CN202351830U - Touch-control stacking device - Google Patents
Touch-control stacking device Download PDFInfo
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- CN202351830U CN202351830U CN2011203521873U CN201120352187U CN202351830U CN 202351830 U CN202351830 U CN 202351830U CN 2011203521873 U CN2011203521873 U CN 2011203521873U CN 201120352187 U CN201120352187 U CN 201120352187U CN 202351830 U CN202351830 U CN 202351830U
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- touch
- layer
- stacked structure
- index layer
- index
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Abstract
The utility model discloses a touch-control stacking device. When applied to a touch panel, the touch-control stacking device enables the touch panel to have good appearance and reliability. The touch-control stacking device structurally comprises a conducting layer, a low-refractivity first refractivity layer and a high-refractivity second refractivity layer, wherein the first refractivity layer covers the conducting layer, the second refractivity layer is positioned on the first refractivity layer, the refractivity of the first refractivity layer is lower than that of the conducting layer, and the refractivity of the second refractivity layer is higher than that of the first refractivity layer.
Description
Technical field
The utility model relates to the touch-control field, particularly a kind of touch-control stacked structure and the application in contact panel thereof.
Background technology
Contact panel (touch panel) has combined touch technology and display technique, and is widely used in the electronic installation simultaneously as the usefulness of input with demonstration.
Contact panel can be divided into external hanging type contact panel (on cell touch panel) and two kinds of embedded touch panels (in cell touch panel).The external hanging type contact panel comprises a contactor control device and a display device, and contactor control device has touch-control screen that an outward appearance is transparence usually towards the user; See through the diagram (icon) or the indication that show on the touching screen, the user can assign the instruction of control electronic installation.In addition, the below of touch-control screen has a transparent substrate, and it has by the made many leads of electrically conducting transparent material on the surface of touch-control screen, tin indium oxide (ITO) lead for example, and these leads are the touch position that are used to detect the user.The embedded touch panel embeds in the device such as LCD usually, and its sensor comprises capacitance sensing electrode, switch and photistor.
Yet after contactor control device was installed on display device, the user can see through the touch-control screen, saw significantly and distinguished the zone that has lead and do not have lead, made that the outward appearance of contact panel is not good.Over year, along with the continuous development of touch technology,
The utility model content
In view of this, one of purpose of the utility model is to provide a kind of touch-control stacked structure, and it adopts the multilayer film of different refractivity and makes that having conductive layer significantly reduces with the difference in reflectivity with zone of conductive layer, thereby improves the outward appearance of contact panel.
According to above-mentioned purpose, the utility model provides a kind of touch-control stacked structure, comprises: a conductive layer, and one first index layer covers this conductive layer; One second index layer is positioned on this first index layer, and the refractive index of this first index layer is lower than conductive layer, and the refractive index of this second index layer is higher than this first index layer.
The utility model through first index layer, second index layer are set, makes that having conductive layer significantly reduces with the difference in reflectivity with zone of conductive layer according to the interference of light principle in the touch-control stacked structure.Through selecting suitable material and the rate of penetrating layer thickness reasonable in design, also can further reduce the difference of reflectivity, thereby improve the outward appearance of contact panel.First index layer and second refractive index can have dual effect simultaneously as insulation course.
Description of drawings
Fig. 1 is the sectional view according to the touch-control stacked structure 1 of the utility model one preferred embodiment;
Fig. 2 is the sectional view according to the touch-control stacked structure 2 of another preferred embodiment of the utility model;
Fig. 3 is the sectional view according to the touch-control stacked structure 3 of another preferred embodiment of the utility model;
Fig. 4 shows the contact panel according to another embodiment of the utility model;
Fig. 5 shows the formation method according to the touch-control stacked structure of another embodiment of the utility model; And
After Fig. 6 demonstration was processed contact panel with the touch-control stacked structure of the utility model one instance and a reference examples, both were in the reflectance curve of etching region and echo area.
