Abstract: The present invention relates to a liquid crystal display having no gate PCB and FPC. This comprises: a liquid crystal panel formed by an assemble an array substrate and a color filter substrate with a liquid crystal layer interposed therebetween; a plurality of source TCPs and gate TCPs, which are attached to a source and a gate of the liquid panel, respectively, and mounted with a gate driver IC and a source driver IC, respectively; a source PCB connected to the source TCPs and serving to apply a given driving signal to the source driver IC; a LOG formed on the liquid crystal panel such that a signal from the source PCB is applied to the gate driver IC via the gate TCPs; and transfers formed between the substrates at edges of the liquid crystal panel such that common voltage is applied to the color filter substrate. In this liquid crystal display, the LOG consists of gate driver IC-driving signal lines without having a common line for connecting the transfers with each other.

Abstract: High screen quality In Plane-Fringe Field Switching mode Liquid Crystal Device (“LCD”) having plural gate bus and data bus line cross-arranged on a transparent substrate; common bus lines parallel with the gate bus line; thin film transistor at the intersection of the gate bus and the data bus lines; counter electrode, including a first body parallel with the data bus lines and a plurality of first branches, the end of one side being in contact with the first body, the first branches having a predetermined angle symmetric with the common bus line; and pixel electrode, including a second body parallel with the data bus line and plural second branches, the other end being in contact with the second body and the one end being extended to the upper part of the first branches, the second branches being on the same layer with the first branches, extending parallel between the first branches.

Abstract: An LCD comprises: an upper array substrate and a lower color filter substrate, which are opposed and spaced a predetermined distance to each other; a reflective film formed in a matrix on a non-pixel section on the color filter substrate; a black-matrix formed on the reflective film; red, green, and blue color filters, formed on pixel sections of the color filter substrate defined by the black-matrix; a lower orientation film formed on the whole area of substrates including the color filters and black-matrix; a pixel electrode formed on the pixel section on the array substrate; an upper orientation film formed on the whole area of substrates including the pixel electrode; a liquid crystal layer interposed between the color filter substrate and the array substrate; a partially masked lower polarizer mounted outside the color filter substrate, in which a portion under the non-pixel section does not have polarization function; and an upper polarizer mounted outside the array substrate.

Abstract: A liquid crystal display device with plastic substrates is disclosed, which comprises: a subsidiary substrate, upper and lower plastic substrates including edge grooves and being fixed on the subsidiary substrate by heat resistant tapes and being joined with liquid crystals sealed there-between, and alignment layers formed on the surfaces which face one another of the upper and lower plastic substrates.

Abstract: Disclosed is a reference voltage generating circuit for a liquid crystal display liquid crystal display.

Abstract: The present invention relates to a method for fabricating a thin film transistor liquid crystal display, which comprises the steps of: forming a gate electrode on an insulating substrate; successively forming first and second insulating films on the insulating substrate including the gate electrode, the first insulating film being formed under first deposition conditions including power, pressure and electrode interval, the second insulating film being formed under second deposition conditions where at least one of the first deposition conditions is changed continuously over time; successively forming first and second amorphous silicon layers on the second insulating film to form an active layer; successively forming an ohmic contact layer and a source/drain electrode on the active layer; and forming a protective film on the resulting structure including the source/drain electrode.

Abstract: The present invention relates to a reflective liquid crystal display and a fabricating method thereof. The reflective liquid crystal display of the present invention comprises a gate formed on a transparent substrate; an insulating film formed on a transparent electrode including the gate; an amorphous silicon layer pattern, an ohmic layer pattern and a source/drain region deposited on the insulating film; a resin layer which is formed on the entire structure including the source/drain region such a manner that the drain region is partially exposed through the resin layer; a first reflective electrode formed on the resin layer including the drain region; and a second reflective electrode of an uneven shape formed on the first reflective electrode.

Abstract: Liquid crystal display devices having stairs type driving signal capable of preventing over-twist and improving response time properties by applying data signal of stairs type pulse signal when a gate signal is applied to drive the TFT, including upper and lower substrates with an interposed liquid crystal layer driving electrodes to drive the liquid crystals; first and second alignment layers rubbed in a first direction and in a direction parallel with the first alignment layer, respectively; first polarizing plate arranged outside of the lower substrate, forming 45° angle with the first direction; and second polarizing plate outside of the upper substrate having a transmittance axis perpendicular to the first polarizing plate and forming 45° angle with the first direction. A gate signal is applied to drive a thin film transistor in each pixel, and data signals having two or more stairs type pulse signals are successively applied.

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: Disclosed is a conductive polarizer for a liquid crystal display device. The conductive polarizer comprises: an adhesive layer composed of acrylic materials and conductive materials, the adhesive layer being formed on a substrate; a lower supporting layer formed on the adhesive layer; a polarizer element formed on the lower supporting layer; and an upper supporting layer formed on the polarizer element. Therefore, the occurrence of inferior products, resulting from static electricity arising during attachment of the polarizer can be largely reduced. Furthermore, because the number of ionizers included with the attachment device for the polarizer can be decreased and substituted with other devices, a conductive polarizer of a liquid crystal display device can be produced at low cost.

Abstract: A liquid crystal display device with spacers integrally formed at a plastic substrate. The liquid crystal display device comprises: upper and lower substrates joined with liquid crystals interposed there-between, at least one substrate of which is made of plastic; a driving electrode for the liquid crystals formed at the lower substrate; polarizers attached at respective rear surfaces of the upper and lower substrates; and spacers interposed between the upper and lower substrates to maintain cell gaps, wherein the spacers are integrally formed at the substrate, and concurrently act as posts. Also, spacers can be integrally formed at either one of the lower plastic substrate and the upper plastic substrate, or the spacers can be integrally formed at both the lower plastic substrate and the upper plastic substrate, and the spacers have a height of “cell gap±a”, wherein the cell gap is 0.2 to 10 &mgr;m and “a” is not more than 1 &mgr;m.

Abstract: The present invention comprises an upper substrate; a data bus line and a storage capacitance bus line on a lower substrate; a gate bus line at the position of bisecting the unit pixel; a thin film transistor on the gate bus line; a counter electrode; and a pixel electrode. The pixel electrode comprises a frame shaped body unit formed on the edge in counter electrode and a plurality of slant slits arranged with a regular distance to divide the body unit into several parts, forming a predetermined angle with the gate bus line. The angle of slant slits in the pixel electrode is symmetric with respect to the gate bus line. The storage capacitance bus line is partially overlapped with both the upper edge of pixel electrode in one unit pixel and the lower edge of pixel electrode in the closest unit pixel. According to the present invention, the black matrix area is reduced by eliminating or minimizing the light leakage through modifying the pixel structure, thereby improving the aperture ration and transmittance.

Abstract: The present invention provides a Fringe Field Switching-Liquid Crystal Display comprising: an upper substrate and a lower substrate; a gate line and a data line for defining a unit pixel, a plurality of protrusion parts being respectively formed on an edge region of the gate line adjacent to a pixel electrode, each of protrusion parts of the gate line being positioned in a depression part formed between the protrusion parts of the pixel electrode; a counter electrode formed in the unit pixel; a common line for applying a common signal to the counter electrode; a pixel electrode forming an electric field with the counter electrode, a plurality of protrusion parts being formed on an edge region of the pixel electrode adjacent to the gate line, each of protrusion parts being positioned in a depression part formed between the protrusion parts of the gate line; and a liquid crystal filled between the upper substrate and the lower substrate.

Abstract: A circuit for generating a start pulse signal for a source driver IC in a TFT-LCD includes: a first latch unit for receiving a data enable signal and a reset signal, extracting a leading edge of the data enable signal in a leading edge of a main clock signal, and latching the data enable signal in a trailing edge thereof; a logic gate unit for receiving a complementary signal of the output signal from the first latch unit and the data enable signal, and generating a pulse signal in a leading edge of the data enable signal; and a second latch unit for receiving the output signal from the logic gate unit and the reset signal, outputting the output signal from the logic gate unit as a start pulse signal in the leading edge of the main clock signal, and latching the output signal from the logic gate unit in the trailing edge thereof.

