CN106155392A - Intelligence wearable device, touch screen and preparation method thereof - Google Patents
Intelligence wearable device, touch screen and preparation method thereof Download PDFInfo
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- CN106155392A CN106155392A CN201510181082.9A CN201510181082A CN106155392A CN 106155392 A CN106155392 A CN 106155392A CN 201510181082 A CN201510181082 A CN 201510181082A CN 106155392 A CN106155392 A CN 106155392A
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Abstract
The present invention relates to a kind of intelligence wearable device, touch screen and preparation method thereof.Touch screen includes nesa coating, nesa coating includes transparent photosensitive resin layer and the conductive layer being cross-linked to form by electrical-conductive nanometer filamentary silver line, transparent photosensitive resin layer has relative first surface and second surface, electrical-conductive nanometer filamentary silver line embeds first surface, wherein, conductive layer forms transparent electrode pattern and transparent lead-in wire, transparent electrode pattern is for obtaining the coordinate information of touch point, transparent lead-in wire electrically connects with transparent electrode pattern, transmits to the chip of the control circuit of touch screen for the coordinate information obtained by transparent electrode pattern.Above-mentioned touch screen is Rimless touch screen.
Description
Technical field
The present invention relates to technical field of touch control, particularly relate to a kind of intelligence wearable device, touch screen and
Manufacture method.
Background technology
Touch screen be one the most intuitively, man-machine interaction instrument easily and efficiently, be widely used in panel computer,
Mobile phone, notebook computer, public information inquiry and other need the place of man-machine interaction.
The at present electricity of the large-size such as smart mobile phone the most on the market, panel computer, notebook computer, all-in-one
The cover sheet of its capacitance touch screen surfaces of subset the most all uses strengthening glass based on silicon dioxide material
Glass, and surrounding at the cover-plate glass back side makes and has certain thickness light tight light shield layer, in order to block glass
The lead-in wire of inductive layer surrounding and the device etc. of electronic equipment internal below glass cover plate, modal have black,
The light shield layer of two kinds of colors of white, additionally also has the colored light shield layer of other colors such as such as local tyrant's gold.
The main material of conventional condenser touchscreen senses unit is tin indium oxide (ITO), is then lost by chemistry
Carve or radium-shine method produces capacitance sensing electrode pattern, due to tin indium oxide (ITO) generally resistance relatively
High, it is impossible to directly as the lead-in wire of capacitance touch screen, therefore to typically require the axial end at transparent electrode pattern
Make corresponding metal lead wire at Dian to overlap with transparent electrode pattern, by metal lead wire, capacitance variations is believed
Number transmission is in the chip in control circuit.Wherein, metal lead wire is with control circuit by flexible PCB even
Connect.
It is transparent tin indium oxide below the visible area of the capacitive touch screens such as the most traditional such as smart mobile phone
(ITO) conducting electrode patterns, is metal lead wire below the shading region of both sides.Shading region structure just because of both sides
The frame become reduces the area of touch screen visible area, and therefore touch screen starts towards narrow frame even Rimless
Direction is developed, thus obtains bigger visible area area.
Summary of the invention
Based on this, it is necessary to provide the intelligent wearable device of a kind of Rimless, touch screen and preparation method thereof.
A kind of touch screen, including nesa coating, described nesa coating include transparent photosensitive resin layer and
The conductive layer being cross-linked to form by electrical-conductive nanometer filamentary silver line, described transparent photosensitive resin layer has relative
One surface and second surface, described electrical-conductive nanometer filamentary silver line embeds described first surface, wherein, described conduction
Layer forms transparent electrode pattern and transparent lead-in wire, and described transparent electrode pattern is for obtaining the coordinate letter of touch point
Breath, described transparent lead-in wire electrically connects with described transparent electrode pattern, for being obtained by described transparent electrode pattern
Coordinate information transmission in the chip of the control circuit of touch screen.
Wherein in an embodiment, described touch screen is the touch screen of the support multiple spot of mutual capacitance type.
