WO2014148878A1 - 전도성 패턴 적층체 및 이를 포함하는 전자 장치 - Google Patents
전도성 패턴 적층체 및 이를 포함하는 전자 장치 Download PDFInfo
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- WO2014148878A1 WO2014148878A1 PCT/KR2014/002468 KR2014002468W WO2014148878A1 WO 2014148878 A1 WO2014148878 A1 WO 2014148878A1 KR 2014002468 W KR2014002468 W KR 2014002468W WO 2014148878 A1 WO2014148878 A1 WO 2014148878A1
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- layer
- conductive
- protrusion
- groove
- conductive pattern
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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
-
- 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
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
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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
- G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1643—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being associated to a digitizer, e.g. laptops that can be used as penpads
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0296—Conductive pattern lay-out details not covered by sub groups H05K1/02 - H05K1/0295
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
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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
- 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
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/032—Materials
- H05K2201/0326—Inorganic, non-metallic conductor, e.g. indium-tin oxide [ITO]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0104—Tools for processing; Objects used during processing for patterning or coating
- H05K2203/0108—Male die used for patterning, punching or transferring
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0014—Shaping of the substrate, e.g. by moulding
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/14—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using spraying techniques to apply the conductive material, e.g. vapour evaporation
- H05K3/16—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using spraying techniques to apply the conductive material, e.g. vapour evaporation by cathodic sputtering
Definitions
- the present application relates to a conductive pattern laminate and an electronic device including the same.
- a display device is a term referring to a TV or a computer monitor, and includes a display element for forming an image and a case for supporting the display element.
- Touch screens having the above functions may be classified as follows according to a signal detection method.
- a resistive type that senses a position pressed by pressure in a state in which a DC voltage is applied through a change in current or a voltage value, and a capacitance coupling in which an AC voltage is applied
- a capacitive type and an electromagnetic type for sensing a selected position as a change in voltage in the state of applying a magnetic field.
- the present application provides a conductive pattern laminate and an electronic device including the same.
- a substrate having a groove or a protrusion on an upper surface thereof;
- the conductive film provided on the upper surface of the groove or the protrusion of the substrate and the conductive film provided on the portion of the upper surface of the substrate where no groove or the protrusion is present provide an electrically conductive pattern laminate.
- the edge portion of the substrate is a decoration portion
- the center portion surrounded by the decoration portion is an effective screen portion
- the groove portion or the protruding portion of the upper surface of the substrate does not exist.
- the provided conductive film includes two or more patterns electrically disconnected from each other by the groove part or the protrusion, and at least some of the two or more patterns are provided on the effective screen part, and are provided on the decoration part and the effective screen.
- a conductive pattern stack comprising a router area electrically connecting the area with a voltage application.
- Another embodiment of the present application provides a conductive pattern laminate having an additional conductive layer on the router region of the conductive film provided in the decoration unit.
- the conductive film provided in the portion where the groove portion or the protrusion does not exist by the groove portion or the protrusion portion may be formed.
- a conductive pattern stack that is electrically disconnected from a voltage applying section.
- Another embodiment of the present application provides a conductive pattern laminate provided with an additional conductive layer between the router region of the conductive film and the decoration layer or on an upper surface of the decoration layer.
- Another exemplary embodiment of the present application provides a conductive pattern laminate provided with an additional conductive layer between a conductive film provided on the decoration part and the decoration layer or on an upper surface of the decoration layer.
- the upper surface of the router layer of the conductive layer of the decoration layer, and the portion provided on the upper surface of the conductive film electrically disconnected from the voltage application portion by the groove portion or the projection portion, disconnected with a fine line width It provides a conductive pattern laminate provided in a fine pattern.
- the region provided as the fine pattern may further include a dummy pattern.
- Another embodiment of the present application provides an electronic device including one or more conductive pattern laminates described above.
- It provides a method of manufacturing a conductive pattern laminate comprising the step of forming a conductive film in the entire area of the upper surface of the substrate to a thickness less than the depth of the groove portion or the height of the protrusion.
- the method of manufacturing a conductive pattern laminate may include protecting a portion except an edge of a substrate on which the conductive film is formed with a protective film; And forming an additional conductive layer at the edge portion.
- the method of manufacturing the conductive pattern laminate may further include forming a decoration layer on the additional conductive layer.
- the manufacturing method of the conductive pattern laminate may further include removing the protective film.
- an electrically disconnected conductive pattern may be formed using the height difference on the surface of the substrate according to the groove or protrusion on the substrate.
- the conductive pattern can be formed only by forming the conductive film on the entire area of the upper surface of the substrate without having to remove a part of the conductive film, the process is very easy and economical. There is also a great effect.
- the conductive film is formed on the entire area of the upper surface of the substrate, alignment is not necessary when forming the router portion.
- the surface of the pattern may be roughened or a part of the pattern may be lost in the etching or resist removing process. In this case, the haze may be increased.
- the etching or resist removing process may be performed. Since it does not include, it can provide excellent optical properties. In addition, there is only a slight height difference on the surface, and the material is applied to the entire area, not the pattern, so that the pattern is not visually noticeable.
- an index matching layer required by the existing ITO sensor is not provided separately, and at the same time, no separate alignment is required when forming a wiring unit such as a router unit.
- the screen portion and the wiring portion can be formed simultaneously.
- FIG. 1 and 2 show a cross-sectional schematic diagram of a conductive pattern laminate according to an embodiment of the present application.