Abstract: Disclosed is a field emission display device which can prevent mixing of colors between the phosphor elements of the field emission display device. In the field emission display device, an upper substrate and a lower substrate are spaced apart with a predetermined gap and opposed to each other. Cathode assemblies are formed in a shape of stripes on the lower substrate. Anodes are formed on the upper substrate, and black matrices are formed on the anodes. The black matrices are disposed at locations respectively corresponding to every space between the cathode assemblies, so as to respectively have a shape of a partition. R, G, and B phosphor elements are formed in spaces between the black matrices, so as to respectively correspond to the cathode assemblies.

Abstract: Disclosed is an in-plane switching(IPS) mode liquid crystal display(LCD) to prevent generating parasitic electric field due to residual DC components and static electricity. The IPS mode LCD according to the present invention comprises a first substrate; counter electrodes formed on the first substrate; pixel electrodes formed on the first substrate and spaced apart from the counter electrodes; a first high dielectric layer formed between the counter and pixel electrodes on the first substrate in which the counter and pixel electrodes are formed; a second substrate opposed to the first substrate; and a second high dielectric layer disposed at an inner surface of the second substrate.

Abstract: The present invention relates to a fringe field switching mode liquid crystal display, comprising: gate lines and data lines aligned on a transparent insulating substrate to vertically cross each other; common electrode lines aligned horizontally to the gate lines; a pixel region defined in a space formed by the gate lines and data lines; a first transparent electrode formed in the pixel region, and divided into at least two regions; and a second transparent electrode insulated from the first transparent electrode, and divided on the first transparent electrode as many as the first transparent electrode, a data voltage being applied to the second transparent electrode in a first region and to the first transparent electrode in a second region, a sum of the voltages applied to the pixel region having a zero voltage.

Abstract: Disclosed is a LCD comprising a substrate; a signal applying unit having a gate line and a common line on the substrate; and a display unit forming a plurality of pixels with a data line, a counter electrode, a pixel electrode, a TFT and the gate line and the common line extended from the signal applying unit, wherein the pixel electrode comprises a body unit and a branch unit, the body unit being parallel to the gate line and the branch unit comprising a plurality of branches being parallel to the data line, and pixel electrode of the outmost pixel that is the most adjacent to the signal applying unit has some of branches formed on the signal applying unit.

Abstract: Disclosed is a backlight system and a method for driving backlight capable of reducing noises and voltage fluctuations in power voltage due to a turn-on/turn-off of the lamp. The backlight system includes two lamps, a power supply unit for supplying alternating voltage or alternating current supplies power for driving the lamps to each lamp with a predetermined time lag or phase difference. With this feature of the present invention, the magnitude of noise and voltage fluctuations occurring in the power voltages supplied to the power supply unit may be significantly reduced. Thus, deterioration of display quality, flicker, etc., due to noise and voltage fluctuation can be prevented. Also, there is provided a backlight system which may produce a lamp driving signal with a constant frequency obtained by multiplying a frequency of vertical synchronization signal by an integer.

Abstract: Disclosed is a fringe field switching mode LCD comprising an upper and a lower substrates opposed to each other with a predetermined distance; a liquid crystal layer interposed between the substrates, comprising liquid crystal molecules of positive dielectric anisotropy; a transparent counter electrode formed on the inner surface of lower substrate; a transparent pixel electrode formed on the inner surface of the lower substrate, forming a fringe field with the counter electrode to drive most of liquid crystals; and a horizontal alignment layer interposed between the substrates and liquid crystal layer, having a predetermined rubbing axis, wherein a retardation of the liquid crystal layer is 0.3 to 0.45 &mgr;m.