CN107688417A - Novel and multifunctional capacitance touch screen - Google Patents
Novel and multifunctional capacitance touch screen Download PDFInfo
- Publication number
- CN107688417A CN107688417A CN201710940207.0A CN201710940207A CN107688417A CN 107688417 A CN107688417 A CN 107688417A CN 201710940207 A CN201710940207 A CN 201710940207A CN 107688417 A CN107688417 A CN 107688417A
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- China
- Prior art keywords
- glass
- emi
- novel
- touch screen
- thin film
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Classifications
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- 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
Abstract
The invention discloses novel and multifunctional capacitance touch screen, including：Cover Lens glass, flexible PCB (FPC), Sensor glass and the EMI glass set gradually from top to bottom, wherein, it is fixed together between Cover Lens glass and flexible PCB (FPC) by OCA joint adhesives；Sensor glass and EMI glass are similarly fixed together using OCA joint adhesives, and Sensor glass is drawn gold thread and is connected with FPC；The upper and lower surface of EMI glass plates one layer of ito thin film respectively, and the ito thin film resistance of the upper surface of EMI glass is less than 15 Ω/, as electromagnetic shielding；The lower surface ito thin film of EMI glass is used as adding thermal resistance.The novel and multifunctional capacitance touch screen improves the military environment requirements such as military airborne indicator electromagnetic shielding and started quickly at low temperature, while reduces airborne indicator product operation technology difficulty.
Description
Technical field
The present invention relates to touch-screen field, in particular it relates to a kind of novel and multifunctional capacitance touch screen.
Background technology
With the development of science and technology and information technology, touch-screen penetrates into people as newest human-computer interaction technology
The every aspect of life, and have been applied in airborne display system.It is mesh because touch-screen is as newest input equipment
It is preceding it is most simple, conveniently, certainly however comfortable input unit, have fast reaction speed, saving space, it is sturdy and durable, be easy to exchange
Many advantages, such as.Exactly these plurality of advantages, cause various countries generally to attach the importance, and put into substantial amounts of human and material resources and financial resources
Researched and developed, novel touch screen is disconnected to be occurred.Specialization, three-dimensional, giant-screen, Highgrade integration, highly reliable is presented in touch-screen
The trend developments such as property.It is contemplated that developing rapidly with touching technique, the application field of touch-screen will be more and more, also get over
Come wider.Also, Aeronautics and Astronautics is especially to the swift and violent growth of LCD display, especially to touch-screen it is also proposed that higher requirement, such as
Resist strong light, there is low reflection, meet harsh electromagnetic environment requirements etc..
The species of touch-screen is relatively more, can be divided into surface acoustic wave touch screen, resistance-type according to the difference of operation principle
Four kinds of touch-screen, capacitive touch screen and infrared type touch-screen.Surface acoustic wave touch screen and infrared type touch-screen by framework or
Clear glass is formed, and light transmission rate is high, is clearly not easy to be damaged, but due to taking the space on display screen outward appearance is not so good as
Diaphragm type it is attractive in appearance.Surface acoustic wave touch screen surface can slow up if water droplet, dust, and infrared type touch-screen is by the external world
The influence of light, antijamming capability are poor；Resistive touch screen and capacitive touch screen are made up of the film of MULTILAYER COMPOSITE, are not take up
The space of display screen, but light transmission rate is low.As can be seen here, the touch-screen of all polymorphic types existing for existing market, these touches
Screen has respective advantage and disadvantage.In addition, the capacitance touch screen that in the market is primarily present is the structures such as G+G, G+F+F, but not
Military environment requirement can be met.
A kind of it thus provides military airborne indicator electromagnetic shielding and low of can effectively improving in use
The military environment requirements such as warm quick startup, while airborne indicator product operation technology difficulty is reduced, improve airborne LCD and show
Show the reliability of device and the problem of consistently novel and multifunctional capacitance touch screen is urgent need to resolve of the present invention.
The content of the invention
For above-mentioned technical problem, the purpose of the present invention is to overcome touch-screen of the prior art to have respective advantage and disadvantage,
In addition, the capacitance touch screen that in the market is primarily present is the structures such as G+G, G+F+F, but it can not all meet military environment requirement
Problem, a kind of military airborne indicator electromagnetic shielding can be effectively improved in use and low temperature is fast so as to provide
The military environment requirement such as speed startup, while airborne indicator product operation technology difficulty is reduced, improve airborne LCD display
Reliability and consistently novel and multifunctional capacitance touch screen.
