Abstract: A driving TFT for an organic light-emitting display device includes a gate electrode on a portion of a substrate, a gate insulation layer on an entire surface of the substrate including the gate electrode, a semiconductor layer on the gate insulation layer and covering the gate electrode, the semiconductor layer including an n-type impurity layer, and source and drain electrodes overlapping portions of the semiconductor layer at respective sides thereof.

Abstract: Disclosed is a liquid crystal display device to realize soft touch and sense touch regardless of illumination of external light or reflected light. The liquid crystal display device includes a liquid crystal panel including a first substrate and a second substrate facing each other, wherein a liquid crystal layer is interposed between the first substrate and the second substrate, an infrared sensor arranged on the first substrate, an infrared filter arranged corresponding to the infrared sensor arranged on the second substrate facing the first substrate, a first polarizing plate adhered to the back surface of the first substrate, a second polarizing plate adhered to the back surface of the second substrate, a light guiding plate arranged under the first polarizing plate, a first light source arranged on one side of the light guiding plate to emit white light, and a second light source arranged on the other side of the light guiding plate to emit infrared light to the light guiding plate.

Abstract: Disclosed is a liquid crystal display device which can sense a change of static capacitance of liquid crystals caused by a touch to detect the touch and a position of the touch, the liquid crystal display device includes, a pixel transistor on each of crossed portions of gate lines and data lines and a pixel electrode at each of the pixel regions, a liquid crystal capacitor between the pixel electrode and a common electrode, a storage line formed on the first substrate, a switching line formed in parallel to the gate line, a read out line parallel to the data line, a first storage capacitor between the storage line and the pixel transistor, a second storage capacitor and a sensing capacitor in series between the switching line and the common electrode, a switching transistor having a gate electrode connected to a contact point of the second storage capacitor and the sensing capacitor, and a drain electrode connected to the read out line.

Abstract: A touch panel embedded liquid crystal display device is disclosed. A touch panel embedded liquid crystal display device includes a first substrate having a plurality pixels defined in a matrix, a second substrate comprising first, second and third color filters to form a first, second and third color sub-pixels. A second substrate is opposed to the first substrate. A first photo-sensor is provided on the first substrate in a region corresponding to the first color sub-pixel and a second photo-sensor is provided on the first substrate in a region corresponding to the second or third color sub-pixel.

Abstract: A photo-sensing type touch panel embedded liquid crystal display device and a method for driving same are disclosed, where the device includes a liquid crystal panel includes a touch sensor provided in each of n pixels, where n is a Natural Number; a ROIC readout part which receives a readout voltage value from readout lines provided in the touch panel embedded liquid crystal panel; an ADC conversion part which converts an analog voltage value transmitted to the ROIC readout part into a digital value; a calculation part which calculates a calculated value by subtracting a corresponding value detected from the ADC conversion part when no-backlight is applied from a value detected from the ADC conversion part when a backlight is applied; and a position detection part for detecting a touch point on the photo-sensing type touch panel if the calculated value from the calculation part is beyond a predetermined value.

Abstract: The liquid crystal display device includes a first substrate and a second substrate, a gate line and a data line on the first substrate to define a pixel region, a pixel transistor formed at the intersection of the gate line and the data line, a pixel electrode formed in the pixel region, a first storage capacitor connected to the pixel electrode, a switching line formed on the first substrate, a read out line formed on the first substrate, a second storage capacitor formed on the first substrate, a switching transistor including a gate electrode connected to the second storage capacitor, a drain electrode connected to the read out line, and a source electrode connected to a driving voltage line, a first column spacer formed on the second substrate, and a common electrode formed on the first column spacer thereby forming a sensing capacitor.

Abstract: A driving TFT for an organic light-emitting display device includes a gate electrode on a portion of a substrate, a gate insulation layer on an entire surface of the substrate including the ate electrode, a semiconductor layer on the gate insulation layer and covering the gate electrode, the semiconductor layer including an n-type impurity layer, and source and drain electrodes overlapping portions of the semiconductor layer at respective sides thereof.

Abstract: The liquid crystal display device is for recognizing a variation in liquid crystal capacitance according to a touch to be capable of sensing whether or not the device is touched and the position of a touched region and includes a first substrate and a second substrate being opposite to each other; a plurality of gate lines and a plurality of data lines crossing each other on the first substrate to define pixel regions; pixel transistors respectively disposed at the intersections of the plurality of gate lines and the plurality of data lines, and pixel electrodes respectively disposed in the pixel regions; a common electrode disposed on the entire surface of the second substrate; a liquid crystal layer filling a gap between the first and second substrates; liquid crystal capacitors between the pixel electrodes and the common electrode; first storage capacitors disposed between the pixel electrodes and first storage electrodes on the first substrate; second storage capacitors and sensing capacitors in series be

Abstract: An array substrate for a liquid crystal display device includes a gate line and a gate electrode on a substrate, the gate electrode connected to the gate line; a gate insulating layer on the gate line and the gate electrode; an active layer of intrinsic amorphous silicon on the gate insulating layer and corresponding to the gate electrode; an ohmic contact layer of impurity-doped amorphous silicon on the active layer; a data line crossing the gate line; a source electrode on the ohmic contact layer and connected to the data line; a drain electrode on the ohmic contact layer and spaced apart from the source electrode; a passivation layer on the source and drain electrodes and including a drain contact hole exposing a portion of the drain electrode; and a pixel electrode on the passivation layer and connected to the drain electrode through the drain contact hole, wherein the ohmic contact layer covers the active layer in a space between the source and drain electrodes.

