CN204369792U - A kind of nesa coating, electrically conductive ink and contact panel - Google Patents
A kind of nesa coating, electrically conductive ink and contact panel Download PDFInfo
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- CN204369792U CN204369792U CN201420474107.5U CN201420474107U CN204369792U CN 204369792 U CN204369792 U CN 204369792U CN 201420474107 U CN201420474107 U CN 201420474107U CN 204369792 U CN204369792 U CN 204369792U
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- nesa coating
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- conductive layer
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Abstract
The utility model provides a kind of nesa coating, and described nesa coating comprises: transparency carrier; Medium layer, is stackedly arranged on described transparency carrier; Conductive layer is embedded in described medium layer, and described conductive layer is metal grill, and described conductive layer is sintered by the electrically conductive ink containing metallics and dark-coloured additive particles and forms, and described dark-coloured additive particles is for covering the light of described metallics reflection.The utility model nesa coating has good visual effect.The utility model additionally provides a kind of electrically conductive ink for making described conductive layer and comprises the contact panel of described nesa coating.
Description
Technical field
The utility model relates to technical field of touch control, particularly relates to a kind of nesa coating, electrically conductive ink and contact panel.
Background technology
Nesa coating has satisfactory electrical conductivity, and have a kind of conductive film of high transmission rate at visible light wave range.At present, nesa coating has been widely used in the fields such as flat pannel display, photovoltaic device, touch-screen and electromagnetic shielding, has the extremely wide market space.The material preparing conducting film is generally tin indium oxide (Indium Tin Oxide, ITO), but in most of practical applications such as such as contact panel, the preparation of conducting film needs to carry out graphically ITO to form fixing conductive region and insulating regions at substrate surface.And often needing the multiple working procedures such as exposure, video picture, etching and cleaning in the patterned process of ITO, preparation process is comparatively complicated.
In contrast, utilize be attached to substrate surface the conductive grid be made up of superfine tinsel as conductive layer time, due to the patterning of the grid of conduction can be completed while forming conductive grid, the technological process of patterning can be saved, preparation process is comparatively simple, and has the plurality of advantages such as low stain, low cost.Usually, the mesh lines of conductive layer is formed by the opaque metallic substance of physics of resistivity lower than ITO.Due to mesh lines narrower in width, and do not have the region of mesh lines to be the region that physics is transparent, there is lower sheet resistivity and visually transparent conductive layer so can produce.The concrete manufacture method of conductive layer is generally the groove structure first impressing out patterning on impression glue surface, then to filled conductive ink (such as silver ink) in groove, and electrically conductive ink is through oversintering thus make the tinsel be filled in groove.Because metal has certain gloss, therefore obtained conducting film due to the reflecting effect of metal, thus makes conducting film easily be visually seen, thus affects the visual effect of conducting film.
Utility model content
The purpose of this utility model is to provide a kind of nesa coating, and it is not easy to be visually seen, and has good visual effect.
First aspect, the utility model provides a kind of nesa coating, and described nesa coating comprises:
Transparency carrier;
Medium layer, is stackedly arranged on described transparency carrier;
Conductive layer is embedded in described medium layer, and described conductive layer is metal grill, and described conductive layer is sintered by the electrically conductive ink containing metallics and dark-coloured additive particles and forms, and described dark-coloured additive particles is for covering the light of described metallics reflection.
In the first embodiment of first aspect, described dark-coloured additive particles comprises at least one in the carbon dust of submicron order, iron powder, ferric oxide or cupric oxide.
In the second embodiment of first aspect, the particle diameter of described dark-coloured additive particles is 50 nanometer ~ 500 nanometers.
In conjunction with the first of first aspect and first aspect in the second embodiment, in the third embodiment of first aspect, the scope of the weight percent of described dark-coloured additive particles is 10% ~ 30%, and the scope of the weight percent of described metallics is 40% ~ 75%.
In the 4th kind of embodiment of first aspect, described metal grill is made up of multiple grid cell, and described grid cell is at least one in regular hexagon, rectangle, rhombus or random grid shape.
