CN103377748A - Conductive glass and preparation method thereof - Google Patents
Conductive glass and preparation method thereof Download PDFInfo
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- CN103377748A CN103377748A CN201210116217XA CN201210116217A CN103377748A CN 103377748 A CN103377748 A CN 103377748A CN 201210116217X A CN201210116217X A CN 201210116217XA CN 201210116217 A CN201210116217 A CN 201210116217A CN 103377748 A CN103377748 A CN 103377748A
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- wire netting
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Abstract
Provided is conductive glass including a glass base material and a metal mesh laid on the glass base material. The metal mesh is provided with a plurality of holes arranged in an array. By laying the metal mesh on the glass base material, the conductive glass can expose and develop the metal mesh for a second time as needed while in use so that a pattern induction layer is formed on the glass base material so as to be applied to a touch screen. Indium oxide tin is avoided to be used for the conductive glass, and thus cost of the conductive glass is low. The invention also provides a preparation method of the conductive glass.
Description
Technical field
The present invention relates to a kind of electro-conductive glass and preparation method thereof.
Background technology
Capacitance touch screen is high with its transparency, multiple point touching, and the advantages in the majority such as life-span length in recent years, more and more are subject to the favor in market.At present, usually adopt vacuum evaporation or magnetron sputtering mode that transparent conductive material tin indium oxide (ITO) is coated on and form electro-conductive glass on the glass 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 so that the cost of electro-conductive glass is higher.
Summary of the invention
Based on this, be necessary to provide a kind of lower-cost electro-conductive glass and preparation method thereof.
A kind of electro-conductive glass comprises glass baseplate and is layed in wire netting on the described glass baseplate that described wire netting has the hole of a plurality of array arrangements.
Among embodiment, described hole is square or rhombus therein, and described wire netting comprises a plurality of the first metal wires that are parallel to each other and a plurality of the second metal wire that is parallel to each other, and described the first metal wire and described the second metal wire intersect and form described hole.
Among embodiment, the hole of described wire netting is to be the regular hexagon that honeycomb is arranged therein.
Therein among embodiment, the hole of described wire netting is triangle, described wire netting comprises a plurality of the first metal wires that are parallel to each other, a plurality of the second metal wire that is parallel to each other and a plurality of the 3rd metal wire that is parallel to each other, the second metal wire and the first metal wire tilt to intersect the diamond hole that forms a plurality of array arrangements, thereby the 3rd metal wire end points relative with two of diamond hole intersects diamond hole are cut apart the described leg-of-mutton hole of formation.
Among embodiment, the surface of described wire netting is formed with anti-oxidant coating therein, and the material of described anti-oxidant coating is gold, platinum, nickel or nickel billon.
A kind of preparation method of electro-conductive glass may further comprise the steps:
Form metal level at glass baseplate; And
Utilize the exposure imaging method that described metal level is processed grid and be layed in the wire netting of described glass baseplate with formation, described wire netting has the hole of a plurality of array arrangements.
Among embodiment, the surface of described wire netting is formed with anti-oxidant coating therein, and the material of described anti-oxidant coating is gold, platinum, nickel or nickel billon.
Therein among embodiment, the surface of described glass baseplate also form have anti-dazzle, sclerosis, the functional layer of anti-reflection or atomizing functions, described metal level is formed at described functional layer surface.
Among embodiment, described hole is square or rhombus therein, and described wire netting comprises a plurality of the first metal wires that are parallel to each other and a plurality of the second metal wire that is parallel to each other, and described the first metal wire and described the second metal wire intersect and form described hole.
Among embodiment, the hole of described wire netting is to be the regular hexagon that honeycomb is arranged therein.
Above-mentioned electro-conductive glass and preparation method thereof, by laying wire netting on the glass baseplate surface, thereby can be as required during use with wire netting again exposure imaging form the pattern inductive layer and be applied in the touch screen at glass baseplate, electro-conductive glass avoids using tin indium oxide, thereby the cost of electro-conductive glass is lower.
