CN202838273U - Touch panel - Google Patents
Touch panel Download PDFInfo
- Publication number
- CN202838273U CN202838273U CN 201220218820 CN201220218820U CN202838273U CN 202838273 U CN202838273 U CN 202838273U CN 201220218820 CN201220218820 CN 201220218820 CN 201220218820 U CN201220218820 U CN 201220218820U CN 202838273 U CN202838273 U CN 202838273U
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- China
- Prior art keywords
- conductive
- contact panel
- screen layer
- bridging structure
- utility
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- Expired - Lifetime
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Abstract
The utility model provides a touch panel which comprises a plurality of first conductive shafts, a plurality of second conductive units, a plurality of bridging structures, and a shielding layer, wherein an insulation layer is covered on the first conductive shafts and the second conductive units, and at least a part of the second conductive units is exposed. The plurality of bridging structures and the shielding layer are together covered on the insulation layer, the bridging structures and a part of the second conductive units are electrically connected, and the shielding layer and the bridging structures are made of same materials and formed in the same manufacture procedure.
Description
Technical field
The utility model is relevant for a kind of contact panel, and particularly relevant for a kind of touch control panel device with screen layer.
Background technology
In the market of various consumption electronic products now, the interface tool that the portable electronic products such as personal digital assistant (PDA), mobile phone (mobile Phone), notebook computer (notebook) and flat computer (tablet PC) use contact panel (touch panel) to link up as its data all widely.In addition, because the design of electronic product is all take light, thin, short, little as direction at present, therefore on product, hold such as traditional input equipments such as keyboard, mouses without enough spaces, especially under the drive of the flat computer demand of stressing human oriented design, touch panel has suddenly become one of crucial spare part.
When known contact panel transmission or reception signal, for the signal of avoiding outside other electronic packages disturbs, additionally adding one deck screen layer utilizes the electrostatic screening principle in touch panel structure provided, increases the antijamming capability of contact panel.Yet increase this screen layer, tend to so that cost of manufacture increases, and so that processing procedure is more complicated.
The utility model content
The utility model provides a kind of contact panel and preparation method thereof, can finish the making of screen layer simultaneously in the manufacturing process of contact panel, does not additionally increase making step.
The utility model provides a kind of contact panel method for making, may further comprise the steps: form a plurality of first conductive shafts and a plurality of the second conductive unit on a substrate; Cover an insulation course on this first conductive shaft and the second conductive unit, expose at least this second conductive unit of part; And form simultaneously a plurality of bridging structures and a screen layer, be covered on this insulation course, and this bridging structure is electrically connected with this second conductive unit respectively.
The utility model provides a kind of contact panel method for making in addition, may further comprise the steps: form simultaneously a plurality of bridging structures and a screen layer on a substrate; Cover an insulation course on this bridging structure and this screen layer, and expose at least this bridging structure of part; A plurality of first conductive shafts and a plurality of the second conductive unit are provided, and wherein this second conductive unit of part is electrically connected with this bridging structure at least.
It is a kind of touch panel structure provided that the utility model provides in addition, comprises a plurality of first conductive shafts and a plurality of the second conductive unit; One insulation course is covered on this first conductive shaft and the second conductive unit, exposes at least this second conductive unit of part; A plurality of bridging structures and a screen layer are covered on this insulation course jointly, and this bridging structure is electrically connected with this second conductive unit of part, and the material of this screen layer and this bridging structure is identical and formed by same processing procedure.
The utility model is characterised in that when forming bridging structure, also makes simultaneously screen layer with identical material, does not therefore need additionally to carry out the making step of screen layer, escapable cost and Production Time, and can make contact panel reach jamproof effect.
Description of drawings
Fig. 1 looks synoptic diagram on the structure of the utility model the first preferred embodiment;
Fig. 2 looks synoptic diagram on the structure of the utility model the first preferred embodiment;
Fig. 3 A looks synoptic diagram on the insulation course in the utility model the first preferred embodiment;
Fig. 3 B looks synoptic diagram on the structure of the utility model the first preferred embodiment;
Fig. 4 A looks synoptic diagram on bridging structure and the screen layer in the utility model the first preferred embodiment;
Fig. 4 B looks synoptic diagram on the structure of the utility model the first preferred embodiment;
Fig. 5 A be the utility model the first preferred embodiment along the II ' profile line among Fig. 4 B the structural profile synoptic diagram;
Fig. 5 B is the structural profile synoptic diagram of the utility model the first preferred embodiment;
Fig. 6 is the structural profile synoptic diagram of the utility model the second preferred embodiment;
Fig. 7 A looks synoptic diagram on bridging structure and the screen layer in the utility model the second preferred embodiment;
Fig. 7 B be the present invention's the second preferred embodiment another implement to look synoptic diagram on the bridging structure of aspect and the screen layer;
Fig. 8 is the structural profile synoptic diagram of the utility model the 3rd preferred embodiment.
[primary clustering symbol description]
1: contact panel
2: contact panel
3: contact panel
10: substrate
20: the first conductive shafts
22: the first conductive units
24: connecting line segment
30: the second conductive shafts
32: the second conductive units
40: wire
50: insulation course
52: hole (52 do not occur in Fig. 5 A and in the summary, note checking)
62: bridging structure
64: screen layer
66: the space
68: bridging structure
70: protective seam
72: ground wire
Embodiment
Know the utility model person of ordinary skill in the field and can further understand the utility model for making, hereinafter the spy enumerates the preferred embodiment of the utility model, and cooperates appended graphicly, describes constitution content of the present utility model and institute in detail and wants the effect reached.
Please refer to Fig. 1 to Fig. 5, Fig. 1 looks synoptic diagram on the structure of the utility model the first preferred embodiment.The utility model the first preferred embodiment provides a kind of method for making of contact panel 1, and it comprises that a plurality of first conductive shafts 20 of formation and a plurality of the second conductive units 32 are on a substrate 10.Wherein each first conductive shaft 20 is concatenated into by a plurality of the first conductive units 22 and a plurality of connecting line segments 24 of connecting adjacent two the first conductive units 22, the first conductive shaft 20 is arranged in parallel (for example for Y-axis) along a first direction, and the second conductive unit 32 is separated from one another and be electrically insulated with each first conductive shaft 20.In addition, the first conductive unit 22 and the second conductive unit 32 roughly assume diamond in shape, but certainly can set according to specific requirement, are not limited with the rhombus in the present embodiment.
Then as shown in Figure 2, Fig. 2 looks synoptic diagram on the structure of the utility model the first preferred embodiment.The utility model the first preferred embodiment further forms plural wires 40, be electrically connected with each first conductive shaft 20 of part and part the second conductive unit 32, the material of wire 40 can be selected from metal such as aluminium, copper, silver etc., or transparent conductive material, each wire 40 links to each other with a touch-control chip (not shown) of outside, and the signal that is sent on the contact panel with transmission is to the touch-control chip.
Then, cover an insulation course on substrate 10, the first conductive shaft 20 and the second conductive unit 32, singly see the top view of insulating layer pattern as shown in Figure 3A, a plurality of holes 52 are arranged in the middle of the insulation course 50, after being covered in insulation course 50 on the substrate, shown in Fig. 3 B, hole 52 meeting exposed portions serve the second conductive unit 32 is as the contact hole of successive process bridging structure.In the present embodiment, insulation course 50 is various non-conductive materials, for example pi (Polyimide, PI), monox (SiO2), silicon nitride (SiN), silicon oxynitride (SiCN), silit (SiC) etc.
Then, form simultaneously bridging structure and screen layer on insulation course 50, see also Fig. 4 A～5B, Fig. 4 A is for singly seeing the top view of bridging structure 62 and screen layer 64, and bridging structure 62 and screen layer 64 that Fig. 4 A is illustrated are covered on the insulation course, namely shown in Fig. 4 B, each bridging structure 62 presents bridge type from the side, crosses over insulation course, connects two the second conductive units 32, so that each second conductive unit 32 is bridged structure 62 series windings, form a plurality of the second conductive shafts 30.Simultaneously, screen layer 64 is also finished simultaneously with bridging structure 62, is positioned at around the bridging structure, and the space 66 that is separated by, centre to realize electrical separation, is avoided contacting with each other and disturbed.Fig. 5 A is the diagrammatic cross-section along the II ' profile line among Fig. 4 B of the utility model the first preferred embodiment, because screen layer 64 is made simultaneously with bridging structure 62 in the utility model, so both materials are all identical with thickness, wherein screen layer 64 comprises transparent conductive material with the material of bridging structure 62, and described transparent conductive material is tin indium oxide, indium zinc oxide, cadmium tin, aluminum zinc oxide, the indium oxide zinc-tin, zinc paste, cadmium oxide, hafnia, indium oxide gallium zinc, indium oxide gallium zinc-magnesium, indium oxide gallium magnesium, indium oxide gallium aluminium, Graphene or nano-silver thread, CNT.In known techniques, screen layer does not need other making, can reach cost and the effect of time of saving.
