CN107463298A - Capacitive touch screen - Google Patents
Capacitive touch screen Download PDFInfo
- Publication number
- CN107463298A CN107463298A CN201710702541.2A CN201710702541A CN107463298A CN 107463298 A CN107463298 A CN 107463298A CN 201710702541 A CN201710702541 A CN 201710702541A CN 107463298 A CN107463298 A CN 107463298A
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- CN
- China
- Prior art keywords
- layer
- touch screen
- capacitive touch
- super
- low resistance
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Laminated Bodies (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a kind of capacitive touch screen, including inductive layer and display layer, it is characterised in that：The inductive layer is arranged on the surface of hard conating, including substrate and conductive pattern layer, screen layer is provided between the inductive layer and display layer, the conductive pattern layer and screen layer form by super-low resistance nesa coating, the display layer is arranged on the side of the remote hard conating of inductive layer, the capacitive touch screen, the material of conductive pattern layer and screen layer is super-low resistance nesa coating, its special film structure, so that conductive pattern layer has good flexibility, significantly bending can be achieved and even fold；In addition, the sheet resistance value of super-low resistance nesa coating is smaller, there is good electric conductivity can be advantageously applied to large scale touch-screen field so that flexible capacitive touch screen has the possibility for realizing volume production.
Description
Technical field
The present invention relates to touch screen technology field, specially a kind of capacitive touch screen.
Background technology
As scientific technological advance is advanced by leaps and bounds, various new technologies, new invention emerge in an endless stream, and are applied rapidly and serviced
In society, expanding economy is greatly facilitated, touch-screen is answered extensively as a kind of simple, easily man-machine interaction mode
For the every field of our daily lifes, with the continuous improvement that people require, touch-screen is just towards large scale, high parsing
The direction such as degree, light, thin, flexible, inexpensive is developed.
In order to realize real product flexibility, flexible touch screen, you can bending touch-screen arises at the historic moment, with conventional touch
Screen is compared, and flexible touch screen is not only more frivolous in volume, also below original device in power consumption, contributes to lifting means
Endurance, while conventional rigid touch-screen is also much higher than based on its characteristic flexible, that pliability is good, its robustness,
Reduce the probability of equipment accidental injury, while have that volume is smaller, it is more robust and the effect being convenient for carrying can be bent, also because
The application of its low-power consumption, flexible characteristic to wearable device brings far-reaching influence.
But present flexible capacitive touch screen can only realize that part is bent so that volume production can not be realized, and can not answer
For large scale touch-screen field.
The content of the invention
It is an object of the invention to provide a kind of capacitive touch screen, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of capacitive touch screen, including inductive layer and display layer, it is characterised in that：The inductive layer is arranged on hard conating
Surface on, including substrate and conductive pattern layer are provided with screen layer, the conductive pattern layer between the inductive layer and display layer
Formed with screen layer by super-low resistance nesa coating, the display layer is arranged on the side of the remote hard conating of inductive layer.
Preferably, the visible light transmissivity of the super-low resistance nesa coating be 87%~93%, thickness be more than 0 μm and
Less than 100 μm, preferably 8 μm~10 μm, sheet resistance value is 0.01~50 ohm.
Preferably, the hard coat layer thickness is 5~50 μm, preferably 5~10 μm.
Preferably, the most external of the display layer is provided with protective layer, and the protective layer is the thick silicon soil glass of 0~0.0015mm
Glass protective layer.
Preferably, the substrate is flexible and transparent substrate layer, preferably PET material layer.
Preferably, the super-low resistance nesa coating includes the first ITO conductive layer, the bottom of first ITO conductive layer
Portion is sequentially provided with the first anti oxidation layer, metal level, the second anti oxidation layer and the second ITO conductive layer, the metal level from top to bottom
For layer gold or silver layer, the preferably thickness of metal level is 5nm~10nm.
Compared with prior art, the beneficial effects of the invention are as follows：The capacitive touch screen, conductive pattern layer and screen layer
Material is super-low resistance nesa coating, its special film structure so that conductive pattern layer has good flexibility, can be achieved
Significantly bending even folds；In addition, the sheet resistance value of super-low resistance nesa coating is smaller, have good electric conductivity can
Enough it is advantageously applied to large scale touch-screen field so that flexible capacitive touch screen has the possibility for realizing volume production.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural profile illustration of the superlow resistance conductive film of the present invention；
Fig. 3 is the structural profile illustration of the inductive layer of the present invention.
In figure：1 hard conating, 2 inductive layers, 21 substrates, 22 conductive pattern layers, 3 screen layers, 31 first ITO conductive layers, 32
One anti oxidation layer, 33 metal levels, 34 second anti oxidation layers, 35 second ITO conductive layers, 4 display layers, 5 protective layers.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme：
A kind of capacitive touch screen, including inductive layer 2 and display layer 4, it is characterised in that：The inductive layer 2 is arranged on firmly
On the surface of coating 1, including substrate 21 and conductive pattern layer 22, screen layer 3, institute are provided between the inductive layer 2 and display layer 4
State conductive pattern layer 22 and screen layer 3 to form by super-low resistance nesa coating, the display layer 4 is arranged on inductive layer 2
Side away from hard conating 1.