Wherein in an embodiment, the number of described nesa coating is one layer, described transparent electrode pattern
Divide including the first touch control electrode and the second touch control electrode, described first touch control electrode and described second touch control electrode
Yong Yu not obtain information and the information of Y-axis coordinate of X-axis coordinate, the number of described first touch control electrode and institute
State the second touch control electrode number and identical with the number of described transparent lead-in wire, each transparent lead-in wire and one
One touch control electrode or the electrical connection of one second touch control electrode；
Or, the number of described nesa coating is that two-layer, respectively the first nesa coating and second are transparent leads
Electrolemma, described first nesa coating and described second nesa coating stacking are arranged, and described transparent photosensitive
Resin bed and described conductive layer intersecting, wherein, the transparent electrode pattern bag of described first nesa coating
Including the first touch control electrode, the transparent lead-in wire of described first nesa coating is the first transparent lead-in wire, described first
The number of transparent lead-in wire is identical with the number of described first touch control electrode, each first transparent lead-in wire and one first
Touch control electrode electrically connects, and the transparent electrode pattern of described second nesa coating includes the second touch control electrode, institute
The transparent lead-in wire stating the second nesa coating is the second transparent lead-in wire, the number of described second transparent lead-in wire and institute
The number stating the second touch control electrode is identical, each second transparent lead-in wire and the electrical connection of one second touch control electrode, institute
State the first touch control electrode and described second touch control electrode is respectively used to obtain information and the Y-axis coordinate of X-axis coordinate
Information.
Wherein in an embodiment, described touch screen is the touch screen of the support single-point of self-capacitance.
Wherein in an embodiment, the number of described nesa coating is one layer, described transparent electrode pattern
Only including the first touch control electrode of multiple mutually insulated, each first touch control electrode includes multiple mutually insulated
Sub-electrode, the number of described transparent lead-in wire is identical with the number of described sub-electrode, and each transparent lead-in wire is with every
A sub-electrode electrical connection in first touch control electrode of individual the plurality of mutually insulated.
Wherein in an embodiment, being smaller in size than equal to 3 inches of described touch screen.
Wherein in an embodiment, described touch screen also includes the metal level being located on described first surface；
Part described electrical-conductive nanometer filamentary silver line exposes described first surface, and described metal level includes multiple the most exhausted
The metal pins of edge, is connected with the flexible PCB with touch screen, described transparent lead-in wire and described transparency electrode
One end that pattern connects is the first end, and the other end is the second end, and each transparent lead-in wire and a metal pins connect.
Wherein in an embodiment, described nesa coating also includes transparent base, described transparent photosensitive tree
The second surface of lipid layer is located on described transparent base.
Wherein in an embodiment, described touch screen also includes that cover sheet, described cover sheet have phase
To touch-surface and load-bearing surface, described nesa coating is located on described load-bearing surface, described touch table
The case hardness in face is more than or equal to 3H.
Wherein in an embodiment, described cover sheet is bent cover plate.
Wherein in an embodiment, described cover sheet includes plastic rubber substrate and is located at described plastic rubber substrate surface
Hardening coat, the surface of the most described plastic rubber substrate of described hardening coat is described touch-surface, described in mould
The surface of the most described hardening coat of gum base materials is described load-bearing surface, wherein, and the thickness of described plastic rubber substrate
Being 0.1～0.3mm, the thickness of described hardening coat is less than 0.05mm；
Or, described cover sheet is the plastic rubber substrate that a surface is hardened, and described plastic rubber substrate is through hard
The surface that change processes is described touch-surface, and another surface is described load-bearing surface, wherein, and described plastic cement base
The thickness of material is 0.1～0.3mm.
The manufacture method of a kind of above-mentioned touch screen, comprises the steps:
Pending film, described pending film is provided to include hypothallus and the conduction formed by electrical-conductive nanometer filamentary silver line
Layer, described hypothallus has relative connection surface and finished surface, and described electrical-conductive nanometer filamentary silver line embeds institute
Stating finished surface, wherein, described hypothallus is the transparent photosensitive resin layer of semi-solid preparation；
Thering is provided light shield, described light shield is preset with pattern district, the transparent electrode pattern of described nesa coating and thoroughly
The pattern that bright lead-in wire is constituted is standard pattern, and the pattern in described pattern district is identical with described standard pattern or mutual
Mend, described light shield be placed in described pending film there is the side of described conductive layer, and be exposed successively and
Development treatment, obtains having transparent electrode pattern and the intermediate products of transparent lead-in wire；And
Described intermediate products are carried out cured.
The manufacture method of a kind of above-mentioned touch screen, comprises the steps:
Pending film and cover sheet, described pending film is provided to include hypothallus and by electrical-conductive nanometer filamentary silver
The conductive layer that line is formed, described hypothallus has relative connection surface and finished surface, described electrical-conductive nanometer
Filamentary silver line embeds described finished surface, and wherein, described hypothallus is the transparent photosensitive resin layer of semi-solid preparation, will
Described pending film is located on described cover sheet, and described connection surface is near described cover sheet；
Thering is provided light shield, described light shield is preset with pattern district, the transparent electrode pattern of described nesa coating and thoroughly
The pattern that bright lead-in wire is constituted is standard pattern, and the pattern in described pattern district is identical with described standard pattern or mutual
Mend, described light shield be placed in described pending film there is the side of described conductive layer, and be exposed successively and
Development treatment, obtains having transparent electrode pattern and the intermediate products of transparent lead-in wire；And
Carry out cured so that described hypothallus solidifies.
