CN201489507U - Capacitive touch screen wiring - Google Patents
Capacitive touch screen wiring Download PDFInfo
- Publication number
- CN201489507U CN201489507U CN2009202040347U CN200920204034U CN201489507U CN 201489507 U CN201489507 U CN 201489507U CN 2009202040347 U CN2009202040347 U CN 2009202040347U CN 200920204034 U CN200920204034 U CN 200920204034U CN 201489507 U CN201489507 U CN 201489507U
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- nesa coating
- film
- touch screen
- capacitive touch
- bridging
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Abstract
The utility model relates to a capacitive touch screen wiring, comprising transparent conducting films, insulating films and bridging films of two groups of lead wires, which are distributed on a base plate along the X and Y direction, wherein the surface resistance of the bridging film is lower than that of the transparent conducting film, and the intersection position structure of the transparent conducting films along two directions comprises continuous connection and bridging connection; the continuous connection structure is that the transparent conducting films at two sides of an intersection point are continuous; the bridging connection structure is that: at the intersection point, the transparent conducting film along one direction of X and Y directions is connected continuously and is arranged on the base plate, and the transparent conducting film along the other direction is disconnected at the intersection point, the transparent conducting film which is connected continuously at the intersection point is covered by the insulating film, and the bridging film stretches across the transparent conducting film which is connected continuously at the intersection point and covers the transparent conducting film which is disconnected at the intersection point on the insulating film. The capacitive touch screen wiring can avoid color difference and improve the sensitivity, yield and product quality of the touch screen.
Description
Technical field
The utility model relates to a kind of touch screen wiring, is specifically related to a kind of wiring of capacitive touch screen.
Background technology
The wiring of touch-screen comprises two groups of leads that intersect in length and breadth along directions X and Y direction, and there is following defective in existing touch screen wiring structure:
1, two groups of leads of directions X and Y direction are space crossed, in manufacturing process, need to make earlier one group of lead conducting film of bottom, make dielectric film then, make the one group of lead conducting film in upper strata again.Because the nesa coating of two groups of leads must be made respectively, can cause the color distortion of two-layer conducting film, reduce the product quality of touch-screen;
2, because the lead conducting membrane material adopts transparent material, and rete is thinner, the phenomenon that breaks appears in bridging rete above the crossing crunode place of two groups of leads is positioned at easily, causes the local broken string of lead, reduces the product yields;
3, lead conducting film line resistance is higher, reduces touch screen performance.
Summary of the invention
The technical problems to be solved in the utility model is, a kind of wiring of capacitive touch screen is provided, and overcomes the high defective of line resistance that existing capacitive touch screen wiring exists aberration, the local broken string of lead, lead conducting film.
The technical scheme that its technical matters that solves the utility model adopts is: constructs a kind of wiring of capacitive touch screen, is included in the nesa coating and the dielectric film of two groups of leads of substrate upper edge X, Y direction layout, it is characterized in that,
The nesa coating of described directions X is connected continuous the connection with putting up a bridge comprising with the structure of the nesa coating infall of described Y direction, and the nesa coating of described Y direction is comprising that with the structure of the nesa coating infall of described directions X continuous the connection with bridging is connected;
Described continuous syndeton is: the electrically conducting transparent membrane material that is positioned at the both sides, point of crossing of X, Y direction is realized the connection of lead continuously;
Described bridging syndeton is: at the place, point of crossing of described X, Y direction, the nesa coating of a direction connects continuously and is located immediately on the described substrate in described X, the Y direction, the nesa coating of another direction is interrupted at place, described point of crossing in described X, the Y direction, and described dielectric film covers the nesa coating of the described continuous connection at place, described point of crossing; Comprise that face resistance is lower than the bridging film of described nesa coating, this bridging film is across the nesa coating of the continuous connection at place, described point of crossing and cover and connect the described nesa coating that place, described point of crossing is interrupted on the described dielectric film.
In the wiring of capacitive touch screen of the present utility model, the edge of described dielectric film is positioned on the substrate surface at the contiguous place of described nesa coating of its covering or the edge of described dielectric film is positioned on the adjacent described interruption nesa coating and on the substrate surface at contiguous place.
In the wiring of capacitive touch screen of the present utility model, described bridging film is metal film or low-resistance conductive.
In the wiring of capacitive touch screen of the present utility model, described metal film is one or more layers of metal level or metal alloy layer, and described low-resistance conductive is one or more layers.
In the wiring of capacitive touch screen of the present utility model, the nesa coating of described directions X with described continuous connection of the nesa coating infall of described Y direction be connected interleaved with putting up a bridge.
In the wiring of capacitive touch screen of the present utility model, the nesa coating of described Y direction with described continuous connection of the nesa coating infall of described directions X be connected interleaved with putting up a bridge.
