Abstract: A liquid crystal display includes a first substrate, a pixel electrode disposed on the first substrate, a first alignment layer disposed on the first substrate and the pixel electrode, a second substrate disposed opposite to the first substrate; a common electrode disposed on the second substrate, a second alignment layer disposed on the second substrate and the common electrode, and a liquid crystal layer disposed between the first substrate and the second substrate, in which the liquid crystal layer includes a plurality of liquid crystal molecules and a chiral dopant, and the first alignment layer and the second alignment layer include polymers formed by photo-polymerization of reactive mesogen.

Abstract: Disclosed is a color filter ink composition that includes an acrylic-based copolymer resin including repeating units represented by a particular chemical formula, a polymerizable monomer, a pigment, and a solvent. According to the present invention, the color filter ink composition can have excellent ejection properties and ejection stability by using a new acrylic-based copolymer resin as a binder resin, and also can have excellent storage stability, so that it can be used for a long period. In addition, a pattern formed using the color filter ink composition can have improved heat resistance, chemical resistance, and film strength.

Abstract: A thin film transistor (“TFT”) includes a gate electrode, a gate insulating layer, a source electrode, a drain electrode and a semiconductor layer. The gate insulating layer is disposed on the gate electrode. The source electrode is disposed on the gate insulating layer. The drain electrode is disposed on the gate insulating layer. The drain electrode is spaced apart from the source electrode. The semiconductor layer is disposed on the gate insulating layer. The semiconductor layer makes contact with a side surface of the source electrode and a side surface of the drain electrode.

Abstract: A liquid crystal dropping method and a liquid crystal display manufacturing method using the same are disclosed. The method for dropping a liquid crystal includes dropping a liquid crystal along a plurality of liquid crystal dropping routes on a display panel where a plurality of pixels are arranged in a matrix form, wherein a relative position of a first liquid crystal dropping route passing a first pixel among the plurality of pixels with respect to the first pixel, and a relative position of a second liquid crystal dropping route passing a second pixel among the plurality of pixels with respect to the second pixel, are substantially equivalent to each other.

Abstract: An inkjet printer head including a nozzle part, a driving part, a printing liquid supplying part, an adhesive and a leak preventing part. The nozzle part includes a first surface and a second surface opposite the first surface. A nozzle is formed in the first surface sprays a printing liquid. A receiving hole is formed in the second surface receives the printing liquid. The driving part is disposed on the second surface of the nozzle part and drives the nozzle part. The printing liquid supplying part supplies the printing liquid to the nozzle part. The adhesive bonds the printing liquid supplying part onto the second surface. The receiving hole is formed in the second surface. The leak preventing part is disposed between the printing liquid supplying part and the driving part. The leak preventing part is formed to cover an exposed surface of the adhesive.

Abstract: Provided is a liquid crystal display including: a first substrate; a thin film transistor disposed on the first substrate; a passivation layer disposed on the thin film transistor and comprising a contact hole exposing an electrode of the thin film transistor; a pixel electrode disposed on the passivation layer and connected to the electrode of the thin film transistor through the contact hole; a lower buffer layer disposed on the pixel electrode; a lower alignment layer disposed on the lower buffer layer; a second substrate facing the first substrate; a common electrode disposed on the second substrate; an upper buffer layer disposed on the common electrode; and an upper alignment layer disposed on the upper buffer layer, in which the lower buffer layer comprises parylene, the upper buffer layer comprises parylene, or both the lower and the upper buffer layers comprise parylene.

Abstract: Provided are method of controlling nozzles of an inkjet head and an apparatus for measuring the amounts of ink ejected from the nozzles of the inkjet head. The method includes: preparing a mass measuring device, which measures the mass of ink by using an oscillation change, in a pixel; ejecting ink into the pixel from a nozzle of the inkjet head, and measuring the amount of ink ejected from the nozzle by using the mass measuring device; and adjusting a voltage waveform applied to the nozzle of the inkjet head.

Abstract: The present invention relates to a liquid crystal display that maintains a more uniform cell gap and improves adherence between two display panels by improving adhesion between substrates and their bead spacers, as well as a manufacturing method thereof. An exemplary liquid crystal display includes: a first substrate and a second substrate facing each other; a bead spacer comprising a plurality of beads and a first adhesive coupling the beads to the first substrate; a second adhesive corresponding to the bead spacer and disposed on the second substrate so as to contact the bead spacer; and a liquid crystal layer disposed between the first substrate and the second substrate.

Abstract: Provided are method of controlling nozzles of an inkjet head and an apparatus for measuring the amounts of ink ejected from the nozzles of the inkjet head. The method includes: preparing a mass measuring device, which measures the mass of ink by using an oscillation change, in a pixel; ejecting ink into the pixel from a nozzle of the inkjet head, and measuring the amount of ink ejected from the nozzle by using the mass measuring device; and adjusting a voltage waveform applied to the nozzle of the inkjet head.