To achieve these goals, the invention provides novel and multifunctional capacitance touch screen, the novel and multifunctional electric capacity
Touch-screen includes：Cover Lens glass, flexible PCB (FPC), Sensor glass and the EMI glass set gradually from top to bottom
Glass, wherein, it is fixed together between the Cover Lens glass and the flexible PCB (FPC) by OCA joint adhesives；Institute
State Sensor glass and the EMI glass is similarly fixed together using OCA joint adhesives, the Sensor glass draws gold thread
It is connected with the FPC；The upper and lower surface of the EMI glass plates one layer of ito thin film, the upper table of the EMI glass respectively
The ito thin film resistance in face is less than 15 Ω/, as electromagnetic shielding；The lower surface ito thin film of the EMI glass is used as heating electricity
Resistance, the calculation formula of its resistance are：
RPole=(LU/LI)×RMouthful；
Wherein, RPoleFor electrode resistance, the resistance value of the lower surface ito thin film of as described EMI glass；LUWalked for voltage U
The path width crossed, LIThe path length passed by for electric current I, RMouthfulFor square resistance.
Preferably, the surface of the Cover Lens glass needs to carry out chemical intensification treatment using ion-exchange, carries
The intensity of the high Cover Lens glass.
Preferably, the upper surface of the Cover Lens glass also carries out AR coating film treatments.
Preferably, the ito thin film Standard resistance range of the upper surface of the EMI glass is in 5-10 Ω/.
Preferably, the ito thin film Standard resistance range of the upper surface of the EMI glass is in 7-9 Ω/.
Preferably, the ito thin film Standard resistance range of the upper surface of the EMI glass is in 8 Ω/.
Preferably, the novel and multifunctional capacitance touch screen also includes control panel, and the control panel electrically connects with the FPC
Connect, for the operation information of user to be acquired and handled.
According to above-mentioned technical proposal, in novel and multifunctional capacitance touch screen provided by the invention, the Cover Lens
Glass, the Sensor glass and the EMI glass are all function coated glass, wherein, the Cover Lens glass is main
Realize that strong light is readable, function of antivibration, the Sensor glass mainly realizes multi-touch function, in Sensor working linings, shape
Into ranks electrode matrix, when finger touches, the minor variations of electric capacity are formed, realize inducing function, the EMI glass is mainly real
Now electromagnetic shielding and heating function, the EMI glass top surfaces plate one layer of resistance and are less than 15 Ω/ ito thin films, so as to realize electricity
The effect of magnetic screen, the EMI lower glass surfaces are also coated with one layer of ito thin film, played as adding thermal resistance, are touched so as to realize
The function of quickly starting under the low temperature condition of screen, wherein, the resistance that the EMI lower glass surfaces are also coated with one layer of ito thin film is
Based on actual product, according to calculation formula：RPole=(LU/LI)×RMouthfulRespective resistance values can be drawn.It is provided by the invention new more
Function capacitance touch screen can effectively improve the military environments such as military airborne indicator electromagnetic shielding and started quickly at low temperature
It is required that while reduce airborne indicator product operation technology difficulty, improve the reliability of airborne LCD display with it is consistent
Property.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structural representation of the novel and multifunctional capacitance touch screen provided in a kind of preferred embodiment of the present invention
Figure.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where not making opposite explanation, the noun of locality that " upper and lower " etc. is included in term only represents
Orientation of the term under normal service condition, or be skilled artisan understands that be commonly called as, and be not construed as to the term
Limitation.
As shown in figure 1, the invention provides a kind of novel and multifunctional capacitance touch screen, the novel and multifunctional capacitance touch
Screen includes：Cover Lens glass, flexible PCB (FPC), Sensor glass and the EMI glass set gradually from top to bottom,
Wherein, it is fixed together between the Cover Lens glass and the flexible PCB (FPC) by OCA joint adhesives；It is described
Sensor glass and the EMI glass are similarly fixed together using OCA joint adhesives, the Sensor glass draw gold thread with
The FPC connections；The upper and lower surface of the EMI glass plates one layer of ito thin film, the upper surface of the EMI glass respectively
Ito thin film resistance be less than 15 Ω/, as electromagnetic shielding；The lower surface ito thin film of the EMI glass is used as adding thermal resistance,
The calculation formula of its resistance is：
RPole=(LU/LI)×RMouthful；
Wherein, RPoleFor electrode resistance, the resistance value of the lower surface ito thin film of as described EMI glass；LUWalked for voltage U
The path width crossed, LIThe path length passed by for electric current I, RMouthfulFor square resistance.
