Abstract: Disclosed is a liquid crystal display device having stairs type driving signal capable of preventing over twist of liquid crystal and improving response time properties by applying data signal of stairs type pulse signal when a gate signal is applied to drive TFT.

Abstract: A thin film transistor liquid crystal display is capable of improving a screen quality by preventing generation of residual ions in pixels. The disclosed comprises a substrate; a plurality of gate bus lines arranged to a predetermined direction on the substrate, having a gate pad unit for applying driving signals; a plurality of data bus lines cross-arranged with the gate bus lines to define a unit pixel, having a data pad unit for applying graphic signals; a thin film transistor arranged at the intersection of the data bus lines and gate bus lines; a pixel electrode arranged in the unit pixel region to be in contact with the thin film transistor; and a plurality of common bus lines arranged parallel with the gate bus lines, having a common pad unit for regularly applying common signals to pixels; and wherein a shielding line is arranged to be in contact with the common bus line and parallel with the data bus line on the outer side of pixels adjacent to the common pad unit and gate pad unit.

Abstract: Disclosed is an IP-FFS mode LCD realizing high screen quality by preventing a lowering of transmittance.

Abstract: Is disclosed a liquid crystal display having a gate bus line arranged in a first direction on a substrate, a data bus line arranged in a second direction substantially perpendicular to the first direction on the substrate, the data bus line defining a space for an unit pixel of the LCD together with the gate bus line, a counter electrode formed in the unit pixel space of the LCD and having at least three first part extended in the second direction, and a pixel electrode having at least two second parts, the second part extended between the first parts of the counter electrode and disposed in the second direction, the second part slanting to one side of adjacent first parts thereto, so that an intensity of an electric field at one portion of the unit pixel space is different at another portion of the unit pixel space. Accordingly, a color shift of the LCD is prevented.

Abstract: Disclosed is a optically compensated splay mode liquid crystal display. The device includes: lower and upper substrates opposed with intervening a selected distance and having driving electrodes in their inner surfaces respectively and a liquid crystal layer sandwiched between the lower and the upper substrates and having a plurality of liquid crystal molecules, wherein no voltage is applied to the driving electrodes, the liquid crystal molecules are arranged in a bend state, and wherein a voltage above a critical voltage is applied to the driving electrodes, the liquid crystal molecules are arranged in a splay state which makes a symmetry of up and down with respect to a middle layer of the liquid crystal layer.

Abstract: A liquid crystal display comprising: a lower substrate having a plurality of gate bus lines being parallel each other and data bus lines being parallel each other to define pixels together with the gate bus lines, a thin film transistor provided at each intersection of the data bus line and the gate bus line, a pixel electrode formed in the pixel and connected to the thin film transistor, and a counter electrode formed in the pixel and forming electric field together with the pixel electrode; an upper substrate opposed to the lower substrate to be separated apart; a liquid crystal layer interposed between the lower substrate and the upper substrate, and homeotropic alignment layers formed on the lower substrate and the upper substrate; wherein, the pixel is divided into a plurality of electric field-formed spaces by the counter electrode and the pixel electrode, and the electric fields formed in the respective spaces are formed as diagonal lines with respect to the gate bus lines and the data bus lines thereb

Abstract: Disclosed is a fringe field switching mode liquid crystal display (LCD) in which the direction of a fringe field produced at one unit pixel is orthogonal to the direction of a fringe field produced at each of unit pixels adjacent to the one unit pixel. The disclosed fringe field switching mode LCD includes counter electrodes and pixel electrodes arranged on a back substrate to produce a fringe field having horizontal elements parallel to data bus lines at one unit pixel while producing a fringe field having horizontal elements parallel to gate bus lines at each of unit pixels longitudinally and laterally adjacent to the one unit pixel. In this LCD, the rubbing axis of a back horizontal alignment film defines an angle of ±45±10° with respect to each of the gate bus lines.

Abstract: A liquid crystal display device, and a manufacturing method thereof, having an existing box-like counter electrode connected to the source/drain electrode through a first contact hole in the gate insulating film and so is used as the pixel electrode, and the existing slit-shaped counter electrode is connected to the non-transparent metallic common bus line through a second contact hole in the gate insulating film and so becomes the counter electrode while maintaining the existing process layer structure as it is, so that even if a short circuit occurs between the gate bus line and the pixel electrode in the same layer due to the particle, degradation is limited to only one pixel, which results in enhancing of the process yield.

Abstract: The present invention is directed to provide a liquid crystal display having an improved picture quality, high transmittance and high aperture ratio.

Abstract: Disclosed is a reflective liquid crystal display having high transmittance and a method for manufacturing the same.

