Abstract:
A micro contact printing device using polymer stamp is provided to control the displacement minutely by using the piezo actuator. A micro contact printing device comprises the stamp chuck(110) jointing and fixing the elastomeric stamp; the substrate chuck(120) which joints and fixes the substrate in order to be in opposite directions to the elastomeric stamp; The frame(130) supporting the stamp chuck to the set up height; the displacement movement part(140) raising the substrate chuck; the load measurement part(150) measuring the applied load in the movement of the substrate chuck; the micro contact printing apparatus(100) using the elastomeric stamp.
Abstract:
A dryer for printing is provided to remove the limit on the size of printed material wound on a rewinder since the drying directions of the printed material and the rewinder are different, and to ensure mass production since the rewinder can wind any size of printed materials and wind the printed materials at high speed. A dryer(10) for printing includes a plurality of transfer rollers(12) which are installed in the spiral direction within the dryer and transfer a printed material(2) with contacting with the unprinted surface of the printed material; and deflection rollers(20,21) which is installed to be inclined with respect to the transfer roller, changes the transfer direction of the printed material to another direction different from the drying direction with contacting with the unprinted surface of the printed material and makes the printed material wound on a rewinder(11).
Abstract:
A method and an apparatus for coating a large sized thin film are provided to reduce an application thickness of a liquid chemical material applied on a base layer to be smaller than 10mum by using a bar coater, a squeeze, or a blade. A liquid chemical material(20) is poured on one surface of a base layer(10). A line is wound around an outer periphery of a cylinder, such that a bar coater(30) is formed. The bar coater is rotatably pushed back and forth on one surface of the base layer, such that the liquid chemical material is applied on the base layer. The base layer is selected from the group consisting of a glass substrate, a plastic substrate, a metal substrate, and a wafer. The liquid chemical material is one of photoresist, paste, and ink.
Abstract:
A micro-contact printing device of a roll-print type using a polymer stamp is provided to form fine patterns on a large-sized substrate by using an elastic polymer stamp. A drum member is rotatably installed at a frame(10). A flat table(40) is formed to support the substrate and is installed at the frame to be able to be driven. An elastic polymer stamp includes a first surface attached on the substrate in order to transfer a pattern onto the substrate and a second surface arranged on an outer circumference of the drum member. A metal thin film is positioned between the elastic polymer stamp and the drum member. The second surface of the elastic polymer stamp is attached on the metal thin film. The metal thin film is attached to the outer circumference of the drum member. A print composition supply unit(70) is installed at the frame in order to supply print compositions to the first surface. The elastic polymer stamp corresponds to the pattern formed on the substrate. A first region as a convex part and a second region as a concave part are formed on the outer circumference of the drum member.
Abstract:
An exposure device for non-planar substrate, a non-planar substrate patterning method using the same, and a non-planar substrate patterned by the same method are provided to form a pattern on an entire surface of the non-planar substrate by rotating and exposing the non-planar substrate. A mask preparation process is performed to prepare a mask(100) having a non-planar substrate(300), a glass substrate(200), and a predetermined pattern(50). The mask is attached on a lower part of the glass substrate. A surface of the non-planar substrate is coated with photoresist(400). The non-planar substrate is arranged within a range without diffraction to the mask. The photoresist coated on the non-planar substrate is exposed by using a rotary exposure apparatus. The non-planar substrate is formed with a cylinder.
Abstract:
A method for revising a defect of minute pattern is provided to promptly and accurately correct the defect of minute pattern and to prevent the extension of a defect region by using a mask having a laser passing hole. A mask(50) having a laser passing hole(51) is arranged over minute patterns(30,30'). The laser passing hole is opened so as to be corresponded to minute pattern forming regions(21,21'). A laser is irradiated to the laser passing hole corresponding to a defect minute pattern to remove it. A normal minute pattern is formed on the minute pattern forming region from which the defect minute pattern is removed by filling a minute pattern material into the minute pattern forming regions and hardening the minute pattern material filled in the minute pattern forming regions. The minute patterns are formed in a certain linear arrangement structure along a plane surface of a substrate.
Abstract:
A method for manufacturing an organic thin film driving device using a microcontact printing is provided to improve electron mobility and to implement a fine patterning of 10 ‘í below by using a microcontact printing process and a low temperature process. A metal thin film is formed on a substrate and a gate electrode is formed by using a microcontact printing process(S1). An organic dielectric is formed on the gate electrode and then is patterned(S2). A metal thin film is formed on the organic dielectric and drain and source electrodes are formed by using the microcontact printing process(S3). An organic semiconductor layer is formed on an upper portion including the drain and source electrodes and then is patterned(S4). The microcontact printing process including a procedure for producing a PDMS(PolyDiMethylSiloxane) stamp by mixing polymer mold materials and a procedure for inking a self-assembled monolayer on a surface of the PDMS stamp and transferring a printing pattern on the substrate on which the metal thin film is coated.
Abstract:
An EL(Electro Luminescence) segment display device is provided to make thinner a thickness of the EL segment display device and realize a simple appearance of the EL segment display device. An EL segment display device includes a display device body(10) and a controller(30). The display device body light-emitting displays predetermined figure patterns according to a previously set control signal. The controller controls the light emitting of the display device body. The display device body includes a thin-film substrate(11) and a plurality of thin-film EL segments(20). The display device body includes a substrate, a reinforcement layer, and the EL segments. The EL segments are formed by a lower electrode, a dielectric layer, an EL layer, and an upper electrode. The EL segments are formed on the substrate so as to display predetermined patterns by selective light emitting.
Abstract:
A paper electro luminescence lighting element and a manufacturing method thereof are provided to perform a comparatively low temperature hardening process by adding a UV cured photoinitiator to ink materials of lamination layers. A paper electro luminescence lighting element includes a paper substrate(10), a lower electrode(20), a dielectric layer(30), an EL layer(40), and an upper electrode(50). The lower electrode is cured by laminate-printing a conductive ink material on the paper substrate. The dielectric layer is cured by laminate-printing a dielectric ink material on the lower electrode. The electro luminance layer is cured by laminate printing a luminescence ink material on the dielectric layer. The upper layer is cured by laminate-printing a conductive ink material on the EL layer. A reinforcement layer of a resin material is laminate-printed on the paper substrate. The lower electrode, the dielectric layer, the EL layer, and the upper electrode are laminate-printed on the reinforcement layer.
Abstract:
A micro contact printing apparatus of a roll-print method using a PDMS(Polydimethylsiloxane) is provided to control the size of a substrate for printing depending on a diameter of a drum member by surrounding an outer surface of the drum member by the PDMS as a shape of the roll-print method. A drum member(20) is installed rotatably on a frame(10). A plane table(40) supports a substrate, and is installed to be driven on the frame. A PDMS(Polydimethylsiloxane) stamp(60) in which a predetermined pattern is formed is located to surround the outer surface of the drum member and closed to the substrate. A metal thin film(65) is installed to be adhered to the outer surface and a contrary surface of the PDMS. A print composition supply unit(70) is installed on the frame, and supplies a predetermined print composition to the surface on which the pattern is formed.