CN207867471U - Touch panel and touch sensing winding - Google Patents

Abstract

A kind of touch panel includes substrate, perimeter leads, label, the first covering and the second covering.Perimeter leads are set on substrate, and perimeter leads have side wall and upper surface；Label is set on substrate, and label has side wall and upper surface.First covering covers the upper surface of perimeter leads, the upper surface of the second covering overlay marks, wherein the first covering and the second covering include metal Nanowire.More propose a kind of touch sensing winding.

Description

Touch panel and touch sensing winding

Technical field

The utility model is related to touch panels and touch sensing winding.

Background technology

In recent years, transparent conductor can allow light to pass through simultaneously and provide electric conductivity appropriate, thus be commonly applied to many displays Or in the relevant device of touch-control.In general, transparent conductor can be various metal oxides, such as tin indium oxide (Indium Tin Oxide, ITO), indium zinc oxide (Indium Zinc Oxide, IZO), cadmium tin (Cadmium Tin Oxide, ) or Al-Doped ZnO (Aluminum-doped Zinc Oxide, AZO) CTO.However, these metal-oxide films can not Meet the flexible demand for showing equipment.Therefore, the transparent conductor of a variety of pliabilities has been developed now, such as utilizes Nanowire Transparent conductor made by equal materials.

However, still there are many problems to be solved for the process technique of the Nanowire, such as made using Nanowire The lead of touch control electrode, Nanowire and peripheral region need to reserve bit errors region, the bit errors region when being aligned It causes the lead size of peripheral region that can not reduce, and then causes the width of peripheral region larger, especially with roll-to-roll (Roll to Roll the deformation quantity of) processing procedure, base material causes the size in the bit errors region more to amplify (such as 150um) so that peripheral region Width minimum only reach 2.5mm, therefore cannot be satisfied the narrow frame demand of display.

Utility model content

In some embodiments of the utility model, formed by metal Nanowire by least through design perimeter leads The first covering covering and label covered by being at least formed by the first covering by metal Nanowire, use and reach It is not required to the effect in bit errors region when reserved contraposition, with the smaller perimeter leads of formation width, and then meets narrow frame Demand.In addition, in some embodiments of the utility model, it is proposed that new touch sensing rewinding structure, thus generate not It is same as previous touch panel structure provided.

Some embodiments according to the present utility model, a kind of touch panel, which is characterized in that include：One substrate, wherein The substrate has a viewing area and a peripheral region；Multiple perimeter leads are set on the substrate, and each of perimeter leads have One side wall and a upper surface；Multiple labels are set on the substrate, and each of label has one side wall and a upper surface；It is more A first covering and multiple second coverings, those first coverings cover the upper surface of those perimeter leads, those the Two coverings cover the upper surface of those labels, wherein each of first covering and each of second covering include Metal Nanowire, those perimeter leads, those label, those first coverings and those second coverings are set to the substrate The peripheral region；And a touch-control sensing electrode, it is set to the viewing area of the substrate, which is electrically connected should A little perimeter leads.

In some embodiments of the utility model, further include：One film layer, cover the touch-control sensing electrode, those First covering and those second coverings.

In some embodiments of the utility model, further includes and be separately positioned on the viewing area and led with the non-of the peripheral region Electric region.

In some embodiments of the utility model, have a material identical with the film layer made in non-conducting areas At filled layer.

In some embodiments of the utility model, each of first covering have one side, the side with should The side wall of a little perimeter leads is a common etching face.

In some embodiments of the utility model, each of second covering have one side, the side with should The side wall marked a bit is a common etching face.

In some embodiments of the utility model, the side wall that the side wall of those perimeter leads is marked with those is not There are the metal Nanowires.

In some embodiments of the utility model, label includes docking alignment mark.

In some embodiments of the utility model, the width of perimeter leads is 5um-20um, those adjacent peripheries The distance between lead is 5um-20um.

In some embodiments of the utility model, perimeter leads are made with those labeled as metal material；The touch-control Induction electrode includes metal Nanowire.

Some embodiments according to the present utility model, a kind of touch sensing winding, which is characterized in that include：One base Plate, is wherein provided with multiple touch panels on the substrate, each of touch panel includes：Multiple perimeter leads, are set to this On substrate, each of perimeter leads have one side wall and a upper surface；Multiple first coverings, the covering of those first coverings The upper surface of those perimeter leads, those perimeter leads are set to the one of each of touch panel with those first coverings Peripheral region；And a touch-control sensing electrode, it is set to a viewing area of each of touch panel, the touch-control sensing electrode is electrical Connect those perimeter leads；Multiple labels are set on the substrate, and each of label has one side wall and a upper surface；With And multiple second coverings, those second coverings cover the upper surface of those labels, wherein each of first covering And each of second covering includes metal Nanowire.

In some embodiments of the utility model, further include：One film layer, cover the touch-control sensing electrode, those First covering and those second coverings.

In some embodiments of the utility model, further includes and be separately positioned on the viewing area and led with the non-of the peripheral region Electric region.

In some embodiments of the utility model, have a material identical with the film layer made in non-conducting areas At filled layer.