- Figure 3 illustrates the pattern form of the conductive film of the conductive pattern laminate according to one embodiment of the present application.
- Figure 4 shows a schematic diagram of a process for producing a conductive pattern laminate in accordance with an embodiment of the present application.
- 5 to 9 are views showing the form of a pattern including a groove or a protrusion as an exemplary embodiment of the present application.
- FIG. 10 is a view illustrating a form of a pattern including a groove part or a protrusion part as an exemplary embodiment of the present application.
- FIG. 11 is a view illustrating a shape of a pattern including a groove part or a protrusion part according to Comparative Example 1.
- the patterning process of the ITO screen portion and the wiring portion process are performed separately, and a pattern is formed by wet etching, thereby concealing the pattern. It is common to compensate for this through an additional index matching layer due to deterioration of the property.
- the complexity of this process and the provision of an additional index matching layer contribute to the increase of raw material cost of the ITO film itself and the yield reduction due to the process, and finally the alignment process of the wiring part and the screen part. Due to this necessity, problems such as introduction of a unit sheet process for securing dimensional stability, limitation of roll film width, limitation of spacing between cells (position constraint), and the like occur.
- a dry process such as an ITO deposition process is performed to use a step generated during an imprinting process.
- a step generated during an imprinting process is formed.
- a batch electrical circuit can be implemented without an additional wiring patterning process, and a sensor can be configured in a state in which ITO is deposited on the front surface thereof. It has the advantage of not requiring a separate layer like a layer).
- the present application has a high advantage in yield because the difficulty of the process compared to the existing process is greatly reduced.
- the substrate having a groove or a protrusion on the upper surface; And a conductive film provided on an upper surface of the groove or protrusion of the substrate and a portion of the upper surface of the substrate where no groove or protrusion is present, and a conductive film provided on the upper surface of the groove or protrusion of the substrate and the upper surface of the substrate.
- the conductive membranes provided in the grooves or the portions where the protrusions do not exist are electrically disconnected from each other.
- the conductive pattern may be formed without the need for removing an additional pattern or using a printing method in a pattern form simply by forming a conductive film on the entire surface of the substrate.
- the conductive film is electrically disconnected in a specific pattern form by the step on the substrate surface.
- the depth of the groove or the height of the protrusion may be adjusted to be larger than the thickness of the conductive film.
- the grooves may all have the same depth, but the grooves may include two or more grooves having different depths.
- all of the protrusions may be the same height, but the protrusions may include two or more protrusions having different heights.
- the taper angle of the grooves or protrusions can be adjusted to an appropriate value.
- the width, thickness, and the like of the conductive film can be appropriately selected by those skilled in the art to suit the purpose. More specifically, the thickness of the conductive film may be 0.1 to 100nm, 1 to 50nm, but is not limited thereto.
- the width or depth of the groove portion, the width or height of the protrusions, etc. can be appropriately selected by those skilled in the art to suit the purpose. More specifically, the depth of the groove portion or the height of the protrusion may be 0.1 to 30 ⁇ m, but is not limited thereto. When the depth of the groove or the height of the protrusion is less than 0.1 ⁇ m, it is possible that an electrical short may occur due to the occurrence of unwanted connection of the conductive film or the metal layer in the groove or the protrusion in a process of forming the conductive film or the metal layer later. have.
- the thickness of the OCA is generally 50 to 100 ⁇ m during the subsequent OCA (Optical Clear Adhesive) lamination process, so that the groove portion or the protrusion portion is not sufficiently covered. There is a possibility that bubbles or the like are trapped and the pattern is recognized.
- the width, height, and the like of the groove or the protrusion may be selected in consideration of the taper angle of the groove or the protrusion.
- the taper angle of the groove portion or the protrusion may be 60 degrees or more and 80 degrees or more, but is not limited thereto.
- the taper angle is 60 degrees or more and close to 90 degrees or forms a reverse taper angle, it may be advantageous to cause breakage of the conductive film in grooves or protrusions during the conductive material deposition process.
- the effect according to the present application when the taper angle is 60 degrees or more or the region forming the reverse taper angle exists only in a partial region, that is, a partial region of the pattern step portion based on the cross section of the pattern including the groove portion or the protrusion portion.
- the depth of the groove portion or the height of the protrusion portion is preferably larger than the thickness of the conductive film, and may be, for example, 0.2 ⁇ m or more, but is not limited thereto. .
- the groove portion or the protrusion portion is provided in a form of separating the conductive film provided on the portion of the upper surface of the substrate where the groove portion or the protrusion portion does not exist in two or more patterns electrically disconnected from each other.
- FIG. 1 illustrates an example in which conductive films are separated into two or more patterns electrically disconnected from each other by grooves.
- the substrate may be a resin substrate.
- the resin substrate may be manufactured using a UV curable resin or a thermosetting resin.
- a resin substrate having grooves or protrusions can be manufactured using an imprinting method. More specifically, the resin substrate may be used directly after manufacturing the master, or may be used by replicating with a soft mold.
- thermosetting resin may include at least one selected from the group consisting of alkoxysilane reactants, urethane reactor compounds, urea reactor compounds, esterification reactants, and the like, capable of a sol-gel reaction.
- the thermosetting resin may further include other additives such as fluorine-based compounds.
- the alkoxysilane reactant refers to a reactive oligomer prepared by hydrolyzing and condensing the alkoxysilane, fluorine alkoxysilane, silane-based organic substituent, etc. by sol-gel reaction under water and catalytic conditions.