At last; shown in Fig. 5 B; cover a protective seam 70 on screen layer 64 and bridging structure 62; the destruction that the protection assembly is not subjected to water in air gas and oxygen, protective seam 70 can comprise inorganic material, for example; silicon nitride (silicon nitride), monox (silicon oxide) and silicon oxynitride (silicon oxynitride); organic material, for example, other material that is fit to of acrylic resin (acrylic resin).The material of protective seam 70 also will be packed in the space 66, to protect better contact panel 1.The utility model contact panel can add liquid crystal display layer (LCD) and other optical module (not shown) in addition on protective seam; the utility model can be applicable in the various contact panels; use the contact panel of two plate bases such as tradition; form conductive shaft and conductive unit on the first substrate, second substrate (cover glass) is covered on the first substrate and the plane of touch-control is provided.Also can only use a plate base in addition, the one side of substrate provides the plane of touch-control, forms conductive shaft and conductive unit on the another side of substrate, becomes the structure of touch-control module integrated (Touch on lens), saves cost and weight reduction.
It should be noted that, in the present embodiment, each first conductive shaft 20 is along first direction be arranged in parallel (for example being Y-axis), being connected in series the second conductive shaft 30 that forms by bridging structure 62 with each second conductive unit 32 is to be arranged in parallel along a second direction, it for example is X-axis, first direction and second direction are preferably orthogonal, but be not limited to this and can arrange according to actual demand, other screen layer 64 1 end ground connection, with the interference of other electronic packages of electrostatic screening, and then the function of raising contact panel degree of stability.
Compare prior art, the touch control panel device that the utility model provides and method for making are made screen layer and bridging structure simultaneously, therefore can reach the simplification processing procedure, and can keep out extraneous disturbance of electronic signal, improve the degree of stability of contact panel.
Hereinafter will implement the sample attitude for the difference of the capacitance type touch-control panel of the utility model and describe, and be simplified illustration, and below illustrate and describe in detail mainly for each embodiment difference, and no longer something in common is given unnecessary details.In addition, assembly system identical among each embodiment of the utility model indicates with identical label, is beneficial to check one against another between each embodiment.
Please refer to Fig. 6,7A and 7B, the second preferred embodiment of the present invention, identical with the first preferred embodiment, contact panel 2 includes substrate 10, substrate 10 is provided with a plurality of the first conductive shafts 20 and a plurality of the second conductive units 32, one insulation course 50 is covered on substrate 10, the first conductive shaft 20 and the second conductive unit 32, and exposed portions serve the second conductive unit 32, then forms simultaneously bridging structure 68 and screen layer 64.Contact panel 2 more comprises plural wires 40, is electrically connected with each first conductive shaft 20 of part and the second conductive unit 32.Be with the first preferred embodiment difference of the present invention: in the first preferred embodiment, bridging structure 68 is bridge-type structures, and a bridging structure 68 connects adjacent two the second conductive units 32 simultaneously; And in the present embodiment, bridging structure 68 is long strip type structures, and a bridging structure 68 connects a plurality of the second conductive units 32 simultaneously, and forms a plurality of the second conductive shafts 30.The top view of present embodiment bridging structure 68 and screen layer 64 is shown in Fig. 7 A, and bridging structure 68 is long strip type, 64 encirclement of conductively-closed layer on every side, screen layer one end ground connection.Another of the present invention's the second preferred embodiment implemented aspect shown in Fig. 7 B, bridging structure 68 is all long strip type with screen layer 64, be arranged parallel to each other, and this enforcement aspect comprises that more a ground wire 72 is to connect each screen layer 64, the other end ground connection of ground wire 72 reaches the electrostatic screening effect.Compared with the first preferred embodiment, traverse shaft is the long strip type structure, is easier on the processing procedure make, and further reaches the function of simplifying processing procedure, and assembly material used in the present embodiment is identical with the first preferred embodiment, does not repeat them here.
Please refer to Fig. 8, the utility model the 3rd preferred embodiment, be with the first embodiment difference, with the processing procedure of substrate more than 10 conversely, that is to say, contact panel 3 has a substrate 10, form first afterwards bridging structure 62 and screen layer 64 on substrate 10, then middle phase septal space 66 covers an insulation course 50, at least expose part bridging structure 62, then form a plurality of the first conductive shafts 20 and a plurality of the second conductive units 32, it should be noted that when forming the second conductive unit 32, the second conductive unit 32 can be by the hole 52 on the insulation course 50, touch the bridging structure 62 of below, that is to say, per two the second conductive units 32 can be by bridging structure 62 electrical links, and each each other conducting of the second conductive unit 32, serial connection becomes the second conductive shaft.Cover again at last layer protective layer 70, finish the contact panel of the utility model the 3rd preferred embodiment.Similarly, present embodiment is the utility model the second embodiment capable of being combined also, bridging structure 62 is made into a long strip type structure, and be electrically connected simultaneously a plurality of the second conductive units 32, the contact panel of present embodiment also can be applicable on the multiple different product, described identical with the first preferred embodiment, certainly also comprise the structure applications of touch-control module integrated (Touch on lens).
In above-described embodiment of the utility model, substrate 10 materials can be selected from glass, acryl (PMMA), Polyvinylchloride (PVC), polypropylene (PP), polyethylene terephthalate (PET), PEN (PEN), polycarbonate (PC), the transparent materials such as polystyrene (PS), but be not limited to this, the material of the first conductive shaft 20 and the second conductive unit 32 and wire 40 can comprise various transparent conductive materials, for example, tin indium oxide (indium tin oxide, ITO), indium zinc oxide (indium zinc oxide, IZO), cadmium tin (cadmium tin oxide, CTO), aluminum zinc oxide (aluminum zinc oxide, AZO), indium oxide zinc-tin (indium tin zinc oxide, ITZO), zinc paste (zinc oxide), cadmium oxide (cadmium oxide), hafnia (hafnium oxide, HfO), indium oxide gallium zinc (indium gallium zinc oxide, InGaZnO), indium oxide gallium zinc-magnesium (indium gallium zinc magnesium oxide, InGaZnMgO), indium oxide gallium magnesium (indium gallium magnesium oxide, InGaMgO), indium oxide gallium aluminium (indium gallium aluminum oxide, InGaAlO), Graphene (Graphene), nano-silver thread (Ag nanowire) or CNT (Carbon nanotubes, referred to as CNT) etc., but be not limited to this.
Will be understood that, contact panel of the present utility model is not limited with the described structure of above-described embodiment or method, as long as meet: the first conductive shaft and the second conductive shaft are positioned at same layer, bridging structure and screen layer are located on other one deck, and bridging structure is identical with polymeric barrier layer materials and thickness, or bridging structure and screen layer are to make simultaneously, all belong to the scope that the utility model is contained.
The above only is preferred embodiment of the present utility model, and all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (10)
1. contact panel comprises:
A plurality of first conductive shafts and a plurality of the second conductive unit;
One insulation course is covered on this first conductive shaft and the second conductive unit, exposes at least this second conductive unit of part;
A plurality of bridging structures and a screen layer are covered on this insulation course jointly, and this bridging structure is electrically connected with this second conductive unit of part, and the material of this screen layer and this bridging structure is identical and formed by same processing procedure.
2. contact panel as claimed in claim 1 is characterized in that more comprising a substrate, and this first conductive shaft and the second conductive unit are positioned on this substrate.
3. contact panel as claimed in claim 1 is characterized in that more comprising plural wires, is electrically connected this first conductive shaft and the second conductive unit.
4. contact panel as claimed in claim 1 is characterized in that more comprising a protective seam, is covered on this bridging structure and this screen layer.
5. contact panel as claimed in claim 1 it is characterized in that this screen layer and this bridging structure are to be positioned at layer, and thickness is identical.
6. contact panel as claimed in claim 1 is characterized in that this screen layer and this bridging structure material comprise transparent conductive material.
7. contact panel as claimed in claim 6 is characterized in that this transparent conductive material is tin indium oxide, indium zinc oxide, cadmium tin, aluminum zinc oxide, indium oxide zinc-tin, zinc paste, cadmium oxide, hafnia, indium oxide gallium zinc, indium oxide gallium zinc-magnesium, indium oxide gallium magnesium, indium oxide gallium aluminium, Graphene or nano-silver thread, CNT.
8. contact panel as claimed in claim 1 is characterized in that this screen layer is looped around around this bridging structure.
9. contact panel as claimed in claim 1 is characterized in that this screen layer and this bridging structure are arranged parallel to each other.
10. contact panel as claimed in claim 1 is characterized in that this bridging structure electrically separates each other with this screen layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220218820 CN202838273U (en) | 2012-05-16 | 2012-05-16 | Touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220218820 CN202838273U (en) | 2012-05-16 | 2012-05-16 | Touch panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202838273U true CN202838273U (en) | 2013-03-27 |
Family
ID=47949929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220218820 Expired - Lifetime CN202838273U (en) | 2012-05-16 | 2012-05-16 | Touch panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202838273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013170703A1 (en) * | 2012-05-16 | 2013-11-21 | 宸鸿科技(厦门)有限公司 | Touch panel and fabrication method therefor |
-
2012
- 2012-05-16 CN CN 201220218820 patent/CN202838273U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013170703A1 (en) * | 2012-05-16 | 2013-11-21 | 宸鸿科技(厦门)有限公司 | Touch panel and fabrication method therefor |
| CN103425301A (en) * | 2012-05-16 | 2013-12-04 | 宸鸿科技(厦门)有限公司 | Touch panel and production method thereof |
| CN103425301B (en) * | 2012-05-16 | 2016-10-05 | 宸鸿科技(厦门)有限公司 | Contact panel and preparation method thereof |
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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 |
|
| CX01 | Expiry of patent term |