Abstract: A liquid crystal display including a first substrate; a light-blocking member disposed on the first substrate; an emission layer disposed on the first substrate; an ultraviolet-light blocking filter disposed on the emission layer; a lower polarizer disposed on the ultraviolet-light blocking filter; a gate line and a data line disposed on the lower polarizer and substantially perpendicular to each other; a thin film transistor electrically connected to the gate line and the data line; a pixel electrode electrically connected to the thin film transistor; a second substrate disposed facing the first substrate; a common electrode disposed on the second substrate; and a liquid crystal layer interposed between the first substrate and the second substrate.

Abstract: An exemplary embodiment of a display device according to the present invention includes; a cholesteric liquid crystal display including a plurality of cholesteric liquid crystal regions, wherein each of the plurality of cholesteric liquid crystal regions respectively reflect light of predetermined colors, and the plurality of cholesteric liquid crystal regions are classified into two or more different types according to the predetermined color of the reflected light, and an assistance display device including a plurality of emitting regions, wherein each of the plurality of emitting regions is disposed in alignment with one of the plurality of cholesteric liquid crystal regions, and each of the plurality of emitting regions respectively emits light of substantially the same color as the predetermined color of the light reflected by the cholesteric liquid crystal region with which it is aligned.

Abstract: An apparatus for printing a liquid crystal alignment layer of uniform thickness on a substrate of an LCD and a method for its use include an ink jet head that prevents the formation of stripes in the alignment layer as a result of variations in thickness of the alignment layer. The apparatus includes an alignment layer ink ejecting unit that includes an orifice unit having a plurality of orifices, and a plurality of control units, each including a piezoelectric element that controls the flow of ink through a corresponding one of the orifices. Each of the orifices includes a plurality of ink ejection passages through which the ink is ejected, and each of the passages terminates at nozzle, or ink ejection hole.

Abstract: In a method of manufacturing a display substrate, a color filter is formed on a first substrate including a switching element. A pixel electrode is formed on the first substrate including the color filter. An inorganic alignment layer including an inorganic compound is formed on the first substrate including the pixel electrode. Thus, impurities generated from the color filter may be blocked from flowing into a liquid crystal layer, and liquid crystal molecules of the liquid crystal layer may be aligned by the inorganic layer.

Abstract: The present invention provides photo-reactive compound. The photo-reactive compound, in which chains are combined to a polymer backbone that is used for a photo-alignment layer compound, is represented by the following Formula 1 or Formula 2. L denotes a substituted or unsubstituted alkyl group having at least 1 but no more than 18 carbons, V denotes a substituted or unsubstituted alkyl group having at least 1 but no more than 18 carbons, R1, R2, and R3 each denote H or a substituted or unsubstituted alkyl group having at least 1 but no more than 18 carbons, X+Y=1, 0<X, and Y<1.

Abstract: A liquid crystal composition includes a biaxial liquid crystal molecule and has improved response speed.

Abstract: The present invention relates to a method of manufacturing a liquid crystal display, the method including; disposing a thin film transistor having an input terminal and an output terminal on a first substrate, connecting a pixel electrode to the output terminal, disposing an organic layer on the pixel electrode, forming a first alignment layer having at least tow different alignment directions by disposing a mask on the organic layer and radiating an ion beam to the organic layer, disposing a common electrode on a second substrate corresponding to the first substrate, forming a second alignment layer having at least tow different alignment directions on the common electrode, and disposing a liquid crystal layer between the first alignment layer and the second alignment layer.

Abstract: A photoalignment material includes an alignment polymer, a photoalignment additive including a compound represented by the following Chemical Formula 1 and an organic solvent. In Chemical Formula 1, R1 represents a cyclic compound. A and B independently represent a single bond or —(CnH2n)—. “n” represents an integer in a range of 1 to 12. Each —CH2— of A and/or B may be replaced with R3 represents an alkyl group having 1 to 12 carbon atoms, and each —CH2— of A and/or B may be replaced with —O—. R4 represents In Chemical Formula 1, each hydrogen atom excluding hydrogen atoms of R4 may be replaced with chlorine (Cl) or fluorine (F). Thus, an alignment layer having an orientation may be formed without an alignment polymer having a photoreactive portion, and the density of the alignment layer may be increased.

Abstract: In an apparatus and a method for the printing of spacers in a pattern on substrates of display panels, a printer head includes a plurality of nozzle holes. Each printer head includes a nozzle group having a plurality of nozzle holes. A nozzle group may be selected by the conduction wirings on the vibration membrane and top plate sandwiching the piezoelectric actuators. To print complex patterns on the substrate a plurality of printer head sets, a plurality of printer heads in a line, can be arranged in various configurations.

Abstract: A method of manufacturing a liquid crystal display includes; disposing a thin film transistor having an output terminal on a first substrate, disposing a pixel electrode in connection with the output terminal, disposing an inorganic layer on the pixel electrode, and converting the inorganic layer to a first alignment layer by disposing a mask on the inorganic layer and radiating an ion beam in a plurality of directions.