Description of drawings
Fig. 1 is the structural representation of the electro-conductive glass of an execution mode;
Fig. 2 is the structural representation of the wire netting of electro-conductive glass among Fig. 1;
Fig. 3 is the structural representation of the wire netting of electro-conductive glass in another execution mode;
Fig. 4 is the structural representation of the wire netting of electro-conductive glass in another execution mode;
Fig. 5 is the structural representation of the wire netting of electro-conductive glass in another execution mode;
Fig. 6 is preparation method's the flow chart of the electro-conductive glass of an execution mode.
Embodiment
For the ease of understanding the present invention, the below is described more fully the present invention with reference to relevant drawings.Provided first-selected embodiment of the present invention in the accompanying drawing.But the present invention can realize with many different forms, be not limited to embodiment described herein.On the contrary, providing the purpose of these embodiment is to make to disclosure of the present invention more thoroughly comprehensively.
Need to prove that when element is called as " being fixedly arranged on " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be to be directly connected to another element or may to have simultaneously centering elements.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
Unless otherwise defined, the employed all technology of this paper are identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.Employed term is not intended to be restriction the present invention just in order to describe the purpose of specific embodiment in specification of the present invention herein.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
See also Fig. 1, the electro-conductive glass 10 of an execution mode comprises glass baseplate 110 and is layed in wire netting 120 on the glass baseplate 110.
The material of glass baseplate 110 is inorganic silicate glass or polymethyl methacrylate glass (PMMA).
Glass baseplate 110 is roughly sheet.The surface of glass baseplate 110 also be formed with have anti-dazzle, sclerosis, the functional layer (not shown) 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 formed by the high-molecular coating coating with sclerosis function; Functional layer with anti-reflection function is titanium dioxide coating, magnesium fluoride coating or calcirm-fluoride coating.
Functional layer can optionally be arranged at the relative surface of a side surface or both sides of glass baseplate 110.Preferably, functional layer is formed at glass baseplate 110 away from a side surface of wire netting 110, and namely wire netting 110 and functional layer are layed in respectively two relative surfaces of glass baseplate 110.Need to prove that when the surface of glass baseplate 110 had functional layer, wire netting 120 was formed at the surface of functional layer.
Please consult simultaneously Fig. 2, wire netting 120 is formed at the surface of glass baseplate 110.Wire netting 120 has the hole 121 of a plurality of array arrangements.Need to prove that when the surface of glass baseplate 110 had functional layer, wire netting 120 was formed at the surface of functional layer.
In the present embodiment, the shape of a plurality of holes 121 and size are all identical.In the present embodiment, hole 121 is square, a plurality of hole 121 array arrangements.Wire netting 120 comprises that a plurality of the first metal wires 123 that are parallel to each other and a plurality of the second metal wire 125, the first metal wires 123 that are parallel to each other and the second metal wire 125 intersect vertically and forms the foursquare hole 321 of a plurality of array arrangements.
In the present embodiment, the material of wire netting 120 is copper, silver, molybdenum aluminium molybdenum alloys or corronil.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 the inert metals such as gold, platinum, nickel or nickel billon.
The thickness of wire netting 120 is more than or equal to 45nm and less than or equal to 40000nm.
The netting twine of wire netting 120 (i.e. the first metal wire 123 and the second metal wire 125) width D is more than or equal to 45nm and less than 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 affect the resolution of touch screen 10.Preferably, the netting twine width of wire netting 120 is more than or equal to 45nm and less than 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 electro-conductive glass 10 then
1And the transmitance T of glass baseplate
2Between have following relation: T
1=T
2* K.Can calculate according to the design optical transmittance of electro-conductive glass 10 thus the aperture opening ratio of the wire netting 120 that satisfies condition.
