WO2014185756A1 - 하이브리드 투명전극의 제조방법 및 하이브리드 투명전극 - Google Patents
하이브리드 투명전극의 제조방법 및 하이브리드 투명전극 Download PDFInfo
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- WO2014185756A1 WO2014185756A1 PCT/KR2014/004432 KR2014004432W WO2014185756A1 WO 2014185756 A1 WO2014185756 A1 WO 2014185756A1 KR 2014004432 W KR2014004432 W KR 2014004432W WO 2014185756 A1 WO2014185756 A1 WO 2014185756A1
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- ink composition
- conductive
- filling
- transparent electrode
- groove
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/52—Electrically conductive inks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/32—Filling or coating with impervious material
- H01B13/322—Filling or coating with impervious material the material being a liquid, jelly-like or viscous substance
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
Definitions
- the present invention relates to a method for manufacturing a hybrid transparent electrode and a hybrid transparent electrode, and more particularly, to a method for manufacturing a hybrid transparent electrode in which a conductive layer is formed on a metal fine electrode pattern.
- the metal pattern formed by forming a fine pattern on the substrate and filling the metal conductive ink is very useful in the resistance characteristics of the technology for manufacturing a transparent electrode essential to the touch panel.
- a metal-based transparent electrode (TCF) has been developed to improve optical and electrical properties by coating metal nanowires or various types of metal structures on a base film.
- electrode surfaces formed from these materials are not suitable for other display processes, including OLEDs, which require surface flatness of tens of nanoscales, and energy barriers due to differences in work functions from organic materials formed on the electrodes. barriers can be high.
- the transparent electrodes for touch panels and displays have commercialized oxide transparent electrodes including indium tin oxide (ITO), but the reserves are limited, and there is a lack of flexibility due to the characteristics of the oxide and the resistance characteristics are not as good as metals. It is impossible to use it as a large-area flexible display.
- ITO indium tin oxide
- an object of the present invention is to solve the conventional problems, and to provide a method of manufacturing a hybrid transparent electrode of a double layer by hybridizing a conductive metal ink composition having mechanical and electrical properties and an oxide electrode having excellent surface properties. There is this.
- the residue of the conductive metal ink composition that may occur in the non-fine electrode pattern region may be removed to form a low-resistance fine pattern that was difficult to implement in the prior art. And to provide a method for producing a hybrid transparent electrode excellent in transmittance.
- the mechanical properties can be improved, and the hybrid transparent electrode can improve the surface and mechanical properties by introducing a polymer layer between the oxide electrodes by maximizing the conductive ink filling in the metal electrode pattern. It is an object to provide a manufacturing method.
- the manufacturing method according to an embodiment of the hybrid transparent electrode of the present invention, the ink composition filling step of filling the groove of the substrate having a groove with the conductive metal ink composition, the conductive metal ink composition Filling the grooves and filling the grooves with the remaining conductive metal ink composition remaining on the surface of the base to fill the grooves to form an electrode pattern and a conductive layer containing a conductive material on the electrode pattern It characterized in that it comprises a conductive layer forming step of forming a.
- the conductive metal ink composition may include at least one of a metal complex compound, a metal precursor, spherical metal particles, metal flakes, nano particles, or nanowires.
- the ink composition filling step may include an inkjet method, a flat screen method, a spin coating method, a bar coater method, a roll coating method, a flow coating method, a doctor blade, a dispensing, a gravure printing method, or a flexographic printing method. It is desirable to be filled.
- the residual ink composition filling step may be performed by dissolving the residual conductive metal ink composition remaining on the surface with an etching solution while the conductive ink composition is filled in the grooves in the ink composition filling step. It can be filled in the groove.
- the etchant is applied to the surface of the substrate to dissolve the residual conductive metal ink composition.
- the etching solution may be applied by a flat screen method, a spin coating method, a roll coating method, a flow coating method, a doctor blade, a gravure printing method, or a flexographic printing method.
- the etching solution may be ammonium carbamate series, ammonium carbonate series, ammonium bicarbonate series, carboxylic acid series, lactone series, lactam series, cyclic acid anhydride series compounds, acid-base salt complexes, acid-base-alcohol complexes or mercapto And at least one of the class compounds and the oxidant.
- the residual conductive metal ink composition is filled in the groove by pushing the residual conductive metal ink composition dissolved by the etching solution into the groove.
- the residual conductive metal ink composition dissolved by the etching solution is pushed into the groove using a doctor blade or a brush.
- the conductive material may be a metal oxide, CNT, graphene or a conductive polymer.
- the conductive layer is formed by depositing or printing the conductive material.
- the thickness of the conductive layer is preferably 0.5 to 2.0 times the height of the groove, but is not limited thereto.
- a method of manufacturing a hybrid transparent electrode wherein a substrate having a groove is formed on a surface thereof, and a substrate surface treatment step of plasma treating the surface of the substrate with hydrophobicity, wherein the groove is filled with a conductive metal ink composition Filling the ink composition so as to fill the groove, and filling the groove with the residual conductive metal ink composition remaining on the surface while filling the groove to fill the groove to form an electrode pattern and a conductive material on the electrode pattern. It characterized in that it comprises a conductive layer forming step of forming the included conductive layer.
- the conductive metal ink composition may include at least one of a metal complex compound, a metal precursor, spherical metal particles, metal flakes, nano particles, or nanowires.
- the filling of the residual ink composition may include filling the grooves with the residual conductive metal ink composition dissolved by dissolving the residual conductive metal ink composition remaining on the surface with an etchant while the grooves are filled in the ink composition filling step. It features.
- the residual conductive metal ink composition may be filled in the groove by pushing the residual conductive metal ink composition dissolved by the etching solution into the groove using a doctor blade or a brush.
- the conductive layer is formed by depositing or printing a metal oxide, CNT, graphene or a conductive polymer.
- a method of manufacturing a hybrid transparent electrode comprising: a first ink composition filling step of providing a substrate having a groove formed on a surface thereof and filling the groove with a conductive metal ink composition;
- the conductive metal ink composition may include at least one of a metal complex compound, a metal precursor, spherical metal particles, metal flakes, nano particles, or nanowires.
