CN101470564B - Touching control panel and its manufacturing method - Google Patents
Touching control panel and its manufacturing method Download PDFInfo
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- CN101470564B CN101470564B CN2007103054342A CN200710305434A CN101470564B CN 101470564 B CN101470564 B CN 101470564B CN 2007103054342 A CN2007103054342 A CN 2007103054342A CN 200710305434 A CN200710305434 A CN 200710305434A CN 101470564 B CN101470564 B CN 101470564B
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Abstract
The invention discloses a touch control panel and a manufacturing method thereof. The touch control panel comprises a first substrate and a second substrate which are opposite, a first conducting layer and a second conducting layer are arranged between the first substrate and the second substrate, a first adhesive layer with conductivity is blanketed on the first conducting layer, a plurality of spacers are arranged between the first adhesive layer and the second conducting layer, wherein the spacers are arranged on the first adhesive layer and at least one of the first substrate and the second substrate can recess after contact to control the touch control panel. In one embodiment, the first adhesive layer with conductivity is a self-assembling layer.
Description
Technical field
The present invention relates to a kind of display device, particularly a kind of touch control display device.
Background technology
Touch panel (touch input display) is broken through the market application limitations, significantly be applied to consumption electronic products, as PDA(Personal Digital Assistant), mobile phone, portable computer, LCD, and game machine or the like, under the user demand of various portable electronic products, touch panel has become one of crucial spare part.The advantage of contact panel be make many light, thin, short, little and have an electronic product of Presentation Function, exempt big and small button and knob, thus, the space of button and knob can be omitted, space, institute abridged can be used to provide more large-area display space, increases the viewing area.
As shown in Figure 1, known contact panel is provided with a plurality of ball-type separation materials 110 (ball spacer) at first electrode 102 on first substrate 104 and 106 at second electrode on second substrate 108, form space at interval, so can make the film of second electrode 106 form depression, use the control that the resistance that changes element reaches touch-control via touching.Yet, accurate position property and supportive when the ball-type separation material 110 of irregular distribution can influence touch-control, and then the accuracy and the quality of reduction touch-control.In addition, ball-type separation material 110 and substrate 104,108 have and adhere to not good problem, cause 110 displacements of ball-type separation material because of long-term the use easily, the gap is kept have problems, and influence the accuracy of touch-control.
In addition, for reducing the reflectivity of contact panel, known technology generally can add one deck anti-reflecting layer in panel construction, but this newly-increased anti-reflecting layer and related process can increase cost of manufacture.
Summary of the invention
According to the problems referred to above, the invention provides the manufacture method of a kind of contact panel and this contact panel.
The invention provides a kind of contact panel, comprise: two relative first substrate and second substrates with lower unit; First conductive layer and second conductive layer are arranged between first substrate and second substrate; Being arranged on first conductive layer of the first adhesive coating blanket property covered of one tool electric conductivity, wherein this first adhesive coating is the self assembly layer; A plurality of septs are arranged between first adhesive coating and second conductive layer, and wherein sept is arranged on this first adhesive coating; Wherein first substrate and second substrate one of at least can produce depression through contacting, and carry out touch-control to contact panel.
The invention provides a kind of method for making of contact panel, may further comprise the steps: first substrate is provided, comprises first conductive layer; The method of prining with ink-jet is formed at a plurality of septs on first conductive layer; Second substrate that will comprise second conductive layer engages first substrate, and wherein first substrate and second substrate one of at least can produce depression through contacting, and carry out touch-control to contact panel; Wherein before this method of prining with ink-jet is arranged at this sept step on this first substrate, also comprise first adhesive coating that forms tool electric conductivity on this first conductive layer, wherein this first adhesive coating is the self assembly layer.
The invention provides a kind of method for making of contact panel, may further comprise the steps: first substrate is provided, comprises first conductive layer; Formation first adhesive coating of the blanket property covered is on first conductive layer; Form a plurality of septs on first adhesive coating, wherein this first adhesive coating is the self assembly layer; Second substrate is provided, comprises second conductive layer; Second substrate is engaged first substrate, and wherein first substrate and second substrate one of at least can produce depression through contacting, and carry out touch-control to contact panel.