The reference numeral explanation:
1 touch-control stacked structure
2 touch-control stacked structures
3 touch-control stacked structure/contactor control devices
4 display device
10 substrates
12 conductive layers
14 first index layers
16 second index layers
18 third reflect rate layers
20 organic protection layers
22 overlayers
52 provide a substrate
54 form a conductive layer on this substrate
56 depositions, first index layer is to cover this conductive layer and this substrate
58 depositions, second index layer is to cover this first index layer
60 fit an optical cement on this second index layer
The C0 conduction region
The C conduction region
The E0 etching region
The E etching region
Embodiment
Each embodiment of this case below will be detailed, and conjunction with figs. is as illustration.Except these were described in detail, the utility model can also be implemented among other the embodiment widely, the substituting easily of any said embodiment, revise, equivalence changes and is included in the scope of this case, and be as the criterion with the claim of the utility model.In the description of instructions, in order to make the reader the utility model there is more complete understanding, many specific detail are provided; Yet the utility model possibly still can be implemented at clipped or all under the prerequisite of these specific detail.In addition, well-known step or element are not described in the details, with the restriction of avoiding causing the utility model unnecessary.Assembly identical or similar in graphic will be represented with identical or simileys.What pay special attention to is that accompanying drawing is merely the usefulness of signal, is not actual size or quantity of representation element, unless otherwise specified.
Fig. 1 is the sectional view according to the touch-control stacked structure 1 of the utility model one preferred embodiment.Touch-control stacked structure 1 comprises: a conductive layer 12; One first index layer 14 is positioned on the conductive layer 12, and the refractive index that covers conductive layer 12, the first index layers 14 is lower than conductive layer 12; One second index layer 16 is positioned on first index layer 14, and the refractive index that covers first index layer, 14, the second index layers 16 is higher than first index layer 14.
Said touch-control stacked structure 1 also can comprise third reflect rate layer 18, be positioned on this second index layer 16, and the refractive index of third reflect rate layer 18 is lower than second index layer 16.
Hold, in present embodiment, conductive layer 12 can carry out patterning, and its material can be transparent conductive material, and is concrete like tin indium oxide (indium tin oxide; ITO); Also can be other materials, for example antimony tin (ATO), zinc paste (ZnO), zinc oxide (ZnO
2), tin ash (SnO
2), indium sesquioxide (In
2O
3) or the various combinations of aforementioned material etc.
Touch-control stacked structure 1 is formed on the substrate 10, and this substrate 10 can prepare with transparent material, specifically can be polyethylene terephthalate (polyethyleneterephthalate; PET), glass, polycarbonate (polycarbonate; PC), polymethylmethacrylate (polymethylmethacrylate; PMMA) or the like.
In addition, in present embodiment, first index layer 14 has lower refractive index, and the second index layer index layer 16 has higher refractive index.Preferably, first index layer 14 is a refractive index between about 1.38 to about 1.52 oxide, for example silicon dioxide (SiO
2); The second index layer index layer 16 is a refractive index between about 1.70 to about 2.30 oxide or nitride, for example niobium pentaoxide (Nb
2O
5) or silicon nitride (SiN
x) etc.Preferably, between about 80nm, the thickness of the second transparent index layer index layer 16 is between the extremely about 20nm of about 5nm between about 20nm for the thickness of the first transparent index layer index layer 14.
In addition, between the third reflect rate layer 18 and second index layer 16, can comprise one deck refractive index at least and the different index layer of second index layer 16 again.The refractive index of third reflect rate layer 18 is between about 1.38 to about 1.52.
In addition, if third reflect rate layer 18 is the optical lens gelatin, sticking together between various substrates or the film (laminations) can be provided then.And,, still can make adhesion layer have the characteristic of pollution-free (contaminant-free) and high anti-bubble (bubble resistance) even be exposed under the hot and humid environment.
