CN101576794A - Capacitive touch screen wiring and manufacturing method thereof - Google Patents
Capacitive touch screen wiring and manufacturing method thereof Download PDFInfo
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- CN101576794A CN101576794A CN 200910107676 CN200910107676A CN101576794A CN 101576794 A CN101576794 A CN 101576794A CN 200910107676 CN200910107676 CN 200910107676 CN 200910107676 A CN200910107676 A CN 200910107676A CN 101576794 A CN101576794 A CN 101576794A
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- lead
- nesa coating
- dielectric film
- touch screen
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- 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
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
Abstract
The invention discloses a capacitive touch screen wiring and a manufacturing method thereof. A bridging jumper wire comprises two groups of line conductor transparent conductive films, an insulating film and a metallic bridging film layer which are arranged on a base plate; the first group of line conductor transparent conductive films are arranged continuously, and the second group of line conductor transparent conductive films are arranged sectionally by taking the first group of line conductor transparent conductive films as spacers; the insulating film covers the first group of line conductor transparent conductive films and the adjacent base plate surface at the intersection of two groups of line conductors; the metallic bridging film crosses over the insulating film to connect the second group of line conductor transparent conductive films arranged at intervals as a continuous body and covers the surface of the base plate. The method comprises the steps of: manufacturing two groups of line conductor conductive files, and manufacturing the insulating film and manufacturing the metallic bridging film. In the invention, the transparent conductive films of two groups of line conductors can be manufactured at the same time, thereby avoiding chromatic aberration and improving the quality of the touch screen; the margin of the insulating film is located on the base plate, and the metallic bridging film layer can not be broken, thereby improving the yield of the product; the metallic bridging film layer is thick and not easy to be broken; and the metallic bridging film layer has small wire resistance, thereby improving the performance of the touch screen.
Description
Technical field
The present invention relates to a kind of touch screen wiring, also relate to the manufacture method of this touch screen wiring, be specifically related to a kind of capacitive touch screen wiring and manufacture method thereof.
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;
3, lead conducting film line resistance is higher, reduces touch screen performance.
Summary of the invention
One of the technical problem to be solved in the present invention is, a kind of capacitive touch screen wiring 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.
Two of the technical problem to be solved in the present invention is, a kind of manufacture method of capacitive touch screen wiring is provided, and overcomes the local broken string of aberration, lead of prior art existence, the high defective of line resistance of lead conducting film.
The present invention solves the technical scheme that one of its technical matters adopts: construct a kind of capacitive touch screen wiring, comprise and be arranged in glass substrate upper edge X, the nesa coating and the dielectric film of two groups of leads that the Y direction is arranged, it is characterized in that, also comprise metal bridging rete, the nesa coating of first group of lead is provided with continuously in described two groups of leads, the nesa coating of second group of lead is the space segmentation setting with the nesa coating of described first group of lead, described dielectric film covers the nesa coating of described first group of lead of described two groups of lead infalls, the edge of this dielectric film is positioned on the substrate surface at the contiguous place of this nesa coating, and described metal bridging rete connects the second group of lead nesa coating that is provided with at interval in the nesa coating both sides of described first group of lead across described dielectric film to be made it to become second group of continuous lead and cover substrate surface between this connected second group of lead nesa coating and this dielectric film.
In capacitive touch screen wiring of the present invention, described metal bridging rete is one or more layers of metal level or metal alloy layer.
In capacitive touch screen wiring of the present invention, described dielectric film is shaped as rectangle, square or one of oval.
In capacitive touch screen wiring of the present invention, the width of described metal bridging rete is less than the width of the nesa coating of described second group of lead.
Two technical schemes that adopted that the present invention solves its technical matters are: a kind of manufacture method of capacitive touch screen wiring is provided, comprises the steps:
S1, make first group, second group lead nesa coating at the same time or separately on glass substrate, the nesa coating of first group of lead is provided with continuously, the nesa coating of second group of lead is the space segmentation setting with the nesa coating of first group of lead;
S2, making dielectric film, dielectric film covers the nesa coating of first group of lead of two groups of lead infalls, and the dielectric film edge is positioned on the substrate at the contiguous place of this nesa coating;
S3, making metal bridging film, metal bridging film connects second group of lead nesa coating that the nesa coating both sides be positioned at first group of lead are provided with at interval across dielectric film makes it to become second group of continuous lead, and metal bridging film covers on the substrate surface between connected second group of lead nesa coating and the dielectric film simultaneously.
In the manufacture method of capacitive touch screen wiring of the present invention, among the described step S2, the dielectric film shape is square or oval making according to rectangle.
In the manufacture method of capacitive touch screen wiring of the present invention, among the described step S3, the one or more layers metal or metal alloy of metal bridging film production.