Below describe as square as example take 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 forms 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 the present embodiment, K=L
2/ (L+D)
2
In the above-mentioned electro-conductive glass 10, lay wire netting 120 on glass baseplate 110 surfaces, thereby can be as required during use with wire netting again exposure imaging form the pattern inductive layers and be applied in the touch screen at glass baseplate 110, electro-conductive glass 10 avoids using tin indium oxide, thereby the cost of electro-conductive glass 10 is lower; Simultaneously, the transmitance of wire netting 120 is higher; The square resistance of electro-conductive glass 10 is lower, can reach 1 ohm/mouthful; The transmitance of electro-conductive glass 10 can be controlled by the aperture opening ratio of control wire netting 120 and the transmitance of glass baseplate 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 the first metal wires 323 that are parallel to each other and a plurality of the second metal wire 325, the first metal wires 323 that are parallel to each other and the second metal wire 325 intersect and the first metal wire 323 and the second metal wire 325 are formed slopely the hole 321 of the rhombus of a plurality of array arrangements mutually.
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 the first metal wires 423 that are parallel to each other, a plurality of the second metal wire 425 that is parallel to each other and a plurality of the 3rd metal wire 427 that is parallel to each other, the second metal wire 425 and the first metal wire 423 tilt to intersect the diamond hole that forms a plurality of array arrangements, thereby the 3rd metal wire 427 end points relative with two of diamond hole intersects the leg-of-mutton hole 421 that diamond hole is divided into array distribution.
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 simultaneously Fig. 1, Fig. 2 and Fig. 6, the preparation method of above-mentioned electro-conductive glass 10 may further comprise the steps:
Step S101, at glass baseplate 110 forming metal layer on surfaces.
The material of glass baseplate 110 is inorganic silicate glass or polymethyl methacrylate glass (PMMA).
The thickness of metal level is more than or equal to 45nm and less than or equal to 40000nm.
The surface of glass baseplate 110 also can form as required have anti-dazzle, sclerosis, the functional layer (not shown) of anti-reflection or atomizing functions.Functional layer can optionally be arranged at the relative surface of a side surface or both sides of glass baseplate 110.
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 formed by the high-molecular coating coating with sclerosis function; Titanium dioxide coating, magnesium fluoride coating or the calcirm-fluoride coating of functional layer for being formed by evaporation or magnetron sputtering with anti-reflection function.
In the present embodiment, metal level is formed by vacuum evaporation, chemical vapour deposition (CVD) or sol-gal process.The material of metal level is copper, silver, molybdenum aluminium molybdenum alloys or corronil.Need to prove that when the surface of glass baseplate 110 had functional layer, metal level was formed at the surface of functional layer.
In order to prevent the metal level oxidation, can also form anti oxidation layer at surface vacuum evaporation or the magnetron sputtering of metal level, the material of anti oxidation layer is the 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 wire netting 120 on the glass baseplate 110 to form wire netting 120 with formation, wire netting 120 has the hole 121 of a plurality of array arrangements.
In the present embodiment, the shape of a plurality of holes 121 and size are all identical.The hole of wire netting 120 can be 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 less than 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 affect the resolution of touch screen 10.Preferably, the netting twine width of wire netting 120 is more than or equal to 45nm and less than or equal to 5000nm.
The aperture opening ratio K of wire netting 120 and the transmitance T of electro-conductive glass 10
1And the transmitance T of glass baseplate
2Between have following relation: K=T
1/ T
2
Above-mentioned electro-conductive glass 10 is laid wire netting 120 on glass baseplate 110 surfaces, thereby can be as required during use with wire netting 120 again exposure imaging form the pattern inductive layers and be applied in the touch screen at glass baseplate 110, electro-conductive glass 10 avoids using tin indium oxide, thereby the cost of electro-conductive glass 10 is lower, and can prepare by the method for exposure imaging wire netting 120, technique is simple, and efficient is higher.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an electro-conductive glass comprises glass baseplate, it is characterized in that, described electro-conductive glass also comprises the wire netting that is layed on the described glass baseplate, and described wire netting has the hole of a plurality of array arrangements.
2. electro-conductive glass according to claim 1, it is characterized in that, described hole is square or rhombus, and described wire netting comprises a plurality of the first metal wires that are parallel to each other and a plurality of the second metal wire that is parallel to each other, and described the first metal wire and described the second metal wire intersect the formation described hole.
