CN204143415U - A kind of nano-silver thread conducting film touch screen - Google Patents
A kind of nano-silver thread conducting film touch screen Download PDFInfo
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- CN204143415U CN204143415U CN201420481700.2U CN201420481700U CN204143415U CN 204143415 U CN204143415 U CN 204143415U CN 201420481700 U CN201420481700 U CN 201420481700U CN 204143415 U CN204143415 U CN 204143415U
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Abstract
The utility model discloses a kind of nano-silver thread conducting film touch screen, comprise cover plate and flexible PCB, nano-silver thread conducting film is provided with between described cover plate and described flexible PCB, described cover plate is by nano-silver thread conducting film described in photoconductive glue bond, nano-silver thread conducting film is provided with signal pattern, nano-silver thread conducting film is connected with flexible PCB, described nano-silver thread conducting film passes through chemical etching process, laser etch process, silk screen printing process is made, the utility model has the advantage of: provide a kind of penetrability high, sense of touch is strong, tool flexual nano-silver thread conducting film touch screen.
Description
Technical field
the utility model relates to a kind of touch screen, in particular to arriving a kind of nano-silver thread conducting film touch screen.
Background technology
Touch screen has been widely used in mobile phone, PDA, on the mass consumption such as panel computer and GPS navigation product, and because it is simple to operate, convenient and hommization and become the optimal selection of human-computer interaction, and obtains and popularizes rapidly.Wherein capacitance type touch control screen is a kind of touch screen popular, the most the most frequently used at present.
Capacitive touch screen is one piece of four layers of compound glass screen; the inside surface of glass screen and interlayer respectively scribble one deck ITO, and outermost layer is skim silicon soil glassivation, and interlayer ITO coating is as workplace; four electrodes are drawn at four angles, and internal layer ITO is that screen layer is to ensure good working environment.When finger touch on the metal layer time, due to human body electric field, user and touch screen surface are formed with a coupling capacitance, and for high-frequency current, electric capacity is direct conductor, so finger siphons away a very little electric current from contact point.This electric current flows out respectively from the electrode the corner of touch-screen, and the electric current flowing through these four electrodes is directly proportional to the distance of finger to corner, and controller, by the accurate Calculation to these four current ratios, draws the position of touch point.
Indium tin oxide is widely applied in touch screen inductor field because it has the transparency and electric conductivity preferably.But indium metal belongs to rare metal, the alternative material finding indium metal is necessary.
The ITO of touch control capacitance screen used by sensor, its sheet resistance controls still undesirable, has nearly deviation of about 20 percent, and this instability brings a lot of inconvenience to the production of follow-up software debugging and touch screen; On the other hand, its bendable folding endurance is poor, can not meet the requirement of pliability electronic product; Its tack, scratch resistance are poor, and bury very large hidden danger to the stability of touch control capacitance screen, its penetrability needs to do further lifting simultaneously.Along with the continuous expansion of application, the continuous lifting of application level, following touch screen will to low-power consumption, high permeability, lightening and pliability development.
Chinese patent notification number is CN102693772A, the day for announcing is on September 26th, 2012, name is in " flexible transparent conducting film and manufacture method thereof " patent document, disclose a kind of flexible transparent conducting film and manufacture method thereof, this conducting film comprises flexible transparent substrate, its surface is coated with transparent ink layer, and transparent ink layer is the conductive layer being stained with nano-silver thread, and in conductive layer, nano-silver thread mutually overlaps and forms uniform two-dimensional nano dargyrome network.Its manufacture method is: through transparent ink printing or be coated in flexible transparent substrate, nano-silver thread homogeneous dispersion is coated on another flexible transparent substrate surface and obtains nano-silver thread conducting film, by hot pressing or transfer modes, top layer film transfer being adhered to transparent ink obtains flexible transparent conducting film.
Although the conducting film resistance value conducting film relatively before this that the method is made is lower, containing transparent ink in its conducting film, nano-silver thread exists in nesa coating, affects to some extent conducting film overall performance, and its manufacture method is more single.
Utility model content
The utility model aims to provide a kind of nano-silver thread conducting film touch screen, not wear-resisting to solve Touch Screen, and touch-control deviation is large, and bending property is bad, the problems such as material source is narrow, improves light transmission, stability, the flexible resistance of Touch Screen.
A kind of nano-silver thread conducting film touch screen, comprise cover plate and flexible PCB, nano-silver thread conducting film is provided with between described cover plate and described flexible PCB, described cover plate is by photoconductive glue bond nano-silver thread conducting film, described nano-silver thread conducting film is provided with signal pattern, and described nano-silver thread conducting film is connected with flexible PCB by vertical conductive adhesive.
Further, described cover plate is tempered glass.
