CN203179571U - Transparent conducting film - Google Patents
Transparent conducting film Download PDFInfo
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- CN203179571U CN203179571U CN 201320148703 CN201320148703U CN203179571U CN 203179571 U CN203179571 U CN 203179571U CN 201320148703 CN201320148703 CN 201320148703 CN 201320148703 U CN201320148703 U CN 201320148703U CN 203179571 U CN203179571 U CN 203179571U
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- lead
- wire
- groove
- conducting material
- electric conducting
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Abstract
The utility model relates to a transparent conducting film. The conducting film comprises a transparent substrate or the transparent substrate and a polymer layer. The polymer layer is arranged on the substrate. A graphical latticed groove is arranged on a surface of the substrate or the polymer layer. A conductive material is filled in the latticed groove so as to form an induction area. A periphery of the induction area is printed with a lead. The lead is electrically connected with the conductive material in the latticed groove. By using the transparent conducting film, the groove is filled with the conductive material so that the induction area is formed; the lead is formed through a printing mode and is electrically connected with the conductive material in the groove so that a yield of the lead of the transparent conducting film is high.
Description
Technical field
The utility model relates to the conducting film field, particularly relates to a kind of nesa coating.
Background technology
Nesa coating is to have satisfactory electrical conductivity, and has a kind of film of high transmission rate at visible light wave range.Nesa coating has been widely used in fields such as flat panel display, photovoltaic device, contact panel and electromagnetic shielding at present, has extremely vast market space.
ITO is dominating the market of nesa coating always.But in such as most of practical applications such as touch-screens, often need multiple working procedures such as exposure, video picture, etching and cleaning that nesa coating is carried out graphically, namely form fixing conductive region and insulating regions according to graphic designs at substrate surface.Compare, use print process directly to form metal grill in the appointed area of base material, can save patterned technical process, have plurality of advantages such as low pollution, low cost.Its grid line is the conductivity good metal, and is light tight, and line width is below the resolution of human eye; The zone of no lines is transmission region.By the width that changes lines and the resistance of surface side and the light transmittance that mesh shape can be controlled nesa coating within the specific limits.
In the conducting film of traditional printing technology preparation, the mesh-density of position transducer induction zone and lead district is different, and the induction zone grid cycle is big, and mesh-density is bigger, and the grid cycle of lead-in wire is little, and grid is closeer; Causing going between in process of production, appearance is bad easily in the zone, influences electric conductivity, adhesive force etc.
The utility model content
Based on this, be necessary to propose a kind of electric conductivity and good nesa coating of adhesive force of lead-in wire.
A kind of nesa coating, comprise transparent substrates or transparent substrates and polymeric layer, described polymer layer is located in the described substrate, on described substrate or the described polymeric layer surface latticed groove is arranged graphically, be filled with electric conducting material in the described latticed groove to form induction region, the periphery of described induction region also is printed with lead-in wire, and described lead-in wire is electrically connected with electric conducting material in the described latticed groove.
Among embodiment, described induction region is the viewing area therein, and the transmitance of described induction region is greater than 85%.
Among embodiment, described lead-in wire is by silk screen printing or inkjet printing shape therein.
Among embodiment, described lead-in wire is grid or line segment therein, and the width of line segment is 50 μ m～200 μ m, highly is 5 μ m～10 μ m, and described mesh width is 2～6 microns, and thickness is 5～10 microns.
Therein among embodiment, the grid that described groove forms is regular grid or irregular grid at random.
Therein among embodiment, described induction region edge is provided with the line segment that links to each other with electric conducting material electricity in the described groove, and the electric conducting material of described lead-in wire is electrically connected by the interior electric conducting material of described line segment and described groove; Or described lead-in wire is grid line, and described lead-in wire is electrically connected with electric conducting material in the described groove by node.
A kind of nesa coating, comprise transparent substrates, described substrate has opposite first and second surface, latticed groove is all graphically arranged on described first surface and the second surface, be filled with electric conducting material in the described latticed groove to form induction region, the periphery of described induction region also is printed with lead-in wire, and described lead-in wire is electrically connected with electric conducting material in the described latticed groove.
Among embodiment, described lead-in wire forms by silk screen printing or inkjet printing therein.
Therein among embodiment, described induction region edge is provided with the line segment that links to each other with electric conducting material electricity in the described groove, and the electric conducting material of described lead-in wire is electrically connected by the interior electric conducting material of described line segment and described groove; Or described lead-in wire is grid line, and described lead-in wire is electrically connected with electric conducting material in the described groove by node.
A kind of nesa coating, comprise transparent substrates or transparent substrates and polymeric layer, described polymer layer is located in the described substrate, on described substrate or the described polymeric layer surface latticed first groove is arranged graphically, be filled with electric conducting material to form first induction region in described latticed first groove, the periphery of described first induction region also is printed with first lead-in wire, and described first lead-in wire is electrically connected with electric conducting material in described latticed first groove; Also be provided with polymeric layer in addition on described first induction region and first lead-in wire, described polymeric layer surface graphics has latticed second groove, be filled with electric conducting material to form second induction region in described latticed second groove, the periphery of described second induction region also is printed with second lead-in wire, and described second lead-in wire is electrically connected with electric conducting material in described latticed second groove, and described second induction region and described first induction region are insulated from each other.
Among embodiment, described first lead-in wire and second lead-in wire are by silk screen printing or inkjet printing formation therein.
Therein among embodiment, described first, second induction region edge is respectively equipped with the line segment that links to each other with electric conducting material electricity in described first, second groove, and the electric conducting material of described first, second lead-in wire is electrically connected by the interior electric conducting material of described line segment and described first, second groove; Or described first, second lead-in wire is for grid line, and described first, second lead-in wire is electrically connected with electric conducting material in described first, second groove by node respectively.
Above-mentioned nesa coating forms induction region behind the filled conductive material in the groove, and lead-in wire system forms with the mode of printing and be electrically connected with electric conducting material in the groove, makes the yield of lead-in wire of conducting film than higher.
Description of drawings
Fig. 1 is the schematic diagram of the nesa coating of embodiment one;
Fig. 2 is the schematic diagram of latticed groove of the nesa coating of embodiment one;
Fig. 3 is the schematic diagram of the nesa coating of embodiment two;
Fig. 4 and Fig. 5 are the schematic diagram of the nesa coating of embodiment three;
Fig. 6 and Fig. 7 are the schematic diagram of the nesa coating of embodiment four;
Fig. 8 and Fig. 9 are the schematic perspective view of the nesa coating of an embodiment;
Figure 10 is the induction region of nesa coating of an embodiment and the schematic diagram of electrical connection of a kind of mode of lead-in wire;
Figure 11 is the induction region of nesa coating of an embodiment and the schematic diagram of electrical connection of the another kind of mode of lead-in wire.
Embodiment
Conventional art adopts print process once property formation induction region and lead-in wire in substrate, the design of nesa coating of following examples and preparation method thereof then is: patterning forms latticed groove in substrate earlier, then in groove the filled conductive material to form induction region, in the peripheral printed leads of induction region, the electric conducting material that goes between with in the groove is electrically connected at last.Like this, in the time of can avoiding taking in the conventional art print process to produce, because induction region is different with lead-in wire density, the not high defective of lead-in wire yield that causes, thereby electric conductivity and the adhesive force of assurance lead-in wire.
Embodiment one,
Please refer to Fig. 1 and Fig. 2, the nesa coating 100 of present embodiment comprises substrate 110 and is coated on the impression glue-line of first in the substrate 110 (polymeric layer) 120.
Substrate 110 have first surface 112 and with first surface 112 opposing second surface 114.The first impression glue-line 120 is coated on the first surface 112.On the first impression glue-line 120 latticed first groove 122 is arranged graphically, in other words, first groove 122 surrounds a lot of grids, and grid line is groove.Grid can be regular grid, as regular polygon, or is irregular grid at random.Be filled with electric conducting material 124 in first groove 122, thus, first groove, 122 regions namely form first induction region.
Be printed with first in the periphery of first induction region on the first impression glue-line 120 and go between 126, and first lead-in wire 126 is electrically connected with the electric conducting material 124 of filling in first groove 122.First lead-in wire 126 is grid or line segment, and the width of line segment is 50 μ m～200 μ m, highly is 5 μ m～10 μ m, and mesh width is 2～6 microns, and thickness is 5～10 microns.
In the present embodiment, the transparent substrates that substrate 110 can be made for transparent material as glass, also can be the flexible and transparent substrate, can be applied to the touch-control field.First induction region is used for the user and is touched to realize induction.First induction region is the viewing area, and wherein electric conducting material 124 regions are conduction region, and the grid that first groove 122 forms then is transparent area.The light transmittance of the light transmittance of first induction region and substrate 110 self and the area size of conduction region are relevant, and in the present embodiment, the light transmittance of first induction region is greater than 85%.
Nesa coating 100 preparation methods of present embodiment are as follows:
1, first surface 112 coatings first in substrate 110 impress glue-line 120.Can take means coating one deck UV(Ultraviolet Rays such as blade coating, spraying, ultraviolet) glue.
2, be patterned into latticed first groove 122 at the first impression glue-line 120.Utilize method such as etching to be patterned into lattice at the first impression glue-line 120, the sideline of grid is first groove 122.
3, filled conductive material 124 in first groove 122 is to form first induction region.For example can utilize blade coating technology filled conductive material 124 in first groove 122, as the Nano Silver ink, sintering then is to form conduction region in first groove 122.Also can take the method for vacuum sputtering or chemical plating, the first impression glue-line 120 be metallized, to form conduction region.
4, at peripheral printing first lead-in wire 126 of first induction region, and described first lead-in wire 126 is electrically connected with electric conducting material 124 in described first groove 122.Take the mode of silk screen printing or inkjet printing to form first lead-in wire 126, yield is than higher.
Embodiment two,
Please refer to Fig. 3, nesa coating 200 comprises transparent substrate 210.Substrate 210 have first surface 212 and with first surface 212 opposing second surface 214.Latticed first groove (not shown, identical with embodiment one set-up mode) is graphically arranged on the first surface 212.Be filled with electric conducting material 224 in first groove to form first induction region.Identical with embodiment one, first induction region is the viewing area, and transmitance is greater than 85%, and wherein electric conducting material 224 forms conduction region, and the grid that first groove surrounds then is transparent area.
Nesa coating 200 preparation methods of present embodiment are as follows:
1, patterning forms latticed first groove on the first surface 212 of substrate 210.Utilize methods such as etching directly to be patterned into lattice on first surface 212, the sideline of this grid is first groove.
2, filled conductive material 224 in first groove is to form first induction region.For example can utilize blade coating technology filled conductive material 224 in first groove, as the Nano Silver ink, sintering then is to form conduction region in first groove.
3, at peripheral printing first lead-in wire 226 of first induction region, and described first lead-in wire 226 is electrically connected with electric conducting material 224 in described first groove.Take the mode of silk screen printing or inkjet printing to form first lead-in wire 226, yield is than higher.A kind of conducting film of single-surface single-layer is provided thus.
Embodiment three,
Please refer to Fig. 4 and Fig. 5, nesa coating 300 comprises transparent substrate 310.Substrate 310 have first surface 312 and with first surface 312 opposing second surface 314.
Latticed first groove (not shown, identical with embodiment one set-up mode) is graphically arranged on the first surface 312.Be filled with electric conducting material 324 in first groove to form first induction region.First induction region is the viewing area, and transmitance is greater than 85%, and wherein electric conducting material 324 forms conduction region, and the grid that first groove surrounds then is transparent area.First surface 312 is printed with first lead-in wire 326 in the periphery of first induction region, and first lead-in wire 326 is electrically connected with the electric conducting material 324 of filling in first groove.
Latticed second groove (not shown, identical with embodiment one set-up mode) is graphically arranged on the second surface 314.Be filled with second electric conducting material 334 in second groove to form second induction region.Second induction region also is the viewing area, and transmitance is greater than 85%, and wherein second electric conducting material 334 forms conduction region, and the grid that second groove surrounds then is transparent area.Second surface 314 is printed with second lead-in wire 336 in the periphery of second induction region, and second lead-in wire 336 is electrically connected with second electric conducting material 334 of filling in second groove.First lead-in wire, 326 and second lead-in wire 336 is grid or line segment, and the width of line segment is 50 μ m～200 μ m, highly is 5 μ m～10 μ m, and mesh width is 2～6 microns, and thickness is 5～10 microns.
Nesa coating 300 preparation methods of present embodiment are as follows:
1, patterning forms latticed first groove on the first surface 312 of substrate 310.
2, filled conductive material 324 in first groove is to form first induction region.
3, at peripheral printing first lead-in wire 326 of first induction region, and described first lead-in wire 326 is electrically connected with electric conducting material 324 in described first groove.Take the mode of silk screen printing or inkjet printing to form first lead-in wire 326, yield is than higher.
4, with reference to above-mentioned steps, form second groove at second surface 314, and fill second electric conducting material 334, print second lead-in wire 336 at last.A kind of conducting film of two-sided individual layer is provided thus.
Embodiment four,
Please refer to Fig. 6 and Fig. 7, the nesa coating 400 of present embodiment comprises transparent substrates 410, the first impression glue-line 420, the second impression glue-line 430.
The second impression glue-line 430 is arranged on the first impression glue-line 420, and latticed second groove (not shown, identical with embodiment one set-up mode) is graphically arranged on it.Be filled with second electric conducting material 434 in second groove, to form second induction region.The periphery of second induction region is printed with second lead-in wire 436, and first lead-in wire 436 is electrically connected with second electric conducting material 434 of filling in second groove.In addition, second induction region and first induction region are insulated from each other.Thus, formed the conducting film of single-surface double-layer, when being applied to the touch-control field, can realize monolithic conducting film support multi-point touch, and the thickness of touching control has been lower.
In the present embodiment, the light transmittance of first induction region and second induction region is all greater than 85%.First lead-in wire, 426 and second lead-in wire 436 is grid or line segment, and the width of line segment is 50 μ m～200 μ m, highly is 5 μ m～10 μ m, and mesh width is 2～6 microns, and thickness is 5～10 microns.
Nesa coating 400 preparation methods of present embodiment are as follows:
1, first surface 412 coatings first in substrate 410 impress glue-line 420.
2, be patterned into latticed first groove at the first impression glue-line 420.
3, filled conductive material 424 in first groove is to form first induction region.
4, at peripheral printing first lead-in wire 426 of first induction region, and described first lead-in wire 426 is electrically connected with electric conducting material 424 in described first groove.Take the mode of silk screen printing or inkjet printing to form first lead-in wire 426, yield is than higher.
5, on the first impression glue-line 420, coat the second impression glue-line 430.
6, be patterned into latticed second groove at the second impression glue-line 430.
7, in second groove, fill second electric conducting material 434, to form second induction region.
8, at peripheral printing second lead-in wire 436 of second induction region, and described second lead-in wire 436 is electrically connected with second electric conducting material 434 in described second groove.Take the mode of silk screen printing or inkjet printing to form second lead-in wire 436, yield is than higher.
To sum up, in the nesa coating and preparation method of above-described embodiment, induction region and lead-in wire are not that one-step print forms, and need not to consider the density issue of induction region during the lead-in wire printing, lead-in wire yield height.
Below in conjunction with a specific embodiment, the mode that induction region and lead-in wire are electrically connected is described.
Please refer to Fig. 8 and Fig. 9, the nesa coating 600 of present embodiment comprises transparent substrates 610.First lead-in wire 630 that is formed with first induction region 620 on two facing surfaces of transparent substrates 610 respectively and is electrically connected with first induction region 620, first lead-in wire 650 that reaches second induction region 640 and be electrically connected with second induction region 640.Nesa coating 600 is the two-sided conducting films of an individual layer.By previous embodiment one to embodiment four as can be known, on the nesa coating 600 polymeric layer can also be set, above-mentioned first, second induction region, and first, second lead-in wire can also be arranged on the polymeric layer.
Please refer to Figure 10, is example with first induction region 620 and first lead-in wire 630.First induction region 620 forms by filled conductive material in first groove 660, and first groove 660 is the grid line of first induction region.Electric connection mode is: first induction region, 620 edges are provided with the line segment 670 that contains electric conducting material.Line segment 670 is electrically connected mutually with electric conducting material in first groove 660.Line segment 670 can take following mode to form: form the groove of linearity simultaneously at first induction region, 620 edges when patterning first groove 660, then the filled conductive material.
Please refer to Figure 11, is example with second induction region 640 and second lead-in wire 650.Second induction region 640 forms by filled conductive material in second groove 680, and second groove 680 is the grid line of second induction region 640.Second induction zone 650 is printed as latticed, has grid line.Electric connection mode is: the grid line of second lead-in wire 650 is connected by node 690 with the grid line of second induction region 640.Node 690 can arrange a plurality of.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (12)
1. nesa coating, comprise transparent substrates or transparent substrates and polymeric layer, described polymer layer is located in the described substrate, it is characterized in that, on described substrate or the described polymeric layer surface latticed groove is arranged graphically, be filled with electric conducting material in the described latticed groove to form induction region, the periphery of described induction region also is printed with lead-in wire, and described lead-in wire is electrically connected with electric conducting material in the described latticed groove.
2. nesa coating according to claim 1 is characterized in that, described induction region is the viewing area, and the transmitance of described induction region is greater than 85%.
3. nesa coating according to claim 1 is characterized in that, described lead-in wire is by silk screen printing or inkjet printing shape.
4. nesa coating according to claim 1 is characterized in that, described lead-in wire is grid or line segment, and the width of line segment is 50 μ m～200 μ m, highly is 5 μ m～10 μ m, and described mesh width is 2～6 microns, and thickness is 5～10 microns.
5. according to the described nesa coating of arbitrary claim in the claim 1 to 4, it is characterized in that the grid that described groove forms is regular grid or irregular grid at random.
6. according to the described nesa coating of arbitrary claim in the claim 1 to 4, it is characterized in that, described induction region edge is provided with the line segment that links to each other with electric conducting material electricity in the described groove, and the electric conducting material of described lead-in wire is electrically connected by the interior electric conducting material of described line segment and described groove; Or described lead-in wire is grid line, and described lead-in wire is electrically connected with electric conducting material in the described groove by node.
7. nesa coating, comprise transparent substrates, it is characterized in that, described substrate has opposite first and second surface, latticed groove is all graphically arranged on described first surface and the second surface, be filled with electric conducting material in the described latticed groove to form induction region, the periphery of described induction region also is printed with lead-in wire, and described lead-in wire is electrically connected with electric conducting material in the described latticed groove.
8. nesa coating according to claim 7 is characterized in that, described lead-in wire forms by silk screen printing or inkjet printing.
9. according to claim 7 or 8 described nesa coatings, it is characterized in that, described induction region edge is provided with the line segment that links to each other with electric conducting material electricity in the described groove, and the electric conducting material of described lead-in wire is electrically connected by the interior electric conducting material of described line segment and described groove; Or described lead-in wire is grid line, and described lead-in wire is electrically connected with electric conducting material in the described groove by node.
10. nesa coating, comprise transparent substrates or transparent substrates and polymeric layer, described polymer layer is located in the described substrate, it is characterized in that, on described substrate or the described polymeric layer surface latticed first groove is arranged graphically, be filled with electric conducting material in described latticed first groove forming first induction region, the periphery of described first induction region also is printed with first lead-in wire, and described first lead-in wire is electrically connected with electric conducting material in described latticed first groove; Also be provided with polymeric layer in addition on described first induction region and first lead-in wire, described polymeric layer surface graphics has latticed second groove, be filled with electric conducting material to form second induction region in described latticed second groove, the periphery of described second induction region also is printed with second lead-in wire, and described second lead-in wire is electrically connected with electric conducting material in described latticed second groove, and described second induction region and described first induction region are insulated from each other.
11. nesa coating according to claim 10 is characterized in that, described first lead-in wire and second lead-in wire form by silk screen printing or inkjet printing.
12. according to claim 10 or 11 described nesa coatings, it is characterized in that, described first, second induction region edge is respectively equipped with the line segment that links to each other with electric conducting material electricity in described first, second groove, and the electric conducting material of described first, second lead-in wire is electrically connected by the interior electric conducting material of described line segment and described first, second groove; Or described first, second lead-in wire is for grid line, and described first, second lead-in wire is electrically connected with electric conducting material in described first, second groove by node respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320148703 CN203179571U (en) | 2013-03-28 | 2013-03-28 | Transparent conducting film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320148703 CN203179571U (en) | 2013-03-28 | 2013-03-28 | Transparent conducting film |
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| CN203179571U true CN203179571U (en) | 2013-09-04 |
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| CN 201320148703 Expired - Lifetime CN203179571U (en) | 2013-03-28 | 2013-03-28 | Transparent conducting film |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545021A (en) * | 2013-11-06 | 2014-01-29 | 北京印刷学院 | Metal grid type transparent conducting thin film and manufacturing method thereof |
| WO2014153898A1 (en) * | 2013-03-28 | 2014-10-02 | 南昌欧菲光科技有限公司 | Transparent conducting film and preparation method therefor |
| US9392700B2 (en) | 2013-03-28 | 2016-07-12 | Nanchang O-Film Tech. Co., Ltd. | Transparent conductive film and preparation method thereof |
| CN110544551A (en) * | 2018-05-29 | 2019-12-06 | 昇印光电（昆山）股份有限公司 | Conductive film and preparation method |
| CN111370163A (en) * | 2018-12-25 | 2020-07-03 | 昇印光电（昆山）股份有限公司 | Conductive film |
-
2013
- 2013-03-28 CN CN 201320148703 patent/CN203179571U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014153898A1 (en) * | 2013-03-28 | 2014-10-02 | 南昌欧菲光科技有限公司 | Transparent conducting film and preparation method therefor |
| US9392700B2 (en) | 2013-03-28 | 2016-07-12 | Nanchang O-Film Tech. Co., Ltd. | Transparent conductive film and preparation method thereof |
| CN103545021A (en) * | 2013-11-06 | 2014-01-29 | 北京印刷学院 | Metal grid type transparent conducting thin film and manufacturing method thereof |
| CN103545021B (en) * | 2013-11-06 | 2016-06-29 | 北京印刷学院 | A kind of metal grid type transparent conductive film and preparation method thereof |
| CN110544551A (en) * | 2018-05-29 | 2019-12-06 | 昇印光电（昆山）股份有限公司 | Conductive film and preparation method |
| CN110544551B (en) * | 2018-05-29 | 2021-05-11 | 昇印光电（昆山）股份有限公司 | Conductive film and preparation method |
| US11443873B2 (en) | 2018-05-29 | 2022-09-13 | Shine Optoelectronics (Kunshan) Co., Ltd | Conductive film and manufacturing method thereof |
| CN111370163A (en) * | 2018-12-25 | 2020-07-03 | 昇印光电（昆山）股份有限公司 | Conductive film |
| CN111370163B (en) * | 2018-12-25 | 2021-09-14 | 昇印光电（昆山）股份有限公司 | Conductive film |
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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: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee before: Nanchang OFilm Tech. Co.,Ltd. |
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Granted publication date: 20130904 |
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