CN103123564A - Capacitive touch screen and manufacturing method thereof - Google Patents
Capacitive touch screen and manufacturing method thereof Download PDFInfo
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- CN103123564A CN103123564A CN2013100930858A CN201310093085A CN103123564A CN 103123564 A CN103123564 A CN 103123564A CN 2013100930858 A CN2013100930858 A CN 2013100930858A CN 201310093085 A CN201310093085 A CN 201310093085A CN 103123564 A CN103123564 A CN 103123564A
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Abstract
The invention relates to a capacitive touch screen and a manufacturing method thereof. The capacitive touch screen comprises at least one rigid transparent base plate, and is characterized in that at least one surface of each base plate is provided with an electrode arrangement area, each electrode arrangement area is provided with a plurality of grooves, conductive nano-powder is filled in the grooves, the conductive nano-powder in the grooves is connected to form conductive fine wires, and the conductive fine wires form inductive electrodes of the capacitive touch screen in a netted and tiled mode. The inductive electrodes of the capacitive touch screen are manufactured through the method that the grooves are arranged and the conductive nano-powder is embedded into the grooves to form the conductive fine wires, the method that film coating is carried out on the base plate at high temperature does not need to be adopted, and therefore the capacitive touch screen has high flexibility in material, structure and technological selection, and manufacturing cost of the capacitive touch screen is further reduced.
Description
Technical field
The present invention relates to touch-screen, relate in particular to a kind of capacitance touch screen and corresponding manufacture method.
Background technology
Capacitance touch screen is as a kind of efficient input media, have highly sensitive, touch plurality of advantages such as need not exerting oneself, easily realize multiple point touching, be used on the multiple consumption electronic products such as mobile phone, panel computer, notebook.
On structure, current capacitance touch screen generally comprises at least one transparent hard substrate, and be produced on induction electrode on substrate, these induction electrodes can be according to the matrix-style setting, also can adopt triangular design (reference is publication US4087625), can adopt single layer designs, also can adopt bilayer or Multi-layer design.In any case in order to guarantee light transmission, induction electrode all needs to adopt transparent conductive material, make as the film of tin indium oxide (ITO), zinc oxide aluminum (AZO).
yet, this transparent conductive material film generally need at high temperature deposit, thereby higher requirement has been proposed all the heat-resisting quantity of other retes on substrate and capacitance touch screen, for example, film for this transparent conductive material of deposition on substrate, need to adopt more resistant to elevated temperatures glass substrate, and can't use plastic base, and other retes on substrate, as organic coating, the mimeograph layer, its resistance to elevated temperatures is generally all relatively poor, need to make again after having made induction electrode, reduced thus capacitance touch screen at material, structure, flexibility ratio on process choice, make the cost of this capacitance touch screen be difficult to reduce.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of capacitance touch screen and manufacture method thereof, make the induction electrode of capacitance touch screen need not to make under high-temperature technology, thereby make capacitance touch screen have higher flexibility ratio on material, structure, process choice.The technical scheme that adopts is as follows:
A kind of capacitance touch screen, comprise at least one hard transparent substrate, it is characterized by: at least one surface of described substrate is provided with the arrangement of electrodes district, the arrangement of electrodes district is provided with many grooves, be filled with the lotion of conductive nano-particles in groove, the lotion of the conductive nano-particles in each groove is the company of knot and form the conduction fine rule mutually, and the conduction brush line is crossed the induction electrode that netted tiling mode consists of capacitance touch screen.
The making of above-mentioned induction electrode is owing to being that lotion by offering groove and embedding conductive nano-particles forms the conduction fine rule, do not need to adopt the method for carrying out the high temperature plated film on substrate to carry out, thereby make capacitance touch screen have higher flexibility ratio on material, structure, process choice, further reduce the manufacturing cost of capacitance touch screen.The resistance of fine rule of wherein conducting electricity can be regulated by the thickness of fine rule or the degree of depth of groove, in general, arrange the degree of depth of groove to such an extent that can reduce more greatly the resistance of conduction fine rule, and can not cause the raising of light-proofness, guarantee electric conductivity and the light transmission of induction electrode.
