Abstract: Exemplary embodiments of the present invention relate to a photoresist composition and method of forming a color filter using the same. A photoresist composition according to an exemplary embodiment includes about 5% by weight to about 10% by weight of a binder resin, about 5% by weight to about 10% by weight of a monomer, about 1% by weight to about 15% by weight of a photo initiator configured to be activated a light having a peak wavelength from about 400 nm to about 410 nm, about 1% by weight to about 10% by weight of a pigment, about 0.01% by weight to about 1% by weight of a pigment dispersing agent, and a solvent.

Abstract: An exposure apparatus includes a light source, an illuminating member, a projecting member, a stage, an inspecting member, and an information processing member. The light source is configured to provide a light in accordance with a pulse event generation (PEG) representing a period of light radiation. The illuminating member is configured to change the light into point lights. The projecting member is configured to project the point lights according to a photoresist shape extending in various directions. The point lights are projected on the stage. The inspecting member is configured to inspect a photoresist pattern formed by the projected point lights. The information processing member is configured to analyze different photoresist patterns corresponding to different PEGs to select one PEG from the different PEGs. The one PEG being associated with a minimum error in the various directions.

Abstract: The present invention relates to a cliché, a manufacturing method of a cliché, and a pattern formed by a roll printing method to prevent deteriorations due to sagging and a disconnection of an end portion or a rounded angular portion, the cliché having a surface formed with a groove, wherein the end portion of the groove has a narrower width than the width of the center portion of the groove.

Abstract: A method of forming a metal pattern includes forming a precursor layer including a metal precursor on a substrate, irradiating a light on the precursor layer to form a metal seed layer having a predetermined pattern, and electroless-plating the metal seed layer to form a metal pattern layer.

Abstract: A printing plate cleaning apparatus may include a cleaning chamber configured to receive a printing plate to be cleaned, a nozzle supporter in the cleaning chamber, and/or a unified nozzle unit that includes a cleaning nozzle unit and a rinsing nozzle unit unified as a body and attached to the nozzle supporter. The cleaning nozzle unit may include a cleaner nozzle configured to inject cleaner to the printing plate and/or a first suction nozzle suctioning waste. The rinsing nozzle unit may include a rinsing liquid nozzle configured to inject rinsing liquid to the printing plate and/or a second suction nozzle suctioning the waste. A printing plate cleaning apparatus may include the cleaning chamber, a cleaning nozzle unit in the cleaning chamber, and/or a rinsing nozzle unit in the cleaning chamber. The cleaning and rinsing nozzle units may be configured to move together with each other in the cleaning chamber.

Abstract: A stage transferring device invention includes: a transferring stage upon which an object is mounted and which transfers the object in an x-y plane; and a stage position measuring device. The stage position measuring device includes a one-dimensional scale on the transferring stage; a one-dimensional scale reading head which is configured to overlap the one-dimensional scale, irradiate a measuring beam to the overlapped one-dimensional scale and measure a 1D y-axis coordinate of the transferring stage; a two-dimensional encoder on the transferring stage; and a two-dimensional encoder reading head which is configured to overlap the two-dimensional encoder, irradiate a measuring beam to the overlapped two-dimensional encoder and measure a 2D x-axis coordinate and a 2D y-axis coordinate of the transferring stage.

Abstract: The present invention relates to a method of fabricating a display device using a maskless exposure apparatus, and the display device, and more particularly, to a method of fabricating a display device by using a maskless exposure apparatus, which is capable of preventing a stain from being viewed, and the display device.

Abstract: Exemplary embodiments of the invention relate to an alignment apparatus including a source unit providing an electromagnetic signal, a receiving unit detecting the provided electromagnetic signal, and a polarization element positioned between the source unit and the receiving unit and having a transmissive axis fixed in a predetermined direction. A substrate may be positioned between the source unit and the receiving unit, and may be formed with a polarizer including a plurality of metal lines with a minute linear pattern. The luminance or intensity of the electromagnetic signal may be detected by the receiving unit while rotating the substrate.

Abstract: A positive photoresist composition including a novolac resin, a photo active compound (PAC), a melamine crosslinking agent, and a solvent.

Abstract: Exemplary embodiments of the present invention relate to a photoresist composition and method of forming a color filter using the same. A photoresist composition according to an exemplary embodiment includes about 5% by weight to about 10% by weight of a binder resin, about 5% by weight to about 10% by weight of a monomer, about 1% by weight to about 15% by weight of a photo initiator configured to be activated a light having a peak wavelength from about 400 nm to about 410 nm, about 1% by weight to about 10% by weight of a pigment, about 0.01% by weight to about 1% by weight of a pigment dispersing agent, and a solvent.

Abstract: An ink composition, and a method of forming a pattern, a color filter and a method of manufacturing the color filter using the same. The ink composition includes a binder resin, a multifunctional monomer having an ethylenic unsaturated double bond, a coloring agent, a polymerization initiator containing a certain positive ion and a solvent. Therefore, the composition has excellent coating property and chemical resistance and also an improved adhesion to a printing member, and thus the ink composition may be useful in forming a precise micropattern using a roll printing method, particularly a reversed printing method.