In the 5th kind of embodiment of first aspect, the material of described metallics comprises at least one in gold and silver, copper, aluminium, zinc, and the particle diameter of described metallics is less than 1 micron.
In the 6th kind of embodiment of first aspect, the material of described medium layer is thermoplastic polymer, one of thermosetting polymer or UV polymkeric substance, and the thickness of described medium layer is 1 micron ~ 30 microns.
In the 7th kind of embodiment on the one hand, described medium layer offers latticed groove away from the side of described transparency carrier, described electrically conductive ink also comprises tackiness agent, the electrically conductive ink of described metallics, described dark-coloured additive particles and tackiness agent composition is filled in described latticed groove, described electrically conductive ink forms described conductive layer through sintering curing, the thickness of described conductive layer is not more than the degree of depth of described latticed groove.
In the 8th kind of embodiment of first aspect, the live width of described metal grill is less than 10 microns, and the distance between two adjacent grids is 10 microns ~ 800 microns.
Compared to prior art, the electrically conductive ink of the described conductive layer of the formation of the utility model in nesa coating comprises dark-coloured additive particles to cover the light of described metallics reflection, thus reduce the reflective gloss of the metallics in described conductive layer, thus it is visually out observed that described nesa coating is not easy, and then improve the visual effect of described nesa coating.
Second aspect, the utility model provides a kind of electrically conductive ink, and described electrically conductive ink is for making conductive layer.Described electrically conductive ink comprises metallics, dark-coloured additive particles, macromolecule resin, solvent and dispersion agent, the scope of the weight percent of described metallics is 40% ~ 75%, the scope of the weight percent of described dark-coloured additive is 10% ~ 30%, the scope 10% ~ 40% of the weight percent of described macromolecule resin, the scope of the weight percent of described solvent is 0.1% ~ 10%, the scope of the weight percent of described dispersion agent is 0.1% ~ 5%, and described metallics, described dark-coloured additive particles, described macromolecule resin, the weight percent sum of described solvent and described dispersion agent is 100%.
In the first embodiment of second aspect, described dark colored particles additive comprises at least one in the carbon dust of submicron order, iron powder, ferric oxide or cupric oxide.
In the second embodiment of second aspect, the particle diameter of described dark-coloured additive particles is 50 nanometer ~ 500 nanometers.
Compared to prior art, owing to the addition of dark-coloured additive particles in the electrically conductive ink that the utility model provides, thus the light of described metallics reflection can be covered, thus reduce the reflective gloss of the metallics in the rear conductive layer produced of sintering, thus it is visually out observed that produced described nesa coating is not easy, and then improve the visual effect of described nesa coating.
The third aspect, the utility model provides a kind of contact panel, and described contact panel comprises at least one conducting film as provided in each embodiment above-mentioned, and described metal grill is divided into the touch control electrode pattern of mutually insulated.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The perspective exploded view of the nesa coating that Fig. 1 provides for the utility model one embodiment.
The diagrammatic cross-section of the nesa coating that Fig. 2 provides for the utility model one embodiment.
The close-up schematic view of the nesa coating that Fig. 3 provides for the utility model first embodiment.
The close-up schematic view of the nesa coating that Fig. 4 provides for the utility model second embodiment.
The close-up schematic view of the nesa coating that Fig. 5 provides for the utility model the 3rd embodiment.
The close-up schematic view of the nesa coating that Fig. 6 provides for the utility model the 4th embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1 and Fig. 2, the perspective exploded view of the nesa coating that Fig. 1 provides for the utility model one embodiment.The diagrammatic cross-section of the nesa coating that Fig. 2 provides for the utility model one embodiment.Described nesa coating 1 comprises transparency carrier 10, medium layer 20 and conductive layer 30.Described medium layer 20 is stacked to be arranged on described transparency carrier 10.Described conductive layer 30 is embedded in described medium layer 20, and described conductive layer 30 is metal grill.The electro-conductive material forming described conductive layer 30 is sintered by the electrically conductive ink comprising metallics and dark-coloured additive particles and forms.Described dark-coloured additive particles is for covering the light of described metallics reflection.
