Abstract: An array substrate for an in-plane switching mode liquid crystal display device includes a substrate, a gate line along a first direction on the substrate, a data line along a second direction and crossing the gate line to define a pixel region, a thin film transistor connected to the gate and data lines, a pixel electrode in the pixel region and connected to the thin film transistor, and a common electrode in the pixel region and arranged in an alternating pattern with the pixel electrode, wherein each of the pixel electrode and the common electrode includes a transparent conductive pattern, and one of the pixel electrode and the common electrode further includes an opaque conductive pattern having a more narrow width than the transparent conductive pattern.

Abstract: A key input apparatus and method includes a first key input unit, when any one of a plurality of keys of a first group is pressed, to output first data corresponding to the pressed key, a second key input unit, when any one of a plurality of keys of a second group is pressed, to output second data corresponding to the pressed key, and a key code generator to assign the first data and the second data to a certain row number and a certain column number, respectively, of a matrix and to generate a different key code corresponding to the row number and the column number of the matrix according to an order in which the first data and the second data are output, wherein the keys of the first group are different from the keys of the second group.

Abstract: A method and apparatus are provided for inspecting an electrical defectiveness of a liquid crystal display substrate. The method includes shorting ESD protection devices with a conductive shorting bar to form a current path on each of signal wirings of the substrate, supplying a current to the signal wirings, and determining a defectiveness of the signal wirings depending on the current flowing on the signal wirings.

Abstract: A timing error compensation system in an OFMD/CDMA communication system includes an analog-to-digital converter for converting an OFDM signal, comprised of a data symbol stream in which a pilot symbol is inserted at intervals of a prescribed number of data symbols, received from a transmitter, to a digital OFDM symbol stream by prescribed sampling synchronization, a guard interval remover for removing a guard interval inserted in the OFDM symbol by prescribed frame synchronization, and a fast Fourier transform (FFT) device for performing fast Fourier transform on the guard interval-removed OFDM symbol and outputting a data symbol stream. In the time error compensation system, a pilot symbol detector receives the data symbol stream and detects the pilot symbols inserted in the data symbol stream at prescribed intervals.

Abstract: A liquid crystal display device includes an upper substrate, a lower substrate, a liquid crystal layer between the upper and lower substrates, a transparent electrode consisting of at least two layers of transparent material provided on at least one of the upper and lower substrates and a spacer material jetted onto the transparent electrode by an ink-jet system, wherein the spacer material has a hydrostatic property different from one of the at least two layers of the transparent electrode.

Abstract: An array substrate for a liquid crystal display device includes a flexible substrate, a buffer layer on the flexible substrate, a thin film transistor including a gate electrode, a source electrode and a drain electrode on the buffer layer, and a pixel electrode on the thin film transistor.

Abstract: Disclosed herein are a semiconductor method and device which are capable of reducing data write errors by rewriting last write data during a write recovery time (tWR). The semiconductor device comprises a memory cell array consisting of a plurality of repetitive cell units; a bit line amplifier for amplifying a voltage difference between a bit line voltage and a complementary bit line voltage of the memory cell array; switching devices activated by a column selection line signal for electrically connecting a data line and a complementary data line to the bit line and the complementary bit line, respectively; and a write driver for supplying a write data voltage to the data line and the complementary data line, wherein the column selection line signal is generated during a write recovery time.

Abstract: A method and apparatus for testing a liquid crystal display device are provided to detect a defect location precisely and rapidly without requiring a jig. The method includes providing a substrate to inspect, wherein the substrate includes signal wirings, drive switches and capacitors formed in an effective display area of the substrate; radiating a light onto an inspection switch device and thereby supplying an inspection voltage from an inspection line to one of the drive switches through the signal wirings, so as to charge one of the capacitors; and determining if there is a defect in the effective display area of the substrate by reading the charged voltage of the capacitor.

Abstract: A method and apparatus tests a flat display device to inspect for shorts and open circuits in a signal wire by using a magnetic sensor. The inspection method and apparatus scans the magnetic sensor along signal wires in a scan direction crossing multiple signal wires and detects at least one of a short or an open circuit in the signal wires based on current detected by the magnetic sensor.

Abstract: A liquid crystal display device includes first and second substrates; a gate line and a data line on the first substrate to define a unit pixel having first and second sub-pixel regions; first and second switching devices in the first and second sub-pixel regions; a plurality of first and second common electrodes in the first and second sub-pixel regions; a plurality of first and second pixel electrodes in the first and second sub-pixel regions; a common line shared by the unit pixel and an adjacent unit pixel; and a liquid crystal layer between the first and second substrates.