The benefit that the utility model brings is: in view of the electric conductivity that silver is excellent, nano-silver thread conducting film resistance value is little; The reticulate texture of nano-silver thread makes nano-silver thread conducting film have low square resistance characteristic, makes touch screen control IC have the time of more abundant process induced signal, can bring more perfectly touch screen experience effect to user; The reticulate texture of nano-silver thread makes nano-silver thread conducting film have good light transmission, and make the color of LED screen, saturation degree show loss little, meanwhile, the power of LCD can control to lower; The tack that nano-silver thread is good makes nano-silver thread conducting film have splendid flexible resistance, and for realizing flexibility, bent LED shows, touch-screen provides application foundation, adapts to the touch screen demand needed for electronic product development.The storage capacity of silver is many compared with rare metal indium, and price is relatively also more cheap; The procedure for producing of nano-silver thread conducting film is comparatively simple, and production efficiency is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment technical scheme, will be briefly described embodiment accompanying drawing below.
Fig. 1 is a kind of structural representation of nano-silver thread conducting film touch screen.
Embodiment
Not wear-resisting in order to solve Touch Screen, touch-control deviation is large, and bending property is bad, the problem that production cost is high, realizes the object of the light transmission of raising Touch Screen, stability, flexible resistance, now provides a kind of nano-silver thread conducting film touch screen.
Below in conjunction with the accompanying drawing in the utility model, be clearly and completely described the technical scheme in the utility model, obviously, described is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of the utility model protection.
As shown in Figure 1, a kind of nano-silver thread conducting film touch screen that the utility model provides, comprise cover plate 11, photoconductive glue 12, nano-silver thread conducting film 13 and flexible PCB 14, described cover plate 11 bonds described nano-silver thread conducting film 13 by photoconductive glue 12, described cover plate 11 is tempered glass, because its excellent performance can be used for protecting described nano-silver thread conducting film 13, described nano-silver thread conducting film 13 is provided with signal pattern, described nano-silver thread conducting film 13 is connected with flexible PCB 14 by vertical conductive adhesive, for calculating touch point and returning to processor.
The utility model has the advantage of: because the electric conductivity that silver is excellent, nano-silver thread conducting film resistance value is little; The reticulate texture of nano-silver thread makes nano-silver thread conducting film have low square resistance characteristic, makes touch screen control IC have the time of more abundant process induced signal, can bring more perfectly touch screen experience effect to user; The reticulate texture of nano-silver thread makes nano-silver thread conducting film have good light transmission, and make the color of LED screen, saturation degree show loss little, meanwhile, the power of LCD can control to lower; This nano-silver thread conducting film touch screen is wear-resisting, sense of touch is strong, the tack that nano-silver thread is good makes nano-silver thread conducting film have splendid flexible resistance and stability, and for realizing flexibility, bent LED shows, touch-screen provides application foundation, adapts to the touch screen demand needed for electronic product development.
It should be noted that; what describe in the utility model is a kind of product form of touch screen containing nano-silver thread conducting film; other meets the product of structure described in the utility model; even if order etc. put by material, device name, outward appearance, device, not affect the factor of product performance not identical; still the scope of the utility model protection is belonged to; in like manner, the method for making embodiment of the nano-silver thread conducting film described in the utility model is preferred implementation.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (2)
1. a nano-silver thread conducting film touch screen, comprise cover plate and flexible PCB, it is characterized in that, nano-silver thread conducting film is provided with between described cover plate and described flexible PCB, described cover plate is by nano-silver thread conducting film described in photoconductive glue bond, described nano-silver thread conducting film is provided with signal pattern, and described nano-silver thread conducting film is connected with flexible PCB by vertical conductive adhesive.
2. a kind of nano-silver thread conducting film touch screen according to claim 1, it is characterized in that, described cover plate is tempered glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420481700.2U CN204143415U (en) | 2014-08-25 | 2014-08-25 | A kind of nano-silver thread conducting film touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420481700.2U CN204143415U (en) | 2014-08-25 | 2014-08-25 | A kind of nano-silver thread conducting film touch screen |
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| CN204143415U true CN204143415U (en) | 2015-02-04 |
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| CN201420481700.2U Active CN204143415U (en) | 2014-08-25 | 2014-08-25 | A kind of nano-silver thread conducting film touch screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106095176A (en) * | 2016-06-08 | 2016-11-09 | 广东南海启明光大科技有限公司 | A kind of copper facing nano-silver thread touch screen and manufacture method thereof |
-
2014
- 2014-08-25 CN CN201420481700.2U patent/CN204143415U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106095176A (en) * | 2016-06-08 | 2016-11-09 | 广东南海启明光大科技有限公司 | A kind of copper facing nano-silver thread touch screen and manufacture method thereof |
| CN106095176B (en) * | 2016-06-08 | 2020-04-10 | 广东南海启明光大科技有限公司 | Copper-plated nano silver wire touch screen and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 516025 Huizhou City, Guangdong Province, the three digital Industrial Park Patentee after: Guangdong Green precision parts Limited by Share Ltd Address before: Three Huicheng Guangdong District, Huizhou City, the number of Digital Industrial Park Patentee before: Green Precision Components (Huizhou) Co. Ltd. |