- the weight average molecular weight of the reactive oligomer may be 1,000 to 200,000 when the polystyrene is measured as a standard by GPC.
- the alkoxysilane reactant thus prepared is subjected to a condensation reaction under a temperature condition of room temperature or more after coating to form a crosslinked network.
- the alkoxysilane may be a tetraalkoxysilane or a trialkoxysilane system, and tetramethoxysilane, tetraethoxysilane, tetraisopropoxysilane, methyltrimethoxysilane, methyltriethoxysilane, glycidoxypropyl
- trimethoxysilane and glycidoxypropyl triethoxysilane can be used, but are not limited to these examples.
- the fluorine alkoxysilane may be used one or two or more materials selected from the group consisting of tridecafluorooctyltriethoxysilane, heptadecafluorodecyltrimethoxysilane and heptadecafluorodecyltriisopropoxysilane, It is not limited only to these examples.
- the silane-based organic substituent may be used without limitation as long as it is a compound capable of chemically bonding with the alkoxysilane and having compatibility and reactivity with a high refractive material.
- the silane-based organic substituents include vinyl trimethoxy silane, vinyl tri (beta-methoxyethoxy) silane, vinyl triethoxy silane, vinyl tri-n-propoxy silane, vinyl tri-n-pentoxy silane, and vinylmethyl Dimethoxy silane, diphenyl ethoxy vinylsilane, vinyl triisopropoxy silane, divinyl di (beta-methoxyethoxy) silane, divinyl dimethoxy silane, divinyl diethoxy silane, divinyl di-n-pro Foxy silane, divinyl di (isopropoxy) silane, divinyl di-n-pentoxy silane, 3-acryloxypropyl trimethoxy silane, 3-methacryloxypropyl trimethoxy silane
- the alkoxysilane reactant may be prepared through a sol-gel reaction.
- the sol-gel reaction may use a method commonly used in the art.
- the sol-gel reaction may be performed by reacting a composition containing an alkoxysilane, a fluorine alkoxysilane, a silane-based organic substituent, a catalyst, water, and an organic solvent at a reaction temperature of 20 to 150 ° C. for 1 to 100 hours.
- the catalyst used in the sol-gel reaction is a component necessary for controlling the sol-gel reaction time.
- the catalyst may be an acid such as nitric acid, hydrochloric acid, sulfuric acid, and acetic acid, and may be used in the form of hydrochloride, nitrate, sulfate, and acetate along with salts such as zirconium and indium.
- Water used in the sol-gel reaction is a component necessary for the hydrolysis reaction and the condensation reaction.
- the organic solvent used for the sol-gel reaction is a component for appropriately adjusting the molecular weight of the hydrolyzed condensate.
- the organic solvent is preferably alcohols, cellosolves, ketones or two or more mixed solvents selected from these.
- the urethane reactor compound may be prepared by reacting an alcohol and an isocyanate compound under a metal catalyst. After coating the substrate with a coating solution of a mixture of a polyfunctional alcohol including two or more functional groups, a polyfunctional isocyanate and a metal catalyst, the substrate may be formed at a temperature higher than or equal to room temperature to form a mesh structure having a urethane reactor.
- polyfunctional alcohols examples include 1H, 1H, 4H, 4H-perfluoro-1,4-butanediol, 1H, 1H, 5H, 5H-perfluoro-1,5-pentanediol, 1H, 1H, 6H, 6H-perfluoro-1,6-hexanediol, 1H, 1H, 8H, 8H-perfluoro-1,8-octanediol, 1H, 1H, 9H, 9H-perfluoro-1,9-nonanediol , 1H, 1H, 10H, 10H-perfluoro-1,10-decanediol, 1H, 1H, 12H, 12H-perfluoro-1,12-dodecanediol, fluorinated triethylene glycol, fluorine Lined tetraethylene glycol and the like, but is not limited thereto.
- Examples of the isocyanate component used in the production of the urethane reactor compound include aliphatic isocyanates, alicyclic isocyanates, aromatic isocyanates, and heterocyclic isocyanates.
- diisocyanate such as hexamethylene diisocyanate, 1,3,3-trimethyl hexamethylene diisocyanate, isophorone diisocyanate, toluene-2,6-diisocyanate, 4,4'-dicyclohexane diisocyanate, or 3 Functional or more isocyanates, such as DN950, DN950, DN980, etc., can be used.
- a catalyst may be used in the preparation of the urethane reactor compound, and Lewis acid or Lewis base may be used as the catalyst.
- Specific examples of the catalyst include buty octylate, dibutyltin diacetate, dibutyltin dilaurate, dibutyltin mercaptide, dibutyltin dimaleate, dimethyltin hydroxide and triethylamine. It is not limited.
- the urea reactor compound may be prepared by the reaction of amines and isocyanates. Isocyanates may be used the same components as the components that can be used in the production of the urethane reactor compound, amines can be used bifunctional or more than the bifunctional amines.
- a catalyst may be used if necessary, and Lewis acid or Lewis base may be used as the catalyst. Specific examples of the catalyst include buty octylate, dibutyltin diacetate, dibutyltin dilaurate, dibutyltin mercaptide, dibutyltin dimaleate, dimethyltin hydroxide and triethylamine. It is not limited.
- the esterification reactant is obtained by dehydration and condensation of an acid and an alcohol, and when the esterification reactant is also mixed in a coating solution, a crosslinked structure may be formed.
