CN205507724U - Graphite alkene self -induction formula pressure sensing touch -sensitive screen - Google Patents
Graphite alkene self -induction formula pressure sensing touch -sensitive screen Download PDFInfo
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- CN205507724U CN205507724U CN201620113398.4U CN201620113398U CN205507724U CN 205507724 U CN205507724 U CN 205507724U CN 201620113398 U CN201620113398 U CN 201620113398U CN 205507724 U CN205507724 U CN 205507724U
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- graphene
- pressure sensing
- sensing touch
- touch screen
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Abstract
The utility model discloses a graphite alkene self -induction formula pressure sensing touch -sensitive screen, including the basement, be equipped with graphite alkene conductive thin film in the basement, graphite alkene conductive thin film's both sides are equipped with metal material, and graphite alkene conductive thin film upward is equipped with the apron through the optical cement rather than the laminating. The utility model discloses a graphite alkene self -induction formula pressure sensing touch -sensitive screen utilizes unique nature of graphite alkene conductive thin film, has designed corresponding touch screen structure to realized the function of voltage -controlled touch, it not only can realize the concrete position that the location finger touched on the plane, in the third dimension, through the measuring of pressing different pressure to the finger, can realize three -dimensional signal input simultaneously.
Description
Technical field
This utility model relates to a kind of touch screen, concrete for a kind of Graphene self-induction type pressure sensing touch screen.
Background technology
Touch input mode is from the beginning of touch screens, and the large-scale application of capacitance plate improves electronics the most greatly and produces
The convenience of product input.From the beginning of Fructus Mali pumilae smart mobile phone first Application capacitance plate, capacitance plate experienced by the development of explosion type, its city
Field scale constantly expands.At present, capacitance plate market is owing to supply exceed demand, and product price constantly declines, and profit persistently reduces.Thus
Cause large quantities of small-scale capacitance plate production firm to close down.And no matter be touch screens or capacitance plate, it is all a kind of two dimension
Input mode, we can only position the position in plane.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of Graphene self-induction type pressure sensing touch screen, can lead to
The size crossing contact pressure applied presents different return signals, it is achieved three-dimensional touch.
For reaching above-mentioned purpose, this utility model following technical scheme of offer:
A kind of Graphene self-induction type pressure sensing touch screen, including substrate, described substrate is provided with graphene conductive film,
The both sides of described graphene conductive film are provided with and are positioned at described suprabasil metal material, and logical on described graphene conductive film
Cross optical cement and be fitted with cover plate with it.
Further, described substrate uses PET, PMMA or PDMS 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.
Further, described metal material is silver, silver slurry, copper, nickel, gold, aluminum, titanium alloy or nickel alloy.
Further, described graphene conductive film is etched to the figure set.
Further, described metal material is etched to the circuit set.
Further, described optical cement uses OCA optical cement.
The beneficial effects of the utility model are:
Graphene self-induction type pressure sensing touch screen of the present utility model, utilizes the peculiar property of graphene conductive film,
Devising corresponding touch screen structure, it is achieved thereby that the function of voltage-controlled touch, it can not only realize positioning hands in the plane
Refer to the particular location touched, simultaneously in third dimension, by the detection to finger down different pressures, the letter of three-dimensional can be realized
Number input.
Press when there is no finger, it is believed that at the signals such as Graphene is in the state of a balance, the resistance of Graphene
In a normal value；After the most certain pressure is pressed, the signals such as original poised state is broken, resistance produce change,
And under different pressure states, the intensity of variation of signal is different；By the situation of change of the signals of telecommunication such as detection resistance, we
Judge the size of pressure, thus realize the input of third dimension information.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, this utility model provides as follows
Accompanying drawing illustrates:
Fig. 1 is the structural representation of this utility model Graphene self-induction type pressure sensing touch screen embodiment；
Fig. 2 is the Making programme figure of the present embodiment Graphene self-induction type pressure sensing 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
This utility model can be better understood from 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 Graphene self-induction type pressure sensing touch screen embodiment.This
The Graphene self-induction type pressure sensing touch screen of embodiment, including substrate 1, substrate 1 is provided with graphene conductive film 2, graphite
The both sides of alkene conductive film 2 are provided with and are positioned at suprabasil metal material 3, and on graphene conductive film 2 by optical cement 4 and its
It is fitted with cover plate 5.The optical cement 4 of the present embodiment uses OCA optical cement.
Further, substrate 1 uses PET, PMMA or PDMS to make, and the substrate 1 of the present embodiment uses PET to make.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 graphene conductive film of the present embodiment includes a layer graphene conductive layer.Metal material 3 be silver, silver slurry, copper,
Nickel, gold, aluminum, titanium alloy or nickel alloy, the metal material 3 of the present embodiment is silver slurry.
Further, graphene conductive film 2 is etched to the figure set, and metal material 3 is etched to the circuit set.
