Abstract: There are provided a liquid crystal display and a pre-charge driving method thereof. The liquid crystal display includes a liquid crystal panel; a gate driver; a data driver; a pre-charge driver that sequentially transfers pre-charge signals to each of data lines by data enable signals before data signals are transferred to each of the data lines; and a timing controller. The pre-charge driving method of a liquid crystal display comprises sequentially supplying scan signals to each of a plurality of gate lines; sequentially transferring pre-charge signals to each of a plurality of data lines by data enable signals; and sequentially transferring data signals to each of the data lines by the data enable signals after the pre-charge signals are transferred to each of the data lines.

Abstract: A shift register having a plurality of stages in which each of the stages includes: an input circuit part arranged to receive an input signal; an exclusive OR circuit arranged to generate a toggle signal by an exclusive OR operation on a non-inversion output and an inversion output of the input circuit part; and an output circuit part arranged to supply one of a clock signal and a feedback signal from an output terminal to the output terminal and an input terminal of the next stage in response to the toggle signal.

Abstract: An organic electro-luminescent display device according to an embodiment includes a light emitting device in a pixel to emit light in response to a current applied thereto; a data line for providing a data voltage in a write period and a ramp voltage in a display period; and a first switching device connected to the light emitting device, the first switching device being selectively turned on depending on a voltage difference between the ramp voltage and the data voltage so as to drive the light emitting device.

Abstract: A thin film transistor substrate of a poly-silicon liquid crystal display device and a simplified method of fabricating the same are disclosed. A liquid crystal display device according to the present invention includes a gate line and a data line connected to a thin film transistor; a gate pad connected to the gate line and a data pad connected to the data line, the data pad having the same cross-sectional structure as the gate pad; and a data link extended from the data pad and connected to the data line via a first contact hole, wherein the data line and the first contact hole are formed inside an area sealed by a sealant.

Abstract: A method for fabricating a liquid crystal display includes providing a first substrate having a pixel part and a driving circuit part, forming a gate electrode in the pixel part of the first substrate, forming a first insulation film, a first amorphous silicon thin film and a second amorphous silicon thin film on the first substrate, forming a first conductive film on the first substrate, having the first insulation film, the first amorphous silicon thin film, and the second amorphous silicon thin film, selectively patterning the first conductive film, the second amorphous silicon thin film and the first amorphous silicon thin film to form an active pattern in each of the pixel part and the driving circuit part of the first substrate and source and drain electrodes, crystallizing the first amorphous silicon thin film constituting the active pattern of the driving circuit part, forming a second insulation film on the first substrate, forming a pixel electrode in the pixel part and a gate electrode in the drivi

Abstract: A method for fabricating an LCD device including: providing first and second substrates; forming an active area having a source region, a drain region, and a channel region on the first substrate and a storage line having a first region and a second region; forming a first insulation film on the first substrate; forming a gate electrode and a gate line, and forming a pixel electrode overlapping with the first region of the storage line on the first substrate; forming a second insulation film on the first substrate; forming a contact hole exposing a portion of the source and drain regions by removing the first and second insulation films and exposing the pixel electrode by removing the second insulation film on the pixel electrode; and forming a source electrode electrically connected to the source region and a drain electrode electrically connected to the drain region through the contact hole.

Abstract: A method for fabricating an LCD device includes providing a substrate; forming an active pattern having a source region, a drain region and a channel region on the substrate; forming a first insulation film on the substrate; forming a gate electrode, a gate line and a pixel electrode on the substrate; forming a second insulation film on the substrate; forming a contact hole exposing a portion of the source and drain regions by removing a portion of the first and second insulation films; patterning the second insulation film on the pixel electrode at least a size corresponding to a form of the pixel electrode; and forming a source electrode electrically connected to the source region and a drain electrode electrically connected to the drain region through the contact hole.

Abstract: A method for fabricating an LCD device includes providing first and second substrates and has a contact hole exposing a portion of the source and drain regions formed by removing a portion of the first and second insulation layers and removing the second insulation layer of the upper portion of the pixel electrode. The method also includes forming a third conductive layer on the first substrate; forming source and drain electrodes electrically connected to the source and drain regions through the contact hole by patterning the third conductive layer and exposing the second conductive layer of the upper portion of the pixel electrode; and forming a liquid crystal layer between the first and second substrates.

Abstract: A driving apparatus of a liquid crystal display device includes a liquid crystal display panel display a video signal by use of a liquid crystal cell of a matrix shape. A plurality of data drive circuits generate a polarity pattern of the video signal in accordance with a polarity signal and supply the polarity pattern to the liquid crystal cell through a plurality of output channels. A polarity controller controls the polarity signal and supplies the polarity signal to the data drive circuits on the basis of a first selection signal corresponding to the number of the output channels of one drive circuit and a second selection signal corresponding to a repetition period of the polarity pattern.

Abstract: A driving apparatus of a liquid crystal display device according to an embodiment of the present invention includes a liquid crystal display panel having a liquid crystal cell of a matrix shape to display a video signal; N (where N is a positive integer) number of data drive circuits that generate a polarity pattern of the video signal and supply it to the liquid crystal cell through a plurality of output channels; and a polarity controller that controls the polarity signal and supplies it to the N number of the data drive circuits on the basis of a first selection signal corresponding to the number of the output channels and a second selection signal corresponding to a repetition period of the polarity pattern.

Abstract: The present invention relates to an electro-luminescence display and a driving method thereof wherein a thin film transistor is prevented from the deterioration, to thereby improve a picture quality. An electro-luminescence (EL) display, including: a plurality of drive voltage supply lines; N compensation voltage supply lines; EL cells at each crossing of a plurality of data lines and a plurality of gate lines in a matrix, wherein the EL cells emit light in response to currents applied from the drive voltage supply lines; driving thin film transistors (TFT) connected between the EL cells and compensation voltage supply lines that control the current applied to the EL cells; and a bias switch, connected between the N-1th compensation voltage supply line and a control terminal of the driving TFT connected to the Nth compensation voltage supply line that applies a bias voltage to the driving TFT when a scan pulse is supplied to the N-1th gate line.

Abstract: An analog buffer for buffering an input voltage to an output line is provided. The analog buffer includes a constant current source and a comparator. The constant current source supplies a constant current to the output line, and the comparator compares a voltage charged on the output line with the input voltage to turn-off the constant current source if it is determined that the voltage charged on the output line corresponding to the input voltage is buffered to the output line.