- the acid it is preferable to use a bifunctional or higher acid containing fluorine, and examples of the bifunctional or higher acid containing fluorine include perfluorosucinic acid and perfluoroglutaric acid. , Perfluoroadipic acid, perfluorosuberic acid, perfluoroazelaic acid, perfluorosebacic acid, perfluorolauric acid Etc.
- a polyfunctional alcohol examples include 1,4-butanediol, 1,2-butanediol, 1,5-pentanediol, 2,4-pentanediol, and 1,4- Cyclohexanediol, 1,6-hexanediol, 2,5-hexanediol, 2,4-heptanediol, pentaerythritol, and trimetholpropane.
- an acid catalyst such as sulfuric acid or an alkoxy titanium such as tetrabutoxy titanium may be used. However, it is not necessarily limited to these.
- UV curable resin a material for photoresist known in the art may be used, and a novolak resin may be used.
- the UV curable resin may be an acrylate resin, a urethane acrylate resin, or the like. More specifically, there are acrylate monomers, urethane acrylate oligomers, epoxy acrylate oligomers, ester acrylate oligomers and the like, and specific examples thereof include dipentaerythritol hexaacrylate, pendaerythritol tri / tetra acrylate, trimethylene propane triacrylic, and the like. Elate, ethylene glycol diacrylate and the like, but is not limited to these examples. Fluorine acrylate can also be used as said acrylate resin.
- the UV curable resin may use a photoinitiator and an organic solvent together.
- the photoinitiator preferably uses a compound capable of decomposing to ultraviolet light, and examples thereof include 1-hydroxy cyclohexyl phenyl ketone, benzyl dimethyl ketal, hydroxydimethylacetophenone, benzoin, benzoin methyl ether, or benzoin ethyl ether. , Benzoin isopropyl ether, benzoin butyl ether, and the like, but is not limited thereto.
- the organic solvent is preferably alcohols, acetates, ketones, or aromatic solvents.
- the UV curable resin may further include a surfactant, fine particles and the like depending on the use thereof.
- an additional support substrate may be provided on the upper and / or lower surface of the substrate as necessary.
- the support substrate may use a material known in the art, and more specifically, a glass substrate, a plastic substrate, or the like may be used.
- the substrate may be a transparent substrate
- the conductive film may be a transparent conductive film
- the transparent conductive film may include a transparent conductive oxide.
- the transparent conductive oxide may be indium (In), tin (Sn), zinc (Zn), gallium (Ga), cerium (Ce), cadmium (Cd), magnesium (Mg), beryllium (Be), silver (Ag), Molybdenum (Mo), Vanadium (V), Copper (Cu), Iridium (Ir), Rhodium (Rh), Ruthenium (Ru), Tungsten (W), Cobalt (Co), Nickel (Ni), Manganese (Mn) , At least one oxide selected from aluminum (Al) and lanthanum (La).
- the transparent conductive film provided on a portion of the upper surface of the transparent substrate that does not have a groove portion or protrusions includes at least two patterns electrically disconnected from each other by the groove portion or the protrusions, at least a portion of the two or more patterns It may have a form extending to the voltage applying unit.
- the edge portion of the transparent substrate is a decoration portion
- the center portion surrounded by the decoration portion is an effective screen portion
- a portion of the upper surface of the transparent substrate where no groove or protrusion is present is not present.
- the provided transparent conductive film includes two or more patterns electrically disconnected from each other by the groove portion or the protrusion, and at least some of the two or more patterns are provided on the effective screen portion, and the decoration portion is provided on the effective portion. It may include a router area for electrically connecting the screen area with the voltage applying unit.
- FIG 3 illustrates the pattern form of the conductive film of the conductive pattern laminate according to the exemplary embodiment of the present application.
- an additional conductive layer may be provided on the router area of the transparent conductive film provided in the decoration part.
- the additional conductive layer can lower the sheet resistance.
- the additional conductive layer may be formed of a material having a higher electrical conductivity than the transparent conductive film.
- the additional conductive layer can be a metal layer. Among metals, those with high conductivity can be advantageously used.
- the additional conductive layer As the material of the additional conductive layer, a single film or a multilayer film including gold, silver, aluminum, copper, neodymium, molybdenum, nickel or alloys thereof may be used, but is not limited thereto. It is not.
- the thickness of the additional conductive layer is not particularly limited, but may be 0.01 to 10 ⁇ m, 0.01 to 1 ⁇ m, and having such a range is preferable in view of the conductivity of the conductive film and the economics of the forming process.
- FIG. 2 illustrates an example in which an additional conductive layer is formed in a decoration part.
- the height of the groove or the protrusion may be adjusted to be greater than the sum of the height of the transparent conductive film and the height of the additional conductive layer so as to maintain electrical disconnection by the groove or protrusion.
- the transparent conductive film may be provided on the entire area of the upper surface of the transparent substrate.
- the transparent conductive film provided at the portion where the groove or the protrusion does not exist by the groove portion or the protrusion is electrically disconnected from the voltage applying portion. It may have a structure.
- the decoration layer is provided on the entire area of the upper surface of the transparent conductive film provided in the decoration portion.
- the depth of the groove portion or the height of the protrusion may be adjusted to be larger than the sum of the thickness of the transparent conductive film and the thickness of the decoration layer in order to maintain electrical disconnection by the groove or protrusion.
- An additional conductive layer may be provided between the router region of the transparent conductive film and the decoration layer or on an upper surface of the decoration layer.
