CN205507725U - Exchangeable formula graphite alkene pressure touch screen - Google Patents
Exchangeable formula graphite alkene pressure touch screen Download PDFInfo
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- CN205507725U CN205507725U CN201620113399.9U CN201620113399U CN205507725U CN 205507725 U CN205507725 U CN 205507725U CN 201620113399 U CN201620113399 U CN 201620113399U CN 205507725 U CN205507725 U CN 205507725U
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Abstract
The utility model discloses an exchangeable formula graphite alkene pressure touch screen, including middle elastomer, the upper and lower both sides of middle elastomer are equipped with the touch screen unit respectively, the touch screen unit includes the carrier, be equipped with graphite alkene conductive thin film on the carrier, graphite alkene conductive thin film's both sides are equipped with respectively and are located electrical conductivity of metallic materials on the carrier, two in the touch screen unit, one of them the graphite alkene conductive thin film of touch screen unit, another the carrier of touch screen unit respectively through OCA adhesive with the upper and lower both sides face laminating of middle elastomer, and the carrier and middle elastomer laminating the graphite alkene conductive thin film of touch screen unit goes up and is equipped with the visor through the OCA adhesive laminating. The utility model discloses an exchangeable formula graphite alkene pressure touch screen has the advantage of selected material environmental protection, and the size of exerting pressure through the contact demonstrates different backward signals, realizes three -dimensional touch -control.
Description
Technical field
This utility model relates to a kind of touch screen, concrete for a kind of mutual inductance type Graphene pressure touch screen.
Background technology
Along with the high speed development of science and technology, the requirement of cultural life is improved by people, and the update of electronic product is more and more faster.Under this overall situation, each side core competitiveness of electronic product just seems extremely important.Touch screen is the input core of most electronic product, is also the shop front of a product, and the superiority and inferiority of touch screen directly determine the quality of a product experience, determine user's primary impression to product.After self-resistance screen is gradually backed out the arena of history, capacitance plate has then forcibly occupied whole touch screen market, but capacitance plate the most gradually can not meet people to higher requirement, thus a kind of touch screen being different from capacitance plate occurs shaking whole touch screen market, brings huge prospect.It addition, traditional touch screen uses a kind of indium tin oxide material (ITO), itself be that a kind of exotic material, storage level be few, not environmental protection, the most crisp, color and luster jaundice.
Graphene, a kind of emerging by the hexagonal honeycomb shape crystal structure two dimension Carbon Materials of SP2 hydridization, its thickness is only a monatomic thickness, has many excellent characteristics.It it is the thinnest, the hardest nano material in known world;Heat conductivity is up to 5300 W/m K;Electron mobility is more than 15000 cm2/V s at normal temperatures, will be higher than CNT and diamond;Resistivity ratio copper and Yin Geng are low, are the materials that resistivity is minimum the most in the world, are especially suitable for doing electrode material;The most fully transparent, only absorb the light of 2.3%.At present, these excellent specific properties of Graphene are widely used in numerous sciemtifec and technical spheres such as optics, electricity, mechanics, particularly in terms of touch-control and display.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of mutual inductance type Graphene pressure touch screen, the advantage with selection environmental protection, presents different return signals by the size of contact pressure applied, it is achieved three-dimensional touch.
For reaching above-mentioned purpose, this utility model following technical scheme of offer:
A kind of mutual inductance type Graphene pressure touch screen, including intermediate elastomeric, described intermediate elastomeric be respectively provided on two sides with touch screen unit up and down, described touch screen unit includes carrier, described carrier is provided with graphene conductive film, described graphene conductive film be respectively provided on two sides with the conductive metallic material being positioned on described carrier;In two described touch screen unit; the graphene conductive film of one of them described touch screen unit, the carrier of another described touch screen unit are fitted by the two sides up and down of OCA laminating glue with described intermediate elastomeric respectively, and carrier is provided with protection cap by OCA laminating glue laminating on the graphene conductive film of the described touch screen unit of described intermediate elastomeric laminating.
Further, described intermediate elastomeric uses PET, PMMA or PDMS to make.
Further, described conductive metallic material is silver, silver slurry, copper, nickel, gold or aluminum.
Further, described protection cap is rigid glass material or the PMMA of flexibility or rupture pressure disc.