In the wiring of capacitive touch screen of the present utility model, described dielectric film is shaped as rectangle, square or one of oval.
Implement the wiring of capacitive touch screen of the present utility model, compared with the prior art, its beneficial effect is:
1.X, the transparent conductive film layer of Y direction can make simultaneously, avoided making the aberration that causes respectively, improved the product quality of touch-screen;
2. the bridging rete adopts metal film or Low ESR conducting film, because metal film or Low ESR conducting film thicknesses of layers are thicker, is not prone to the broken string phenomenon, has improved the continuity of lead;
3. the face resistance of bridging rete is much smaller than the face resistance of transparent lead rete, reduced the line resistance of X, Y direction lead, improved the performance of touch-screen;
4. when the edge of dielectric film was positioned on the substrate surface at the contiguous place of nesa coating of its covering, the dielectric film edge perk can not occur, and the film of therefore putting up a bridge can not break at the edge of dielectric film, has improved yield of products;
5.X, the nesa coating of Y direction lead all adopts the structure of continuous connection and bridging film, the line resistance value consistance of both direction lead is better, the sensitivity that has improved touch-screen.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural plan synoptic diagram of a kind of embodiment of wiring of the utility model capacitive touch screen.
Fig. 2 is an A-A sectional view among Fig. 1.
Fig. 3 is the B-B sectional view that rotates among Fig. 1.
Fig. 4 is the process flow diagram of a kind of embodiment of manufacture method of the wiring of the utility model capacitive touch screen.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, nesa coating 1,6, dielectric film 3,5 and the face resistance that the wiring of the utility model capacitive touch screen is included in two groups of leads that substrate 10 upper edge X, Y direction arrange is lower than the bridging film 2,4 of nesa coating 1,6.
The nesa coating 1 of directions X is comprising that with the structure of nesa coating 6 infalls of Y direction continuous the connection with putting up a bridge is connected, connect continuously with put up a bridge is connected can adopt alternate arranged alternate, according to the rule of designing institute needs arrange (as according to " connect continuously, connect continuously, put up a bridge connect, connect continuously, connect continuously, putting up a bridge connects " or " connect continuously, put up a bridge connect, put up a bridge connect, connect continuously, put up a bridge connection, put up a bridge to connect " etc. rule arrange etc.) or irregular layout, all can realize the object of the invention.
The nesa coating 6 of Y direction is comprising that with the structure of nesa coating 1 infall of directions X continuous the connection with putting up a bridge is connected, connect continuously with put up a bridge is connected also can adopt alternate arranged alternate, according to the rule of designing institute needs arrange (as according to " connect continuously, connect continuously, put up a bridge connect, connect continuously, connect continuously, putting up a bridge connects " or " connect continuously, put up a bridge connect, put up a bridge connect, connect continuously, put up a bridge connection, put up a bridge to connect " etc. rule arrange etc.) or irregular layout, all can realize the object of the invention.
Above-mentioned continuous syndeton is: the electrically conducting transparent membrane material that is positioned at the both sides, point of crossing of X, Y direction is realized the connection of lead continuously.
The bridging syndeton is as follows: at the place, point of crossing of X, Y direction, the nesa coating of a direction connects continuously and is located immediately on the substrate 10 in X, the Y direction, the nesa coating of another direction is interrupted at this place, point of crossing in X, the Y direction, dielectric film 3 (or 5) covers the nesa coating 1 (or 6) that place, this point of crossing connects continuously, and bridging film 2 (or 4) is across the nesa coating 1 (or 6) of the continuous connection at place, point of crossing and cover dielectric film 3 (or 5) and go up and connect the nesa coating 1 (or 6) that the place, point of crossing is interrupted.
In the present embodiment, the edge of dielectric film 3 (or 5) is positioned on contiguous substrate 10 surfaces of locating of nesa coating 1 (or 6) of its covering.In other embodiments, the edge of dielectric film 3 (or 5) can be positioned on substrate 10 surfaces at going up of adjacent interruption nesa coating 1 (or 6) and contiguous place.
Above-mentioned bridging film can adopt metal film or low-resistance conductive, metal film can be the rete that the rete made of metal material or metal alloy compositions are made, and low-resistance conductive can adopt and include but not limited to electrically conducting transparent membrane material, opaque conductive film material or translucent conducting membrane material.
Metal film can adopt one or more layers as required, and low-resistance conductive also can adopt one or more layers as required.
The shape of above-mentioned dielectric film 3,5 can adopt and include but not limited to rectangle, square or oval.
Because the bridging rete is littler than the face resistance of transparent conductive film layer, conductivity is high, its width is usually less than the width of the nesa coating of second group of lead.