Capacitive touch screen with said structure, inductive layer 2 are arranged on the surface of hard conating 1 so that inductive layer 2 is resistance to
Bending；The material of conductive pattern layer 22 is super-low resistance nesa coating, its special film structure so that conductive pattern layer has
There is good flexibility, significantly bending can be achieved and even fold；In addition, the sheet resistance value of super-low resistance nesa coating is smaller, tool
There is good electric conductivity to be advantageously applied to large scale touch-screen field so that flexible capacitive touch screen has real
The possibility of existing volume production.
In order to ensure that super-low resistance nesa coating will not be broken off when bending degree is larger so that capacitive touch screen
With more preferable resistance to bend(ing).
The thickness of currently preferred hard conating 10 is 5~50 μm；In order to ensure that it is more preferable resistance to that capacitive touch screen has
On the basis of bendability, it is further ensured that capacitive touch screen has good flexibility and light transmittance, it is further preferably hard to apply
The thickness of layer 10 is 5~10 μm.
The most external of currently preferred display layer 4 is provided with protective layer 5, and the protective layer 5 is the thick silicons of 0~0.0015mm
Native glassivation
In a kind of preferred embodiment of the present invention, the thickness of super-low resistance nesa coating is 5~100nm, so
Thickness enable to super-low resistance nesa coating to realize good bending fold, in order that super-low resistance nesa coating
Flexibility reaches more excellent, and the thickness of further preferred super-low resistance nesa coating is 8 μm~10 μm.
In another preferred embodiment of the present invention, preferably aforesaid substrate 21 is flexible and transparent substrate layer, on the one hand soft
Property transparent substrate layer there is good flexibility, can be achieved significantly to bend and even fold；On the other hand, it can make inductive layer
2 keep preferable electrical property in high temperature, high frequency, and in order to improve above-mentioned each performance of flexible and transparent substrate layer, the present invention enters one
Step is preferably PET material layer.
As shown in Fig. 2 the present invention preferably super-low resistance nesa coating includes：First ITO conductive layer 31, first is anti-oxidant
Layer 32, metal level 33, the second anti oxidation layer 34 and the second ITO conductive layer 35；
In another preferred embodiment of the present invention, metal level preferably described above is layer gold or silver layer, is preferably
The thickness of metal level is 5nm~10nm, because Jin Yuyin resistivity very little, with super-low resistance nesa coating
After one ITO conductive layer 31, the first anti oxidation layer 32, the second anti oxidation layer 34 and the doping of the gap of the second ITO conductive layer 35, one can be entered
Step reduces the resistivity of super-low resistance nesa coating, and then improves sensitivity and the driving force of capacitive touch screen.In order to
Further ensure that super-low resistance nesa coating has good electric conductivity and flexibility simultaneously.
In another preferred embodiment of the present invention, the preferably above-mentioned ITO conductive layer of first ITO conductive layer 31 and second
The summation of 35 optical thickness is 0.8~2.0 optical unit.So on the one hand cause the total thickness of super-low resistance nesa coating
Degree is smaller, ensure that it has good flexibility；On the other hand, suction of the above-mentioned super-low resistance nesa coating to light can be reduced
Receive, enable to absorption and reflection of the super-low resistance nesa coating to light to reduce, and then light transmittance is reached higher value, in order to
Make the manufacture craft of super-low resistance nesa coating simple and convenient, preferably the first ITO conductive layer 31 and the 2nd ITO of the invention are conductive
The optical thickness of layer 35 is equal.In order to improve the light transmittance of super-low resistance nesa coating, preferably the first ITO conductive layer of the invention
31 and second the refractive index of ITO conductive layer 35 be all higher than 2.
Similarly, it will be appreciated that in order to simplify the disclosure and help to understand one or more of each inventive aspect,
Above in the description to the exemplary embodiment of the present invention, each feature of the invention is grouped together into single implementation sometimes
In example, figure or descriptions thereof.However, the method for the disclosure should be construed to reflect following intention：I.e. required guarantor
The application claims of shield are than the feature more features that is expressly recited in each claim.More precisely, as following
As claims reflect, inventive aspect is all features less than single embodiment disclosed above.Therefore, abide by
Thus the claims for following embodiment are expressly incorporated in the embodiment, wherein each claim is in itself
Separate embodiments as the present invention.
As used in this, unless specifically stated so, come using ordinal number " first ", " second ", " the 3rd " etc.
Description plain objects are merely representative of the different instances for being related to similar object, and are not intended to imply that the object being so described must
Must have the time it is upper, spatially, in terms of sequence or given order in any other manner
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of capacitive touch screen, including inductive layer (2) and display layer (4), it is characterised in that：The inductive layer (2) is set
On the surface of hard conating (1), including substrate (21) and conductive pattern layer (22), between the inductive layer (2) and display layer (4)
Provided with screen layer (3), the conductive pattern layer (22) and screen layer (3) form by super-low resistance nesa coating, described aobvious
Show that layer (4) is arranged on the side of the remote hard conating (1) of inductive layer (2).
A kind of 2. capacitive touch screen according to claim 1, it is characterised in that：The super-low resistance nesa coating
Visible light transmissivity is 87%~93%, and thickness is more than 0 μm and less than 100 μm, preferably 8 μm~10 μm, and sheet resistance value is 0.01
~50 ohm.
A kind of 3. capacitive touch screen according to claim 1, it is characterised in that：Hard conating (1) thickness is 5~50
μm, preferably 5~10 μm.
A kind of 4. capacitive touch screen according to claim 1, it is characterised in that：The most external of the display layer (4) is set
Matcoveredn (5), the protective layer (5) are the thick silicon soil glassivations of 0~0.0015mm.
A kind of 5. capacitive touch screen according to claim 1, it is characterised in that：The substrate (21) is flexible and transparent base
Material layer, preferably PET material layer.
A kind of 6. capacitive touch screen according to claim 1, it is characterised in that：The super-low resistance nesa coating bag
The first ITO conductive layer (31) is included, the bottom of first ITO conductive layer (31) is sequentially provided with the first anti oxidation layer from top to bottom
(32), metal level (33), the second anti oxidation layer (34) and the second ITO conductive layer (35), the metal level are layer gold or silver layer, excellent
The thickness for electing metal level as is 5nm~10nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710702541.2A CN107463298A (en) | 2017-08-16 | 2017-08-16 | Capacitive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710702541.2A CN107463298A (en) | 2017-08-16 | 2017-08-16 | Capacitive touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107463298A true CN107463298A (en) | 2017-12-12 |
Family
ID=60549895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710702541.2A Withdrawn CN107463298A (en) | 2017-08-16 | 2017-08-16 | Capacitive touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107463298A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233678A (en) * | 2018-09-20 | 2019-01-18 | 杨泽川 | A kind of safeguard film for cellular phone with game function |
| CN114335079A (en) * | 2021-09-18 | 2022-04-12 | 苏州清听声学科技有限公司 | Curved surface directional ultrasonic device |
Citations (6)
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|---|---|---|---|---|
| CN102968239A (en) * | 2012-12-17 | 2013-03-13 | 苏州合美硕触控技术有限公司 | Capacitive bending type touch screen and manufacturing method thereof |
| CN104298413A (en) * | 2014-11-14 | 2015-01-21 | 张家港康得新光电材料有限公司 | Capacitive touch screen |
| CN104298414A (en) * | 2014-11-14 | 2015-01-21 | 张家港康得新光电材料有限公司 | Capacitive touch screen |
| CN104317468A (en) * | 2014-11-14 | 2015-01-28 | 张家港康得新光电材料有限公司 | Capacitive touch screen |
| CN205121534U (en) * | 2015-11-24 | 2016-03-30 | 广东天圣网络科技有限公司 | Novel electric capacity touch all -in -one |
| CN106445268A (en) * | 2016-11-28 | 2017-02-22 | 安徽瑞沃电子科技有限公司 | Capacitive touch screen |
-
2017
- 2017-08-16 CN CN201710702541.2A patent/CN107463298A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102968239A (en) * | 2012-12-17 | 2013-03-13 | 苏州合美硕触控技术有限公司 | Capacitive bending type touch screen and manufacturing method thereof |
| CN104298413A (en) * | 2014-11-14 | 2015-01-21 | 张家港康得新光电材料有限公司 | Capacitive touch screen |
| CN104298414A (en) * | 2014-11-14 | 2015-01-21 | 张家港康得新光电材料有限公司 | Capacitive touch screen |
| CN104317468A (en) * | 2014-11-14 | 2015-01-28 | 张家港康得新光电材料有限公司 | Capacitive touch screen |
| CN205121534U (en) * | 2015-11-24 | 2016-03-30 | 广东天圣网络科技有限公司 | Novel electric capacity touch all -in -one |
| CN106445268A (en) * | 2016-11-28 | 2017-02-22 | 安徽瑞沃电子科技有限公司 | Capacitive touch screen |
Non-Patent Citations (1)
| Title |
|---|
| 陆冰: "《生活电子》", 31 January 2015 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233678A (en) * | 2018-09-20 | 2019-01-18 | 杨泽川 | A kind of safeguard film for cellular phone with game function |
| WO2020057273A1 (en) * | 2018-09-20 | 2020-03-26 | 杨泽川 | Mobile-phone protective film with game function |
| CN114335079A (en) * | 2021-09-18 | 2022-04-12 | 苏州清听声学科技有限公司 | Curved surface directional ultrasonic device |
| CN114335079B (en) * | 2021-09-18 | 2023-11-21 | 苏州清听声学科技有限公司 | Curved surface directional ultrasonic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171212 |
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| WW01 | Invention patent application withdrawn after publication |