In some embodiments of the utility model, each of first covering have one side, the side with should The side wall of a little perimeter leads is a common etching face.

In some embodiments of the utility model, each of second covering have one side, the side with should The side wall marked a bit is a common etching face.

In some embodiments of the utility model, there is no have the gold for the side wall of perimeter leads and the side wall of label Belong to Nanowire.

In some embodiments of the utility model, those labels include this week for being set to each of touch panel The docking alignment mark in border area, or the cutting alignment mark that is set between those adjacent touch panels, or it is set to the substrate On alignment mark, bearing mark, dimension mark or number/word marking.

In some embodiments of the utility model, the width of perimeter leads is 5um-20um, those adjacent peripheries The distance between lead is 5um-20um.

In some embodiments of the utility model, perimeter leads are made with those labeled as metal material；The touch-control Induction electrode includes metal Nanowire.

Description of the drawings

Fig. 1 is the upper schematic diagram according to the touch panel of some embodiments of the utility model.

Figure 1A is the diagrammatic cross-section of the line A-A along Fig. 1.

Figure 1B is the diagrammatic cross-section of the line B-B along Fig. 1.

Fig. 2 is upper depending on showing after being assembled with flexible circuit board according to the touch panel of some embodiments of the utility model It is intended to.

Fig. 3 A are the diagrammatic cross-section of the alternate embodiment of the line A-A of Fig. 1.

Fig. 3 B are the diagrammatic cross-section of the alternate embodiment of the line B-B of Fig. 1.

Fig. 4 is the upper schematic diagram according to the touch panel of another embodiment of the utility model.

Fig. 5 is the diagrammatic cross-section according to the touch panel of another embodiment of the utility model.

Fig. 6 is the schematic diagram according to the touch sensing winding of the embodiment of the utility model.

Reference sign：

100：Touch panel

110：Substrate

120：Perimeter leads

122：Side wall

124：Upper surface

140：Label

142：Side wall

144：Upper surface

130：Film layer

136：Non-conducting areas

140：Metal Nanowire

160：Shielded wire

170：Flexible circuit board

VA：Viewing area

PA：Peripheral region

BA：Bonding land

TE1：First touch control electrode

TE2：Second touch control electrode layer

TE、TE1、TE2：Touch control electrode

C1：First covering

C1L：Side

C2：Second covering

C2L：Side

C3：Third covering

D1：First direction

D2：Second direction

Specific implementation mode

Multiple embodiments that the utility model will be disclosed with schema below, as clearly stated, in many practices Details will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied to limit this practicality newly Type.That is, in the utility model some embodiments, the details in these practices is non-essential.In addition, to simplify For the sake of schema, some known usual structures and component in the drawings by a manner of simply illustrating for it.

About " about " used herein, " about " or " substantially ", generally refer to numerical value error or range in percentage 20 within, be preferably within 10, be more preferably within 5 percent.Wen Zhongruo is without clearly stating, institute The numerical value referred to is all considered as approximation, that is, has error or range as represented by " about ", " about " or " substantially ".

Fig. 1 is the upper schematic diagram according to the touch panel 100 of some embodiments of the utility model.Touch panel 100 include substrate 110, perimeter leads 120, label 140, the first covering C1, the second covering C2 and touch-control sensing electrode TE, above-mentioned perimeter leads 120, label 140, the first covering C1, the second covering C2 and touch-control sensing electrode TE number Amount can be one or more, and the quantity drawn in following specific embodiment and schema is only to explain to be used, and be not limiting as this Utility model.Refering to fig. 1, there is substrate 110 viewing area VA and peripheral region PA, peripheral region PA to be set to the side of viewing area VA, Such as peripheral region PA can be then the frame-type region for the surrounding (covering right side, left side, upside and downside) for being set to viewing area VA, But in other embodiments, peripheral region PA can be set to the left side of viewing area VA and the L-type region of downside for one.For another example Fig. 1 institutes Show, the present embodiment shares eight groups of perimeter leads 120 and first covering C1 corresponding with perimeter leads 120 is set to substrate 110 peripheral region PA；Touch-control sensing electrode TE is set to the viewing area VA of substrate 110.The present embodiment more have two group echos 140 with And second covering C2 corresponding with label 140 is set to the peripheral region PA of substrate 110, by by the first covering C1 and Two covering C2 are respectively arranged at the upper surface 122 of perimeter leads 120 and the upper surface 144 of label 140, make upper layer and lower layer material It is not necessary to contraposition and is just molded over scheduled position, therefore the need for being reduced or avoided and bit errors region being set in processing procedure can be reached It asks, uses the width for reducing peripheral region PA, and then reach the narrow frame demand of display.

