CN203588245U - Capacitive touch screen - Google Patents
Capacitive touch screen Download PDFInfo
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- CN203588245U CN203588245U CN201320736625.5U CN201320736625U CN203588245U CN 203588245 U CN203588245 U CN 203588245U CN 201320736625 U CN201320736625 U CN 201320736625U CN 203588245 U CN203588245 U CN 203588245U
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- touch screen
- layer
- silicon dioxide
- metal lead
- capacitance touch
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Abstract
The utility model discloses a capacitive touch screen. The capacitive touch screen comprises a meal lead and a glass substrate, wherein a transparent conducting film sensor layer and a silicon dioxide film protective layer are further stacked on one surface or two opposite surfaces of the glass substrate in sequence, and the metal lead is arranged in the edge area of the transparent conducting film sensor layer, and is electrically connected with pins of a transparent conducting film sensor. According to the capacitive touch screen, due to the fact that the silicon dioxide film protective layer is stacked on the surface of the transparent conducting film sensor in a combination mode, the problem that stains can be easily formed on the surface of a transparent resin protective layer of an existing capacitive touch screen is solved; due to the fact that the silicon dioxide film protective layer is high in strength, the transparent conducting film sensor can be prevented from being scratched; in addition, due to the facts that the silicon dioxide film protective layer extends to the top of the metal lead, and the metal lead is covered with the silicon dioxide film protective layer, when the external temperature and external humidity greatly change, for example, the high-temperature and high-humidity environment is formed, damage to the silicon dioxide film protective layer cannot be caused basically, and the metal lead cannot be easily corroded.
Description
Technical field
The utility model belongs to touch screen technology field, relates in particular to a kind of capacitance touch screen.
Background technology
Along with to the growing with each passing day of multimedia information inquiry, people are more and more to the application of touch-screen.Wherein, capacitance touch screen is one of current main product.In capacitive touch screen structure, sensor (Sensor) is a kind of important device, and its function is experience the various amounts of specified measuring range and be converted into according to certain rules useful signal.Therefore, in order to protect sensor layer, adopt at present be at its surface-coated layer of transparent resin if OC optical cement is as protective seam, guarantee the stable performance of capacitance touch screen.But, due in coating process, in environment, inevitably there is the impurity such as dust, easily on transparent protective resin layer surface, form stain.In addition, the insufficient strength of transparent protective resin layer, easily causes scratch on the surface of sensor; And when outside humiture changes greatly, under hot and humid environment, easily make metal lead wire corrosion.Above defect all will cause the yield of product to decline.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of capacitance touch screen is provided, and to solve the transparent protective resin layer surface of existing capacitance touch screen, easily forms stain, sensor easily by the technical matters of scratch.
The utility model is achieved in that a kind of capacitance touch screen, comprises metal lead wire and glass substrate, on two surperficial or relative surfaces of described glass substrate one, has also stacked gradually nesa coating sensor layer and silicon dioxide film protective seam; Described metal lead wire is arranged on the fringe region of described electrically conducting transparent film sensors, and is electrically connected to the pin of described electrically conducting transparent film sensors.
Preferably, described silicon dioxide film protective seam extends on described metal lead wire, and covers described metal lead wire.
Preferably, the thickness of described silicon dioxide film protective seam is
Preferably, described capacitance touch screen also comprises the OC bridge layer for electrode transition, and described OC bridge is stacked to be combined between described electrically conducting transparent film sensors and silicon dioxide layer of protection.
Preferably, on described glass substrate one surface, stack gradually nesa coating sensor layer and silicon dioxide film protective seam, on the surface relative with stacked combination nesa coating sensor layer one surface of described glass substrate, be also combined with screen layer.
Further preferably, described capacitance touch screen also comprises the OC bridge layer for electrode transition, and described OC bridge is stacked to be combined between described electrically conducting transparent film sensors and silicon dioxide layer of protection.
Preferably, the thickness of described nesa coating sensor layer is
Preferably, described metal lead wire is arranged on the surface of the pin of described electrically conducting transparent film sensors.
Preferably, described metal lead wire consists of the first molybdenum layer, aluminium lamination, the second molybdenum layer that stack gradually combination, and the thickness of described the first molybdenum layer is
the thickness of described aluminium lamination is
the thickness of described the second molybdenum layer is
This capacitance touch screen, by by the stacked surface that is combined in electrically conducting transparent film sensors of silicon dioxide film protective seam, has solved the easy problem that forms stain in transparent protective resin layer surface of existing capacitance touch screen; And the intensity of silicon dioxide film protective seam is very high, can prevent that sensor is by scratch.