- the metal precursor is M n X, where M is Ag, Au, Cu, Ni, Co, Pd, Ti, V, Mn, Fe, Cr, Zr, Nb, Mo, W, Ru, Cd, Ta, Re, Os, Ir, Al, Ga, Ge, In, Sn, Sb, Pb or Bi, n is an integer from 1 to 10, X is oxygen, sulfur, halogen, cyano, cyanate, carbonate, nitrate, Preference is given to one of nitrate, sulfate, phosphate, thiocyanate, chlorate, picchlorate, tetrafloporoborate, acetylacetonate, mercapto, amide, alkoxide or carboxylate.
- the conductive layer may be formed by depositing or printing the conductive material.
- the conductive layer is characterized in that formed in a thickness of 10 to 500nm.
- a method of manufacturing a hybrid transparent electrode wherein a substrate is provided with a groove formed on a surface thereof, and an ink composition filling step of filling the groove with a conductive metal ink composition, wherein the groove is filled with the surface.
- the baking step of firing the electrode pattern in the atmosphere of 50 to 200 °C and conductive on the electrode pattern It characterized in that it comprises a conductive layer forming step of forming a conductive layer containing a material.
- the remaining ink composition filling step may be repeated two or more times.
- the filling of the residual ink composition may include filling the grooves with the residual conductive metal ink composition dissolved by dissolving the residual conductive metal ink composition remaining on the surface with an etchant while the grooves are filled in the ink composition filling step. desirable.
- the etchant may be applied to the entire surface of the substrate by a flat screen method, a spin coating method, a roll coating method, a flow coating method, a doctor blade, a gravure printing method, or a flexo printing method to dissolve the residual conductive metal ink composition.
- the hybrid transparent electrode of the present invention comprises a base portion grooved in the form of a mesh, the groove is a metal mesh electrode filled with a conductive metal ink composition, a metal oxide layer formed on the metal mesh electrode It features.
- the conductive metal ink composition may include at least one of a metal complex compound, a metal precursor, spherical metal particles, metal flakes, nano particles, or nanowires.
- the metal oxide layer preferably includes tin oxide, indium tin oxide, antimony tin oxide, indium gallium oxide, indium zinc oxide, or zinc oxide.
- the present invention forms an electrode pattern with a conductive metal ink composition, and forms a conductive layer made of a conductive material on the electrode pattern to produce a hybrid type transparent electrode, which has excellent electrical conductivity and transmittance, and thus is optimized for transparent electrodes. Can be provided.
- a conductive material including a metal complex compound or a metal precursor may be used to simultaneously improve optical, electrical, and mechanical properties.
- the flatness of the electrode surface may be improved by dissolving and removing the fine residual metal composition inevitably generated while filling the conductive metal ink composition in order to form the electrode pattern, and the transmittance and withstand voltage may be improved.
- the filling rate of the conductive metal ink composition on the electrode surface can be significantly improved without damaging the substrate surface and the filling electrode.
- FIG. 1 is a flowchart sequentially showing an embodiment of a method of manufacturing a hybrid transparent electrode according to the present invention.
- FIG. 2 is a cross-sectional view sequentially showing another embodiment of a method of manufacturing a hybrid transparent electrode according to the present invention.
- 3 is a graph showing the sheet resistance of the hybrid transparent electrode according to the thickness of the conductive layer.
- FIG. 5 is a graph illustrating haze of the hybrid transparent electrode according to the thickness of the conductive layer.
- FIG. 6 is a graph showing surface roughness Ra of the hybrid transparent electrode according to the thickness of the conductive layer.
- FIG. 7 is a graph showing the bendability of the hybrid transparent electrode according to the thickness of the conductive layer.
- each component is exaggerated, omitted, or schematically illustrated for convenience and clarity of description.
- the size and area of each component does not necessarily reflect the actual size or area.
- Method of manufacturing a hybrid transparent electrode comprises an ink composition filling step (S10), a residual ink composition filling step (S20) and a conductive layer forming step (S30) as shown in FIG.
- Filling the ink composition (S10) is a step of filling a conductive metal ink composition in the groove of the substrate having a groove, and fills the conductive material in the groove of the intaglio.
- the surface of the substrate may be hydrophobicized before the grooves are formed.
- Such hydrophobic treatment of the surface of the substrate may be enabled by plasma treatment of the upper surface of the substrate.
- the substrate may be formed of a transparent material such as a plastic film or glass.
- the plastic film may be polyimide (PI), polyethylene terephthalate (PET), polyethernaphthalate (PEN), polyethersulfone (PES), nylon (Nylon), polytetrafluoroethylene (PTFE), polyether ether Ketones (PEEK), polycarbonates (PC), or polyarylates (PAR) can be used. It may be provided with an opaque material. For example, a metal plate having an insulated surface may be used, or an opaque plastic film, an opaque glass, or an opaque glass fiber material may be applied. Thus, a plastic film, a glass substrate, etc. can be used, It is not limited to this.
- the method of forming a groove in the substrate may be formed by a method commonly used in the industry, and preferably, a method of imprinting a UV curable resin or a thermosetting resin into a mold by an imprinting process, and etching the substrate directly with a laser. It can be selected and used according to the size of the fine line width to be implemented by using a method of forming and using, a method of forming using a photolithography method.
- the conductive metal ink composition may use a metal complex compound, a metal precursor, spherical metal particles, metal flakes, nano particles, or nano wires, and may be used by mixing two or more kinds according to the material of the conductive material.
- Metal complex compounds or metal precursors may be used to improve fillability in the fine grooves.
- the metal complex compound or metal precursor may be reduced to prepare nano-sized metal particles, which may be used as a mixture. Using this, it is possible to easily form a nano-conductive fine pattern that could not be formed in the prior art.
- the metal precursor used in the present invention may be represented by the general formula M n X, where M is Ag, Au, Cu, Ni, Co, Pd, Ti, V, Mn, Fe, Cr, Zr, Nb, Mo, W, Ru, Cd, Ta, Re, Os, Ir, Al, Ga, Ge, In, Sn, Sb, Pb, Bi, n is an integer from 1 to 10, X is oxygen, sulfur, halogen, cyano, cyanate , Carbonates, nitrates, nitrates, sulfates, phosphates, thiocyanates, chlorates, picchlorates, tetrafluorophorates, acetylacetonates, mercapto, amides, alkoxides, carbolates and the like.
