CN107479777A - A kind of capacitive touch screen based on nano material - Google Patents
A kind of capacitive touch screen based on nano material Download PDFInfo
- Publication number
- CN107479777A CN107479777A CN201710674767.6A CN201710674767A CN107479777A CN 107479777 A CN107479777 A CN 107479777A CN 201710674767 A CN201710674767 A CN 201710674767A CN 107479777 A CN107479777 A CN 107479777A
- Authority
- CN
- China
- Prior art keywords
- glass substrate
- layer
- nano
- film layer
- capacitive touch
- Prior art date
- 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.)
- Pending
Links
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
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Abstract
The invention discloses a kind of capacitive touch screen based on nano material, including glass substrate, carbon nano-tube film layer and protective layer, glass substrate includes inter-adhesive the first glass substrate and the second glass substrate, and light-transmissive film layer is provided with the intermediate course of the first glass substrate and the second glass substrate, the inner surface of second glass substrate is provided with thermal insulation layer, the outer surface of first glass substrate is provided with ITO electrode, ITO electrode is etched into a plurality of X-motor and Y electrode, X electrode and Y electrode are vertically staggered rear and carbon nano-tube film layer adhesion, carbon nano-tube film layer is interwoven by metal mold double-walled nanotubes, and nano silver material silk screen is equipped with carbon nano-tube film layer, several peripheral electrodes are connected with around nano silver material silk screen.The present invention, as conductive, is saved cost, protects environment using CNT and Nano Silver；In addition, touch-screen has greatly improved in heat-proof quality, light transmission and fastness.
Description
Technical field
The present invention relates to touch screen technology field, and in particular to a kind of capacitive touch screen based on nano material.
Background technology
The construction of capacitive touch screen mainly plates the thin-film body layer of layer of transparent in glass screen, then outside conductor layer
Plus a block protection glass, double Glass Designs can thoroughly protect conductor layer and inductor.Capacitance type touch control screen can simply be seen
Into being the screen body that is made up of four layers of combined screen：Outermost layer is glassivation, and followed by conductive layer, third layer is nonconducting glass
Glass screen, the most interior the 4th layer and conductive layer.Most inner conducting layer is screen layer, plays a part of shielding internal electric signal, in
Between conductive layer be whole touch screen key component, have direct lead on four angles or four edges, be responsible for touch point position
Detection.
Its operation principle of capacitive touch screen is：When finger touches capacitive touch screen, high frequency letter is connected in working face
Number, now finger forms a coupled capacitor with touch-screen working face, and this is equivalent to conductor, because there is high frequency letter on working face
Number, finger siphons away a low current in touch point when touching, and this low current is respectively from the electrode stream on four angles of touch-screen
Go out, flow through that the electric current of four electrodes is proportional to the air line distance of finger to corner, controller passes through to four current ratios
Calculate, you can draw contact point coordinate value.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of capacitive touch screen based on nano material, the electric capacity
It is low that formula touch-screen solves conventional condenser touch-screen antijamming capability, the problem of easily drift, while provides and changes
The place entered.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of capacitive touch screen based on nano material, including the glass substrate, the CNT that set from inside to outside are thin
Film layer and protective layer, the glass substrate include inter-adhesive the first glass substrate and the second glass substrate, and in the first glass
Light-transmissive film layer is provided with the intermediate course of glass substrate and the second glass substrate, the inner surface of second glass substrate is provided with heat-insulated
Layer, the outer surface of first glass substrate are provided with ITO electrode, and the ITO electrode is etched into a plurality of X electricity along X-direction
Machine and the Y electrode along Y direction, the X electrode and Y electrode are vertically staggered the rear and carbon nano-tube film layer adhesion,
The carbon nano-tube film layer is interwoven by metal mold double-walled nanotubes, and is equipped with Nano Silver in carbon nano-tube film layer
Material web, several peripheral electrodes are connected with around the nano silver material silk screen.
Further improvement is that the light-transmissive film layer includes the SiO that thickness is 0.10-0.13 μm2Film and thickness are
0.03-0.05 μm of TiO2Film.