Further, described carrier uses PET to make.
Further, described graphene conductive film includes a layer graphene conductive layer, two-layer graphene conductive layer, minority layer graphene conductive layer or three-dimensional grapheme material film.
The beneficial effects of the utility model are:
Mutual inductance type Graphene pressure touch screen of the present utility model, use Graphene as transparency conducting layer, Graphene is the super material newly risen recent years, the electric conductivity of its superelevation, light transmittance, mechanical performance and flexibility, all being highly suitable for optics and electricity device, it, relative to traditional ITO material, has the advantage that 1) it is known that ITO is a kind of indium tin oxide, resource is fewer relatively costly, and not environmentally;And Graphene is the allotrope of a kind of carbon, resource is the most, low cost and very environmental protection, is a kind of novel green material;2) electric conductivity of Graphene superelevation, light transmittance, mechanical performance and flexibility are especially suitable for applying at display screen;Comparing ITO, the light transmittance of Flexible graphene electric ink display screen is higher, and definition is more preferable, does not have the effect of ITO jaundice;3) mechanicalness and the flexibility of Graphene are the best, display screen can make the effect of flexible, owing to pressure touch needs touch screen material to have certain crooking ability, therefore grapheme material is especially suitable for pressure touch and shows, this ITO being hard and crisp is not caned;4) electrical conductivity of Graphene to be superior to far away ITO, is used for give, as conductive material and electrode, the responsiveness that display screen is higher and faster;
Using intermediate elastomeric, when finger does not press, Graphene and intermediate elastomeric are in the state of a balance, and the electric capacity on touch screen, resistance, current signal are in a normal state, just identical with traditional capacitance plate operation principle;When finger presses touch screen by different dynamics, original capacitance plate poised state is broken, intermediate elastomeric is squeezed, and thickness changes, thus causes the electric capacity between upper and lower transparent conductor layers to change, and then cause the change of resistance, current signal, and the dynamics of pressing is different, the variable quantity of signal is the most different, by the situation of change of the signals such as detection electric capacity, resistance, electric current, the size of pressure can be judged, thus realize the touch-control of three-dimensional.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, this utility model provides drawings described below to illustrate:
Fig. 1 is the structural representation of this utility model mutual inductance type Graphene pressure touch screen embodiment;
Fig. 2 is the preparation flow figure of the present embodiment mutual inductance type Graphene pressure touch screen.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be better understood from this utility model and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
As it is shown in figure 1, be the structural representation of this utility model mutual inductance type Graphene pressure touch screen embodiment.The mutual inductance type Graphene pressure touch screen of the present embodiment, including intermediate elastomeric 1, intermediate elastomeric 1 be respectively provided on two sides with touch screen unit up and down.The touch screen unit of the present embodiment includes that carrier 2, carrier 2 are provided with graphene conductive film 3, graphene conductive film 3 be respectively provided on two sides with the conductive metallic material 4 being positioned on carrier 2.And in two touch screen unit; the graphene conductive film 3 of one of them touch screen unit, the carrier 2 of another touch screen unit are fitted by the two sides up and down of OCA laminating glue 5 with intermediate elastomeric 1 respectively, and carrier 2 is fitted with protection cap 6 by OCA laminating glue 5 on the graphene conductive film 3 of the touch screen unit of intermediate elastomeric 1 laminating.Graphene conductive film 3 includes a layer graphene conductive layer, two-layer graphene conductive layer, minority layer graphene conductive layer or three-dimensional grapheme material film.
Further, intermediate elastomeric 1 uses PET, PMMA or PDMS to make, and conductive metallic material 4 is silver, silver slurry, copper, nickel, gold or aluminum, and protection cap 6 is rigid glass material or the PMMA of flexibility or rupture pressure disc, and carrier 2 uses PET to make.The intermediate elastomeric 1 of the present embodiment uses PET to make, and conductive metallic material 4 is silver slurry, and protection cap 6 is rigid glass material.