Specifically, perimeter leads 120 can be preferable for electric conductivity with label 140 in some embodiments of the utility model Metal constituted, preferably single-layer metal structure, such as silver layer, layers of copper etc.；Or be multi-layered conductive structure, such as molybdenum/aluminium/ Molybdenum, copper/nickel, titanium/aluminium/titanium, molybdenum/chromium etc., above-mentioned metal structure is preferably opaque, for example, visible light (such as wavelength between Light transmittance (Transmission) 400nm-700nm) is less than about 90%；And the first covering C1, the second covering C2 are then Can be metal Nanowire (metal nano-wires) layer including at least metal Nanowire, such as nanometer silver wire (silver Nano-wires) layer, nanometer gold thread (gold nano-wires) layer or nanometer copper wire (copper nano-wires) layer institute structure At；In more detail, " metal Nanowire (metal nano-wires) " system used herein is a collective noun, refers to and includes The set of the metal wire of multiple metal elements, metal alloy or metallic compound (including metal oxide), metal contained therein The quantity of Nanowire has no effect on the protection domain that the utility model is advocated；And at least one section of single metal Nanowire Face size (i.e. the diameter in section) is less than about 500nm, preferably less than about 100nm, and more preferably less than about 50nm；And the utility model It is so-called to be " line (wire) " metal nanometer structure, mainly have high aspect ratio, such as between about 10 to 100,000 it Between, in more detail, the aspect ratio (length of metal Nanowire：The diameter in section) 10 can be greater than about, 50 are preferably greater than about, and more Good greater than about 100；Metal Nanowire can be any metal, including but not limited to silver, gold, copper, nickel and vermeil.And its His term, silk (silk), fiber (fiber), pipe (tube) if etc. equally there is above-mentioned size and high aspect ratio, also for The scope that the utility model is covered.

The touch-control sensing electrode TE of the present embodiment is set to viewing area VA, and touch-control sensing electrode TE can be electrically connected periphery and draw Line 120.Specifically, touch-control sensing electrode TE equally can be the metal Nanowire (metal including at least metal Nanowire Nano-wires) layer, that is to say, that metal Nanowire forms touch-control sensing electrode TE in viewing area VA, and in peripheral region PA shapes At the first covering C1, thus touch-control sensing electrode TE can reach by the first covering C1 and the contact of perimeter leads 120 with Perimeter leads 120 reach the transmission for being electrically connected and carrying out carrying out signal.And metal Nanowire can also form second in peripheral region PA Covering C2, is set to the upper surface 144 of label 140, and label 140 can widely be read as the figure of non-electrical functionality Sample, but not limited to this.In the section Example of the utility model, perimeter leads 120 and the metal that label 140 can be same layer (i.e. the two is identical metal material) made by layer；Touch-control sensing electrode TE, the first covering C1 and the second covering C2 can Made by metal Nanowire layer for same layer.

Figure 1A and Figure 1B is respectively the line A-A of Fig. 1 and the sectional view of line B-B.Please referring initially to Figure 1A, as shown in Figure 1A, the One covering C1, the second covering C2 be separately formed and cover perimeter leads 120 upper surface 124 and label 140 upper table Face 144.And in some embodiments of the utility model, metal Nanowire can be nanometer silver wire.For convenience of explanation, herein The section of perimeter leads 120 and label 140 be by a quadrangle (such as Figure 1A draw rectangle), but perimeter leads The structure kenel or quantity of side wall 142 of 120 side wall 122 with upper surface 124, with label 140 and upper surface 144 all can be according to realities Border is applied and is changed, and is not limited with schema with the word of this paper.

In the present embodiment, label 140 is provided in the bonding land BA of peripheral region PA, to dock alignment mark, also It is by a external circuit board, such as (i.e. bonding steps) is used the step of flexible circuit board 170 is connected to touch panel 100 In the mark (Fig. 2 please be coordinate) for aligning flexible circuit board 170 and touch panel 100.However, the utility model and unlimited The placement location or function of label 140 processed, for example, label 140 can be it is any needed for processing procedure check mark, pattern or Label is the scope of the utility model protection.Label 140 can have any possible shape, such as circle, quadrangle, ten Font, L-shaped, T shapes etc..On the other hand, perimeter leads 120 extend to the part of bonding land BA and can be referred to interconnecting piece again (bonding section), is same as previous embodiment, and in bonding land, the upper surface of the interconnecting piece of BA is equally by the first covering C1 It is covered.

As illustrated in figures 1A and ib, in the PA of peripheral region, there is non-conducting areas 136 between adjacent peripheral lead 120, with It electrically blocks adjacent peripheral lead 120 and then avoids short circuit.That is, having between the side wall 122 of adjacent peripheral lead 120 Non-conducting areas 136, and in the present embodiment, non-conducting areas 136 is a gap, to completely cut off adjacent peripheral lead 120.And In the step of first covering C1 is set to perimeter leads 120, etching method can be used and make above-mentioned gap, therefore perimeter leads The side C1L of 120 side wall 122 and the first covering C1 are a common etching face, and are mutually aligned, that is to say, that perimeter leads The side C1L of 120 side wall 122 and the first covering C1 are molded in the same etching step；Similar, label 140 Side wall 142 and the side C2L of the second covering C2 be a common etching face, and be mutually aligned.In one embodiment, periphery is drawn The side wall 142 of the side wall 122 of line 120 and label 140 can be deposited because of above-mentioned etching step without the metal Nanowire described in having Thereon.In more detail, have between bonding land BA shown in figure 1A, abutting connection (bonding section) Non-conducting areas 136, and the side C1L of the side wall 122 of interconnecting piece (bonding section) and the first covering C1 are altogether Same etching face.Furthermore perimeter leads 120 and the first covering C1 can have identical or approximate pattern and size, such as be length The pattern of straight shape etc., and it is of same size or approximate；Label 140 similarly has identical or approximate pattern with the second covering C2 Such as it is that radius is identical or the approximate round, length of side is identical or approximate quadrangle is other same or approximate with size The pattern of cross, L-shaped, T shapes etc..