Further improvement is that by carving on the surface to connect of first glass substrate and the second glass substrate
Liquid processing is lost, and forms the etch layer that thickness is 0.15 μm, the bonding for light-transmissive film layer.
Further improvement is that being provided with groove in the outer surface of first glass substrate, the ITO electrode is embedded in ditch
In groove.
Further improvement is that scribble insulating barrier in the groove, the insulating barrier is by ITO electrode and first glass
Glass substrate separates.
Further improvement is that the light transmittance of the carbon nano-tube film layer is 60~98%, electrical conductivity 10-2~5 ×
10-1s/cm。
Further improvement is that the protective layer is double-decker, it is toughened glass layer in outer layer, is silicon in internal layer
Native glassy layer.
Further improvement is that the thermal insulation layer is PET film, and clear crystals state indium tin is coated with PET film
Oxide skin(coating).
The beneficial effects of the invention are as follows：Using CNT and Nano Silver as conductive, do not provided by rare mineral
The limitation in source, and the carbon nano-tube film that plastic film mulch method is made has conductive anisotropy, reduces the techniques such as photoetching, etching and washing
Flow, cost is saved, contribute to environmental protection；In addition, touch-screen has very in heat-proof quality, light transmission and fastness
Big lifting, reduce interference of the environmental factor to touch-screen, be not in the feelings for causing touch-screen to fail because of electrical heating
Condition, reduce reflective and printing opacity non-uniform phenomenon generation.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Wherein, 1- glass substrates, the glass substrates of 11- first, the glass substrates of 12- second, 13- light-transmissive film layers, 14- are heat-insulated
Layer, 2- carbon nano-tube film layers, 3- protective layers, 31- toughened glass layers, 32- silicon soil glassy layers.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
As shown in figure 1, a kind of capacitive touch screen based on nano material, including set from inside to outside glass substrate 1,
Carbon nano-tube film layer 2 and protective layer 3, glass substrate 1 include inter-adhesive the first glass substrate 11 and the second glass substrate
12, and light-transmissive film layer 13, the second glass substrate are provided with the intermediate course of the first glass substrate 11 and the second glass substrate 12
12 inner surface is provided with thermal insulation layer 14, and the outer surface of the first glass substrate 11 is provided with ITO electrode, and ITO electrode is etched into a plurality of
X-motor along X-direction and the Y electrode along Y direction, X electrode and Y electrode are vertically staggered rear and carbon nano-tube film layer
2 adhesions, carbon nano-tube film layer 2 are interwoven by metal mold double-walled nanotubes, and are equipped with and are received in carbon nano-tube film layer 2
Rice ag material silk screen, is connected with several peripheral electrodes around nano silver material silk screen.
As preferred case, light-transmissive film layer 13 includes the SiO that thickness is 0.10-0.13 μm2Film and thickness are 0.03-
0.05 μm of TiO2Film.Light-transmissive film layer 13 can be very good to increase the light transmittance of glass, avoid that printing opacity is uneven, display distortion
Situation occur.
As preferred case, through over etching on the surface to connect of the first glass substrate 11 and the second glass substrate 12
Liquid processing, and form the etch layer that thickness is 0.15 μm, the bonding for light-transmissive film layer 13.
As preferred case, groove is provided with the outer surface of the first glass substrate 11, ITO electrode is in groove.
As preferred case, scribble insulating barrier in groove, insulating barrier by ITO electrode and first glass substrate every
Open.
As preferred case, the light transmittance of carbon nano-tube film layer 2 is 60~98%, electrical conductivity 10-2~5 × 10-1s/
cm。
As preferred case, protective layer 3 is double-decker, is toughened glass layer 31 in outer layer, is silicon soil in internal layer
Glassy layer 32.
As preferred case, thermal insulation layer 14 is PET film, and is aoxidized in PET film coated with clear crystals state indium tin
Nitride layer.
The present invention, as conductive, is not limited, and spread using CNT and Nano Silver by rare mineral resource
The carbon nano-tube film that film method is made has conductive anisotropy, reduces the technological processes such as photoetching, etching and washing, saves into
This, contributes to environmental protection；In addition, touch-screen has greatly improved in heat-proof quality, light transmission and fastness, reduce
Interference of the environmental factor to touch-screen, be not in the situation for causing touch-screen to fail because of electrical heating, reduce reflective
With the generation of printing opacity non-uniform phenomenon.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, the original for simply illustrating the present invention described in above-described embodiment and specification
Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (8)
- A kind of 1. capacitive touch screen based on nano material, it is characterised in that：Including glass substrate, the carbon set from inside to outside Nano-tube film layer and protective layer, the glass substrate include inter-adhesive the first glass substrate and the second glass substrate, and Light-transmissive film layer, the inner surface of second glass substrate are provided with the intermediate course of the first glass substrate and the second glass substrate Provided with thermal insulation layer, the outer surface of first glass substrate is provided with ITO electrode, and the ITO electrode is etched into a plurality of along X-axis side To X-motor and the Y electrode along Y direction, the X electrode and Y electrode be vertically staggered after with the carbon nano-tube film Layer adhesion, the carbon nano-tube film layer is interwoven by metal mold double-walled nanotubes, and is laid in carbon nano-tube film layer There is nano silver material silk screen, several peripheral electrodes are connected with around the nano silver material silk screen.
- A kind of 2. capacitive touch screen based on nano material according to claim 1, it is characterised in that：The light-transmissive film Layer includes the SiO that thickness is 0.10-0.13 μm2Film and the TiO that thickness is 0.03-0.05 μm2Film.
- A kind of 3. capacitive touch screen based on nano material according to claim 1, it is characterised in that：Described first Handled on the surface to connect of glass substrate and the second glass substrate by etching liquid, and form the quarter that thickness is 0.15 μm Lose layer, the bonding for light-transmissive film layer.
- A kind of 4. capacitive touch screen based on nano material according to claim 1, it is characterised in that：Described first The outer surface of glass substrate is provided with groove, and the ITO electrode is in groove.
- A kind of 5. capacitive touch screen based on nano material according to claim 4, it is characterised in that：In the groove Insulating barrier is inside scribbled, the insulating barrier separates ITO electrode and first glass substrate.
- A kind of 6. capacitive touch screen based on nano material according to claim 1, it is characterised in that：The carbon nanometer The light transmittance of pipe film layer is 60~98%, electrical conductivity 10-2~5 × 10-1s/cm。
- A kind of 7. capacitive touch screen based on nano material according to claim 1, it is characterised in that：The protective layer It is toughened glass layer in outer layer for double-decker, is silicon soil glassy layer in internal layer.
- A kind of 8. capacitive touch screen based on nano material according to claim 1, it is characterised in that：The thermal insulation layer For PET film, and clear crystals state indium tin oxide layer is coated with PET film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710674767.6A CN107479777A (en) | 2017-08-09 | 2017-08-09 | A kind of capacitive touch screen based on nano material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710674767.6A CN107479777A (en) | 2017-08-09 | 2017-08-09 | A kind of capacitive touch screen based on nano material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107479777A true CN107479777A (en) | 2017-12-15 |
Family
ID=60599736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710674767.6A Pending CN107479777A (en) | 2017-08-09 | 2017-08-09 | A kind of capacitive touch screen based on nano material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107479777A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112429717A (en) * | 2019-08-26 | 2021-03-02 | 鸿富锦精密工业（深圳）有限公司 | Film laying system of carbon nanotube film |