The mutual inductance type Graphene pressure touch screen of the present embodiment, use Graphene as transparency conducting layer, Graphene is the super material newly risen recent years, the electric conductivity of its superelevation, light transmittance, mechanical performance and flexibility, all being highly suitable for optics and electricity device, it, relative to traditional ITO material, has the advantage that 1) it is known that ITO is a kind of indium tin oxide, resource is fewer relatively costly, and not environmentally;And Graphene is the allotrope of a kind of carbon, resource is the most, low cost and very environmental protection, is a kind of novel green material;2) electric conductivity of Graphene superelevation, light transmittance, mechanical performance and flexibility are especially suitable for applying at display screen;Comparing ITO, the light transmittance of Flexible graphene electric ink display screen is higher, and definition is more preferable, does not have the effect of ITO jaundice;3) mechanicalness and the flexibility of Graphene are the best, display screen can make the effect of flexible, owing to pressure touch needs touch screen material to have certain crooking ability, therefore grapheme material is especially suitable for pressure touch and shows, this ITO being hard and crisp is not caned;4) electrical conductivity of Graphene to be superior to far away ITO, is used for give, as conductive material and electrode, the responsiveness that display screen is higher and faster.
Using intermediate elastomeric 1, when finger does not press, Graphene and intermediate elastomeric 1 are in the state of a balance, and the electric capacity on touch screen, resistance, current signal are in a normal state, just identical with traditional capacitance plate operation principle;When finger presses touch screen by different dynamics, original capacitance plate poised state is broken, intermediate elastomeric 1 is squeezed, and thickness changes, thus causes the electric capacity between upper and lower transparent conductor layers to change, and then cause the change of resistance, current signal, and the dynamics of pressing is different, the variable quantity of signal is the most different, by the situation of change of the signals such as detection electric capacity, resistance, electric current, the size of pressure can be judged, thus realize the touch-control of three-dimensional.
The preparation flow of the mutual inductance type Graphene pressure touch screen of the present embodiment is as follows:
1, on Graphene/pet vector 2, etch Graphene, then silk-screen silver slurry, then entirety etches silver slurry and the conducting wire of Graphene;
2, the OCA that fits on the graphene conductive film 3 of a touch screen unit wherein fits glue 5, and the OCA that fits respectively on the carrier 2 and graphene conductive film 3 of another touch control unit fits glue 5;
3, two touch screen unit are fitted in intermediate elastomeric 1 respectively;
4, laminating protection cap 6 on the graphene conductive film 3 of a last touch screen unit wherein.
Embodiment described above is only the preferred embodiment lifted by absolutely proving this utility model, and protection domain of the present utility model is not limited to this.The equivalent that those skilled in the art are made on the basis of this utility model substitutes or conversion, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (6)
1. a mutual inductance type Graphene pressure touch screen, it is characterized in that: include intermediate elastomeric, described intermediate elastomeric be respectively provided on two sides with touch screen unit up and down, described touch screen unit includes carrier, described carrier is provided with graphene conductive film, described graphene conductive film be respectively provided on two sides with the conductive metallic material being positioned on described carrier;In two described touch screen unit; the graphene conductive film of one of them described touch screen unit, the carrier of another described touch screen unit are fitted by the two sides up and down of OCA laminating glue with described intermediate elastomeric respectively, and carrier is provided with protection cap by OCA laminating glue laminating on the graphene conductive film of the described touch screen unit of described intermediate elastomeric laminating.
Mutual inductance type Graphene pressure touch screen the most according to claim 1, it is characterised in that: described intermediate elastomeric uses PET, PMMA or PDMS to make.
Mutual inductance type Graphene pressure touch screen the most according to claim 1, it is characterised in that: described conductive metallic material is silver, silver slurry, copper, nickel, gold or aluminum.
Mutual inductance type Graphene pressure touch screen the most according to claim 1, it is characterised in that: described protection cap is rigid glass material or the PMMA of flexibility or rupture pressure disc.
Mutual inductance type Graphene pressure touch screen the most according to claim 1, it is characterised in that: described carrier uses PET to make.
Mutual inductance type Graphene pressure touch screen the most according to claim 1, it is characterised in that: described graphene conductive film includes a layer graphene, two layer graphenes, minority layer graphene or three-dimensional grapheme material film.
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Cited By (1)
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CN105468203A (en) * | 2016-02-04 | 2016-04-06 | 重庆墨希科技有限公司 | Mutual induction type graphene pressure touch screen |
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CN105468203A (en) * | 2016-02-04 | 2016-04-06 | 重庆墨希科技有限公司 | Mutual induction type graphene pressure touch screen |
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