Wherein in an embodiment, described cover sheet is flexible parent metal, described cover sheet and described in treat
The size of process film is all many times of the size of a touch screen, and described light shield has multiple pattern district；
After obtaining described intermediate products, and before carrying out cured, also include the side using laser
Formula carries out the step cutting to obtain multiple touch screen；
Or, after carrying out cured, also include using the mode of laser to carry out cutting obtaining many
The step of individual touch screen.
A kind of intelligence wearable device, including above-mentioned touch screen.
Above-mentioned nesa coating use electrical-conductive nanometer filamentary silver line realize conduction, and electrical-conductive nanometer filamentary silver line relative to
Traditional conductive layer has relatively low resistance, and therefore electrical-conductive nanometer filamentary silver line both may be used for being formed transparent
Electrode pattern, may be used for again forming transparent lead-in wire.Owing to transparent lead-in wire itself has the transparency, the most not
Need to make light shield layer, namely above-mentioned touch screen Rimless in the both sides at the cover sheet back side.And conduct electricity and receive
Meter Yin Si line embeds first surface, so that above-mentioned nesa coating can preferably prevent plowing from, it is not easy to
Damage.Greatly reduce the chance of nesa coating and air contact so that above-mentioned nesa coating is not simultaneously
It is oxidized easily.
Accompanying drawing explanation
Fig. 1 is the structural representation of the touch screen of an embodiment；
Fig. 2 is the exploded view of the touch screen in Fig. 1；
Fig. 3 is the structural representation of cover sheet；
Fig. 4 is the structural representation of transparent photosensitive resin layer；
Fig. 5 is the structural representation of the touch screen of another embodiment；
Fig. 6 is the structural representation of the nesa coating of an embodiment；
Fig. 7 is the structural representation of pending film；
Fig. 8 is the schematic diagram of the roller heat-press step during making touch screen；
Fig. 9 is the schematic diagram of the step of exposure during making touch screen；
Figure 10 is the schematic diagram of the development step during making touch screen；
Figure 11 is the schematic diagram of the curing schedule during making touch screen；
Figure 12 is the schematic diagram simultaneously making multiple touch screen；
Figure 13 is the structural representation of intelligent watch nesa coating.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment to intelligence wearable device, touch screen and preparation method thereof carry out
Further describe.
As shown in Figures 1 and 2, the touch screen 10 of an embodiment includes cover sheet 100 and electrically conducting transparent
Film 200.
Cover sheet 100 has relative touch-surface 110 and load-bearing surface 120.Wherein, touch-surface
The case hardness of 110 is more than or equal to 3H (3H is pencil hardness grade), it is thus possible to be prevented effectively from scratch.
Traditional cover sheet usually strengthens glass, owing to strengthening glass is rigid, it is impossible to bending,
Therefore the wearable device demands to flexible touch screen such as such as intelligent watch on the horizon cannot be met.?
In present embodiment, cover sheet 100 is bent cover plate.
Further, in the present embodiment, as it is shown on figure 3, cover sheet 100 includes plastic rubber substrate 130
And it is located at the hardening coat 140 on plastic rubber substrate 130 surface, the table of hardening coat 140 plastic rubber substrate 130 dorsad
Face is touch-surface 110, and the surface of plastic rubber substrate 130 hardening coat 140 dorsad is load-bearing surface 120.Its
In, the thickness of plastic rubber substrate 130 is 0.1～0.3mm, and the thickness of hardening coat 140 is less than 0.05mm.Tool
Body, plastic rubber substrate 130 is PET (polyethylene terephthalate, polyethylene terephthalate)
Film material, PC (Polycarbonate, Merlon) film material and PMMA (PolymethylMethacrylate,
Polymethyl methacrylate) one or more in film material are combined.Hardening coat 140 be frp layer, two
The mixing chopped fiber of silicon oxide layer or carbon fiber and glass fibre.
In other embodiments, cover sheet 100 can be the plastic rubber substrate that a surface is hardened,
The hardened surface of plastic rubber substrate is touch-surface 110, and another surface is load-bearing surface 120.Wherein,
The thickness of cover sheet 100 is 0.1～0.3mm.Concrete, plastic rubber substrate can be PET film material, PC film
One or more in material and PMMA film material are combined.