Above-described touch-control stacked structure 1 can be applicable in the contact panel.As shown in Figure 1; When touch-control stacked structure 1 is applied to contact panel; Then a display device (not shown) should be arranged at substrate 10 belows; And on behalf of user's observed ray below, C and E have conduction region or etching region respectively, and wherein conduction region C representes that its below has conductive layer 12 formed conduction regions, etching region E and representes that the conductive layer 12 of its below has been etched and remove.The utility model is according to the interference of light principle; Through appropriate design to first index layer 14, second index layer 16; Make the difference in reflectivity of conduction region C and etching region E significantly reduce; Therefore the user will be difficult to distinguish the difference of conduction region C and etching region E, thereby improve the outward appearance of contact panel; On the other hand, first index layer 14 and second index layer 16 can stop the erosion of optics transparent adhesive tape (third reflect rate layer) to conductive layer 12, thereby improve the fiduciary level of contact panel.Simultaneously, the optical lens gelatin is covered on second index layer 16, forms three layers structure with first index layer 14, can further reduce the difference in reflectivity of conduction region C and etching region E.
Fig. 2 is the sectional view according to the touch-control stacked structure 2 of another preferred embodiment of the utility model; The difference of itself and Fig. 1 embodiment is; The touch-control stacked structure more than 2 of present embodiment at least one organic protection layer 20 (passivation), between second index layer 16 and third reflect rate layer 18.Organic protection layer 20, its material is polyethylene terephthalate (polyethyleneterephthalate for example; PET), polyphenylene sulfide (Polyphenylene Sulfide; PPS), polypropylene (Polypropylene), but be not limited thereto.
Fig. 3 is the sectional view according to the touch-control stacked structure 3 of another preferred embodiment of the utility model, and the difference of itself and Fig. 1 embodiment is, the touch-control stacked structure more than 3 of present embodiment one overlayer 22, be positioned at optical lens gelatin top.In addition, the optical lens gelatin can have a 18a of first and a second portion 18b, to stick together (lamination) with the overlayer 22 and the second index layer index layer 16 respectively.Between optical lens gelatin and the overlayer 22, also can be provided with other index layers or the organic protection layer of one deck at least.
In present embodiment; The material of overlayer 22 can be glass or plastic cement (macromolecule); And the optical lens gelatin can be a kind of compound pressure-sensing glue (composite pressure-sensitive adhesive), that is, can be by applying suitable pressure; For example use roller (roller) to exert pressure, make it produce adhesion and stick together with the desire laminating layer.In addition, can select for use its refractive index approach desire the optical lens gelatin of the refractive index of laminating layer.For example, if the material of overlayer 22 is general glass, its refraction coefficient approximates 1.5 greatly, can select for use refractive index near 1.5 optical lens gelatin.
At present embodiment, the material of the overlayer 22 and second index layer 16 can have not homophase (phase) and heterogeneous (heterogeneity), that is the overlayer 22 and second index layer 16 can have the physics or the chemical characteristic of inequality.And the 18a of first of optical lens gelatin be applicable to overlayer 22 stick together, second portion 18b is applicable to second index layer 16 to stick together.Preferably, 18a of first and second portion 18b can be synthetic by identical or different monomer (monomer) respectively, it is characterized in that both have different cross-linking density (crosslinking density), and form a complex.
Fig. 4 shows the contact panel according to the utility model one embodiment; It comprises touch-control stacked structure 3 as shown in Figure 3 with as a contactor control device 3; And one is positioned at a display device 4 of contactor control device 3 belows, for example; But be not defined as, LCD, organic light emitting diode (OLED), display or electricity cause (electroluminescent; EL) display etc.By this, contactor control device 3 and display device 4 constitute a kind of contact panel of external hanging type.
Fig. 5 shows the concrete formation method according to the touch-control stacked structure of the utility model one embodiment.Step 52 provides a transparency carrier, for example polyethylene terephthalate (polyethyleneterephthalate; PET) substrate.Step 54, the transparency conducting layer of formation patterning on this transparency carrier.For example, use Scroll (roll to roll) sputtering equipment on the PET of rolling, to deposit an ITO transparency conducting layer.Then, according to the exposure machine specification, the web-like PET that will have the ITO transparency conducting layer is cut into required size, for example, is cut into the sheet of 355mm * 406mm.Then, through micro-photographing process with this ITO electrically conducting transparent patterned.Step 56 deposits transparency conducting layer and this transparency carrier of transparent index layer to cover this patterning of a low-refraction.For example, use wire mark (screen printing) processing procedure, cover the zone that need combine (bonding) on this patterning ITO transparency conducting layer with peelable glue; Then, use sputtering equipment, the transparent index layer of deposition one low-refraction on the ITO of patterning transparency conducting layer, and preferably, the transparent index layer index layer of this low-refraction can be that refractive index is 1.38 to 1.52 oxide, for example SiO
2Deng.Step 58, the transparent index layer that deposits a high index of refraction is to cover the transparent index layer index layer of this low-refraction.For example, use sputtering equipment, deposition one high refractive index transparent index layer on the transparent index layer of this low-refraction, and preferably, this high refractive index transparent index layer can be that refractive index is 1.70 to 2.30 oxide or nitride, for example Nb
2O
5Or SiNx etc.Then, peel off this peelable glue.Step 60 is fitted just like preceding described optical lens gelatin above this high refractive index transparent index layer, by this, accomplishes a touch-control stacked structure.
Hold,, still comprise with this optical clear sticker and unify foregoing transparent covering layer in this optical lens gelatin top at another embodiment of the utility model.
For example: at first, on a PET coiled material, deposit the ITO transparency conducting layer of the about 40nm of a thickness, and be cut into the sheet of 355mm * 406mm; Then, with this ITO transparency conducting layer of micro-photographing process patterning; Then, utilize peelable glue to block preparation with the wire mark processing procedure and combine (bonding) zone; Then, utilize the reactive sputter-deposition method, the SiO of the about 36nm of deposition one layer thickness on the ITO of patterning transparency conducting layer
2Film deposits the Nb of the about 9nm of a layer thickness again
2O
5Then, an optical lens gelatin is peeled off, fitted to peelable glue in Nb
2O
5Top, the transparent covering layer of fitting are accomplished a touch-control stacked structure in this optical lens gelatin top.At last, utilize this touch-control stacked structure to process a contact panel.
After Fig. 6 demonstration was processed contact panel with the touch-control stacked structure of an above-mentioned instance and a reference examples, both were in the reflectance curve of etching region and echo area.Wherein, except not having two-layer transparent index layer, the structure of this reference examples is as above-mentioned instance.In addition, curve E0, C0 are respectively the made contact panel of reference examples in the reflectance curve of etching region and conduction region; Curve E, C are respectively the made contact panel of above-mentioned instance in the reflectance curve of etching region and conduction region.Like figure, in reference examples, the difference in reflectivity of E0 and C0 is big, therefore can distinguish conduction region C0 and etching region E0 easily through eye-observation; In instance, the difference in reflectivity of E and C is little, fails to distinguish conduction region C and etching region E through eye-observation.
The preferred embodiment that the above is merely the utility model is not in order to limit the claim of the utility model; All other do not break away from following equivalence change or the modification of being accomplished of spirit that utility model discloses, and all should be included in the following claim.
Claims (19)
1. touch-control stacked structure is characterized in that comprising:
One conductive layer;
One first index layer covers this conductive layer; And
One second index layer is positioned on this first index layer;
Wherein, the refractive index of said first index layer is lower than said conductive layer, and the refractive index of said second index layer is higher than said first index layer.
2. touch-control stacked structure as claimed in claim 1 is characterized in that still comprising third reflect rate layer, be positioned on this second index layer, and the refractive index of this third reflect rate layer is lower than this second index layer.
3. touch-control stacked structure as claimed in claim 1, the refractive index that it is characterized in that this first index layer is between 1.38 to 1.52.
4. touch-control stacked structure as claimed in claim 1, the refractive index that it is characterized in that this second index layer is between 1.70 to 2.30.
5. touch-control stacked structure as claimed in claim 1 is characterized in that this first index layer is an insulation course.
6. touch-control stacked structure as claimed in claim 1 is characterized in that this second index layer is an insulation course.
7. touch-control stacked structure as claimed in claim 1, the material that it is characterized in that this first index layer is a silicon dioxide.