As a kind of preferred version, described substrate is plastic base, and described groove is directly molded on a surface of plastic base.Because substrate and groove can one-shot formings, thereby has the simple advantage of manufacture craft.Its corresponding manufacture method comprises the steps:
(1), adopt the method for injection mo(u)lding to form plastic base, and form groove simultaneously at least one surface of plastic base;
(2), apply the lotion of one deck conductive nano-particles on plastic base should the surface, make the lotion of conductive nano-particles be embedded in groove;
(3), remove the lotion of this lip-deep most of conductive nano-particles of plastic base, only stay the lotion of the partially conductive nano particle that embeds groove, the lotion that makes the partially conductive nano particle that embeds groove companys of knot mutually forms and conducts electricity fine rule.
As another kind of preferred version, described substrate is glass substrate, and described groove is the etching bath on glass baseplate surface.Adopt glass substrate, can be so that capacitance touch screen be more wear-resisting.Its corresponding manufacture method comprises the steps:
(1), apply one deck photosensitive resin layer at least one surface of glass substrate;
(2), form the hollow slots with linear by exposure, developing method on photosensitive resin layer;
(3), adopt glass etching liquid to carry out etching to glass substrate this surface under the protection of photosensitive resin layer, should form etching bath on the surface at glass substrate thus;
(4), take off photosensitive resin layer;
(5), should the surface apply the lotion of one deck conductive nano-particles at substrate, make the lotion of partially conductive nano particle embed in groove;
(6), remove glass substrate should the surface on the lotion of most of conductive nano-particles, only stay the lotion that embeds the partially conductive nano particle in groove, the lotion that makes the partially conductive nano particle that embeds groove companys of knot mutually forms and conducts electricity fine rule.
As another kind of preferred version, described substrate comprises glass substrate or plastic base, and is coated in the photosensitive resin layer on glass substrate or plastic base, and described groove is the hollow slots on photosensitive resin layer.Adopt this scheme, can save etched technique on glass substrate.Its corresponding manufacture method comprises the steps:
(1), apply one deck photosensitive resin layer at least one surface of glass substrate or plastic base;
(2), the method by exposure, development forms the hollow slots with linear on photosensitive resin layer;
(3), apply the lotion of one deck conductive nano-particles on photosensitive resin layer, make the lotion of partially conductive nano particle embed in groove;
(4), remove the lotion of the most of conductive nano-particles on photosensitive resin layer, only stay the lotion that embeds the partially conductive nano particle in groove, make the lotion that embeds the partially conductive nano particle in groove be interconnected to form the conduction fine rule.
As another kind of preferred version, described substrate comprises glass substrate or plastic base, and is coated in the photosensitive resin layer on glass substrate or plastic base, and described groove is the impression groove on photosensitive resin layer.Adopt a high-precision pressing mold, form impression on photosensitive resin layer, generally can further improve the precision of its groove.Its corresponding manufacture method comprises the steps:
(1), apply one deck photosensitive resin layer at least one surface of glass substrate or plastic base;
(2), adopt pressing mold and a photosensitive resin layer that is manufactured with in advance convex epirelief mutually to compress, formation impression groove on photosensitive resin layer;
(3), by irradiating ultraviolet light, photosensitive resin layer is solidified;
(4), remove pressing mold, the impression groove on described photosensitive resin layer is groove;
(5), apply the lotion of one deck conductive nano-particles on photosensitive resin layer, make the lotion of partially conductive nano particle embed in groove;
(6), remove the lotion of the most of conductive nano-particles on photosensitive resin layer, only stay the lotion that embeds the partially conductive nano particle in groove, make embed the partially conductive nano particle in groove lotion mutually companys of knot form and conduct electricity fine rule.
The lotion of above-mentioned conductive nano-particles can be the lotion of nano carbon particle, nano-metal particle (as nanogold particle, nano-Ag particles), as nano-sized carbon slurry, nanometer silver paste.
Arranging of above-mentioned induction electrode can be adopted single layer structure or double-decker.In double-decker, two surfaces of substrate are respectively equipped with along the first arrangement of electrodes district that first direction extends and the second arrangement of electrodes district of extending along second direction, all offer many grooves in the first arrangement of electrodes district and the second arrangement of electrodes district, form respectively the first induction electrode and the second induction electrode after the lotion of filled conductive nano particle in groove.In single layer structure, the triangular-shaped electrodes that can be provided with on a surface of substrate a plurality of complementations is arranged the district, arrange in the district in triangular-shaped electrodes and offer many grooves, in groove after the lotion of filled conductive nano particle, form complementary triangle induction electrode (sensing principle can with reference to publication US4087625); Can be also to be provided with the strip electrode layout district that many same directions are extended on a surface of substrate, and be arranged in each strip electrode and arrange that the block type electrode of district's one side arranges the district, strip electrode arranges that district and block type electrode layout Qu Shangjun offer many grooves, in groove after the lotion of filled conductive nano particle, each block type electrode arranges that the lotion of the conductive nano-particles in district's upper groove consists of the first induction electrode, and each strip shaped electric poles arranges that the lotion of the conductive nano-particles in district's upper groove consists of the second induction electrode.Adopt aforesaid way, no matter single layer structure or double-decker, all need not to adopt to put up a bridge to connect, and further reduces the complexity of production technology, further reduces manufacturing cost.