| CN112912726A (en) * | 2018-10-29 | 2021-06-04 | 应用材料公司 | Nanopore flow cell and method of manufacture |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101656122A (en) * | 2008-08-20 | 2010-02-24 | 首尔大学校产学协力团 | Transparent conductive films |
| CN102791808A (en) * | 2010-03-04 | 2012-11-21 | 格尔德殿工业公司 | Large-area transparent conductive coatings including doped CNTs and nanowire composites, and mehtods of making the same |
| CN103019493A (en) * | 2012-12-24 | 2013-04-03 | 无锡力合光电石墨烯应用研发中心有限公司 | Electrode structure for capacitive touch screens and preparation method thereof |
| US20140078417A1 (en) * | 2012-09-20 | 2014-03-20 | Tpk Touch Solutions (Xiamen) Inc. | Touch panel module, touch device and manufacturing method thereof |
| CN103838441A (en) * | 2012-11-23 | 2014-06-04 | 北京富纳特创新科技有限公司 | Capacitance type touch screen |
| CN203930769U (en) * | 2014-06-12 | 2014-11-05 | 宸鸿科技(厦门)有限公司 | Capacitance type touch-control panel |
-
2017
- 2017-08-09 CN CN201710674767.6A patent/CN107479777A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101656122A (en) * | 2008-08-20 | 2010-02-24 | 首尔大学校产学协力团 | Transparent conductive films |
| CN102791808A (en) * | 2010-03-04 | 2012-11-21 | 格尔德殿工业公司 | Large-area transparent conductive coatings including doped CNTs and nanowire composites, and mehtods of making the same |
| US20140078417A1 (en) * | 2012-09-20 | 2014-03-20 | Tpk Touch Solutions (Xiamen) Inc. | Touch panel module, touch device and manufacturing method thereof |
| CN103838441A (en) * | 2012-11-23 | 2014-06-04 | 北京富纳特创新科技有限公司 | Capacitance type touch screen |
| CN103019493A (en) * | 2012-12-24 | 2013-04-03 | 无锡力合光电石墨烯应用研发中心有限公司 | Electrode structure for capacitive touch screens and preparation method thereof |
| CN203930769U (en) * | 2014-06-12 | 2014-11-05 | 宸鸿科技(厦门)有限公司 | Capacitance type touch-control panel |
Non-Patent Citations (2)
| Title |
|---|
| 周志敏: "《图解触摸屏工程应用技巧》", 31 March 2012 * |
| 崔丽娜: "《原位生长法制备碳纳米管_纳米银线复合材料及其应用研究》", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112912726A (en) * | 2018-10-29 | 2021-06-04 | 应用材料公司 | Nanopore flow cell and method of manufacture |
| CN112429717A (en) * | 2019-08-26 | 2021-03-02 | 鸿富锦精密工业（深圳）有限公司 | Film laying system of carbon nanotube film |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9572238B2 (en) | Touch panel, touch display device and method for manufacturing the touch panel | |
| CN104317470B (en) | Mutual capacitance type OGS touch panels and its manufacture method | |
| KR20170060833A (en) | Touch panel and image display device comprising the same | |
| CN106847868A (en) | A kind of full frame fingerprint recognition and touch control integrated displayer | |
| CN102955615A (en) | Touch screen, touch display device and manufacturing method of touch screen | |
| CN106155432A (en) | A kind of laser etch process capacitance touch screen and manufacture method thereof | |
| CN107479284A (en) | A kind of array base palte and preparation method thereof, display panel | |
| CN103207712B (en) | Capacitive touch screen and preparation technology thereof | |
| TW201407441A (en) | Touch panel | |
| CN102541383B (en) | Non-lapping integrated capacitive touch screen without metal electrode layer and manufacturing method for non-lapping integrated capacitive touch screen | |
| CN107479777A (en) | A kind of capacitive touch screen based on nano material | |
| CN204288196U (en) | A kind of laser etch process capacitance touch screen | |
| KR20150006228A (en) | Touch panel | |
| CN102279677B (en) | Structure of touch panel and manufacturing method thereof | |
| TWI507938B (en) | Touch panel | |
| CN206363288U (en) | A kind of mutual capacitance touchscreens functional sheet | |
| CN203825594U (en) | Transparent induction layer structure of touch panel | |
| CN102841717B (en) | Capacitive touch screen and manufacturing method thereof | |
| CN202711208U (en) | Touch screen and touch display device | |
| CN106484205A (en) | A kind of mutual capacitance touchscreens functional sheet and preparation method thereof | |
| WO2015080442A1 (en) | Flexible hybrid substrate for display and method for manufacturing same | |
| CN204423348U (en) | A kind of Nano Silver OPS projection-type capacitive touch screen | |
| CN206379353U (en) | A kind of display device | |
| CN202870781U (en) | Touch screen and touch control display device | |
| CN203455792U (en) | Touch screen with double glass layers |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171215 |
|
| RJ01 | Rejection of invention patent application after publication |