1936results about "Conductive layers on insulating-supports" patented technology

The present invention provides a transparent planar body and a transparent touch switch that can improve visibility. Specifically, the transparent planar body (1) has a patterned transparent conductive film (12) on at least one surface of a transparent substrate (11). This transparent planar body (1) comprises a transmittance-adjusting layer for equalizing the transmission spectrum of light transmitted through a patterned region wherein the transparent conductive film (12) is provided via the transparent substrate (11) with that transmitted through a non-patterned region wherein the transparent conductive film (12) is not provided via the transparent substrate (11).

A transparent conductive film wherein carbon nanotubes are discursively embedded in the surface portion of a resin film is produced by (A) dispersing carbon nanotubes on a substrate surface, (B) forming a transparent resin film over the substrate on which the carbon nanotubes are dispersed, and then (C) separating the thus-formed resin film. This is a novel technique for realizing a highly transparent conductive film which is flexible and highly conductive even when amount of carbon nanotubes used therefor is small.

A transparent conductive film (1) having a transparent plastic film (11) and a transparent conductive thin film (12) formed on at least one side thereof, characterized in that a resin layer (P) containing an ionic group in the range of 20 to 1000 eq/ton is provided between the transparent plastic film and the transparent conductive thin film and the ionic group containing resin has a cross-linked structure. The transparent conductive film has excellent adhesion to other conductive thin films and therefore exhibits excellent durability to input with a pen when used in touch panels.

This invention provides an electrically conductive ink comprising an electrically conductive material and a vinyl chloride/vinyl acetate/hydroxyalkyl (meth)acrylate copolymer resin. There is also provided a noncontact-type medium comprising a base material and, provided on the base material, an electrically conductive circuit formed using the electrically conductive ink, and an IC chip mounted in the state of being electrically conducted to the electrically conductive circuit. An electrically conductive circuit, which is in a thin film form, can be used as an antenna circuit for noncontact-type media, has a low volume resistivity on the order of 10⁻⁵ Ω·cm, and is highly reliable under a high temperature and high humidity environment, can be formed by using the electrically conductive ink at a low temperature in a short time.

The disclosed is a transparent conductive film that includes a matrix and carbon fibrous structures added to the matrix, wherein the carbon fibrous structures comprise carbon fibers, each having an outside diameter of 15-100 nm, and wherein the carbon fibrous structures each comprise a granular part at which two or more carbon fibers are bound to each other, and wherein the granular part is concurrently produced in a growth process for the carbon fibers. When the transparent conductive film is formed at a thickness of 0.1-5 μm on a glass substrate, it shows a surface resistivity of not more than 1.0×10¹²Ω/□, and a total light transmittance of not less than 30%. A coating composition for the conductive transparent film is prepared by using a media mill equipped with beads having an average diameter of 0.05-1.5 mm to disperse the carbon fibrous structures into the liquid resinous composition.

First conductive patterns, which each contain two or more first large lattices electrically connected by a first connection in series in a first direction, are formed on a first transparent substrate, and second conductive patterns, which each contain two or more second large lattices electrically connected by a second connection in series in a second direction perpendicular to the first direction, are formed on a second transparent substrate. As viewed from above, the first conductive patterns and the second conductive patterns are arranged adjacent to each other, and the first connection and the second connection are arranged facing each other. The first large lattices are electrically connected via three or more connection paths in the first connection, and the second large lattices are electrically connected via three or more connection paths in the second connection.

The invention provides a silver nanowire-based transparent conductive thin film and a preparation method thereof. The preparation method is characterized by comprising the following steps of: forming a uniform adhesive layer on a substrate by organic polymer fluid; and forming a silver nanowire conductive layer on the adhesive layer, wherein silver nanowires can be firmly adhered to the adhesive layer. Through the adhesive layer, the firmness and the reliability of the silver nanowire transparent conductive thin film are greatly improved, the problem of easiness of falling of the silver nanowires is solved, and the selection range of the substrate is expanded. If the adhesive layer is formed by polyvinyl alcohol on a polymethyl methacrylate (PMMA) substrate, the visible light transmittance reaches 84 percent when square resistance is 130.

A low softening point glass composition, which is substantially free from lead, bismuth and antimony and comprises oxides of vanadium, phosphorous, tellurium and iron, a softening point of the composition being 380° C. or lower.

A transparent conductive film includes: a transparent film substrate; a transparent conductor layer provided on one or both sides of the transparent film substrate; and at least one undercoat layer interposed between the transparent film substrate and the transparent conductor layer; wherein: the transparent conductor layer is patterned; and a non-patterned portion not having the transparent conductor layer has the at least one undercoat layer.

A method for forming a conductive layer pattern by selectively depositing droplets containing conductive material onto a porous receiving layer. Much of the conductive material is left on the surface for forming wiring patterns but some of it permeates the pockets or voids in the receiving layer and can be used, for example, to provide interlayer connections in laminated wiring boards. Preferably, the conductive material is provided by fine conductive particles, organometallic compounds or mixtures thereof.

Embodiments of the present invention generally relate to a touch sensible organic light emitting device. The organic light emitting device according to an exemplary embodiment of the present invention comprises: a substrate; a thin film transistor disposed on the substrate; an organic light emitting element connected to the thin film transistor and receiving a data voltage; a plurality of encapsulation thin films disposed on the organic light emitting element, and encapsulating the thin film transistor and the organic light emitting element; a planarization layer disposed on the encapsulation thin film; and a touch sensor disposed on the planarization layer.

A transparent conductive multi-layer structure having a smooth base material 1, a transparent conductive layer 2 formed on the smooth base material 1 by coating, an auxiliary electrode layer 3 formed in a pattern on the transparent conductive layer 2, and a transparent substrate 5 joined to the transparent conductive layer 2 and auxiliary electrode layer 3 through an adhesive layer 4. On a smooth peeled-off surface of the transparent conductive layer 2 from which the smooth base material 1 has been peeled off, various devices are formed to set up devices such as a dye-sensitized solar cell and an organic electroluminescent device.

Provided are a method of isolating and purifying metal nanowires from a crude and complex reaction mixture that includes relatively high aspect ratio nanostructures as well as nanostructures of low aspect ratio shapes, and conductive films made of the purified nanostructures.

The present invention relates to a variety of conductive ink compositions comprising a metal complex compound having a special structure and an additive and a method for preparing the same, more particularly to conductive ink compositions comprising a metal complex compound obtained by reacting a metal or metal compound with an ammonium carbamate- or ammonium carbonate-based compound and an additive and a method for preparing the same.

The transparent conductive film of the present invention is a transparent conductive film, comprising a transparent film substrate, and a first transparent dielectric layer, a second transparent dielectric layer and a transparent conductive layer that are formed on one or both sides of the transparent film substrate in this order from the transparent film substrate side, wherein the transparent conductive layer is patterned, the relation n2<n3<n1 is satisfied, wherein n1 is the refractive index of the first transparent dielectric layer, n2 is the refractive index of the second transparent dielectric layer, and n3 is the refractive index of the transparent conductive layer, the first transparent dielectric layer has a thickness of from 2 nm to less than 10 nm, the second transparent dielectric layer has a thickness of from 20 nm to 55 nm, and the transparent conductive layer has a thickness of from 15 nm to 30 nm.

The invention relates to a flexible conductive thin film compositing a two-dimensional graphene and a one-dimensional nanowire and a preparation method of the flexible conductive thin film. The preparation method includes the following steps: dispersing the graphene, the nanowire and dispersion auxiliary in solvent, obtaining graphene/nanowire solvent which is well dispersed after the solvent is processed through ultrasound concussion, and obtaining a graphene/nanowire composite thin film after the graphene/nanowire solvent is processed through vacuum filtration and drying. The thickness of the composite thin film is 10 nanometers to 1000 micrometers, the composite thin film has good strength and flexibility, square resistance is between 0.001 ohm per square and 3000 ohms per square, and electrical conductivity is between 0.01 siemens per centimeter to 5000 siemens per centimeter. The graphene/nanowire composite thin film which is obtained with the adoption of the preparation method has good strength, flexibility, and electrical conductivity, and is controllable in thickness, cuttable in shape, simple in preparing process, easy to operate, low in manufacturing cost, and suitable for solar batteries, energy storage, heat dissipation, catalysis, sensing, and conductive composite material fields.

A substrate having a transparent conductive layer has a transparent conductive pattern that is not easily visually recognizable by a naked human eye on a transparent substrate and can be formed by a simple and efficient method. In the case where a transparent conductive pattern is formed on a transparent substrate, the pattern region does not include conductive regions covered with uniform transparent conductive films or a high-resistance region that is not covered with the transparent conductive film, the high-resistance region electrically insulating the conductive regions. Instead of the conductive regions or the high-resistance region, the inventors use a region having a structure including a mixture of a portion covered with the transparent conductive film and a portion not covered with the transparent conductive film, thereby solving the foregoing visual recognition issue.

The invention discloses nano-silver conductive ink and a conductive film prepared by employing the same. The technical scheme is characterized in that the nano-silver conductive ink is prepared, satisfies the requirements on light transmittance, film electrical resistance and adhesive force, is applicable to production of the conductive film; and the prepared conductive film is effectively controlled in flatness and easy to etch, is capable of effectively satisfying the requirements on patterning of touch-control screens and display panels, and has extremely good utility value.

The invention discloses a nanometer silver transparent electrode material and a preparation method thereof. The nanometer silver transparent electrode material comprises the following four layers of structures: 1 a nanometer silver wire network, 2 poly(3,4-ethylenedioxythiophene) (PEDOT): an electricity conductive high molecular layer formed by evenly coating PSS aqueous solution, 3 a high molecular material tackifying layer and 4 a substrate. The nanometer silver wire transparent electrode is high in light transmitting rate, low in resistance, good in adhesion between the electricity conductive layer and the substrate, high in surface flatness degree, simple in preparation process and convenient for large-scale production and overcomes the shortcomings of being complex in a process for preparing the nanometer silver wire transparent electrode through a transfer method and not suitable for large-scale production.

The invention discloses a graphical flexibility transparent conductive film and a preparation method of the graphical flexible transparent conductive film, comprising a flexible transparent substrate, transparent embossing glue and a conductive material embedded in the transparent embossing glue from bottom to top; a graphical and communicated groove network is formed on the surface of the transparent embossing glue, the sum of the areas outside the groove network accounts for more than 80 percent of total superficial area of the film, and the depth of the groove is less than the thickness ofthe transparent embossing glue; the conductive material is respectively conductive ink and a conductive film before and after sintering, the conductive ink is uniformly filled at the bottom of the groove network and is communicated, and the thickness of the conductive film is less than the depth of the groove, and the film is provided with a conductive network covered by the conductive film and alight-transmitting area outside the groove network. Besides, in the invention, a design scheme of the conductive network is provided, and the preparation is realized based on the technologies such asembossing, conductive ink scraping and the like; the graphical flexibility transparent conductive film and the preparation method of the graphical flexible transparent conductive film have the beneficial effects that the scratching-prevention scraping-resisting characteristics of the film are greatly improved and the electric conductivity of the transparent conductive film is improved to the maximum extent.

The invention discloses a conducting film which comprises a base sheet, a first conducting layer, a substrate layer and a second conducting layer, wherein the base sheet comprises a first surface and a second surface which is arranged opposite to the first surface, and the first conducting layer is embedded in the base sheet. The substrate layer is attached to the first surface of the base sheet and is formed by curing a jelly like substance coated on the first surface. The second conducting layer is embedded in the substrate layer and is insulated from the first conducting layer by the substrate layer. Due to the fact that capacitance can form between the first conducting layer and the second conducting layer, when the conducting film is used for manufacturing a touch screen, two conducting films do not need to be combined together in a bonding mode, and all that is needed is to attach the conducting film to a glass panel. In addition, the substrate layer is formed by curing the jelly like substance coated on the base sheet, the thickness is far smaller than that of the base sheet, and therefore the touch screen made of the conducting film has a quite small thickness. Moreover, the invention further provides a preparation method of the conducting film and the touch screen comprising the conducting film.

Provided is a heat-decaying material that hardly deteriorates and decomposed at ordinary service temperatures, but decays within a short period of time when heated at relatively low temperatures. This comprises a polyoxyalkylene resin as the principal ingredient thereof, and has an oxygen atom content of from 15 to 55% by mass. When heated at a predetermined temperature falling between 150 and 350° C., at least 95% by mass of the material decays within 10 minutes. The heat-decaying material has many applications for production of porous materials, conductive particles transfer sheets, transfer sheets for circuit formation, pattern formation, etc.

To provide an optically transparent film containing 0.01 to 20% by weight glass forming oxide consisting of Nb2O5, V2O5, B2O3, SiO2, and P2O6; 0.01 to 20% by weight Al2O3 or Ga2O3; and 0.01 to 5% by weight hard oxide of ZrO2 and TiO2 as required; balance being ZnO, and a sputtering target for forming such a film. This sputtering target reduces occurrence of particles during sputtering, decreases the number of interruption or discontinuance of sputtering to improve production efficiency, and forms a protective film for optical disks with large transmittance and low reflectance.

The present disclosure relates to modifications to nanostructure based transparent conductors to achieve increased haze/light-scattering with different and tunable degrees of scattering, different materials, and different microstructures and nanostructures.

The invention provides a structure and a preparation method of a silver nanowire transparent conductive film based on a thermoplastic transparent polymer, which is characterized in that the silver nanowire conductive network is uniformly spread on a hard substrate, and then the The method makes a continuous silver nanowire conductive network embedded on the surface of a thermoplastic transparent polymer, and part of the surface of the silver nanowire is exposed to the air to form a silver nanowire conductive film based on the thermoplastic transparent polymer.

The PCB manufactured by spraying conductive ink dispersed with Ag—Pd alloy nanoparticles and curing to form wiring according to the present invention provides reduced migration of Ag ions. Further, the present invention provides a method for manufacturing PCB which exhibits competitive price, and excellent conductivity and anti-migration. As one aspect of the present invention, a conductive ink comprising Ag—Pd alloy nanoparticles, wherein the Ag—Pd alloy nanoparticles includes Pd in the range of from 5 weight % to 40 weight %.

A glass composition substantially free from lead and bismuth and containing vanadium oxide and phosphor oxide as main ingredients, wherein the sintered glass of the glass composition exhibits 10⁹ Ωcm or more at 25 ° C.

It is to provide a process for preparing a conductive material in which transparency and conductivity are both high, and storage stability is high, and further, in a process for preparing a conductive material utilizing ultra fine silver particles, to provide a process for preparing a conductive material having high conductivity without requiring a calcination step which has conventionally been required.

A process for preparing a conductive material having a conductive pattern containing silver on a support, which process for preparing a conductive material comprises acting at least one of the following mentioned (I) to (IV) on the pattern portion containing silver provided on the support:

• (I) a reducing substance,
• (II) a water-soluble phosphorus oxo acid compound,
• (III) a water-soluble halogen compound,
• (IV) warm water of 55° C. or higher.

A dual-side integrated touch panel structure is provided. The structure comprises a capacitive touch panel and a resistive touch panel. The backs of the touch panels are adhered together via an adhesive layer so the touch panel structure can be used on two sides and operate two functions. Also, to simplify the structure, conductive layers of different functions are disposed on the two sides of the same substrate. This allows the structure to use one less substrate and one less adhesive layer, and keeps the structure thin.

The invention relates to a method for preparing nano-doped tin oxide sol, belonging to the technical field of semiconductor nano film preparation process. The method provided by the invention mainly uses a sol-gel method to prepare nano-doped SnO2 sol on compatible reaction condition via hydrothermal processing. In the method, tin salt is taken as main raw material, villaumite and antimony salt or two parts of antimony or two parts of villaumite in appropriate content are added as doping agent to obtain doped SnO2 sol. High temperature calcination is unnecessary in the synthesized process, and nano-doped SnO2 sol can be obtained with even grains and fine dispersivity. Spray finishing, spin coating, and dipping and drawing method can be carried out on the obtained sol to prepare nano-doped SnO2 film. The film can be applied into various fields, such as low emissivity glass, display equipment, gas sensor, transparency electrode of solar battery and the like.