As shown in Figure 4, the manufacture method of the wiring of capacitive touch screen of the present utility model is as follows:
The first step, on substrate, make the nesa coating of X, Y direction at the same time or separately, the nesa coating of directions X is in the continuous or interruption with the nesa coating infall of Y direction, the nesa coating of Y direction is in the continuous or interruption with the nesa coating infall of directions X, the nesa coating of the Y direction of the nesa coating correspondence of the directions X that infall is continuous is interrupted, and the nesa coating of the directions X of the nesa coating correspondence of the Y direction that infall is continuous is interrupted.
Second step, make dielectric film, insulating film layer covers on the continuous transparent conductive film at X, place, Y direction point of crossing.When the edge of insulating film layer was positioned on the substrate surface at the contiguous place of nesa coating of its covering, the dielectric film edge can perk, can not cause across the fracture of the bridging film on it, thereby improve yield of products.
The 3rd step, make the bridging film, the bridging film is located the nesa coating that connects continuously and is covered the nesa coating that connects place, point of crossing interruption on the dielectric film across the point of crossing.
In the above-mentioned steps two, the edge of insulating film layer is positioned on the substrate surface at the contiguous place of nesa coating of its covering or the edge of dielectric film is positioned on the adjacent interruption nesa coating and on the substrate surface at contiguous place.
In the above-mentioned steps three, the bridging film is metal film or low-resistance conductive.
Claims (7)
1. the wiring of a capacitive touch screen is included in the nesa coating and the dielectric film of two groups of leads that substrate upper edge X, Y direction arrange, it is characterized in that,
The nesa coating of described directions X is connected continuous the connection with putting up a bridge comprising with the structure of the nesa coating infall of described Y direction, and the nesa coating of described Y direction is comprising that with the structure of the nesa coating infall of described directions X continuous the connection with bridging is connected;
Described continuous syndeton is: the electrically conducting transparent membrane material that is positioned at the both sides, point of crossing of X, Y direction is realized the connection of lead continuously;
Described bridging syndeton is: at the place, point of crossing of described X, Y direction, the nesa coating of a direction connects continuously and is located immediately on the described substrate in described X, the Y direction, the nesa coating of another direction is interrupted at place, described point of crossing in described X, the Y direction, and described dielectric film covers the nesa coating of the described continuous connection at place, described point of crossing; Comprise that face resistance is lower than the bridging film of described nesa coating, this bridging film is across the nesa coating of the continuous connection at place, described point of crossing and cover and connect the described nesa coating that place, described point of crossing is interrupted on the described dielectric film.
2. the wiring of capacitive touch screen as claimed in claim 1, it is characterized in that the edge of described dielectric film is positioned on the substrate surface at the contiguous place of described nesa coating of its covering or the edge of described dielectric film is positioned on the adjacent described interruption nesa coating and on the substrate surface at contiguous place.
3. the wiring of capacitive touch screen as claimed in claim 1 is characterized in that, described bridging film is metal film or low-resistance conductive.
4. the wiring of capacitive touch screen as claimed in claim 3 is characterized in that, described metal film is one or more layers of metal level or metal alloy layer, and described low-resistance conductive is one or more layers.
5. as the wiring of the described capacitive touch screen of one of claim 1 to 4, it is characterized in that, the nesa coating of described directions X with described continuous connection of the nesa coating infall of described Y direction be connected interleaved with putting up a bridge.
6. as the wiring of the described capacitive touch screen of one of claim 1 to 4, it is characterized in that, the nesa coating of described Y direction with described continuous connection of the nesa coating infall of described directions X be connected interleaved with putting up a bridge.
7. as the wiring of the described capacitive touch screen of one of claim 1 to 4, it is characterized in that described dielectric film is shaped as rectangle, square or one of oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202040347U CN201489507U (en) | 2009-08-21 | 2009-08-21 | Capacitive touch screen wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202040347U CN201489507U (en) | 2009-08-21 | 2009-08-21 | Capacitive touch screen wiring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201489507U true CN201489507U (en) | 2010-05-26 |
Family
ID=42428377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202040347U Expired - Lifetime CN201489507U (en) | 2009-08-21 | 2009-08-21 | Capacitive touch screen wiring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201489507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103003781A (en) * | 2010-07-14 | 2013-03-27 | Lg伊诺特有限公司 | Touch panel and method for manufacturing the same |
-
2009
- 2009-08-21 CN CN2009202040347U patent/CN201489507U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103003781A (en) * | 2010-07-14 | 2013-03-27 | Lg伊诺特有限公司 | Touch panel and method for manufacturing the same |
| US9535543B2 (en) | 2010-07-14 | 2017-01-03 | Lg Innotek Co., Ltd. | Touch panel and method for manufacturing the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100526 Effective date of abandoning: 20090821 |