- the role of the additional conductive layer is as described above.
- the depth of the groove or the height of the protrusion may be adjusted to be larger than the sum of the thickness of the transparent conductive film, the thickness of the additional conductive layer and the thickness of the decoration layer. Can be.
- the additional conductive layer can be a metal layer.
- the decoration layer may be composed of a darkening layer of the metal layer.
- an additional conductive layer may be provided between the transparent conductive film provided in the entire decoration part and the decoration layer or on the upper surface of the decoration layer. It is advantageous in the process, since only the effective screen portion can protect the protective layer and form the conductive layer over the remaining portion, without having to separately prepare a pattern of the additional conductive layer.
- the depth of the groove or the height of the protrusion may be adjusted to be greater than the sum of the thickness of the transparent conductive film, the thickness of the additional conductive layer and the thickness of the decoration layer. Can be.
- the additional conductive layer can be a metal layer.
- the decoration layer may be composed of a darkening layer of the metal layer.
- a portion of the decoration layer provided on the upper surface of the router region of the transparent conductive film and the upper surface of the transparent conductive film electrically disconnected from the voltage applying portion by the groove portion or the protruding portion is disconnected with a fine disconnection width. It can be provided in a fine pattern.
- the region provided as the fine pattern may further include a dummy pattern.
- the electronic device may be a touch screen, an organic light emitting diode, an organic light emitting diode lighting, or the like.
- the touch screen may include only one conductive pattern laminate as described above, but may also include a form in which two or more of the touch screens are stacked in the same direction or in opposite directions. At this time, an insulating layer or an optical adhesive layer may be used as needed.
- the electronic device may be a decoration integrated touch panel.
- the metal layer provided on the router area may serve as an antenna by modifying its structure, shape, and the like.
- the organic light emitting device or the organic light emitting device illumination may include the aforementioned conductive pattern laminate as a transparent electrode.
- Another embodiment of the present application provides a method of manufacturing the aforementioned conductive pattern laminate.
- the method includes the steps of preparing a substrate including a groove or a protrusion; And forming a conductive film on the entire area of the upper surface of the substrate to a thickness smaller than the depth of the groove or the height of the protrusion.
- the preparing of the substrate including the grooves or protrusions may include forming a resin layer on the substrate and forming grooves or protrusions in the resin layer by using a soft mold and an imprinting method. Can be performed.
- the soft mold may use those known in the art. In particular, a high step pattern forming method using a negative type photoresist can be used.
- a glass master mold may be manufactured using a dry or wet etching process, and a soft mold may be manufactured using the master mold.
- the resin layer may include a thermosetting resin or a UV curable resin.
- the method includes the steps of: protecting the portion except the edge of the substrate on which the conductive film is formed with a protective film; And forming an additional conductive layer at the edge portion.
- the protective film may be a shadow mask, or a protective film or a photoresist may be used.
- the method may further include forming a decoration layer on the additional conductive layer.
- the method may further include removing the protective layer.
- the decoration layer is not particularly limited as long as it can give a visual aesthetic.
- the said decoration layer can be formed as a darkening layer.
- the darkening layer is formed on a touch screen having the same configuration except that the reflective diffraction intensity of the reflective diffraction image obtained by irradiating light from a point light source on one surface thereof is visible, except that the metal layer is made of Al and does not include a darkening layer. It may be reduced by 60% or more. Here, the reflective diffraction intensity may be reduced by 60% or more, and may be reduced by 70% or more, compared to a touch screen having the same configuration except that the metal layer is made of Al and does not include a darkening layer. More than 80%. For example, it may be 60 to 70% reduced, 70 to 80% reduced, 80 to 85% reduced.
- the total reflectance may be reduced by 20% or more, and may be reduced by 25% or more, compared to a touch screen having the same configuration except that the metal layer is made of Al and does not include a darkening layer. It may be reduced by more than%. For example, it may be a 25 to 50% reduction.
- the darkening layer may be provided on the entire surface of the metal layer to reduce visibility due to high reflectivity of the metal layer.
- the darkening layer has an extinction interference and its own absorbance under a certain thickness condition when combined with a layer having high reflectivity such as a metal layer, the light reflected by the darkening layer and the light reflected by the metal layer through the darkening layer It is possible to reduce the reflectivity by the metal layer by adjusting the amounts of and similar to each other and at the same time by inducing mutual decay interference between two lights under specific thickness conditions.
- the color range of the pattern region consisting of the darkening layer and the metal layer, measured from the view of the darkening layer according to the present application L value is 20 or less, A value is -10 to 10, B based on the CIE LAB color coordinate
- the value can be -70 to 70, the L value can be 10 or less, the A value can be -5 to 5, the B value can be 0 to 35, the L value can be 5 or less, and the A value is -2 to 2, the B value May be 0 to 15.
- the total reflectance of the region consisting of the darkening layer and the metal layer, measured in view of the darkening layer according to the present application may be 17% or less, 10% or less, and 5% or less, based on external light 550 nm. Can be.
- the total reflectance means a reflectance in consideration of both a diffuse reflectance and a specular reflectance.
- the total reflectance is a value observed by measuring only the reflectivity of the surface to be measured after making the reflectance zero using a black paste or a tape on the opposite side of the surface to which the reflectance is to be measured.
- the incoming light source introduced a diffuse light source most similar to the ambient light condition.