The material of described transparency carrier 10 is the optically transparent materials such as glass, polymethylmethacrylate (PMMA) or polyethylene terephthalate (PET).The thickness of described transparency carrier 10 not only has different impacts to its transparency, thus affects the light transmission of described nesa coating 1.Preferably, the thickness of described transparency carrier 10 is 0.02 millimeter ~ 2.5 millimeters, and more preferably, the thickness of described transparency carrier 10 is 0.05 millimeter ~ 0.5 millimeter, to ensure the transparency of described transparency carrier 10, and then ensure the light transmission of described nesa coating 1.
Described medium layer 20 is stacked to be arranged on described transparency carrier 10, and the material light transmission of described medium layer 20 is good, and the such as material of described medium layer 20 is thermoplastic polymer, one of thermosetting polymer or UV cure polymer.Described medium layer 20 is coated on described transparency carrier 10 by described thermoplastic polymer or described thermosetting polymer or described UV cure polymer and is formed after solidification.Preferably, the thickness of described medium layer 20 is 1 micron ~ 30 microns, and more preferably, the thickness of described medium layer 20 is 5 microns ~ 10 microns, not affect the light transmission of the entirety of described nesa coating 1.
Described medium layer 20 offers latticed groove (not shown) away from the side of described transparency carrier 10, and described electrically conductive ink also comprises tackiness agent.The electrically conductive ink of described metallics, described dark-coloured additive particles and tackiness agent composition is filled in described latticed groove.The thickness of the described electrically conductive ink of filling in described latticed groove is 0.1 micron ~ 10 microns, and preferably, the thickness of the described electrically conductive ink of filling in described latticed groove is 0.5 micron ~ 5 microns.Described electrically conductive ink forms described conductive layer 30 through sintering curing.The thickness of described conductive layer 30 is not more than the degree of depth of described latticed groove.
Described metal grill is made up of multiple grid cell.As shown in Figures 3 to 6, described grid cell is at least one in regular hexagon, rectangle, rhombus or random grid shape.For the grid cell in Fig. 3 for regular hexagon, grid cell is that regular hexagon refers to that each grid cell of described conductive layer 30 is regular hexagon.Described grid cell is rectangle, the situation of rhombus is orthohexagonal situation with described grid cell, does not repeat them here.And described grid cell is random grid shape refers to, the grid cell forming described conductive layer 30 can comprise regular hexagon, rectangle, rhombus and other irregular shapes.
Because metal grid lines is light tight, the live width reducing described metal grid lines and the distance increased between two adjacent net rulings, can increase glazed area, thus improve the transmittance of described nesa coating 1.But the live width reducing metal grid lines can cause the resistance of described conductive layer 30 to increase.Therefore, the transmittance of comprehensive conductive layer 30 and the factor of resistance two aspect are considered, preferably, the live width of described metal grill is less than 10 microns.More preferably, the scope of the live width of described metal grill is 0.5 micron ~ 3 microns.Distance between adjacent two mesh lines is 10 microns ~ 800 microns.
The described material for the formation of the metallics in the electrically conductive ink of conductive layer 30 comprises at least one in gold (AU), silver (Ag), copper (Cu), aluminium (Al), the contour reflective metal of zinc (Zn).The particle diameter of described metallics is less than 1 micron.Compared to tin indium oxide (ITO), the price of gold (AU), silver (Ag), copper (Cu), aluminium (Al), zinc (Zn) is lower, is conducive to the price reducing described nesa coating 1.In one embodiment, the material of described metallics is nano silver particles, and the particle diameter of described nano silver particles is 100 nanometers.
Described dark-coloured additive particles comprises at least one in the carbon dust of submicron order, iron powder, ferric oxide or cupric oxide.The particle diameter of described dark-coloured additive particles is 50 nanometer ~ 500 nanometers.Described dark-coloured additive particles can cover the light that described metallics reflects.Owing to the addition of dark-coloured additive particles in described conductive layer 30, thus it is visually out observed that described nesa coating 1 is not easy, and then improve the visual effect of described nesa coating 1.