The Graphene self-induction type pressure sensing touch screen of the present embodiment, utilizes the peculiar property of graphene conductive film 2, if
Having counted corresponding touch screen structure, it is achieved thereby that the function of voltage-controlled touch, it can not only realize positioning finger in the plane
The particular location touched, simultaneously in third dimension, by the detection to finger down different pressures, can realize the signal of three-dimensional
Input.Press when there is no finger, it is believed that the signals such as Graphene is in the state of a balance, the resistance of Graphene are in one
Individual normal value；After the most certain pressure is pressed, the signals such as original poised state is broken, resistance produce and change, and not
Under same pressure state, the intensity of variation of signal is different；By the situation of change of the signals of telecommunication such as detection resistance, we i.e. can determine whether
Go out the size of pressure, thus realize the input of third dimension information.
Below in conjunction with above-mentioned Graphene self-induction type pressure sensing touch screen to Graphene self-induction type pressure sensing touch screen system
The detailed description of the invention making method elaborates.
Graphene self-induction type pressure sensing touch screen manufacture method, comprises the steps:
1) mode of chemical vapor deposition is used to grow graphene conductive film 2 on metal, by graphene conductive film 2
Transfer in substrate 1, and at the both sides deposit material 3 of graphene conductive film 2；
2) engraving method is used graphene conductive film 2 to be etched to the figure set, to realize graphene conductive film 2
Graphical；
3) use engraving method that metal material 3 is etched to initialization circuit, and design self-induction type capacitance plate letter in circuit
Number testing circuit and the testing circuit of every Graphene line resistance signal of detection；By self-induction type capacitance plate signal deteching circuit
Can be achieved with the function of capacitance plate, third dimension can be realized by the testing circuit of every Graphene line resistance signal of detection
Touch-input function；
4) laminating optical cement 4 on patterned graphene conductive film 2, to realize Graphene pressure sensor design；
5) Graphene pressure transducer is bound with peripheral IC circuit, and cover plate 5 of fitting.
Embodiment described above is only the preferred embodiment lifted by absolutely proving this utility model, this utility model
Protection domain be not limited to this.The equivalent that those skilled in the art are made on the basis of this utility model substitutes or becomes
Change, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (7)
1. a Graphene self-induction type pressure sensing touch screen, it is characterised in that: include that substrate, described substrate are provided with Graphene
Conductive film, the both sides of described graphene conductive film are provided with and are positioned at described suprabasil metal material, and described Graphene is led
Cover plate it is fitted with it by optical cement on conductive film.
Graphene self-induction type pressure sensing touch screen the most according to claim 1, it is characterised in that: described substrate uses
PET, PMMA or PDMS make.
Graphene self-induction type pressure sensing touch screen the most according to claim 1, it is characterised in that: described graphene conductive
Thin film includes a layer graphene conductive layer, two-layer graphene conductive layer, minority layer graphene conductive layer or three-dimensional grapheme material
Thin film.
Graphene self-induction type pressure sensing touch screen the most according to claim 1, it is characterised in that: described metal material is
Silver, silver slurry, copper, nickel, gold, aluminum, titanium alloy or nickel alloy.
Graphene self-induction type pressure sensing touch screen the most according to claim 1, it is characterised in that: described graphene conductive
Film etching is the figure set.
Graphene self-induction type pressure sensing touch screen the most according to claim 1, it is characterised in that: described metal material loses
Carve the circuit for setting.
Graphene self-induction type pressure sensing touch screen the most according to claim 1, it is characterised in that: described optical cement uses
OCA optical cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620113398.4U CN205507724U (en) | 2016-02-04 | 2016-02-04 | Graphite alkene self -induction formula pressure sensing touch -sensitive screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620113398.4U CN205507724U (en) | 2016-02-04 | 2016-02-04 | Graphite alkene self -induction formula pressure sensing touch -sensitive screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205507724U true CN205507724U (en) | 2016-08-24 |
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ID=56724786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620113398.4U Active CN205507724U (en) | 2016-02-04 | 2016-02-04 | Graphite alkene self -induction formula pressure sensing touch -sensitive screen |
Country Status (1)
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| CN (1) | CN205507724U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487721A (en) * | 2016-02-04 | 2016-04-13 | 重庆墨希科技有限公司 | Graphene self-inductance type pressure-sensing touch screen and making method thereof |
| CN107782474A (en) * | 2017-02-17 | 2018-03-09 | 全普光电科技(上海)有限公司 | A kind of pressure detection devices based on graphene film |
-
2016
- 2016-02-04 CN CN201620113398.4U patent/CN205507724U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487721A (en) * | 2016-02-04 | 2016-04-13 | 重庆墨希科技有限公司 | Graphene self-inductance type pressure-sensing touch screen and making method thereof |
| CN107782474A (en) * | 2017-02-17 | 2018-03-09 | 全普光电科技(上海)有限公司 | A kind of pressure detection devices based on graphene film |
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| GR01 | Patent grant |