As shown in Figure 1B, in the VA of viewing area, there is non-conducting areas 136, with electricity between adjacent touch induction electrode TE Property block and adjacent touch induction electrode TE and then avoid short circuit.That is, having between the side wall of adjacent touch induction electrode TE There is non-conducting areas 136, and in the present embodiment, non-conducting areas 136 is a gap, to completely cut off adjacent touch induction electrode TE；In one embodiment, the gap between above-mentioned etching method making adjacent touch induction electrode TE can be used.In the present embodiment In, touch-control sensing electrode TE and the first covering C1 can utilize the metal Nanowire layer (such as nanometer silver wire layer) of same layer made, Therefore in the intersection of viewing area VA and peripheral region PA, metal Nanowire layer can form a climbing structure, with sharp metal Nanowire layer The upper surface 124 of perimeter leads 120 is shaped and covered, and forms the first covering C1.

In some embodiments of the utility model, C2 points of the first covering C1 of touch panel 100 and the second covering It is not set to the upper surface 122 of perimeter leads 120 and the upper surface 144 of label 140, can reach and be reduced or avoided in processing procedure The demand in bit errors region is set, uses the width for reducing peripheral region PA, and then reach the narrow frame demand of display.Specifically For, the width of the perimeter leads 120 of the touch panel 100 of the utility model some embodiments is 5um-20um, adjacent week The distance between side lead 120 is 5um-20um, and preferably the width of the perimeter leads 120 of touch panel 100 is 3um-20um, The distance between adjacent peripheral lead 120 is 3um-20um, and the width of peripheral region PA can also be less than the size of 2mm, The peripheral region PA sizes of more traditional reduction of touch panel 100 about 20% or more.

Fig. 2 then shows the package assembly after flexible circuit board 170 and touch panel 100 are aligned, wherein flexible circuit The electronic pads (not being painted) of plate 170, which can pass through conducting resinl (not being painted, such as anisotropic conductive adhesive paste) and be electrically connected, is located at substrate 110 On bonding land BA perimeter leads 120.In some embodiments, the first covering C1 positioned at bonding land BA can be opened up It is open (not being painted), and exposes perimeter leads 120, conducting resinl (such as anisotropic conductive adhesive paste) can insert opening for the first covering C1 Mouthful and be in direct contact perimeter leads 120 and form conductive path.In present embodiment, touch-control sensing electrode TE is with noninterlaced It is arranged.For example, touch-control sensing electrode TE is the long strip type electrode extended along first direction D1, does not generate friendship each other Mistake, but in other embodiment, touch-control sensing electrode TE can have proper shape, new without that should limit this practicality with this The range of type.In present embodiment, touch-control sensing electrode TE uses the configuration of single layer, and each touch-control sense is detected wherein can penetrate The capacitance variation of itself of electrode TE is answered, and obtains position of touch.

In one embodiment, touch panel 100 may include that film layer 130, Fig. 3 A and Fig. 3 B are respectively that film layer 130 takes shape in After stating embodiment, the line A-A of Fig. 1 and the sectional view of line B-B.In one embodiment, film layer 130 is comprehensive covering touch surface Plate 100, that is to say, that film layer 130 is covered on touch-control sensing electrode TE, the first covering C1 and the second covering C2.Such as Shown in Fig. 3 A and Fig. 3 B, in the PA of peripheral region, film layer 130 covers on the first covering C1 and the second covering C2, film layer 130 and insert the non-conducting areas 136 between adjacent peripheral lead 120, that is to say, that non-between adjacent peripheral lead 120 With the filled layer made by a material identical with film layer 130 in conductive region 136, isolation adjacent peripheral lead 120 is used. In addition, for single group of corresponding perimeter leads 120 and the first covering C1, film layer 130 can surround on described single group Under corresponding perimeter leads 120 and the first covering C1, specifically, film layer 130 can cover and contact the first covering C1 Upper surface, the side wall 122 of perimeter leads 120 and the first covering C1 side C1L；That is, each perimeter leads 120 With one side wall 122 and a upper surface 124, every 1 first covering C1 has one side C1L, side C1L mutual with side wall 122 Alignment and contact filled layer (or film layer 130), and the upper surface of the first corresponding perimeter leads 120 of covering C1 contacts 124.Similar, for single group of corresponding label 140 and the second covering C2, film layer 130 can surround described single group Upper and lower 140 and second covering C2 of corresponding label, specifically, film layer 130 can cover simultaneously the upper surface of the second covering C2, The side C2L of the side wall 142 of label 140 and the second covering C2；That is, each label 140 have one side wall 142 and There is side C2L, side C2L to be mutually aligned with side wall 142 and contact this and filled out by one upper surface 144, every 1 second covering C2 Fill layer (or film layer 130), the upper surface 144 of the every 1 second corresponding label 140 of covering C2 contacts.

