CN102810020A - touch panel - Google Patents
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- CN102810020A CN102810020A CN2011101471450A CN201110147145A CN102810020A CN 102810020 A CN102810020 A CN 102810020A CN 2011101471450 A CN2011101471450 A CN 2011101471450A CN 201110147145 A CN201110147145 A CN 201110147145A CN 102810020 A CN102810020 A CN 102810020A
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- Prior art keywords
- conductive layer
- substrate
- layer
- touch panel
- panel according
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- 239000000758 substrate Substances 0.000 claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims abstract 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 229920002120 photoresistant polymer Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 2
- 229910001887 tin oxide Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 35
- 239000011247 coating layer Substances 0.000 claims 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 description 41
- 230000003287 optical effect Effects 0.000 description 8
- 238000013459 approach Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 230000012447 hatching Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000003678 scratch resistant effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
A touch panel is provided with an operation area and a peripheral area surrounding the operation area. The touch panel comprises a substrate, a touch element, a composite non-conductive layer and a shading layer. The touch control element is arranged on the substrate and is positioned in the operation area. The composite non-conductive layer is arranged on the substrate and at least positioned in the peripheral region, the composite non-conductive layer is formed by stacking a plurality of non-conductive layers, and the materials of the two adjacent non-conductive layers are different. The shading layer is arranged on the substrate and positioned in the peripheral region, wherein the non-conductive layer is positioned on one side, close to the substrate, of the shading layer.
Description
Technical field
The present invention relates to a kind of contact panel, relate in particular to a kind of contact panel with color border.
Background technology
In recent years, various electronic product all constantly strides forward towards the direction of easy and simple to handle, small size and screen sizes, and particularly portable electronic product is more strict for the requirement of volume and screen size.Therefore, many electronic products are all integrated contact panel and display panel, with omission keyboard or the required space of operational and controlled key button, and then make the configurable enlarged areas of screen.
In general, contact panel must be installed in the surface of electronic product and carry out touch-control input and operation in order to the user, perhaps is incorporated into panel surface, so that touch-control and Presentation Function to be provided.Yet for the position of covering cabling and the layout of circuit, the frame of contact panel (boarder) often is provided with dark color, black for example, light screening material.Thus, the frame of electronic product all is a black often, and can't satisfy the demand of user for product appearance.
Summary of the invention
The present invention provides a kind of contact panel, can provide the colorful one frame to satisfy the demand of user for product appearance.
The present invention proposes a kind of contact panel, a surrounding zone that has an operational zone and center on the operational zone.Contact panel comprises a substrate, a touch control component, compound (complex) non-conductive layer and a light shield layer.Touch control component is disposed on the substrate and is arranged in the operational zone.Compound non-conductive layer is disposed on the substrate and is arranged in the surrounding zone at least, and compound non-conductive layer is piled up by a plurality of non-conductive layers and forms and the material of adjacent two layers non-conductive layer differs from one another.Light shield layer is disposed on the substrate and is arranged in the surrounding zone, and wherein non-conductive layer is positioned at the side that light shield layer approaches substrate.
In other words; A kind of contact panel; A surrounding zone that has an operational zone and center on this operational zone, this contact panel comprises: a substrate, a touch control component, a compound non-conductive layer, a light shield layer, touch control component are disposed on this substrate and are arranged in this operational zone; Compound non-conductive layer is disposed on this substrate and is arranged in this surrounding zone at least, and this compound non-conductive layer is piled up by a plurality of non-conductive layers and forms; Light shield layer is disposed on this substrate and is arranged in this surrounding zone, and wherein this compound non-conductive layer is positioned at the side that this light shield layer approaches this substrate.
Based on above-mentioned, contact panel of the present invention utilizes compound non-conductive layer to be disposed at the light shield layer top, and different by the optical index that different layers provided in the compound non-conductive layer, makes the frame of contact panel have color.Therefore, contact panel of the present invention can satisfy the demand of user to product appearance.
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts embodiment, and conjunction with figs. elaborates as follows.
Description of drawings
Fig. 1 is the diagrammatic cross-section of contact panel of the present invention.
Fig. 2 A looks synoptic diagram on the contact panel of first embodiment of the invention.
Fig. 2 B is the diagrammatic cross-section of the contact panel of Fig. 2 A along hatching line I-I '.
Fig. 3 is the enforcement state of the compound non-conductive layer of one embodiment of the invention.
Fig. 4 is the enforcement state of the compound non-conductive layer of another embodiment of the present invention.
Fig. 5 is the diagrammatic cross-section of the contact panel of second embodiment of the invention.
Fig. 6 is the diagrammatic cross-section of the contact panel of third embodiment of the invention.
Fig. 7 is the diagrammatic cross-section of the contact panel of fourth embodiment of the invention.
Fig. 8 is the diagrammatic cross-section of the contact panel of fifth embodiment of the invention.
Fig. 9 is the diagrammatic cross-section of the contact panel of sixth embodiment of the invention.
Reference numeral:
100～600: contact panel
102: the operational zone
104,404,504,604: the surrounding zone
110: substrate
112: the first sides
114: the second sides
120,220,320: compound non-conductive layer
122,126: the first non-conductive layers
124,128: the second non-conductive layers
130: light shield layer
140: touch control component
142: the first sensing tandems
144: the second sensing tandems
150: lead
360,460,670: hard conating
462,512,672: micro-prism structure
C1, C2: connecting line
S1, S2: sensor mat
I: insulating pattern
I-I ': hatching line
PV: protective seam
Embodiment
Fig. 1 is the diagrammatic cross-section of contact panel of the present invention.The surrounding zone 104 that contact panel 100 has an operational zone 102 and centers on operational zone 102.Particularly, contact panel 100 comprises a substrate 110, compound non-conductive layer 120, a light shield layer 130 and a touch control component 140.Touch control component 140 can be the conductive layer of individual layer, also can be made up of a plurality of sensing tandems, can also be made up of a plurality of independently sensing units.Following examples will be explained the design of contact panel 100 with the touch control component 140 that a plurality of sensing tandems are formed, but the present invention is not as limit.
Fig. 2 A looks synoptic diagram on the contact panel of first embodiment of the invention, and Fig. 2 B is the diagrammatic cross-section of the contact panel of Fig. 2 A along hatching line I-I '.Please be simultaneously with reference to Fig. 2 A and Fig. 2 B, the surrounding zone 104 that contact panel 100 has an operational zone 102 and centers on operational zone 102.Particularly, contact panel 100 comprises a substrate 110, compound non-conductive layer 120, a light shield layer 130 and a touch control component 140.Touch control component 140 is disposed on the substrate 110 and is arranged in operational zone 102.Compound non-conductive layer 120 is disposed on the substrate 110 and is arranged in surrounding zone 104 at least.Light shield layer 130 is disposed on the substrate 110 and is arranged in surrounding zone 104, and wherein compound non-conductive layer 120 is positioned at the side that light shield layer 130 approaches substrate 110.
In the present embodiment, substrate 110 for example has the first relative side 112 and second side 114.Substrate 110 can be plastic substrate or glass substrate, also can be to cover eyeglass (cover glass).For example can touch in first side 112 when the user uses contact panel 100, and touch control component 140, light shield layer 130 and compound non-conductive layer 120 for example all are positioned at second side 114 of substrate 110.But, the present invention is not as limit, and in other embodiments, light shield layer 130 and compound non-conductive layer 120 optionally are disposed at first side 112 of substrate 110.
In addition, compound non-conductive layer 120 is for example piled up by a plurality of non-conductive layer and forms, and the material of adjacent two layers non-conductive layer differs from one another.The integral thickness of compound non-conductive layer 120 for example is not more than 500nm, even less than 300nm, and the optical density (OD) of compound non-conductive layer 120 (Optical Density is OD) for example greater than 3.In detail, Fig. 3 is the enforcement state of the compound non-conductive layer of one embodiment of the invention.Please be simultaneously with reference to Fig. 2 B and Fig. 3, compound non-conductive layer 120 is made up of one deck first non-conductive layer 122 and 124 of one deck second non-conductive layers at least, but the present invention does not limit the quantity of non-conductive layer.In the present embodiment; At least one first non-conductive layer 122 alternately disposes with at least one second non-conductive layer 124; And between substrate 110 and light shield layer 130, and one of substrate 110 be first non-conductive layer 122 recently at least one first non-conductive layer 122 and at least one second non-conductive layer 124.In fact; At least one first non-conductive layer 122 can alternately be disposed at the side that light shield layer 130 approaches substrate 110 with at least one second non-conductive layer 124, that is to say at least one first non-conductive layer 122 and at least one second non-conductive layer 124 alternately the be disposed at light shield layer 130 the top.
The refractive index of first non-conductive layer 122 for example is different from the refractive index of second non-conductive layer 124, and first non-conductive layer 122 and second non-conductive layer 124 for example are to pile up in regular turn.What deserves to be mentioned is that the refractive index of first non-conductive layer 122 can be greater than the refractive index of second non-conductive layer 124.The material of first non-conductive layer 122 can be titanium dioxide (TiO
2), niobium oxide (Nb
2O
5), tantalum oxide (Ta
2O
5) or zirconia (ZrO
2), and the material of second non-conductive layer 124 can be monox (SiO
2) or aluminium oxide (Al
2O
3).
In the present embodiment, first non-conductive layer 122 and second non-conductive layer 124 for example are that (Non-Metal Vacuum Metalization, mode NMVM) is formed on the substrate 110 the nonmetal vacuum metal film plating of employing.Therefore, the integral thickness of compound non-conductive layer 120 little (can less than 300nm), and can not cause the thickness of contact panel 100 surrounding zones 104 significantly to increase.In addition, the refractive index of first non-conductive layer 122 and second non-conductive layer 124 is different, and first non-conductive layer 122 and second non-conductive layer 124 are alternately stacked.Thus, after compound non-conductive layer 120 can let extraneous light be reflected with being provided with of light shield layer 130, and demonstrate specific color.
Particularly, light can pass through compound non-conductive layer 120 after getting into substrate 110 by the external world.The refractive index of first non-conductive layer 122 and second non-conductive layer 124 is different in the compound non-conductive layer 120, and first non-conductive layer 122 and second non-conductive layer 124 are alternately stacked.So light can receive the refraction of part and the reflection of part at the intersection of the first adjacent non-conductive layer 122 and second non-conductive layer 124.Then, irradiate light can be penetrated extraneous by light shield layer 130 reflections behind light shield layer 130.At this moment, the reflected light that is reflected at different intersections and will have different optical path poor (optical pathdiferrence) at the reflected light that light shield layer 130 is reflected.The reflected light of different optical path differences can interfere with each other, and the light that the user is seen has certain wavelengths, and it presents specific color.Thus, contact panel 100 can have colored surrounding zone 104, and the color that surrounding zone 104 is appeared has desirable saturation degree.
In one embodiment, the color that surrounding zone 104 appeared is for example along with the material of first non-conductive layer 122 and second non-conductive layer 124 and thickness and change.For example; The material of first non-conductive layer 122 is a titanium dioxide; And the material of second non-conductive layer 124 is when being monox, if the thickness of each rete of compound non-conductive layer 120 is 48nm, 94nm, 69nm and 94nm in regular turn, then the color that appeared of surrounding zone 104 can be blue.Under same material, when the thickness of each rete of compound non-conductive layer 120 was 40nm, 90nm, 94nm and 114nm in regular turn, the color that surrounding zone 104 is appeared can be green.In addition, when the thickness of each rete of compound non-conductive layer 120 was 40nm, 80nm, 104nm and 45nm in regular turn, the color that surrounding zone 104 is appeared can be red.The deviser can produce multiple contact panel 100 with different colours surrounding zone 104 and more select so that the user to be provided by the material and the thickness of adjustment first non-conductive layer 122 and second non-conductive layer 124.
In addition, Fig. 4 is the enforcement state of the compound non-conductive layer of another embodiment of the present invention.Please be simultaneously with reference to Fig. 2 B and Fig. 4, compound non-conductive layer 120 has for example comprised one first non-conductive layer 126 and one second non-conductive layer 128.That is to say that the composite conducting layer 120 of present embodiment is made up of two-layer non-conductive material layer in fact.In the present embodiment, the material of first non-conductive layer 126 for example is tin (Sn), and the material of second non-conductive layer 128 for example is tin oxide (SnO).What deserves to be mentioned is,, therefore not have electric conductivity because thickness less than 40nm, is discontinuous island structure under the microcosmic though first non-conductive layer 126 is made with tin.Thus, can avoid between tin layer (that is first non-conductive layer 126) and the touch control component 140 taking place coupling or electrically on interference.