Abstract: A thin film transistor (TFT) for a liquid crystal display device includes a gate electrode, a source electrode, a drain electrode, an active region including a first semiconductor layer and a second semiconductor layer interposed within the first semiconductor layer, and an ohmic contact layer formed on the active region, wherein the source and drain electrodes are formed on the ohmic contact layer.

Abstract: A thin film transistor, a method for manufacturing the thin film transistor, and an organic electroluminescence display using the thin film transistor are disclosed. The thin film transistor includes a gate electrode, a semiconductor layer that overlaps the gate electrode, a first insulating layer disposed between the semiconductor layer and the gate electrode, and first and second electrodes that use the semiconductor layer as a channel, and are disposed at different layers. The thin film transistor further includes a second insulating layer disposed between the semiconductor layer and one of the first and second electrodes, and a first doping semiconductor layer disposed between the semiconductor layer and the other of the first and second electrodes.

Abstract: A method for manufacturing the LCD device includes forming a thin film transistor array having gate and data lines crossing to each other, defining pixel regions on a substrate, and thin film transistors arranged at crossings of the gate and data lines; forming a passivation layer over the entire surface of the substrate; forming a contact hole in the passivation layer exposing drain electrodes of each thin film transistor; forming an amorphous indium tin oxide film on the passivation layer; selectively crystallizing portions of the amorphous indium tin oxide film within the pixel regions by selectively irradiating light onto the amorphous indium tin oxide thin film; and forming a pixel electrode by selectively removing uncrystallized portions of the amorphous indium tin oxide thin film.

Abstract: A driving TFT for an organic light-emitting display device includes a gate electrode on a portion of a substrate, a gate insulation layer on an entire surface of the substrate including the ate electrode, a semiconductor layer on the gate insulation layer and covering the gate electrode, the semiconductor layer including an n-type impurity layer, and source and drain electrodes overlapping portions of the semiconductor layer at respective sides thereof.

Abstract: A liquid crystal display device is configured to improve display quality by minimizing flickers and residual images through inversion. The inversion may include changing the polarity of the data voltages. A first liquid crystal cell may be charged with a potential difference between a first data voltage supplied to a first pixel electrode and a second data voltage supplied to an adjacent second pixel.

Abstract: A thin film transistor, a method for manufacturing the thin film transistor, and an organic electroluminescence display using the thin film transistor are disclosed. The thin film transistor includes a gate electrode, a semiconductor layer that overlaps the gate electrode, a first insulating layer disposed between the semiconductor layer and the gate electrode, and first and second electrodes that use the semiconductor layer as a channel, and are disposed at different layers. The thin film transistor further includes a second insulating layer disposed between the semiconductor layer and one of the first and second electrodes, and a first doping semiconductor layer disposed between the semiconductor layer and the other of the first and second electrodes.

Abstract: A light-emitting diode includes a substrate, a buffer layer on the substrate, a first semiconductor layer on the buffer layer, a light-emitting layer on the first semiconductor layer, a second semiconductor layer on the light-emitting layer, wherein the first semiconductor layer is partially exposed through the second semiconductor layer and the light-emitting layer, a first electrode on the exposed first semiconductor layer, and a second electrode on the second semiconductor layer, the second electrode having a grid shape.

Abstract: Provided is a liquid crystal display panel, a liquid crystal display device having the same, and a driving method thereof capable of improving image quality. The liquid crystal display device includes a liquid crystal display panel; a gate driver; and a data driver. The liquid crystal display panel includes pixel regions arranged in a matrix, each being defined by a gate line and first and second data lines crossing the gate line. The gate driver supplies a scan signal to the gate line. The data driver alternately supplies a data voltage and a common voltage to the first and second data lines.

Abstract: An apparatus and method for driving a liquid crystal display device are disclosed in the present invention. The liquid crystal display device includes a plurality of data lines in a vertical direction, a plurality of gate lines in a horizontal direction to cross the data lines, and a plurality of liquid crystal cells along with each gate line, wherein one of the data lines applies a video signal to at least three liquid crystal cells.

Abstract: A method of fabricating liquid crystal display devices that includes plasma etching an insulation layer while simultaneously removing contaminates from the exposed surface of a substrate. Thinning of the substrate can then be performed by a subsequent etch process to form a highly planar substrate surface that can improve the picture quality of the completed LCD device.

Abstract: An apparatus and method for driving a liquid crystal display device are disclosed in the present invention. The liquid crystal display device includes a plurality of data lines in a vertical direction, a plurality of gate lines in a horizontal direction to cross the data lines, and a plurality of liquid crystal cells along with each gate line, wherein one of the data lines applies a video signal to at least three liquid crystal cells.