Further, in the present embodiment, the transmitance of cover sheet 100 is more than or equal to 90%, haze value
Less than or equal to 1%.Concrete, in the present embodiment, the thickness of cover sheet 100 is 0.1mm, passes through
Rate is more than 91%, and haze value is less than 0.55%.
As shown in Figures 2 and 4, nesa coating 200 is located on load-bearing surface 120.Nesa coating 200
Including transparent photosensitive resin layer 210 and the conductive layer 220 that is cross-linked to form by electrical-conductive nanometer filamentary silver line 222.
Transparent photosensitive resin layer 210 has relative first surface 212 and second surface 214, electrical-conductive nanometer filamentary silver line
222 embed first surface 212.Wherein, conductive layer 220 forms transparent electrode pattern 230 and transparent lead-in wire 240,
Transparent electrode pattern 230 is for obtaining the coordinate information of touch point, transparent lead-in wire 240 and transparent electrode pattern
230 electrical connections, transmit the control to touch screen 10 for the coordinate information obtained by transparent electrode pattern 230
In the chip of circuit.
During making traditional touch screen, generally ITO conductive layer is carried out pattern process and obtains transparent
Electrode pattern, but the resistance of ITO is higher, it is impossible to directly as the lead-in wire of touch screen, therefore typically require
Corresponding metal lead wire (usually silver slurry line) and transparency electrode is made at the axial end points of transparent electrode pattern
Pattern overlaps, and is transmitted in the chip to control circuit by the coordinate information of touch point by metal lead wire.And
Metal lead wire does not the most have the transparency, it is therefore desirable at cover sheet 100 back side (load-bearing surface 120) four
Make in week and there is certain thickness opaque light shield layer, block the metal lead wire below cover sheet 100.
And the frame constituted just because of the light shield layer of both sides reduces the area of touch screen visible area.
And above-mentioned nesa coating 200 uses electrical-conductive nanometer filamentary silver line 222 to realize conduction, and electrical-conductive nanometer is silver-colored
Silk thread 222 has relatively low resistance, therefore electrical-conductive nanometer filamentary silver line relative to traditional ITO conductive layer
222 both may be used for forming transparent electrode pattern 230, may be used for again forming transparent lead-in wire 240.Due to thoroughly
Bright lead-in wire 240 itself has the transparency, therefore need not make shading in the both sides at cover sheet 100 back side
Layer, namely above-mentioned touch screen 10 Rimless.And electrical-conductive nanometer filamentary silver line 222 embeds first surface 212,
So that above-mentioned nesa coating 200 can preferably prevent plowing from, it is not easy to damage.It is substantially reduced simultaneously
The chance of nesa coating 200 and air contact so that above-mentioned nesa coating 200 is not easy oxidized.
Owing to ITO enbrittles, it is impossible to bending, and electrical-conductive nanometer filamentary silver line 222 has preferable pliability,
Can bend.And transparent photosensitive resin layer 210 also has pliability, it is possible to bending namely above-mentioned transparent
Conducting film 200 has pliability.When cover sheet 100 is bent cover plate, above-mentioned touch screen 10 has
Flexibility, can meet the wearable device demands to flexible touch screen such as such as intelligent watch on the horizon.
Further, in the present embodiment, a length of 30～50 μm of electrical-conductive nanometer filamentary silver line 222, conduction
A diameter of the 30 of nano silver coated suture line 222～50nm.
In the present embodiment, nesa coating 200 is formed directly on cover sheet 100, and transparent feel
The second surface 214 of photopolymer resin layer 210 is connected with load-bearing surface 120.It is appreciated that other embodiment party
In formula, as it is shown in figure 5, nesa coating 200 also includes transparent base 250.Transparent photosensitive resin layer 210
Second surface 214 be located on transparent base 250.Nesa coating 200 is by optical cement layer (Oracle
Certified Associate, OCA) 300 it is connected with the load-bearing surface 120 of cover sheet 100.In this enforcement
In mode, the first surface 212 of transparent photosensitive resin layer 210 is near load-bearing surface 120.Other embodiment party
In formula, it is also possible to be that the transparent base 250 surface away from transparent photosensitive resin layer 210 is near load-bearing surface 120.
In the present embodiment, touch screen 10 be smaller in size than equal to 3 inches, this undersized touch screen
Finger unsuitable for people carries out more complicated operation in the above.To this end, present embodiment provides one certainly
The touch screen of the support single-point of appearance formula.In actual applications, touch screen 10 can also arrange gesture operation, from
And make touch screen 10 can have similar operating function to the touch screen of the support multiple spot of mutual capacitance type.