- the measurement position which measures a reflectance at this time was based on the position inclined about 7 degree
- the darkening layer is provided on the additional conductive layer without interposing the adhesive layer or the adhesive layer.
- the adhesive layer or adhesive layer may affect durability or optical properties.
- the darkening layer may be formed of a single layer or may be formed of two or more layers.
- the darkening layer is close to the color of the achromatic system.
- it does not necessarily need to be achromatic, and even if it has color, it can be introduced if it has low reflectivity.
- the achromatic color means a color that appears when light incident on the surface of the object is not selectively absorbed and is evenly reflected and absorbed for the wavelength of each component.
- the darkening layer may use a material having a standard deviation of 50% of the total reflectance for each wavelength band when measuring the total reflectance in the visible light region (400 nm to 800 nm).
- the material of the darkening layer may be used as a light absorbing material, preferably a material made of a metal, a metal oxide, a metal nitride, or a metal oxynitride having the physical properties described above when the front layer is formed.
- the darkening layer may be an oxide film, a nitride film, an oxide-nitride film, a carbide film, a metal film, or a combination thereof according to deposition conditions set by those skilled in the art using Ni, Mo, Ti, Cr, or the like.
- the darkening layer may include Ni and Mo simultaneously.
- the darkening layer may include 50 to 98 atomic% of Ni and 2 to 50 atomic% of Mo, and may further include 0.01 to 10 atomic% of other metals such as Fe, Ta, and Ti.
- the darkening layer may further include 0.01 to 30 atom% of nitrogen or 4 atom% or less of oxygen and carbon.
- the darkening layer is selected from Fe, Co, Ti, V, Al, Cu, Au and Ag and a dielectric material selected from SiO, SiO 2 , MgF 2 and SiNx (x is an integer of 1 or more). It may include a metal, and may further include an alloy of two or more metals selected from Fe, Co, Ti, V, Al, Cu, Au and Ag.
- the dielectric material is distributed such that it gradually decreases away from the direction in which external light is incident, and the metal and alloy components are distributed in the opposite direction. At this time, the content of the dielectric material is 20 to 50% by weight, the content of the metal is preferably 50 to 80% by weight.
- the darkening layer further comprises an alloy
- the darkening layer preferably includes 10 to 30% by weight of the dielectric material, 50 to 80% by weight of the metal and 5 to 40% by weight of the alloy.
- the darkening layer may be formed of a thin film including at least one of an alloy of nickel and vanadium, an oxide of nickel and vanadium, nitride, and oxynitride.
- vanadium is preferably contained at 26 to 52 atomic%, and the atomic ratio of vanadium to nickel is preferably 26/74 to 52/48.
- the darkening layer may include a transition layer having two or more elements, and one elemental composition ratio increases by up to about 20% per 100 ohms according to the direction in which external light is incident.
- one element may be a metal element such as chromium, tungsten, tantalum, titanium, iron, nickel or molybdenum, and elements other than the metal element may be oxygen, nitrogen, or carbon.
- the darkening layer may include a first chromium oxide layer, a metal layer, a second chromium oxide layer, and a chromium mirror, wherein tungsten, vanadium, iron, chromium, molybdenum, and niobium may be substituted for chromium. It may include a metal selected from.
- the metal layer may have a thickness of 10 to 30 nm
- the first chromium oxide layer may have a thickness of 35 to 41 nm
- the second chromium oxide layer may have a thickness of 37 to 42 nm.
- a layered structure of an alumina (Al 2 O 3 ) layer, a chromium oxide (Cr 2 O 3 ) layer, and a chromium (Cr) layer may be used as the darkening layer.
- the alumina layer has an improvement in reflection characteristics and light diffusion prevention characteristics
- the chromium oxide layer may improve contrast characteristics by reducing mirror reflectance.
- the darkening layer may be provided on a surface side where the user visually recognizes the conductive pattern stack.
- the darkening layer may be provided on the upper surface of the metal layer, and may be provided between the conductive film and the metal layer in the conductive pattern laminate.
- the conductive pattern laminate may or may not further include an undercoat layer between the substrate and the conductive pattern.
- a transparent undercoat layer was formed on the substrate by a wet coating method or a vacuum stuttering method, and then a transparent conductive layer such as ITO was formed by a sputtering method. Meanwhile, as the use of capacitive touch panels has recently increased, low resistance and improved visibility of conductive patterns are required.
- the thickness of the conductive pattern should be thick. However, when the thickness of the conductive pattern is thick, the transmittance is lowered. In addition, when the thickness of the conductive pattern becomes thick, the visibility problem becomes more serious due to the difference in refractive index between the conductive pattern and the undercoat layer. As a result, the ITO layer is thickened to a certain thickness in order to lower the resistance value, and index matching is to minimize the difference in refractive index between the layers. For index matching, various undercoat layers having different refractive indices may be formed between the conductive pattern and the substrate so as to cancel the difference in refractive indices.
- the conductive pattern laminate according to the present application may include an additional undercoat layer to be suitable for the use, the characteristic, and the like.
- the undercoat layer may include at least one of a high refractive index undercoat and a low refractive index undercoat.
- the high refractive index undercoat and the low refractive index layer may be independently formed of various materials such as inorganic materials, organic materials, or mixtures of inorganic materials and organic materials.
- the inorganic material may be used, such as SiO 2, MgF 2, Al 2 O 3, NaF, Na 3 AlF 6, LiF, CaF 2, BaF 2, LaF 3, CeF 3.
- a melamine resin, an alkyd resin, a urethane resin, an acrylic resin, a siloxane polymer, an organic silane condensate, or the like may be used.
- the high refractive index undercoat layer may be a resin crosslinkable by a method such as thermosetting or ultraviolet curing after coating.
- the low refractive index undercoat layer may be a fluororesin, a thermosetting silica sol and a silica coating film by sputtering capable of crosslinking reaction.
- the high refractive index undercoat layer may be coated in the range of 1 ⁇ 21 ⁇ m thickness.
- the high refractive index undercoat layer may have a refractive index of 1.55 to 1.70.
- the low refractive index undercoat layer may have a refractive index of 1.30 to 1.46 and a thickness of 0.01 to 0.05 ⁇ m.
- the conductive film may be an opaque conductive film.
- the electronic device includes an organic thin film transistor, an organic light emitting device, an organic solar cell, an organic laser, an electromagnetic shielding film, a capacitor, a memory device, and the like.
- Another embodiment of the present application preparing a substrate including a groove portion or a protrusion; And forming a conductive film on the entire region of the upper surface of the substrate to a thickness smaller than the depth of the groove portion or the height of the protrusion portion.
- the description of the groove, the protrusion, the substrate, the conductive film, and the like are the same as described above, and thus a detailed description thereof will be omitted.
- the method of manufacturing a conductive pattern laminate may include: protecting a portion except for an edge of a substrate on which the conductive film is formed with a protective film; And forming an additional conductive layer at the edge portion.
- the method of manufacturing the conductive pattern laminate may further include forming a decoration layer on the additional conductive layer.
- the manufacturing method of the conductive pattern laminate may further include removing the protective film.
- FIG. 4 is a schematic view illustrating a process of manufacturing a conductive pattern laminate according to an exemplary embodiment of the present application.
- the novolak resin-based photoresist was spin-coated on a glass substrate to a thickness of about 10 ⁇ m, and then exposed using an i-line stepper to form a pattern including a groove or a protrusion.
- the shape of the pattern including the groove portion or the protrusion is shown in Figures 5 to 9 below. 5 to 9, since the taper angle of the groove portion or the pattern including the protrusion is about 90 degrees, when the conductive material is deposited on the groove or the pattern including the protrusion, the pattern including the groove or the protrusion By means of this, disconnection of the conductive film can be formed.
- the conductive film may be disconnected by the pattern including the groove or the protrusion.
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Abstract
Description
Claims (33)
- 상면에 홈부 또는 돌출부를 갖는 기판; 및상기 기판의 홈부 또는 돌출부의 상면과, 상기 기판의 상면 중 홈부 또는 돌출부가 존재하지 않는 부분에 구비된 전도성 막을 포함하고,상기 기판의 홈부 또는 돌출부의 상면에 구비된 전도성 막과 상기 기판의 상면 중 홈부 또는 돌출부가 존재하지 않는 부분에 구비된 전도성 막은 서로 전기적으로 단절된 것인 전도성 패턴 적층체.
- 청구항 1에 있어서, 상기 홈부의 깊이 또는 상기 돌출부의 높이는 상기 전도성 막의 두께보다 큰 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 1에 있어서, 상기 홈부의 깊이 또는 상기 돌출부의 높이는 0.1 내지 30㎛인 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 1에 있어서, 상기 홈부 또는 돌출부 중 적어도 일부의 테이퍼 각도는 60도 이상인 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 1에 있어서, 상기 홈부는 깊이가 서로 상이한 2 이상의 홈부를 포함하고,상기 돌출부는 높이가 서로 상이한 2 이상의 돌출부를 포함하는 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 1에 있어서, 상기 홈부 또는 상기 돌출부는 상기 기판의 상면 중 홈부 또는 돌출부가 존재하지 않는 부분에 구비된 전도성 막을 서로 전기적으로 단절된 2 이상의 패턴으로 분리하는 형태로 구비된 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 1에 있어서, 상기 기판은 수지 기판인 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 7에 있어서, 상기 수지 기판은 UV 경화형 수지 기판인 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 1에 있어서, 상기 기판의 상면 중 홈부 또는 돌출부가 존재하지 않는 부분에 구비된 전도성 막은 상기 홈부 또는 상기 돌출부에 의하여 서로 전기적으로 단절된 2 이상의 패턴을 포함하고,상기 2 이상의 패턴 중 적어도 일부는 전압인가부까지 연장된 형태를 갖는 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 1에 있어서, 상기 기판의 가장자리 부분은 데코레이션부이고, 상기 데코레이션부에 의하여 둘러싸인 중심 부분은 유효화면부인 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 10에 있어서, 상기 기판의 상면 중 홈부 또는 돌출부가 존재하지 않는 부분에 구비된 전도성 막은 상기 홈부 또는 상기 돌출부에 의하여 서로 전기적으로 단절된 2 이상의 패턴을 포함하고,상기 2 이상의 패턴 중 적어도 일부는 상기 유효화면부에 구비되는 유효화면 영역과, 상기 데코레이션부에 구비되고 상기 유효화면 영역을 전압인가부와 전기적으로 연결하는 라우터 영역을 포함하는 것인 전도성 패턴 적층체.