- carboxylic acid metals such as zinc citrate, silver nitrate, copper cyanide, cobalt carbonate, chloride
- metal compound such as platinum, gold acid, tetrabutoxy titanium, dimethoxyzirconium dichloride, aluminum isopropoxide, vanadium oxide, tantalum methoxide, bismuth acetate, dodecyl mercaptoated gold, indium acetylacetonate, etc. Can be selected and used together.
- Typical metal nanoparticle manufacturing methods include a physical method of physically pulverizing a metal mass and a method of manufacturing using a chemical reaction.
- the chemical method is described by aerosol method for the injection of high-pressure gas to powder, pyrolysis method for pyrolysis using metal compound and gas reducing agent, heat evaporation of evaporation material to produce powder Evaporative condensation, sol-gel, hydrothermal synthesis, ultrasonic synthesis, microemulsion, liquid phase reduction, and the like.
- the liquid phase reduction method using the dispersing agent and the reducing agent which is said to be easy to control the formation of nanoparticles and is considered to be the most economical, is used the most. .
- the method for producing the nanoparticles by the liquid-phase reduction method is described in Korean Patent Application No. 2006-0074246 filed by the present applicant and the metal nanoparticles described in the patent application has the advantage that the particle size is uniform and the cohesion is minimized
- the conductive ink containing the metal nanoparticles has an advantage of easily forming a uniform and dense thin film or fine pattern having high conductivity even when fired at a low temperature of 150 ° C. or less for a short time.
- solvents such as solvents, stabilizers, dispersants, binder resins, release agents, reducing agents, surfactants, wetting agents, thixotropic agents or leveling agents, thickeners and Such additives may be included.
- the said binder resin is excellent in the adhesive force with various base materials.
- Usable organic binders include polypropylene, polycarbonate, polyacrylate, polymethylmethacrylate, cellulose acetate, polyvinylchloride, polyurethane, polyester, alkyd resins, epoxy resins, feoxy resins, melamines. Resins, phenolic resins, phenol-modified alkyd resins, epoxy-modified alkyd resins, vinyl-modified alkyd resins, silicone-modified alkyd resins, acrylic melamine resins, polyisocyanate resins, epoxy ester resins, and the like. Does not.
- the silver (Ag) complex compound or nanoparticles may be used even when there is no binder, it is not limited to the above.
- a solvent may be required to form a uniform thin film
- solvents that may be used include ethanol, isopropanol, butanol, hexanol, alcohols, ethylene glycol, glycols such as glycerin, ethyl acetate, butyl acetate, and methoxy.
- Acetates such as propyl acetate, carbitol acetate, ethyl carbitol acetate, methyl cersolve, butyl cellosolve, ethers such as diethyl ether, tetrahydrofuran, dioxane, methyl ethyl ketone, acetone, dimethylformamide Ketones such as 1-methyl-2-pyrrolidone, hexane, heptane, dodecane, paraffin oil, hydrocarbons such as mineral splits, aromatics such as benzene, toluene and xylene, and chloroform, methylene chloride, carbon tetrachloride Halogen substituted solvents such as acetonitrile, dimethyl sulfoxide or a mixed solvent thereof It can be used. However, the type of solvent is not limited thereto.
- the method of filling the grooves of the base material with the conductive metal ink composition is not limited, but the inkjet method, the flat screen method, the spin coating method, the bar coater method, A roll coating method, a flow coating method, a doctor blade, a dispensing, a gravure printing method, or a flexography printing method are preferable.
- the number of fillings at this time may be used repeatedly one or more times.
- the filling properties may vary depending on the respective filling methods, but it is necessary to optimize the rheology of the composition by adjusting the components of the conductive metal ink composition to be suitable for each filling method.
- the thickness of the conductive pattern formed by the above method is preferably the same or lower than the pattern depth of the intaglio, but is not limited thereto.
- the thickness of the conductive pattern may be thicker than the depth of the intaglio pattern, thereby increasing the contact force with the upper circuit. Specifically, it is preferably 10 ⁇ m or less, more preferably 0.1 ⁇ m or more and 5 ⁇ m or less. The thickness of the conductive pattern needs to be adjusted according to the line width, required resistance, and post-treatment conditions.
- the ink composition filling step (S10) after filling the conductive metal ink composition into the groove of the substrate, it is preferable to perform a drying step.
- the drying of the conductive pattern may be 22 to 600 ° C, more preferably 80 to 400 ° C. It is not necessarily limited to the temperature range, it may be preferable to proceed in a temperature range that the substrate is not deformed according to the type of the substrate.
- the ink composition filling step (S10) may be repeated two or more times, and the number of implementations may be appropriately adjusted according to the width, height of the groove, or the performance of the conductive metal ink composition.
- Residual ink composition filling step (S20) is a step of additionally filling the groove by processing the remaining conductive metal ink composition remaining on the surface while the conductive metal ink composition is filled in the groove in the ink composition filling step (S10), Patterns can be formed.
- the residual conductive metal ink composition is preferably dissolved in an etching solution so as to be filled in the grooves.
- the conductive metal ink composition is inevitably left on the surface of the substrate while being filled with the conductive metal ink composition, and then dissolved with an etching solution to guide the groove into the groove.
- the etching mechanism of the conductive metal ink composition may be achieved by repeatedly swelling and dissolving an oxidant to form a metal oxide by dissolving the metal surface and dissolving the metal oxide.
- an etching solution may be applied to the substrate surface.
- the coating method of the etching solution can be carried out by a conventional coating method.
- the etching solution may be ammonium carbamate series, ammonium carbonate series, ammonium bicarbonate series, carboxylic acid series, lactone series, lactam series, cyclic acid anhydride series compounds, acid-base salt complexes, acid-base-alcohol complexes or mercapto ( It is preferred to include at least one of the mercapto series compounds and the oxidizing agent.
- alcohols such as water, methanol, propanol, isopropanol, butanol and ethanol amine
- Glycols such as ethylene glycol, glycerin, ethyl acetate, butyl acetate, acetates such as carbitol acetate, diethyl ether, tetrahydrofuran, ethers such as dioxane, methyl ethyl ketone, ketones such as acetone, hexane, Hydrocarbons such as heptane, aromatics such as benzene and toluene, and halogen-substituted solvents such as chloroform, methylene chloride and carbon tetrachloride, fluorine-based solvents such as perfluorocarbon, or a mixed solvent thereof may be
- a pressurized state such as a pressure vessel
- a low boiling point fluorine-based solvent or liquefied carbon dioxide may be used. It is not necessary to specifically limit the etching solution production method of the present invention. That is, any method known in the art may be used as long as it satisfies the object of the present invention.
- an oxidizing agent for example, an oxidizing gas such as oxygen, ozone, hydrogen peroxide, Na 2 O 2 , KO 2 , NaBO 3 , (NH 4 ) S 2 O 8 , H 2 SO 5 , (CH 3 ) 3 Peroxides such as CO 2 H, (C 6 H 5 CO 2 ) 2, etc., HCO 3 H, CH 3 CO 3 H, CF 3 CO 3 H, C 6 H 5 CO 3 H, m-ClC 6 H 5 -CO 3 Peroxyacids such as H, nitric acid, sulfuric acid, iodine (I 2 ), Fe (NO 3 ) 3 , Fe 2 (SO 4 ) 3 , K 3 Fe (CN) 6 , (NH 4 ) 2 Fe (SO 4 ) 2 , Ce (NH 4 ) 4 (SO 4 ) 4 , NaIO 4 , KMnO 4 , K 2 CrO 4 and the like generally known oxidative inorganic acids or metals,
- an oxidizing gas
- the etchant may be desirable to impart hydrophilic properties to the etchant composition in order to effectively dissolve the conductive ink remaining on the surface of the substrate without filling the groove of the substrate and to increase the refilling into the micro grooves.
- Ammonium carbamate-based compounds, ammonium carbonate-based compounds and ammonium bicarbonate-based compounds herein are described in detail in Korean Patent No. 0727466 of the present applicant, and the carboxylic acid-based compounds are benzoic acid, oleic acid, propionic acid, malonic acid, hexane Acids, octanoic acid, decanoic acid, neodecanoic acid, oxalic acid, citric acid, salicylic acid, stearic acid, acrylic acid, succinic acid, adipic acid, glycolic acid, isobutyric acid, ascorbic acid and the like can be used.
- the carboxylic acid-based compounds are benzoic acid, oleic acid, propionic acid, malonic acid, hexane Acids, octanoic acid, decanoic acid, neodecanoic acid, oxalic acid, citric acid, salicylic acid, stearic acid
- the lactone-based compounds include ⁇ -propiolactone, ⁇ -propiolactone, ⁇ -butyrolactone, ⁇ -thiobutyrolactone, ⁇ -methyl- ⁇ -butyrolactone, ⁇ -methyl- ⁇ -butyrolactone, and ⁇ -Valerolactone, ⁇ -caprolactone, ⁇ -octanoic lactone, ⁇ -valerolactone, 1,6-dioxaspiro [4,4] nonane-2,7-dione, ⁇ -methylene- ⁇ -butyro Lactone, ⁇ -methylene- ⁇ -butyrolactone, ⁇ -caprolactone, lactide, glycolide, tetronic acid, 2 (5H) -huranone, ⁇ -hydroxy- ⁇ -butyrolactone, mevalonic lantone , 5,6-dihydro-2H-pyran-2-pyran-2-one, ⁇ -valerolactone, ⁇ -caprolactone,
- Lactam-based compounds are 2-azetidon, 2-pinolidinone, 5-methoxy-2-pyrrolidinone, 5-methyl-2-pyrrolidinone, N -methylcaprolactam, 2-azacyclononnanone, N Acetyl caprolactam may be used.
- cyclic acid anhydride itaconic anhydride, succinic anhydride, maleic anhydride, glutaric anhydride, octadecyl succinic anhydride, 2,2-dimethylsuccinic anhydride, 2-dodecene- 1-sequential anhydride, hexafluoroglutaric anhydride, 3,3-dimethylglutaric anhydride, 3-ethyl-3-methyl glutaric anhydride, 3,5-diacetyltetrahydro Pyran-2,4,6-trione, diglycolic anhydride and the like can be used.
- Mercapto-based compounds include 1-methane siol, 1-ethanesilol, 2-butanesilol, 1-heptane siol, 1-octanesiol, 1-decane siol, 1-hexadecane siol, Acetic acid, 6-mercaptohexanoic acid, thiobenzoic acid, furfuryl mercaptan, cyclohexanecyol, 11-mercapto-1 undecanol, 2-mercaptoethanol, 3-mercapto-1-propanol, cyio Salicylic acid, 1-cyorlyserol, 2-naphthalenecyol, methyl 3-mercaptopropionate, ganmar mercapto propyltrimethoxysilane, and the like can be used.
- the present invention is not limited thereto, and may be used as a single component or selected from the group consisting of two or more kinds of mixtures.
- the etching rate of the etching composition is to adjust the deposition time of the etching solution during coating, or the oxidizing agent or ammonium carbamate-based, ammonium carbonate-based, ammonium bicarbonate-based, carboxylic acid-based, lactone-based, lactam-based, cyclic anhydride-based , Acid-base salt complex, acid-base-alcohol-based complex, it is preferable to control by controlling the concentration of the mercapto-based compound, it can be used repeatedly the etching process if necessary.
- the etching solution containing an inorganic acid or a base it can be removed by washing with a separate water or organic solvent.
- the cleaning process may be further included to insert the conductive ink on the surface of the substrate into the groove.
- the re-dissolution and filling rate of the residual conductive metal ink composition can be adjusted according to the ratio of the oxidant and etching liquid composition.
- the residual conductive metal ink composition is dissolved in an etching solution, the residual conductive metal ink composition is guided into the grooves so as to fill the grooves of the substrate with the dissolved residual conductive ink composition.
- the method of inducing the residual conductive metal ink composition into the grooves is preferably to be pushed into the grooves by a physical force to be filled.
- a doctor blade or a brush may be used. More preferably, a brush is used.
- the brush can effectively prevent scratches and ink loss of the substrate surface by reducing physical force.
- the electrode surface can improve the filling rate without damaging the substrate surface and the filling electrode.
- filling may be performed one or more times, and various methods may be used in combination, in particular, a doctor blade and a brush.
- the conductive metal ink composition is filled in the grooves of the substrate, and at the same time, metal or organic substances, which are components of the conductive metal ink composition remaining on the surface of the substrate, are removed. Can be.