Concrete, as shown in Figure 6, above-mentioned touch screen 10 only includes layer of transparent conducting film 200.Transparent electrical
Pole pattern 230 only includes the first touch control electrode 232 of multiple mutually insulated.Each first touch control electrode 232 is wrapped
Include the sub-electrode 2322 of multiple mutually insulated.The number of transparent lead-in wire 240 is identical with the number of sub-electrode 2322,
And each transparent lead-in wire 240 electrically connects with a sub-electrode 2322.Further, in the present embodiment, first
The number of touch control electrode 232 is two, and each first touch control electrode 232 includes 8 sub-electrodes 2322.
Being appreciated that in other embodiments, touch screen 10 can also be the support multiple spot of mutual capacitance type
Touch screen.
Concrete, touch screen only includes layer of transparent conducting film 200.Transparent electrode pattern 230 includes that first touches
Control electrode and the second touch control electrode.First touch control electrode and the second touch control electrode are respectively used to obtain X-axis coordinate
Information and the information of Y-axis coordinate.The number of the first touch control electrode and the number of the second touch control electrode and with
The number of transparent lead-in wire 240 is identical, each transparent lead-in wire 240 and one first touch control electrode or one second touch-control
Electrode electrically connects.
Or, touch screen includes two-layer nesa coating 200, and the first nesa coating and second transparent is led respectively
Electrolemma.First nesa coating and the second nesa coating stacking are arranged, and transparent photosensitive resin layer 210 with
Conductive layer 220 intersecting.Wherein, the transparent electrode pattern 230 of the first nesa coating includes that first touches
Control electrode, the transparent lead-in wire of the first nesa coating is the first transparent lead-in wire.The number of the first transparent lead-in wire with
The number of the first touch control electrode is identical, each first transparent lead-in wire and the electrical connection of one first touch control electrode.Second
The transparent electrode pattern 230 of nesa coating includes that the second touch control electrode, the transparent of the second nesa coating are drawn
Line is the second transparent lead-in wire.The number of the second transparent lead-in wire and the number of the second touch control electrode are identical, Mei Yi
Two transparent lead-in wires and the electrical connection of one second touch control electrode.First touch control electrode and the second touch control electrode are respectively used to
Obtain information and the information of Y-axis coordinate of X-axis coordinate.
Further, as shown in Fig. 6 and Figure 13, in the present embodiment, touch screen 10 also includes being located at
Metal level 400 on one surface 212.Partially electronically conductive nano silver coated suture line 222 exposes first surface 212.
Wherein, metal level 400 includes the metal pins 410 of multiple mutually insulated, with the flexible electrical with touch screen
Road plate connects.One end that transparent lead-in wire 240 is connected with transparent electrode pattern 230 is the first end 242, the other end
It it is the second end 244.Each transparent lead-in wire 240 is connected with a metal pins.Due to partially electronically conductive nano silver coated suture line
222 expose first surface 212, so that transparent lead-in wire 240 can electrically connect with metal level 400, sitting
Mark information is transmitted to the chip of the control circuit of touch screen.
Present embodiment also provides for the manufacture method of a kind of touch screen, comprises the steps:
Step S510, it is provided that pending film and cover sheet.As it is shown in fig. 7, pending film 600 includes this
Body 610 and two protecting film 620, two protecting film 620 are respectively arranged on two surfaces that body 610 is relative.Body
610 include hypothallus 630 and the conductive layer 640 formed by electrical-conductive nanometer filamentary silver line 642.Hypothallus 630 has
Relative connection surface 632 and finished surface 634, electrical-conductive nanometer filamentary silver line 642 is had to embed finished surface 634,
Wherein, it is conduction region 650 that hypothallus 630 is embedded in the region of electrical-conductive nanometer filamentary silver line 642, does not embed
The region having electrical-conductive nanometer filamentary silver line 642 is nonconductive regions 660.Hypothallus 630 is the transparent photosensitive of semi-solid preparation
Resin bed.After removing two protecting film 620, body 610 is located on cover sheet 100, and connection surface
632 near cover sheet.
As shown in Figure 8, in the present embodiment, partially electronically conductive nano silver coated suture line 642 exposes finished surface 634.
In the present embodiment, by the way of roller hot pressing, body 610 is located on cover sheet 100,
Wherein, roller 700 at the uniform velocity moves along certain orientation.Nonconductive regions 660 is equivalent to tack coat by conduction region
650 are connected on cover sheet 100.
Wherein, the transparent feel photopolymer resin of semi-solid preparation includes each component of following parts by weight: 60～80 parts of film forming trees
Fat, 1～10 part of photosensitizer, 5～20 parts of solvents, 0.1～5 part of stabilizer, 0.1～5 part of levelling agent, 0.1～5 part
Defoamer, the number sum of each component is 100.