Abstract: Disclosed is a fringe field switching liquid crystal display (FFS-LCD) and a method for manufacturing the same.

Abstract: Disclosed is a liquid crystal display having high aperture ratio and high transmittance comprising: first and second transparent insulating substrates opposed with intervening a liquid crystal layer; gate bus lines and data bus lines arranged cross to each other on the first transparent insulating substrate so as to define pixel regions; a counter electrode disposed within each pixel region, made of a transparent conductive material, and having a plurality of first branches disposed parallel with the data bus lines with equal distance and a bar connecting one ends of the first branches; a common signal line applying a common signal to the counter electrode disposed within each pixel region, contacted with the bar of the counter electrode, disposed parallel with the gate bus line, and having a pair of second branches branched toward the data bus line and disposed between the data bus line and the first branches of both edges of the counter electrode; a pixel electrode disposed within each pixel region to gener

Abstract: A liquid crystal display device capable of realizing high aperture ratio and high brightness by reducing or removing a conventional black matrix layer is provided. The device has a lower substrate and an upper substrate confronting each other. A counter electrode is formed on the lower substrate, and a pixel electrode is formed on the counter electrode with an insulating layer interposed. A lower polarizing plate and an upper polarizing plate are attached on respective outer sides of the lower and the upper substrates. The device further has a gate bus line and a data bus line. Particularly, a rubbing direction of the lower substrate corresponds with a direction of noise field formed between the data bus line and the pixel electrode or the counter electrode and between the gate bus line and the pixel electrode or the counter electrode.

Abstract: A reflective type fringe field switching mode liquid crystal display device having improved contrast is provided. The device has a lower and an upper substrates arranged with a distance and having a unit pixel defined therein. Between the substrates, a liquid crystal layer having a plurality of liquid crystal molecules are interposed. A counter electrode is formed on an inner surface of the lower substrate in the unit pixel. A pixel electrode is formed above the counter electrode. The pixel electrode and the counter electrode generate a fringe field for driving the liquid crystal molecules in the unit pixel. A horizontal alignment layer having a rubbing axis is interposed between the lower substrate and the liquid crystal layer, and a vertical alignment layer is interposed between the upper substrate and the liquid crystal layer. In addition, a polarizer is disposed on an outer surface of the upper substrate and having a polarizing axis.

Abstract: A method of manufacturing a liquid crystal display device driving with fringe field between counter and pixel electrodes, by the following steps. First, by depositing a first transparent conductive layer on a transparent insulating substrate and etching the first transparent conductive layer, thereby forming a counter electrode. Second, by forming a first insulating layer as a protection layer on the substrate formed on the counter electrode. Third, by depositing a first metal layer on the first insulating layer and etching the first metal layer, thereby forming a gate bus line and a common electrode line, the common electrode line being in contact with the counter electrode. Fourth, by forming a gate insulating layer, an amorphous silicon layer and a second insulating layer on the substrate formed on the gate bus line and the common electrode line. Fifth, by etching the second insulating layer to form an etch stopper.

Abstract: Disclosed is a reflective liquid crystal display having high transmittance and a method for manufacturing the same.

Abstract: Disclosed is a fringe field switching mode LCD. The disclosed comprises a first and a second transparent insulating substrates arranged opposite to each other with a predetermined distance, with a liquid crystal layer including a plurality of liquid crystal molecules interposed between them; a plurality of gate bus lines and data bus lines formed on the first transparent insulating substrate and arranged in a matrix form to define a unit pixel; a thin film transistor formed at the intersection of the gate bus line and the data bus line; a counter electrode disposed in each unit pixel, made of transparent conductor; and a pixel electrode arranged in each unit pixel to generate a fringe field with the counter electrode, being insulated with the counter electrode and made of transparent conductor and including a plurality of upper slits and lower slits symmetrical each other with respect to long side of the pixel with a predetermined tilted angle.

Abstract: This invention provides a method for manufacturing a fringe field switching mode liquid crystal display.

Abstract: In a liquid crystal display having an upper substrate and a lower substrate opposite thereto, a liquid crystal molecules interposed therebetween, a gate bus and data bus line arranged in a first direction and the second direction respectively on the lower substrate, thus defining a space for an unit cell of the liquid crystal display, a channel layer at the intersection of the gate bus line and the data bus line, a counter electrode and a pixel electrode for operating the liquid crystal molecules disposed at unit cell and an insulating layer for isolating the gate bus line from the data bus line, the part of the counter electrode and the part of the pixel electrode by which the electric field parallel to the gate bus line are located in the space for unit cell and has sectional view of a substantial triangle shape.

Abstract: Disclosed is a reflective liquid crystal display having high transmittance and a method for manufacturing the same.