In addition, silicon dioxide film protective seam is extended on metal lead wire, and covering metal lead-in wire; like this, when outside humiture changes greatly, under hot and humid environment; substantially also can not cause the damage of silicon dioxide film protective seam, so metal lead wire is difficult for being corroded.
Accompanying drawing explanation
Fig. 1 is the front elevation of the capacitance touch screen that provides of the utility model embodiment;
Fig. 2 is the structural representation of a kind of capacitance touch screen of providing of the utility model embodiment;
Fig. 3 is the structural representation of the another kind of capacitance touch screen that provides of the utility model embodiment;
Fig. 4 is the structural representation of another capacitance touch screen of providing of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model embodiment provides a kind of capacitance touch screen, to solve the transparent protective resin layer surface of existing capacitance touch screen, easily forms stain, sensor easily by the technical matters of scratch.The structure of this capacitance touch screen, as shown in Fig. 1～4, comprises metal lead wire 4 and glass substrate 1, on two surperficial or relative surfaces of glass substrate 1 one, has stacked gradually nesa coating sensor layer 2 and silicon dioxide film protective seam 3; Metal lead wire 4 is arranged on the fringe region of electrically conducting transparent film sensors 2, and is electrically connected to the pin 5 of electrically conducting transparent film sensors 2.Therefore, the utility model capacitance touch screen has following two kinds of embodiment:
Particularly, Fig. 2 is the capacitance touch screen that one side is provided with sensor layer, and it comprises glass substrate 1, nesa coating sensor layer 2 and the silicon dioxide film protective seam 3 that stacks gradually combination.Wherein, at the fringe region of electrically conducting transparent film sensors 2, metal lead wire 4 is set, this metal lead wire 4 is electrically connected to the pin 5 of electrically conducting transparent film sensors 2.
Fig. 3 is the two-sided capacitance touch screen that is provided with sensor layer, and it comprises glass substrate 1 and the nesa coating sensor layer 21 stacking gradually on these glass substrate 1 one surfaces, silicon dioxide film protective seam 31 and the nesa coating sensor layer 22, the silicon dioxide film protective seam 32 that on another relative surface of this glass substrate 1, stack gradually.Wherein, nesa coating sensor layer 21 and or the fringe region of nesa coating sensor layer 22 metal lead wire 4 is set, this metal lead wire 4 is electrically connected to the pin 5 of nesa coating sensor layer 21 and nesa coating sensor layer 22.
Like this, by by the stacked surface that is combined in electrically conducting transparent film sensors 2 of silicon dioxide film protective seam 3, solved the easy problem that forms stain in transparent protective resin layer surface of existing capacitance touch screen; And the intensity of silicon dioxide film protective seam 3 is higher, can prevent that electrically conducting transparent film sensors 2 is by scratch.
Further, as the utility model preferred embodiment, on the basis of capacitive touch screen structure shown in Fig. 2,3, the stacked OC bridge layer 7 being combined with for electrode transition also between nesa coating sensor layer and silicon dioxide film protective seam.In specific embodiment, on the basis of capacitive touch screen structure shown in Fig. 2, this OC bridge layer 7 is arranged between nesa coating sensor layer 2 and silicon dioxide film protective seam 3, as shown in Figure 4.In another specific embodiment; on the basis of capacitive touch screen structure shown in Fig. 3, this OC bridge layer 7 is arranged on (the two-sided capacitance touch screen that is provided with sensor layer containing this OC bridge layer shows without figure) between nesa coating sensor layer 21 and silicon dioxide film protective seam 31 and/or between nesa coating sensor layer 22 and silicon dioxide film protective seam 32.This OC bridge layer mainly plays insulating effect, can further prevent non-essential contact between nesa coating sensor layer and metal lead wire and cause short circuit, visual concrete condition and arranging.
Further, as the utility model preferred embodiment, at the one side shown in Fig. 2 and/or Fig. 4, be provided with on the basis of capacitive touch screen structure of sensor layer, on the surface relative with stacked combination nesa coating sensor layer 2 one surfaces of glass substrate 1, be also combined with screen layer.In the specific embodiment as shown in Fig. 4, this screen layer 8 is combined on the surface relative with stacked combination nesa coating sensor layer 2 one surfaces that glass substrate 1 outside surface be combined in glass substrate 1.This screen layer mainly shields, can further prevent nesa coating sensor layer be subject to air oxidation, scratch impaired, thereby improve product yield.
Particularly, as the utility model preferred embodiment, the silicon dioxide film protective seam 3 shown in Fig. 1～4 extends on metal lead wire 4, and covering metal lead-in wire 4.When outside humiture changes greatly, under hot and humid environment, silicon dioxide film protective seam 3 still can be not destroyed, effectively intercepted airborne oxygen and contacted with metal lead wire 4, therefore can prevent that metal lead wire 4 is corroded.