- 청구항 11에 있어서, 상기 데코레이션부에 구비된 전도성 막의 라우터 영역상에 추가의 전도성층이 구비된 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 12에 있어서, 상기 추가의 전도성층은 상기 전도성 막보다 전기 전도성이 높은 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 12에 있어서, 상기 추가의 전도성층은 금속층인 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 12에 있어서, 상기 홈부의 깊이 또는 상기 돌출부의 높이는 상기 전도성 막의 높이와 상기 추가의 전도성층의 높이의 합보다 큰 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 11에 있어서, 상기 전도성 막은 상기 기판의 상면의 전체 영역에 구비된 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 11에 있어서, 상기 기판의 상면의 데코레이션부 중 상기 라우터 영역들이 구비된 부분을 제외한 부분에서는, 상기 홈부 또는 돌출부에 의하여 상기 홈부 또는 돌출부가 존재하지 않는 부분에 구비된 전도성 막이 전압인가부와 전기적으로 단절되는 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 17에 있어서, 상기 데코레이션부에 구비된 전도성 막의 상면의 전체 영역 상에 데코레이션층이 구비된 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 18에 있어서, 상기 홈부의 깊이 또는 돌출부의 높이는 상기 전도성 막의 두께와 상기 데코레이션층의 두께의 합보다 더 큰 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 18에 있어서, 상기 전도성 막의 라우터 영역과 상기 데코레이션층 사이, 또는 상기 데코레이션층의 상면에는 추가의 전도성층이 구비된 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 20에 있어서, 상기 홈부의 깊이 또는 돌출부의 높이는 상기 전도성 막의 두께, 상기 추가의 전도성층의 두께 및 상기 데코레이션층의 두께의 합보다 더 큰 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 20에 있어서, 상기 추가의 전도성층은 금속층인 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 22에 있어서, 상기 데코레이션층은 상기 금속층의 암색화층인 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 17에 있어서, 상기 데코레이션부에 구비된 전도성 막과 상기 데코레이션층 사이, 또는 상기 데코레이션층의 상면에는 추가의 전도성층이 구비된 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 24에 있어서, 상기 홈부의 깊이 또는 돌출부의 높이는 상기 전도성 막의 두께, 상기 추가의 전도성층의 두께 및 상기 데코레이션층의 두께의 합보다 더 큰 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 25에 있어서, 상기 추가의 전도성층은 금속층인 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 26에 있어서, 상기 데코레이션층은 상기 금속층의 암색화층인 것을 특징으로 하는 전도성 패턴 적층체.
- 청구항 1 내지 27 중 어느 하나의 항에 따른 전도성 패턴 적층체를 1개 이상 포함하는 전자 장치.
- 청구항 1 내지 27 중 어느 하나의 항에 따른 전도성 패턴 적층체를 1개 이상 포함하는 터치 스크린.
- 홈부 또는 돌출부를 포함하는 기판을 준비하는 단계; 및상기 기판의 상면의 전체 영역에 상기 홈부의 깊이 또는 돌출부의 높이보다 작은 두께로 전도성 막을 형성하는 단계를 포함하는 전도성 패턴 적층체의 제조방법.
- 청구항 30에 있어서, 상기 전도성 막이 형성된 기판의 가장자리부를 제외한 부분을 보호막으로 보호하는 단계; 및 상기 가장자리부에 추가의 전도성층을 형성하는 단계를 더 포함하는 것을 특징으로 하는 전도성 패턴 적층체의 제조방법.
- 청구항 31에 있어서, 상기 추가의 전도성층 상에 데코레이션층을 형성하는 단계를 더 포함하는 것을 특징으로 하는 전도성 패턴 적층체의 제조방법.
- 청구항 32에 있어서, 상기 보호막을 제거하는 단계를 더 포함하는 것을 특징으로 하는 전도성 패턴 적층체의 제조방법.
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US14/778,462 US9841857B2 (en) | 2013-03-22 | 2014-03-24 | Conductive pattern laminate and electronic device comprising same |
CN201480016626.XA CN105074635B (zh) | 2013-03-22 | 2014-03-24 | 导电图案层压板及包含该层压板的电子设备 |
JP2016504259A JP6155537B2 (ja) | 2013-03-22 | 2014-03-24 | 導電性パターン積層体およびその製造方法、並びに導電性パターン積層体を含む電子装置およびタッチスクリーン |
EP14768599.4A EP2957996A4 (en) | 2013-03-22 | 2014-03-24 | LADDER RAIL LAMINATE AND ELECTRONIC DEVICE THEREWITH |
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US (1) | US9841857B2 (ko) |
EP (1) | EP2957996A4 (ko) |
JP (1) | JP6155537B2 (ko) |
KR (1) | KR101592094B1 (ko) |
CN (1) | CN105074635B (ko) |
TW (1) | TWI613945B (ko) |
WO (1) | WO2014148878A1 (ko) |
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EP2511268B2 (en) † | 2009-12-11 | 2021-02-17 | Shionogi & Co., Ltd. | Oxazine derivative |
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CN105074635B (zh) | 2018-04-27 |
EP2957996A4 (en) | 2016-11-02 |
US9841857B2 (en) | 2017-12-12 |
EP2957996A1 (en) | 2015-12-23 |
KR101592094B1 (ko) | 2016-02-04 |
US20160282982A1 (en) | 2016-09-29 |
TWI613945B (zh) | 2018-02-01 |
CN105074635A (zh) | 2015-11-18 |
JP2016519836A (ja) | 2016-07-07 |
TW201505503A (zh) | 2015-02-01 |
JP6155537B2 (ja) | 2017-07-05 |
KR20140116034A (ko) | 2014-10-01 |
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