Abstract: Disclosed is a method of preparing a conductive polymer composition, in which FTS (Ferric p-toluene sulfonate) is used as a dopant and mixed with a conductive polymer monomer before polymerizing the conductive polymer monomer, thereby facilitating the control of the concentration of the conductive polymer composition and increasing the electrical conductivity of the conductive polymer composition. A method of manufacturing a conductive film is also provided.

Abstract: Disclosed herein are a conductive polymer composition and a conductive film using the same. The conductive polymer composition includes: a conductive polymer; a solvent; and an ionic binder. A transparent parent is formed by adding the ionic binder to the conductive polymer, thereby making it possible to have excellent flexibility and a low sheet resistance of 110?/? to 500?/? and simplify a coating process of the transparent electrode. Accordingly, the transparent electrode of the present invention is suitable for being used as a display device.

Abstract: Disclosed herein is a microcapsule having heat-resistance in a core-shell structure, including: a conductive polymer core; and a shell made of polyimide and partially enclosing the conductive polymer core. The core-shell structure in which a partial polyimide shell is formed on the conductive polymer core is formed, thereby making it possible to improve the heat-resistance of the conductive polymer. In addition, a transparent electrode having improved heat-resistance is used to minimize a change rate in sheet resistance due to a high temperature, such that electrical reliability of a touch panel is improved, thereby making it possible to improve accuracy of an operation.

Abstract: Disclosed herein are a touch screen and a method of manufacturing the same. The touch screen includes a transparent substrate, a transparent electrode formed on the transparent substrate and adopted for sensing a change in capacitance when a touch input is performed, an adhesive layer formed on the transparent substrate in which the transparent electrode is formed, a window plate bonded with the transparent substrate by the adhesive layer, and a circular polarization-coating layer coated on the window plate and adopted for transmitting light in one direction, whereby a circular polarization coating layer may block reflected light from an inside of the touch screen, thereby improving visibility of the touch screen.

Abstract: Disclosed herein is a touch screen. The touch screen includes: two sheets of transparent substrates formed to be opposite to each other; transparent electrodes formed on each of the two sheets of transparent substrates and contacting each other when a touch input is applied to sense the change in resistance or voltage; an adhesive layer bonding between the outsides of the two sheets of transparent substrates and having the opening portion formed therein; and a dot spacer formed on the transparent electrode in the opening portion, wherein the transparent electrode formed with the dot spacer includes a radical scavenger. As a result, the present invention provides the touch screen preventing the damage of the transparent electrode due to the ultraviolet rays by using the radical scavenger included in the transparent electrode.

Abstract: Disclosed herein is a method of manufacturing a touch screen, including; preparing two sheets of transparent substrate on which transparent electrodes are formed; preparing a substrate on which a release film is formed; printing dot spacers on the release film and curing the dot spacers; transferring the dot spacers to the transparent electrode by stacking the substrate on the transparent substrate so that the dot spacers are in contact with the transparent electrode; and bonding the outer sides of the two sheets of transparent substrates by an adhesive layer so that the transparent electrodes formed on the two sheets of transparent substrates face each other. The dot spacers are previously cured on the release film and then transferred to the transparent electrode, thereby making it possible to prevent the transparent electrode from being damaged due to a curing process of the dot spacers.

Abstract: Disclosed herein is a touch panel. The touch panel includes a transparent substrate and a plurality of transparent electrodes. The transparent electrodes are formed on one surface of the transparent substrate. Each of the transparent electrodes includes a touch part formed to have an identical width and a connection part configured in a stepped form along with the touch part and configured to connect the touch part with the transparent substrate.

Abstract: Disclosed herein is a touch panel, including: a transparent substrate; a transparent protrusion unit including a patterned partition wall and formed on the transparent substrate; and a transparent electrode formed in the transparent protrusion unit such that it is surrounded by the partition wall. The touch panel is advantageous in that a transparent protrusion unit is employed, and a transparent electrode is formed in the partition wall of the transparent protrusion unit, so that it is possible to prevent the transparent electrode from being scratched and separated during a manufacturing process, thereby improving the durability of the touch panel.

Abstract: Disclosed herein are a transparent conductive film for a touch panel and a method for manufacturing the same. A transparent conductive film 100 for a touch panel according to the present invention includes a transparent substrate 110: a plurality of silver nanowires 120 formed on the transparent substrate 110 to be parallel with each other in one direction; and a transparent electrode 130 formed on the transparent substrate to apply the silver nanowires 120, whereby the silver nanowires 120 are formed in one direction of the transparent electrode 130 having the relatively higher surface resistance to make the surface resistance constant in all directions of the transparent conductive film 100 for the touch panel, thereby making it possible to increase touch sensitivity when a touch panel is manufactured.

Abstract: Disclosed herein is an apparatus for manufacturing a transparent conductive layer. The apparatus includes a transparent substrate, a longitudinal direction of which is arranged in an X axis direction. Jetting means jets a conductive polymer solution, containing ions, onto a first surface of the transparent substrate in a Y axis direction. A wire is spaced apart from a second surface of the transparent substrate by a predetermined distance and arranged in a Z axis direction. Voltage application means generates electric attractive force between the wire and the conductive polymer solution by applying a potential having polarity opposite to that of the ions to the wire. The apparatus adds ions to the conductive polymer solution, and employs a wire to which a potential having polarity opposite to that of the ions is applied, thus obtaining the advantage that the target substrate can be uniformly coated with the conductive polymer solution.