- the drying of the conductive pattern may be 22 to 600 ° C, more preferably 80 to 400 ° C. It is not necessarily limited to the temperature range, it may be preferable to proceed in a temperature range that the substrate is not deformed according to the type of the substrate.
- the etchant is volatilized, so that the grooves form a single layer pattern made of one material of the conductive metal ink composition.
- the electrode pattern can be formed and there is no limitation in the form of the electrode pattern, but preferably a mesh (mesh) or honeycomb form, more preferably may be a mesh form.
- the unnecessary conductive metal ink composition remaining on the surface of the substrate is removed with an etching solution to improve optical properties and at the same time, the flatness of the electrode surface is refilled into the grooves. Can be improved.
- the filling of the residual ink composition (S20) may be performed two or more times to finely control the filling degree of the conductive metal ink composition in the groove.
- Another embodiment of the electrode pattern forming method of the present invention is provided with a substrate having a groove formed on the surface, the first ink composition filling step of filling the groove is filled with a conductive metal ink composition, the groove is filled on the surface Filling the remaining conductive metal ink composition remaining in the groove to fill the grooves to form an electrode pattern, Filling the second ink composition to fill the grooves with the conductive metal ink composition and Filling the grooves
- the electrode pattern may be formed through the filling of the second residual ink composition filling the residual conductive metal ink composition remaining on the surface so as to fill the groove while the filling is performed.
- the firing step may be performed, respectively.
- the fine electrode pattern of low resistance may be formed. Formation is possible.
- the conductive layer forming step (S30) is a step of manufacturing a hybrid transparent electrode by forming a conductive layer containing a conductive material on the electrode pattern.
- the conductive layer forming step (S30) may be carried out after the ink composition filling step (S10), or if the conductive material is formed on the electrode pattern after removing the remaining conductive metal ink composition, a highly reliable transparent electrode film can be realized. .
- the conductive material that can be formed on the electrode pattern is preferably a metal oxide, CNT, graphene or conductive polymer.
- Metal oxides include tin oxide, indium tin oxide (ITO), antimony tin oxide (ATO), indium gallium oxide (IGO), and indium zinc oxide , IZO) or zinc oxide
- the conductive polymer may be PEDOT (Poly (3,4-Ethylenedioxythiophene)) or PSS: PEDOT (Poly (3,4-Ethylenedioxythiophene): Poly (4-Styrenesufonate)) Can be used.
- the conductive material may be formed by depositing and patterning or directly printing on the electrode pattern, and the material of the metal oxide is preferably printed by a thin film coating composition by vacuum deposition or noming to a target form.
- the thickness of the conductive layer is preferably 0.5 to 2.0 times, more preferably 0.8 to 1.5 times the height of the groove.
- the thickness of the conductive layer is effectively 10 to 500 nm, more preferably less than 150 nm. If the thickness of the conductive layer is less than 10 nm, there is a slight effect on the improvement of the optical properties, the surface roughness is not easy to contact between the electrodes, and if the thickness of the conductive layer exceeds 150 nm, the flexibility of the transparent electrode is significantly reduced Difficulty in application to various product lines.
- Such a hybrid type transparent electrode film may be used in a field requiring high conductivity and requiring high reliability because of excellent interface characteristics between two electrodes.
- FIG. 2 is a cross-sectional view sequentially illustrating an embodiment of a method for manufacturing a hybrid transparent electrode of the present invention.
- a film 2 is formed on the substrate 1, and a groove 3 having a rectangular side cross section is formed in the film 2.
- the shape of the groove 3 is not necessarily limited to a quadrangle, and grooves of various shapes may be mixed and formed.
- the groove 3 may have a depth smaller than the thickness of the film 2.
- the film 2 may hydrophobicly treat the upper surface before the groove 3 is formed. Thereby, the process of the conductive metal ink composition mentioned later can be made easier.
- This hydrophobic treatment on the top surface can be made possible by, for example, plasma treatment of the top surface of the film.
- the conductive metal ink composition 6 is filled in the groove 3.
- the squeeze in this figure, uses the doctor blade 7 to push the face of the film 2 so that the conductive metal ink composition 6 is filled in the groove 2.
- the method of applying the conductive metal ink composition 6 is not limited to the use of the doctor blade 7, but may be an inkjet method, a flat screen method, a spin coating method, a bar coater method, a roll coating method, a flow coating method, Doctor blades, dispensing, gravure printing or flexo printing can be used.
- Application of the conductive metal ink composition is not limited to one time, and may be repeated a plurality of times in some cases.
- the conductive metal ink composition 4 filled in the grooves 3 in this manner may be equal to or less than the depth of the grooves.
- the etching solution 8 is applied onto the film 2.
- the etchant 8 dissolves the remaining conductive metal ink composition 5 on the surface of the film 2, which is filled and inevitably generated in the conductive metal ink composition 6 in FIG. 2B.
- the etching solution 6 may be made hydrophilic in order to easily fill the groove 3 with the remaining conductive metal ink composition 5 later.
- ammonium carbamate series, ammonium carbonate series, ammonium bicarbonate series, carboxylic acid series, lactone series, lactam series, cyclic acid anhydride series compounds, acid-base salt complexes, acid-base-alcohol complexes or mercaptos It is effective to include family compounds.
- the degree of hydrophilicity can be controlled by adjusting the carbon number.
- the coating method of the etching solution 6 is a method commonly used in the industry, but a roll coating, flow coating, gravure printing, or flexo printing method is preferable.
- the dissolved residual conductive metal ink composition is pushed into the groove 3.
- squeeze can be used, and the brush 9 is used in the drawing. This may be done more than once, and several types of squeeze may be used in combination.
- the conductive metal ink composition 6 can be more easily filled in the grooves 3.
- the dissolved residual conductive metal ink composition When the dissolved residual conductive metal ink composition is filled in the grooves 3 by the brush 9, as shown in FIG. 2E, the dissolved residual conductive metal ink composition is transferred to the conductive metal ink composition 4 of FIG. 2B. Stacked on.
- the dissolved residual conductive metal ink composition contains an etchant and there is a distinction of layers. Subsequently, the etching solution is removed through drying or firing, thereby forming a single-layer conductive pattern made of one kind of ink composition as shown in FIG.
- a hybrid type A transparent electrode can be formed.