As shown in Figure 3B, in the VA of viewing area, film layer 130 is covered on touch-control sensing electrode TE, and film layer 130 is simultaneously inserted Non-conducting areas 136 between adjacent touch induction electrode TE, that is to say, that non-conductive between adjacent touch induction electrode TE With the filled layer made by a material identical with film layer 130 in region 136, isolation adjacent touch induction electrode TE is used.

In the present embodiment, it is preferable with film layer 130 to be formed by composite construction by the touch-control sensing electrode TE of viewing area VA Ground is conductive and translucency, for example, the light of the visible light (such as wavelength is between about 400nm-700nm) of the composite construction is worn Saturating rate (Transmission) can be greater than about 80%, and surface resistivity (surface resistance) is about 10 to 1000 Between Ω/ (ohm/square)；Preferably, the light of the visible light (such as wavelength is between about 400nm-700nm) of composite construction Penetrance (Transmission) is greater than about 85%, and surface resistivity (surface resistance) about 50 to 500 Ω/ Between (ohm/square).

And in some embodiments of the utility model, film layer 130 can be polyethylene (polyethylene；PE), gather Propylene (Polypropylene；PP), polyvinyl butyral (Polyvinyl butyral；PVB), makrolon (polycarbonate；PC), acrylonitrile-butadiene-styrene copolymer (Acrylonitrile butadiene styrene；ABS), poly- (3,4- stretches ethylenedioxy thiophene) (PEDOT), poly- (styrene sulfonic acid) (PSS) or ceramic material etc. Deng.In a kind of embodiment of the utility model, film layer 130 can be following polymer, but not limited to this:Polyacrylic tree Fat, such as polymethacrylates (for example, poly- (methyl methacrylate)), polyacrylate and polyacrylonitrile；Polyvinyl alcohol； Polyester (for example, polyethylene terephthalate (PET), polyester naphthalate and makrolon)；It is poly- with high aromaticity Object is closed, such as phenolic resin or cresol/formaldehyde, polyvinyl-toluene, polyvinyl dimethylbenzene, polyimides, gather polystyrene Amide, polyetherimide, polysulfide, polysulfones, gathers and stretches phenyl and polyphenyl ether polyamidoimide；Polyurethane (polyurethane；PU)；Epoxy resin；Polyolefin (such as polypropylene, polymethylpentene and cycloolefin)；Cellulose；Poly- silicon Oxygen and other silicon-containing polymers (such as poly- silsesquioxane and polysilane)；Polyvinyl chloride (PVC)；Poly- acetic acid esters；Poly- norborneol Alkene；Synthetic rubber is (for example, EP rubbers (ethylene-propylene rubber；EPR), butadiene-styrene rubber (styrene- Butadiene Rubber；SBR), ethylene propylene diene rubber (ethylene-Propylene-Diene Monomer；EPDM)；And Fluoropolymer (for example, Kynoar, polytetrafluoroethylene (PTFE) (TFE) or polyhexafluoropropylene)；Fluoro-olefin is total to hydrocarbon alkene Polymers etc..In other embodiments, it can be used with silica, mullite, aluminium oxide, SiC, carbon fiber, MgO-Al₂O₃- SiO₂、Al₂O₃-SiO₂Or MgO-Al₂O₃-SiO₂-Li₂The inorganic material such as O.

In addition, above-mentioned film layer 130 can be with metal Nanowire (such as the first covering C1, the second covering C2 or touch-control sense Answer electrode TE) it forms composite construction and there are certain specific chemistry, machinery and optical characteristics, such as the first covering is provided The tackness of C1, the second covering C2 and substrate 110, or preferably entity mechanical strength, therefore film layer 130 can be referred to base again Matter (matrix).Another aspect makes film layer 130 using certain specific polymer, makes the first covering C1, the second covering C2 has the surface protection of additional anti-scratch scrape along abrasion, and in this case, film layer 130 can be referred to hard conating (hard again Coat), using polyacrylate, epoxy resin, polyurethane, polysilane, poly- silica, poly- (silicon-acrylic acid) etc. The first covering C1, the second covering C2 can be made to have higher surface strength to improve resistance to scraping ability.Furthermore in film layer 130 It can be added with UV light stabilizing agent (UV stabilizers), to improve the uvioresistant of the first covering C1, the second covering C2 Line ability.However, above-mentioned is only the possibility for other additional function/titles for illustrating film layer 130, it is not intended to limit this practicality It is novel.It is worth noting that film layer 130 and the first covering C1, the second covering C2 are plotted as different layers by the attached drawing of this paper Structure, but for making the polymer of film layer 130 uncured preceding or metal nanometer can be penetrated into the state of precuring Filler is formed between line, after polymer cures, metal Nanowire can be embedded among film layer 130, that is to say, that this practicality It is novel not limit film layer 130 and metal Nanowire layer (such as the first covering C1, the second covering C2 or touch-control sensing electrode TE the structure between).