Abstract: A liquid crystal display, and a fabricating method thereof, wherein pixel electrodes are highly accurately located relative to opaque elements, such as gate lines, data lines, or auxilarly lines, beneficially by using opaque elements as masking elements when exposing a photosensitive layer through a substrate. The angle of the irradiating light through the substrate can be changed to achieve a desired relative location. A pixel electrode can be located within 1 ?m of a data line. Image stain defects can be reduced.

Abstract: A method for patterning includes filling ink in a recess of a cliché corresponding to a position of a pattern which will be formed, transferring the ink onto a surface of a transfer roll by rotating the transfer roll while the transfer roll is contacted to the cliché, detecting variation of the substrate by calculating the area of the substrate on which the ink is transferred, calculating moving speed of the substrate on a basis of the detected variation, and re-transferring the ink on the surface of the transfer roll onto the substrate by rotating the transfer roll when the transfer roll is contacted to the substrate while moving the substrate at the calculated moving speed.

Abstract: Disclosed herein are a semiconductor method and device which are capable of reducing data write errors by rewriting last write data during a write recovery time (tWR). The semiconductor device comprises a memory cell array consisting of a plurality of repetitive cell units; a bit line amplifier for amplifying a voltage difference between a bit line voltage and a complementary bit line voltage of the memory cell array; switching devices activated by a column selection line signal for electrically connecting a data line and a complementary data line to the bit line and the complementary bit line, respectively; and a write driver for supplying a write data voltage to the data line and the complementary data line, wherein the column selection line signal is generated during a write recovery time.

Abstract: A liquid crystal display, and a fabricating method thereof, wherein pixel electrodes are highly accurately located relative to opaque elements, such as gate lines, data lines, or auxilarly lines, beneficially by using opaque elements as masking elements when exposing a photosensitive layer through a substrate. The angle of the irradiating light through the substrate can be changed to achieve a desired relative location. A pixel electrode can be located within 1 &mgr;m of a data line. Image stain defects can be reduced.

Abstract: A method and apparatus for testing a liquid crystal display device are provided to detect a defect location precisely and rapidly without requiring a jig. The method includes providing a substrate to inspect, wherein the substrate includes signal wirings, drive switches and capacitors formed in an effective display area of the substrate; radiating a light onto an inspection switch device and thereby supplying an inspection voltage from an inspection line to one of the drive switches through the signal wirings, so as to charge one of the capacitors; and determining if there is a defect in the effective display area of the substrate by reading the charged voltage of the capacitor.

Abstract: A method and apparatus are provided for inspecting an electrical defectiveness of a liquid crystal display substrate. The method includes shorting ESD protection devices with a conductive shorting bar to form a current path on each of signal wirings of the substrate, supplying a current to the signal wirings, and determining a defectiveness of the signal wirings depending on the current flowing on the signal wirings.

Abstract: A method and apparatus tests a flat display device to inspect for shorts and open circuits in a signal wire by using a magnetic sensor. The inspection method and apparatus scans the magnetic sensor along signal wires in a scan direction crossing multiple signal wires and detects at least one of a short or an open circuit in the signal wires based on current detected by the magnetic sensor.

Abstract: A novel method and apparatus inspects liquid crystal display. The method and apparatus for inspecting the flat display device scans at least one signal wire by using a magnetic sensor and detects a resistance change of the magnetic sensor to perceive a short in the signal wire. Pixels can be tested using an array of magnetic sensors configured such that each sensor in the array is smaller than the pixel.

Abstract: An electrostatic discharge protection circuit for liquid crystal displays. The liquid crystal display includes a plurality of crossing gate and data lines on a first substrate and a data shorting line and a gate shorting line. A plurality of first ESD protection units connect the gate shorting line to the gate lines, and a plurality of second ESD protection units connect the data shorting line to the data lines. Third ESD protection units connect the gate shorting line to the data shorting line. A common electrode is formed on a second substrate. A fourth ESD protection unit directly connects the common electrode to the data shorting line.

Abstract: A liquid crystal display, and a fabricating method thereof, wherein pixel electrodes are highly accurately located relative to opaque elements, such as gate lines, data lines, or auxilarly lines, beneficially by using opaque elements as masking elements when exposing a photosensitive layer through a substrate. The angle of the irradiating light through the substrate can be changed to achieve a desired relative location. A pixel electrode can be located within 1 &mgr;m of a data line. Image stain defects can be reduced.