Implement capacitive touch screen wiring of the present invention and manufacture method thereof, compared with the prior art, its beneficial effect is:
1. the transparent conductive film layer of two groups of leads can be made simultaneously, has avoided making the aberration that causes respectively, has improved the product quality of touch-screen;
2. metal bridging rete is thicker, is not prone to the broken string phenomenon, has improved the continuity of second group of lead;
3. the line resistance of metal bridging rete has reduced the line resistance of second group of lead much smaller than the line resistance of transparent lead rete, has improved the performance of touch-screen;
4. contiguous second group of lead nesa coating one lateral edges of dielectric film and do not contact second group of lead nesa coating, perk can not appear in the dielectric film edge, so metal bridging rete can not break at the edge of dielectric film, has improved yield of products.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural plan figure of the node of a kind of embodiment of capacitive touch screen wiring of the present invention.
Fig. 2 is an A-A sectional view among Fig. 1.
Fig. 3 is the process flow diagram of a kind of embodiment of manufacture method of capacitive touch screen wiring of the present invention.
Embodiment
As shown in Figure 1 and Figure 2, capacitive touch screen wiring of the present invention comprises nesa coating and the dielectric film that is arranged on the glass substrate 1 respectively two groups of leads arranging along X, Y both direction.The nesa coating 4 of first group of lead is provided with continuously, the nesa coating 2 of second group of lead is the space segmentation setting with the nesa coating 4 of first group of lead, dielectric film 3 covers the nesa coating 4 of first group of lead of two groups of lead infalls, the edge of dielectric film 3 is positioned on the surface of these nesa coating 4 contiguous substrates of locating 1, metal bridging rete 5 is set, this metal bridging rete 5 connects second group of lead nesa coating 2 that nesa coating 4 both sides that are positioned at first group of lead are provided with at interval across dielectric film 3 makes it to become second group of continuous lead, and this metal bridging rete 5 covers the surface of the substrate 1 between these connected second group of lead nesa coatings 2 and this dielectric film 3 simultaneously.So promptly finished two groups of leads mutually insulated, complete, because dielectric film 3 do not contact second group of lead nesa coating 2, the edge of dielectric film 3 can perk, so metal bridging rete 5 can not break in the edge of dielectric film 3.The end of metal bridging rete 5 intactly is connected with second group of lead nesa coating 2, for the quality of connection of raising and assurance metal bridging rete 5 and second group of lead nesa coating 2 has been created condition.
Metal bridging rete can be adopted as the metal level or the metal alloy layer of one deck, two-layer, three layers or multilayer.Its thickness is much larger than the thickness of transparent conductive film layer, therefore, adopt metal bridging rete to carry out wire jumper, be not easy to produce the broken string phenomenon, and the line resistance of metallic diaphragm is much smaller than the line resistance of transparent conductive film layer, so bridging jumper wire construction of the present invention has reduced the line resistance of second group of lead, thereby has improved the performance of touch-screen.
As shown in Figure 2, in the present embodiment, the shape of dielectric film 3 adopts rectangle, and in other embodiments, dielectric film 3 can adopt and include but not limited to square, ellipse.
Metal bridging rete is littler than the line resistance of transparent conductive film layer, conductivity is high, and its width is usually less than the width of the nesa coating of second group of lead.
As shown in Figure 3, the manufacture method of capacitive touch screen wiring of the present invention is as follows:
The first step is made first group, second group lead nesa coating at the same time or separately on glass substrate, the nesa coating of first group of lead is provided with continuously, the nesa coating of second group of lead is the space segmentation setting with the nesa coating of first group of lead.Make first group, second group lead nesa coating simultaneously, can avoid producing aberration, make first group, second group lead nesa coating respectively,, do not influence the present invention and realize its goal of the invention though may produce aberration.
Second step, make dielectric film, dielectric film covers the nesa coating of first group of lead of two groups of lead infalls, and the dielectric film edge is positioned on the substrate at the contiguous place of this nesa coating.Like this, the dielectric film edge can perk, can not cause across the fracture of the metal bridging film on it, thereby improve yield of products.
The 3rd step, make metal bridging film, metal bridging film connects second group of lead nesa coating that the nesa coating both sides be positioned at first group of lead are provided with at interval across dielectric film makes it to become second group of continuous lead, and metal bridging film covers on the substrate surface between connected second group of lead nesa coating and the dielectric film simultaneously.
In the above-mentioned steps two, the dielectric film shape is square or oval making according to rectangle.
In the above-mentioned steps three, metal bridging film is one deck, two-layer, three layers or multiple layer metal or metal alloy.
Claims (8)
1, a kind of capacitive touch screen wiring, comprise and be arranged in glass substrate upper edge X, the nesa coating and the dielectric film of two groups of leads that the Y direction is arranged, it is characterized in that, also comprise metal bridging rete, the nesa coating of first group of lead is provided with continuously in described two groups of leads, the nesa coating of second group of lead is the space segmentation setting with the nesa coating of described first group of lead, described dielectric film covers the nesa coating of described first group of lead of described two groups of lead infalls, the edge of this dielectric film is positioned on the substrate surface at the contiguous place of this nesa coating, and described metal bridging rete connects the second group of lead nesa coating that is provided with at interval in the nesa coating both sides of described first group of lead across described dielectric film to be made it to become second group of continuous lead and cover substrate surface between this connected second group of lead nesa coating and this dielectric film.