The present invention compared with prior art has following advantage:
The making of the induction electrode of capacitance touch screen of the present invention is owing to being that lotion by offering groove and embedding conductive nano-particles forms the conduction fine rule, do not need to adopt the method for carrying out the high temperature plated film on substrate to carry out, thereby make capacitance touch screen have higher flexibility ratio on material, structure, process choice, further reduce the manufacturing cost of capacitance touch screen.
Description of drawings
Fig. 1 is the structural representation of embodiment one capacitance touch screen;
Fig. 2 is the partial enlarged drawing of A part in Fig. 1;
Fig. 3 is the partial enlarged drawing of B part in Fig. 2;
Fig. 4 is along the sectional view of C-C in Fig. 3;
Fig. 5 a-Fig. 5 g is the schematic diagram of offering groove in embodiment one on glass substrate and forming the conduction fine rule;
Fig. 6 is the structural representation of embodiment two capacitance touch screens;
Fig. 7 is the partial enlarged drawing of D part in Fig. 6;
Fig. 8 is the external schematic diagram of perimeter circuit in the embodiment of the present invention two;
Fig. 9 is the schematic diagram of the reeded plastic base of injection moulding belt in embodiment two;
Figure 10 a-10c forms the schematic diagram of conduction fine rule in embodiment two;
Figure 11 is the structural representation of embodiment three capacitance touch screens;
Figure 12 is the local enlarged diagram of E part in Figure 11;
Figure 13 a-Figure 13 e is the schematic diagram that forms groove in embodiment four and form the conduction fine rule on photosensitive resin layer;
Figure 14 a-Figure 14 e is the schematic diagram that forms groove in embodiment five and form the conduction fine rule on photosensitive resin layer.
Embodiment
Be described further below in conjunction with accompanying drawing and the preferred embodiment of the present invention.
Embodiment one
as Figure 1-Figure 4, this capacitance touch screen, comprise glass substrate 1, two surfaces of glass substrate 1 are provided with arrangement of electrodes district 2, the arrangement of electrodes district is provided with many grooves 3, the lotion 4(that is filled with conductive nano-particles in groove 3 is nano carbon particle for example, nanometer gold silver particle etc.), the lotion 4 of the conductive nano-particles in each groove 3 knot mutually connects and formation conduction fine rule 5, conduction fine rule 5 consists of the induction electrode of capacitance touch screen by netted tiling mode, a surface at glass substrate 1 forms the first induction electrode 6, another surface at glass substrate 1 forms the second induction electrode 7.
Take the first electrode as example, as shown in Fig. 5 a-Fig. 5 g, its manufacture method comprises the steps:
1), as shown in Fig. 5 a, at surface coating one deck photosensitive resin layer 8 of glass substrate 1, the photosensitive resin layer of employing positivity;
(2), as shown in Fig. 5 b, 5c, the electrode that designs, the thread pattern in perimeter circuit are produced on exposed plate, form strip hollow slots 9 by the exposure of exposed plate and certain developing method on photosensitive resin layer 8;
(3), as shown in Fig. 5 d; adopt glass etching liquid to carry out etching to this surface of glass substrate 1 under the protection of photosensitive resin layer 8; form etching bath 10 on this surface of glass substrate thus, wherein, this etching can be at hydrofluorite (HF) or ammonium bifluoride (NH
4HF
2) in realize, also can the using plasma etching, for example at sulfur hexafluoride (SF
6) discharge plasma in realize.
(4), as shown in Fig. 5 e, adopt certain liquid medicine to soak, rinse, take off photosensitive resin layer, thereby the only etching bath 10 of remaining glass baseplate surface;
(5), as shown in Fig. 5 f, apply the lotion 4 of the conductive nano-particles such as one deck nano-sized carbon slurry, carbon nano-tube slurry or nanometer silver paste on this surface of glass substrate 1, in coating procedure, it is sub in etching bath 10 that the lotion 4 of conductive nano-particles flows into and embeds;
(6), as shown in Fig. 5 g, method by scouring or polishing, remove the lotion 4 of this lip-deep most of conductive nano-particles, only stay and embed etching bath 10(groove 3) in the lotion of partially conductive nano particle, make to embed etching bath 10(groove 3) in the lotion 4 of partially conductive nano particle be interconnected to form conduction fine rule 5.