- the conductive hybrid ink of Preparation Example 1 was applied to the non-conductive pattern film, and the metal blade was filled into the pattern groove, and the ink was applied once again after the blading, and the blading was repeated five times. 1 minute firing at Then, the etching solution of Preparation Example 2 was applied on the packed film, excess ink was removed using a brush, and then baked at 120 ° C. for 1 minute to fill the film with conductive ink to form an electrode pattern. A 30 nm thick ITO was deposited on the electrode pattern by using a sputter.
- the conductive hybrid ink of Preparation Example 1 was applied to the non-conductive pattern film, and the metal blade was filled into the pattern groove, and the ink was applied once again after the blading, and the blading was repeated five times. 1 minute firing at Then, the etching solution of Preparation Example 2 was applied on the packed film, excess ink was removed using a brush, and then baked at 120 ° C. for 1 minute to fill the film with conductive ink to form an electrode pattern. ITO having a thickness of 40 nm was deposited on the electrode pattern by using a sputter.
- the conductive hybrid ink of Preparation Example 1 was applied to the non-conductive pattern film, and the metal blade was filled into the pattern groove, and the ink was applied once again after the blading, and the blading was repeated five times. 1 minute firing at Then, the etching solution of Preparation Example 2 was applied on the packed film, excess ink was removed using a brush, and then baked at 120 ° C. for 1 minute to fill the film with conductive ink to form an electrode pattern. Sputter was used to deposit 70 nm in thickness of ITO on the electrode pattern.
- the conductive hybrid ink of Preparation Example 1 was applied to the non-conductive pattern film, and the metal blade was filled into the pattern groove, and the ink was applied once again after the blading, and the blading was repeated five times. 1 minute firing at Then, the etching solution of Preparation Example 2 was applied on the packed film, excess ink was removed using a brush, and then baked at 120 ° C. for 1 minute to fill the film with conductive ink to form an electrode pattern. ITO having a thickness of 100 nm was deposited on the electrode pattern by using a sputter.
- the conductive hybrid ink of Preparation Example 1 was applied to the non-conductive pattern film, and the metal blade was filled into the pattern groove, and the ink was applied once again after the blading, and the blading was repeated five times. 1 minute firing at Then, the etching solution of Preparation Example 2 was applied on the packed film, excess ink was removed using a brush, and then baked at 120 ° C. for 1 minute to fill the film with conductive ink to form an electrode pattern. Sputter was used to deposit 150 nm thick ITO on the electrode pattern.
- the conductive hybrid ink of Preparation Example 1 was applied to the non-conductive pattern film, and the metal blade was filled into the pattern groove, and the ink was applied once again after the blading, and the blading was repeated five times. 1 minute firing at Then, the etching solution of Preparation Example 2 was applied on the packed film, excess ink was removed using a brush, and then baked at 120 ° C. for 1 minute to fill the film with conductive ink to form an electrode pattern.
- the conductive hybrid ink of Preparation Example 1 was applied to the non-conductive pattern film, and the metal blade was filled into the pattern groove, and the ink was applied once again after the blading, and the blading was repeated five times. 1 minute firing at Subsequently, the film was baked at 120 ° C. for 1 minute without etching to fill the film with conductive ink to form an electrode pattern. ITO having a thickness of 100 nm was deposited on the electrode pattern by using a sputter.
- Example 1 Sheet resistance ( ⁇ / ⁇ ) Transmittance (%) Haze (%) Surface Roughness (nm)
- Example 2 7.8 77.3 1.80 58
- Example 3 6.0 73.7 1.52 30
- Example 4 5.5 78.7 1.39 28
- Example 5 3.9 81.3 1.62 35 Comparative Example 1 47 88.3 1.40 100
- the hybrid transparent electrode manufactured by the manufacturing method of the present invention had a significantly lower sheet resistance than the electrode pattern without the conductive layer (Comparative Example 1), and it was found that the electrical conductivity was excellent.
- the transmittance and haze are slightly lower than that of Comparative Example 1 of the embodiment, but the transparent electrode film may be implemented without problems in terms of transmittance and haze.
- the transparent electrode film according to the embodiment can form an electrode having a very uniform surface roughness with a surface roughness of at least 28nm, whereas in Comparative Example 1 it is difficult to form a surface with a uniform surface roughness of 100nm, The degree of contact between the livers could be expected to drop significantly.
- Example 4 sheet resistance, transmittance, haze, and surface roughness (Ra) of Example 4 and Comparative Example 2 were measured and described.
- Ra surface roughness
- Table 3 shows the sheet resistance, transmittance, haze, and surface roughness (Ra) before and after etching before the deposition of ITO in Example 4 in order to examine the effect of etching by the etching solution in the hybrid transparent electrode, and the etching of each evaluation item.
- the change rate before and after was described together.
- Table 4 is to determine the bendability of the hybrid transparent electrode of the present invention, using a bending tester with a diameter of 10mm hybrid transparent electrode of the embodiment was measured the efficiency reduction rate (%) compared to the initial efficiency after 3000 bending tests.
- the performance stability was higher than that of the conventional hybrid electrode.
- the transparent electrode of the present invention can be easily applied to a flexible display having excellent durability due to its excellent mechanical properties and bending characteristics.
- 3 to 7 are graphs measuring sheet resistance, transmittance, haze, surface roughness, and bending property according to the thickness of the conductive layer.
- ITO was used as the conductive material of the conductive layer.
- FIG. 8 is a SEM image of a cross-sectional view of a hybrid transparent electrode manufactured by Examples and Comparative Examples.
- FIG. 8 is a SEM image of a cross-sectional view of a hybrid transparent electrode manufactured by Examples and Comparative Examples.
- the hybrid transparent electrode of the present invention it is possible to provide a hybrid transparent electrode in which a conductive layer is formed on a metal fine electrode pattern, which has excellent surface characteristics and excellent electrical characteristics.
