CN206363289U - Resistive touch screen - Google Patents
Resistive touch screen Download PDFInfo
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- CN206363289U CN206363289U CN201621413444.9U CN201621413444U CN206363289U CN 206363289 U CN206363289 U CN 206363289U CN 201621413444 U CN201621413444 U CN 201621413444U CN 206363289 U CN206363289 U CN 206363289U
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- transparency conducting
- layer
- conducting layer
- touch screen
- resistive touch
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Abstract
The utility model discloses a kind of resistive touch screen, including basic unit and superficial layer, the upper surface of basic unit is provided with the first transparency conducting layer, the lower surface of superficial layer is provided with the second transparency conducting layer, because the upper surface of the first transparency conducting layer and the lower surface of the second transparency conducting layer are all rough surface, it has been equipped with transparent protuberant particles, when applying pressure on screen, the transparent protuberant particles meeting preferential contact of two layers of layer at transparent layer, so as to improve the touch sensitivity of electric resistance touch screen, the loss of transparency conducting layer can be reduced again, extend the life-span of electric resistance touch screen.
Description
Technical field
The utility model is related to touch-screen field, more particularly to a kind of resistive touch screen.
Background technology
The screen body portion of electric resistance touch screen, which is one piece, is attached to the multi-layer compound film of display screen surface, and substantially film adds
ITO (nano indium tin metal oxide) coating, ITO coatings are scribbled in the structure of upper glass, the film one side adjacent with glass
With good electric conductivity and the transparency.There are many tiny transparent insulation isolation particles between two layers of ITO coating so that two
It is between layer ITO coatings in no application pressure and is dielectrically separated from state.When touch operation, the ITO of film lower floor can connect
The ITO of glass superstrate is contacted, corresponding electric signal is spread out of via inductor, is sent to processor by change-over circuit, passes through computing
X on screen, Y value are converted into, and completes the action that clicks, and is presented on screen.
Due to electric resistance touch screen in use, the ITO of film lower floor constantly contacts the ITO of glass superstrate, when long
Between after, surface ITO constantly weares and teares, and causes sensitivity decrease, subregion short circuit, service life reduction.It is electric in the market
Appearance formula touch-screen can overcome all the problems above, also therefore as main flow, but market segment field because of cost reason still
Resistive touch screen, therefore sensitivity and its service life of extension of enhancing resistive touch screen are continued to use, is captured as needs
Problem.
Utility model content
In order to solve the drawbacks described above that the electric resistance touch screen of prior art is present, the utility model embodiment provides one kind
Electric resistance touch screen, the electric resistance touch screen improves touch sensitivity and service life.The technical scheme is as follows：
A kind of resistive touch screen, including basic unit and superficial layer, the first transparency conducting layer is provided with the upper surface of basic unit,
The lower surface of superficial layer is provided with the second transparency conducting layer, set between the first transparency conducting layer and the second transparency conducting layer
There is transparent insulation to isolate particle, it is characterised in that：Under the upper surface and the second transparency conducting layer of first transparency conducting layer
The roughness on surface is 1nm-6nm.
It is preferred that, the roughness of the upper surface of first transparency conducting layer and the lower surface of the second transparency conducting layer is
1.5nm-3.5nm。
Further, the material of the first transparency conducting layer and the second transparency conducting layer is In2O3:TiO2、In2O3:SnO2、
In2O3:ZnO2One kind therein.
It is preferred that, the material of first transparency conducting layer and the second transparency conducting layer is In2O3:TiO2, TiO2Weight
Percentage is 1%-5%In2O3:TiO2。
Further, the thickness of first transparency conducting layer and the second transparency conducting layer is 15nm-25nm.
Further, the basic unit is glassy layer, and the superficial layer is film layer.
Further, a kind of method that use magnetron sputtering prepares the resistive touch screen described in claim 1, its feature
It is：Flow including setting argon gas is 150sccm-200sccm, and the flow of oxygen is 0.5sccm-1sccm；Working power is
Alternating current or direct current.
The beneficial effects of the utility model are：The electric resistance touch screen that the utility model embodiment is provided, due to first transparent
The lower surface of the upper surface of conductive layer and the second transparency conducting layer is all rough surface, has been equipped with transparent protuberant particles, when
When applying pressure on screen, the transparent protuberant particles meeting preferential contact of two layers of layer at transparent layer, so as to improve resistance
The touch sensitivity of touch-screen, can reduce the loss of transparency conducting layer again, extend the life-span of electric resistance touch screen.