Wherein, the curing of the lotion 4 of conductive nano-particles can be carried out afterwards in step (5), also can carry out afterwards in step (6), afterwards can be so that the lotion 4 of the conductive nano-particles on surface is more prone to wipe in step (6).
Embodiment two
as Fig. 6-shown in Figure 8, be adopted as the structure of integrated capacitive touch screen, its substrate adopts plastic base 11, its induction electrode is produced on the back side of plastic base 11, and the effect that plastic base 11 also serves as fender simultaneously, arrangement of electrodes district 12 is arranged on the back side of plastic base 11, induction electrode adopts complementary triangular design, arrangement of electrodes district 12 is provided with many grooves 13, (with reference to Fig. 3, the lotion 4(that Fig. 4) is filled with conductive nano-particles in groove 13 is nano carbon particle for example, the nanometer gold silver particle, the concatenator of nano carbon particle etc.), the lotion 4 of the conductive nano-particles in each groove 13 links and formation conduction fine rule 5 mutually, conduction fine rule 5 consists of the induction electrode of capacitance touch screen by netted tiling mode, the back side at plastic base forms the first induction electrode 16 and the second induction electrode 17.Can also cover at the periphery in plastic base 1 arrangement of electrodes district the escutcheon of one deck periphery, when escutcheon is black, the lotion of conductive nano-particles should adopt the nano-sized carbon slurry of black, when escutcheon is white, and silver slurry or nanometer silver paste that the suitable employing color of the lotion of conductive nano-particles is partially white.As shown in Figure 8, perimeter circuit 18 can pass escutcheon 20 by through hole 19 and be connected to the surface, also adopt the lotion 4 of the color conductive nano-particles corresponding with escutcheon to carry out conducting on through hole, induction electrode is connected to the surface of escutcheon 20 by through hole 19, can connect out by external circuit 21 again.Its manufacture method comprises the steps:
(1), as shown in Figure 9, adopt the method for high-precision injection molding moulding to form plastic base 11, and form groove 13 on a surface of plastic base 11 simultaneously;
(2), as shown in Figure 10 a-Figure 10 c, apply the lotion 4 of the conductive nano-particles such as one deck nano-sized carbon slurry, carbon nano-tube slurry or nanometer silver paste on this surface of plastic base 11, in coating procedure, the lotion 4 of conductive nano-particles flows into and embeds son in groove 13;
(3), pass through the method for scouring or polishing, remove the lotion 4 of this lip-deep most of conductive nano-particles, only stay the lotion 4 that embeds the conductive nano-particles in groove 13 parts, make the lotion 4 that embeds the partially conductive nano particle in groove 13 be interconnected to form conduction fine rule 5.
As shown in Figure 9, wherein, in step (1), general employing one side is the injection mold 23 of electroformed mould 22, the surface of this electroformed mould 22 has made convex line 24 corresponding to groove 13 patterns by the method for electroforming in advance, when injection moulding, has formed groove 13 at the back side of plastic base 11 thus.
Embodiment three
in the situation that other parts are all identical with embodiment two, its difference is: as Figure 11, shown in Figure 12, the the first arrangement of electrodes district 31 that is provided with on a surface of plastic base 11 that a plurality of same directions extend, and the second arrangement of electrodes district 32 that is arranged in each the first arrangement of electrodes district 31 1 side, the first arrangement of electrodes district 31, the second arrangement of electrodes district 32 is equipped with many grooves 33, in groove 33 after the lotion 4 of filled conductive nano particle, the lotion 4 of the conductive nano-particles in each the first arrangement of electrodes district 31 upper grooves 33 consists of the first induction electrodes 34, the lotion 4 of the conductive nano-particles in each the second arrangement of electrodes district 32 upper grooves 33 consists of the second induction electrodes 35.
Embodiment four
Capacitance touch screen can adopt any one structure of above-described embodiment one to embodiment three, wherein substrate comprises glass substrate 1 or plastic base 11, and being coated in photosensitive resin layer 41 on glass substrate 1 or plastic base 11, groove 42 is the hollow slots 43 on photosensitive resin layer 41.
