CN202838283U - Capacitor touch screen - Google Patents
Capacitor touch screen Download PDFInfo
- Publication number
- CN202838283U CN202838283U CN201220427368.2U CN201220427368U CN202838283U CN 202838283 U CN202838283 U CN 202838283U CN 201220427368 U CN201220427368 U CN 201220427368U CN 202838283 U CN202838283 U CN 202838283U
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- touch screen
- line group
- connecting line
- group
- capacitance touch
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Abstract
The utility model provides a capacitor touch screen. The capacitor touch screen comprises a transparent substrate, an ornate frame, a transparent electrode, a transparent conductive connecting line set and a protective film. The transparent substrate is provided with a visible area and an ornament area, wherein the ornament area surrounds the visible area. The ornate frame is arranged on the ornament area of the transparent substrate. The ornate frame is provided with an edge metal lead set. The transparent electrode is arranged on the visible area of the transparent substrate. The transparent electrode is connected with the edge metal lead set through the transparent conductive connecting line set. The transparent electrode, the edge metal lead set and the transparent conductive connecting line set are covered by the protective films. The capacitor touch screen is simple in structure and fabrication process and low in cost.
Description
Technical field
The utility model relates to the touch-screen field, relates in particular to a kind of capacitance touch screen.
Background technology
Touch-screen is called again " touch screen ", " contact panel ", is a kind of induction type liquid crystal indicator that receives the input signals such as contact.Touch-screen is simple, convenient, the most natural present a kind of man-machine interaction mode as a kind of up-to-date input equipment, has the advantages such as directly perceived, simple, quick, is widely used on the various electronic products.At present, touch screen technology is of a great variety, mainly comprises resistance-type, infrared type, surface acoustic wave type and emerging optical profile type, pressure inductive and condenser type etc.Wherein, capacitive touch screen owing to transmittance and sharpness better and support that multi-point touch is widely used.
Touch-screen moves towards ultrathin on the market, and OGS(One Glass Solution) touch-screen is simple in structure owing to it, light transmission good, and compare the few glass substrate of G/G touch-screen, that can do is thinner, and then becomes the market mainstream.It is glass substrate+dark border+protective seam+transparency electrode that present OGS touch-screen generally adopts Glass+BM+OC+ITO(, and BM inside is visible area, and BM is ornamental area) coating structure; Namely at glass substrate the BM frame is set, then fills the OC layer, make the ITO layer at the OC layer again.The ITO layer is arranged on visible area, and the ITO electrode needs to be connected with the edge metal lead wire set, and the edge metal lead wire set is arranged on ornamental area usually, and in order to realize the overlap joint of ITO electrode and edge metal lead wire set, the ITO electrode must extend to the ornamental area frame.And the ITO rete is very thin, and the BM frame has certain thickness, if directly the ITO rete is extended to ornamental area, the ITO rete is when crossing over the difference in height of BM frame and glass substrate, be easy to fracture, practicality is very low, therefore, offset between BM and the glass has to fill with OC, therefore and the fillibility of OC is limited, requires the decorative layer thickness can not be too high, so that the production process complicated of capacitance touch screen, cost increases, and is unfavorable for improving product competitiveness.
The utility model content
The technical matters that production process complicated, cost high of the utility model for solving existing capacitance touch screen provides the capacitance touch screen that a kind of production process is simple, cost is low.
A kind of capacitance touch screen, it comprises:
The ornamental area that transparency carrier, described transparency carrier have visible area and center on this visible area;
Decorative frame, described Decorative frame are arranged on the ornamental area of described transparency carrier, and described Decorative frame is provided with the edge metal lead wire set;
Transparency electrode, described transparency electrode are arranged on the visible area of described transparency carrier;
Electrically conducting transparent connecting line group, described electrically conducting transparent connecting line group connects described transparency electrode and described edge metal lead wire set;
And diaphragm, described diaphragm covers described transparency electrode, edge metal lead wire set and electrically conducting transparent connecting line group.
Further, described transparency electrode has the electrode pin group, and described electrically conducting transparent connecting line group is with the connection corresponding to the edge metal lead wire set of described electrode pin group.
Further, the tie point of described electrically conducting transparent connecting line group and described electrode pin group is positioned on the described visible area.
Further, the tie point of described electrically conducting transparent connecting line group and described edge metal lead wire set is positioned on the described Decorative frame.
Further, also comprise the diaphragm that covers described transparency electrode, edge metal lead wire set and electrically conducting transparent connecting line group.
Further, described electrically conducting transparent connecting line group is nano-silver thread group, conductive oil line of ink marker group or carbon nano tube line group.
Further, the thickness of described electrically conducting transparent connecting line group is the 1-20 micron.
Further, the material of described transparency electrode is ITO, ATO or AZO.
Further, the thickness of described transparency electrode is the 0.1-1 micron.
Further, described edge metal lead wire set is molybdenum aluminium molybdenum wire group, copper cash group, silver slurry line group or carbon slurry line group.
Further, the thickness of described Decorative frame is the 4-20 micron.