Brief description of the drawings
Fig. 1 is the structural representation of resistive touch screen of the present utility model；
Fig. 2 be comparative example prepare resistive touch screen conductive layer surface microscopic topographic figure (SEM,
SEM)；
Fig. 3 is the surface microscopic topographic figure (scanning electron microscopy of resistive touch screen conductive layer prepared by embodiment 1
Mirror, SEM)；
Fig. 4 be embodiment 1 prepare resistive touch screen conductive layer surface microscopic topographic figure (AFM,
AFM)；
Fig. 5 be embodiment 2 prepare resistive touch screen conductive layer surface microscopic topographic figure (AFM,
AFM)；
Fig. 6 be embodiment 3 prepare resistive touch screen conductive layer surface microscopic topographic figure (AFM,
AFM)；
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment obtained, belongs to the scope of the utility model protection.
As described in background technology, the electric resistance touch screen of prior art in use, upper and lower two layers of electrically conducting transparent
ITO layer is worn and torn after constantly contacting for a long time, causes electric resistance touch screen sensitivity decrease, and subregion is short-circuit,
Service life is reduced.In order to solve the technical problem, the utility model embodiment provides a kind of electric resistance touch screen.
As shown in figure 1, Fig. 1 shows the multi-layer compound structure in the electric resistance touch screen that the utility model is provided, the electricity
Hindering touch-screen includes basic unit 1 and superficial layer 2, the first transparency conducting layer 3 is provided with the upper surface of basic unit 1, under superficial layer 2
Surface is provided with the second transparency conducting layer 4, is provided between the first transparency conducting layer 3 and the second transparency conducting layer 4 transparent exhausted
Edge isolates particle 5；The upper surface of first transparency conducting layer and the lower surface of the second transparency conducting layer are equipped with and are integrally formed
Transparent protuberant particles, and its roughness be 1nm-6nm so that two layers of transparency conducting layer in electric resistance touch screen more holds
Easily contact, so as to improve the touch sensitivity of electric resistance touch screen.
In order to further improve the service life of above-mentioned electric resistance touch screen, the upper surface of the first transparency conducting layer and second saturating
The roughness of the lower surface of bright conductive layer is preferably 1.5nm-3.5nm.
In order to obtain good electric conductivity and the transparency, the material of above-mentioned first transparency conducting layer and the second transparency conducting layer
Material is mainly selected from In2O3And TiO2Composite oxides, In2O3And SnO2Composite oxides, In2O3And ZnO2Composite oxides
One kind therein.
In a kind of preferred embodiment of the application, the material of above-mentioned first transparency conducting layer and the second transparency conducting layer is
In2O3And TiO2Composite oxides, and TiO2Percentage by weight account for total composite oxides 1%-5% so that it is final
To the surface roughness of transparency conducting layer be relatively easy to control.
The thickness of above-mentioned transparency conducting layer is particularly in 15nm-25nm scope more preferably more preferably greater than 10nm.It is transparent to lead
When the thickness of electric layer is less than 10nm, resistance is higher, causes the touch sensitivity of touch-screen relatively low.
Superficial layer or basic unit that the utility model is used, as long as disclosure satisfy that the material of the transparency, without special
Limitation, various applicable glass plate or the fexible film sheet materials that can be known to the skilled person, for example, glass plate can be preferential
From Pyrex, soda-lime glass etc.；The material of fexible film sheet material is preferably PET (PET), poly- carbonic acid
Resin (PC), polymethacrylates (PMMA), poly-naphthalene dicarboxylic acid glycol ester (PEN) etc..In a kind of preferred reality of the application
Apply in example, above-mentioned basic unit is set to glassy layer, superficial layer is set to film layer.
As the film build method of transparency conducting layer of the present utility model, there are vacuum vapour deposition, sputtering method, CVD, ion plating
Method, metallikon etc., suitably can select the above method with required thickness.The preferred magnetron sputtering method conduct of the utility model
The film build method of transparency conducting layer, wherein, as reactant gas, oxygen-containing gas can be the mixing of oxygen and inert gas
The gaseous mixture of gas, or air, preferably oxygen and inert gas.Inert gas can be nitrogen, helium, neon, argon
At least one of gas, Krypton, xenon and radon gas.Further, can also be right in the range of the purpose of this utility model is not damaged
Base material applies the bias such as direct current, exchange, high frequency.In a kind of preferred embodiment of the application, the flow of argon gas has been preferably provided with
For 150sccm-200sccm, the flow of oxygen is 0.5sccm-1sccm.