As the utility model preferred embodiment, the thickness of the silicon dioxide film protective seam 3 shown in Fig. 1～4 is
in this thickness range, can make to protect effect and cost to reach good balance.
As the utility model preferred embodiment, the thickness of the nesa coating sensor layer 2 shown in Fig. 1～4 is
in this thickness range, can realize good conduction sensing function, meet cost requirement simultaneously.In addition, the type of electrically conducting transparent film sensors 2 is unrestricted, wherein preferred ITO film sensors.
Metal lead wire 4 is unrestricted with the electric connection mode of the pin 5 of electrically conducting transparent film sensors 2.As the utility model preferred embodiment, the metal lead wire 4 shown in Fig. 1～4 is arranged on the surface of the pin 5 of conducting film sensor 2.Can make like this both contact well, be conducive to sensing conducting.In addition, one end of metal lead wire 4 is provided with terminal 6, can realize being like this electrically connected to of capacitance touch screen and external circuit.
As the utility model preferred embodiment, the metal lead wire 4 shown in Fig. 1～4 consists of the first molybdenum layer, aluminium lamination, the second molybdenum layer that stack gradually combination, and the thickness of described the first molybdenum layer is
the thickness of described aluminium lamination is
the thickness of described the second molybdenum layer is
The thickness of described glass substrate 1 is determined according to product requirement.As the utility model preferred embodiment, the thickness of the glass substrate 1 shown in Fig. 1～4 is 0.4-0.7mm.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a capacitance touch screen, is characterized in that: comprise metal lead wire and glass substrate, on two surperficial or relative surfaces of described glass substrate one, also stacked gradually nesa coating sensor layer and silicon dioxide film protective seam; Described metal lead wire is arranged on the fringe region of described electrically conducting transparent film sensors, and is electrically connected to the pin of described electrically conducting transparent film sensors.
2. capacitance touch screen as claimed in claim 1, is characterized in that: described silicon dioxide film protective seam extends on described metal lead wire, and covers described metal lead wire.
3. capacitance touch screen as claimed in claim 1, is characterized in that: the thickness of described silicon dioxide film protective seam is
4. the capacitance touch screen as described in claim 1-3 any one, is characterized in that: also comprise the OC bridge layer for electrode transition, described OC bridge is stacked to be combined between described electrically conducting transparent film sensors and silicon dioxide layer of protection.
5. the capacitance touch screen as described in claim 1-3 any one; it is characterized in that: on described glass substrate one surface, stacked gradually nesa coating sensor layer and silicon dioxide film protective seam, on the surface relative with stacked combination nesa coating sensor layer one surface of described glass substrate, be also combined with screen layer.
6. capacitance touch screen as claimed in claim 5, is characterized in that: also comprise the OC bridge layer for electrode transition, described OC bridge is stacked to be combined between described electrically conducting transparent film sensors and silicon dioxide layer of protection.
7. the capacitance touch screen as described in claim 1-3 any one, is characterized in that: the thickness of described nesa coating sensor layer is
8. the capacitance touch screen as described in claim 1-3 any one, is characterized in that: described metal lead wire is arranged on the surface of the pin of described electrically conducting transparent film sensors.
9. the capacitance touch screen as described in claim 1-3 any one, is characterized in that: described metal lead wire consists of the first molybdenum layer, aluminium lamination, the second molybdenum layer that stack gradually combination, and the thickness of described the first molybdenum layer is
the thickness of described aluminium lamination is
the thickness of described the second molybdenum layer is
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736625.5U CN203588245U (en) | 2013-11-19 | 2013-11-19 | Capacitive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736625.5U CN203588245U (en) | 2013-11-19 | 2013-11-19 | Capacitive touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203588245U true CN203588245U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320736625.5U Expired - Fee Related CN203588245U (en) | 2013-11-19 | 2013-11-19 | Capacitive touch screen |
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| Country | Link |
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| CN (1) | CN203588245U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105094401A (en) * | 2014-05-15 | 2015-11-25 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN105446514A (en) * | 2014-08-21 | 2016-03-30 | 宸鸿科技(厦门)有限公司 | Touch panel |
-
2013
- 2013-11-19 CN CN201320736625.5U patent/CN203588245U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105094401A (en) * | 2014-05-15 | 2015-11-25 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN105094401B (en) * | 2014-05-15 | 2018-08-07 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN105446514A (en) * | 2014-08-21 | 2016-03-30 | 宸鸿科技(厦门)有限公司 | Touch panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20181119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |