CN202632793U - Conductive film - Google Patents
Conductive film Download PDFInfo
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- CN202632793U CN202632793U CN 201220168042 CN201220168042U CN202632793U CN 202632793 U CN202632793 U CN 202632793U CN 201220168042 CN201220168042 CN 201220168042 CN 201220168042 U CN201220168042 U CN 201220168042U CN 202632793 U CN202632793 U CN 202632793U
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- conductive film
- wire
- wire netting
- metal
- hole
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Abstract
The utility model relates to a conductive film comprising a plastic film base material and two metal mesh layers, wherein the metal mesh layers are laid on the plastic film base material; the plastic film base material is provided with a first surface and a second surface which is relative to the first surface; one metal mesh layer is laid on the first surface of the plastic film base material; the other metal mesh layer is laid on the second surface of the plastic film base material; and the metal mesh layers are provided with a plurality of holes which are configured in a plurality of arrays. The cost of the conductive film is lower.
Description
Technical field
The utility model relates to a kind of conductive film.
Background technology
Capacitance touch screen is high with its transparency, multiple point touching, and advantages in the majority such as life-span length in recent years, more and more receive the favor in market.At present, adopt vacuum evaporation or magnetron sputtering mode that transparent conductive material tin indium oxide (ITO) is coated on usually and form conductive film on the pet substrate to be applied to capacitance touch screen.
Yet phosphide element is a kind of rare earth element, and reserves are smaller in the Nature, and price comparison is expensive, thereby makes that the cost of conductive film is higher.
The utility model content
Based on this, be necessary to provide a kind of lower-cost conductive film.
A kind of conductive film; Comprise plastic film substrate and be layed in the double layer of metal net on the said plastic film substrate; Said plastic film substrate has first surface and reaches and said first surface opposing second surface; Wherein the layer of metal net is layed in the first surface of said plastic film substrate, and another layer wire netting is layed in the second surface of said plastic film substrate, and said wire netting has the hole of a plurality of array arrangements.
Among embodiment, described hole is a rhombus therein, and said wire netting comprises a plurality of first metal wires that are parallel to each other and a plurality of second metal wire that is parallel to each other, and said first metal wire and said second metal wire tilt to intersect to form described hole.
Therein among embodiment,, described hole is square, said wire netting comprises a plurality of first metal wires that are parallel to each other and a plurality of second metal wire that is parallel to each other, said first metal wire and said second metal wire formation described hole that intersects vertically.
Among embodiment, the hole of said wire netting is to be the regular hexagon that honeycomb is arranged therein.
Therein among embodiment; The hole of said wire netting is a triangle; Said wire netting comprises a plurality of first metal wires that are parallel to each other, a plurality of second metal wire that is parallel to each other and a plurality of the 3rd metal wire that is parallel to each other; Second metal wire and first metal wire tilt to intersect the diamond hole that forms a plurality of array arrangements, thereby two relative end points of the 3rd metal wire and diamond hole intersect diamond hole are cut apart the said leg-of-mutton hole of formation.
Among embodiment, the surface of said wire netting is formed with anti-oxidant coating therein.
Therein among embodiment, the surface of said plastic film substrate also form have anti-dazzle, sclerosis, the functional layer of anti-reflection or atomizing functions.
Among embodiment, the netting twine width of said wire netting is more than or equal to 45nm and smaller or equal to 40000nm therein.
Among embodiment, said wire netting is formed by copper cash, silver-colored line, molybdenum aluminium molybdenum alloy line or corronil line therein.
Above-mentioned conductive film; Through laying wire netting on the plastic film substrate surface; Thereby can be as required during use with wire netting once more exposure imaging on plastic film substrate, form the pattern inductive layer and be applied in the touch screen; Conductive film avoids the use of tin indium oxide, thereby the cost of conductive film is lower.
Description of drawings
Fig. 1 is the structural representation of the conductive film of an execution mode;
Fig. 2 is the structural representation of the wire netting of conductive film among Fig. 1;
Fig. 3 is the structural representation of the wire netting of conductive film in another execution mode;
Fig. 4 is the structural representation of the wire netting of conductive film in another execution mode;
Fig. 5 is the structural representation of the wire netting of conductive film in another execution mode;
Fig. 6 is preparation method's the flow chart of the conductive film of an execution mode.
Embodiment
For the ease of understanding the utility model, will more comprehensively describe the utility model with reference to relevant drawings below.Provided the first-selected embodiment of the utility model in the accompanying drawing.But the utility model can be realized with many different forms, be not limited to embodiment described herein.On the contrary, provide the purpose of these embodiment be make the disclosure of the utility model comprehensively thorough more.
Need to prove, when element is called as " being fixedly arranged on " another element, it can be directly on another element or also can have element placed in the middle.When an element is considered to " connection " another element, it can be to be directly connected to another element or possibly to have element placed in the middle simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
Only if definition is arranged in addition, the employed all technology of this paper are identical with the implication of the those skilled in the art's common sense that belongs to the utility model with scientific terminology.Among this paper in the specification of the utility model employed term be not intended to be restriction the utility model just in order to describe the purpose of concrete embodiment.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
See also Fig. 1, the conductive film 10 of an execution mode comprises plastic film substrate 110 and wire netting 120.
Wherein, have the functional layer of anti-dazzle or atomizing functions, formed by the applying coating with anti-dazzle or atomizing functions, there is metal oxide particle the coating the inside; Functional layer with sclerosis function is applied by the high-molecular coating with sclerosis function and forms; Functional layer with anti-reflection function is titanium dioxide coating, magnesium fluoride coating or calcirm-fluoride coating.
Please consult Fig. 2 simultaneously, wire netting 120 has the hole 121 of a plurality of array arrangements.In this execution mode, the shape of a plurality of holes 121 and size are all identical.In this execution mode, hole 121 is a square, a plurality of hole 121 array arrangements.Wire netting 120 comprises that a plurality of first metal wires 123 that are parallel to each other and a plurality of second metal wire, 125, the first metal wires 123 that are parallel to each other and second metal wire 125 intersect vertically and forms the foursquare hole 321 of a plurality of array arrangements.
In this execution mode, the netting twine of wire netting 120 is that first metal wire 123 and second metal wire 125 are copper cash, silver-colored line, molybdenum aluminium molybdenum alloy line or corronil line.In order to prevent wire netting 120 oxidations, can also form anti oxidation layer on the surface of wire netting 120.The material of anti oxidation layer is inert metals such as gold, platinum, nickel or nickel billon.
The thickness of wire netting 120 is more than or equal to 45nm and smaller or equal to 40000nm.
The netting twine width D of wire netting 120 is more than or equal to 45nm and smaller or equal to 40000nm.Need to prove that the width D of the netting twine of wire netting 120 can be influential to the resolution of touch screen 10, when the netting twine width D of wire netting 120 was excessive, naked eyes can be seen netting twine, thereby can influence the resolution of touch screen 10.Preferably, the netting twine width of wire netting 120 is more than or equal to 45nm and smaller or equal to 5000nm.
In order to guarantee the sensitiveness of 10 pairs of signals of touch screen, the transmitance T of the aperture opening ratio K of wire netting 120 and conductive film 10 then
1And the transmitance T of plastic film substrate
2Between have following relation: T
1=T
2* K.Can calculate the aperture opening ratio of the wire netting 120 that satisfies condition thus according to the design optical transmittance of conductive film 10.
Below be that square is that example describes with the hole 121 of wire netting 120.The netting twine width of wire netting 120 is D, and the A/F of the hole 121 of wire netting 120 is L.It is that the structure cell of D+L is formed that wire netting 120 can be regarded as by a plurality of length of sides, and the area of the aperture opening ratio K=hole 121 of wire netting 120 is divided by the area of structure cell.Specifically in this execution mode, K=L
2/ (L+D)
2
In the above-mentioned conductive film 10; Lay wire netting 120 on plastic film substrate 110 surfaces; Thereby can be as required during use with wire netting once more exposure imaging on plastic film substrate 110, form the pattern inductive layer and be applied in the touch screen; Conductive film 10 avoids the use of tin indium oxide, thereby the cost of conductive film 10 is lower; Simultaneously, the transmitance of wire netting is higher, and the pliability of conductive film 10 is better; The square resistance of conductive film 10 is lower, can reach 1 ohm/; The transmitance of conductive film 10 can be controlled through the aperture opening ratio of control wire netting 120 and the transmitance of plastic film substrate 110, and is comparatively flexible.
Need to prove that the hole 121 of wire netting 120 is not limited to square shown in Figure 2, also can be polygon.
See also Fig. 3, the hole 321 of the wire netting 320 of another execution mode is the rhombus of array arrangement.Wire netting 320 comprises that a plurality of first metal wires 323 that are parallel to each other and a plurality of second metal wire, 325, the first metal wires 323 that are parallel to each other and second metal wire 325 intersect and first metal wire 323 and second metal wire 325 are formed slopely the hole 321 of the rhombus of a plurality of array arrangements each other.
See also Fig. 4, the hole 421 of the wire netting 420 of another execution mode is the triangle of array arrangement.Wire netting 420 comprises a plurality of first metal wire 423, a plurality of second metal wire 425 that is parallel to each other and a plurality of the 3rd metal wires 427 that are parallel to each other that are parallel to each other; Second metal wire 425 and first metal wire 423 tilt to intersect the diamond hole that forms a plurality of array arrangements, thus the 3rd metal wire 427 and the crossing leg-of-mutton hole 421 that diamond hole is divided into array distribution of two relative end points of diamond hole.
See also Fig. 5, the hole 521 of the wire netting 520 of another execution mode is for being the regular hexagon that honeycomb is arranged.
Please consult Fig. 1, Fig. 2 and Fig. 6 simultaneously, the preparation method of above-mentioned conductive film 10 may further comprise the steps:
Step S101, the first surface of plastic film substrate 110 112 and with first surface 112 opposing second surface 114 on all form metal level.
The material of plastic film substrate 110 is poly terephthalic acid class plastics (PET) or Merlon (PC).Also be formed with on the first surface 112 of plastic film substrate 110 and at least one in the second surface 114 have anti-dazzle, sclerosis, the functional layer (figure does not show) of anti-reflection or atomizing functions.
Wherein, have the functional layer of anti-dazzle or atomizing functions, formed by the applying coating with anti-dazzle or atomizing functions, there is metal oxide particle the coating the inside; Functional layer with sclerosis function is applied by the high-molecular coating with sclerosis function and forms; Titanium dioxide coating, magnesium fluoride coating or the calcirm-fluoride coating of functional layer with anti-reflection function for forming by vapor deposition or magnetron sputtering.
Metal level is total two-layer, and wherein the layer of metal layer is layed in the first surface 112 of plastic film substrate 110, and another layer metal level is layed in the second surface 114 of plastic film substrate 110.In this execution mode, metal level is formed by vacuum evaporation, chemical vapour deposition (CVD) or collosol and gel.The material of metal level is copper, silver, molybdenum aluminium molybdenum alloy or corronil.Need to prove that when being formed with functional layer on the first surface 112 of plastic film substrate 110 and the second surface 114, metal level is formed at the surface of functional layer.Metal layer thickness is more than or equal to 45nm and smaller or equal to 40000nm.
In order to prevent the metal level oxidation, can also form anti oxidation layer at the surface vacuum vapor deposition or the magnetron sputtering of metal level, the material of anti oxidation layer is inert metals such as gold, platinum, nickel or nickel billon.
Step S102, utilize the exposure imaging method that metal level is processed grid to be layed in the first surface 112 of plastic film substrate 110 and the wire netting 120 of second surface 114 to form wire netting 120 with formation, wire netting 120 has the hole 121 of a plurality of array arrangements.
In this execution mode, the shape of a plurality of holes 121 and size are all identical.The hole of wire netting 120 is square, rhombus, triangle or the regular hexagon of array arrangement.
The netting twine width D of wire netting 120 is more than or equal to 45nm and smaller or equal to 40000nm.Need to prove that the width D of the netting twine of wire netting 120 can be influential to the resolution of touch screen 10, when the netting twine width D of wire netting 120 was excessive, naked eyes can be seen netting twine, thereby can influence the resolution of touch screen 10.Preferably, the netting twine width of wire netting 120 is more than or equal to 45nm and smaller or equal to 5000nm.
The aperture opening ratio K of wire netting 120 and the transmitance T of conductive film 10
1And the transmitance T of plastic film substrate
2Between have following relation: K=T
1/ T
2
Above-mentioned conductive film 10 is laid wire netting 120 on plastic film substrate 110 surfaces; Thereby can be as required during use with wire netting 120 once more exposure imaging on plastic film substrate 110, form the pattern inductive layer and be applied in the touch screen; Conductive film 10 avoids the use of tin indium oxide, thereby the cost of conductive film 10 is lower, and can prepare wire netting 120 through the method for exposure imaging; Technology is simple, and efficient is higher.
The above embodiment has only expressed several kinds of execution modes of the 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 the protection range of the utility model.Therefore, the protection range of the utility model patent should be as the criterion with accompanying claims.
Claims (9)
1. conductive film; Comprise plastic film substrate, it is characterized in that said conductive film also comprises the double layer of metal net that is layed on the said plastic film substrate; Said plastic film substrate has first surface and reaches and said first surface opposing second surface; Wherein the layer of metal net is layed in the first surface of said plastic film substrate, and another layer wire netting is layed in the second surface of said plastic film substrate, and said wire netting has the hole of a plurality of array arrangements.
2. conductive film according to claim 1; It is characterized in that; Described hole is a rhombus, and said wire netting comprises a plurality of first metal wires that are parallel to each other and a plurality of second metal wire that is parallel to each other, and said first metal wire and said second metal wire tilt to intersect to form described hole.
3. conductive film according to claim 1; It is characterized in that; Described hole is square, and said wire netting comprises a plurality of first metal wires that are parallel to each other and a plurality of second metal wire that is parallel to each other, said first metal wire and said second metal wire formation described hole that intersects vertically.
4. conductive film according to claim 1 is characterized in that, the hole of said wire netting is to be the regular hexagon that honeycomb is arranged.
5. conductive film according to claim 1; It is characterized in that; The hole of said wire netting is a triangle; Said wire netting comprises a plurality of first metal wires that are parallel to each other, a plurality of second metal wire that is parallel to each other and a plurality of the 3rd metal wire that is parallel to each other, and second metal wire and first metal wire tilt to intersect the diamond hole that forms a plurality of array arrangements, thereby two relative end points of the 3rd metal wire and diamond hole intersect diamond hole is cut apart the said leg-of-mutton hole of formation.
6. conductive film according to claim 1 is characterized in that the surface of said wire netting is formed with anti-oxidant coating.
7. conductive film according to claim 1 is characterized in that, the surface of said plastic film substrate also form have anti-dazzle, sclerosis, the functional layer of anti-reflection or atomizing functions.
8. conductive film according to claim 1 is characterized in that, the netting twine width of said wire netting is more than or equal to 45nm and smaller or equal to 40000nm.
9. conductive film according to claim 1 is characterized in that, said wire netting is formed by copper cash, silver-colored line, molybdenum aluminium molybdenum alloy line or corronil line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220168042 CN202632793U (en) | 2012-04-19 | 2012-04-19 | Conductive film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220168042 CN202632793U (en) | 2012-04-19 | 2012-04-19 | Conductive film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202632793U true CN202632793U (en) | 2012-12-26 |
Family
ID=47385956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220168042 Expired - Lifetime CN202632793U (en) | 2012-04-19 | 2012-04-19 | Conductive film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202632793U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345331A (en) * | 2013-07-05 | 2013-10-09 | 南昌欧菲光显示技术有限公司 | Light-polarization light-filtering module and touch display screen |
| WO2013155855A1 (en) * | 2012-04-19 | 2013-10-24 | 深圳欧菲光科技股份有限公司 | Electrically conductive component and manufacturing method therefor |
| CN103377747A (en) * | 2012-04-19 | 2013-10-30 | 深圳欧菲光科技股份有限公司 | Conductive thin film and preparation method thereof |
| CN104297988A (en) * | 2014-10-21 | 2015-01-21 | 合肥鑫晟光电科技有限公司 | Display device |
| CN106547412A (en) * | 2015-11-13 | 2017-03-29 | 上海宏昊企业发展有限公司 | Self-capacitance mutual capacitance integrated touch screen |
| CN106557214A (en) * | 2015-11-13 | 2017-04-05 | 上海宏昊企业发展有限公司 | The capacitive touch screen of touch point gliding smoothing |
| CN112736403A (en) * | 2020-12-22 | 2021-04-30 | 上海卫星工程研究所 | Deployable double-layer hybrid spatial planar antenna |
-
2012
- 2012-04-19 CN CN 201220168042 patent/CN202632793U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013155855A1 (en) * | 2012-04-19 | 2013-10-24 | 深圳欧菲光科技股份有限公司 | Electrically conductive component and manufacturing method therefor |
| CN103377747A (en) * | 2012-04-19 | 2013-10-30 | 深圳欧菲光科技股份有限公司 | Conductive thin film and preparation method thereof |
| CN103377747B (en) * | 2012-04-19 | 2016-08-24 | 深圳欧菲光科技股份有限公司 | Conductive film and preparation method thereof |
| CN103345331A (en) * | 2013-07-05 | 2013-10-09 | 南昌欧菲光显示技术有限公司 | Light-polarization light-filtering module and touch display screen |
| CN104297988A (en) * | 2014-10-21 | 2015-01-21 | 合肥鑫晟光电科技有限公司 | Display device |
| US10168568B2 (en) | 2014-10-21 | 2019-01-01 | Boe Technology Group Co., Ltd. | Display device |
| CN106547412A (en) * | 2015-11-13 | 2017-03-29 | 上海宏昊企业发展有限公司 | Self-capacitance mutual capacitance integrated touch screen |
| CN106557214A (en) * | 2015-11-13 | 2017-04-05 | 上海宏昊企业发展有限公司 | The capacitive touch screen of touch point gliding smoothing |
| CN112736403A (en) * | 2020-12-22 | 2021-04-30 | 上海卫星工程研究所 | Deployable double-layer hybrid spatial planar antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
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. 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. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
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. Address before: Baoan District Gongming town of Shenzhen City, Guangdong province 518106 White Pine Road HUAFA Road Light Technology Park Patentee before: Shenzhen OFilm Tech Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| 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. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |
|
| CX01 | Expiry of patent term |