In the present embodiment, first non-conductive layer 126 and second non-conductive layer 128 for example are that (Non-Conductive Vacuum Metalization, mode NCVM) is formed on the substrate 110 via the non-conducting vacuum metal coating.First non-conductive layer 126 is extraneous ray of reflecting partly for example, and light shield layer 130 also can extraneous ray of reflecting.The reflected light that is come out by the reflection of first non-conductive layer 126 and light shield layer 130 reflect the reflected light that comes out, and to have different optical path poor.Therefore, under two catoptrical interference effects, the user can see that contact panel 100 has colored surrounding zone 104.In addition, in the present embodiment, the thickness of first non-conductive layer 126 has determined light in this ratio that is reflected, and the thickness of second non-conductive layer 128 can determine the color that surrounding zone 104 is appeared.In addition, because the material of first non-conductive layer 126 is a metallic tin, can make the surrounding zone 104 of contact panel 100 present metallic luster so adopt first non-conductive layer 126 and second non-conductive layer 128 to constitute compound non-conductive layer 120.
In addition, please be simultaneously with reference to Fig. 2 A and Fig. 2 B, light shield layer 130 for example is the rete that ink lay, shading resin bed, shading photoresist layer, silit (SiC) layer, type diamond layer or other shading materials are constituted.And, in the contact panel 100 of present embodiment, for example adopt a plurality of first sensing tandems 142 and a plurality of second sensing tandem 144 to constitute touch control component 140.Each first sensing tandem 142 comprises a plurality of sensor mat S1 and many connecting line C1, and wherein connecting line C1 is serially connected sensor mat S1 along a direction.Each second sensing tandem 144 comprises a plurality of sensor mat S2 and many connecting line C2, and wherein connecting line C2 is serially connected sensor mat S2 along other direction.For fear of the first sensing tandem 142 and 144 short circuits of the second sensing tandem together, also be provided with an insulating pattern I between connecting line C1 and the connecting line C2.In addition, touch control component 140 still comprises a protective seam PV, and it covers the first sensing tandem 142 and the second sensing tandem 144.
In the present embodiment, sensor mat S1 can be made by identical transparent conductive material layer with the second sensing tandem 144.Then, on connecting line C2, form insulating pattern I.Thereupon, on insulating pattern I, form connecting line C1.At this moment, connecting line C1 is positioned at the side of insulating pattern I away from substrate 110.At last, be to form on the first sensing tandem 142 and the second sensing tandem 144 protective seam PV.But, the present invention is not as limit.
In other embodiment, making the sensor mat S1 and the second sensing tandem 144 before can be prior to forming connecting line C1 on the substrate 110.And just the sensor mat S1 and the second sensing tandem 144 are made on the substrate 110 after on connecting line C1, forming insulating pattern I.Therefore, connecting line C2 can be between insulating pattern I and substrate 110.At last, on the first sensing tandem 142 and the second sensing tandem 144, form protective seam PV.In one embodiment, insulating pattern I can be the insulation course with opening, and the both ends that opening exposes connecting line C1 are so that connecting line C1 and sensor mat S1 electric connection.In addition, insulating pattern I also can be the island insulating pattern, and it is established corresponding to the position of connecting line C1 and exposes the both ends of connecting line C1 so that connecting line C1 and sensor mat S1 electric connection.
Generally speaking; Present embodiment does not limit the formation order of sensor mat S1, S2 and connecting line C1, C2 especially, and every sensor mat S1, S2 and connecting line C1, C2 of making constitutes the spirit that the first sensing tandem 142 and the second sensing tandem 144 all meet present embodiment.In addition; For the first sensing tandem 142 and the second sensing tandem 144 are connected in driving circuit or external circuit; Contact panel 100 also includes many leads 150; It is disposed on the substrate 110, is positioned at surrounding zone 104 and is electrically connected at touch control component 140, and wherein lead 150 is positioned at the side of light shield layer 130 away from substrate 110.Thus, light shield layer 130 can cover lead 150 to keep the attractive in appearance of contact panel 100.