The capacitance touch screen that provides according to the utility model, compare with traditional capacitance touch screen and to have reduced the OC packed layer, realize being communicated with between the edge metal lead wire set on electrode and the Decorative frame on the transparency electrode by electrically conducting transparent connecting line group, its preparation section is relatively simple, and cost is lower.
Description of drawings
The structural representation of the capacitance touch screen that Fig. 1 provides for the utility model embodiment.
The vertical view of the capacitance touch screen that Fig. 2 provides for the utility model embodiment.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with embodiment and accompanying drawing, the utility model is illustrated in further detail.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Such as Fig. 1, shown in Figure 2, the utility model provides a kind of capacitance touch screen, and it comprises: the ornamental area 12 that transparency carrier 1, transparency carrier 1 have visible area 11 and center on this visible area 11; Decorative frame 2, Decorative frame 2 are arranged on the ornamental area 12 of transparency carrier 1, and Decorative frame 2 is provided with edge metal lead wire set 5; Transparency electrode 3, transparency electrode 3 are arranged on the visible area 11 of transparency carrier 1; Electrically conducting transparent connecting line group 4, electrically conducting transparent connecting line group 4 connects transparency electrode 3 and edge metal lead wire set 5; And diaphragm 6, described diaphragm 6 covers described transparency electrode 3, edge metal lead wire set 5 and electrically conducting transparent connecting line group 4.
In the utility model, the material of transparency carrier 1 does not have particular determination, can be the composite plate of glass, PMMA, PC or PMMA and PC, and the utility model is preferably glass, and its transmittance is high.
In the utility model, the material of Decorative frame 2 does not have particular determination, if can satisfy light tight, the preferred printing ink of the utility model or black photoresist, the preferred 4-20 micron of thickness can play preferably interception in this scope.
In the utility model, the material of transparency electrode 3 can be ITO (tin indium oxide), ATO (antimony tin), AZO (zinc oxide aluminum), the thickness of transparency electrode 3 is preferably the 0.1-1 micron, can satisfy certain conductive capability, can guarantee that again transparency electrode 3 has higher transparency.
In the utility model, described transparency electrode 3 can have a plurality of electrode pin groups 31, and described electrically conducting transparent connecting line group 4 is with described electrode pin group 31 and the 5 corresponding connections of edge metal lead wire set.Electrically conducting transparent connecting line group 4 is transparent material, therefore, described electrically conducting transparent connecting line group 4 can be positioned on the described visible area 11 with the tie point of described electrode pin group 31, can realize again the conducting of transparency electrode 3 and edge metal lead wire set 5 when not affecting visual effect.Because edge metal lead wire set 5 is generally the opaque metal line, therefore, described electrically conducting transparent connecting line group 4 and the tie point of described edge metal lead wire set 5 are located on the described Decorative frame 2, can avoid affecting visual effect.Electrically conducting transparent connecting line group 4 is nano-silver thread group, conductive oil line of ink marker group or carbon nano tube line group.Preferably, the thickness of electrically conducting transparent connecting line group 4 is the 1-20 micron, and electrically conducting transparent connecting line group 4 has higher conductive capability in this scope.
In the utility model, edge metal lead wire set 5 does not have particular determination, as long as satisfy certain conductance, can be molybdenum aluminium molybdenum wire group, copper cash group, silver slurry line group or carbon slurry line group such as edge metal lead wire set 5.
Capacitance touch screen of the present utility model can prepare by the following method, and it may further comprise the steps:
S1 provides an electro-conductive glass, makes visible area and ornamental area at described electro-conductive glass, makes transparency electrode by etching on visible area;
Electro-conductive glass is on the basis of sodium calcium base or silicon boryl substrate glass, utilizes the method for magnetron sputtering to plate that one deck conducting film (such as tin indium oxide, being commonly called as ITO) manufactures, for conventionally known to one of skill in the art.The method of making visible area and ornamental area at electro-conductive glass can be method known in those skilled in the art, the general etching method that adopts, i.e. silk-screen etching paste on the layer of electro-conductive glass, thus etching away of visible area and ornamental area intersection formed visible area and ornamental area.Method for making for the touch screen transparent electrode, the utility model does not have particular determination, can be method known in those skilled in the art, the general etching method that adopts, be about to the etching paste silk-screen on the visible area of electro-conductive glass, then by baking, conducting film and etching paste reacted, to etch away unwanted conducting film, form conductive pattern.Conductive pattern can be set according to different needs.
S2 makes Decorative frame at ornamental area, and makes the edge metal lead wire set at Decorative frame;
The capacitance touch screen that the utility model provides is the capacitance touch screen with Decorative frame, and Decorative frame is generally insulating material, and its preparation method is conventionally known to one of skill in the art.The method for making of Decorative frame is preferably in the utility model: ink for screen printing on the ornamental area of electro-conductive glass, and be baked to black ink curing.