Abstract: A selective surface treatment method using a block copolymer, a black matrix and a method of manufacturing the same, and a nozzle plate and a method of manufacturing the same are provided. According to the method of manufacturing a nozzle plate, a block copolymer layer including an ink-phobic polymer block and an ink-philic polymer block may be formed on a stamp, a substrate having nozzles formed therein and an ink-philic coating film formed on an outer surface of the substrate and inner walls of the nozzles may be prepared, and the block copolymer layer formed on the stamp may be transferred onto an upper surface of the ink-philic coating film formed on the outer surface of the substrate.

Abstract: Provided is a pigment distribution system. The pigment distribution system includes a pigment encapsulated by physically adsorbing a diblock copolymer to the pigment. The diblock copolymer is represented by Formula 1 below: where -A- denotes a hydrophilic monomer, -B- denotes a hydrophobic monomer, m denotes an integer ranging from 1 to 10, and n denotes an integer ranging from 3 to 30, wherein hydrophilic monomers of neighboring diblock copolymer chains are crosslinked using a crosslinker.

Abstract: Provided are an apparatus and method for measuring the thickness of an ink layer in a pixel and a method of controlling nozzles of an inkjet head using the apparatus and method. The apparatus includes: a substrate; a plurality of pixels disposed on the substrate and filled with ink due to a printing operation; first and second electrodes corresponding to the pixels, the first and second electrodes disposed on opposite sides of each of the pixels; and a capacitance measurement circuit electrically connected to the first and second electrodes to measure the capacitance of each of the pixels.

Abstract: A touch screen substrate includes an insulation ball formed on a substrate having a first diameter, a sensing electrode formed on the substrate, and a conductive ball formed on the sensing electrode having a second diameter shorter than the first diameter. A cell gap spacer for maintaining a cell gap of a touch screen panel and a spacer for electrically connecting a lower substrate with an upper substrate of the touch screen panel may be formed via a single spraying process.

Abstract: A nozzle plate of an inkjet printhead, and a method of manufacturing the nozzle plate. The nozzle plate includes a substrate through which nozzles are formed; an ink-philic coating layer formed on an outer surface of the substrate and inner walls of the nozzles; and an ink-phobic coating layer selectively formed on the ink-philic coating layer disposed around the nozzles.

Abstract: A nozzle plate for an inkjet head and a method of manufacturing the nozzle plate includes a silicon substrate having a nozzle, a thermally oxidized silicon layer formed on an outer surface of the silicon substrate and an inner wall of the nozzle, an adhesion layer deposited on the thermally oxidized silicon layer formed on the outer surface of the silicon substrate and formed of silicon oxide, and an ink-repellent coating layer deposited on the adhesion layer.

Abstract: Provided are a nozzle plate of an inkjet printhead and a method of manufacturing the same. The nozzle plate includes: a substrate including a plurality of nozzles; and a plurality of first grooves formed on the surface of a substrate around the nozzles. In this structure, ink remaining on the surface of the nozzle plate can be efficiently removed.

Abstract: A piezoelectric type inkjet printhead includes an upper substrate including a pressure chamber to be filled with ink that is to be ejected, a reservoir to store ink that flowed in from an ink container, a restrictor connect the reservoir to one end of the pressure chamber, an intermediate substrate comprising a damper formed on a portion of the intermediate substrate, which corresponds to other end of the pressure chamber, a lower substrate comprising a nozzle to eject ink and formed in a portion of the lower substrate, which corresponds to the damper, a hydrophobic layer formed on a bottom of the lower substrate, and a piezoelectric actuator formed on the upper substrate to supply driving power to eject ink to the pressure chamber, wherein the nozzle is formed in the lower substrate at a predetermined depth from a bottom surface of the lower substrate.

Abstract: A nozzle plate usable with an inkjet printhead includes a substrate through which a plurality of nozzles are formed, an ink-philic material layer formed on an outer surface of the substrate and inner walls of the nozzles, and a plurality of nonwetting coating layers sequentially formed on the ink-philic material layer formed on the outer surface of the substrate, each nonwetting coating layer including an adhesive layer and an ink-phobic material layer deposited on the adhesive layer.

Abstract: A nozzle plate of an inkjet printhead, and a method of manufacturing the nozzle plate. The nozzle plate includes a substrate through which nozzles are formed; an ink-philic coating layer formed on an outer surface of the substrate and inner walls of the nozzles; and an ink-phobic coating layer selectively formed on the ink-philic coating layer disposed around the nozzles.

Abstract: An inkjet head having a hydrophobic coating layer and a method of forming the hydrophobic coating layer on a surface of a nozzle plate of the inkjet head. The method includes filling a wax into a plurality of nozzles formed in the nozzle plate while coating the surface of the nozzle plate with wax, removing the wax from the surface of the nozzle plate, forming a hydrophobic coating layer on the surface of the nozzle plate, melting the wax filled in the nozzles, and removing portions of the hydrophobic coating layer covering the nozzles by discharging the melted wax through the nozzles using heat and/or pressure. Therefore, the hydrophobic coating layer is uniformly formed only on an outer surface of the nozzle plate, without forming the hydrophobic coating layer in an inner surface of the nozzles, thereby improving an ink ejecting performance of the nozzles.