As shown in Figure 13 a-Figure 13 e, its corresponding manufacture method comprises the steps:
(1), apply one deck photosensitive resin layer 41 at least one surface of glass substrate 1 or plastic base 11;
(2), the method by exposure, development forms the hollow slots 43 with linear on photosensitive resin layer 41;
(3), apply the lotion 4 of one deck conductive nano-particles on photosensitive resin layer 41, make the lotion 4 of partially conductive nano particle embed hollow slots 43(grooves 42) in;
(4), remove the lotion 4 of the most of conductive nano-particles on photosensitive resin layer 41, only stay and embed hollow slots 43(groove 42) in the lotion 4 of partially conductive nano particle, make to embed hollow slots 43(groove 42) in the lotion 4 of partially conductive nano particle be interconnected to form conduction fine rule 5.
Embodiment five
In the situation that other parts are all identical with embodiment five, its difference is: groove 42 is the impression groove 44 on photosensitive resin layer 41.
As shown in Figure 14 a-Figure 14 e, its corresponding manufacture method comprises the steps:
(1), apply one deck photosensitive resin layer 41 at least one surface of glass substrate 1 or plastic base 11;
(2), adopt a pressing mold 45 that is manufactured with in advance convex epirelief mutually to compress with photosensitive resin layer 41, formation impression groove 44 on photosensitive resin layer 41;
(3), seeing through glass substrate 1 solidifies photosensitive resin layer 41 by irradiating ultraviolet light;
(4), remove pressing mold 45, the impression groove 44 on photosensitive resin layer 41 is groove 42;
(5), apply the lotion 4 of one deck conductive nano-particles on photosensitive resin layer 41, make the lotion 4 of partially conductive nano particle embed in (impression groove 44) grooves 42;
(6), remove the lotion 4 of the most of conductive nano-particles on photosensitive resin layer 41, only stay the lotion 4 of the partially conductive nano particle in embedding (impression groove 44) groove 42, make the lotion 4 of the partially conductive nano particle in embedding (impression groove 44) groove 42 be interconnected to form conduction fine rule 5.
In addition; need to prove, the specific embodiment described in this instructions, its each several part titles etc. can be different; all equivalence or simple change of doing according to the described structure of patent design of the present invention, feature and principle are included in the protection domain of patent of the present invention.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present invention or surmount this scope as defined in the claims, all should belong to protection scope of the present invention.
Claims (9)
1. capacitance touch screen, comprise at least one hard transparent substrate, it is characterized by: at least one surface of described substrate is provided with the arrangement of electrodes district, the arrangement of electrodes district is provided with many grooves, be filled with the lotion of conductive nano-particles in groove, the lotion of the conductive nano-particles in each groove is the company of knot and form the conduction fine rule mutually, and the conduction brush line is crossed the induction electrode that netted tiling mode consists of capacitance touch screen.
2. capacitance touch screen as claimed in claim 1, it is characterized by: described substrate is plastic base, described groove is directly molded on a surface of plastic base.
3. capacitance touch screen as claimed in claim 1, it is characterized by: described substrate is glass substrate, described groove is the etching bath on glass baseplate surface.
4. capacitance touch screen as claimed in claim 1, it is characterized by: described substrate comprises glass substrate or plastic base, and is coated in the photosensitive resin layer on glass substrate or plastic base, described groove is the hollow slots on photosensitive resin layer.
5. capacitance touch screen as claimed in claim 1, it is characterized by: described substrate comprises glass substrate or plastic base, and is coated in the photosensitive resin layer on glass substrate or plastic base, described groove is the impression groove on photosensitive resin layer.
6. the manufacture method of a capacitance touch screen as claimed in claim 2 is characterized by and comprises the steps:
(1), adopt the method for injection mo(u)lding to form plastic base, and form groove simultaneously at least one surface of plastic base;
(2), apply the lotion of one deck conductive nano-particles on plastic base should the surface, make the lotion of conductive nano-particles be embedded in groove;
(3), remove the lotion of this lip-deep most of conductive nano-particles of plastic base, only stay the lotion of the partially conductive nano particle that embeds groove, make the lotion of the partially conductive nano particle that embeds groove be interconnected to form the conduction fine rule.