Fig. 5 is the diagrammatic cross-section of the contact panel of second embodiment of the invention.Please with reference to Fig. 5, contact panel 200 is roughly the same with contact panel 100, so both components identical will indicate with same-sign, does not give unnecessary details in addition at this.Contact panel 200 is that with contact panel 100 both main differences in the contact panel 200, compound non-conductive layer 220 not only is arranged in the surrounding zone 104 and also is arranged in the operational zone 102.In other words, the compound non-conductive layer 220 of present embodiment is that whole ground is laid on the substrate 110, but not only is arranged on the surrounding zone 104.
Fig. 6 is the diagrammatic cross-section of the contact panel of third embodiment of the invention.Please with reference to Fig. 6, contact panel 300 is roughly the same with contact panel 100, so both components identical will indicate with same-sign, does not give unnecessary details in addition at this.Contact panel 300 is that with contact panel 100 both main differences in the contact panel 300, compound non-conductive layer 320 is arranged at first side 112 of substrate 110, and contact panel 300 also comprises a hard conating 360.Hard conating 360 is disposed at substrate 110 and covers compound non-conductive layer 320 so that protection and effect such as scratch resistant to be provided away from first side 112 of touch control component 140 and hard conating 360.
Fig. 7 is the diagrammatic cross-section of the contact panel of fourth embodiment of the invention.Please with reference to Fig. 7, contact panel 400 is roughly the same with contact panel 300, so both components identical will indicate with same-sign, does not give unnecessary details in addition at this.Contact panel 400 is that with contact panel 300 both main differences contact panel 400 also includes a plurality of micro-prism structures 462 that are arranged on the hard conating 460 in surrounding zone 404.By micro-prism structure 462 reflections or refraction incident light, with the prism lines of generation stereoscopic visual effect and the texture and the gloss of metal.
Fig. 8 is the diagrammatic cross-section of the contact panel of fifth embodiment of the invention.Please with reference to Fig. 8, contact panel 500 is roughly the same with contact panel 400, so both components identical will indicate with same-sign, does not give unnecessary details in addition at this.Contact panel 500 is with contact panel 400 both main differences, and a plurality of micro-prism structures 512 of contact panel 500 in surrounding zone 504 for example are to be formed on first side 112 of substrate 110 through patterning step such as laser carved, etchings.
Fig. 9 is the diagrammatic cross-section of the contact panel of sixth embodiment of the invention.Please with reference to Fig. 9, contact panel 600 is roughly the same with contact panel 100, so both components identical will indicate with same-sign, does not give unnecessary details in addition at this.Contact panel 600 is with contact panel 100 both main differences, and contact panel 600 604 comprises that also one has the hard conating 670 of a plurality of micro-prism structures 672 in the surrounding zone, and it is arranged between substrate 110 and the compound non-conductive layer 120.
In sum, the present invention is provided with above light shield layer by different material layer and piles up the compound non-conductive layer that forms.Compound non-conductive layer has different optical path differences with the reflected light that light shield layer is reflected.Therefore under reflected light interfered with each other, the surrounding zone that contact panel is provided with compound non-conductive layer and light shield layer can have color.Thus, the outward appearance of contact panel will be more diversified, and can meet the demand of user to product appearance.
Though the present invention discloses as above with embodiment, so it is not in order to limiting the present invention, any under the those of ordinary skill of technical field, when can doing a little change and retouching, and do not break away from the spirit and scope of the present invention.
Claims (17)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101471450A CN102810020A (en) | 2011-06-02 | 2011-06-02 | touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101471450A CN102810020A (en) | 2011-06-02 | 2011-06-02 | touch panel |
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| Publication Number | Publication Date |
|---|---|
| CN102810020A true CN102810020A (en) | 2012-12-05 |
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ID=47233734
Family Applications (1)
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|---|---|---|---|
| CN2011101471450A Pending CN102810020A (en) | 2011-06-02 | 2011-06-02 | touch panel |
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