Decorative frame is provided with the edge metal lead wire set, and the transparency electrode of touch-screen is connected with FPC by the edge metal lead wire set, and then is connected on the outside miscellaneous part.The method for making of edge metal lead wire set is conventionally known to one of skill in the art, can be molybdenum aluminium molybdenum wire, copper cash, silver slurry line or carbon slurry line, the preferred stencil of the utility model, namely silk-screen silver is starched circuit on Decorative frame, then toast, silver slurry circuit is solidified, namely make the edge metal lead wire set.
S3 makes electrically conducting transparent connecting line group, with transparency electrode and the conducting of edge metal lead wire set.
Electrically conducting transparent connecting line group can be made of the method for silk-screen.
According to the capacitance touch screen that the utility model provides, carry out UNICOM by transparent conductive material between the edge metal lead wire set on transparency electrode and the Decorative frame.Nano-silver thread coating, electrically conductive ink, carbon nano-tube coating etc. can be adopted the method for silk-screen to print formation electrically conducting transparent connecting line group.
The capacitance touch screen that provides according to the utility model, compare with traditional capacitance touch screen with Decorative frame, reduced the OC packed layer, electrode on the transparency electrode and the edge metal lead wire set on the Decorative frame are by the conducting of electrically conducting transparent connecting line group, it is simple in structure, and preparation technology is simple, cost is lower.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; therefore, as long as use any modification that the utility model instructions and accompanying drawing content do, be equal to and replace and improvement etc., all should be included in protection domain of the present utility model.
Claims (10)
1. a capacitance touch screen is characterized in that, it comprises:
The ornamental area that transparency carrier, described transparency carrier have visible area and center on this visible area;
Decorative frame, described Decorative frame are arranged on the ornamental area of described transparency carrier, and described Decorative frame is provided with the edge metal lead wire set;
Transparency electrode, described transparency electrode are arranged on the visible area of described transparency carrier;
Electrically conducting transparent connecting line group, described electrically conducting transparent connecting line group connects described transparency electrode and described edge metal lead wire set;
And diaphragm, described diaphragm covers described transparency electrode, edge metal lead wire set and electrically conducting transparent connecting line group.
2. capacitance touch screen according to claim 1 is characterized in that, described transparency electrode has the electrode pin group, and described electrically conducting transparent connecting line group is with the connection corresponding to the edge metal lead wire set of described electrode pin group.
3. capacitance touch screen according to claim 2 is characterized in that, the tie point of described electrically conducting transparent connecting line group and described electrode pin group is positioned on the described visible area.
4. capacitance touch screen according to claim 2 is characterized in that, the tie point of described electrically conducting transparent connecting line group and described edge metal lead wire set is positioned on the described Decorative frame.
5. capacitance touch screen according to claim 1 is characterized in that, described electrically conducting transparent connecting line group is nano-silver thread group, conductive oil line of ink marker group or carbon nano tube line group.
6. capacitance touch screen according to claim 1 is characterized in that, the thickness of described electrically conducting transparent connecting line group is the 1-20 micron.
7. capacitance touch screen according to claim 1 is characterized in that, the material of described transparency electrode is ITO, ATO or AZO.
8. capacitance touch screen according to claim 1 is characterized in that, the thickness of described transparency electrode is the 0.1-1 micron.
9. capacitance touch screen according to claim 1 is characterized in that, described edge metal lead wire set is molybdenum aluminium molybdenum wire group, copper cash group, silver slurry line group or carbon slurry line group.
10. capacitance touch screen according to claim 1 is characterized in that, the thickness of described Decorative frame is the 4-20 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220427368.2U CN202838283U (en) | 2012-08-27 | 2012-08-27 | Capacitor touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220427368.2U CN202838283U (en) | 2012-08-27 | 2012-08-27 | Capacitor touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202838283U true CN202838283U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220427368.2U Expired - Lifetime CN202838283U (en) | 2012-08-27 | 2012-08-27 | Capacitor touch screen |
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| Country | Link |
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| CN (1) | CN202838283U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020920A (en) * | 2014-06-26 | 2014-09-03 | 金龙机电（东莞）有限公司 | Method for producing ultrathin touch screen thin-film sensor |
| CN104051075A (en) * | 2014-05-14 | 2014-09-17 | 中国科学院合肥物质科学研究院 | Method for preparing transparent conductive film on plane provided with step |
| CN109913806A (en) * | 2019-03-28 | 2019-06-21 | 信元光电有限公司 | A kind of preparation method of OGS touch screen |
-
2012
- 2012-08-27 CN CN201220427368.2U patent/CN202838283U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051075A (en) * | 2014-05-14 | 2014-09-17 | 中国科学院合肥物质科学研究院 | Method for preparing transparent conductive film on plane provided with step |
| CN104020920A (en) * | 2014-06-26 | 2014-09-03 | 金龙机电（东莞）有限公司 | Method for producing ultrathin touch screen thin-film sensor |
| CN109913806A (en) * | 2019-03-28 | 2019-06-21 | 信元光电有限公司 | A kind of preparation method of OGS touch screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
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| CX01 | Expiry of patent term |