The transparent feel photopolymer resin of solidification includes each component of following parts by weight: 30～50 parts of film-forming resins, 1～10
Part photosensitizer, 0.1～5 part of stabilizer, 0.1～5 part of levelling agent and 0.1～5 part of defoamer.
Film-forming resin is polymethyl methacrylate, linear phenolic resin, epoxy resin .beta.-methylacrylic acid, propylene
Acid esters, vinyl ethers and at least one in M Cr.Photosensitizer be diazobenzene quinone, diazo naphthoquinone ester,
Polyvinyl cinnamate, poly-Cortex Cinnamomi fork malonic acid glycol ester polyester, aromatic diazo salt, aromatic sulfonium salts,
Aromatic iodonium salt and at least one in ferrocene salt.Solvent be oxolane, methyl ethyl ketone, Ketohexamethylene,
Propylene glycol, N,N-dimethylformamide, ethyl cellosolve acetate, ethyl acetate and butyl acetate, toluene,
Dimethylbenzene, tripropylene glycol diacrylate, trimethylolpropane trimethacrylate, ethoxylation trihydroxy methyl
Propane triacrylate, dipentaerythrite six acrylate, 1,6-HD methoxyl group mono acrylic ester and second
At least one in epoxide neopentyl glycol methoxyl group mono acrylic ester.Stabilizer is hydroquinone, to methoxy
Base phenol, 1,4-benzoquinone, 2,6 1 di-t-butyl cresols, phenothiazine and at least one in anthraquinone.Levelling agent
For polyacrylate, acetate butyrate fiber, nitrocellulose and at least one in polyvinyl butyral resin.
Defoamer is at least one of phosphate ester, fatty acid ester and organosilicon.
Wherein, the semi-cured state of transparent feel photopolymer resin has a photosensitive property, and the solidification of transparent feel photopolymer resin
Shape body does not have photosensitive property.
Step S520, it is provided that light shield.As it is shown in figure 9, light shield 800 is preset with pattern district 810, transparent lead
The pattern that the transparent electrode pattern of electrolemma and transparent lead-in wire are constituted is standard pattern, the pattern in pattern district 810
Identical with standard pattern or complementary.Light shield 800 is placed in body 610 there is conductive layer (conduction region 650)
Side, and be exposed successively and development treatment, obtain that there is transparent electrode pattern and the centre of transparent lead-in wire
Product.
In the present embodiment, the transparent feel photopolymer resin forming body 610 is negative photosensitive resin, i.e. illumination
Place is insoluble in developer solution.Owing to not dissolving in developer solution at illumination, if wanting retention criteria pattern, tool should be used
There is the light shield 800 in the pattern district identical with standard pattern.Fig. 9 is exposure process, uses ultraviolet light to irradiate light shield
800 away from the side of body 610, and wherein, the part that conduction region 650 is irradiated by light is area of illumination 652, does not has
Having the part being irradiated by light is non-area of illumination 654.Figure 10 is developing process, and non-area of illumination 654 is removed.
Being appreciated that in other embodiments, the transparent feel photopolymer resin forming pending film 600 can also
For being dissolved in developer solution at positive type photosensitive, i.e. illumination.Owing to being dissolved in developer solution at illumination, if to retain
Standard pattern, should use the light shield 800 with the pattern district complementary with standard pattern.
Intermediate products are carried out cured by step S530.
In the present embodiment, the mode of ultraviolet lighting is used to carry out cured.If Figure 11 is at solidification
Reason process.
Further, as shown in figure 12, in the present embodiment, cover sheet 100 is flexible parent metal, protection
The size of cover plate 100 and body 610 is all many times of the size of a touch screen 10.In the present embodiment,
The size of cover sheet 100 is more than the size of body 610.There is on light shield 800 multiple pattern district 810.?
After obtaining intermediate products, and before carrying out cured, also include that the mode using laser is cut
To obtain the step of multiple touch screen.Or, after carrying out cured, also include using laser
Mode carries out the step cutting to obtain multiple touch screen.
The cover sheet of traditional touch screen is strengthening glass, and strengthening glass needs through multiple tracks intensive treatment,
The corner of strengthening glass needs polishing and cutting, and forms hole (sound transmission aperture) on strengthening glass and need
Professional tool.Therefore, strengthening glass is used to be suitable only for one-step operation, also as the touch screen of cover sheet
The most once can only process a touch screen, it is impossible to batch production.
And in the present embodiment, cover sheet 100 is flexible parent metal, can be in the way of using laser
Directly form predetermined profile and/or hole etc..Namely in the present embodiment, can be directly by big
Disposable on cover sheet make multiple independent nesa coatings, finally by laser formed multiple solely
Vertical touch screen.