3. electro-conductive glass according to claim 1 is characterized in that, the hole of described wire netting is to be the regular hexagon that honeycomb is arranged.
4. electro-conductive glass according to claim 1, it is characterized in that, the hole of described wire netting is triangle, described wire netting comprises a plurality of the first metal wires that are parallel to each other, a plurality of the second metal wire that is parallel to each other and a plurality of the 3rd metal wire that is parallel to each other, the second metal wire and the first metal wire tilt to intersect the diamond hole that forms a plurality of array arrangements, thereby the 3rd metal wire end points relative with two of diamond hole intersects diamond hole are cut apart the described leg-of-mutton hole of formation.
5. electro-conductive glass according to claim 1 is characterized in that, the surface of described wire netting is formed with anti-oxidant coating, and the material of described anti-oxidant coating is gold, platinum, nickel or nickel billon.
6. the preparation method of an electro-conductive glass is characterized in that, may further comprise the steps:
Form metal level at glass baseplate; And
Utilize the exposure imaging method that described metal level is processed grid and be layed in the wire netting of described glass baseplate with formation, described wire netting has the hole of a plurality of array arrangements.
7. the preparation method of electro-conductive glass according to claim 5 is characterized in that, the surface of described wire netting is formed with anti-oxidant coating, and the material of described anti-oxidant coating is gold, platinum, nickel or nickel billon.
8. the preparation method of electro-conductive glass according to claim 5 is characterized in that, the surface of described glass baseplate also form have anti-dazzle, sclerosis, the functional layer of anti-reflection or atomizing functions, described metal level is formed at described functional layer surface.
9. the preparation method of electro-conductive glass according to claim 5, it is characterized in that, described hole is square or rhombus, described wire netting comprises a plurality of the first metal wires that are parallel to each other and a plurality of the second metal wire that is parallel to each other, and described the first metal wire and described the second metal wire intersect the formation described hole.
10. the preparation method of electro-conductive glass according to claim 5 is characterized in that, the hole of described wire netting is to be the regular hexagon that honeycomb is arranged.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210116217.XA CN103377748B (en) | 2012-04-19 | 2012-04-19 | Electro-conductive glass and preparation method thereof |
| JP2014510653A JP2014513845A (en) | 2012-04-19 | 2012-12-21 | Conductive component and preparation method thereof |
| PCT/CN2012/087195 WO2013155854A1 (en) | 2012-04-19 | 2012-12-21 | Electrically conductive component and manufacturing method therefor |
| US14/000,152 US20140216803A1 (en) | 2012-04-19 | 2012-12-21 | Conductive component and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210116217.XA CN103377748B (en) | 2012-04-19 | 2012-04-19 | Electro-conductive glass and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103377748A true CN103377748A (en) | 2013-10-30 |
| CN103377748B CN103377748B (en) | 2016-11-09 |
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|---|---|---|---|
| CN201210116217.XA Active CN103377748B (en) | 2012-04-19 | 2012-04-19 | Electro-conductive glass and preparation method thereof |
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| CN (1) | CN103377748B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104297988A (en) * | 2014-10-21 | 2015-01-21 | 合肥鑫晟光电科技有限公司 | Display device |
| CN105573531A (en) * | 2014-10-03 | 2016-05-11 | 群创光电股份有限公司 | Touch panel |
| CN107274970A (en) * | 2017-06-19 | 2017-10-20 | 合肥市惠科精密模具有限公司 | A kind of TFT LCD electro-conductive glass |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105573531A (en) * | 2014-10-03 | 2016-05-11 | 群创光电股份有限公司 | Touch panel |
| 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 |
| CN107274970A (en) * | 2017-06-19 | 2017-10-20 | 合肥市惠科精密模具有限公司 | A kind of TFT LCD electro-conductive glass |
Also Published As
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|---|---|
| CN103377748B (en) | 2016-11-09 |
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Effective date of registration: 20210219 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: 518106 oufeiguang Science Park, HUAFA section of Songbai highway, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Ophiguang Group Co.,Ltd. |