Description of drawings
Fig. 1 shows a known contact panel.
Fig. 2 A～Fig. 2 H shows the manufacture method of one embodiment of the invention electric resistance touch-control panel.
Fig. 3 A shows the partial perspective view of one embodiment of the invention electric resistance touch-control panel.
Fig. 3 B shows the partial perspective view of one embodiment of the invention electric resistance touch-control panel.
Fig. 4 discloses the sectional view of another embodiment of the present invention contact panel.
Fig. 5 A～Fig. 5 B shows the production process of one example of the present invention self assembly layer.
Description of reference numerals
102～the first electrodes; 104～the first substrates;
106～the second electrodes; 108～the second substrates;
110～sept; 200～contact panel;
202～the first substrates; 204～the first conductive layers;
206～the first adhesive coatings; 208～the first electrodes;
210～the second substrates; 212～the second conductive layers;
214～the second adhesive coatings; 216～the second electrodes;
218～ink discharge device; 220～sept;
400～contact panel; 402～the first substrates;
404～the first conductive layers; 406～adhesive coating;
412～the second conductive layers; 414～the second substrates;
416～sept.
Embodiment
For solving the irregular distribution of known technology ball-type separation material, the accurate position property when influencing touch-control and the problem of supportive, the present invention uses the ink-jet technology (ink jet printing) of prining to form sept in one embodiment, the accurate position that is provided with of control interval thing, thereby make contact panel that good touch-control accurate position property and supportive (use ink-jet print the detailed method of technology narrate in following chapters and sections) be arranged.Form the tack of sept for increasing print technology or other method of ink-jet, the present invention has electric conductivity and can increase self assembly layer (the self-assembled monolayers of tack in another embodiment utilization, SAMs), the effective tack of hoist-hole parting on substrate.
Below cooperate Fig. 2 A～Fig. 2 H to describe the manufacture method of one embodiment of the invention electric resistance touch-control panel.Please refer to Fig. 2 A, first substrate 202 of silicon, soft plastic or glass for example is provided, first substrate 202 is carried out surface treatment step, the present embodiment surface treatment step can be ozone light activation (UVozone) treatment technology, plasma or corona method.Form for example indium tin oxide (indium tin oxide, ITO) or indium-zinc oxide (indium zinc oxide, IZO) first conductive layer 204 is on first substrate 202, present embodiment first conductive layer 204 is the film of the blanket property covered, but another embodiment can carry out graphical step to first conductive layer 204, form circuit pattern, its method for making can may further comprise the steps: forming acryl for example with photoetching technique or ink-jet technology is that photoresist or epoxy resin are that the patterned mask layer (not illustrating) of photoresist is on first conductive layer 204, carry out etch process, with design transfer to the first conductive layer 204 of patterned mask layer.
Please refer to Fig. 2 B, formation first adhesive coating 206 of the blanket property covered is on first conductive layer 204, first adhesive coating 206 of present embodiment is self assembly layer (SAMs), it can be adopted anion and cation polyeletrolyte film and pile up mutually and form, its method for making comprises the following step: substrate 202 is soaked in anionic polyelectrolyte solution, carry out drying process (surface being dried up) with air or nitrogen, substrate 202 is soaked in the cationic polymerization electrolyte solution, carry out drying process (surface being dried up) once more with air or nitrogen, repeat above-mentioned steps, to form anion and cation polyeletrolyte film.Present embodiment anionic polyelectrolyte solution can be polyacrylic acid solution (PAA), polymethylacrylic acid (PMA), kayexalate (PSS), poly-match fen-3-acetic acid (PTAA) or above-mentioned combination, the cationic polymerization electrolyte solution can be a polypropylene ammonia hydrogen chloride solution (PAH), poly-ethyl pyrazoles (PVI+), poly-N-ethyl pyrrole N-ketone (PVP+), polyacrylamide (PAAm), polyaniline (PAN) or above-mentioned combination, the mode that the present invention does not limit to soak applies (apply) ionic polymerization electrolyte on substrate 202, and the present invention can use other technology of for example sprinkling or ink-jet application in another embodiment.It should be noted that the self assembly layer tool electric conductivity of present embodiment, so contact panel still can cause resistance to change and carry out touch-control by touching.
Please refer to Fig. 2 C, form the first for example silver-colored electrode 208 on first adhesive coating 206, shape and position about first electrode 208 please refer to Fig. 3 A, and present embodiment first electrode 208 is arranged at the periphery of first conductive layer 204, and the transmission of signal is provided.
Please refer to Fig. 2 D, the sept 220 that scatters a plurality of for example ball-type separation materials (ball spacer) is on first adhesive coating 206, present embodiment uses ink-jet technology to carry out the distribution of sept 220: undersized granular acryl is woven in the Polymer Solution, with ink discharge device 218 it is coated on first adhesive coating 206 uniformly, to form sept 220.The present invention does not limit the technology of shape, material and the distribution sept of sept, any technology that other forms sept also is applicable to the present invention, for example the present invention also can fall within first adhesive coating 206 in the mode of spilling cloth at random with ball-type separation material (ball spacer), or adopting the gold-tinted photoetching process to form the photosensitive photoresist separation materials of tool (PhotoSpacer) in first adhesive coating 206, the photoresist separation material of present embodiment can be cylindrical, taper shape or rectangle.
Please refer to Fig. 2 E, for example second substrate 210 of glass is provided, second substrate 210 is carried out a surface treatment step.Second conductive layer 212 that forms tin indium oxide (ITO) for example or indium-zinc oxide (IZO) is on second substrate 210, and similar above-mentioned method can be carried out graphical step to second conductive layer 212, forms circuit pattern.Please refer to Fig. 2 F, formation second adhesive coating 214 of the blanket property covered is on second conductive layer 212, second adhesive coating 214 of present embodiment is self assembly layer (SAMs), it can be adopted anion and cation polyeletrolyte film and pile up mutually and form, its method for making comprises the following step: with substrate immersion in an anionic polyelectrolyte solution, carry out drying process, with substrate immersion in the cationic polymerization electrolyte solution, carry out drying process once more, repeat above-mentioned steps, to form anion and cation polyeletrolyte film.Present embodiment anionic polyelectrolyte solution can be polyacrylic acid solution (PAA), polymethylacrylic acid (PMA), kayexalate (PSS), poly-match fen-3-acetic acid (PTAA) or above-mentioned combination, the cationic polymerization electrolyte solution can be a polypropylene ammonia hydrogen chloride solution (PAH), poly-ethyl pyrazoles (PVI+), poly-N-ethyl pyrrole N-ketone (PVP+), polyacrylamide (PAAm), polyaniline (PAN) or above-mentioned combination, the mode that the present invention does not limit to soak applies (apply) ionic polymerization electrolyte on second substrate 210, and the present invention can use other technology of for example sprinkling or ink-jet application in another embodiment.It should be noted that the self assembly layer 214 same tool electric conductivity of present embodiment, so contact panel still can cause resistance to change and carry out touch-control by touching.
Please refer to Fig. 2 G, second electrode 216 that forms silver for example is on second adhesive coating 214, and about the shape and the position of second electrode 216 please refer to Fig. 3 B, present embodiment second electrode 216 is arranged at the periphery of second conductive layer 212, and the signal transmission is provided.It should be noted that the configuration employing four-wire type of second electrode 216 and first electrode 208 of present embodiment, yet the present invention can use the electrode configuration of five-line, six line formulas, seven line formulas or eight line formulas.
Please refer to Fig. 2 H, second substrate 210 is inverted, and engage with first substrate 202, form the contact panel 200 of present embodiment, present embodiment uses the self assembly layer that has electric conductivity and can increase tack, the effectively tack of hoist-hole parting on substrate, and the chemical constitution of self assembly layer also has the function that reduces reflectivity, so can effectively promote the use reliability and the life-span of product.It should be noted that, when the sept of present embodiment is the ball-type separation material, because it is round, less with the contact area of self assembly layer, the double-deck self assembly layer of present embodiment utilization structure reaches firm adhesion effect, so present embodiment also can be applicable to sept and the minimum high aperture structure of substrate contacts area.
Fig. 4 discloses the sectional view of another embodiment of the present invention contact panel 400, the difference of present embodiment and the foregoing description is that sept 416 is a photoresist separation material (Photo Spacer), because first conductive layer 404 that the photoresist separation material and first substrate 402 and second substrate are 414 and/or the contact area of second conductive layer 412 are bigger, therefore can not need to use double-deck adhesive coating structure, can reach firm adhesion effect, as shown in Figure 4, present embodiment forms adhesive coating 406 on first conductive layer 404, set photoresist separation material, but except the tack of hoist-hole parting 416 on substrate, can reduce the reflectivity of contact panel 400 in addition.
[enforcement example]
Below cooperate Fig. 5 A to describe one example of the present invention and relevant experimental data, supplementary notes the present invention with Fig. 5 B.At first, utilize general glass cleaning equipment to clean plastic transparent substrate 500, in order to remove the oil stain and the particulate on substrate 500 surfaces, then with substrate 500 dryings.Then, carry out the production process of self assembly layer (SAMs), preparation cationic polymer electrolyte solution 502 and anion electrolyte solution 504, substrate 500 was placed cationic polymer electrolyte solution earlier 502 12 minutes, wash, dry up, again substrate 500 was placed anion electrolyte solution 504 12 minutes, wash again, dry up, repeat above-mentioned steps 7 times, make kation 502a and the negative ion 504a of the about 200～300nm of substrate 500 surperficial stack thickness, the ion on final substrate 500 surfaces is formed by kation 502a.Finish and substrate 500 is inserted baking oven after the above-mentioned steps and under 45 ℃ temperature, toasted 30 minutes.Sept (spacer) solution that has prepared is injected the spray printing module, sept solution is defined on the substrate of above-mentioned processing, sept solution is toasted, the solution in the sept solution is dried, and anchor on the substrate, to form sept (not illustrating).Baking condition is to toast 30 minutes down at 45 ℃, toasts 60 minutes down at 110 ℃, carries out upper and lower base plate group upright (the sept ratio of compression is 1.3), finishes panel and makes.
Above-mentioned example base plate coating has self assembly layer and the general comparison such as the following the 1st that is not coated with the substrate of self assembly layer to show listed:
Table 1
| ? | Penetration T (%) | Reflectivity R (%) |
| General substrate | ?89? | ?5? |
| The substrate of coating self assembly layer (SAMs) | ?92? | ?2? |
Result by table 1 can learn that the self assembly layer of base plate coating 200～300nm can make its penetration promote 3%, and reflectivity drops to 2% by 5%.
According to the above embodiment of the present invention and experimental result, one embodiment of the invention is utilized the effectively tack of hoist-hole parting on substrate of self assembly layer (SAMs), and the chemical constitution of self assembly layer also has the function that reduces reflectivity, so can effectively promote the use reliability and the life-span of product.
The embodiment that more than provides is in order to the different technical characterictic of description the present invention, but according to notion of the present invention, it can comprise or apply to technical scope widely.It is noted that embodiment is only in order to disclose the ad hoc approach of technology of the present invention, device, composition, manufacturing and use, not in order to limiting the present invention, those skilled in the art, without departing from the spirit and scope of the present invention, when doing a little change and retouching.Therefore, protection scope of the present invention is when looking being as the criterion that accompanying Claim defines.
Claims (32)
1. contact panel comprises:
Two relative first substrate and second substrates;
First conductive layer and second conductive layer are arranged between this first substrate and this second substrate;
First adhesive coating of tool electric conductivity is arranged to the blanket property covered on this first conductive layer, and wherein this first adhesive coating is the self assembly layer;
A plurality of septs are arranged between this first adhesive coating and this second conductive layer, and wherein this sept is arranged on this first adhesive coating;
Wherein this first substrate and this second substrate one of at least can produce depression, this contact panel of touch-control through contacting.
2. contact panel as claimed in claim 1 also comprises second adhesive coating of tool electric conductivity being arranged to the blanket property covered the side of this second conductor planes to this sept.
3. contact panel as claimed in claim 1, wherein this self assembly layer use anionic polyelectrolyte film and cationic polymerization electrolytic thin-membrane pile up mutually and form.
4. contact panel as claimed in claim 2, wherein this second adhesive coating is the self assembly layer.
5. contact panel as claimed in claim 4, wherein this self assembly layer use anionic polyelectrolyte film and cationic polymerization electrolytic thin-membrane pile up mutually and form.
6. contact panel as claimed in claim 1, wherein this sept is the ball-type separation material.
7. contact panel as claimed in claim 1, wherein this sept is the photoresist separation material.
8. contact panel as claimed in claim 7, wherein this photoresist separation material is cylindrical, taper shape or rectangle.
9. contact panel as claimed in claim 1 comprises that also first electrode and second electrode are arranged at the periphery of this first conductive layer and this second conductive layer respectively.
10. contact panel as claimed in claim 9, wherein this first conductive layer and this second conductive layer are that indium tin oxide or indium-zinc oxide are formed, and this first electrode is that silver, copper are formed with this second electrode.
11. contact panel as claimed in claim 1, wherein this first substrate is silicon, soft plastic or glass.
12. contact panel as claimed in claim 1, wherein this second substrate is silicon, soft plastic or glass.
13. the method for making of a contact panel comprises:
First substrate is provided, comprises first conductive layer;
The method of prining with ink-jet is formed at a plurality of septs on this first conductive layer;
Second substrate that will comprise second conductive layer engages this first substrate, wherein this first substrate and this second substrate one of at least can produce depression through contacting, this contact panel of touch-control, wherein before this method of prining with ink-jet is arranged at this sept step on this first substrate, also comprise first adhesive coating that forms tool electric conductivity on this first conductive layer, wherein this first adhesive coating is the self assembly layer.
14. the method for making of contact panel as claimed in claim 13, wherein this self assembly layer use anionic polyelectrolyte film and cationic polymerization electrolytic thin-membrane pile up mutually and form.
15. the method for making of contact panel as claimed in claim 13 wherein before second substrate that will comprise this second conductive layer engages the step of this first substrate, comprises that also second adhesive coating that forms tool electric conductivity is on this second conductive layer.
16. the method for making of contact panel as claimed in claim 15, wherein this second adhesive coating is the self assembly layer.
17. the method for making of contact panel as claimed in claim 16, wherein this self assembly layer use anionic polyelectrolyte film and cationic polymerization electrolytic thin-membrane pile up mutually and form.
18. the method for making of a contact panel comprises:
First substrate is provided, comprises first conductive layer;
Formation first adhesive coating of the blanket property covered is on this first conductive layer;
Form a plurality of septs on this first adhesive coating, wherein this first adhesive coating is the self assembly layer;
Second substrate is provided, comprises second conductive layer;
This second substrate is engaged this first substrate,
Wherein this first substrate and this second substrate one of at least can produce depression, this contact panel of touch-control through contacting.
19. the method for making of contact panel as claimed in claim 18 before this second substrate is engaged the step of this first substrate, comprises that also the blanket property covered ground forms second adhesive coating on this second conductive layer.
20. the method for making of contact panel as claimed in claim 18, wherein the step of this blanket property covered ground this first adhesive coating of formation on this first conductive layer comprises:
A. apply an anionic polyelectrolyte solution on first conductive layer of this first substrate;
B. apply a cationic polymerization electrolyte solution on first conductive layer of this first substrate;
C. the step that repeats a-b at least once.
21. the method for making of contact panel as claimed in claim 20, wherein this step that applies technology that is immersion, sprinkling or ink-jet.
22. the method for making of contact panel as claimed in claim 20, wherein this anionic polyelectrolyte solution is polyacrylic acid solution, polymethylacrylic acid, kayexalate, poly-match fen-3-acetic acid or above-mentioned combination.
23. the method for making of contact panel as claimed in claim 20, wherein this cationic polymerization electrolyte solution is polypropylene ammonia hydrogen chloride solution, poly-ethyl pyrazoles, poly-N-ethyl pyrrole N-ketone, polyacrylamide, polyaniline or above-mentioned combination.
24. the method for making of contact panel as claimed in claim 19, wherein the step of this blanket property covered ground this second adhesive coating of formation on this second conductive layer comprises:
A. apply an anionic polyelectrolyte solution on second conductive layer of this second substrate;
B. apply a cationic polymerization electrolyte solution on second conductive layer of this second substrate;
C. the step that repeats a-b at least once.
25. the method for making of contact panel as claimed in claim 24, wherein this step that applies technology that is immersion, sprinkling or ink-jet.
26. the method for making of contact panel as claimed in claim 24, wherein this anionic polyelectrolyte solution is polyacrylic acid solution, polymethylacrylic acid, kayexalate, poly-match fen-3-acetic acid or above-mentioned combination.
27. the method for making of contact panel as claimed in claim 24, wherein this cationic polymerization electrolyte solution is polypropylene ammonia hydrogen chloride solution, poly-ethyl pyrazoles, poly-N-ethyl pyrrole N-ketone, polyacrylamide, polyaniline or above-mentioned combination.
28. the method for making of contact panel as claimed in claim 18 also comprises this first substrate is carried out surface treatment step, with oil stain and the particulate of removing substrate surface.
29. the method for making of contact panel as claimed in claim 18 wherein forms the step employing of this sept on this first adhesive coating and spills cloth ball-type separation material or form the photoresist separation material with the gold-tinted photoetching technique.
30. the method for making of contact panel as claimed in claim 29, wherein this photoresist separation material is cylindrical, taper shape or rectangle.
31. the method for making of contact panel as claimed in claim 18 also comprises graphical this first conductive layer and this second conductive layer.
32. the method for making of contact panel as claimed in claim 18 also comprises forming first electrode in the periphery of this first conductive layer with form the periphery of second electrode in this second conductive layer.
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| CN2007103054342A CN101470564B (en) | 2007-12-28 | 2007-12-28 | Touching control panel and its manufacturing method |
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| CN101470564B true CN101470564B (en) | 2011-06-08 |
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| CN102566811B (en) * | 2009-12-28 | 2014-06-11 | 友达光电股份有限公司 | Touch panel fabrication method |
| CN201590068U (en) * | 2009-12-28 | 2010-09-22 | 中兴通讯股份有限公司 | Anti-static resistive touch screen and device |
| CN106529439A (en) * | 2016-10-31 | 2017-03-22 | 北京小米移动软件有限公司 | Protective film, display substrate and electronic equipment |
| CN109683417B (en) * | 2019-03-06 | 2022-02-15 | 信利光电股份有限公司 | Method for manufacturing box body |
| CN113437303B (en) * | 2021-06-22 | 2022-10-21 | 佛山市大为科技有限公司 | Conductive slurry for coating surface of modified lithium battery current collector and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1267811C (en) * | 2001-12-14 | 2006-08-02 | 3M创新有限公司 | Touch panel spacer dots and methods of making |
| CN1322408C (en) * | 2004-09-02 | 2007-06-20 | 松下电器产业株式会社 | Touch panel and the manufacturing method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1267811C (en) * | 2001-12-14 | 2006-08-02 | 3M创新有限公司 | Touch panel spacer dots and methods of making |
| CN1322408C (en) * | 2004-09-02 | 2007-06-20 | 松下电器产业株式会社 | Touch panel and the manufacturing method |
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