Fig. 4 is the upper schematic diagram according to the touch panel 100 of some embodiments of the utility model.Present embodiment Similar to the embodiment of Fig. 1, the difference of the embodiment of present embodiment and Fig. 1 essentially consists in：In present embodiment, touch-control Induction electrode TE is using double-deck configuration.

For the sake of for convenience of description, illustrate that present embodiment uses with the first touch control electrode TE1 and second touch control electrode TE2 Configuration.First touch control electrode TE1 is formed in the one side (such as lower surface) of substrate 110, and touch control electrode layer TEL2 is then formed in base The another side (such as upper surface) of plate 110, makes the first touch control electrode TE1, second touch control electrode TEL2 be electrically insulated from；And it connects In the first touch control electrode TE1 perimeter leads 120 and covering the first covering C1 thereon and be covered on label 140 The second covering C2 the lower surface of substrate is then formed in corresponding to the first touch control electrode TE1.Similarly, it is connected to the second touch-control The perimeter leads 120 of electrode TE2 and the first covering C1 covered thereon and the second covering being covered on label 140 Object C2 is then formed in the upper surface of substrate corresponding to second touch control electrode TE2.First touch control electrode TE1 is multiple along first party The strip electrode arranged to D1, second touch control electrode TE2 are the strip electrode of multiple D2 in a second direction arrangements.Strip Touch-control sensing electrode TE1 is different from the extending direction of strip touch-control sensing electrode TE2, and intermeshes.First touch-control sensing Electrode TE1 and the second touch-control sensing electrode TE2 can transmit control signal and receive touch-control sensing signal respectively.Since then, may be used With via detecting the first touch-control sensing electrode TE1 and the second touch-control sensing electrode TE2 between signal variation (such as capacitance become Change), obtain position of touch.By this setting, user can carry out touch-control sensing in each point on substrate 110.The present embodiment it Touch panel 100 can include more film layer 130, be comprehensive covering touch panel 100, that is to say, that substrate 110 it is upper Lower two sides is both provided with film layer 130, and be covered in the first touch control electrode TE1, second touch control electrode TEL2, the first covering C1 with And second on covering C2.

Fig. 5 is the upper schematic diagram according to the touch panel 100 of some embodiments of the utility model.Present embodiment Similar to the embodiment of Fig. 1, the difference of the embodiment of present embodiment and Fig. 1 essentially consists in：In present embodiment, touch-control Panel 100 further includes the shielded wire 160 for being set to peripheral region PA, and is covered with third on the upper surface of shielded wire 160 and covers Cover material C3.Shielded wire 160 mainly surrounds touch-control sensing electrode TE and perimeter leads 120, and shielded wire 160 can be extended to and be connect It closes area BA and is electrically connected at the ground terminal on flexible circuit board 170, therefore shielded wire 160 can shield or eliminate signal interference Or static discharge (Electrostatic Discharge, ESD) protection, especially human hand encounters the company around touch device Weak current changes caused by connecing conducting wire.

Shielded wire 160 can be made of metal material, and preferably can refer to the explanation of perimeter leads 120 or label 140；The Three covering C3 are then that made by metal Nanowire, preferably can refer to the explanation of the first covering C1 or the second covering C2, And aforementioned embodiments illustrate the shielded wire 160 and third covering C3 that can be covered for the present embodiment.In this practicality In novel section Example, shielded wire 160, perimeter leads 120 and label 140 can be made by the metal layer of same layer (i.e. Three is identical metal material)；Touch-control sensing electrode TE, third covering C3, the first covering C1 and the second covering C2 Can be made by the metal Nanowire layer of same layer.The touch panel 100 of the present embodiment can include more film layer 130, be comprehensive The covering touch panel 100 of property, that is to say, that film layer 130 is in addition to being covered in the first touch control electrode TE1, second touch control electrode On TEL2, the first covering C1 and the second covering C2, also it is covered on third covering C3.

In a part of embodiment, touch panel 100 as described herein can be made by roll-to-roll (Roll to Roll) Journey makes, roll-to-roll (Roll to Roll) coat processing procedure using known equipment and can full automation, can dramatically reduction system Make the cost of touch panel.The specific processing procedure of roll-to-roll coating is as follows:Flexible substrate 110 is selected first, and makes winding The substrate 110 of shape is installed between two idler wheels, using motorised rollers, so that substrate 110 can be along the action between two idler wheels Path carries out successional processing procedure.For example, metal nanometer will be contained using accumulator tank, spraying device, brush-coating device and the like The slurry of line then depositing on the surface of substrate 110 to form metal Nanowire；Using spray head by polymer depositing in substrate On 110 surface, and polymer is solidified into film layer 130.Then, the touch panel 100 completed is by producing line The idler wheel of rearmost end is rolled out to form touch sensing winding.Such as Fig. 6, the touch sensing winding after above-mentioned processing procedure is completed, It can be produced out multiple touch panels 100 on the surface of its substrate 110, and there can be label 140 on the surface of substrate 110； In the present embodiment, label 140 can be the cutting alignment mark 140A between touch panel 100, and being mainly used for will be more A touch panel 100 cut from the touch sensing winding completed, cut and etc. individual independent touch-controls are made Panel 100, please refers to Fig. 6, can will control two touch-controls by cutting line defined in the cutting alignment mark 140A on substrate 110 Panel 100 is divided into individual independent touch panels 100；Label 140 or alignment mark 140B, bearing mark 140C, ruler Very little label 140D, number/word marking 140E, for example, alignment mark 140B can be used for aligning；Bearing mark 140C can be used The directions MD/TD in label processing procedure direction, such as substrate 110；Dimension mark 140D can be used for marking ruler；Number/word mark Note 140E then can be used for the patterns such as logo.In other words, the label 140 of the present embodiment may include in touch sensing winding and Cutting alignment mark 140A or above-mentioned other labels 140B~140E being formed between adjacent touch panel 100, or also may be used Label needed on docking alignment mark or other processing procedures including the aforementioned peripheral region PA positioned at touch panel 100.Before being same as Embodiment is stated, the label 140A~140E of the present embodiment is made of metal material, and its upper surface is covered with the second covering C2, It illustrates and can refer to above, the particular content of the touch panel 100 of the present embodiment also can refer to above, not repeat herein.