8. like claim 1 or 7 described touch-control stacked structures, the thickness that it is characterized in that this first index layer is between between the 20nm to 80nm.
9. touch-control stacked structure as claimed in claim 1, the material that it is characterized in that this second index layer is niobium pentaoxide or silicon nitride.
10. like claim 1 or 9 described touch-control stacked structures, it is characterized in that this second penetrate the rate layer thickness between between the 5nm to 20nm.
11. touch-control stacked structure as claimed in claim 2, the refractive index that it is characterized in that this third reflect rate layer is between 1.38 to 1.52.
12. touch-control stacked structure as claimed in claim 2 is characterized in that this third reflect rate layer is by optical cement or the formed gluing layer of glue.
13. touch-control stacked structure as claimed in claim 2 is characterized in that still comprising at least one organic protection layer between this second index layer and third reflect rate layer.
14. touch-control stacked structure as claimed in claim 1 is characterized in that this touch-control stacked structure is to be formed on the substrate.
15. touch-control stacked structure as claimed in claim 14 is characterized in that the material of this substrate comprises polyethylene terephthalate, glass, polycarbonate or polymethylmethacrylate.
16. touch-control stacked structure as claimed in claim 2 is characterized in that still comprising an overlayer and is positioned at this third reflect rate layer top.
17. touch-control stacked structure as claimed in claim 17 is characterized in that the refractive index of this tectal refractive index and this third reflect rate layer is close.
18. touch-control stacked structure as claimed in claim 17 is characterized in that this tectal material comprises glass or plastic cement.
19. touch-control stacked structure as claimed in claim 1 is characterized in that this touch-control stacked structure is applied to prepare a contactor control device, this contactor control device and a display device constitute a contact panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203521873U CN202351830U (en) | 2011-09-09 | 2011-09-09 | Touch-control stacking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203521873U CN202351830U (en) | 2011-09-09 | 2011-09-09 | Touch-control stacking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202351830U true CN202351830U (en) | 2012-07-25 |
Family
ID=46540817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203521873U Expired - Lifetime CN202351830U (en) | 2011-09-09 | 2011-09-09 | Touch-control stacking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202351830U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014094624A1 (en) * | 2012-12-18 | 2014-06-26 | 宸鸿光电科技股份有限公司 | Touch control electrode structure and manufacturing process therefor |
| CN104380230A (en) * | 2013-05-27 | 2015-02-25 | 日东电工株式会社 | Touchscreen sensor |
| CN104699342A (en) * | 2015-03-27 | 2015-06-10 | 深圳市深越光电技术有限公司 | Novel G1-cell capacitive touch screen module and manufacturing method thereof |
| TWI514211B (en) * | 2013-04-20 | 2015-12-21 | Tpk Touch Solutions Xiamen Inc | Touch panel and method for fabricating the same |
-
2011
- 2011-09-09 CN CN2011203521873U patent/CN202351830U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014094624A1 (en) * | 2012-12-18 | 2014-06-26 | 宸鸿光电科技股份有限公司 | Touch control electrode structure and manufacturing process therefor |
| US9733749B2 (en) | 2012-12-18 | 2017-08-15 | Tpk Touch Solutions Inc. | Touch panel and method for forming a touch structure |
| TWI514211B (en) * | 2013-04-20 | 2015-12-21 | Tpk Touch Solutions Xiamen Inc | Touch panel and method for fabricating the same |
| CN104380230A (en) * | 2013-05-27 | 2015-02-25 | 日东电工株式会社 | Touchscreen sensor |
| US9719770B2 (en) | 2013-05-27 | 2017-08-01 | Nitto Denko Corporation | Touchscreen sensor |
| CN104380230B (en) * | 2013-05-27 | 2017-12-01 | 日东电工株式会社 | Contact panel sensor |
| CN104699342A (en) * | 2015-03-27 | 2015-06-10 | 深圳市深越光电技术有限公司 | Novel G1-cell capacitive touch screen module and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |
|
| CX01 | Expiry of patent term |