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Abstract
Description
면저항(Ω/□) | 투과율(%) | 헤이즈(%) | 표면조도(nm) | |
실시예 1 | 8.1 | 79.6 | 1.71 | 64 |
실시예 2 | 7.8 | 77.3 | 1.80 | 58 |
실시예 3 | 6.0 | 73.7 | 1.52 | 30 |
실시예 4 | 5.5 | 78.7 | 1.39 | 28 |
실시예 5 | 3.9 | 81.3 | 1.62 | 35 |
비교예 1 | 47 | 88.3 | 1.40 | 100 |
면저항 (Ω/□) | 투과율 (%) | 헤이즈 (%) | 표면조도 (nm) | |||||||||
ITO 증착 | 변화율(%) | ITO 증착 | 변화율(%) | ITO 증착 | 변화율(%) | ITO 증착 | 변화율(%) | |||||
전 | 후 | 전 | 후 | 전 | 후 | 전 | 후 | |||||
실시예 4 | 34 | 5.5 | -84 | 89.2 | 78.7 | -12 | 1.40 | 1.39 | -0.7 | 47 | 28 | -40 |
비교예 2 | 3.8 | 1.7 | -55 | 0.2 | 0.3 | 50 | 11.11 | 10.00 | -10 | 22.9 | 18.0 | -21 |
면저항 (Ω/□) | 투과율 (%) | 헤이즈 (%) | 표면조도 (nm) | |||||||||
에칭 | 변화율(%) | 에칭 | 변화율(%) | 에칭 | 변화율(%) | 에칭 | 변화율(%) | |||||
전 | 후 | 전 | 후 | 전 | 후 | 전 | 후 | |||||
실시예 4 | 3.8 | 31 | 715 | 0.2 | 88.8 | 44300 | 11.11 | 1.48 | -87 | 23 | 48 | 109 |
굽힘성(bending property)(Ω, 3000회, 10mm) | |||
전(R0) | 후(R) | [(R- R0)/ R0]x100 (%) | |
실시예 1 | 6.3 | 8.0 | 27 |
실시예 2 | 6.6 | 9.2 | 39 |
실시예 3 | 6.7 | 18.6 | 178 |
실시예 4 | 4.9 | 18.5 | 194 |
실시예 5 | 4.0 | 14.6 | 268 |
Claims (29)
- 홈을 갖는 기재의 상기 홈에 전도성 금속 잉크 조성물이 채워지도록 충진하는 잉크 조성물 충진단계;상기 전도성 금속 잉크 조성물이 상기 홈에 충진되면서 상기 기재의 표면 상에 남아있는 잔류 전도성 금속 잉크 조성물을 상기 홈에 채워지도록 충진하여 전극 패턴을 형성하는 잔류 잉크 조성물 충진단계; 및상기 전극 패턴 상에 전도성 물질이 포함된 전도층을 형성하는 전도층 형성단계;를 포함하는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 1항에 있어서,상기 전도성 금속 잉크 조성물은 금속 착제 화합물, 금속 전구체, 구형 금속입자, 금속 플레이크, 나노 입자 또는 나노와이어 중 적어도 하나를 포함하는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 1항에 있어서,상기 잉크 조성물 충진단계는, 잉크젯 방법, 평판 스크린법, 스핀 코팅법, 바 코터법, 롤 코팅법, 플로우 코팅법, 닥터 블레이드, 디스펜싱, 그라비아 프린팅법 또는 플렉소 프린팅법으로 상기 전도성 금속 잉크 조성물이 채워지는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 1항에 있어서,상기 잔류 잉크 조성물 충진단계는 상기 잉크 조성물 충진단계에서 상기 전도성 잉크 조성물이 상기 홈에 충진되면서 상기 표면 상에 남아있는 상기 잔류 전도성 금속 잉크 조성물을 에칭액으로 용해시켜, 용해된 상기 잔류 전도성 금속 잉크 조성물이 상기 홈에 채워지는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 4항에 있어서,상기 에칭액은 상기 기재 표면에 도포되어 상기 잔류 전도성 금속 잉크 조성물을 용해시키는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 5항에 있어서,상기 에칭액은 평판 스크린법, 스핀 코팅법, 롤 코팅법, 플로우 코팅법, 닥터 블레이드, 그라비아 프린팅법 또는 플렉소 프린팅법으로 도포되는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 4항에 있어서,상기 에칭액은 암모늄 카바메이트계열, 암모늄 카보네이트계열, 암모늄 바이카보네이트계열, 카르복실산 계열, 락톤 계열, 락탐 계열, 환상 산 무수물 계열 화합물, 산-염기 염복합체, 산-염기-알코올계 복합체 또는 머캡토 계열 화합물 중 적어도 하나 및 산화제를 포함하는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 4항에 있어서,상기 에칭액에 의해 용해된 상기 잔류 전도성 금속 잉크 조성물을 상기 홈으로 밀어넣음으로써, 상기 홈에 상기 잔류 전도성 금속 잉크 조성물이 채워지는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 4항에 있어서,상기 에칭액에 의해 용해된 상기 잔류 전도성 금속 잉크 조성물은 닥터 블레이드 또는 브러쉬를 이용하여 상기 홈으로 밀어넣는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 1항에 있어서,상기 전도성 물질은 금속 산화물, CNT, 그래핀 또는 전도성 고분자인 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 1항에 있어서,상기 전도층은 상기 전도성 물질을 증착 또는 프린팅하여 형성되는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 1항에 있어서,상기 전도층의 두께는 상기 홈의 높이 대비 0.5 내지 2.0배인 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 표면에 홈이 형성된 기재가 마련되고, 상기 기재의 표면을 소수성으로 플라즈마 처리하는 기재 표면 처리단계;상기 홈이 전도성 금속 잉크 조성물로 채워지도록 충진하는 잉크 조성물 충진단계;상기 홈이 충진되면서 상기 표면 상에 남아있는 잔류 전도성 금속 잉크 조성물을 상기 홈에 채워지도록 충진하여 전극 패턴을 형성하는 잔류 잉크 조성물 충진단계; 및상기 전극 패턴 상에 전도성 물질이 포함된 전도층을 형성하는 전도층 형성단계;를 포함하는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 13항에 있어서,상기 전도성 금속 잉크 조성물은 금속 착제 화합물, 금속 전구체, 구형 금속입자, 금속 플레이크, 나노 입자 또는 나노와이어 중 적어도 하나를 포함하는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 13항에 있어서,상기 잔류 잉크 조성물 충진단계는 상기 잉크 조성물 충진단계에서 상기 홈이 충진되면서 상기 표면 상에 남아있는 상기 잔류 전도성 금속 잉크 조성물을 에칭액으로 용해시켜 용해된 상기 잔류 전도성 금속 잉크 조성물이 