Abstract: This invention relates to a conductive polymer composition for a transparent electrode and a touch panel using the same. The conductive polymer composition for a transparent electrode includes a polythiophene derivative, at least one dopant, at least one binder, and the remainder solvent. When the transparent electrode formed of the conductive polymer composition is used, the touch panel having high conductivity, superior transmittance, adhesion and flexibility, and a low sheet resistance of 100˜300 ?/? can be provided.

Abstract: In a preparation method, a chiral or cholesteric liquid crystal, a photoreactive monomer, and a photoinitiator are disposed in a liquid crystal cell. A principal surface of the liquid crystal cell is illuminated with ultraviolet light selected to have a non-uniform ultraviolet light intensity profile in the liquid crystal cell. The illuminating cooperates with the photoinitiator to polymerize at least a portion of the photoreactive monomer near the principal surface to generate a polymer network having a density corresponding to the non-uniform ultraviolet light intensity profile. The polymer network biases the liquid crystal toward a selected helical alignment direction. In some embodiments, the illuminating includes illuminating with first and second ultraviolet light intensity profiles to produce surface and volume polymer network components.

Abstract: Disclosed herein is a method for manufacturing a capacitive touch screen. The method for manufacturing the capacitive touch screen includes forming a plurality of first electrode patterns made of conductive polymer on the upper surface of a first substrate by an inkjet method, thereby making it possible to finely and precisely form the electrode patterns having a complex shape. Further, the present invention can make a process for manufacturing a capacitive touch screen simple and spray only the necessary amount of conductive polymer at an accurate position, such that waste materials can be prevented and the thickness of the electrode pattern is easily controlled to form the electrode pattern having a uniform thickness.

Abstract: Disclosed herein is a touch screen-integrated liquid crystal display, including: a backlight unit emitting light; a first polarizing plate disposed on the backlight unit; a liquid crystal panel disposed on the first polarizing plate and creating an image using the light emitted from the backlight unit; a touch screen disposed on the liquid crystal panel; a cholesteric liquid crystal plate disposed on the touch screen; a phase difference plate disposed on the cholesteric liquid crystal plate; and a second polarizing plate disposed on the phase difference plate.

Abstract: Disclosed herein is a conductive polymer composition, including: a conductive polymer; a liquid crystal polymer; and a solvent. The conductive polymer has excellent conductivity properties because it including a liquid crystal polymer which serves as a binder and has high molecular regularity. Disclosed herein is a conductive film, including: a base member; and a transparent electrode formed on the base member by coating the base member with a conductive polymer composition including a conductive polymer, a liquid crystal polymer and a solvent and then drying the conductive polymer composition. The conductive film can be widely used in displays, touch panels and the like because it has excellent conductivity properties.

Abstract: Disclosed herein is a resistive touch screen, including: a large-area touch screen formed by connecting two or more single touch screens, each including a first substrate and a second substrate which are respectively coated with transparent electrodes on one side thereof and face each other, on the same level; a plurality of first dot spacers formed on first connection parts at which the first substrates are connected with each other and supporting second connection parts at which the second substrates are connected with each other; and a plurality of second dot spacers formed on respective one sides of the first substrates excluding the first connection parts and having a lower height than the plurality of first dot spacers. The resistive touch screen is advantageous in that a large-area touch panel can be realized by connecting single touch panels on the same level.

Abstract: Disclosed herein is a touch screen, including: a transparent film having a thickness of 188˜2000 ?m; and a transparent electrode layer formed on one side or both sides of the transparent film, wherein one side or both sides of the transparent film is ultraviolet-treated, high-frequency-treated or primer-treated. The touch screen is advantageous in that a hard coating layer included in conventional touch screens was removed thereby improving its transmittance, and in that the number of total structural layers was decreased to strengthen its price competitiveness. Further, the touch screen is advantageous in that a hard coating layer was removed which reduces the manufacturing process, and in that the thickness of a base film was increased allowing touch screens having a size of 22 inches or more to be manufactured.

Abstract: Disclosed herein is a method of manufacturing a touch screen, including: supplying a PET film; supplying and printing transparent conductive polymer electrodes on both sides of the PET film; printing conductive patterns on the transparent conductive polymer electrodes; supplying an adhesive to the transparent conductive polymer electrodes to form an adhesive layer; supplying a protective film to the adhesive layer; and cutting a laminate composed of the PET film, the printed transparent conductive polymer electrodes, the conductive patterns, the adhesive layer and the protective film. The method is advantageous in that a touch screen can be manufactured by an automated process using a roll-type feed or a sol-type feeder.

Abstract: Disclosed herein is a touch screen, including: a liquid crystal layer including a localized polymer layer formed on a surface thereof; and transparent electrodes disposed on both sides of the liquid crystal layer. The touch screen can be used as an integral touch screen without optical and physical losses because a localized polymer layer is formed on the surface of a liquid crystal layer, can improve durability and obtain high-speed response characteristics in liquid crystal behavior because a uniform polymer layer formed in a liquid crystal layer, and can improve durability without increasing thickness or additionally forming a protective film and does not deteriorate intrinsic display properties such as light and darkness ratio (LD ratio), response characteristics and the like, because a localized polymer layer is formed on the surface of a liquid crystal layer.

Abstract: Disclosed herein is a touch screen input device, including: a first transparent electrode applied on one side of a transparent film using a conductive polymer composition including a conductive polymer and a solvent; a second transparent electrode applied on one side of a transparent substrate using the conductive polymer composition or indium-tin oxide (ITO); and a first adhesive layer disposed between one side of the transparent film and one side of the transparent substrate which face each other, so as to attach the one side of the first transparent electrode and the one side of the second transparent electrode to each other. The conductive polymer composition can be used to form transparent electrodes of the touch screen input device because it has a surface resistance of 10˜1000?/?.