According to above-mentioned technical proposal, in novel and multifunctional capacitance touch screen provided by the invention, the Cover Lens
Glass, the Sensor glass and the EMI glass are all function coated glass, wherein, the Cover Lens glass is main
Realize that strong light is readable, function of antivibration, the Sensor glass mainly realizes multi-touch function, in Sensor working linings, shape
Into ranks electrode matrix, when finger touches, the minor variations of electric capacity are formed, realize inducing function, the EMI glass is mainly real
Now electromagnetic shielding and heating function, the EMI glass top surfaces plate one layer of resistance and are less than 15 Ω/ ito thin films, so as to realize electricity
The effect of magnetic screen, the EMI lower glass surfaces are also coated with one layer of ito thin film, played as adding thermal resistance, are touched so as to realize
The function of quickly starting under the low temperature condition of screen, wherein, the resistance that the EMI lower glass surfaces are also coated with one layer of ito thin film is
Based on actual product, according to calculation formula：RPole=(LU/LI)×RMouthfulRespective resistance values can be drawn.It is provided by the invention new more
Function capacitance touch screen can effectively improve the military environments such as military airborne indicator electromagnetic shielding and started quickly at low temperature
It is required that while reduce airborne indicator product operation technology difficulty, improve the reliability of airborne LCD display with it is consistent
Property.
In order to effectively realize the resistance to shock of the Cover Lens glass, in a kind of preferable embodiment party of the present invention
In formula, the surface of the Cover Lens glass needs to carry out chemical intensification treatment using ion-exchange, improves the Cover
The intensity of Lens glass, so as to meet the requirement of Military Application environment.
In a kind of preferred embodiment of the present invention, the upper surface of the Cover Lens glass also carries out AR plated films
Processing, so as to effectively realize the strong light of Cover Lens glass readability, so as in the stronger situation of outdoor lamp wiring
Under, it still may see the information on touch-screen clearly.
In order to realize the electro-magnetic screen function of the EMI glass, it is necessary to ito thin film in the upper surface of the EMI glass,
So that its electro-magnetic screen function is good, in a kind of preferred embodiment of the present invention, the upper surface of the EMI glass
Ito thin film Standard resistance range is in 5-10 Ω/.
In a kind of preferred embodiment of the present invention, the ito thin film Standard resistance range of the upper surface of the EMI glass exists
7-9Ω/□。
In order to further improve the ability of the electromagnetic shielding of the EMI glass, in a kind of preferable embodiment party of the present invention
In formula, the ito thin film Standard resistance range of the upper surface of the EMI glass is in 8 Ω/.
In a kind of preferred embodiment of the present invention, the novel and multifunctional capacitance touch screen also includes control panel,
The control panel is electrically connected with the FPC, and for the operation information of user to be acquired and handled, the FPC is used for will
The operation information of user is transferred in the control panel and handled.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (7)
1. a kind of novel and multifunctional capacitance touch screen, it is characterised in that the novel and multifunctional capacitance touch screen includes：From upper and
Under the Cover Lens glass, flexible PCB (FPC), Sensor glass and the EMI glass that set gradually, wherein, the Cover
It is fixed together between Lens glass and the flexible PCB (FPC) by OCA joint adhesives；The Sensor glass and described
EMI glass is similarly fixed together using OCA joint adhesives, and the Sensor glass is drawn gold thread and is connected with the FPC；
The upper and lower surface of the EMI glass plates one layer of ito thin film, the ito thin film of the upper surface of the EMI glass respectively
Resistance is less than 15 Ω/, as electromagnetic shielding；The lower surface ito thin film of the EMI glass is used as adding thermal resistance, its resistance
Calculation formula is：
RPole=(LU/LI)×RMouthful；
Wherein, RPoleFor electrode resistance, the resistance value of the lower surface ito thin film of as described EMI glass；LUThe road passed by for voltage U
Footpath width, LIThe path length passed by for electric current I, RMouthfulFor square resistance.
2. novel and multifunctional capacitance touch screen according to claim 1, it is characterised in that the Cover Lens glass
Surface needs to carry out chemical intensification treatment using ion-exchange, improves the intensity of the Cover Lens glass.
3. novel and multifunctional capacitance touch screen according to claim 2, it is characterised in that the Cover Lens glass
Upper surface also carries out AR coating film treatments.
4. novel and multifunctional capacitance touch screen according to claim 1, it is characterised in that the upper surface of the EMI glass
Ito thin film Standard resistance range in 5-10 Ω/.
5. novel and multifunctional capacitance touch screen according to claim 4, it is characterised in that the upper surface of the EMI glass
Ito thin film Standard resistance range in 7-9 Ω/.