Abstract: A liquid crystal display includes a first substrate, a first field generating electrode formed on the first substrate, a second substrate facing the first substrate, a second field generating electrode formed on the second substrate, and a liquid crystal layer formed between the first field generating electrode and the second field generating electrode, wherein at least one of the first field generating electrode and the second field generating electrode includes zinc aluminum oxide (ZAO), and the driving voltage is in a range of about 3.7 volts to about 5.6 volts for a transmittance of 90% (T90).

Abstract: Disclosed is a method of cutting a liquid crystal display (LCD) unit cell from an LCD assembly panel. The method includes applying a coolant onto heated cutting path formed on the LCD assembly panel. A rapidly heated portion of the substrate is rapidly cooled using water having a high specific heat or a mixed coolant in which a material for improving characteristics of surface tension, viscosity and thermal conductivity is dissolved in water. Therefore, the cutting quality of the substrate is improved, and a cutting speed is also enhanced.

Abstract: An apparatus for printing spacers on a substrate of an LCD includes a spacer supply roller having a plurality of recesses formed in its exterior surface. A plurality of uniform volumes of an ink containing the spacers is loaded into the recesses and then transferred from the supply roller onto a transfer belt that is arranged to move tangentially with respect to the supply roller by means of a transfer roller and an auxiliary roller. The LCD substrate is then moved tangentially with respect to the moving transfer belt such that the ink volumes on the transfer belt are transferred onto the substrate at selected locations thereon. The continuously rotating components of the apparatus enable it to accommodate LCD panels of any size without the need for large spacer supply substrates and transfer rollers and prevent the inadvertent deposition of multiple layers of spacers on the substrate.

Abstract: In a display device, first and second substrates parallel to each other are arranged between first and second polarizers that are parallel to each other. A liquid crystal layer is arranged between the first and second substrates, and a light emitting layer having a quantum dot structure is arranged on the first polarizer. Also, a light source that emits a blue light is arranged under the second polarizer. Thus, the display device may improve a light utilizing efficiency, thereby improving a display quality.

Abstract: A manufacturing apparatus of a liquid crystal display includes a spacer supply plate provided with a plurality of grooves into which spacers are injected, a transcribing roller into a surface of which the spacers are first-transcribed thereof, and a support plate mounting a panel into which the spacers on the surface of the transcribing roller are second-transcribed.

Abstract: A color filter substrate enhances image quality and reduces light leakage. The method of manufacturing the same is also disclosed. The color filter substrate includes a substrate, a color filter, a light-blocking member and a plurality of granular light-blocking spacers. The substrate includes a light blocking area. The color filter is disposed on the substrate. The light-blocking member is disposed in the light blocking area on the substrate. The granular light-blocking spacers are disposed in the light blocking area, thereby reducing the light leakage, enhancing the image quality, and simplifying manufacturing process.

Abstract: An apparatus for manufacturing a display panel includes a printing plate having a plurality of recesses formed on its surface and a hole formed at at least one end thereof, a transfer roller for receiving ink injected in the recesses, a supporting plate for supporting a substrate thereon, wherein the ink from the transfer roller is transferred onto the substrate according to a rotation of the roller, and an ink re-using unit positioned in the hole. Productivity can be improved by reducing a fabrication cost by provision of the ink re-using unit to re-use ink.

Abstract: A liquid crystal display apparatus includes first and second substrates, a fence, a liquid crystal layer and a plurality of spacers. The first substrate includes a display region for displaying an image. The second substrate faces the first substrate. The fence is disposed between the first substrate and the second substrate. The fence surrounds the display. The spacers maintain the distance between the first and second substrates. The spacers have a gradually increasing compression ratio in a direction from a center of the display region to an edge of the display region. The liquid crystal display apparatus maintains a uniform cell gap, even though a compressive stress of a center portion of the liquid crystal display apparatus is different with a compressive stress of an edge portion of the liquid crystal display apparatus. Therefore, display quality is enhanced.

Abstract: A display device includes a first panel having a pixel electrode, a second panel having a common electrode facing the first panel, a liquid crystal layer interposed between the first panel and the second panel and having vertically-aligned liquid crystal molecules, a first alignment layer disposed on the pixel electrode, and a second alignment layer disposed on the common electrode. At least one of the first alignment layer and the second alignment layer divides the pixel electrode into a plurality of domains and is formed to have a plurality of pretilt directions which pretilt the vertically-aligned liquid crystal molecules in a domain of the plurality of domains. A sum of horizontal component directions of a pretilt direction of the plurality of pretilt directions is substantially equivalent to a sum of horizontal component directions of a fringe field at a peripheral boundary of the pixel electrode in the domain.

Abstract: A display device includes: a first panel having a pixel region including a pixel electrode therein; a second panel having a common electrode facing the first panel; a liquid crystal layer having vertically aligned liquid crystal molecules interposed between the first and second panels; a first alignment layer disposed on the pixel electrode; and a second alignment layer disposed on the common electrode. At least one of the pixel electrode and the common electrode has a micro slit pattern. At least one of the first and second alignment layers divides the pixel region into domains, is formed to have pretilt directions corresponding to a given domain, and pretilts the vertically aligned liquid crystal molecules in the given domain. A direction of summed horizontal components of a fringe field at an edge of the pixel region is substantially equal to a direction of summed horizontal components of a pretilt direction of the at least one of the first and second alignment layer.