In other embodiments, when nesa coating 200 also includes transparent base 250, and transparent base
250 when being also flexible parent metal, it is also possible to directly on big transparent base, once property makes multiple independent small-sized
Touch control unit, uses optical cement and big cover sheet laminating, the most again finally by laser by transparent
Base material 250 and cover sheet all cut into fritter, thus form multiple independent touch screen.
Use flexible parent metal as cover sheet relative to use strengthening glass as cover sheet, can be significantly
Simplify the manufacturing process of touch screen, it is provided that make efficiency.
In the present embodiment, also above-mentioned touch screen 10 is applied in intelligence wearable device.Figure 13 institute
The nesa coating 200 shown is intelligent watch nesa coating 200.Nesa coating 200 in Figure 13
Concrete application for the nesa coating 200 in Fig. 6.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (15)
1. a touch screen, it is characterised in that include that nesa coating, described nesa coating include transparent
Photosensitive resin layer and the conductive layer being cross-linked to form by electrical-conductive nanometer filamentary silver line, described transparent photosensitive resin layer
Having relative first surface and second surface, described electrical-conductive nanometer filamentary silver line embeds described first surface, its
In, described conductive layer forms transparent electrode pattern and transparent lead-in wire, and described transparent electrode pattern is used for obtaining tactile
Touching coordinate information a little, described transparent lead-in wire electrically connects with described transparent electrode pattern, for by described transparent
The coordinate information that electrode pattern obtains transmits to the chip of the control circuit of touch screen.
Touch screen the most according to claim 1, it is characterised in that described touch screen is mutual capacitance type
Support the touch screen of multiple spot.
Touch screen the most according to claim 2, it is characterised in that the number of described nesa coating is
One layer, described transparent electrode pattern includes the first touch control electrode and the second touch control electrode, described first touch-control electricity
Pole and described second touch control electrode are respectively used to obtain information and the information of Y-axis coordinate of X-axis coordinate, described
The number of the first touch control electrode and the number of described second touch control electrode and number phase with described transparent lead-in wire
With, each transparent lead-in wire and one first touch control electrode or the electrical connection of one second touch control electrode；
Or, the number of described nesa coating is that two-layer, respectively the first nesa coating and second are transparent leads
Electrolemma, described first nesa coating and described second nesa coating stacking are arranged, and described transparent photosensitive
Resin bed and described conductive layer intersecting, wherein, the transparent electrode pattern bag of described first nesa coating
Including the first touch control electrode, the transparent lead-in wire of described first nesa coating is the first transparent lead-in wire, described first
The number of transparent lead-in wire is identical with the number of described first touch control electrode, each first transparent lead-in wire and one first
Touch control electrode electrically connects, and the transparent electrode pattern of described second nesa coating includes the second touch control electrode, institute
The transparent lead-in wire stating the second nesa coating is the second transparent lead-in wire, the number of described second transparent lead-in wire and institute
The number stating the second touch control electrode is identical, each second transparent lead-in wire and the electrical connection of one second touch control electrode, institute
State the first touch control electrode and described second touch control electrode is respectively used to obtain information and the Y-axis coordinate of X-axis coordinate
Information.
Touch screen the most according to claim 1, it is characterised in that described touch screen is self-capacitance
Support the touch screen of single-point.
Touch screen the most according to claim 4, it is characterised in that the number of described nesa coating is
One layer, described transparent electrode pattern only includes the first touch control electrode of multiple mutually insulated, each first touch-control
Electrode includes the sub-electrode of multiple mutually insulated, the number of described transparent lead-in wire and the number phase of described sub-electrode
With, and a sub-electrode in the first touch control electrode of each transparent lead-in wire and each the plurality of mutually insulated
Electrical connection.
Touch screen the most according to claim 1, it is characterised in that being smaller in size than of described touch screen
In 3 inches.
Touch screen the most according to claim 1, it is characterised in that described touch screen also includes being located at institute
State the metal level on first surface；
Part described electrical-conductive nanometer filamentary silver line exposes described first surface, and described metal level includes multiple the most exhausted
The metal pins of edge, is connected with the flexible PCB with touch screen, described transparent lead-in wire and described transparency electrode
One end that pattern connects is the first end, and the other end is the second end, and each transparent lead-in wire and a metal pins connect.
Touch screen the most according to claim 1, it is characterised in that described nesa coating also includes
Bright base material, the second surface of described transparent photosensitive resin layer is located on described transparent base.