6. novel and multifunctional capacitance touch screen according to claim 5, it is characterised in that the upper surface of the EMI glass
Ito thin film Standard resistance range in 8 Ω/.
7. novel and multifunctional capacitance touch screen according to claim 1, it is characterised in that the novel and multifunctional capacitive touch
Touching screen also includes control panel, and the control panel is electrically connected with the FPC, for the operation information of user to be acquired and located
Reason.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710940207.0A CN107688417A (en) | 2017-10-11 | 2017-10-11 | Novel and multifunctional capacitance touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710940207.0A CN107688417A (en) | 2017-10-11 | 2017-10-11 | Novel and multifunctional capacitance touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107688417A true CN107688417A (en) | 2018-02-13 |
Family
ID=61154340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710940207.0A Pending CN107688417A (en) | 2017-10-11 | 2017-10-11 | Novel and multifunctional capacitance touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107688417A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109862639A (en) * | 2019-03-26 | 2019-06-07 | 北京航天发射技术研究所 | A kind of glass with electric heating and function of shielding |
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| US20050105009A1 (en) * | 2003-10-07 | 2005-05-19 | American Panel Corporation, L.G. Philips Lcd | Flat panel display having an isolated EMI layer and integral heater and thermal sensors |
| US20100156842A1 (en) * | 2008-08-19 | 2010-06-24 | Optera, Inc. | Resistive touch screen and method for manufacturing same |
| CN202193728U (en) * | 2011-08-12 | 2012-04-18 | 蚌埠玻璃工业设计研究院 | Novel electromagnetic shielding coated glass |
| CN102548374A (en) * | 2010-12-20 | 2012-07-04 | 西安开容电子技术有限责任公司 | Shielding glass and design method thereof |
| CN102573433A (en) * | 2010-12-20 | 2012-07-11 | 西安开容电子技术有限责任公司 | Shielding glass with double functions of heating and shielding and design method thereof |
| CN102999199A (en) * | 2011-09-16 | 2013-03-27 | 宸鸿科技(厦门)有限公司 | Touch sensing device and electronic device |
| CN204203940U (en) * | 2014-10-10 | 2015-03-11 | 中航华东光电有限公司 | A kind of resistive touch screen structure, electric resistance touch screen and display |
| CN204331677U (en) * | 2014-12-16 | 2015-05-13 | 深圳市帝晶光电股份有限公司 | A kind of compound glass capacitive touch screen |
| CN205050115U (en) * | 2015-10-19 | 2016-02-24 | 苏州键烁电子科技有限公司 | Antistatic anti -electromagnetic interference touch -sensitive screen |
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2017
- 2017-10-11 CN CN201710940207.0A patent/CN107688417A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050105009A1 (en) * | 2003-10-07 | 2005-05-19 | American Panel Corporation, L.G. Philips Lcd | Flat panel display having an isolated EMI layer and integral heater and thermal sensors |
| US20100156842A1 (en) * | 2008-08-19 | 2010-06-24 | Optera, Inc. | Resistive touch screen and method for manufacturing same |
| CN102548374A (en) * | 2010-12-20 | 2012-07-04 | 西安开容电子技术有限责任公司 | Shielding glass and design method thereof |
| CN102573433A (en) * | 2010-12-20 | 2012-07-11 | 西安开容电子技术有限责任公司 | Shielding glass with double functions of heating and shielding and design method thereof |
| CN202193728U (en) * | 2011-08-12 | 2012-04-18 | 蚌埠玻璃工业设计研究院 | Novel electromagnetic shielding coated glass |
| CN102999199A (en) * | 2011-09-16 | 2013-03-27 | 宸鸿科技(厦门)有限公司 | Touch sensing device and electronic device |
| CN204203940U (en) * | 2014-10-10 | 2015-03-11 | 中航华东光电有限公司 | A kind of resistive touch screen structure, electric resistance touch screen and display |
| CN204331677U (en) * | 2014-12-16 | 2015-05-13 | 深圳市帝晶光电股份有限公司 | A kind of compound glass capacitive touch screen |
| CN205050115U (en) * | 2015-10-19 | 2016-02-24 | 苏州键烁电子科技有限公司 | Antistatic anti -electromagnetic interference touch -sensitive screen |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109862639A (en) * | 2019-03-26 | 2019-06-07 | 北京航天发射技术研究所 | A kind of glass with electric heating and function of shielding |
| CN109862639B (en) * | 2019-03-26 | 2021-12-07 | 北京航天发射技术研究所 | Glass with electric heating and shielding functions |
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