Abstract: A method of forming a pattern and a manufacturing method of a liquid crystal display includes forming the pattern with a thin thickness by coating a pattern material on a printing roll using a nozzle, removing a surplus portion of the pattern material from the printing roll by using a plate, and transferring the pattern material remaining on the printing roll to a substrate to form the pattern.

Abstract: A sealing composition and a method of manufacturing a display panel using the sealing composition are disclosed. The sealing composition includes about 10% by weight to about 80% by weight of a denatured epoxy resin having a methacrylate group, about 5% by weight to about 40% by weight of a photo-curing acrylate monomer, about 1% by weight to about 10% by weight of a heat-curing agent, about 1% by weight to about 10% by weight of a photo-polymerization initiator, about 5% by weight to about 50% by weight of a filler, about 1% by weight to about 10% by weight of a flexibility improving agent and about 0.001% by weight to about 8% by weight of an additive.

Abstract: A printing plate cleaning apparatus may include a cleaning chamber configured to receive a printing plate to be cleaned, a nozzle supporter in the cleaning chamber, and/or a unified nozzle unit that includes a cleaning nozzle unit and a rinsing nozzle unit unified as a body and attached to the nozzle supporter. The cleaning nozzle unit may include a cleaner nozzle configured to inject cleaner to the printing plate and/or a first suction nozzle suctioning waste. The rinsing nozzle unit may include a rinsing liquid nozzle configured to inject rinsing liquid to the printing plate and/or a second suction nozzle suctioning the waste. A printing plate cleaning apparatus may include the cleaning chamber, a cleaning nozzle unit in the cleaning chamber, and/or a rinsing nozzle unit in the cleaning chamber. The cleaning and rinsing nozzle units may be configured to move together with each other in the cleaning chamber.

Abstract: A method for manufacturing a display substrate includes forming a plastic base substrate. A blocking layer is formed on a surface of the plastic base substrate by depositing a first material and a second material that are distinct. A substrate includes a plastic base substrate and a blocking layer formed at surfaces of the plastic base substrate and having a first layer and a second layer alternatingly. The first layer and second layer include continuously changing component ratio of a first material to a second material. The blocking layer effectively blocks moisture and/or oxygen.

Abstract: A substrate aligning unit includes a first driving roll, a second driving roll, a web guider, an encoder roll, and a controller. The first driving roll transfers a substrate in a first direction. The second driving roll is disposed spaced apart from the first driving roll in the first direction and transfers the substrate in the first direction. The web guider controls a position of the substrate in a second direction substantially perpendicular to the first direction. The encoder roll senses the position of the substrate to generate a sensing signal. The controller controls the first driving roll, the second driving roll, and the web guider based on the sensing signal.

Abstract: A display device is provided. The display device includes: a substrate including a unit display area, a fixing member that is formed on the substrate and that is electrically isolated, an insulating layer that is formed on the fixing member, a fixing electrode that is formed on the insulating layer and that is electrically connected to a power source, and a plurality of moving members with one end fixed to the insulating layer and positioned apart by a distance from the fixing electrode. The plurality of moving members and the fixing electrode are positioned within the unit display area.

Abstract: A display apparatus includes first, second and third substrates, first and second liquid crystal layers, first and second polarizing elements and a phase retarding element The first substrate includes a first electrode part. The first liquid crystal layer is disposed on the first substrate. The second substrate is disposed on the first liquid crystal layer and includes a color filter and a second electrode part on a first surface and a third electrode part on a second surface. The second liquid crystal layer is disposed on fee second substrate. The third substrate is disposed on the second liquid crystal layer and includes a fourth electrode part on a first surface. The first polarizing element is disposed under the first liquid crystal layer. The second polarizing element is disposed over the first liquid crystal layer. The phase retarding element is disposed over the second liquid crystal layer.

Abstract: A flexible and continuous substrates-conveying sheet has a plurality of to be processed substrates disposed on or in it. A nondestructive transferring unit includes a plurality of first transferring rolls and a plurality of second transferring rolls. The first transferring rolls make contact with a first surface of the substrates-conveying sheet where that surface can have electrostatically-induced charge formed thereon. Each of the first transferring rolls includes a first central portion charged with a positive electric charge and a first outer portion surrounding the first central portion. The second transferring rolls make contact with the first surface of the substrates-conveying sheet. The second transferring rolls are disposed alternately with the first transferring rolls. Each of the second transferring rolls includes a second central portion charged with a negative electric charge and a second outer portion surrounding the second central portion.

Abstract: A vacuum roll-to-roll device includes: a first chamber; a second chamber neighboring the first chamber; a shutter disposed between the first chamber and the second chamber; a sealing member attached to the shutter; and a roll-type substrate which moves from the first chamber to the second chamber through the sealing member. A thickness of a lateral side of the roll-type substrate decreases in a direction toward an edge thereof.