7. the manufacture method of a capacitance touch screen as claimed in claim 3 is characterized by and comprises the steps:
(1), apply one deck photosensitive resin layer at least one surface of glass substrate;
(2), form the hollow slots with linear by exposure, developing method on photosensitive resin layer;
(3), adopt glass etching liquid to carry out etching to glass substrate this surface under the protection of photosensitive resin layer, should form etching bath on the surface at glass substrate thus;
(4), take off photosensitive resin layer;
(5), should the surface apply the lotion of one deck conductive nano-particles at substrate, make the lotion of partially conductive nano particle embed in groove;
(6), remove glass substrate should the surface on the lotion of most of conductive nano-particles, only stay the lotion that embeds the partially conductive nano particle in groove, make the lotion of the partially conductive nano particle that embeds groove be interconnected to form the conduction fine rule.
8. the manufacture method of a capacitance touch screen as claimed in claim 4 is characterized by and comprises the steps:
(1), apply one deck photosensitive resin layer at least one surface of glass substrate or plastic base;
(2), the method by exposure, development forms the hollow slots with linear on photosensitive resin layer;
(3), apply the lotion of one deck conductive nano-particles on photosensitive resin layer, make the lotion of partially conductive nano particle embed in groove;
(4), remove the lotion of the most of conductive nano-particles on photosensitive resin layer, only stay the lotion that embeds the partially conductive nano particle in groove, make the lotion that embeds the partially conductive nano particle in groove be interconnected to form the conduction fine rule.
9. the manufacture method of a capacitance touch screen as claimed in claim 5 is characterized by and comprises the steps:
(1), apply one deck photosensitive resin layer at least one surface of glass substrate or plastic base;
(2), adopt pressing mold and a photosensitive resin layer that is manufactured with in advance convex epirelief mutually to compress, formation impression groove on photosensitive resin layer;
(3), by irradiating ultraviolet light, photosensitive resin layer is solidified;
(4), remove pressing mold, the impression groove on described photosensitive resin layer is groove;
(5), apply the lotion of one deck conductive nano-particles on photosensitive resin layer, make the lotion of partially conductive nano particle embed in groove;
(6), remove the lotion of the most of conductive nano-particles on photosensitive resin layer, only stay the lotion that embeds the partially conductive nano particle in groove, make the lotion that embeds the partially conductive nano particle in groove be interconnected to form the conduction fine rule.
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| CN103294270A (en) * | 2013-05-30 | 2013-09-11 | 南昌欧菲光科技有限公司 | Monolayer multiple-point touch conducting film and producing method thereof |
| CN103309506A (en) * | 2013-05-30 | 2013-09-18 | 南昌欧菲光科技有限公司 | One-layer multi-point touch control conductive film and manufacturing method thereof |
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| CN104020890B (en) * | 2014-05-30 | 2017-11-21 | 南昌欧菲光科技有限公司 | Touch-screen of the touch base plate with its preparation method and using the touch base plate |
| CN104020888A (en) * | 2014-05-30 | 2014-09-03 | 南昌欧菲光科技有限公司 | Touch screen |
| CN104020887A (en) * | 2014-05-30 | 2014-09-03 | 南昌欧菲光科技有限公司 | Touch screen |
| CN104020889A (en) * | 2014-05-30 | 2014-09-03 | 南昌欧菲光科技有限公司 | Touch substrate and manufacturing method thereof |
| CN104020884A (en) * | 2014-05-30 | 2014-09-03 | 南昌欧菲光科技有限公司 | Touch substrate and manufacturing method thereof |
| CN104021845A (en) * | 2014-05-30 | 2014-09-03 | 南昌欧菲光科技有限公司 | Transparent conductor |
| CN105204673A (en) * | 2014-06-12 | 2015-12-30 | 宸鸿科技(厦门)有限公司 | Touch panel |
| CN106155392A (en) * | 2015-04-16 | 2016-11-23 | 南昌欧菲光科技有限公司 | Intelligence wearable device, touch screen and preparation method thereof |
| CN105045456A (en) * | 2015-09-07 | 2015-11-11 | 张家港康得新光电材料有限公司 | Metal grid transparent conductive body, preparation method thereof and capacitive touch screen |
| CN105045455A (en) * | 2015-09-07 | 2015-11-11 | 张家港康得新光电材料有限公司 | Metal grid transparent conducting film, preparation method thereof and capacitive touch screen |
| CN111819427A (en) * | 2017-01-14 | 2020-10-23 | 奈米制作实验室 | Sensor and touch screen with environmental compensation function, in particular for temperature |
| CN109991772A (en) * | 2019-03-29 | 2019-07-09 | 云谷（固安）科技有限公司 | Display panel film layer structure and its preparation process |
| CN109991772B (en) * | 2019-03-29 | 2023-03-14 | 广州国显科技有限公司 | Display panel film structure and preparation process thereof |
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