Below with reference to embodiment and comparative example, the beneficial effect of the application is further illustrated.
Embodiment 1~5
At ambient temperature, formed using the method for magnetron sputtering on basic unit (glassy layer), superficial layer (film layer)
In2O3:TiO2Film, wherein, TiO2Weight be In2O3And TiO2Composite oxides weight summation 1%-5%, main work
Skill parameter refers to table 1.
Embodiment 6
It is to form In on basic unit (glassy layer), superficial layer (film layer) with the difference of embodiment 12O3:ZnO2
Film, wherein, ZnO2Weight be In2O3And ZnO2Composite oxides weight summation 3%.
Comparative example
It is to form In on basic unit (glassy layer), superficial layer (film layer) with the difference of embodiment 12O3:SnO2
Film, wherein, SnO2Weight be In2O3And SnO2Composite oxides weight summation 4%.
In addition, table 1 also show it is transparent used in the resistive touch screen that embodiment 1~6 and comparative example are prepared
The surface roughness of conductive layer, resistive touch screen get the performance test results such as test ready, and Fig. 2~Fig. 6 respectively show
The surface microscopic topographic figure of conductive layer prepared by embodiment 1~3 and comparative example, so as to learn, prepared by embodiment 1~3
The surface relief structure of conductive layer is obvious compared with conductive layer prepared by comparative example, so that the touch sensitivity of resistive touch screen is obtained
To raising；The number of times of getting ready of resistive touch screen prepared by embodiment 1~6 is substantially wanted than resistive touch screen prepared by comparative example
Many, i.e., embodiment 1~6 prepares the life-span that conductive layer extends resistive touch screen.
Table 1
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art is in the technical scope that the utility model is disclosed, the change that can be readily occurred in
Change or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should it is described with
Scope of the claims is defined.
Claims (6)
1. a kind of resistive touch screen, including basic unit and superficial layer, the first transparency conducting layer is provided with the upper surface of basic unit,
The lower surface of superficial layer is provided with the second transparency conducting layer, is provided between the first transparency conducting layer and the second transparency conducting layer
Transparent insulation isolates particle, it is characterised in that：The upper surface of first transparency conducting layer and the following table of the second transparency conducting layer
The roughness in face is 1nm-6nm.
2. resistive touch screen according to claim 1, it is characterised in that：The upper surface of first transparency conducting layer and
The roughness of the lower surface of second transparency conducting layer is 1.5nm-3.5nm.
3. resistive touch screen according to claim 1 or 2, it is characterised in that：First transparency conducting layer and second
The material of transparency conducting layer is In2O3:TiO2、In2O3:SnO2、In2O3:ZnO2One kind therein.
4. resistive touch screen according to claim 1 or 2, it is characterised in that：First transparency conducting layer and second
The material of transparency conducting layer is In2O3:TiO2, TiO2Percentage by weight be 1%-5%In2O3:TiO2。
5. resistive touch screen according to claim 1, it is characterised in that：First transparency conducting layer and second transparent
The thickness of conductive layer is 15nm-25nm.
6. resistive touch screen according to claim 1, it is characterised in that：The basic unit is glassy layer, the superficial layer
For film layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621413444.9U CN206363289U (en) | 2016-12-22 | 2016-12-22 | Resistive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621413444.9U CN206363289U (en) | 2016-12-22 | 2016-12-22 | Resistive touch screen |
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| Publication Number | Publication Date |
|---|---|
| CN206363289U true CN206363289U (en) | 2017-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621413444.9U Active CN206363289U (en) | 2016-12-22 | 2016-12-22 | Resistive touch screen |
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|---|---|
| CN (1) | CN206363289U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106843623A (en) * | 2016-12-22 | 2017-06-13 | 张家港康得新光电材料有限公司 | A kind of resistive touch screen |
-
2016
- 2016-12-22 CN CN201621413444.9U patent/CN206363289U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106843623A (en) * | 2016-12-22 | 2017-06-13 | 张家港康得新光电材料有限公司 | A kind of resistive touch screen |
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Effective date of registration: 20190121 Granted publication date: 20170728 |
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