9. according to the touch screen according to any one of claim 1-8, it is characterised in that described touch screen is also
Including cover sheet, described cover sheet has relative touch-surface and load-bearing surface, described electrically conducting transparent
Film is located on described load-bearing surface, and the case hardness of described touch-surface is more than or equal to 3H.
Touch screen the most according to claim 9, it is characterised in that described cover sheet is bendable fold
Plate.
11. touch screens according to claim 10, it is characterised in that described cover sheet includes plastic cement
Base material and be located at the hardening coat on described plastic rubber substrate surface, the most described plastic rubber substrate of described hardening coat
Surface is described touch-surface, and the surface of the most described hardening coat of described plastic rubber substrate is described load-bearing surface,
Wherein, the thickness of described plastic rubber substrate is 0.1～0.3mm, and the thickness of described hardening coat is less than 0.05mm；
Or, described cover sheet is the plastic rubber substrate that a surface is hardened, and described plastic rubber substrate is through hard
The surface that change processes is described touch-surface, and another surface is described load-bearing surface, wherein, and described plastic cement base
The thickness of material is 0.1～0.3mm.
The manufacture method of 12. 1 kinds of touch screens as according to any one of claim 1-8, it is characterised in that
Comprise the steps:
Pending film, described pending film is provided to include hypothallus and the conduction formed by electrical-conductive nanometer filamentary silver line
Layer, described hypothallus has relative connection surface and finished surface, and described electrical-conductive nanometer filamentary silver line embeds institute
Stating finished surface, wherein, described hypothallus is the transparent photosensitive resin layer of semi-solid preparation；
Thering is provided light shield, described light shield is preset with pattern district, the transparent electrode pattern of described nesa coating and thoroughly
The pattern that bright lead-in wire is constituted is standard pattern, and the pattern in described pattern district is identical with described standard pattern or mutual
Mend, described light shield be placed in described pending film there is the side of described conductive layer, and be exposed successively and
Development treatment, obtains having transparent electrode pattern and the intermediate products of transparent lead-in wire；And
Described intermediate products are carried out cured.
The manufacture method of 13. 1 kinds of touch screens as according to any one of claim 8-11, it is characterised in that
Comprise the steps:
Pending film and cover sheet, described pending film is provided to include hypothallus and by electrical-conductive nanometer filamentary silver
The conductive layer that line is formed, described hypothallus has relative connection surface and finished surface, described electrical-conductive nanometer
Filamentary silver line embeds described finished surface, and wherein, described hypothallus is the transparent photosensitive resin layer of semi-solid preparation, will
Described pending film is located on described cover sheet, and described connection surface is near described cover sheet；
Thering is provided light shield, described light shield is preset with pattern district, the transparent electrode pattern of described nesa coating and thoroughly
The pattern that bright lead-in wire is constituted is standard pattern, and the pattern in described pattern district is identical with described standard pattern or mutual
Mend, described light shield be placed in described pending film there is the side of described conductive layer, and be exposed successively and
Development treatment, obtains having transparent electrode pattern and the intermediate products of transparent lead-in wire；And
Carry out cured so that described hypothallus solidifies.
The manufacture method of 14. touch screens according to claim 13, it is characterised in that described protection cap
Plate is flexible parent metal, and the size of described cover sheet and described pending film is all the size of a touch screen
Many times, described light shield has multiple pattern district；
After obtaining described intermediate products, and before carrying out cured, also include the side using laser
Formula carries out the step cutting to obtain multiple touch screen；
Or, after carrying out cured, also include using the mode of laser to carry out cutting obtaining many
The step of individual touch screen.
15. 1 kinds of intelligent wearable devices, it is characterised in that include institute as any one of claim 1-11
The touch screen stated.
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| CN201510181082.9A CN106155392A (en) | 2015-04-16 | 2015-04-16 | Intelligence wearable device, touch screen and preparation method thereof |
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| CN109951929A (en) * | 2019-04-29 | 2019-06-28 | 珠海纳金科技有限公司 | A kind of manual light controlling device |
| CN110010003A (en) * | 2019-03-06 | 2019-07-12 | 武汉华星光电半导体显示技术有限公司 | A kind of flexible display panels |
| CN110058740A (en) * | 2019-04-29 | 2019-07-26 | 姹ゆ旦 | A kind of nano silver touch control device and its touch control method |
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Effective date of registration: 20210303 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Applicant after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: 330000 Huang Jia Hu Road, Nanchang economic and Technological Development Zone, Nanchang, Jiangxi Applicant before: Nanchang OFilm Tech. Co.,Ltd. Applicant before: Ophiguang Group Co.,Ltd. Applicant before: SUZHOU OFILM TECH Co.,Ltd. |
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Application publication date: 20161123 |
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