The touch sensing winding of the present embodiment can include more film layer 130, be comprehensive covering touch sensing The touch panel 100 not cut on volume, that is to say, that film layer 130 can be covered in the multiple touch-controls not cut on touch sensing volume On panel 100, then other touch panel 100 is separated by cutting.

In some embodiments of the utility model, substrate 110 is preferably transparent substrate, can be one specifically Rigid transparent substrate or a flexible transparent substrate, material can be selected from glass, acryl (polymethylmethacrylate；PMMA), polyvinyl chloride (polyvinyl Chloride；PVC), polypropylene (polypropylene；PP), polyethylene terephthalate (polyethylene terephthalate；PET), poly- naphthalene Naphthalate (polyethylene naphthalate；PEN), makrolon (polycarbonate；PC), polyphenyl Ethylene (polystyrene；The transparent materials such as PS).

In the embodiments of the present invention, the slurry of the Nanowire containing metal has dispersion liquid, can be water, alcohol, ketone, Ether, hydrocarbon or arsol (benzene,toluene,xylene etc.)；Above-mentioned dispersion liquid also may include additive, surfactants or bonding Agent, such as carboxymethyl cellulose (carboxymethyl cellulose；CMC), 2- hydroxyethyl celluloses (hydroxyethyl Cellulose；HEC), HYDROXY PROPYL METHYLCELLULOSE (hydroxypropyl methylcellulose；HPMC), sulphonic acid ester, Sulfuric ester, disulfonate, sulfosuccinate, phosphate or fluorine-containing interfacial agent etc..It is real in the part of the utility model It applies in mode, metal Nanowire can be nanometer silver wire or nanometer silver fiber (Silver nano-fibers), can have The diameter of average about 20 to 100 nanometers, average about 20 to 100 microns of length, the diameter of preferably average about 20 to 70 nanometers, Average about 20 to 70 microns of length (i.e. aspect ratio is 1000).In some embodiments, the diameter of metal Nanowire can be situated between In 70 nanometers to 80 nanometers, and about 8 microns of length.

In some embodiments of the utility model, film layer 130 is formed by insulating materials.For example, film layer 130 Material can be non-conductive resin or other organic materials.It, can be by some embodiments of the utility model The modes such as spin coating, spraying, printing form film layer 130.In some embodiments, the thickness of film layer 130 be about 20 nanometers extremely 10 microns or 50 nanometers to 200 nanometers or 30 to 100 nanometers, for example, the thickness of film layer 130 about can be 90 nanometers or 100 nanometers.

Roll-to-roll producing line can on demand be adjusted along the path of motion of substrate multiple coating steps sequence or can be on demand It is incorporated to any number of additional platform.For example, in order to reach post-treatment process appropriate, you can by pressure roller or plasma-based Equipment is installed in producing line.

In some embodiments, being formed by metal Nanowire can further be post-processed to improve its electrical conductivity, This post-processing can be include the process steps combined such as heating, plasma-based, corona discharge, UV ozone, pressure or above-mentioned processing procedure.Example Such as, it after the step of being formed by curing metal Nanowire layer, is brought pressure to bear on thereon using idler wheel, it in one embodiment, can be by The pressure for applying 50 to 3400psi from one or more idler wheels to metal Nanowire layer, can preferably apply 100 to 1000psi, 200 to 800psi or 300 to 500psi pressure；And the step of above-mentioned application pressure, preferably implements in coating film layer 130 Before step.In some embodiments, the post-processing of heating and pressure can be carried out at the same time；In detail, how it is formed by metal Rice noodles can apply pressure via one or more idler wheels as described above, and heat simultaneously, such as the pressure applied by idler wheel is 10 to 500psi, preferably 40 to 100psi；Idler wheel is heated to about between 70 DEG C and 200 DEG C simultaneously, preferably to about 100 DEG C and Between 175 DEG C, the electrical conductivity of metal Nanowire can be improved.In some embodiments, metal Nanowire can be preferably exposed to It is post-processed in reducing agent, such as the metal Nanowire being made of nanometer silver wire can be preferably exposed to after being carried out in silver reductor Processing, silver reductor includes boron hydride, such as sodium borohydride；Boron-nitrogen compound, such as dimethyl amido borine (DMAB)；Or gas Reducing agent, such as hydrogen (H₂).And about 10 seconds to the about 30 minutes exposure duration, preferably about 1 minute to about 10 minutes.