In one embodiment, the scope of weight percent hundred ratio of described dark-coloured additive particles is 10% ~ 30%, the scope of the weight percent of described metallics is 40% ~ 75%, and the scope of the scope of the weight percent of described dark-coloured additive particles and the weight percent of described metallics is less than or equal to 100%.
Compared to prior art, the electrically conductive ink of the described conductive layer of the formation in the utility model nesa coating 1 30 comprises dark-coloured additive particles to cover the light of described metallics reflection, thus reduce the reflective gloss of the metallics in described conductive layer 30, thus it is visually out observed to make described nesa coating 1 be not easy, and then improve the visual effect of described nesa coating 1.
The utility model additionally provides a kind of electrically conductive ink, and described electrically conductive ink is for making described conductive layer 30.Described electrically conductive ink comprises metallics, dark-coloured additive particles, macromolecule resin, solvent and dispersion agent.The scope of the weight percent of described dark-coloured additive is 10% ~ 30%, the scope 10% ~ 40% of the weight percent of described macromolecule resin, the scope of the weight percent of described solvent is 0.1% ~ 10%, the scope of the weight percent of described dispersion agent is 0.1% ~ 5%, and the weight percent sum of described metallics, described dark-coloured additive particles, described macromolecule resin, described solvent and described dispersion agent is 100%.
The material of described metallics comprises at least one in gold (AU), silver (Ag), copper (Cu), aluminium (Al), the contour reflective metal of zinc (Zn).The particle diameter of described metallics is less than 1 micron.
Described dark-coloured additive particles comprises at least one in the carbon dust of submicron order, iron powder, ferric oxide or cupric oxide.The particle diameter of described dark-coloured additive particles is 50 nanometer ~ 500 nanometers.Described dark-coloured additive particles can cover the light that described metallics reflects.
Described macromolecule resin is at least one in vibrin, urethane resin, acrylate, epoxy resin or vinyl ether.
Described solvent is one or more in ethanol, propyl carbinol, ethylene glycol-ether, butylacetate, pimelinketone, glycidyl ether.
Described dispersion agent is at least one in polyoxyethylene glycol, polyvinylpyrrolidone, polyacrylic acid, polyvinyl alcohol.
The content of the solid matter in described electrically conductive ink is 50% ~ 90%, and the heat curing temperature of described electrically conductive ink is 100 DEG C ~ 180 DEG C.The set time of described electrically conductive ink is relevant to the heat curing temperature of described electrically conductive ink, is 10 minutes ~ 90 minutes.Contraction ratio before and after described conductive ink layer solidification is less than 5%.
Owing to the addition of dark-coloured additive particles in the electrically conductive ink that the utility model provides, thus the light of described metallics reflection can be covered, thus reduce the reflective gloss of the metallics in the rear conductive layer 30 produced of sintering, thus it is visually out observed to make produced described nesa coating 1 be not easy, and then improve the visual effect of described nesa coating 1.
The utility model additionally provides a kind of contact panel, and this contact panel comprises at least one conducting film 1.If shown in Fig. 3-6, for the conducting film 1 of contact panel when forming wire netting trellis conductive layer 30, at metal grill specific position broken string, thus metal grill is divided into the touch control electrode pattern of mutually insulated.
Above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not depart from the spirit and scope of technical solutions of the utility model.
Claims (8)
1. a nesa coating, is characterized in that, described nesa coating comprises:
Transparency carrier;
Medium layer, is stackedly arranged on described transparency carrier;
Conductive layer is embedded in described medium layer, described conductive layer is metal grill, described conductive layer is formed by the electrically conductive ink sintering curing containing metallics and dark-coloured additive particles, described dark-coloured additive particles is for covering the light of described metallics reflection, wherein, the material of described metallics comprises at least one in gold and silver, copper, aluminium, zinc, and described dark-coloured additive particles comprises at least one in the carbon dust of submicron order, iron powder, ferric oxide or cupric oxide.
2. nesa coating as claimed in claim 1, it is characterized in that, the particle diameter of described dark-coloured additive particles is 50 nanometer ~ 500 nanometers.
3. nesa coating as claimed in claim 1, it is characterized in that, described metal grill is made up of multiple grid cell, and described grid cell is at least one in regular hexagon, rectangle, rhombus or random grid shape.
4. nesa coating as claimed in claim 1, it is characterized in that, the particle diameter of described metallics is less than 1 micron.
5. nesa coating as claimed in claim 1, it is characterized in that, the material of described medium layer is thermoplastic polymer, one of thermosetting polymer or UV polymkeric substance, and the thickness of described medium layer is 1 micron ~ 30 microns.
6. nesa coating as claimed in claim 1, it is characterized in that, described medium layer offers latticed groove away from the side of described transparency carrier, described electrically conductive ink also comprises tackiness agent, the electrically conductive ink of described metallics, described dark-coloured additive particles and tackiness agent composition is filled in described latticed groove, described electrically conductive ink forms described conductive layer through sintering curing, the thickness of described conductive layer is not more than the degree of depth of described latticed groove.
7. nesa coating as claimed in claim 1, it is characterized in that, the live width of described metal grill is less than 10 microns, and the distance between two adjacent grids is 10 microns ~ 800 microns.
8. a contact panel, is characterized in that, described contact panel comprises at least one conducting film as described in claim 1-7, and described metal grill is divided into the touch control electrode pattern of mutually insulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420474107.5U CN204369792U (en) | 2014-08-20 | 2014-08-20 | A kind of nesa coating, electrically conductive ink and contact panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420474107.5U CN204369792U (en) | 2014-08-20 | 2014-08-20 | A kind of nesa coating, electrically conductive ink and contact panel |
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| CN204369792U true CN204369792U (en) | 2015-06-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105426012A (en) * | 2015-12-23 | 2016-03-23 | 东莞市纳利光学材料有限公司 | Touch screen provided with UV cured type transparent conducting thin film and preparing method thereof |
| CN111197153A (en) * | 2018-11-16 | 2020-05-26 | 南昌欧菲光科技有限公司 | Preparation method of metal grid and metal grid sheet |
-
2014
- 2014-08-20 CN CN201420474107.5U patent/CN204369792U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105426012A (en) * | 2015-12-23 | 2016-03-23 | 东莞市纳利光学材料有限公司 | Touch screen provided with UV cured type transparent conducting thin film and preparing method thereof |
| CN105426012B (en) * | 2015-12-23 | 2018-10-26 | 东莞市纳利光学材料有限公司 | A kind of touch screen and preparation method thereof with UV curing type transparent conductive films |
| CN111197153A (en) * | 2018-11-16 | 2020-05-26 | 南昌欧菲光科技有限公司 | Preparation method of metal grid and metal grid sheet |
| CN111197153B (en) * | 2018-11-16 | 2023-01-10 | 安徽精卓光显技术有限责任公司 | Preparation method of metal grid and metal grid sheet |
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Address after: Guangming New District Gongming street Shenzhen city Guangdong province 518106 white pine road o-film Technology Park HUAFA Road Patentee after: Ophiguang Group Co.,Ltd. Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: Guangming New District Gongming street Shenzhen city Guangdong province 518106 white pine road o-film Technology Park HUAFA Road Patentee before: OFilm Tech Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. Address after: Guangming New District Gongming street Shenzhen city Guangdong province 518106 white pine road o-film Technology Park HUAFA Road Patentee after: OFilm Tech Co.,Ltd. Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: Guangming New District Gongming street Shenzhen city Guangdong province 518106 white pine road o-film Technology Park HUAFA Road Patentee before: Shenzhen OFilm Tech Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210421 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Patentee after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: Guangming New District Gongming street Shenzhen city Guangdong province 518106 white pine road o-film Technology Park HUAFA Road Patentee before: Ophiguang Group Co.,Ltd. Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |