment, circuit board 470 can be a flexible circuit board(Flexible Printed Circuits, FPC), anisotropic conductive adhesive paste can be used in conducting resinl 460(Anisotropic Conductive Film, ACF).By By circuit board 470, the signal of change produced by sensing electrode 432 can be sent to external circuit, sentenced by IC computings and system The coordinate of position of touch is can obtain after reading.The sensing electrode 432 that is formed on bearing bed 420, signal conductor 440, circuit board 470 Constitute the touch-control structure of main body.
Then, engagement glue 450 is attached by the top of sensing electrode 432.Because bonding land M is formed with conducting resinl 460 and circuit Plate 470, M relatively other regions in the bonding land are compared with out-of-flatness, in bonding land during to seek binding yield and avoid attaching engagement glue 450 M domains produce bubble, therefore can avoid bonding land, i.e., are covered positioned at the not engaged glue 450 of bonding land M.Glue 450 is engaged to can be selected thoroughly The preferable material of photosensitiveness, such as solid state optics glue(Solid Optical Clear Adhesive)Or liquid optical cement(Liquid Optical Clear Adhesive).Engagement glue 450 may include lucite, such as acryl(Acrylic).Engagement The hot pressing processing procedure of temperature-pressure can be used to fit in the top of sensing electrode 432 for glue 450, and glue 450 is engaged after the completion of hot pressing to be consolidated Above sensing electrode 432, therefore also can further lift the bulk strength of touch-control structure.In one embodiment, can be bonded All are carried out after the step of engaging glue 450 and cuts step, and the plural touch-control structure that will be formed on same large-size substrate is carried out Separation, the cutting step can be by the way of break bar cuttings or radium-shine cutting.In another embodiment, engagement glue can first be attached 450, rejoin circuit board 470.
Finally in the step of 2D schemes, cover plate 480 is attached above touch-control structure, and by the substrate 410 in 2C figures Removed from bearing bed 420(It is release).For the system of cover plate 480 to protect touch-control structure, it may include the transparent materials such as glass.In this reality Apply in example, before attaching cover plate 480, light shield layer 490 can be formed in the edge of cover plate 480, more specifically, light shield layer 490 is located at The side that cover plate 480 engages with touch-control structure.In another embodiment, light shield layer 490 can be located at relative with composition surface another Side.Light shield layer 490, to mask signal wire 440, it is ensured that monolithic glass Trackpad using process signal wire 440 not by User sees, influences visual appearance.The material of light shield layer 490 can be colored ink or coloured photoresistance.Substrate 410 is carried certainly 420 release method of layer can be solution immersion, heat treatment, cold treatment, external force stripping or foregoing combination.More specifically, using When solution soaks, solution used can be water, alcohol, propylene glycol methyl ether acetate (PGMEA) solution, polyvinylidene fluoride(NMP) Solution etc.;It is that substrate 410 is heated or cooled using heat treatment and cold treatment, utilizes bearing bed 420 and substrate 410 Coefficient of thermal expansion is different to be produced stress and then facilitates release.Also, the order that above-mentioned cover plate attaches, substrate removes can be transferred, and it is unlimited In said sequence.
With reference to Fig. 2 D and Fig. 3 B, the monolithic glass Trackpad 400 formed via above-mentioned technique includes:Cover plate 480;Hold Carrier layer 420, on bearing bed 420 formed with:The conductive layer of patterning, include a sensing electrode 432;Signal conductor 440, electrically connects Be connected to the sensing electrode, and the signal conductor 440 converges to an at least bonding land M, and bonding land M be located at sensing electrode 432 to Few outer side edges, wherein bonding land M bearing bed thickness are more than the bearing bed thickness in disengaged area;Circuit board 470, electrical side connect In bonding land M signal conductor 440;And engagement glue 450, it is arranged between the cover plate 480 and the bearing bed 420, to Engage the cover plate 480 and the bearing bed 420.Wherein, bearing bed 420 includes plastic layer 422 and cushion 424.Plastic layer 422 In bonding land, M has first thickness H1, has second thickness H2 beyond the M of bonding land, first thickness H1 systems between 0.5 micron extremely Between 15 microns, second thickness H2 can be between about 0.5 micron to about 10 microns.The edge of cover plate 480 is formed with light shield layer 490, to mask signal wire 440, it is ensured that monolithic glass Trackpad 400 is using the person of being not used of process signal wire 440 See, influence visual appearance.It has been described in detail in other characteristic formation process of 400 each component of monolithic glass Trackpad, herein no longer Repeat.
By making bonding land M plastic layer 422 that there is thicker thickness H1, reach the thickness for thickening bonding land M bearing beds 420 The purpose of degree so that when removing substrate 410, the effect of stress suffered by the bonding land M of bearing bed 420 can be buffered, therefore can Reduce the possibility that bonding land M circuit board 470 comes off or damaged.On the other hand, due to bearing bed 420 disengaged area not Need to correspond to and thicken, thus the translucency of overall monolithic glass Trackpad can't be influenceed.And bonding land M signal conductor 440 It will subsequently be covered by light shield layer 490, i.e. the touch area of bonding land M and nonbody, therefore Trackpad is subsequently applied to touch-control During display device, the translucency of main body Trackpad can't be influenceed.
Additionally referring to Fig. 4 A and Fig. 4 B, the primary clustering and system of monolithic glass Trackpad 500 and monolithic glass Trackpad 400 It is substantially similar to make method, difference is, the present embodiment is strengthened step and further included in bonding land M interior circuit boards 570 and bearing bed The step of solid 551 are filled in space between 520.By adding solid 551, it can further strengthen bonding land M and peel off Stability during substrate 510 during bearing bed 520, reduce the possibility that Jie Ming area M circuit board 570 comes off or damaged.This is extra The solid 551 of addition can use the materials such as solid state optics glue, liquid optical cement.
In previously described embodiments of the present invention, sensing electrode, can be with except being arranged as in addition to the list structure shown in Fig. 3 A For other aspects.Illustrate the aspect of another sensing electrode by taking the sensing electrode 432 shown in first embodiment as an example, refer to figure 5A to Fig. 5 C, sensing electrode 432 include a plurality of first electrode block 432a arranged in the first direction, plural article of connection adjacent the One electrode block 432a the first wire 432c, and a plurality of second electrode block 432b arranged in a second direction, each second electricity Pole block 432b is distributed in the first wire 432c both sides.It is preferred that first direction is mutually perpendicular to second direction.
As shown in Figure 5 B, after Fig. 5 A sensing array electrode sensing electrode 432 is formed, further in each first wire Collets P is formed on 432c.Collets P's uses the insulating materials such as epoxy resin.
As shown in Figure 5 C, after the collets P shown in Fig. 5 B is formed, connection is further formed on each collets P Adjacent second electrode block 432b the second wire 433, and signal conductor 440.Second wire 433 and signal conductor 440 can be same When formed, also can successively be formed.Second wire 433 can use with the identical material of signal conductor 440, such as copper, aluminium, silver, gold, molybdenum Aluminium molybdenum alloys, tin indium oxide(ITO)Or foregoing combination.Second wire 433 can also use the material differed with signal conductor 440 Material.Sensing electrode 432 is identical with previous embodiment with other characteristics of signal conductor 440, and here is omitted.
Using the preparation method of monolithic glass Trackpad of the present invention, by thickening the thickness of bonding land bearing bed, base is removed During plate, the effect of stress can be buffered suffered by the bearing bed of bonding land, thus can mitigate the group of bonding land bearing bed fringe region The problem of part easily falls off or damaged, separately due to only thickening the thickness of bonding land bearing bed, disengaged area carrier layer is not made Thicken, and bonding land will subsequently be covered by light shield layer, i.e. bonding land and the touch area of nonbody, therefore subsequently by Trackpad application When touch control display apparatus, the translucency of main body Trackpad can't be influenceed.
Although the present invention is disclosed above with several preferred embodiments, so it is not limited to the present invention, any affiliated Have usually intellectual in technical field, without departing from the spirit and scope of the present invention, arbitrarily change and retouch when that can make, Therefore protection scope of the present invention is worked as and is defined depending on appended claims institute defender.

Claims (18)

  1. A kind of 1. monolithic glass Trackpad, it is characterised in that including:
    One cover plate;
    One bearing bed, on the bearing bed formed with:
    The conductive layer of one patterning, includes a sensing electrode;
    One signal conductor, the sensing electrode is electrically connected at, and the signal conductor converges to an at least bonding land, and the bonding land Positioned at a sensing electrode at least outer side edges, the wherein bearing bed thickness of the bonding land is more than the bearing bed thickness in disengaged area;
    And one engagement glue, be arranged between the cover plate and the bearing bed, to engage the cover plate and the bearing bed.
  2. 2. monolithic glass Trackpad as claimed in claim 1, it is characterised in that the bearing bed is slow including a plastic layer and one Layer is rushed, and the conductive layer of the patterning is formed on the cushion.
  3. 3. monolithic glass Trackpad as claimed in claim 2, it is characterised in that the material of the plastic layer is polyimides (PI), polypropylene (PP), polystyrene (PS), acrylonitrile butadiene styrene resin (ABS), PET (PET), polyvinyl chloride (PVC), makrolon (PC), polyethylene (PE), polymethyl methacrylate (PMMA), polytetrafluoroethylene (PTFE) Or foregoing combination (PTFE).
  4. 4. monolithic glass Trackpad as claimed in claim 2, it is characterised in that the material of the cushion is silica.
  5. 5. monolithic glass Trackpad as claimed in claim 2, it is characterised in that the cushion uses and includes organic-philic material Functional group and the adhesion promoter of the functional group of the inorganic material of parent.
  6. 6. monolithic glass Trackpad as claimed in claim 2, it is characterised in that the plastic layer has one first in the bonding land Thickness, there is a second thickness beyond the bonding land, the first thickness system is between 0.5 micron to 15 microns.
  7. 7. monolithic glass Trackpad as claimed in claim 6, it is characterised in that the second thickness is micro- between 0.5 micron to 10 Between rice.
  8. 8. monolithic glass Trackpad as claimed in claim 1, it is characterised in that more formed with a circuit board, electricity on bearing bed Property is connected to the signal conductor of the bonding land.
  9. 9. monolithic glass Trackpad as claimed in claim 8, it is characterised in that the circuit board and the bearing bed in the bonding land Between gap formed with a solid.
  10. 10. monolithic glass Trackpad as claimed in claim 1, it is characterised in that the edge of the cover plate is formed with a shading Layer.
  11. 11. monolithic glass Trackpad as claimed in claim 1, it is characterised in that the sensing electrode includes:It is a plurality of along one First electrode block, the first wire, a plurality of along a second party of plural bar connection adjacent first electrode block of first direction arrangement To the second electrode block of arrangement, and each second electrode block is distributed in those the first wire both sides, on each first wire Formed with a collets, and the second wire formed with connection adjacent second electrode block on each collets.
  12. A kind of 12. preparation method of monolithic glass Trackpad, it is characterised in that including:
    S1:One substrate is provided;
    S2:A bearing bed is formed on the substrate, it is characterised in that the bearing bed thickness for being preset as bonding land is more than disengaged area Bearing bed thickness;
    S3:A conductive layer is formed on the bearing bed, and patterns the conductive layer to form a sensing electrode;
    S4:Form a signal conductor and be electrically connected at the sensing electrode, and the signal conductor converges to an at least bonding land, this connects Close area and be located at a sensing electrode at least outer side edges;
    S5:A cover plate is attached on the conductive layer of the patterning, and the substrate is removed from the bearing bed.
  13. 13. the preparation method of monolithic glass Trackpad as claimed in claim 12, it is characterised in that form this in step S2 and hold Carrier layer includes being formed a plastic layer in the step on the substrate, and forms a cushion in the step on the plastic layer.
  14. 14. the preparation method of monolithic glass Trackpad as claimed in claim 12, it is characterised in that step S3 can use net Print, the mode of spraying form the conductive layer of the patterning.
  15. 15. the preparation method of monolithic glass Trackpad as claimed in claim 12, it is characterised in that further include one circuit of engagement Plate to the bonding land signal conductor the step of.
  16. 16. the preparation method of monolithic glass Trackpad as claimed in claim 15, it is characterised in that including adding a solid In the space between the circuit board and the bearing bed in the bonding land the step of.
  17. 17. the preparation method of monolithic glass Trackpad as claimed in claim 12, it is characterised in that further include to form a shading Layer is in the edge of the cover plate the step of.
  18. 18. the preparation method of monolithic glass Trackpad as claimed in claim 12, it is characterised in that removing the substrate can use Solution immersion, heat treatment, cold treatment, external force stripping or foregoing combination.
CN201210479192.XA 2012-11-22 2012-11-22 Monolithic glass Trackpad and preparation method thereof Active CN103838407B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201210479192.XA CN103838407B (en) 2012-11-22 2012-11-22 Monolithic glass Trackpad and preparation method thereof
TW102105682A TWI591520B (en) 2012-11-22 2013-02-19 One-glass-solution touch panel and method of manufacturing the same
TW102203148U TWM455213U (en) 2012-11-22 2013-02-19 One-glass-solution touch panel
PCT/CN2013/084964 WO2014079285A1 (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
CN201210479192.XA CN103838407B (en) 2012-11-22 2012-11-22 Monolithic glass Trackpad and preparation method thereof

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Publication Number Publication Date
CN103838407A CN103838407A (en) 2014-06-04
CN103838407B true CN103838407B (en) 2018-01-16

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WO (1) WO2014079285A1 (en)

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CN105856707B (en) * 2015-01-18 2019-04-16 昇印光电(昆山)股份有限公司 One kind can release printing film, compound print structure and production method
CN106484165B (en) * 2015-08-31 2023-10-24 宸鸿科技(厦门)有限公司 Touch panel and manufacturing method thereof
CN106569625A (en) * 2015-10-11 2017-04-19 宝宸(厦门)光学科技有限公司 Touch sensing device and manufacturing method thereof
CN107526203A (en) * 2017-03-14 2017-12-29 惠科股份有限公司 A kind of display device and its processing procedure

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TWM455213U (en) 2013-06-11

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