상기 홈에 채워지는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 15항에 있어서,상기 에칭액에 의해 용해된 상기 잔류 전도성 금속 잉크 조성물을 닥터 블레이드 또는 브러쉬를 이용하여 상기 홈으로 밀어넣음으로써, 상기 홈에 상기 잔류 전도성 금속 잉크 조성물이 채워지는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 13항에 있어서,상기 전도층은 금속 산화물, CNT, 그래핀 또는 전도성 고분자를 증착 또는 프린팅하여 형성되는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 표면에 홈이 형성된 기재가 마련되고, 상기 홈이 전도성 금속 잉크 조성물로 채워지도록 충진하는 제 1 잉크 조성물 충진단계;상기 홈이 충진되면서 상기 표면 상에 남아있는 잔류 전도성 금속 잉크 조성물을 상기 홈에 채워지도록 충진하여 전극 패턴을 형성하는 제 1 잔류 잉크 조성물 충진단계;상기 홈이 전도성 금속 잉크 조성물로 채워지도록 충진하는 제 2 잉크 조성물 충진단계;상기 홈이 충진되면서 상기 표면 상에 남아있는 잔류 전도성 금속 잉크 조성물을 상기 홈에 채워지도록 충진하여 전극 패턴을 형성하는 제 2 잔류 잉크 조성물 충진단계; 및상기 전극 패턴 상에 전도성 물질이 포함된 전도층을 형성하는 전도층 형성단계;를 포함하는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 18항에 있어서,상기 전도성 금속 잉크 조성물은 금속 착제 화합물, 금속 전구체, 구형 금속입자, 금속 플레이크, 나노 입자 또는 나노와이어 중 적어도 하나를 포함하는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 19항에 있어서,상기 금속 전구체는 MnX이고,여기서 M은 Ag, Au, Cu, Ni, Co, Pd, Ti, V, Mn, Fe, Cr, Zr, Nb, Mo, W, Ru, Cd, Ta, Re, Os, Ir, Al, Ga, Ge, In, Sn, Sb, Pb 또는 Bi 중 하나이고 n은 1내지 10의 정수이며, X는 산소, 황, 할로겐, 시아노, 시아네이트, 카보네이트, 니트레이트, 나이트레이트, 설페이트, 포스페이트, 티오시아네이트, 클로레이트, 피클로레이트, 테트라플포로 보레이트, 아세틸아세토네이트, 머캡토, 아미드, 알콕사이드 또는 카복시레이트 중 하나인 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 18항에 있어서,상기 전도층은 상기 전도성 물질을 증착 또는 프린팅하여 형성되는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 18항에 있어서,상기 전도층는 10 내지 500nm의 두께로 형성되는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 표면에 홈이 형성된 기재가 마련되고, 상기 홈이 전도성 금속 잉크 조성물로 채워지도록 충진하는 잉크 조성물 충진단계;상기 홈이 충진되면서 상기 표면 상에 남아있는 잔류 전도성 금속 잉크 조성물을 상기 홈에 채워지도록 충진하여 전극 패턴을 형성하는 잔류 잉크 조성물 충진단계;상기 전극 패턴을 50 내지 200℃의 분위기에서 소성하는 소성단계; 및상기 전극 패턴 상에 전도성 물질이 포함된 전도층을 형성하는 전도층 형성단계;를 포함하는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 23항에 있어서,상기 잔류 잉크 조성물 충진단계를 2회 이상 반복하여 실시하는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 23항에 있어서,상기 잔류 잉크 조성물 충진단계는 상기 잉크 조성물 충진단계에서 상기 홈이 충진되면서 상기 표면 상에 남아있는 상기 잔류 전도성 금속 잉크 조성물을 에칭액으로 용해시켜 용해된 상기 잔류 전도성 금속 잉크 조성물이 상기 홈에 채워지는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 제 25항에 있어서,상기 에칭액은 평판 스크린법, 스핀 코팅법, 롤 코팅법, 플로우 코팅법, 닥터 블레이드, 그라비아 프린팅법 또는 플렉소 프린팅법으로 상기 기재 표면 전면에 도포되어 잔류 전도성 금속 잉크 조성물을 용해시키는 것을 특징으로 하는 하이브리드 투명전극의 제조방법.
- 메쉬 형태로 홈이 형성된 기재부;상기 홈이 전도성 금속 잉크 조성물로 채워진 금속 메시 전극;상기 금속 메시 전극 상에 형성된 금속산화물층;을 포함하는 것을 특징으로 하는 하이브리드 투명전극.
- 제 27항에 있어서,상기 전도성 금속 잉크 조성물은 금속 착제 화합물, 금속 전구체, 구형 금속입자, 금속 플레이크, 나노 입자 또는 나노와이어 중 적어도 하나를 포함하는 것을 특징으로 하는 하이브리드 투명전극.
- 제 27항에 있어서,상기 금속산화물층은 산화주석, 산화인듐주석, 산화안티몬주석, 산화인듐갈륨, 산화인듐아연 또는 산화아연을 포함하는 것을 특징으로 하는 하이브리드 투명전극.
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KR101636064B1 (ko) * | 2015-02-23 | 2016-07-06 | (주)뉴옵틱스 | 터치패널용 센서시트 |
JP6496775B2 (ja) * | 2017-05-18 | 2019-04-03 | 田中貴金属工業株式会社 | 金属配線を備える導電基板、及び、該導電基板の製造方法 |
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JP7120890B2 (ja) * | 2018-11-16 | 2022-08-17 | 田中貴金属工業株式会社 | 金属配線を備える導電基板及び該導電基板の製造方法、並びに金属配線形成用の金属インク |
CN110162220B (zh) * | 2019-05-28 | 2022-10-18 | 业成科技(成都)有限公司 | 触控装置及其制作方法 |
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KR102710204B1 (ko) | 2022-07-08 | 2024-09-25 | 전북대학교산학협력단 | 비이송식, 이송식 및 혼성식 모드 운전이 가능한 역극성 공동형 플라즈마 토치 |
CN116301442A (zh) * | 2023-05-24 | 2023-06-23 | 浙江大华技术股份有限公司 | 银纳米线触控电极单元及其制备方法和应用 |
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US9524046B2 (en) | 2016-12-20 |
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US20160132141A1 (en) | 2016-05-12 |
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CN105393314B (zh) | 2017-05-17 |
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