2, capacitive touch screen wiring as claimed in claim 1 is characterized in that, described metal bridging rete is one or more layers of metal level or metal alloy layer.
3, capacitive touch screen wiring as claimed in claim 1 or 2 is characterized in that, described dielectric film is shaped as rectangle, square or one of oval.
4, capacitive touch screen wiring as claimed in claim 1 or 2 is characterized in that, the width of described metal bridging rete is less than the width of the nesa coating of described second group of lead.
5, capacitive touch screen wiring as claimed in claim 3 is characterized in that, the width of described metal bridging rete is less than the width of the nesa coating of described second group of lead.
6, a kind of manufacture method of capacitive touch screen wiring comprises the steps:
S1, make first group, second group lead nesa coating at the same time or separately on glass substrate, the nesa coating of first group of lead is provided with continuously, the nesa coating of second group of lead is the space segmentation setting with the nesa coating of first group of lead;
S2, making dielectric film, dielectric film covers the nesa coating of first group of lead of two groups of lead infalls, and the dielectric film edge is positioned on the substrate at the contiguous place of this nesa coating;
S3, making metal bridging film, metal bridging film connects second group of lead nesa coating that the nesa coating both sides be positioned at first group of lead are provided with at interval across dielectric film makes it to become second group of continuous lead, and metal bridging film covers on the substrate surface between connected second group of lead nesa coating and the dielectric film simultaneously.
7, the manufacture method of capacitive touch screen wiring as claimed in claim 6 is characterized in that, among the described step S2, the dielectric film shape is square or oval making according to rectangle.
8, the manufacture method of capacitive touch screen wiring as claimed in claim 6 is characterized in that, among the described step S3, and the one or more layers metal or metal alloy of metal bridging film production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910107676 CN101576794B (en) | 2009-06-05 | 2009-06-05 | Capacitive touch screen and manufacturing method thereof |
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| CN 200910107676 CN101576794B (en) | 2009-06-05 | 2009-06-05 | Capacitive touch screen and manufacturing method thereof |
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| CN101576794A true CN101576794A (en) | 2009-11-11 |
| CN101576794B CN101576794B (en) | 2011-05-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102236492A (en) * | 2011-08-16 | 2011-11-09 | 深圳市宝明科技股份有限公司 | ITO (Indium Tin Oxide) bridge crossing capacitive touch screen and manufacturing method thereof |
| CN102346609A (en) * | 2010-08-03 | 2012-02-08 | 群康科技(深圳)有限公司 | Display system with capacitive touch panel and manufacturing method thereof |
| CN101751178B (en) * | 2009-12-18 | 2012-11-14 | 深圳莱宝高科技股份有限公司 | Touch panel and manufacturing method thereof |
| CN111444054A (en) * | 2020-03-30 | 2020-07-24 | 广东美的制冷设备有限公司 | Touch screen disconnection identification method and device and electronic equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4545424B2 (en) * | 2003-12-11 | 2010-09-15 | アルプス電気株式会社 | Coordinate input device and image display device and electronic apparatus provided with the same |
| CN201247461Y (en) * | 2008-07-21 | 2009-05-27 | 洋华光电股份有限公司 | Improved capacitance touch control plate structure |
| CN101441545A (en) * | 2008-12-08 | 2009-05-27 | 中国南玻集团股份有限公司 | Capacitance type touch control screen and manufacturing method thereof |
-
2009
- 2009-06-05 CN CN 200910107676 patent/CN101576794B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101751178B (en) * | 2009-12-18 | 2012-11-14 | 深圳莱宝高科技股份有限公司 | Touch panel and manufacturing method thereof |
| CN102346609A (en) * | 2010-08-03 | 2012-02-08 | 群康科技(深圳)有限公司 | Display system with capacitive touch panel and manufacturing method thereof |
| CN102236492A (en) * | 2011-08-16 | 2011-11-09 | 深圳市宝明科技股份有限公司 | ITO (Indium Tin Oxide) bridge crossing capacitive touch screen and manufacturing method thereof |
| CN102236492B (en) * | 2011-08-16 | 2012-07-18 | 深圳市宝明科技股份有限公司 | ITO (Indium Tin Oxide) bridge crossing capacitive touch screen and manufacturing method thereof |
| CN111444054A (en) * | 2020-03-30 | 2020-07-24 | 广东美的制冷设备有限公司 | Touch screen disconnection identification method and device and electronic equipment |
| CN111444054B (en) * | 2020-03-30 | 2024-03-08 | 广东美的制冷设备有限公司 | Touch screen broken line identification method and device and electronic equipment |
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| Publication number | Publication date |
|---|---|
| CN101576794B (en) | 2011-05-18 |
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