The other details of present embodiment are generally as described in the embodiment, herein no longer superfluous words.

The structure of the different embodiments of the utility model can be quoted mutually, be not the limit of above-mentioned each specific implementation mode System.

In some embodiments of the utility model, have by metal nanometer through design perimeter leads and/or on marking Line is formed by the covering of first or second covering, can to avoid contraposition during the error space reserved, therefore can have Effect reduces the width of peripheral region.

Although the utility model is disclosed above with numerous embodiments, so it is not limited to the utility model, appoints What is familiar with this those skilled in the art, without departing from the spirit and scope of the utility model, when can be used for a variety of modifications and variations, therefore this The protection domain of utility model should be defined by the scope of the appended claims.

Claims (20)

1. a kind of touch panel, which is characterized in that include：

One substrate, the wherein substrate have a viewing area and a peripheral region；

Multiple perimeter leads are set on the substrate, and each of perimeter leads have one side wall and a upper surface；

Multiple labels are set on the substrate, and each of label has one side wall and a upper surface；

Multiple first coverings and multiple second coverings, those first coverings cover the upper surface of those perimeter leads, Those second coverings cover the upper surface of those labels, wherein each of first covering and each of second covering Object includes metal Nanowire, those perimeter leads, those label, those first coverings and those second coverings are set to The peripheral region of the substrate；And

One touch-control sensing electrode is set to the viewing area of the substrate, which is electrically connected those perimeter leads.

2. touch panel according to claim 1, further includes：One film layer, cover the touch-control sensing electrode, those first Covering and those second coverings.

3. touch panel according to claim 2, further includes and be separately positioned on the non-conductive of the viewing area and the peripheral region Region.

4. touch panel according to claim 3 has a material identical with the film layer wherein in the non-conducting areas Made filled layer.

5. touch panel according to claim 1, wherein each of first covering has an one side, the side with should The side wall of a little perimeter leads is a common etching face.

6. touch panel according to claim 1, wherein each of second covering has an one side, the side with should The side wall marked a bit is a common etching face.

7. the side wall of touch panel according to claim 1, the wherein side wall of those perimeter leads and those labels There is no have the metal Nanowire.

8. touch panel according to claim 1, wherein those labels include docking alignment mark.

9. touch panel according to claim 1, the wherein width of those perimeter leads are 5um-20um, adjacent those The distance between perimeter leads are 5um-20um.

10. touch panel according to claim 1, wherein those perimeter leads are made with those labeled as metal material； The touch-control sensing electrode includes metal Nanowire.

11. a kind of touch sensing winding, which is characterized in that include：

One substrate, is wherein provided with multiple touch panels on the substrate, each of touch panel includes：Multiple perimeter leads, It is set on the substrate, each of perimeter leads have one side wall and a upper surface；Multiple first coverings, those first are covered Cover material covers the upper surface of those perimeter leads, those perimeter leads are set to each of touch-control with those first coverings One peripheral region of panel；And a touch-control sensing electrode, it is set to a viewing area of each of touch panel, the touch-control sensing Electrode is electrically connected those perimeter leads；

Multiple labels are set on the substrate, and each of label has one side wall and a upper surface；And

Multiple second coverings, those second coverings cover the upper surface of those labels, wherein each of first covering Object and each of second covering include metal Nanowire.

12. touch sensing winding according to claim 11, further includes：One film layer, cover the touch-control sensing electrode, Those first coverings and those second coverings.

13. touch sensing winding according to claim 12, further includes and is separately positioned on the viewing area and the peripheral region Non-conducting areas.

14. touch sensing winding according to claim 13 has one and the film layer phase wherein in the non-conducting areas Filled layer made by same material.

15. touch sensing winding according to claim 11, wherein each of first covering has one side, it should The side wall of side and those perimeter leads is a common etching face.

16. touch sensing winding according to claim 11, wherein each of second covering has one side, it should The side wall of side and those labels is a common etching face.

17. touch sensing winding according to claim 11, the wherein side wall of those perimeter leads and those labels The side wall there is no there is the metal Nanowire.

18. touch sensing winding according to claim 11, wherein those labels include being set to each of touch-control The docking alignment mark of the peripheral region of panel, or the cutting alignment mark that is set between those adjacent touch panels, or set Alignment mark, bearing mark, dimension mark or the number/word marking being placed on the substrate.

19. touch sensing winding according to claim 11, the wherein width of those perimeter leads are 5um-20um, phase The distance between those adjacent perimeter leads are 5um-20um.

20. touch sensing winding according to claim 11, wherein those perimeter leads are labeled as metal material with those Material is made；The touch-control sensing electrode includes metal Nanowire.